diff options
Diffstat (limited to 'drivers/staging/spectra')
| -rw-r--r-- | drivers/staging/spectra/Kconfig | 41 | ||||
| -rw-r--r-- | drivers/staging/spectra/Makefile | 11 | ||||
| -rw-r--r-- | drivers/staging/spectra/README | 29 | ||||
| -rw-r--r-- | drivers/staging/spectra/ffsdefs.h | 58 | ||||
| -rw-r--r-- | drivers/staging/spectra/ffsport.c | 834 | ||||
| -rw-r--r-- | drivers/staging/spectra/ffsport.h | 85 | ||||
| -rw-r--r-- | drivers/staging/spectra/flash.c | 4305 | ||||
| -rw-r--r-- | drivers/staging/spectra/flash.h | 198 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld.c | 339 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld.h | 111 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_cdma.c | 910 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_cdma.h | 123 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_emu.c | 776 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_emu.h | 51 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_mtd.c | 683 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_mtd.h | 51 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_nand.c | 2619 | ||||
| -rw-r--r-- | drivers/staging/spectra/lld_nand.h | 131 | ||||
| -rw-r--r-- | drivers/staging/spectra/nand_regs.h | 619 | ||||
| -rw-r--r-- | drivers/staging/spectra/spectraswconfig.h | 82 |
20 files changed, 0 insertions, 12056 deletions
diff --git a/drivers/staging/spectra/Kconfig b/drivers/staging/spectra/Kconfig deleted file mode 100644 index 4fc206484830..000000000000 --- a/drivers/staging/spectra/Kconfig +++ /dev/null @@ -1,41 +0,0 @@ - -menuconfig SPECTRA - tristate "Denali Spectra Flash Translation Layer" - depends on BLOCK - depends on X86_MRST - default n - ---help--- - Enable the FTL pseudo-filesystem used with the NAND Flash - controller on Intel Moorestown Platform to pretend to be a disk. - -choice - prompt "Compile for" - depends on SPECTRA - default SPECTRA_MRST_HW - -config SPECTRA_MRST_HW - bool "Moorestown hardware mode" - help - Driver communicates with the Moorestown hardware's register interface. - in DMA mode. - -config SPECTRA_MTD - bool "Linux MTD mode" - depends on MTD - help - Driver communicates with the kernel MTD subsystem instead of its own - built-in hardware driver. - -config SPECTRA_EMU - bool "RAM emulator testing" - help - Driver emulates Flash on a RAM buffer and / or disk file. Useful to test the behavior of FTL layer. - -endchoice - -config SPECTRA_MRST_HW_DMA - bool - default n - depends on SPECTRA_MRST_HW - help - Use DMA for native hardware interface. diff --git a/drivers/staging/spectra/Makefile b/drivers/staging/spectra/Makefile deleted file mode 100644 index f777dfba05a5..000000000000 --- a/drivers/staging/spectra/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# Makefile of Intel Moorestown NAND controller driver -# - -obj-$(CONFIG_SPECTRA) += spectra.o -spectra-y := ffsport.o flash.o lld.o -spectra-$(CONFIG_SPECTRA_MRST_HW) += lld_nand.o -spectra-$(CONFIG_SPECTRA_MRST_HW_DMA) += lld_cdma.o -spectra-$(CONFIG_SPECTRA_EMU) += lld_emu.o -spectra-$(CONFIG_SPECTRA_MTD) += lld_mtd.o - diff --git a/drivers/staging/spectra/README b/drivers/staging/spectra/README deleted file mode 100644 index ecba559b899c..000000000000 --- a/drivers/staging/spectra/README +++ /dev/null @@ -1,29 +0,0 @@ -This is a driver for NAND controller of Intel Moorestown platform. - -This driver is a standalone linux block device driver, it acts as if it's a normal hard disk. -It includes three layer: - block layer interface - file ffsport.c - Flash Translation Layer (FTL) - file flash.c (implement the NAND flash Translation Layer, includs address mapping, garbage collection, wear-leveling and so on) - Low level layer - file lld_nand.c/lld_cdma.c/lld_emu.c (which implements actual controller hardware registers access) - -This driver can be build as modules or build-in. - -Dependency: -This driver has dependency on IA Firmware of Intel Moorestown platform. -It need the IA Firmware to create the block table for the first time. -And to validate this driver code without IA Firmware, you can change the -macro AUTO_FORMAT_FLASH from 0 to 1 in file spectraswconfig.h. Thus the -driver will erase the whole nand flash and create a new block table. - -TODO: - - Enable Command DMA feature support - - lower the memory footprint - - Remove most of the unnecessary global variables - - Change all the upcase variable / functions name to lowercase - - Some other misc bugs - -Please send patches to: - Greg Kroah-Hartman <gregkh@suse.de> - -And Cc to: Gao Yunpeng <yunpeng.gao@intel.com> - diff --git a/drivers/staging/spectra/ffsdefs.h b/drivers/staging/spectra/ffsdefs.h deleted file mode 100644 index a9e9cd233d2a..000000000000 --- a/drivers/staging/spectra/ffsdefs.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef _FFSDEFS_ -#define _FFSDEFS_ - -#define CLEAR 0 /*use this to clear a field instead of "fail"*/ -#define SET 1 /*use this to set a field instead of "pass"*/ -#define FAIL 1 /*failed flag*/ -#define PASS 0 /*success flag*/ -#define ERR -1 /*error flag*/ - -#define ERASE_CMD 10 -#define WRITE_MAIN_CMD 11 -#define READ_MAIN_CMD 12 -#define WRITE_SPARE_CMD 13 -#define READ_SPARE_CMD 14 -#define WRITE_MAIN_SPARE_CMD 15 -#define READ_MAIN_SPARE_CMD 16 -#define MEMCOPY_CMD 17 -#define DUMMY_CMD 99 - -#define EVENT_PASS 0x00 -#define EVENT_CORRECTABLE_DATA_ERROR_FIXED 0x01 -#define EVENT_UNCORRECTABLE_DATA_ERROR 0x02 -#define EVENT_TIME_OUT 0x03 -#define EVENT_PROGRAM_FAILURE 0x04 -#define EVENT_ERASE_FAILURE 0x05 -#define EVENT_MEMCOPY_FAILURE 0x06 -#define EVENT_FAIL 0x07 - -#define EVENT_NONE 0x22 -#define EVENT_DMA_CMD_COMP 0x77 -#define EVENT_ECC_TRANSACTION_DONE 0x88 -#define EVENT_DMA_CMD_FAIL 0x99 - -#define CMD_PASS 0 -#define CMD_FAIL 1 -#define CMD_ABORT 2 -#define CMD_NOT_DONE 3 - -#endif /* _FFSDEFS_ */ diff --git a/drivers/staging/spectra/ffsport.c b/drivers/staging/spectra/ffsport.c deleted file mode 100644 index 86d556d6cf98..000000000000 --- a/drivers/staging/spectra/ffsport.c +++ /dev/null @@ -1,834 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include "ffsport.h" -#include "flash.h" -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/blkdev.h> -#include <linux/wait.h> -#include <linux/mutex.h> -#include <linux/kthread.h> -#include <linux/log2.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/async.h> - -/**** Helper functions used for Div, Remainder operation on u64 ****/ - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_Calc_Used_Bits -* Inputs: Power of 2 number -* Outputs: Number of Used Bits -* 0, if the argument is 0 -* Description: Calculate the number of bits used by a given power of 2 number -* Number can be up to 32 bit -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_Calc_Used_Bits(u32 n) -{ - int tot_bits = 0; - - if (n >= 1 << 16) { - n >>= 16; - tot_bits += 16; - } - - if (n >= 1 << 8) { - n >>= 8; - tot_bits += 8; - } - - if (n >= 1 << 4) { - n >>= 4; - tot_bits += 4; - } - - if (n >= 1 << 2) { - n >>= 2; - tot_bits += 2; - } - - if (n >= 1 << 1) - tot_bits += 1; - - return ((n == 0) ? (0) : tot_bits); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_u64_Div -* Inputs: Number of u64 -* A power of 2 number as Division -* Outputs: Quotient of the Divisor operation -* Description: It divides the address by divisor by using bit shift operation -* (essentially without explicitely using "/"). -* Divisor is a power of 2 number and Divided is of u64 -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u64 GLOB_u64_Div(u64 addr, u32 divisor) -{ - return (u64)(addr >> GLOB_Calc_Used_Bits(divisor)); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_u64_Remainder -* Inputs: Number of u64 -* Divisor Type (1 -PageAddress, 2- BlockAddress) -* Outputs: Remainder of the Division operation -* Description: It calculates the remainder of a number (of u64) by -* divisor(power of 2 number ) by using bit shifting and multiply -* operation(essentially without explicitely using "/"). -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u64 GLOB_u64_Remainder(u64 addr, u32 divisor_type) -{ - u64 result = 0; - - if (divisor_type == 1) { /* Remainder -- Page */ - result = (addr >> DeviceInfo.nBitsInPageDataSize); - result = result * DeviceInfo.wPageDataSize; - } else if (divisor_type == 2) { /* Remainder -- Block */ - result = (addr >> DeviceInfo.nBitsInBlockDataSize); - result = result * DeviceInfo.wBlockDataSize; - } - - result = addr - result; - - return result; -} - -#define NUM_DEVICES 1 -#define PARTITIONS 8 - -#define GLOB_SBD_NAME "nd" -#define GLOB_SBD_IRQ_NUM (29) - -#define GLOB_SBD_IOCTL_GC (0x7701) -#define GLOB_SBD_IOCTL_WL (0x7702) -#define GLOB_SBD_IOCTL_FORMAT (0x7703) -#define GLOB_SBD_IOCTL_ERASE_FLASH (0x7704) -#define GLOB_SBD_IOCTL_FLUSH_CACHE (0x7705) -#define GLOB_SBD_IOCTL_COPY_BLK_TABLE (0x7706) -#define GLOB_SBD_IOCTL_COPY_WEAR_LEVELING_TABLE (0x7707) -#define GLOB_SBD_IOCTL_GET_NAND_INFO (0x7708) -#define GLOB_SBD_IOCTL_WRITE_DATA (0x7709) -#define GLOB_SBD_IOCTL_READ_DATA (0x770A) - -static int reserved_mb = 0; -module_param(reserved_mb, int, 0); -MODULE_PARM_DESC(reserved_mb, "Reserved space for OS image, in MiB (default 25 MiB)"); - -int nand_debug_level; -module_param(nand_debug_level, int, 0644); -MODULE_PARM_DESC(nand_debug_level, "debug level value: 1-3"); - -MODULE_LICENSE("GPL"); - -struct spectra_nand_dev { - struct pci_dev *dev; - u64 size; - u16 users; - spinlock_t qlock; - void __iomem *ioaddr; /* Mapped address */ - struct request_queue *queue; - struct task_struct *thread; - struct gendisk *gd; - u8 *tmp_buf; -}; - - -static int GLOB_SBD_majornum; - -static char *GLOB_version = GLOB_VERSION; - -static struct spectra_nand_dev nand_device[NUM_DEVICES]; - -static struct mutex spectra_lock; - -static int res_blks_os = 1; - -struct spectra_indentfy_dev_tag IdentifyDeviceData; - -static int force_flush_cache(void) -{ - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (ERR == GLOB_FTL_Flush_Cache()) { - printk(KERN_ERR "Fail to Flush FTL Cache!\n"); - return -EFAULT; - } -#if CMD_DMA - if (glob_ftl_execute_cmds()) - return -EIO; - else - return 0; -#endif - return 0; -} - -struct ioctl_rw_page_info { - u8 *data; - unsigned int page; -}; - -static int ioctl_read_page_data(unsigned long arg) -{ - u8 *buf; - struct ioctl_rw_page_info info; - int result = PASS; - - if (copy_from_user(&info, (void __user *)arg, sizeof(info))) - return -EFAULT; - - buf = kmalloc(IdentifyDeviceData.PageDataSize, GFP_ATOMIC); - if (!buf) { - printk(KERN_ERR "ioctl_read_page_data: " - "failed to allocate memory\n"); - return -ENOMEM; - } - - mutex_lock(&spectra_lock); - result = GLOB_FTL_Page_Read(buf, - (u64)info.page * IdentifyDeviceData.PageDataSize); - mutex_unlock(&spectra_lock); - - if (copy_to_user((void __user *)info.data, buf, - IdentifyDeviceData.PageDataSize)) { - printk(KERN_ERR "ioctl_read_page_data: " - "failed to copy user data\n"); - kfree(buf); - return -EFAULT; - } - - kfree(buf); - return result; -} - -static int ioctl_write_page_data(unsigned long arg) -{ - u8 *buf; - struct ioctl_rw_page_info info; - int result = PASS; - - if (copy_from_user(&info, (void __user *)arg, sizeof(info))) - return -EFAULT; - - buf = memdup_user((void __user *)info.data, - IdentifyDeviceData.PageDataSize); - if (IS_ERR(buf)) { - printk(KERN_ERR "ioctl_write_page_data: " - "failed to copy user data\n"); - return PTR_ERR(buf); - } - - mutex_lock(&spectra_lock); - result = GLOB_FTL_Page_Write(buf, - (u64)info.page * IdentifyDeviceData.PageDataSize); - mutex_unlock(&spectra_lock); - - kfree(buf); - return result; -} - -/* Return how many blocks should be reserved for bad block replacement */ -static int get_res_blk_num_bad_blk(void) -{ - return IdentifyDeviceData.wDataBlockNum / 10; -} - -/* Return how many blocks should be reserved for OS image */ -static int get_res_blk_num_os(void) -{ - u32 res_blks, blk_size; - - blk_size = IdentifyDeviceData.PageDataSize * - IdentifyDeviceData.PagesPerBlock; - - res_blks = (reserved_mb * 1024 * 1024) / blk_size; - - if ((res_blks < 1) || (res_blks >= IdentifyDeviceData.wDataBlockNum)) - res_blks = 1; /* Reserved 1 block for block table */ - - return res_blks; -} - -/* Transfer a full request. */ -static int do_transfer(struct spectra_nand_dev *tr, struct request *req) -{ - u64 start_addr, addr; - u32 logical_start_sect, hd_start_sect; - u32 nsect, hd_sects; - u32 rsect, tsect = 0; - char *buf; - u32 ratio = IdentifyDeviceData.PageDataSize >> 9; - - start_addr = (u64)(blk_rq_pos(req)) << 9; - /* Add a big enough offset to prevent the OS Image from - * being accessed or damaged by file system */ - start_addr += IdentifyDeviceData.PageDataSize * - IdentifyDeviceData.PagesPerBlock * - res_blks_os; - - if (req->cmd_type & REQ_FLUSH) { - if (force_flush_cache()) /* Fail to flush cache */ - return -EIO; - else - return 0; - } - - if (req->cmd_type != REQ_TYPE_FS) - return -EIO; - - if (blk_rq_pos(req) + blk_rq_cur_sectors(req) > get_capacity(tr->gd)) { - printk(KERN_ERR "Spectra error: request over the NAND " - "capacity!sector %d, current_nr_sectors %d, " - "while capacity is %d\n", - (int)blk_rq_pos(req), - blk_rq_cur_sectors(req), - (int)get_capacity(tr->gd)); - return -EIO; - } - - logical_start_sect = start_addr >> 9; - hd_start_sect = logical_start_sect / ratio; - rsect = logical_start_sect - hd_start_sect * ratio; - - addr = (u64)hd_start_sect * ratio * 512; - buf = req->buffer; - nsect = blk_rq_cur_sectors(req); - - if (rsect) - tsect = (ratio - rsect) < nsect ? (ratio - rsect) : nsect; - - switch (rq_data_dir(req)) { - case READ: - /* Read the first NAND page */ - if (rsect) { - if (GLOB_FTL_Page_Read(tr->tmp_buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - memcpy(buf, tr->tmp_buf + (rsect << 9), tsect << 9); - addr += IdentifyDeviceData.PageDataSize; - buf += tsect << 9; - nsect -= tsect; - } - - /* Read the other NAND pages */ - for (hd_sects = nsect / ratio; hd_sects > 0; hd_sects--) { - if (GLOB_FTL_Page_Read(buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - addr += IdentifyDeviceData.PageDataSize; - buf += IdentifyDeviceData.PageDataSize; - } - - /* Read the last NAND pages */ - if (nsect % ratio) { - if (GLOB_FTL_Page_Read(tr->tmp_buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - memcpy(buf, tr->tmp_buf, (nsect % ratio) << 9); - } -#if CMD_DMA - if (glob_ftl_execute_cmds()) - return -EIO; - else - return 0; -#endif - return 0; - - case WRITE: - /* Write the first NAND page */ - if (rsect) { - if (GLOB_FTL_Page_Read(tr->tmp_buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - memcpy(tr->tmp_buf + (rsect << 9), buf, tsect << 9); - if (GLOB_FTL_Page_Write(tr->tmp_buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - addr += IdentifyDeviceData.PageDataSize; - buf += tsect << 9; - nsect -= tsect; - } - - /* Write the other NAND pages */ - for (hd_sects = nsect / ratio; hd_sects > 0; hd_sects--) { - if (GLOB_FTL_Page_Write(buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - addr += IdentifyDeviceData.PageDataSize; - buf += IdentifyDeviceData.PageDataSize; - } - - /* Write the last NAND pages */ - if (nsect % ratio) { - if (GLOB_FTL_Page_Read(tr->tmp_buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - memcpy(tr->tmp_buf, buf, (nsect % ratio) << 9); - if (GLOB_FTL_Page_Write(tr->tmp_buf, addr)) { - printk(KERN_ERR "Error in %s, Line %d\n", - __FILE__, __LINE__); - return -EIO; - } - } -#if CMD_DMA - if (glob_ftl_execute_cmds()) - return -EIO; - else - return 0; -#endif - return 0; - - default: - printk(KERN_NOTICE "Unknown request %u\n", rq_data_dir(req)); - return -EIO; - } -} - -/* This function is copied from drivers/mtd/mtd_blkdevs.c */ -static int spectra_trans_thread(void *arg) -{ - struct spectra_nand_dev *tr = arg; - struct request_queue *rq = tr->queue; - struct request *req = NULL; - - /* we might get involved when memory gets low, so use PF_MEMALLOC */ - current->flags |= PF_MEMALLOC; - - spin_lock_irq(rq->queue_lock); - while (!kthread_should_stop()) { - int res; - - if (!req) { - req = blk_fetch_request(rq); - if (!req) { - set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irq(rq->queue_lock); - schedule(); - spin_lock_irq(rq->queue_lock); - continue; - } - } - - spin_unlock_irq(rq->queue_lock); - - mutex_lock(&spectra_lock); - res = do_transfer(tr, req); - mutex_unlock(&spectra_lock); - - spin_lock_irq(rq->queue_lock); - - if (!__blk_end_request_cur(req, res)) - req = NULL; - } - - if (req) - __blk_end_request_all(req, -EIO); - - spin_unlock_irq(rq->queue_lock); - - return 0; -} - - -/* Request function that "handles clustering". */ -static void GLOB_SBD_request(struct request_queue *rq) -{ - struct spectra_nand_dev *pdev = rq->queuedata; - wake_up_process(pdev->thread); -} - -static int GLOB_SBD_open(struct block_device *bdev, fmode_t mode) - -{ - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - return 0; -} - -static int GLOB_SBD_release(struct gendisk *disk, fmode_t mode) -{ - int ret; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - mutex_lock(&spectra_lock); - ret = force_flush_cache(); - mutex_unlock(&spectra_lock); - - return 0; -} - -static int GLOB_SBD_getgeo(struct block_device *bdev, struct hd_geometry *geo) -{ - geo->heads = 4; - geo->sectors = 16; - geo->cylinders = get_capacity(bdev->bd_disk) / (4 * 16); - - nand_dbg_print(NAND_DBG_DEBUG, - "heads: %d, sectors: %d, cylinders: %d\n", - geo->heads, geo->sectors, geo->cylinders); - - return 0; -} - -int GLOB_SBD_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) -{ - int ret; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - switch (cmd) { - case GLOB_SBD_IOCTL_GC: - nand_dbg_print(NAND_DBG_DEBUG, - "Spectra IOCTL: Garbage Collection " - "being performed\n"); - if (PASS != GLOB_FTL_Garbage_Collection()) - return -EFAULT; - return 0; - - case GLOB_SBD_IOCTL_WL: - nand_dbg_print(NAND_DBG_DEBUG, - "Spectra IOCTL: Static Wear Leveling " - "being performed\n"); - if (PASS != GLOB_FTL_Wear_Leveling()) - return -EFAULT; - return 0; - - case GLOB_SBD_IOCTL_FORMAT: - nand_dbg_print(NAND_DBG_DEBUG, "Spectra IOCTL: Flash format " - "being performed\n"); - if (PASS != GLOB_FTL_Flash_Format()) - return -EFAULT; - return 0; - - case GLOB_SBD_IOCTL_FLUSH_CACHE: - nand_dbg_print(NAND_DBG_DEBUG, "Spectra IOCTL: Cache flush " - "being performed\n"); - mutex_lock(&spectra_lock); - ret = force_flush_cache(); - mutex_unlock(&spectra_lock); - return ret; - - case GLOB_SBD_IOCTL_COPY_BLK_TABLE: - nand_dbg_print(NAND_DBG_DEBUG, "Spectra IOCTL: " - "Copy block table\n"); - if (copy_to_user((void __user *)arg, - get_blk_table_start_addr(), - get_blk_table_len())) - return -EFAULT; - return 0; - - case GLOB_SBD_IOCTL_COPY_WEAR_LEVELING_TABLE: - nand_dbg_print(NAND_DBG_DEBUG, "Spectra IOCTL: " - "Copy wear leveling table\n"); - if (copy_to_user((void __user *)arg, - get_wear_leveling_table_start_addr(), - get_wear_leveling_table_len())) - return -EFAULT; - return 0; - - case GLOB_SBD_IOCTL_GET_NAND_INFO: - nand_dbg_print(NAND_DBG_DEBUG, "Spectra IOCTL: " - "Get NAND info\n"); - if (copy_to_user((void __user *)arg, &IdentifyDeviceData, - sizeof(IdentifyDeviceData))) - return -EFAULT; - return 0; - - case GLOB_SBD_IOCTL_WRITE_DATA: - nand_dbg_print(NAND_DBG_DEBUG, "Spectra IOCTL: " - "Write one page data\n"); - return ioctl_write_page_data(arg); - - case GLOB_SBD_IOCTL_READ_DATA: - nand_dbg_print(NAND_DBG_DEBUG, "Spectra IOCTL: " - "Read one page data\n"); - return ioctl_read_page_data(arg); - } - - return -ENOTTY; -} - -static DEFINE_MUTEX(ffsport_mutex); - -int GLOB_SBD_unlocked_ioctl(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) -{ - int ret; - - mutex_lock(&ffsport_mutex); - ret = GLOB_SBD_ioctl(bdev, mode, cmd, arg); - mutex_unlock(&ffsport_mutex); - - return ret; -} - -static struct block_device_operations GLOB_SBD_ops = { - .owner = THIS_MODULE, - .open = GLOB_SBD_open, - .release = GLOB_SBD_release, - .ioctl = GLOB_SBD_unlocked_ioctl, - .getgeo = GLOB_SBD_getgeo, -}; - -static int SBD_setup_device(struct spectra_nand_dev *dev, int which) -{ - int res_blks; - u32 sects; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - memset(dev, 0, sizeof(struct spectra_nand_dev)); - - nand_dbg_print(NAND_DBG_WARN, "Reserved %d blocks " - "for OS image, %d blocks for bad block replacement.\n", - get_res_blk_num_os(), - get_res_blk_num_bad_blk()); - - res_blks = get_res_blk_num_bad_blk() + get_res_blk_num_os(); - - dev->size = (u64)IdentifyDeviceData.PageDataSize * - IdentifyDeviceData.PagesPerBlock * - (IdentifyDeviceData.wDataBlockNum - res_blks); - - res_blks_os = get_res_blk_num_os(); - - spin_lock_init(&dev->qlock); - - dev->tmp_buf = kmalloc(IdentifyDeviceData.PageDataSize, GFP_ATOMIC); - if (!dev->tmp_buf) { - printk(KERN_ERR "Failed to kmalloc memory in %s Line %d, exit.\n", - __FILE__, __LINE__); - goto out_vfree; - } - - dev->queue = blk_init_queue(GLOB_SBD_request, &dev->qlock); - if (dev->queue == NULL) { - printk(KERN_ERR - "Spectra: Request queue could not be initialized." - " Aborting\n "); - goto out_vfree; - } - dev->queue->queuedata = dev; - - /* As Linux block layer doesn't support >4KB hardware sector, */ - /* Here we force report 512 byte hardware sector size to Kernel */ - blk_queue_logical_block_size(dev->queue, 512); - - blk_queue_flush(dev->queue, REQ_FLUSH); - - dev->thread = kthread_run(spectra_trans_thread, dev, "nand_thd"); - if (IS_ERR(dev->thread)) { - blk_cleanup_queue(dev->queue); - unregister_blkdev(GLOB_SBD_majornum, GLOB_SBD_NAME); - return PTR_ERR(dev->thread); - } - - dev->gd = alloc_disk(PARTITIONS); - if (!dev->gd) { - printk(KERN_ERR - "Spectra: Could not allocate disk. Aborting \n "); - goto out_vfree; - } - dev->gd->major = GLOB_SBD_majornum; - dev->gd->first_minor = which * PARTITIONS; - dev->gd->fops = &GLOB_SBD_ops; - dev->gd->queue = dev->queue; - dev->gd->private_data = dev; - snprintf(dev->gd->disk_name, 32, "%s%c", GLOB_SBD_NAME, which + 'a'); - - sects = dev->size >> 9; - nand_dbg_print(NAND_DBG_WARN, "Capacity sects: %d\n", sects); - set_capacity(dev->gd, sects); - - add_disk(dev->gd); - - return 0; -out_vfree: - return -ENOMEM; -} - -/* -static ssize_t show_nand_block_num(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", - (int)IdentifyDeviceData.wDataBlockNum); -} - -static ssize_t show_nand_pages_per_block(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", - (int)IdentifyDeviceData.PagesPerBlock); -} - -static ssize_t show_nand_page_size(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", - (int)IdentifyDeviceData.PageDataSize); -} - -static DEVICE_ATTR(nand_block_num, 0444, show_nand_block_num, NULL); -static DEVICE_ATTR(nand_pages_per_block, 0444, show_nand_pages_per_block, NULL); -static DEVICE_ATTR(nand_page_size, 0444, show_nand_page_size, NULL); - -static void create_sysfs_entry(struct device *dev) -{ - if (device_create_file(dev, &dev_attr_nand_block_num)) - printk(KERN_ERR "Spectra: " - "failed to create sysfs entry nand_block_num.\n"); - if (device_create_file(dev, &dev_attr_nand_pages_per_block)) - printk(KERN_ERR "Spectra: " - "failed to create sysfs entry nand_pages_per_block.\n"); - if (device_create_file(dev, &dev_attr_nand_page_size)) - printk(KERN_ERR "Spectra: " - "failed to create sysfs entry nand_page_size.\n"); -} -*/ - -static void register_spectra_ftl_async(void *unused, async_cookie_t cookie) -{ - int i; - - /* create_sysfs_entry(&dev->dev); */ - - if (PASS != GLOB_FTL_IdentifyDevice(&IdentifyDeviceData)) { - printk(KERN_ERR "Spectra: Unable to Read Flash Device. " - "Aborting\n"); - return; - } else { - nand_dbg_print(NAND_DBG_WARN, "In GLOB_SBD_init: " - "Num blocks=%d, pagesperblock=%d, " - "pagedatasize=%d, ECCBytesPerSector=%d\n", - (int)IdentifyDeviceData.NumBlocks, - (int)IdentifyDeviceData.PagesPerBlock, - (int)IdentifyDeviceData.PageDataSize, - (int)IdentifyDeviceData.wECCBytesPerSector); - } - - printk(KERN_ALERT "Spectra: searching block table, please wait ...\n"); - if (GLOB_FTL_Init() != PASS) { - printk(KERN_ERR "Spectra: Unable to Initialize FTL Layer. " - "Aborting\n"); - goto out_ftl_flash_register; - } - printk(KERN_ALERT "Spectra: block table has been found.\n"); - - GLOB_SBD_majornum = register_blkdev(0, GLOB_SBD_NAME); - if (GLOB_SBD_majornum <= 0) { - printk(KERN_ERR "Unable to get the major %d for Spectra", - GLOB_SBD_majornum); - goto out_ftl_flash_register; - } - - for (i = 0; i < NUM_DEVICES; i++) - if (SBD_setup_device(&nand_device[i], i) == -ENOMEM) - goto out_blk_register; - - nand_dbg_print(NAND_DBG_DEBUG, - "Spectra: module loaded with major number %d\n", - GLOB_SBD_majornum); - - return; - -out_blk_register: - unregister_blkdev(GLOB_SBD_majornum, GLOB_SBD_NAME); -out_ftl_flash_register: - GLOB_FTL_Cache_Release(); - printk(KERN_ERR "Spectra: Module load failed.\n"); -} - -int register_spectra_ftl() -{ - async_schedule(register_spectra_ftl_async, NULL); - return 0; -} -EXPORT_SYMBOL_GPL(register_spectra_ftl); - -static int GLOB_SBD_init(void) -{ - /* Set debug output level (0~3) here. 3 is most verbose */ - printk(KERN_ALERT "Spectra: %s\n", GLOB_version); - - mutex_init(&spectra_lock); - - if (PASS != GLOB_FTL_Flash_Init()) { - printk(KERN_ERR "Spectra: Unable to Initialize Flash Device. " - "Aborting\n"); - return -ENODEV; - } - return 0; -} - -static void __exit GLOB_SBD_exit(void) -{ - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < NUM_DEVICES; i++) { - struct spectra_nand_dev *dev = &nand_device[i]; - if (dev->gd) { - del_gendisk(dev->gd); - put_disk(dev->gd); - } - if (dev->queue) - blk_cleanup_queue(dev->queue); - kfree(dev->tmp_buf); - } - - unregister_blkdev(GLOB_SBD_majornum, GLOB_SBD_NAME); - - mutex_lock(&spectra_lock); - force_flush_cache(); - mutex_unlock(&spectra_lock); - - GLOB_FTL_Cache_Release(); - - GLOB_FTL_Flash_Release(); - - nand_dbg_print(NAND_DBG_DEBUG, - "Spectra FTL module (major number %d) unloaded.\n", - GLOB_SBD_majornum); -} - -module_init(GLOB_SBD_init); -module_exit(GLOB_SBD_exit); diff --git a/drivers/staging/spectra/ffsport.h b/drivers/staging/spectra/ffsport.h deleted file mode 100644 index 85c0750612f6..000000000000 --- a/drivers/staging/spectra/ffsport.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef _FFSPORT_ -#define _FFSPORT_ - -#include "ffsdefs.h" - -#if defined __GNUC__ -#define PACKED -#define PACKED_GNU __attribute__ ((packed)) -#define UNALIGNED -#endif - -#include <linux/semaphore.h> -#include <linux/string.h> /* for strcpy(), stricmp(), etc */ -#include <linux/mm.h> /* for kmalloc(), kfree() */ -#include <linux/vmalloc.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> - -#include <linux/kernel.h> /* printk() */ -#include <linux/fs.h> /* everything... */ -#include <linux/errno.h> /* error codes */ -#include <linux/types.h> /* size_t */ -#include <linux/genhd.h> -#include <linux/blkdev.h> -#include <linux/hdreg.h> -#include <linux/pci.h> -#include "flash.h" - -#define VERBOSE 1 - -#define NAND_DBG_WARN 1 -#define NAND_DBG_DEBUG 2 -#define NAND_DBG_TRACE 3 - -extern int nand_debug_level; - -#ifdef VERBOSE -#define nand_dbg_print(level, args...) \ - do { \ - if (level <= nand_debug_level) \ - printk(KERN_ALERT args); \ - } while (0) -#else -#define nand_dbg_print(level, args...) -#endif - -#ifdef SUPPORT_BIG_ENDIAN -#define INVERTUINT16(w) ((u16)(((u16)(w)) << 8) | \ - (u16)((u16)(w) >> 8)) - -#define INVERTUINT32(dw) (((u32)(dw) << 24) | \ - (((u32)(dw) << 8) & 0x00ff0000) | \ - (((u32)(dw) >> 8) & 0x0000ff00) | \ - ((u32)(dw) >> 24)) -#else -#define INVERTUINT16(w) w -#define INVERTUINT32(dw) dw -#endif - -extern int GLOB_Calc_Used_Bits(u32 n); -extern u64 GLOB_u64_Div(u64 addr, u32 divisor); -extern u64 GLOB_u64_Remainder(u64 addr, u32 divisor_type); -extern int register_spectra_ftl(void); - -#endif /* _FFSPORT_ */ diff --git a/drivers/staging/spectra/flash.c b/drivers/staging/spectra/flash.c deleted file mode 100644 index aead358e5c2a..000000000000 --- a/drivers/staging/spectra/flash.c +++ /dev/null @@ -1,4305 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include <linux/fs.h> -#include <linux/slab.h> - -#include "flash.h" -#include "ffsdefs.h" -#include "lld.h" -#include "lld_nand.h" -#if CMD_DMA -#include "lld_cdma.h" -#endif - -#define BLK_FROM_ADDR(addr) ((u32)(addr >> DeviceInfo.nBitsInBlockDataSize)) -#define PAGE_FROM_ADDR(addr, Block) ((u16)((addr - (u64)Block * \ - DeviceInfo.wBlockDataSize) >> DeviceInfo.nBitsInPageDataSize)) - -#define IS_SPARE_BLOCK(blk) (BAD_BLOCK != (pbt[blk] &\ - BAD_BLOCK) && SPARE_BLOCK == (pbt[blk] & SPARE_BLOCK)) - -#define IS_DATA_BLOCK(blk) (0 == (pbt[blk] & BAD_BLOCK)) - -#define IS_DISCARDED_BLOCK(blk) (BAD_BLOCK != (pbt[blk] &\ - BAD_BLOCK) && DISCARD_BLOCK == (pbt[blk] & DISCARD_BLOCK)) - -#define IS_BAD_BLOCK(blk) (BAD_BLOCK == (pbt[blk] & BAD_BLOCK)) - -#if DEBUG_BNDRY -void debug_boundary_lineno_error(int chnl, int limit, int no, - int lineno, char *filename) -{ - if (chnl >= limit) - printk(KERN_ERR "Boundary Check Fail value %d >= limit %d, " - "at %s:%d. Other info:%d. Aborting...\n", - chnl, limit, filename, lineno, no); -} -/* static int globalmemsize; */ -#endif - -static u16 FTL_Cache_If_Hit(u64 dwPageAddr); -static int FTL_Cache_Read(u64 dwPageAddr); -static void FTL_Cache_Read_Page(u8 *pData, u64 dwPageAddr, - u16 cache_blk); -static void FTL_Cache_Write_Page(u8 *pData, u64 dwPageAddr, - u8 cache_blk, u16 flag); -static int FTL_Cache_Write(void); -static void FTL_Calculate_LRU(void); -static u32 FTL_Get_Block_Index(u32 wBlockNum); - -static int FTL_Search_Block_Table_IN_Block(u32 BT_Block, - u8 BT_Tag, u16 *Page); -static int FTL_Read_Block_Table(void); -static int FTL_Write_Block_Table(int wForce); -static int FTL_Write_Block_Table_Data(void); -static int FTL_Check_Block_Table(int wOldTable); -static int FTL_Static_Wear_Leveling(void); -static u32 FTL_Replace_Block_Table(void); -static int FTL_Write_IN_Progress_Block_Table_Page(void); - -static u32 FTL_Get_Page_Num(u64 length); -static u64 FTL_Get_Physical_Block_Addr(u64 blk_addr); - -static u32 FTL_Replace_OneBlock(u32 wBlockNum, - u32 wReplaceNum); -static u32 FTL_Replace_LWBlock(u32 wBlockNum, - int *pGarbageCollect); -static u32 FTL_Replace_MWBlock(void); -static int FTL_Replace_Block(u64 blk_addr); -static int FTL_Adjust_Relative_Erase_Count(u32 Index_of_MAX); - -struct device_info_tag DeviceInfo; -struct flash_cache_tag Cache; -static struct spectra_l2_cache_info cache_l2; - -static u8 *cache_l2_page_buf; -static u8 *cache_l2_blk_buf; - -u8 *g_pBlockTable; -u8 *g_pWearCounter; -u16 *g_pReadCounter; -u32 *g_pBTBlocks; -static u16 g_wBlockTableOffset; -static u32 g_wBlockTableIndex; -static u8 g_cBlockTableStatus; - -static u8 *g_pTempBuf; -static u8 *flag_check_blk_table; -static u8 *tmp_buf_search_bt_in_block; -static u8 *spare_buf_search_bt_in_block; -static u8 *spare_buf_bt_search_bt_in_block; -static u8 *tmp_buf1_read_blk_table; -static u8 *tmp_buf2_read_blk_table; -static u8 *flags_static_wear_leveling; -static u8 *tmp_buf_write_blk_table_data; -static u8 *tmp_buf_read_disturbance; - -u8 *buf_read_page_main_spare; -u8 *buf_write_page_main_spare; -u8 *buf_read_page_spare; -u8 *buf_get_bad_block; - -#if (RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE && CMD_DMA) -struct flash_cache_delta_list_tag int_cache[MAX_CHANS + MAX_DESCS]; -struct flash_cache_tag cache_start_copy; -#endif - -int g_wNumFreeBlocks; -u8 g_SBDCmdIndex; - -static u8 *g_pIPF; -static u8 bt_flag = FIRST_BT_ID; -static u8 bt_block_changed; - -static u16 cache_block_to_write; -static u8 last_erased = FIRST_BT_ID; - -static u8 GC_Called; -static u8 BT_GC_Called; - -#if CMD_DMA -#define COPY_BACK_BUF_NUM 10 - -static u8 ftl_cmd_cnt; /* Init value is 0 */ -u8 *g_pBTDelta; -u8 *g_pBTDelta_Free; -u8 *g_pBTStartingCopy; -u8 *g_pWearCounterCopy; -u16 *g_pReadCounterCopy; -u8 *g_pBlockTableCopies; -u8 *g_pNextBlockTable; -static u8 *cp_back_buf_copies[COPY_BACK_BUF_NUM]; -static int cp_back_buf_idx; - -static u8 *g_temp_buf; - -#pragma pack(push, 1) -#pragma pack(1) -struct BTableChangesDelta { - u8 ftl_cmd_cnt; - u8 ValidFields; - u16 g_wBlockTableOffset; - u32 g_wBlockTableIndex; - u32 BT_Index; - u32 BT_Entry_Value; - u32 WC_Index; - u8 WC_Entry_Value; - u32 RC_Index; - u16 RC_Entry_Value; -}; - -#pragma pack(pop) - -struct BTableChangesDelta *p_BTableChangesDelta; -#endif - - -#define MARK_BLOCK_AS_BAD(blocknode) (blocknode |= BAD_BLOCK) -#define MARK_BLK_AS_DISCARD(blk) (blk = (blk & ~SPARE_BLOCK) | DISCARD_BLOCK) - -#define FTL_Get_LBAPBA_Table_Mem_Size_Bytes() (DeviceInfo.wDataBlockNum *\ - sizeof(u32)) -#define FTL_Get_WearCounter_Table_Mem_Size_Bytes() (DeviceInfo.wDataBlockNum *\ - sizeof(u8)) -#define FTL_Get_ReadCounter_Table_Mem_Size_Bytes() (DeviceInfo.wDataBlockNum *\ - sizeof(u16)) -#if SUPPORT_LARGE_BLOCKNUM -#define FTL_Get_LBAPBA_Table_Flash_Size_Bytes() (DeviceInfo.wDataBlockNum *\ - sizeof(u8) * 3) -#else -#define FTL_Get_LBAPBA_Table_Flash_Size_Bytes() (DeviceInfo.wDataBlockNum *\ - sizeof(u16)) -#endif -#define FTL_Get_WearCounter_Table_Flash_Size_Bytes \ - FTL_Get_WearCounter_Table_Mem_Size_Bytes -#define FTL_Get_ReadCounter_Table_Flash_Size_Bytes \ - FTL_Get_ReadCounter_Table_Mem_Size_Bytes - -static u32 FTL_Get_Block_Table_Flash_Size_Bytes(void) -{ - u32 byte_num; - - if (DeviceInfo.MLCDevice) { - byte_num = FTL_Get_LBAPBA_Table_Flash_Size_Bytes() + - DeviceInfo.wDataBlockNum * sizeof(u8) + - DeviceInfo.wDataBlockNum * sizeof(u16); - } else { - byte_num = FTL_Get_LBAPBA_Table_Flash_Size_Bytes() + - DeviceInfo.wDataBlockNum * sizeof(u8); - } - - byte_num += 4 * sizeof(u8); - - return byte_num; -} - -static u16 FTL_Get_Block_Table_Flash_Size_Pages(void) -{ - return (u16)FTL_Get_Page_Num(FTL_Get_Block_Table_Flash_Size_Bytes()); -} - -static int FTL_Copy_Block_Table_To_Flash(u8 *flashBuf, u32 sizeToTx, - u32 sizeTxed) -{ - u32 wBytesCopied, blk_tbl_size, wBytes; - u32 *pbt = (u32 *)g_pBlockTable; - - blk_tbl_size = FTL_Get_LBAPBA_Table_Flash_Size_Bytes(); - for (wBytes = 0; - (wBytes < sizeToTx) && ((wBytes + sizeTxed) < blk_tbl_size); - wBytes++) { -#if SUPPORT_LARGE_BLOCKNUM - flashBuf[wBytes] = (u8)(pbt[(wBytes + sizeTxed) / 3] - >> (((wBytes + sizeTxed) % 3) ? - ((((wBytes + sizeTxed) % 3) == 2) ? 0 : 8) : 16)) & 0xFF; -#else - flashBuf[wBytes] = (u8)(pbt[(wBytes + sizeTxed) / 2] - >> (((wBytes + sizeTxed) % 2) ? 0 : 8)) & 0xFF; -#endif - } - - sizeTxed = (sizeTxed > blk_tbl_size) ? (sizeTxed - blk_tbl_size) : 0; - blk_tbl_size = FTL_Get_WearCounter_Table_Flash_Size_Bytes(); - wBytesCopied = wBytes; - wBytes = ((blk_tbl_size - sizeTxed) > (sizeToTx - wBytesCopied)) ? - (sizeToTx - wBytesCopied) : (blk_tbl_size - sizeTxed); - memcpy(flashBuf + wBytesCopied, g_pWearCounter + sizeTxed, wBytes); - - sizeTxed = (sizeTxed > blk_tbl_size) ? (sizeTxed - blk_tbl_size) : 0; - - if (DeviceInfo.MLCDevice) { - blk_tbl_size = FTL_Get_ReadCounter_Table_Flash_Size_Bytes(); - wBytesCopied += wBytes; - for (wBytes = 0; ((wBytes + wBytesCopied) < sizeToTx) && - ((wBytes + sizeTxed) < blk_tbl_size); wBytes++) - flashBuf[wBytes + wBytesCopied] = - (g_pReadCounter[(wBytes + sizeTxed) / 2] >> - (((wBytes + sizeTxed) % 2) ? 0 : 8)) & 0xFF; - } - - return wBytesCopied + wBytes; -} - -static int FTL_Copy_Block_Table_From_Flash(u8 *flashBuf, - u32 sizeToTx, u32 sizeTxed) -{ - u32 wBytesCopied, blk_tbl_size, wBytes; - u32 *pbt = (u32 *)g_pBlockTable; - - blk_tbl_size = FTL_Get_LBAPBA_Table_Flash_Size_Bytes(); - for (wBytes = 0; (wBytes < sizeToTx) && - ((wBytes + sizeTxed) < blk_tbl_size); wBytes++) { -#if SUPPORT_LARGE_BLOCKNUM - if (!((wBytes + sizeTxed) % 3)) - pbt[(wBytes + sizeTxed) / 3] = 0; - pbt[(wBytes + sizeTxed) / 3] |= - (flashBuf[wBytes] << (((wBytes + sizeTxed) % 3) ? - ((((wBytes + sizeTxed) % 3) == 2) ? 0 : 8) : 16)); -#else - if (!((wBytes + sizeTxed) % 2)) - pbt[(wBytes + sizeTxed) / 2] = 0; - pbt[(wBytes + sizeTxed) / 2] |= - (flashBuf[wBytes] << (((wBytes + sizeTxed) % 2) ? - 0 : 8)); -#endif - } - - sizeTxed = (sizeTxed > blk_tbl_size) ? (sizeTxed - blk_tbl_size) : 0; - blk_tbl_size = FTL_Get_WearCounter_Table_Flash_Size_Bytes(); - wBytesCopied = wBytes; - wBytes = ((blk_tbl_size - sizeTxed) > (sizeToTx - wBytesCopied)) ? - (sizeToTx - wBytesCopied) : (blk_tbl_size - sizeTxed); - memcpy(g_pWearCounter + sizeTxed, flashBuf + wBytesCopied, wBytes); - sizeTxed = (sizeTxed > blk_tbl_size) ? (sizeTxed - blk_tbl_size) : 0; - - if (DeviceInfo.MLCDevice) { - wBytesCopied += wBytes; - blk_tbl_size = FTL_Get_ReadCounter_Table_Flash_Size_Bytes(); - for (wBytes = 0; ((wBytes + wBytesCopied) < sizeToTx) && - ((wBytes + sizeTxed) < blk_tbl_size); wBytes++) { - if (((wBytes + sizeTxed) % 2)) - g_pReadCounter[(wBytes + sizeTxed) / 2] = 0; - g_pReadCounter[(wBytes + sizeTxed) / 2] |= - (flashBuf[wBytes] << - (((wBytes + sizeTxed) % 2) ? 0 : 8)); - } - } - - return wBytesCopied+wBytes; -} - -static int FTL_Insert_Block_Table_Signature(u8 *buf, u8 tag) -{ - int i; - - for (i = 0; i < BTSIG_BYTES; i++) - buf[BTSIG_OFFSET + i] = - ((tag + (i * BTSIG_DELTA) - FIRST_BT_ID) % - (1 + LAST_BT_ID-FIRST_BT_ID)) + FIRST_BT_ID; - - return PASS; -} - -static int FTL_Extract_Block_Table_Tag(u8 *buf, u8 **tagarray) -{ - static u8 tag[BTSIG_BYTES >> 1]; - int i, j, k, tagi, tagtemp, status; - - *tagarray = (u8 *)tag; - tagi = 0; - - for (i = 0; i < (BTSIG_BYTES - 1); i++) { - for (j = i + 1; (j < BTSIG_BYTES) && - (tagi < (BTSIG_BYTES >> 1)); j++) { - tagtemp = buf[BTSIG_OFFSET + j] - - buf[BTSIG_OFFSET + i]; - if (tagtemp && !(tagtemp % BTSIG_DELTA)) { - tagtemp = (buf[BTSIG_OFFSET + i] + - (1 + LAST_BT_ID - FIRST_BT_ID) - - (i * BTSIG_DELTA)) % - (1 + LAST_BT_ID - FIRST_BT_ID); - status = FAIL; - for (k = 0; k < tagi; k++) { - if (tagtemp == tag[k]) - status = PASS; - } - - if (status == FAIL) { - tag[tagi++] = tagtemp; - i = (j == (i + 1)) ? i + 1 : i; - j = (j == (i + 1)) ? i + 1 : i; - } - } - } - } - - return tagi; -} - - -static int FTL_Execute_SPL_Recovery(void) -{ - u32 j, block, blks; - u32 *pbt = (u32 *)g_pBlockTable; - int ret; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - blks = DeviceInfo.wSpectraEndBlock - DeviceInfo.wSpectraStartBlock; - for (j = 0; j <= blks; j++) { - block = (pbt[j]); - if (((block & BAD_BLOCK) != BAD_BLOCK) && - ((block & SPARE_BLOCK) == SPARE_BLOCK)) { - ret = GLOB_LLD_Erase_Block(block & ~BAD_BLOCK); - if (FAIL == ret) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, new Bad Block %d " - "generated!\n", - __FILE__, __LINE__, __func__, - (int)(block & ~BAD_BLOCK)); - MARK_BLOCK_AS_BAD(pbt[j]); - } - } - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_IdentifyDevice -* Inputs: pointer to identify data structure -* Outputs: PASS / FAIL -* Description: the identify data structure is filled in with -* information for the block driver. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_IdentifyDevice(struct spectra_indentfy_dev_tag *dev_data) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - dev_data->NumBlocks = DeviceInfo.wTotalBlocks; - dev_data->PagesPerBlock = DeviceInfo.wPagesPerBlock; - dev_data->PageDataSize = DeviceInfo.wPageDataSize; - dev_data->wECCBytesPerSector = DeviceInfo.wECCBytesPerSector; - dev_data->wDataBlockNum = DeviceInfo.wDataBlockNum; - - return PASS; -} - -/* ..... */ -static int allocate_memory(void) -{ - u32 block_table_size, page_size, block_size, mem_size; - u32 total_bytes = 0; - int i; -#if CMD_DMA - int j; -#endif - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - page_size = DeviceInfo.wPageSize; - block_size = DeviceInfo.wPagesPerBlock * DeviceInfo.wPageDataSize; - - block_table_size = DeviceInfo.wDataBlockNum * - (sizeof(u32) + sizeof(u8) + sizeof(u16)); - block_table_size += (DeviceInfo.wPageDataSize - - (block_table_size % DeviceInfo.wPageDataSize)) % - DeviceInfo.wPageDataSize; - - /* Malloc memory for block tables */ - g_pBlockTable = kzalloc(block_table_size, GFP_ATOMIC); - if (!g_pBlockTable) - goto block_table_fail; - total_bytes += block_table_size; - - g_pWearCounter = (u8 *)(g_pBlockTable + - DeviceInfo.wDataBlockNum * sizeof(u32)); - - if (DeviceInfo.MLCDevice) - g_pReadCounter = (u16 *)(g_pBlockTable + - DeviceInfo.wDataBlockNum * - (sizeof(u32) + sizeof(u8))); - - /* Malloc memory and init for cache items */ - for (i = 0; i < CACHE_ITEM_NUM; i++) { - Cache.array[i].address = NAND_CACHE_INIT_ADDR; - Cache.array[i].use_cnt = 0; - Cache.array[i].changed = CLEAR; - Cache.array[i].buf = kzalloc(Cache.cache_item_size, - GFP_ATOMIC); - if (!Cache.array[i].buf) - goto cache_item_fail; - total_bytes += Cache.cache_item_size; - } - - /* Malloc memory for IPF */ - g_pIPF = kzalloc(page_size, GFP_ATOMIC); - if (!g_pIPF) - goto ipf_fail; - total_bytes += page_size; - - /* Malloc memory for data merging during Level2 Cache flush */ - cache_l2_page_buf = kmalloc(page_size, GFP_ATOMIC); - if (!cache_l2_page_buf) - goto cache_l2_page_buf_fail; - memset(cache_l2_page_buf, 0xff, page_size); - total_bytes += page_size; - - cache_l2_blk_buf = kmalloc(block_size, GFP_ATOMIC); - if (!cache_l2_blk_buf) - goto cache_l2_blk_buf_fail; - memset(cache_l2_blk_buf, 0xff, block_size); - total_bytes += block_size; - - /* Malloc memory for temp buffer */ - g_pTempBuf = kzalloc(Cache.cache_item_size, GFP_ATOMIC); - if (!g_pTempBuf) - goto Temp_buf_fail; - total_bytes += Cache.cache_item_size; - - /* Malloc memory for block table blocks */ - mem_size = (1 + LAST_BT_ID - FIRST_BT_ID) * sizeof(u32); - g_pBTBlocks = kmalloc(mem_size, GFP_ATOMIC); - if (!g_pBTBlocks) - goto bt_blocks_fail; - memset(g_pBTBlocks, 0xff, mem_size); - total_bytes += mem_size; - - /* Malloc memory for function FTL_Check_Block_Table */ - flag_check_blk_table = kmalloc(DeviceInfo.wDataBlockNum, GFP_ATOMIC); - if (!flag_check_blk_table) - goto flag_check_blk_table_fail; - total_bytes += DeviceInfo.wDataBlockNum; - - /* Malloc memory for function FTL_Search_Block_Table_IN_Block */ - tmp_buf_search_bt_in_block = kmalloc(page_size, GFP_ATOMIC); - if (!tmp_buf_search_bt_in_block) - goto tmp_buf_search_bt_in_block_fail; - memset(tmp_buf_search_bt_in_block, 0xff, page_size); - total_bytes += page_size; - - mem_size = DeviceInfo.wPageSize - DeviceInfo.wPageDataSize; - spare_buf_search_bt_in_block = kmalloc(mem_size, GFP_ATOMIC); - if (!spare_buf_search_bt_in_block) - goto spare_buf_search_bt_in_block_fail; - memset(spare_buf_search_bt_in_block, 0xff, mem_size); - total_bytes += mem_size; - - spare_buf_bt_search_bt_in_block = kmalloc(mem_size, GFP_ATOMIC); - if (!spare_buf_bt_search_bt_in_block) - goto spare_buf_bt_search_bt_in_block_fail; - memset(spare_buf_bt_search_bt_in_block, 0xff, mem_size); - total_bytes += mem_size; - - /* Malloc memory for function FTL_Read_Block_Table */ - tmp_buf1_read_blk_table = kmalloc(page_size, GFP_ATOMIC); - if (!tmp_buf1_read_blk_table) - goto tmp_buf1_read_blk_table_fail; - memset(tmp_buf1_read_blk_table, 0xff, page_size); - total_bytes += page_size; - - tmp_buf2_read_blk_table = kmalloc(page_size, GFP_ATOMIC); - if (!tmp_buf2_read_blk_table) - goto tmp_buf2_read_blk_table_fail; - memset(tmp_buf2_read_blk_table, 0xff, page_size); - total_bytes += page_size; - - /* Malloc memory for function FTL_Static_Wear_Leveling */ - flags_static_wear_leveling = kmalloc(DeviceInfo.wDataBlockNum, - GFP_ATOMIC); - if (!flags_static_wear_leveling) - goto flags_static_wear_leveling_fail; - total_bytes += DeviceInfo.wDataBlockNum; - - /* Malloc memory for function FTL_Write_Block_Table_Data */ - if (FTL_Get_Block_Table_Flash_Size_Pages() > 3) - mem_size = FTL_Get_Block_Table_Flash_Size_Bytes() - - 2 * DeviceInfo.wPageSize; - else - mem_size = DeviceInfo.wPageSize; - tmp_buf_write_blk_table_data = kmalloc(mem_size, GFP_ATOMIC); - if (!tmp_buf_write_blk_table_data) - goto tmp_buf_write_blk_table_data_fail; - memset(tmp_buf_write_blk_table_data, 0xff, mem_size); - total_bytes += mem_size; - - /* Malloc memory for function FTL_Read_Disturbance */ - tmp_buf_read_disturbance = kmalloc(block_size, GFP_ATOMIC); - if (!tmp_buf_read_disturbance) - goto tmp_buf_read_disturbance_fail; - memset(tmp_buf_read_disturbance, 0xff, block_size); - total_bytes += block_size; - - /* Alloc mem for function NAND_Read_Page_Main_Spare of lld_nand.c */ - buf_read_page_main_spare = kmalloc(DeviceInfo.wPageSize, GFP_ATOMIC); - if (!buf_read_page_main_spare) - goto buf_read_page_main_spare_fail; - total_bytes += DeviceInfo.wPageSize; - - /* Alloc mem for function NAND_Write_Page_Main_Spare of lld_nand.c */ - buf_write_page_main_spare = kmalloc(DeviceInfo.wPageSize, GFP_ATOMIC); - if (!buf_write_page_main_spare) - goto buf_write_page_main_spare_fail; - total_bytes += DeviceInfo.wPageSize; - - /* Alloc mem for function NAND_Read_Page_Spare of lld_nand.c */ - buf_read_page_spare = kmalloc(DeviceInfo.wPageSpareSize, GFP_ATOMIC); - if (!buf_read_page_spare) - goto buf_read_page_spare_fail; - memset(buf_read_page_spare, 0xff, DeviceInfo.wPageSpareSize); - total_bytes += DeviceInfo.wPageSpareSize; - - /* Alloc mem for function NAND_Get_Bad_Block of lld_nand.c */ - buf_get_bad_block = kmalloc(DeviceInfo.wPageSpareSize, GFP_ATOMIC); - if (!buf_get_bad_block) - goto buf_get_bad_block_fail; - memset(buf_get_bad_block, 0xff, DeviceInfo.wPageSpareSize); - total_bytes += DeviceInfo.wPageSpareSize; - -#if CMD_DMA - g_temp_buf = kmalloc(block_size, GFP_ATOMIC); - if (!g_temp_buf) - goto temp_buf_fail; - memset(g_temp_buf, 0xff, block_size); - total_bytes += block_size; - - /* Malloc memory for copy of block table used in CDMA mode */ - g_pBTStartingCopy = kzalloc(block_table_size, GFP_ATOMIC); - if (!g_pBTStartingCopy) - goto bt_starting_copy; - total_bytes += block_table_size; - - g_pWearCounterCopy = (u8 *)(g_pBTStartingCopy + - DeviceInfo.wDataBlockNum * sizeof(u32)); - - if (DeviceInfo.MLCDevice) - g_pReadCounterCopy = (u16 *)(g_pBTStartingCopy + - DeviceInfo.wDataBlockNum * - (sizeof(u32) + sizeof(u8))); - - /* Malloc memory for block table copies */ - mem_size = 5 * DeviceInfo.wDataBlockNum * sizeof(u32) + - 5 * DeviceInfo.wDataBlockNum * sizeof(u8); - if (DeviceInfo.MLCDevice) - mem_size += 5 * DeviceInfo.wDataBlockNum * sizeof(u16); - g_pBlockTableCopies = kzalloc(mem_size, GFP_ATOMIC); - if (!g_pBlockTableCopies) - goto blk_table_copies_fail; - total_bytes += mem_size; - g_pNextBlockTable = g_pBlockTableCopies; - - /* Malloc memory for Block Table Delta */ - mem_size = MAX_DESCS * sizeof(struct BTableChangesDelta); - g_pBTDelta = kzalloc(mem_size, GFP_ATOMIC); - if (!g_pBTDelta) - goto bt_delta_fail; - total_bytes += mem_size; - g_pBTDelta_Free = g_pBTDelta; - - /* Malloc memory for Copy Back Buffers */ - for (j = 0; j < COPY_BACK_BUF_NUM; j++) { - cp_back_buf_copies[j] = kzalloc(block_size, GFP_ATOMIC); - if (!cp_back_buf_copies[j]) - goto cp_back_buf_copies_fail; - total_bytes += block_size; - } - cp_back_buf_idx = 0; - - /* Malloc memory for pending commands list */ - mem_size = sizeof(struct pending_cmd) * MAX_DESCS; - info.pcmds = kzalloc(mem_size, GFP_KERNEL); - if (!info.pcmds) - goto pending_cmds_buf_fail; - total_bytes += mem_size; - - /* Malloc memory for CDMA descripter table */ - mem_size = sizeof(struct cdma_descriptor) * MAX_DESCS; - info.cdma_desc_buf = kzalloc(mem_size, GFP_KERNEL); - if (!info.cdma_desc_buf) - goto cdma_desc_buf_fail; - total_bytes += mem_size; - - /* Malloc memory for Memcpy descripter table */ - mem_size = sizeof(struct memcpy_descriptor) * MAX_DESCS; - info.memcp_desc_buf = kzalloc(mem_size, GFP_KERNEL); - if (!info.memcp_desc_buf) - goto memcp_desc_buf_fail; - total_bytes += mem_size; -#endif - - nand_dbg_print(NAND_DBG_WARN, - "Total memory allocated in FTL layer: %d\n", total_bytes); - - return PASS; - -#if CMD_DMA -memcp_desc_buf_fail: - kfree(info.cdma_desc_buf); -cdma_desc_buf_fail: - kfree(info.pcmds); -pending_cmds_buf_fail: -cp_back_buf_copies_fail: - j--; - for (; j >= 0; j--) - kfree(cp_back_buf_copies[j]); - kfree(g_pBTDelta); -bt_delta_fail: - kfree(g_pBlockTableCopies); -blk_table_copies_fail: - kfree(g_pBTStartingCopy); -bt_starting_copy: - kfree(g_temp_buf); -temp_buf_fail: - kfree(buf_get_bad_block); -#endif - -buf_get_bad_block_fail: - kfree(buf_read_page_spare); -buf_read_page_spare_fail: - kfree(buf_write_page_main_spare); -buf_write_page_main_spare_fail: - kfree(buf_read_page_main_spare); -buf_read_page_main_spare_fail: - kfree(tmp_buf_read_disturbance); -tmp_buf_read_disturbance_fail: - kfree(tmp_buf_write_blk_table_data); -tmp_buf_write_blk_table_data_fail: - kfree(flags_static_wear_leveling); -flags_static_wear_leveling_fail: - kfree(tmp_buf2_read_blk_table); -tmp_buf2_read_blk_table_fail: - kfree(tmp_buf1_read_blk_table); -tmp_buf1_read_blk_table_fail: - kfree(spare_buf_bt_search_bt_in_block); -spare_buf_bt_search_bt_in_block_fail: - kfree(spare_buf_search_bt_in_block); -spare_buf_search_bt_in_block_fail: - kfree(tmp_buf_search_bt_in_block); -tmp_buf_search_bt_in_block_fail: - kfree(flag_check_blk_table); -flag_check_blk_table_fail: - kfree(g_pBTBlocks); -bt_blocks_fail: - kfree(g_pTempBuf); -Temp_buf_fail: - kfree(cache_l2_blk_buf); -cache_l2_blk_buf_fail: - kfree(cache_l2_page_buf); -cache_l2_page_buf_fail: - kfree(g_pIPF); -ipf_fail: -cache_item_fail: - i--; - for (; i >= 0; i--) - kfree(Cache.array[i].buf); - kfree(g_pBlockTable); -block_table_fail: - printk(KERN_ERR "Failed to kmalloc memory in %s Line %d.\n", - __FILE__, __LINE__); - - return -ENOMEM; -} - -/* .... */ -static int free_memory(void) -{ - int i; - -#if CMD_DMA - kfree(info.memcp_desc_buf); - kfree(info.cdma_desc_buf); - kfree(info.pcmds); - for (i = COPY_BACK_BUF_NUM - 1; i >= 0; i--) - kfree(cp_back_buf_copies[i]); - kfree(g_pBTDelta); - kfree(g_pBlockTableCopies); - kfree(g_pBTStartingCopy); - kfree(g_temp_buf); - kfree(buf_get_bad_block); -#endif - kfree(buf_read_page_spare); - kfree(buf_write_page_main_spare); - kfree(buf_read_page_main_spare); - kfree(tmp_buf_read_disturbance); - kfree(tmp_buf_write_blk_table_data); - kfree(flags_static_wear_leveling); - kfree(tmp_buf2_read_blk_table); - kfree(tmp_buf1_read_blk_table); - kfree(spare_buf_bt_search_bt_in_block); - kfree(spare_buf_search_bt_in_block); - kfree(tmp_buf_search_bt_in_block); - kfree(flag_check_blk_table); - kfree(g_pBTBlocks); - kfree(g_pTempBuf); - kfree(g_pIPF); - for (i = CACHE_ITEM_NUM - 1; i >= 0; i--) - kfree(Cache.array[i].buf); - kfree(g_pBlockTable); - - return 0; -} - -static void dump_cache_l2_table(void) -{ - struct list_head *p; - struct spectra_l2_cache_list *pnd; - int n; - - n = 0; - list_for_each(p, &cache_l2.table.list) { - pnd = list_entry(p, struct spectra_l2_cache_list, list); - nand_dbg_print(NAND_DBG_WARN, "dump_cache_l2_table node: %d, logical_blk_num: %d\n", n, pnd->logical_blk_num); -/* - for (i = 0; i < DeviceInfo.wPagesPerBlock; i++) { - if (pnd->pages_array[i] != MAX_U32_VALUE) - nand_dbg_print(NAND_DBG_WARN, " pages_array[%d]: 0x%x\n", i, pnd->pages_array[i]); - } -*/ - n++; - } -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Init -* Inputs: none -* Outputs: PASS=0 / FAIL=1 -* Description: allocates the memory for cache array, -* important data structures -* clears the cache array -* reads the block table from flash into array -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Init(void) -{ - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - Cache.pages_per_item = 1; - Cache.cache_item_size = 1 * DeviceInfo.wPageDataSize; - - if (allocate_memory() != PASS) - return FAIL; - -#if CMD_DMA -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - memcpy((void *)&cache_start_copy, (void *)&Cache, - sizeof(struct flash_cache_tag)); - memset((void *)&int_cache, -1, - sizeof(struct flash_cache_delta_list_tag) * - (MAX_CHANS + MAX_DESCS)); -#endif - ftl_cmd_cnt = 0; -#endif - - if (FTL_Read_Block_Table() != PASS) - return FAIL; - - /* Init the Level2 Cache data structure */ - for (i = 0; i < BLK_NUM_FOR_L2_CACHE; i++) - cache_l2.blk_array[i] = MAX_U32_VALUE; - cache_l2.cur_blk_idx = 0; - cache_l2.cur_page_num = 0; - INIT_LIST_HEAD(&cache_l2.table.list); - cache_l2.table.logical_blk_num = MAX_U32_VALUE; - - dump_cache_l2_table(); - - return 0; -} - - -#if CMD_DMA -#if 0 -static void save_blk_table_changes(u16 idx) -{ - u8 ftl_cmd; - u32 *pbt = (u32 *)g_pBTStartingCopy; - -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - u16 id; - u8 cache_blks; - - id = idx - MAX_CHANS; - if (int_cache[id].item != -1) { - cache_blks = int_cache[id].item; - cache_start_copy.array[cache_blks].address = - int_cache[id].cache.address; - cache_start_copy.array[cache_blks].changed = - int_cache[id].cache.changed; - } -#endif - - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - - while (ftl_cmd <= PendingCMD[idx].Tag) { - if (p_BTableChangesDelta->ValidFields == 0x01) { - g_wBlockTableOffset = - p_BTableChangesDelta->g_wBlockTableOffset; - } else if (p_BTableChangesDelta->ValidFields == 0x0C) { - pbt[p_BTableChangesDelta->BT_Index] = - p_BTableChangesDelta->BT_Entry_Value; - debug_boundary_error((( - p_BTableChangesDelta->BT_Index)), - DeviceInfo.wDataBlockNum, 0); - } else if (p_BTableChangesDelta->ValidFields == 0x03) { - g_wBlockTableOffset = - p_BTableChangesDelta->g_wBlockTableOffset; - g_wBlockTableIndex = - p_BTableChangesDelta->g_wBlockTableIndex; - } else if (p_BTableChangesDelta->ValidFields == 0x30) { - g_pWearCounterCopy[p_BTableChangesDelta->WC_Index] = - p_BTableChangesDelta->WC_Entry_Value; - } else if ((DeviceInfo.MLCDevice) && - (p_BTableChangesDelta->ValidFields == 0xC0)) { - g_pReadCounterCopy[p_BTableChangesDelta->RC_Index] = - p_BTableChangesDelta->RC_Entry_Value; - nand_dbg_print(NAND_DBG_DEBUG, - "In event status setting read counter " - "GLOB_ftl_cmd_cnt %u Count %u Index %u\n", - ftl_cmd, - p_BTableChangesDelta->RC_Entry_Value, - (unsigned int)p_BTableChangesDelta->RC_Index); - } else { - nand_dbg_print(NAND_DBG_DEBUG, - "This should never occur \n"); - } - p_BTableChangesDelta += 1; - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - } -} - -static void discard_cmds(u16 n) -{ - u32 *pbt = (u32 *)g_pBTStartingCopy; - u8 ftl_cmd; - unsigned long k; -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - u8 cache_blks; - u16 id; -#endif - - if ((PendingCMD[n].CMD == WRITE_MAIN_CMD) || - (PendingCMD[n].CMD == WRITE_MAIN_SPARE_CMD)) { - for (k = 0; k < DeviceInfo.wDataBlockNum; k++) { - if (PendingCMD[n].Block == (pbt[k] & (~BAD_BLOCK))) - MARK_BLK_AS_DISCARD(pbt[k]); - } - } - - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - while (ftl_cmd <= PendingCMD[n].Tag) { - p_BTableChangesDelta += 1; - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - } - -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - id = n - MAX_CHANS; - - if (int_cache[id].item != -1) { - cache_blks = int_cache[id].item; - if (PendingCMD[n].CMD == MEMCOPY_CMD) { - if ((cache_start_copy.array[cache_blks].buf <= - PendingCMD[n].DataDestAddr) && - ((cache_start_copy.array[cache_blks].buf + - Cache.cache_item_size) > - PendingCMD[n].DataDestAddr)) { - cache_start_copy.array[cache_blks].address = - NAND_CACHE_INIT_ADDR; - cache_start_copy.array[cache_blks].use_cnt = - 0; - cache_start_copy.array[cache_blks].changed = - CLEAR; - } - } else { - cache_start_copy.array[cache_blks].address = - int_cache[id].cache.address; - cache_start_copy.array[cache_blks].changed = - int_cache[id].cache.changed; - } - } -#endif -} - -static void process_cmd_pass(int *first_failed_cmd, u16 idx) -{ - if (0 == *first_failed_cmd) - save_blk_table_changes(idx); - else - discard_cmds(idx); -} - -static void process_cmd_fail_abort(int *first_failed_cmd, - u16 idx, int event) -{ - u32 *pbt = (u32 *)g_pBTStartingCopy; - u8 ftl_cmd; - unsigned long i; - int erase_fail, program_fail; -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - u8 cache_blks; - u16 id; -#endif - - if (0 == *first_failed_cmd) - *first_failed_cmd = PendingCMD[idx].SBDCmdIndex; - - nand_dbg_print(NAND_DBG_DEBUG, "Uncorrectable error has occurred " - "while executing %u Command %u accesing Block %u\n", - (unsigned int)p_BTableChangesDelta->ftl_cmd_cnt, - PendingCMD[idx].CMD, - (unsigned int)PendingCMD[idx].Block); - - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - while (ftl_cmd <= PendingCMD[idx].Tag) { - p_BTableChangesDelta += 1; - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - } - -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - id = idx - MAX_CHANS; - - if (int_cache[id].item != -1) { - cache_blks = int_cache[id].item; - if ((PendingCMD[idx].CMD == WRITE_MAIN_CMD)) { - cache_start_copy.array[cache_blks].address = - int_cache[id].cache.address; - cache_start_copy.array[cache_blks].changed = SET; - } else if ((PendingCMD[idx].CMD == READ_MAIN_CMD)) { - cache_start_copy.array[cache_blks].address = - NAND_CACHE_INIT_ADDR; - cache_start_copy.array[cache_blks].use_cnt = 0; - cache_start_copy.array[cache_blks].changed = - CLEAR; - } else if (PendingCMD[idx].CMD == ERASE_CMD) { - /* ? */ - } else if (PendingCMD[idx].CMD == MEMCOPY_CMD) { - /* ? */ - } - } -#endif - - erase_fail = (event == EVENT_ERASE_FAILURE) && - (PendingCMD[idx].CMD == ERASE_CMD); - - program_fail = (event == EVENT_PROGRAM_FAILURE) && - ((PendingCMD[idx].CMD == WRITE_MAIN_CMD) || - (PendingCMD[idx].CMD == WRITE_MAIN_SPARE_CMD)); - - if (erase_fail || program_fail) { - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - if (PendingCMD[idx].Block == - (pbt[i] & (~BAD_BLOCK))) - MARK_BLOCK_AS_BAD(pbt[i]); - } - } -} - -static void process_cmd(int *first_failed_cmd, u16 idx, int event) -{ - u8 ftl_cmd; - int cmd_match = 0; - - if (p_BTableChangesDelta->ftl_cmd_cnt == PendingCMD[idx].Tag) - cmd_match = 1; - - if (PendingCMD[idx].Status == CMD_PASS) { - process_cmd_pass(first_failed_cmd, idx); - } else if ((PendingCMD[idx].Status == CMD_FAIL) || - (PendingCMD[idx].Status == CMD_ABORT)) { - process_cmd_fail_abort(first_failed_cmd, idx, event); - } else if ((PendingCMD[idx].Status == CMD_NOT_DONE) && - PendingCMD[idx].Tag) { - nand_dbg_print(NAND_DBG_DEBUG, - " Command no. %hu is not executed\n", - (unsigned int)PendingCMD[idx].Tag); - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - while (ftl_cmd <= PendingCMD[idx].Tag) { - p_BTableChangesDelta += 1; - ftl_cmd = p_BTableChangesDelta->ftl_cmd_cnt; - } - } -} -#endif - -static void process_cmd(int *first_failed_cmd, u16 idx, int event) -{ - printk(KERN_ERR "temporary workaround function. " - "Should not be called! \n"); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Event_Status -* Inputs: none -* Outputs: Event Code -* Description: It is called by SBD after hardware interrupt signalling -* completion of commands chain -* It does following things -* get event status from LLD -* analyze command chain status -* determine last command executed -* analyze results -* rebuild the block table in case of uncorrectable error -* return event code -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Event_Status(int *first_failed_cmd) -{ - int event_code = PASS; - u16 i_P; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - *first_failed_cmd = 0; - - event_code = GLOB_LLD_Event_Status(); - - switch (event_code) { - case EVENT_PASS: - nand_dbg_print(NAND_DBG_DEBUG, "Handling EVENT_PASS\n"); - break; - case EVENT_UNCORRECTABLE_DATA_ERROR: - nand_dbg_print(NAND_DBG_DEBUG, "Handling Uncorrectable ECC!\n"); - break; - case EVENT_PROGRAM_FAILURE: - case EVENT_ERASE_FAILURE: - nand_dbg_print(NAND_DBG_WARN, "Handling Ugly case. " - "Event code: 0x%x\n", event_code); - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta; - for (i_P = MAX_CHANS; i_P < (ftl_cmd_cnt + MAX_CHANS); - i_P++) - process_cmd(first_failed_cmd, i_P, event_code); - memcpy(g_pBlockTable, g_pBTStartingCopy, - DeviceInfo.wDataBlockNum * sizeof(u32)); - memcpy(g_pWearCounter, g_pWearCounterCopy, - DeviceInfo.wDataBlockNum * sizeof(u8)); - if (DeviceInfo.MLCDevice) - memcpy(g_pReadCounter, g_pReadCounterCopy, - DeviceInfo.wDataBlockNum * sizeof(u16)); - -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - memcpy((void *)&Cache, (void *)&cache_start_copy, - sizeof(struct flash_cache_tag)); - memset((void *)&int_cache, -1, - sizeof(struct flash_cache_delta_list_tag) * - (MAX_DESCS + MAX_CHANS)); -#endif - break; - default: - nand_dbg_print(NAND_DBG_WARN, - "Handling unexpected event code - 0x%x\n", - event_code); - event_code = ERR; - break; - } - - memcpy(g_pBTStartingCopy, g_pBlockTable, - DeviceInfo.wDataBlockNum * sizeof(u32)); - memcpy(g_pWearCounterCopy, g_pWearCounter, - DeviceInfo.wDataBlockNum * sizeof(u8)); - if (DeviceInfo.MLCDevice) - memcpy(g_pReadCounterCopy, g_pReadCounter, - DeviceInfo.wDataBlockNum * sizeof(u16)); - - g_pBTDelta_Free = g_pBTDelta; - ftl_cmd_cnt = 0; - g_pNextBlockTable = g_pBlockTableCopies; - cp_back_buf_idx = 0; - -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - memcpy((void *)&cache_start_copy, (void *)&Cache, - sizeof(struct flash_cache_tag)); - memset((void *)&int_cache, -1, - sizeof(struct flash_cache_delta_list_tag) * - (MAX_DESCS + MAX_CHANS)); -#endif - - return event_code; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: glob_ftl_execute_cmds -* Inputs: none -* Outputs: none -* Description: pass thru to LLD -***************************************************************/ -u16 glob_ftl_execute_cmds(void) -{ - nand_dbg_print(NAND_DBG_TRACE, - "glob_ftl_execute_cmds: ftl_cmd_cnt %u\n", - (unsigned int)ftl_cmd_cnt); - g_SBDCmdIndex = 0; - return glob_lld_execute_cmds(); -} - -#endif - -#if !CMD_DMA -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Read Immediate -* Inputs: pointer to data -* address of data -* Outputs: PASS / FAIL -* Description: Reads one page of data into RAM directly from flash without -* using or disturbing cache.It is assumed this function is called -* with CMD-DMA disabled. -*****************************************************************/ -int GLOB_FTL_Read_Immediate(u8 *read_data, u64 addr) -{ - int wResult = FAIL; - u32 Block; - u16 Page; - u32 phy_blk; - u32 *pbt = (u32 *)g_pBlockTable; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - Block = BLK_FROM_ADDR(addr); - Page = PAGE_FROM_ADDR(addr, Block); - - if (!IS_SPARE_BLOCK(Block)) - return FAIL; - - phy_blk = pbt[Block]; - wResult = GLOB_LLD_Read_Page_Main(read_data, phy_blk, Page, 1); - - if (DeviceInfo.MLCDevice) { - g_pReadCounter[phy_blk - DeviceInfo.wSpectraStartBlock]++; - if (g_pReadCounter[phy_blk - DeviceInfo.wSpectraStartBlock] - >= MAX_READ_COUNTER) - FTL_Read_Disturbance(phy_blk); - if (g_cBlockTableStatus != IN_PROGRESS_BLOCK_TABLE) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - } - - return wResult; -} -#endif - -#ifdef SUPPORT_BIG_ENDIAN -/********************************************************************* -* Function: FTL_Invert_Block_Table -* Inputs: none -* Outputs: none -* Description: Re-format the block table in ram based on BIG_ENDIAN and -* LARGE_BLOCKNUM if necessary -**********************************************************************/ -static void FTL_Invert_Block_Table(void) -{ - u32 i; - u32 *pbt = (u32 *)g_pBlockTable; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - -#ifdef SUPPORT_LARGE_BLOCKNUM - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - pbt[i] = INVERTUINT32(pbt[i]); - g_pWearCounter[i] = INVERTUINT32(g_pWearCounter[i]); - } -#else - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - pbt[i] = INVERTUINT16(pbt[i]); - g_pWearCounter[i] = INVERTUINT16(g_pWearCounter[i]); - } -#endif -} -#endif - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Flash_Init -* Inputs: none -* Outputs: PASS=0 / FAIL=0x01 (based on read ID) -* Description: The flash controller is initialized -* The flash device is reset -* Perform a flash READ ID command to confirm that a -* valid device is attached and active. -* The DeviceInfo structure gets filled in -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Flash_Init(void) -{ - int status = FAIL; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - g_SBDCmdIndex = 0; - - status = GLOB_LLD_Flash_Init(); - - return status; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Inputs: none -* Outputs: PASS=0 / FAIL=0x01 (based on read ID) -* Description: The flash controller is released -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Flash_Release(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return GLOB_LLD_Flash_Release(); -} - - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Cache_Release -* Inputs: none -* Outputs: none -* Description: release all allocated memory in GLOB_FTL_Init -* (allocated in GLOB_FTL_Init) -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -void GLOB_FTL_Cache_Release(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - free_memory(); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Cache_If_Hit -* Inputs: Page Address -* Outputs: Block number/UNHIT BLOCK -* Description: Determines if the addressed page is in cache -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u16 FTL_Cache_If_Hit(u64 page_addr) -{ - u16 item; - u64 addr; - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - item = UNHIT_CACHE_ITEM; - for (i = 0; i < CACHE_ITEM_NUM; i++) { - addr = Cache.array[i].address; - if ((page_addr >= addr) && - (page_addr < (addr + Cache.cache_item_size))) { - item = i; - break; - } - } - - return item; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Calculate_LRU -* Inputs: None -* Outputs: None -* Description: Calculate the least recently block in a cache and record its -* index in LRU field. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static void FTL_Calculate_LRU(void) -{ - u16 i, bCurrentLRU, bTempCount; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - bCurrentLRU = 0; - bTempCount = MAX_WORD_VALUE; - - for (i = 0; i < CACHE_ITEM_NUM; i++) { - if (Cache.array[i].use_cnt < bTempCount) { - bCurrentLRU = i; - bTempCount = Cache.array[i].use_cnt; - } - } - - Cache.LRU = bCurrentLRU; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Cache_Read_Page -* Inputs: pointer to read buffer, logical address and cache item number -* Outputs: None -* Description: Read the page from the cached block addressed by blocknumber -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static void FTL_Cache_Read_Page(u8 *data_buf, u64 logic_addr, u16 cache_item) -{ - u8 *start_addr; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - start_addr = Cache.array[cache_item].buf; - start_addr += (u32)(((logic_addr - Cache.array[cache_item].address) >> - DeviceInfo.nBitsInPageDataSize) * DeviceInfo.wPageDataSize); - -#if CMD_DMA - GLOB_LLD_MemCopy_CMD(data_buf, start_addr, - DeviceInfo.wPageDataSize, 0); - ftl_cmd_cnt++; -#else - memcpy(data_buf, start_addr, DeviceInfo.wPageDataSize); -#endif - - if (Cache.array[cache_item].use_cnt < MAX_WORD_VALUE) - Cache.array[cache_item].use_cnt++; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Cache_Read_All -* Inputs: pointer to read buffer,block address -* Outputs: PASS=0 / FAIL =1 -* Description: It reads pages in cache -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Cache_Read_All(u8 *pData, u64 phy_addr) -{ - int wResult = PASS; - u32 Block; - u32 lba; - u16 Page; - u16 PageCount; - u32 *pbt = (u32 *)g_pBlockTable; - u32 i; - - Block = BLK_FROM_ADDR(phy_addr); - Page = PAGE_FROM_ADDR(phy_addr, Block); - PageCount = Cache.pages_per_item; - - nand_dbg_print(NAND_DBG_DEBUG, - "%s, Line %d, Function: %s, Block: 0x%x\n", - __FILE__, __LINE__, __func__, Block); - - lba = 0xffffffff; - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - if ((pbt[i] & (~BAD_BLOCK)) == Block) { - lba = i; - if (IS_SPARE_BLOCK(i) || IS_BAD_BLOCK(i) || - IS_DISCARDED_BLOCK(i)) { - /* Add by yunpeng -2008.12.3 */ -#if CMD_DMA - GLOB_LLD_MemCopy_CMD(pData, g_temp_buf, - PageCount * DeviceInfo.wPageDataSize, 0); - ftl_cmd_cnt++; -#else - memset(pData, 0xFF, - PageCount * DeviceInfo.wPageDataSize); -#endif - return wResult; - } else { - continue; /* break ?? */ - } - } - } - - if (0xffffffff == lba) - printk(KERN_ERR "FTL_Cache_Read_All: Block is not found in BT\n"); - -#if CMD_DMA - wResult = GLOB_LLD_Read_Page_Main_cdma(pData, Block, Page, - PageCount, LLD_CMD_FLAG_MODE_CDMA); - if (DeviceInfo.MLCDevice) { - g_pReadCounter[Block - DeviceInfo.wSpectraStartBlock]++; - nand_dbg_print(NAND_DBG_DEBUG, - "Read Counter modified in ftl_cmd_cnt %u" - " Block %u Counter%u\n", - ftl_cmd_cnt, (unsigned int)Block, - g_pReadCounter[Block - - DeviceInfo.wSpectraStartBlock]); - - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = ftl_cmd_cnt; - p_BTableChangesDelta->RC_Index = - Block - DeviceInfo.wSpectraStartBlock; - p_BTableChangesDelta->RC_Entry_Value = - g_pReadCounter[Block - DeviceInfo.wSpectraStartBlock]; - p_BTableChangesDelta->ValidFields = 0xC0; - - ftl_cmd_cnt++; - - if (g_pReadCounter[Block - DeviceInfo.wSpectraStartBlock] >= - MAX_READ_COUNTER) - FTL_Read_Disturbance(Block); - if (g_cBlockTableStatus != IN_PROGRESS_BLOCK_TABLE) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - } else { - ftl_cmd_cnt++; - } -#else - wResult = GLOB_LLD_Read_Page_Main(pData, Block, Page, PageCount); - if (wResult == FAIL) - return wResult; - - if (DeviceInfo.MLCDevice) { - g_pReadCounter[Block - DeviceInfo.wSpectraStartBlock]++; - if (g_pReadCounter[Block - DeviceInfo.wSpectraStartBlock] >= - MAX_READ_COUNTER) - FTL_Read_Disturbance(Block); - if (g_cBlockTableStatus != IN_PROGRESS_BLOCK_TABLE) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - } -#endif - return wResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Cache_Write_All -* Inputs: pointer to cache in sys memory -* address of free block in flash -* Outputs: PASS=0 / FAIL=1 -* Description: writes all the pages of the block in cache to flash -* -* NOTE:need to make sure this works ok when cache is limited -* to a partial block. This is where copy-back would be -* activated. This would require knowing which pages in the -* cached block are clean/dirty.Right now we only know if -* the whole block is clean/dirty. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Cache_Write_All(u8 *pData, u64 blk_addr) -{ - u16 wResult = PASS; - u32 Block; - u16 Page; - u16 PageCount; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - nand_dbg_print(NAND_DBG_DEBUG, "This block %d going to be written " - "on %d\n", cache_block_to_write, - (u32)(blk_addr >> DeviceInfo.nBitsInBlockDataSize)); - - Block = BLK_FROM_ADDR(blk_addr); - Page = PAGE_FROM_ADDR(blk_addr, Block); - PageCount = Cache.pages_per_item; - -#if CMD_DMA - if (FAIL == GLOB_LLD_Write_Page_Main_cdma(pData, - Block, Page, PageCount)) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, new Bad Block %d generated! " - "Need Bad Block replacing.\n", - __FILE__, __LINE__, __func__, Block); - wResult = FAIL; - } - ftl_cmd_cnt++; -#else - if (FAIL == GLOB_LLD_Write_Page_Main(pData, Block, Page, PageCount)) { - nand_dbg_print(NAND_DBG_WARN, "NAND Program fail in %s," - " Line %d, Function %s, new Bad Block %d generated!" - "Need Bad Block replacing.\n", - __FILE__, __LINE__, __func__, Block); - wResult = FAIL; - } -#endif - return wResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Copy_Block -* Inputs: source block address -* Destination block address -* Outputs: PASS=0 / FAIL=1 -* Description: used only for static wear leveling to move the block -* containing static data to new blocks(more worn) -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int FTL_Copy_Block(u64 old_blk_addr, u64 blk_addr) -{ - int i, r1, r2, wResult = PASS; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < DeviceInfo.wPagesPerBlock; i += Cache.pages_per_item) { - r1 = FTL_Cache_Read_All(g_pTempBuf, old_blk_addr + - i * DeviceInfo.wPageDataSize); - r2 = FTL_Cache_Write_All(g_pTempBuf, blk_addr + - i * DeviceInfo.wPageDataSize); - if ((ERR == r1) || (FAIL == r2)) { - wResult = FAIL; - break; - } - } - - return wResult; -} - -/* Search the block table to find out the least wear block and then return it */ -static u32 find_least_worn_blk_for_l2_cache(void) -{ - int i; - u32 *pbt = (u32 *)g_pBlockTable; - u8 least_wear_cnt = MAX_BYTE_VALUE; - u32 least_wear_blk_idx = MAX_U32_VALUE; - u32 phy_idx; - - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - if (IS_SPARE_BLOCK(i)) { - phy_idx = (u32)((~BAD_BLOCK) & pbt[i]); - if (phy_idx > DeviceInfo.wSpectraEndBlock) - printk(KERN_ERR "find_least_worn_blk_for_l2_cache: " - "Too big phy block num (%d)\n", phy_idx); - if (g_pWearCounter[phy_idx -DeviceInfo.wSpectraStartBlock] < least_wear_cnt) { - least_wear_cnt = g_pWearCounter[phy_idx - DeviceInfo.wSpectraStartBlock]; - least_wear_blk_idx = i; - } - } - } - - nand_dbg_print(NAND_DBG_WARN, - "find_least_worn_blk_for_l2_cache: " - "find block %d with least worn counter (%d)\n", - least_wear_blk_idx, least_wear_cnt); - - return least_wear_blk_idx; -} - - - -/* Get blocks for Level2 Cache */ -static int get_l2_cache_blks(void) -{ - int n; - u32 blk; - u32 *pbt = (u32 *)g_pBlockTable; - - for (n = 0; n < BLK_NUM_FOR_L2_CACHE; n++) { - blk = find_least_worn_blk_for_l2_cache(); - if (blk >= DeviceInfo.wDataBlockNum) { - nand_dbg_print(NAND_DBG_WARN, - "find_least_worn_blk_for_l2_cache: " - "No enough free NAND blocks (n: %d) for L2 Cache!\n", n); - return FAIL; - } - /* Tag the free block as discard in block table */ - pbt[blk] = (pbt[blk] & (~BAD_BLOCK)) | DISCARD_BLOCK; - /* Add the free block to the L2 Cache block array */ - cache_l2.blk_array[n] = pbt[blk] & (~BAD_BLOCK); - } - - return PASS; -} - -static int erase_l2_cache_blocks(void) -{ - int i, ret = PASS; - u32 pblk, lblk = BAD_BLOCK; - u64 addr; - u32 *pbt = (u32 *)g_pBlockTable; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < BLK_NUM_FOR_L2_CACHE; i++) { - pblk = cache_l2.blk_array[i]; - - /* If the L2 cache block is invalid, then just skip it */ - if (MAX_U32_VALUE == pblk) - continue; - - BUG_ON(pblk > DeviceInfo.wSpectraEndBlock); - - addr = (u64)pblk << DeviceInfo.nBitsInBlockDataSize; - if (PASS == GLOB_FTL_Block_Erase(addr)) { - /* Get logical block number of the erased block */ - lblk = FTL_Get_Block_Index(pblk); - BUG_ON(BAD_BLOCK == lblk); - /* Tag it as free in the block table */ - pbt[lblk] &= (u32)(~DISCARD_BLOCK); - pbt[lblk] |= (u32)(SPARE_BLOCK); - } else { - MARK_BLOCK_AS_BAD(pbt[lblk]); - ret = ERR; - } - } - - return ret; -} - -/* - * Merge the valid data page in the L2 cache blocks into NAND. -*/ -static int flush_l2_cache(void) -{ - struct list_head *p; - struct spectra_l2_cache_list *pnd, *tmp_pnd; - u32 *pbt = (u32 *)g_pBlockTable; - u32 phy_blk, l2_blk; - u64 addr; - u16 l2_page; - int i, ret = PASS; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (list_empty(&cache_l2.table.list)) /* No data to flush */ - return ret; - - //dump_cache_l2_table(); - - if (IN_PROGRESS_BLOCK_TABLE != g_cBlockTableStatus) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - - list_for_each(p, &cache_l2.table.list) { - pnd = list_entry(p, struct spectra_l2_cache_list, list); - if (IS_SPARE_BLOCK(pnd->logical_blk_num) || - IS_BAD_BLOCK(pnd->logical_blk_num) || - IS_DISCARDED_BLOCK(pnd->logical_blk_num)) { - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d\n", __FILE__, __LINE__); - memset(cache_l2_blk_buf, 0xff, DeviceInfo.wPagesPerBlock * DeviceInfo.wPageDataSize); - } else { - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d\n", __FILE__, __LINE__); - phy_blk = pbt[pnd->logical_blk_num] & (~BAD_BLOCK); - ret = GLOB_LLD_Read_Page_Main(cache_l2_blk_buf, - phy_blk, 0, DeviceInfo.wPagesPerBlock); - if (ret == FAIL) { - printk(KERN_ERR "Read NAND page fail in %s, Line %d\n", __FILE__, __LINE__); - } - } - - for (i = 0; i < DeviceInfo.wPagesPerBlock; i++) { - if (pnd->pages_array[i] != MAX_U32_VALUE) { - l2_blk = cache_l2.blk_array[(pnd->pages_array[i] >> 16) & 0xffff]; - l2_page = pnd->pages_array[i] & 0xffff; - ret = GLOB_LLD_Read_Page_Main(cache_l2_page_buf, l2_blk, l2_page, 1); - if (ret == FAIL) { - printk(KERN_ERR "Read NAND page fail in %s, Line %d\n", __FILE__, __LINE__); - } - memcpy(cache_l2_blk_buf + i * DeviceInfo.wPageDataSize, cache_l2_page_buf, DeviceInfo.wPageDataSize); - } - } - - /* Find a free block and tag the original block as discarded */ - addr = (u64)pnd->logical_blk_num << DeviceInfo.nBitsInBlockDataSize; - ret = FTL_Replace_Block(addr); - if (ret == FAIL) { - printk(KERN_ERR "FTL_Replace_Block fail in %s, Line %d\n", __FILE__, __LINE__); - } - - /* Write back the updated data into NAND */ - phy_blk = pbt[pnd->logical_blk_num] & (~BAD_BLOCK); - if (FAIL == GLOB_LLD_Write_Page_Main(cache_l2_blk_buf, phy_blk, 0, DeviceInfo.wPagesPerBlock)) { - nand_dbg_print(NAND_DBG_WARN, - "Program NAND block %d fail in %s, Line %d\n", - phy_blk, __FILE__, __LINE__); - /* This may not be really a bad block. So just tag it as discarded. */ - /* Then it has a chance to be erased when garbage collection. */ - /* If it is really bad, then the erase will fail and it will be marked */ - /* as bad then. Otherwise it will be marked as free and can be used again */ - MARK_BLK_AS_DISCARD(pbt[pnd->logical_blk_num]); - /* Find another free block and write it again */ - FTL_Replace_Block(addr); - phy_blk = pbt[pnd->logical_blk_num] & (~BAD_BLOCK); - if (FAIL == GLOB_LLD_Write_Page_Main(cache_l2_blk_buf, phy_blk, 0, DeviceInfo.wPagesPerBlock)) { - printk(KERN_ERR "Failed to write back block %d when flush L2 cache." - "Some data will be lost!\n", phy_blk); - MARK_BLOCK_AS_BAD(pbt[pnd->logical_blk_num]); - } - } else { - /* tag the new free block as used block */ - pbt[pnd->logical_blk_num] &= (~SPARE_BLOCK); - } - } - - /* Destroy the L2 Cache table and free the memory of all nodes */ - list_for_each_entry_safe(pnd, tmp_pnd, &cache_l2.table.list, list) { - list_del(&pnd->list); - kfree(pnd); - } - - /* Erase discard L2 cache blocks */ - if (erase_l2_cache_blocks() != PASS) - nand_dbg_print(NAND_DBG_WARN, - " Erase L2 cache blocks error in %s, Line %d\n", - __FILE__, __LINE__); - - /* Init the Level2 Cache data structure */ - for (i = 0; i < BLK_NUM_FOR_L2_CACHE; i++) - cache_l2.blk_array[i] = MAX_U32_VALUE; - cache_l2.cur_blk_idx = 0; - cache_l2.cur_page_num = 0; - INIT_LIST_HEAD(&cache_l2.table.list); - cache_l2.table.logical_blk_num = MAX_U32_VALUE; - - return ret; -} - -/* - * Write back a changed victim cache item to the Level2 Cache - * and update the L2 Cache table to map the change. - * If the L2 Cache is full, then start to do the L2 Cache flush. -*/ -static int write_back_to_l2_cache(u8 *buf, u64 logical_addr) -{ - u32 logical_blk_num; - u16 logical_page_num; - struct list_head *p; - struct spectra_l2_cache_list *pnd, *pnd_new; - u32 node_size; - int i, found; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - /* - * If Level2 Cache table is empty, then it means either: - * 1. This is the first time that the function called after FTL_init - * or - * 2. The Level2 Cache has just been flushed - * - * So, 'steal' some free blocks from NAND for L2 Cache using - * by just mask them as discard in the block table - */ - if (list_empty(&cache_l2.table.list)) { - BUG_ON(cache_l2.cur_blk_idx != 0); - BUG_ON(cache_l2.cur_page_num!= 0); - BUG_ON(cache_l2.table.logical_blk_num != MAX_U32_VALUE); - if (FAIL == get_l2_cache_blks()) { - GLOB_FTL_Garbage_Collection(); - if (FAIL == get_l2_cache_blks()) { - printk(KERN_ALERT "Fail to get L2 cache blks!\n"); - return FAIL; - } - } - } - - logical_blk_num = BLK_FROM_ADDR(logical_addr); - logical_page_num = PAGE_FROM_ADDR(logical_addr, logical_blk_num); - BUG_ON(logical_blk_num == MAX_U32_VALUE); - - /* Write the cache item data into the current position of L2 Cache */ -#if CMD_DMA - /* - * TODO - */ -#else - if (FAIL == GLOB_LLD_Write_Page_Main(buf, - cache_l2.blk_array[cache_l2.cur_blk_idx], - cache_l2.cur_page_num, 1)) { - nand_dbg_print(NAND_DBG_WARN, "NAND Program fail in " - "%s, Line %d, new Bad Block %d generated!\n", - __FILE__, __LINE__, - cache_l2.blk_array[cache_l2.cur_blk_idx]); - - /* TODO: tag the current block as bad and try again */ - - return FAIL; - } -#endif - - /* - * Update the L2 Cache table. - * - * First seaching in the table to see whether the logical block - * has been mapped. If not, then kmalloc a new node for the - * logical block, fill data, and then insert it to the list. - * Otherwise, just update the mapped node directly. - */ - found = 0; - list_for_each(p, &cache_l2.table.list) { - pnd = list_entry(p, struct spectra_l2_cache_list, list); - if (pnd->logical_blk_num == logical_blk_num) { - pnd->pages_array[logical_page_num] = - (cache_l2.cur_blk_idx << 16) | - cache_l2.cur_page_num; - found = 1; - break; - } - } - if (!found) { /* Create new node for the logical block here */ - - /* The logical pages to physical pages map array is - * located at the end of struct spectra_l2_cache_list. - */ - node_size = sizeof(struct spectra_l2_cache_list) + - sizeof(u32) * DeviceInfo.wPagesPerBlock; - pnd_new = kmalloc(node_size, GFP_ATOMIC); - if (!pnd_new) { - printk(KERN_ERR "Failed to kmalloc in %s Line %d\n", - __FILE__, __LINE__); - /* - * TODO: Need to flush all the L2 cache into NAND ASAP - * since no memory available here - */ - } - pnd_new->logical_blk_num = logical_blk_num; - for (i = 0; i < DeviceInfo.wPagesPerBlock; i++) - pnd_new->pages_array[i] = MAX_U32_VALUE; - pnd_new->pages_array[logical_page_num] = - (cache_l2.cur_blk_idx << 16) | cache_l2.cur_page_num; - list_add(&pnd_new->list, &cache_l2.table.list); - } - - /* Increasing the current position pointer of the L2 Cache */ - cache_l2.cur_page_num++; - if (cache_l2.cur_page_num >= DeviceInfo.wPagesPerBlock) { - cache_l2.cur_blk_idx++; - if (cache_l2.cur_blk_idx >= BLK_NUM_FOR_L2_CACHE) { - /* The L2 Cache is full. Need to flush it now */ - nand_dbg_print(NAND_DBG_WARN, - "L2 Cache is full, will start to flush it\n"); - flush_l2_cache(); - } else { - cache_l2.cur_page_num = 0; - } - } - - return PASS; -} - -/* - * Search in the Level2 Cache table to find the cache item. - * If find, read the data from the NAND page of L2 Cache, - * Otherwise, return FAIL. - */ -static int search_l2_cache(u8 *buf, u64 logical_addr) -{ - u32 logical_blk_num; - u16 logical_page_num; - struct list_head *p; - struct spectra_l2_cache_list *pnd; - u32 tmp = MAX_U32_VALUE; - u32 phy_blk; - u16 phy_page; - int ret = FAIL; - - logical_blk_num = BLK_FROM_ADDR(logical_addr); - logical_page_num = PAGE_FROM_ADDR(logical_addr, logical_blk_num); - - list_for_each(p, &cache_l2.table.list) { - pnd = list_entry(p, struct spectra_l2_cache_list, list); - if (pnd->logical_blk_num == logical_blk_num) { - tmp = pnd->pages_array[logical_page_num]; - break; - } - } - - if (tmp != MAX_U32_VALUE) { /* Found valid map */ - phy_blk = cache_l2.blk_array[(tmp >> 16) & 0xFFFF]; - phy_page = tmp & 0xFFFF; -#if CMD_DMA - /* TODO */ -#else - ret = GLOB_LLD_Read_Page_Main(buf, phy_blk, phy_page, 1); -#endif - } - - return ret; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Cache_Write_Page -* Inputs: Pointer to buffer, page address, cache block number -* Outputs: PASS=0 / FAIL=1 -* Description: It writes the data in Cache Block -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static void FTL_Cache_Write_Page(u8 *pData, u64 page_addr, - u8 cache_blk, u16 flag) -{ - u8 *pDest; - u64 addr; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - addr = Cache.array[cache_blk].address; - pDest = Cache.array[cache_blk].buf; - - pDest += (unsigned long)(page_addr - addr); - Cache.array[cache_blk].changed = SET; -#if CMD_DMA -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - int_cache[ftl_cmd_cnt].item = cache_blk; - int_cache[ftl_cmd_cnt].cache.address = - Cache.array[cache_blk].address; - int_cache[ftl_cmd_cnt].cache.changed = - Cache.array[cache_blk].changed; -#endif - GLOB_LLD_MemCopy_CMD(pDest, pData, DeviceInfo.wPageDataSize, flag); - ftl_cmd_cnt++; -#else - memcpy(pDest, pData, DeviceInfo.wPageDataSize); -#endif - if (Cache.array[cache_blk].use_cnt < MAX_WORD_VALUE) - Cache.array[cache_blk].use_cnt++; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Cache_Write -* Inputs: none -* Outputs: PASS=0 / FAIL=1 -* Description: It writes least frequently used Cache block to flash if it -* has been changed -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Cache_Write(void) -{ - int i, bResult = PASS; - u16 bNO, least_count = 0xFFFF; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - FTL_Calculate_LRU(); - - bNO = Cache.LRU; - nand_dbg_print(NAND_DBG_DEBUG, "FTL_Cache_Write: " - "Least used cache block is %d\n", bNO); - - if (Cache.array[bNO].changed != SET) - return bResult; - - nand_dbg_print(NAND_DBG_DEBUG, "FTL_Cache_Write: Cache" - " Block %d containing logical block %d is dirty\n", - bNO, - (u32)(Cache.array[bNO].address >> - DeviceInfo.nBitsInBlockDataSize)); -#if CMD_DMA -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - int_cache[ftl_cmd_cnt].item = bNO; - int_cache[ftl_cmd_cnt].cache.address = - Cache.array[bNO].address; - int_cache[ftl_cmd_cnt].cache.changed = CLEAR; -#endif -#endif - bResult = write_back_to_l2_cache(Cache.array[bNO].buf, - Cache.array[bNO].address); - if (bResult != ERR) - Cache.array[bNO].changed = CLEAR; - - least_count = Cache.array[bNO].use_cnt; - - for (i = 0; i < CACHE_ITEM_NUM; i++) { - if (i == bNO) - continue; - if (Cache.array[i].use_cnt > 0) - Cache.array[i].use_cnt -= least_count; - } - - return bResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Cache_Read -* Inputs: Page address -* Outputs: PASS=0 / FAIL=1 -* Description: It reads the block from device in Cache Block -* Set the LRU count to 1 -* Mark the Cache Block as clean -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Cache_Read(u64 logical_addr) -{ - u64 item_addr, phy_addr; - u16 num; - int ret; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - num = Cache.LRU; /* The LRU cache item will be overwritten */ - - item_addr = (u64)GLOB_u64_Div(logical_addr, Cache.cache_item_size) * - Cache.cache_item_size; - Cache.array[num].address = item_addr; - Cache.array[num].use_cnt = 1; - Cache.array[num].changed = CLEAR; - -#if CMD_DMA -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - int_cache[ftl_cmd_cnt].item = num; - int_cache[ftl_cmd_cnt].cache.address = - Cache.array[num].address; - int_cache[ftl_cmd_cnt].cache.changed = - Cache.array[num].changed; -#endif -#endif - /* - * Search in L2 Cache. If hit, fill data into L1 Cache item buffer, - * Otherwise, read it from NAND - */ - ret = search_l2_cache(Cache.array[num].buf, logical_addr); - if (PASS == ret) /* Hit in L2 Cache */ - return ret; - - /* Compute the physical start address of NAND device according to */ - /* the logical start address of the cache item (LRU cache item) */ - phy_addr = FTL_Get_Physical_Block_Addr(item_addr) + - GLOB_u64_Remainder(item_addr, 2); - - return FTL_Cache_Read_All(Cache.array[num].buf, phy_addr); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Check_Block_Table -* Inputs: ? -* Outputs: PASS=0 / FAIL=1 -* Description: It checks the correctness of each block table entry -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Check_Block_Table(int wOldTable) -{ - u32 i; - int wResult = PASS; - u32 blk_idx; - u32 *pbt = (u32 *)g_pBlockTable; - u8 *pFlag = flag_check_blk_table; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (NULL != pFlag) { - memset(pFlag, FAIL, DeviceInfo.wDataBlockNum); - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - blk_idx = (u32)(pbt[i] & (~BAD_BLOCK)); - - /* - * 20081006/KBV - Changed to pFlag[i] reference - * to avoid buffer overflow - */ - - /* - * 2008-10-20 Yunpeng Note: This change avoid - * buffer overflow, but changed function of - * the code, so it should be re-write later - */ - if ((blk_idx > DeviceInfo.wSpectraEndBlock) || - PASS == pFlag[i]) { - wResult = FAIL; - break; - } else { - pFlag[i] = PASS; - } - } - } - - return wResult; -} - - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Write_Block_Table -* Inputs: flasg -* Outputs: 0=Block Table was updated. No write done. 1=Block write needs to -* happen. -1 Error -* Description: It writes the block table -* Block table always mapped to LBA 0 which inturn mapped -* to any physical block -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Write_Block_Table(int wForce) -{ - u32 *pbt = (u32 *)g_pBlockTable; - int wSuccess = PASS; - u32 wTempBlockTableIndex; - u16 bt_pages, new_bt_offset; - u8 blockchangeoccured = 0; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - bt_pages = FTL_Get_Block_Table_Flash_Size_Pages(); - - if (IN_PROGRESS_BLOCK_TABLE != g_cBlockTableStatus) - return 0; - - if (PASS == wForce) { - g_wBlockTableOffset = - (u16)(DeviceInfo.wPagesPerBlock - bt_pages); -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = ftl_cmd_cnt; - p_BTableChangesDelta->g_wBlockTableOffset = - g_wBlockTableOffset; - p_BTableChangesDelta->ValidFields = 0x01; -#endif - } - - nand_dbg_print(NAND_DBG_DEBUG, - "Inside FTL_Write_Block_Table: block %d Page:%d\n", - g_wBlockTableIndex, g_wBlockTableOffset); - - do { - new_bt_offset = g_wBlockTableOffset + bt_pages + 1; - if ((0 == (new_bt_offset % DeviceInfo.wPagesPerBlock)) || - (new_bt_offset > DeviceInfo.wPagesPerBlock) || - (FAIL == wSuccess)) { - wTempBlockTableIndex = FTL_Replace_Block_Table(); - if (BAD_BLOCK == wTempBlockTableIndex) - return ERR; - if (!blockchangeoccured) { - bt_block_changed = 1; - blockchangeoccured = 1; - } - - g_wBlockTableIndex = wTempBlockTableIndex; - g_wBlockTableOffset = 0; - pbt[BLOCK_TABLE_INDEX] = g_wBlockTableIndex; -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->g_wBlockTableOffset = - g_wBlockTableOffset; - p_BTableChangesDelta->g_wBlockTableIndex = - g_wBlockTableIndex; - p_BTableChangesDelta->ValidFields = 0x03; - - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += - sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = - BLOCK_TABLE_INDEX; - p_BTableChangesDelta->BT_Entry_Value = - pbt[BLOCK_TABLE_INDEX]; - p_BTableChangesDelta->ValidFields = 0x0C; -#endif - } - - wSuccess = FTL_Write_Block_Table_Data(); - if (FAIL == wSuccess) - MARK_BLOCK_AS_BAD(pbt[BLOCK_TABLE_INDEX]); - } while (FAIL == wSuccess); - - g_cBlockTableStatus = CURRENT_BLOCK_TABLE; - - return 1; -} - -static int force_format_nand(void) -{ - u32 i; - - /* Force erase the whole unprotected physical partiton of NAND */ - printk(KERN_ALERT "Start to force erase whole NAND device ...\n"); - printk(KERN_ALERT "From phyical block %d to %d\n", - DeviceInfo.wSpectraStartBlock, DeviceInfo.wSpectraEndBlock); - for (i = DeviceInfo.wSpectraStartBlock; i <= DeviceInfo.wSpectraEndBlock; i++) { - if (GLOB_LLD_Erase_Block(i)) - printk(KERN_ERR "Failed to force erase NAND block %d\n", i); - } - printk(KERN_ALERT "Force Erase ends. Please reboot the system ...\n"); - while(1); - - return PASS; -} - -int GLOB_FTL_Flash_Format(void) -{ - //return FTL_Format_Flash(1); - return force_format_nand(); - -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Search_Block_Table_IN_Block -* Inputs: Block Number -* Pointer to page -* Outputs: PASS / FAIL -* Page contatining the block table -* Description: It searches the block table in the block -* passed as an argument. -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Search_Block_Table_IN_Block(u32 BT_Block, - u8 BT_Tag, u16 *Page) -{ - u16 i, j, k; - u16 Result = PASS; - u16 Last_IPF = 0; - u8 BT_Found = 0; - u8 *tagarray; - u8 *tempbuf = tmp_buf_search_bt_in_block; - u8 *pSpareBuf = spare_buf_search_bt_in_block; - u8 *pSpareBufBTLastPage = spare_buf_bt_search_bt_in_block; - u8 bt_flag_last_page = 0xFF; - u8 search_in_previous_pages = 0; - u16 bt_pages; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - nand_dbg_print(NAND_DBG_DEBUG, - "Searching block table in %u block\n", - (unsigned int)BT_Block); - - bt_pages = FTL_Get_Block_Table_Flash_Size_Pages(); - - for (i = bt_pages; i < DeviceInfo.wPagesPerBlock; - i += (bt_pages + 1)) { - nand_dbg_print(NAND_DBG_DEBUG, - "Searching last IPF: %d\n", i); - Result = GLOB_LLD_Read_Page_Main_Polling(tempbuf, - BT_Block, i, 1); - - if (0 == memcmp(tempbuf, g_pIPF, DeviceInfo.wPageDataSize)) { - if ((i + bt_pages + 1) < DeviceInfo.wPagesPerBlock) { - continue; - } else { - search_in_previous_pages = 1; - Last_IPF = i; - } - } - - if (!search_in_previous_pages) { - if (i != bt_pages) { - i -= (bt_pages + 1); - Last_IPF = i; - } - } - - if (0 == Last_IPF) - break; - - if (!search_in_previous_pages) { - i = i + 1; - nand_dbg_print(NAND_DBG_DEBUG, - "Reading the spare area of Block %u Page %u", - (unsigned int)BT_Block, i); - Result = GLOB_LLD_Read_Page_Spare(pSpareBuf, - BT_Block, i, 1); - nand_dbg_print(NAND_DBG_DEBUG, - "Reading the spare area of Block %u Page %u", - (unsigned int)BT_Block, i + bt_pages - 1); - Result = GLOB_LLD_Read_Page_Spare(pSpareBufBTLastPage, - BT_Block, i + bt_pages - 1, 1); - - k = 0; - j = FTL_Extract_Block_Table_Tag(pSpareBuf, &tagarray); - if (j) { - for (; k < j; k++) { - if (tagarray[k] == BT_Tag) - break; - } - } - - if (k < j) - bt_flag = tagarray[k]; - else - Result = FAIL; - - if (Result == PASS) { - k = 0; - j = FTL_Extract_Block_Table_Tag( - pSpareBufBTLastPage, &tagarray); - if (j) { - for (; k < j; k++) { - if (tagarray[k] == BT_Tag) - break; - } - } - - if (k < j) - bt_flag_last_page = tagarray[k]; - else - Result = FAIL; - - if (Result == PASS) { - if (bt_flag == bt_flag_last_page) { - nand_dbg_print(NAND_DBG_DEBUG, - "Block table is found" - " in page after IPF " - "at block %d " - "page %d\n", - (int)BT_Block, i); - BT_Found = 1; - *Page = i; - g_cBlockTableStatus = - CURRENT_BLOCK_TABLE; - break; - } else { - Result = FAIL; - } - } - } - } - - if (search_in_previous_pages) - i = i - bt_pages; - else - i = i - (bt_pages + 1); - - Result = PASS; - - nand_dbg_print(NAND_DBG_DEBUG, - "Reading the spare area of Block %d Page %d", - (int)BT_Block, i); - - Result = GLOB_LLD_Read_Page_Spare(pSpareBuf, BT_Block, i, 1); - nand_dbg_print(NAND_DBG_DEBUG, - "Reading the spare area of Block %u Page %u", - (unsigned int)BT_Block, i + bt_pages - 1); - - Result = GLOB_LLD_Read_Page_Spare(pSpareBufBTLastPage, - BT_Block, i + bt_pages - 1, 1); - - k = 0; - j = FTL_Extract_Block_Table_Tag(pSpareBuf, &tagarray); - if (j) { - for (; k < j; k++) { - if (tagarray[k] == BT_Tag) - break; - } - } - - if (k < j) - bt_flag = tagarray[k]; - else - Result = FAIL; - - if (Result == PASS) { - k = 0; - j = FTL_Extract_Block_Table_Tag(pSpareBufBTLastPage, - &tagarray); - if (j) { - for (; k < j; k++) { - if (tagarray[k] == BT_Tag) - break; - } - } - - if (k < j) { - bt_flag_last_page = tagarray[k]; - } else { - Result = FAIL; - break; - } - - if (Result == PASS) { - if (bt_flag == bt_flag_last_page) { - nand_dbg_print(NAND_DBG_DEBUG, - "Block table is found " - "in page prior to IPF " - "at block %u page %d\n", - (unsigned int)BT_Block, i); - BT_Found = 1; - *Page = i; - g_cBlockTableStatus = - IN_PROGRESS_BLOCK_TABLE; - break; - } else { - Result = FAIL; - break; - } - } - } - } - - if (Result == FAIL) { - if ((Last_IPF > bt_pages) && (i < Last_IPF) && (!BT_Found)) { - BT_Found = 1; - *Page = i - (bt_pages + 1); - } - if ((Last_IPF == bt_pages) && (i < Last_IPF) && (!BT_Found)) - goto func_return; - } - - if (Last_IPF == 0) { - i = 0; - Result = PASS; - nand_dbg_print(NAND_DBG_DEBUG, "Reading the spare area of " - "Block %u Page %u", (unsigned int)BT_Block, i); - - Result = GLOB_LLD_Read_Page_Spare(pSpareBuf, BT_Block, i, 1); - nand_dbg_print(NAND_DBG_DEBUG, - "Reading the spare area of Block %u Page %u", - (unsigned int)BT_Block, i + bt_pages - 1); - Result = GLOB_LLD_Read_Page_Spare(pSpareBufBTLastPage, - BT_Block, i + bt_pages - 1, 1); - - k = 0; - j = FTL_Extract_Block_Table_Tag(pSpareBuf, &tagarray); - if (j) { - for (; k < j; k++) { - if (tagarray[k] == BT_Tag) - break; - } - } - - if (k < j) - bt_flag = tagarray[k]; - else - Result = FAIL; - - if (Result == PASS) { - k = 0; - j = FTL_Extract_Block_Table_Tag(pSpareBufBTLastPage, - &tagarray); - if (j) { - for (; k < j; k++) { - if (tagarray[k] == BT_Tag) - break; - } - } - - if (k < j) - bt_flag_last_page = tagarray[k]; - else - Result = FAIL; - - if (Result == PASS) { - if (bt_flag == bt_flag_last_page) { - nand_dbg_print(NAND_DBG_DEBUG, - "Block table is found " - "in page after IPF at " - "block %u page %u\n", - (unsigned int)BT_Block, - (unsigned int)i); - BT_Found = 1; - *Page = i; - g_cBlockTableStatus = - CURRENT_BLOCK_TABLE; - goto func_return; - } else { - Result = FAIL; - } - } - } - - if (Result == FAIL) - goto func_return; - } -func_return: - return Result; -} - -u8 *get_blk_table_start_addr(void) -{ - return g_pBlockTable; -} - -unsigned long get_blk_table_len(void) -{ - return DeviceInfo.wDataBlockNum * sizeof(u32); -} - -u8 *get_wear_leveling_table_start_addr(void) -{ - return g_pWearCounter; -} - -unsigned long get_wear_leveling_table_len(void) -{ - return DeviceInfo.wDataBlockNum * sizeof(u8); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Read_Block_Table -* Inputs: none -* Outputs: PASS / FAIL -* Description: read the flash spare area and find a block containing the -* most recent block table(having largest block_table_counter). -* Find the last written Block table in this block. -* Check the correctness of Block Table -* If CDMA is enabled, this function is called in -* polling mode. -* We don't need to store changes in Block table in this -* function as it is called only at initialization -* -* Note: Currently this function is called at initialization -* before any read/erase/write command issued to flash so, -* there is no need to wait for CDMA list to complete as of now -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Read_Block_Table(void) -{ - u16 i = 0; - int k, j; - u8 *tempBuf, *tagarray; - int wResult = FAIL; - int status = FAIL; - u8 block_table_found = 0; - int search_result; - u32 Block; - u16 Page = 0; - u16 PageCount; - u16 bt_pages; - int wBytesCopied = 0, tempvar; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - tempBuf = tmp_buf1_read_blk_table; - bt_pages = FTL_Get_Block_Table_Flash_Size_Pages(); - - for (j = DeviceInfo.wSpectraStartBlock; - j <= (int)DeviceInfo.wSpectraEndBlock; - j++) { - status = GLOB_LLD_Read_Page_Spare(tempBuf, j, 0, 1); - k = 0; - i = FTL_Extract_Block_Table_Tag(tempBuf, &tagarray); - if (i) { - status = GLOB_LLD_Read_Page_Main_Polling(tempBuf, - j, 0, 1); - for (; k < i; k++) { - if (tagarray[k] == tempBuf[3]) - break; - } - } - - if (k < i) - k = tagarray[k]; - else - continue; - - nand_dbg_print(NAND_DBG_DEBUG, - "Block table is contained in Block %d %d\n", - (unsigned int)j, (unsigned int)k); - - if (g_pBTBlocks[k-FIRST_BT_ID] == BTBLOCK_INVAL) { - g_pBTBlocks[k-FIRST_BT_ID] = j; - block_table_found = 1; - } else { - printk(KERN_ERR "FTL_Read_Block_Table -" - "This should never happens. " - "Two block table have same counter %u!\n", k); - } - } - - if (block_table_found) { - if (g_pBTBlocks[FIRST_BT_ID - FIRST_BT_ID] != BTBLOCK_INVAL && - g_pBTBlocks[LAST_BT_ID - FIRST_BT_ID] != BTBLOCK_INVAL) { - j = LAST_BT_ID; - while ((j > FIRST_BT_ID) && - (g_pBTBlocks[j - FIRST_BT_ID] != BTBLOCK_INVAL)) - j--; - if (j == FIRST_BT_ID) { - j = LAST_BT_ID; - last_erased = LAST_BT_ID; - } else { - last_erased = (u8)j + 1; - while ((j > FIRST_BT_ID) && (BTBLOCK_INVAL == - g_pBTBlocks[j - FIRST_BT_ID])) - j--; - } - } else { - j = FIRST_BT_ID; - while (g_pBTBlocks[j - FIRST_BT_ID] == BTBLOCK_INVAL) - j++; - last_erased = (u8)j; - while ((j < LAST_BT_ID) && (BTBLOCK_INVAL != - g_pBTBlocks[j - FIRST_BT_ID])) - j++; - if (g_pBTBlocks[j-FIRST_BT_ID] == BTBLOCK_INVAL) - j--; - } - - if (last_erased > j) - j += (1 + LAST_BT_ID - FIRST_BT_ID); - - for (; (j >= last_erased) && (FAIL == wResult); j--) { - i = (j - FIRST_BT_ID) % - (1 + LAST_BT_ID - FIRST_BT_ID); - search_result = - FTL_Search_Block_Table_IN_Block(g_pBTBlocks[i], - i + FIRST_BT_ID, &Page); - if (g_cBlockTableStatus == IN_PROGRESS_BLOCK_TABLE) - block_table_found = 0; - - while ((search_result == PASS) && (FAIL == wResult)) { - nand_dbg_print(NAND_DBG_DEBUG, - "FTL_Read_Block_Table:" - "Block: %u Page: %u " - "contains block table\n", - (unsigned int)g_pBTBlocks[i], - (unsigned int)Page); - - tempBuf = tmp_buf2_read_blk_table; - - for (k = 0; k < bt_pages; k++) { - Block = g_pBTBlocks[i]; - PageCount = 1; - - status = - GLOB_LLD_Read_Page_Main_Polling( - tempBuf, Block, Page, PageCount); - - tempvar = k ? 0 : 4; - - wBytesCopied += - FTL_Copy_Block_Table_From_Flash( - tempBuf + tempvar, - DeviceInfo.wPageDataSize - tempvar, - wBytesCopied); - - Page++; - } - - wResult = FTL_Check_Block_Table(FAIL); - if (FAIL == wResult) { - block_table_found = 0; - if (Page > bt_pages) - Page -= ((bt_pages<<1) + 1); - else - search_result = FAIL; - } - } - } - } - - if (PASS == wResult) { - if (!block_table_found) - FTL_Execute_SPL_Recovery(); - - if (g_cBlockTableStatus == IN_PROGRESS_BLOCK_TABLE) - g_wBlockTableOffset = (u16)Page + 1; - else - g_wBlockTableOffset = (u16)Page - bt_pages; - - g_wBlockTableIndex = (u32)g_pBTBlocks[i]; - -#if CMD_DMA - if (DeviceInfo.MLCDevice) - memcpy(g_pBTStartingCopy, g_pBlockTable, - DeviceInfo.wDataBlockNum * sizeof(u32) - + DeviceInfo.wDataBlockNum * sizeof(u8) - + DeviceInfo.wDataBlockNum * sizeof(u16)); - else - memcpy(g_pBTStartingCopy, g_pBlockTable, - DeviceInfo.wDataBlockNum * sizeof(u32) - + DeviceInfo.wDataBlockNum * sizeof(u8)); -#endif - } - - if (FAIL == wResult) - printk(KERN_ERR "Yunpeng - " - "Can not find valid spectra block table!\n"); - -#if AUTO_FORMAT_FLASH - if (FAIL == wResult) { - nand_dbg_print(NAND_DBG_DEBUG, "doing auto-format\n"); - wResult = FTL_Format_Flash(0); - } -#endif - - return wResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Get_Page_Num -* Inputs: Size in bytes -* Outputs: Size in pages -* Description: It calculates the pages required for the length passed -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u32 FTL_Get_Page_Num(u64 length) -{ - return (u32)((length >> DeviceInfo.nBitsInPageDataSize) + - (GLOB_u64_Remainder(length , 1) > 0 ? 1 : 0)); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Get_Physical_Block_Addr -* Inputs: Block Address (byte format) -* Outputs: Physical address of the block. -* Description: It translates LBA to PBA by returning address stored -* at the LBA location in the block table -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u64 FTL_Get_Physical_Block_Addr(u64 logical_addr) -{ - u32 *pbt; - u64 physical_addr; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - pbt = (u32 *)g_pBlockTable; - physical_addr = (u64) DeviceInfo.wBlockDataSize * - (pbt[BLK_FROM_ADDR(logical_addr)] & (~BAD_BLOCK)); - - return physical_addr; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Get_Block_Index -* Inputs: Physical Block no. -* Outputs: Logical block no. /BAD_BLOCK -* Description: It returns the logical block no. for the PBA passed -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u32 FTL_Get_Block_Index(u32 wBlockNum) -{ - u32 *pbt = (u32 *)g_pBlockTable; - u32 i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) - if (wBlockNum == (pbt[i] & (~BAD_BLOCK))) - return i; - - return BAD_BLOCK; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Wear_Leveling -* Inputs: none -* Outputs: PASS=0 -* Description: This is static wear leveling (done by explicit call) -* do complete static wear leveling -* do complete garbage collection -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Wear_Leveling(void) -{ - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - FTL_Static_Wear_Leveling(); - GLOB_FTL_Garbage_Collection(); - - return PASS; -} - -static void find_least_most_worn(u8 *chg, - u32 *least_idx, u8 *least_cnt, - u32 *most_idx, u8 *most_cnt) -{ - u32 *pbt = (u32 *)g_pBlockTable; - u32 idx; - u8 cnt; - int i; - - for (i = BLOCK_TABLE_INDEX + 1; i < DeviceInfo.wDataBlockNum; i++) { - if (IS_BAD_BLOCK(i) || PASS == chg[i]) - continue; - - idx = (u32) ((~BAD_BLOCK) & pbt[i]); - cnt = g_pWearCounter[idx - DeviceInfo.wSpectraStartBlock]; - - if (IS_SPARE_BLOCK(i)) { - if (cnt > *most_cnt) { - *most_cnt = cnt; - *most_idx = idx; - } - } - - if (IS_DATA_BLOCK(i)) { - if (cnt < *least_cnt) { - *least_cnt = cnt; - *least_idx = idx; - } - } - - if (PASS == chg[*most_idx] || PASS == chg[*least_idx]) { - debug_boundary_error(*most_idx, - DeviceInfo.wDataBlockNum, 0); - debug_boundary_error(*least_idx, - DeviceInfo.wDataBlockNum, 0); - continue; - } - } -} - -static int move_blks_for_wear_leveling(u8 *chg, - u32 *least_idx, u32 *rep_blk_num, int *result) -{ - u32 *pbt = (u32 *)g_pBlockTable; - u32 rep_blk; - int j, ret_cp_blk, ret_erase; - int ret = PASS; - - chg[*least_idx] = PASS; - debug_boundary_error(*least_idx, DeviceInfo.wDataBlockNum, 0); - - rep_blk = FTL_Replace_MWBlock(); - if (rep_blk != BAD_BLOCK) { - nand_dbg_print(NAND_DBG_DEBUG, - "More than two spare blocks exist so do it\n"); - nand_dbg_print(NAND_DBG_DEBUG, "Block Replaced is %d\n", - rep_blk); - - chg[rep_blk] = PASS; - - if (IN_PROGRESS_BLOCK_TABLE != g_cBlockTableStatus) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - - for (j = 0; j < RETRY_TIMES; j++) { - ret_cp_blk = FTL_Copy_Block((u64)(*least_idx) * - DeviceInfo.wBlockDataSize, - (u64)rep_blk * DeviceInfo.wBlockDataSize); - if (FAIL == ret_cp_blk) { - ret_erase = GLOB_FTL_Block_Erase((u64)rep_blk - * DeviceInfo.wBlockDataSize); - if (FAIL == ret_erase) - MARK_BLOCK_AS_BAD(pbt[rep_blk]); - } else { - nand_dbg_print(NAND_DBG_DEBUG, - "FTL_Copy_Block == OK\n"); - break; - } - } - - if (j < RETRY_TIMES) { - u32 tmp; - u32 old_idx = FTL_Get_Block_Index(*least_idx); - u32 rep_idx = FTL_Get_Block_Index(rep_blk); - tmp = (u32)(DISCARD_BLOCK | pbt[old_idx]); - pbt[old_idx] = (u32)((~SPARE_BLOCK) & - pbt[rep_idx]); - pbt[rep_idx] = tmp; -#if CMD_DMA - p_BTableChangesDelta = (struct BTableChangesDelta *) - g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = old_idx; - p_BTableChangesDelta->BT_Entry_Value = pbt[old_idx]; - p_BTableChangesDelta->ValidFields = 0x0C; - - p_BTableChangesDelta = (struct BTableChangesDelta *) - g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = rep_idx; - p_BTableChangesDelta->BT_Entry_Value = pbt[rep_idx]; - p_BTableChangesDelta->ValidFields = 0x0C; -#endif - } else { - pbt[FTL_Get_Block_Index(rep_blk)] |= BAD_BLOCK; -#if CMD_DMA - p_BTableChangesDelta = (struct BTableChangesDelta *) - g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = - FTL_Get_Block_Index(rep_blk); - p_BTableChangesDelta->BT_Entry_Value = - pbt[FTL_Get_Block_Index(rep_blk)]; - p_BTableChangesDelta->ValidFields = 0x0C; -#endif - *result = FAIL; - ret = FAIL; - } - - if (((*rep_blk_num)++) > WEAR_LEVELING_BLOCK_NUM) - ret = FAIL; - } else { - printk(KERN_ERR "Less than 3 spare blocks exist so quit\n"); - ret = FAIL; - } - - return ret; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Static_Wear_Leveling -* Inputs: none -* Outputs: PASS=0 / FAIL=1 -* Description: This is static wear leveling (done by explicit call) -* search for most&least used -* if difference < GATE: -* update the block table with exhange -* mark block table in flash as IN_PROGRESS -* copy flash block -* the caller should handle GC clean up after calling this function -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int FTL_Static_Wear_Leveling(void) -{ - u8 most_worn_cnt; - u8 least_worn_cnt; - u32 most_worn_idx; - u32 least_worn_idx; - int result = PASS; - int go_on = PASS; - u32 replaced_blks = 0; - u8 *chang_flag = flags_static_wear_leveling; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (!chang_flag) - return FAIL; - - memset(chang_flag, FAIL, DeviceInfo.wDataBlockNum); - while (go_on == PASS) { - nand_dbg_print(NAND_DBG_DEBUG, - "starting static wear leveling\n"); - most_worn_cnt = 0; - least_worn_cnt = 0xFF; - least_worn_idx = BLOCK_TABLE_INDEX; - most_worn_idx = BLOCK_TABLE_INDEX; - - find_least_most_worn(chang_flag, &least_worn_idx, - &least_worn_cnt, &most_worn_idx, &most_worn_cnt); - - nand_dbg_print(NAND_DBG_DEBUG, - "Used and least worn is block %u, whos count is %u\n", - (unsigned int)least_worn_idx, - (unsigned int)least_worn_cnt); - - nand_dbg_print(NAND_DBG_DEBUG, - "Free and most worn is block %u, whos count is %u\n", - (unsigned int)most_worn_idx, - (unsigned int)most_worn_cnt); - - if ((most_worn_cnt > least_worn_cnt) && - (most_worn_cnt - least_worn_cnt > WEAR_LEVELING_GATE)) - go_on = move_blks_for_wear_leveling(chang_flag, - &least_worn_idx, &replaced_blks, &result); - else - go_on = FAIL; - } - - return result; -} - -#if CMD_DMA -static int do_garbage_collection(u32 discard_cnt) -{ - u32 *pbt = (u32 *)g_pBlockTable; - u32 pba; - u8 bt_block_erased = 0; - int i, cnt, ret = FAIL; - u64 addr; - - i = 0; - while ((i < DeviceInfo.wDataBlockNum) && (discard_cnt > 0) && - ((ftl_cmd_cnt + 28) < 256)) { - if (((pbt[i] & BAD_BLOCK) != BAD_BLOCK) && - (pbt[i] & DISCARD_BLOCK)) { - if (IN_PROGRESS_BLOCK_TABLE != g_cBlockTableStatus) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - - addr = FTL_Get_Physical_Block_Addr((u64)i * - DeviceInfo.wBlockDataSize); - pba = BLK_FROM_ADDR(addr); - - for (cnt = FIRST_BT_ID; cnt <= LAST_BT_ID; cnt++) { - if (pba == g_pBTBlocks[cnt - FIRST_BT_ID]) { - nand_dbg_print(NAND_DBG_DEBUG, - "GC will erase BT block %u\n", - (unsigned int)pba); - discard_cnt--; - i++; - bt_block_erased = 1; - break; - } - } - - if (bt_block_erased) { - bt_block_erased = 0; - continue; - } - - addr = FTL_Get_Physical_Block_Addr((u64)i * - DeviceInfo.wBlockDataSize); - - if (PASS == GLOB_FTL_Block_Erase(addr)) { - pbt[i] &= (u32)(~DISCARD_BLOCK); - pbt[i] |= (u32)(SPARE_BLOCK); - p_BTableChangesDelta = - (struct BTableChangesDelta *) - g_pBTDelta_Free; - g_pBTDelta_Free += - sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt - 1; - p_BTableChangesDelta->BT_Index = i; - p_BTableChangesDelta->BT_Entry_Value = pbt[i]; - p_BTableChangesDelta->ValidFields = 0x0C; - discard_cnt--; - ret = PASS; - } else { - MARK_BLOCK_AS_BAD(pbt[i]); - } - } - - i++; - } - - return ret; -} - -#else -static int do_garbage_collection(u32 discard_cnt) -{ - u32 *pbt = (u32 *)g_pBlockTable; - u32 pba; - u8 bt_block_erased = 0; - int i, cnt, ret = FAIL; - u64 addr; - - i = 0; - while ((i < DeviceInfo.wDataBlockNum) && (discard_cnt > 0)) { - if (((pbt[i] & BAD_BLOCK) != BAD_BLOCK) && - (pbt[i] & DISCARD_BLOCK)) { - if (IN_PROGRESS_BLOCK_TABLE != g_cBlockTableStatus) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - - addr = FTL_Get_Physical_Block_Addr((u64)i * - DeviceInfo.wBlockDataSize); - pba = BLK_FROM_ADDR(addr); - - for (cnt = FIRST_BT_ID; cnt <= LAST_BT_ID; cnt++) { - if (pba == g_pBTBlocks[cnt - FIRST_BT_ID]) { - nand_dbg_print(NAND_DBG_DEBUG, - "GC will erase BT block %d\n", - pba); - discard_cnt--; - i++; - bt_block_erased = 1; - break; - } - } - - if (bt_block_erased) { - bt_block_erased = 0; - continue; - } - - /* If the discard block is L2 cache block, then just skip it */ - for (cnt = 0; cnt < BLK_NUM_FOR_L2_CACHE; cnt++) { - if (cache_l2.blk_array[cnt] == pba) { - nand_dbg_print(NAND_DBG_DEBUG, - "GC will erase L2 cache blk %d\n", - pba); - break; - } - } - if (cnt < BLK_NUM_FOR_L2_CACHE) { /* Skip it */ - discard_cnt--; - i++; - continue; - } - - addr = FTL_Get_Physical_Block_Addr((u64)i * - DeviceInfo.wBlockDataSize); - - if (PASS == GLOB_FTL_Block_Erase(addr)) { - pbt[i] &= (u32)(~DISCARD_BLOCK); - pbt[i] |= (u32)(SPARE_BLOCK); - discard_cnt--; - ret = PASS; - } else { - MARK_BLOCK_AS_BAD(pbt[i]); - } - } - - i++; - } - - return ret; -} -#endif - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Garbage_Collection -* Inputs: none -* Outputs: PASS / FAIL (returns the number of un-erased blocks -* Description: search the block table for all discarded blocks to erase -* for each discarded block: -* set the flash block to IN_PROGRESS -* erase the block -* update the block table -* write the block table to flash -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Garbage_Collection(void) -{ - u32 i; - u32 wDiscard = 0; - int wResult = FAIL; - u32 *pbt = (u32 *)g_pBlockTable; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (GC_Called) { - printk(KERN_ALERT "GLOB_FTL_Garbage_Collection() " - "has been re-entered! Exit.\n"); - return PASS; - } - - GC_Called = 1; - - GLOB_FTL_BT_Garbage_Collection(); - - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - if (IS_DISCARDED_BLOCK(i)) - wDiscard++; - } - - if (wDiscard <= 0) { - GC_Called = 0; - return wResult; - } - - nand_dbg_print(NAND_DBG_DEBUG, - "Found %d discarded blocks\n", wDiscard); - - FTL_Write_Block_Table(FAIL); - - wResult = do_garbage_collection(wDiscard); - - FTL_Write_Block_Table(FAIL); - - GC_Called = 0; - - return wResult; -} - - -#if CMD_DMA -static int do_bt_garbage_collection(void) -{ - u32 pba, lba; - u32 *pbt = (u32 *)g_pBlockTable; - u32 *pBTBlocksNode = (u32 *)g_pBTBlocks; - u64 addr; - int i, ret = FAIL; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (BT_GC_Called) - return PASS; - - BT_GC_Called = 1; - - for (i = last_erased; (i <= LAST_BT_ID) && - (g_pBTBlocks[((i + 2) % (1 + LAST_BT_ID - FIRST_BT_ID)) + - FIRST_BT_ID - FIRST_BT_ID] != BTBLOCK_INVAL) && - ((ftl_cmd_cnt + 28)) < 256; i++) { - pba = pBTBlocksNode[i - FIRST_BT_ID]; - lba = FTL_Get_Block_Index(pba); - nand_dbg_print(NAND_DBG_DEBUG, - "do_bt_garbage_collection: pba %d, lba %d\n", - pba, lba); - nand_dbg_print(NAND_DBG_DEBUG, - "Block Table Entry: %d", pbt[lba]); - - if (((pbt[lba] & BAD_BLOCK) != BAD_BLOCK) && - (pbt[lba] & DISCARD_BLOCK)) { - nand_dbg_print(NAND_DBG_DEBUG, - "do_bt_garbage_collection_cdma: " - "Erasing Block tables present in block %d\n", - pba); - addr = FTL_Get_Physical_Block_Addr((u64)lba * - DeviceInfo.wBlockDataSize); - if (PASS == GLOB_FTL_Block_Erase(addr)) { - pbt[lba] &= (u32)(~DISCARD_BLOCK); - pbt[lba] |= (u32)(SPARE_BLOCK); - - p_BTableChangesDelta = - (struct BTableChangesDelta *) - g_pBTDelta_Free; - g_pBTDelta_Free += - sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt - 1; - p_BTableChangesDelta->BT_Index = lba; - p_BTableChangesDelta->BT_Entry_Value = - pbt[lba]; - - p_BTableChangesDelta->ValidFields = 0x0C; - - ret = PASS; - pBTBlocksNode[last_erased - FIRST_BT_ID] = - BTBLOCK_INVAL; - nand_dbg_print(NAND_DBG_DEBUG, - "resetting bt entry at index %d " - "value %d\n", i, - pBTBlocksNode[i - FIRST_BT_ID]); - if (last_erased == LAST_BT_ID) - last_erased = FIRST_BT_ID; - else - last_erased++; - } else { - MARK_BLOCK_AS_BAD(pbt[lba]); - } - } - } - - BT_GC_Called = 0; - - return ret; -} - -#else -static int do_bt_garbage_collection(void) -{ - u32 pba, lba; - u32 *pbt = (u32 *)g_pBlockTable; - u32 *pBTBlocksNode = (u32 *)g_pBTBlocks; - u64 addr; - int i, ret = FAIL; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (BT_GC_Called) - return PASS; - - BT_GC_Called = 1; - - for (i = last_erased; (i <= LAST_BT_ID) && - (g_pBTBlocks[((i + 2) % (1 + LAST_BT_ID - FIRST_BT_ID)) + - FIRST_BT_ID - FIRST_BT_ID] != BTBLOCK_INVAL); i++) { - pba = pBTBlocksNode[i - FIRST_BT_ID]; - lba = FTL_Get_Block_Index(pba); - nand_dbg_print(NAND_DBG_DEBUG, - "do_bt_garbage_collection_cdma: pba %d, lba %d\n", - pba, lba); - nand_dbg_print(NAND_DBG_DEBUG, - "Block Table Entry: %d", pbt[lba]); - - if (((pbt[lba] & BAD_BLOCK) != BAD_BLOCK) && - (pbt[lba] & DISCARD_BLOCK)) { - nand_dbg_print(NAND_DBG_DEBUG, - "do_bt_garbage_collection: " - "Erasing Block tables present in block %d\n", - pba); - addr = FTL_Get_Physical_Block_Addr((u64)lba * - DeviceInfo.wBlockDataSize); - if (PASS == GLOB_FTL_Block_Erase(addr)) { - pbt[lba] &= (u32)(~DISCARD_BLOCK); - pbt[lba] |= (u32)(SPARE_BLOCK); - ret = PASS; - pBTBlocksNode[last_erased - FIRST_BT_ID] = - BTBLOCK_INVAL; - nand_dbg_print(NAND_DBG_DEBUG, - "resetting bt entry at index %d " - "value %d\n", i, - pBTBlocksNode[i - FIRST_BT_ID]); - if (last_erased == LAST_BT_ID) - last_erased = FIRST_BT_ID; - else - last_erased++; - } else { - MARK_BLOCK_AS_BAD(pbt[lba]); - } - } - } - - BT_GC_Called = 0; - - return ret; -} - -#endif - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_BT_Garbage_Collection -* Inputs: none -* Outputs: PASS / FAIL (returns the number of un-erased blocks -* Description: Erases discarded blocks containing Block table -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_BT_Garbage_Collection(void) -{ - return do_bt_garbage_collection(); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Replace_OneBlock -* Inputs: Block number 1 -* Block number 2 -* Outputs: Replaced Block Number -* Description: Interchange block table entries at wBlockNum and wReplaceNum -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u32 FTL_Replace_OneBlock(u32 blk, u32 rep_blk) -{ - u32 tmp_blk; - u32 replace_node = BAD_BLOCK; - u32 *pbt = (u32 *)g_pBlockTable; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (rep_blk != BAD_BLOCK) { - if (IS_BAD_BLOCK(blk)) - tmp_blk = pbt[blk]; - else - tmp_blk = DISCARD_BLOCK | (~SPARE_BLOCK & pbt[blk]); - - replace_node = (u32) ((~SPARE_BLOCK) & pbt[rep_blk]); - pbt[blk] = replace_node; - pbt[rep_blk] = tmp_blk; - -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = blk; - p_BTableChangesDelta->BT_Entry_Value = pbt[blk]; - - p_BTableChangesDelta->ValidFields = 0x0C; - - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = rep_blk; - p_BTableChangesDelta->BT_Entry_Value = pbt[rep_blk]; - p_BTableChangesDelta->ValidFields = 0x0C; -#endif - } - - return replace_node; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Write_Block_Table_Data -* Inputs: Block table size in pages -* Outputs: PASS=0 / FAIL=1 -* Description: Write block table data in flash -* If first page and last page -* Write data+BT flag -* else -* Write data -* BT flag is a counter. Its value is incremented for block table -* write in a new Block -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Write_Block_Table_Data(void) -{ - u64 dwBlockTableAddr, pTempAddr; - u32 Block; - u16 Page, PageCount; - u8 *tempBuf = tmp_buf_write_blk_table_data; - int wBytesCopied; - u16 bt_pages; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - dwBlockTableAddr = - (u64)((u64)g_wBlockTableIndex * DeviceInfo.wBlockDataSize + - (u64)g_wBlockTableOffset * DeviceInfo.wPageDataSize); - pTempAddr = dwBlockTableAddr; - - bt_pages = FTL_Get_Block_Table_Flash_Size_Pages(); - - nand_dbg_print(NAND_DBG_DEBUG, "FTL_Write_Block_Table_Data: " - "page= %d BlockTableIndex= %d " - "BlockTableOffset=%d\n", bt_pages, - g_wBlockTableIndex, g_wBlockTableOffset); - - Block = BLK_FROM_ADDR(pTempAddr); - Page = PAGE_FROM_ADDR(pTempAddr, Block); - PageCount = 1; - - if (bt_block_changed) { - if (bt_flag == LAST_BT_ID) { - bt_flag = FIRST_BT_ID; - g_pBTBlocks[bt_flag - FIRST_BT_ID] = Block; - } else if (bt_flag < LAST_BT_ID) { - bt_flag++; - g_pBTBlocks[bt_flag - FIRST_BT_ID] = Block; - } - - if ((bt_flag > (LAST_BT_ID-4)) && - g_pBTBlocks[FIRST_BT_ID - FIRST_BT_ID] != - BTBLOCK_INVAL) { - bt_block_changed = 0; - GLOB_FTL_BT_Garbage_Collection(); - } - - bt_block_changed = 0; - nand_dbg_print(NAND_DBG_DEBUG, - "Block Table Counter is %u Block %u\n", - bt_flag, (unsigned int)Block); - } - - memset(tempBuf, 0, 3); - tempBuf[3] = bt_flag; - wBytesCopied = FTL_Copy_Block_Table_To_Flash(tempBuf + 4, - DeviceInfo.wPageDataSize - 4, 0); - memset(&tempBuf[wBytesCopied + 4], 0xff, - DeviceInfo.wPageSize - (wBytesCopied + 4)); - FTL_Insert_Block_Table_Signature(&tempBuf[DeviceInfo.wPageDataSize], - bt_flag); - -#if CMD_DMA - memcpy(g_pNextBlockTable, tempBuf, - DeviceInfo.wPageSize * sizeof(u8)); - nand_dbg_print(NAND_DBG_DEBUG, "Writing First Page of Block Table " - "Block %u Page %u\n", (unsigned int)Block, Page); - if (FAIL == GLOB_LLD_Write_Page_Main_Spare_cdma(g_pNextBlockTable, - Block, Page, 1, - LLD_CMD_FLAG_MODE_CDMA | LLD_CMD_FLAG_ORDER_BEFORE_REST)) { - nand_dbg_print(NAND_DBG_WARN, "NAND Program fail in " - "%s, Line %d, Function: %s, " - "new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, Block); - goto func_return; - } - - ftl_cmd_cnt++; - g_pNextBlockTable += ((DeviceInfo.wPageSize * sizeof(u8))); -#else - if (FAIL == GLOB_LLD_Write_Page_Main_Spare(tempBuf, Block, Page, 1)) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, Function: %s, " - "new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, Block); - goto func_return; - } -#endif - - if (bt_pages > 1) { - PageCount = bt_pages - 1; - if (PageCount > 1) { - wBytesCopied += FTL_Copy_Block_Table_To_Flash(tempBuf, - DeviceInfo.wPageDataSize * (PageCount - 1), - wBytesCopied); - -#if CMD_DMA - memcpy(g_pNextBlockTable, tempBuf, - (PageCount - 1) * DeviceInfo.wPageDataSize); - if (FAIL == GLOB_LLD_Write_Page_Main_cdma( - g_pNextBlockTable, Block, Page + 1, - PageCount - 1)) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, " - "new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, - (int)Block); - goto func_return; - } - - ftl_cmd_cnt++; - g_pNextBlockTable += (PageCount - 1) * - DeviceInfo.wPageDataSize * sizeof(u8); -#else - if (FAIL == GLOB_LLD_Write_Page_Main(tempBuf, - Block, Page + 1, PageCount - 1)) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, " - "new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, - (int)Block); - goto func_return; - } -#endif - } - - wBytesCopied = FTL_Copy_Block_Table_To_Flash(tempBuf, - DeviceInfo.wPageDataSize, wBytesCopied); - memset(&tempBuf[wBytesCopied], 0xff, - DeviceInfo.wPageSize-wBytesCopied); - FTL_Insert_Block_Table_Signature( - &tempBuf[DeviceInfo.wPageDataSize], bt_flag); -#if CMD_DMA - memcpy(g_pNextBlockTable, tempBuf, - DeviceInfo.wPageSize * sizeof(u8)); - nand_dbg_print(NAND_DBG_DEBUG, - "Writing the last Page of Block Table " - "Block %u Page %u\n", - (unsigned int)Block, Page + bt_pages - 1); - if (FAIL == GLOB_LLD_Write_Page_Main_Spare_cdma( - g_pNextBlockTable, Block, Page + bt_pages - 1, 1, - LLD_CMD_FLAG_MODE_CDMA | - LLD_CMD_FLAG_ORDER_BEFORE_REST)) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, Block); - goto func_return; - } - ftl_cmd_cnt++; -#else - if (FAIL == GLOB_LLD_Write_Page_Main_Spare(tempBuf, - Block, Page+bt_pages - 1, 1)) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, " - "new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, Block); - goto func_return; - } -#endif - } - - nand_dbg_print(NAND_DBG_DEBUG, "FTL_Write_Block_Table_Data: done\n"); - -func_return: - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Replace_Block_Table -* Inputs: None -* Outputs: PASS=0 / FAIL=1 -* Description: Get a new block to write block table -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u32 FTL_Replace_Block_Table(void) -{ - u32 blk; - int gc; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - blk = FTL_Replace_LWBlock(BLOCK_TABLE_INDEX, &gc); - - if ((BAD_BLOCK == blk) && (PASS == gc)) { - GLOB_FTL_Garbage_Collection(); - blk = FTL_Replace_LWBlock(BLOCK_TABLE_INDEX, &gc); - } - if (BAD_BLOCK == blk) - printk(KERN_ERR "%s, %s: There is no spare block. " - "It should never happen\n", - __FILE__, __func__); - - nand_dbg_print(NAND_DBG_DEBUG, "New Block table Block is %d\n", blk); - - return blk; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Replace_LWBlock -* Inputs: Block number -* Pointer to Garbage Collect flag -* Outputs: -* Description: Determine the least weared block by traversing -* block table -* Set Garbage collection to be called if number of spare -* block is less than Free Block Gate count -* Change Block table entry to map least worn block for current -* operation -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u32 FTL_Replace_LWBlock(u32 wBlockNum, int *pGarbageCollect) -{ - u32 i; - u32 *pbt = (u32 *)g_pBlockTable; - u8 wLeastWornCounter = 0xFF; - u32 wLeastWornIndex = BAD_BLOCK; - u32 wSpareBlockNum = 0; - u32 wDiscardBlockNum = 0; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (IS_SPARE_BLOCK(wBlockNum)) { - *pGarbageCollect = FAIL; - pbt[wBlockNum] = (u32)(pbt[wBlockNum] & (~SPARE_BLOCK)); -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = (u32)(wBlockNum); - p_BTableChangesDelta->BT_Entry_Value = pbt[wBlockNum]; - p_BTableChangesDelta->ValidFields = 0x0C; -#endif - return pbt[wBlockNum]; - } - - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - if (IS_DISCARDED_BLOCK(i)) - wDiscardBlockNum++; - - if (IS_SPARE_BLOCK(i)) { - u32 wPhysicalIndex = (u32)((~BAD_BLOCK) & pbt[i]); - if (wPhysicalIndex > DeviceInfo.wSpectraEndBlock) - printk(KERN_ERR "FTL_Replace_LWBlock: " - "This should never occur!\n"); - if (g_pWearCounter[wPhysicalIndex - - DeviceInfo.wSpectraStartBlock] < - wLeastWornCounter) { - wLeastWornCounter = - g_pWearCounter[wPhysicalIndex - - DeviceInfo.wSpectraStartBlock]; - wLeastWornIndex = i; - } - wSpareBlockNum++; - } - } - - nand_dbg_print(NAND_DBG_WARN, - "FTL_Replace_LWBlock: Least Worn Counter %d\n", - (int)wLeastWornCounter); - - if ((wDiscardBlockNum >= NUM_FREE_BLOCKS_GATE) || - (wSpareBlockNum <= NUM_FREE_BLOCKS_GATE)) - *pGarbageCollect = PASS; - else - *pGarbageCollect = FAIL; - - nand_dbg_print(NAND_DBG_DEBUG, - "FTL_Replace_LWBlock: Discarded Blocks %u Spare" - " Blocks %u\n", - (unsigned int)wDiscardBlockNum, - (unsigned int)wSpareBlockNum); - - return FTL_Replace_OneBlock(wBlockNum, wLeastWornIndex); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Replace_MWBlock -* Inputs: None -* Outputs: most worn spare block no./BAD_BLOCK -* Description: It finds most worn spare block. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static u32 FTL_Replace_MWBlock(void) -{ - u32 i; - u32 *pbt = (u32 *)g_pBlockTable; - u8 wMostWornCounter = 0; - u32 wMostWornIndex = BAD_BLOCK; - u32 wSpareBlockNum = 0; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - if (IS_SPARE_BLOCK(i)) { - u32 wPhysicalIndex = (u32)((~SPARE_BLOCK) & pbt[i]); - if (g_pWearCounter[wPhysicalIndex - - DeviceInfo.wSpectraStartBlock] > - wMostWornCounter) { - wMostWornCounter = - g_pWearCounter[wPhysicalIndex - - DeviceInfo.wSpectraStartBlock]; - wMostWornIndex = wPhysicalIndex; - } - wSpareBlockNum++; - } - } - - if (wSpareBlockNum <= 2) - return BAD_BLOCK; - - return wMostWornIndex; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Replace_Block -* Inputs: Block Address -* Outputs: PASS=0 / FAIL=1 -* Description: If block specified by blk_addr parameter is not free, -* replace it with the least worn block. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Replace_Block(u64 blk_addr) -{ - u32 current_blk = BLK_FROM_ADDR(blk_addr); - u32 *pbt = (u32 *)g_pBlockTable; - int wResult = PASS; - int GarbageCollect = FAIL; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (IS_SPARE_BLOCK(current_blk)) { - pbt[current_blk] = (~SPARE_BLOCK) & pbt[current_blk]; -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = current_blk; - p_BTableChangesDelta->BT_Entry_Value = pbt[current_blk]; - p_BTableChangesDelta->ValidFields = 0x0C ; -#endif - return wResult; - } - - FTL_Replace_LWBlock(current_blk, &GarbageCollect); - - if (PASS == GarbageCollect) - wResult = GLOB_FTL_Garbage_Collection(); - - return wResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Is_BadBlock -* Inputs: block number to test -* Outputs: PASS (block is BAD) / FAIL (block is not bad) -* Description: test if this block number is flagged as bad -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Is_BadBlock(u32 wBlockNum) -{ - u32 *pbt = (u32 *)g_pBlockTable; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (wBlockNum >= DeviceInfo.wSpectraStartBlock - && BAD_BLOCK == (pbt[wBlockNum] & BAD_BLOCK)) - return PASS; - else - return FAIL; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Flush_Cache -* Inputs: none -* Outputs: PASS=0 / FAIL=1 -* Description: flush all the cache blocks to flash -* if a cache block is not dirty, don't do anything with it -* else, write the block and update the block table -* Note: This function should be called at shutdown/power down. -* to write important data into device -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Flush_Cache(void) -{ - int i, ret; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < CACHE_ITEM_NUM; i++) { - if (SET == Cache.array[i].changed) { -#if CMD_DMA -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE - int_cache[ftl_cmd_cnt].item = i; - int_cache[ftl_cmd_cnt].cache.address = - Cache.array[i].address; - int_cache[ftl_cmd_cnt].cache.changed = CLEAR; -#endif -#endif - ret = write_back_to_l2_cache(Cache.array[i].buf, Cache.array[i].address); - if (PASS == ret) { - Cache.array[i].changed = CLEAR; - } else { - printk(KERN_ALERT "Failed when write back to L2 cache!\n"); - /* TODO - How to handle this? */ - } - } - } - - flush_l2_cache(); - - return FTL_Write_Block_Table(FAIL); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Page_Read -* Inputs: pointer to data -* logical address of data (u64 is LBA * Bytes/Page) -* Outputs: PASS=0 / FAIL=1 -* Description: reads a page of data into RAM from the cache -* if the data is not already in cache, read from flash to cache -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Page_Read(u8 *data, u64 logical_addr) -{ - u16 cache_item; - int res = PASS; - - nand_dbg_print(NAND_DBG_DEBUG, "GLOB_FTL_Page_Read - " - "page_addr: %llu\n", logical_addr); - - cache_item = FTL_Cache_If_Hit(logical_addr); - - if (UNHIT_CACHE_ITEM == cache_item) { - nand_dbg_print(NAND_DBG_DEBUG, - "GLOB_FTL_Page_Read: Cache not hit\n"); - res = FTL_Cache_Write(); - if (ERR == FTL_Cache_Read(logical_addr)) - res = ERR; - cache_item = Cache.LRU; - } - - FTL_Cache_Read_Page(data, logical_addr, cache_item); - - return res; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Page_Write -* Inputs: pointer to data -* address of data (ADDRESSTYPE is LBA * Bytes/Page) -* Outputs: PASS=0 / FAIL=1 -* Description: writes a page of data from RAM to the cache -* if the data is not already in cache, write back the -* least recently used block and read the addressed block -* from flash to cache -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Page_Write(u8 *pData, u64 dwPageAddr) -{ - u16 cache_blk; - u32 *pbt = (u32 *)g_pBlockTable; - int wResult = PASS; - - nand_dbg_print(NAND_DBG_TRACE, "GLOB_FTL_Page_Write - " - "dwPageAddr: %llu\n", dwPageAddr); - - cache_blk = FTL_Cache_If_Hit(dwPageAddr); - - if (UNHIT_CACHE_ITEM == cache_blk) { - wResult = FTL_Cache_Write(); - if (IS_BAD_BLOCK(BLK_FROM_ADDR(dwPageAddr))) { - wResult = FTL_Replace_Block(dwPageAddr); - pbt[BLK_FROM_ADDR(dwPageAddr)] |= SPARE_BLOCK; - if (wResult == FAIL) - return FAIL; - } - if (ERR == FTL_Cache_Read(dwPageAddr)) - wResult = ERR; - cache_blk = Cache.LRU; - FTL_Cache_Write_Page(pData, dwPageAddr, cache_blk, 0); - } else { -#if CMD_DMA - FTL_Cache_Write_Page(pData, dwPageAddr, cache_blk, - LLD_CMD_FLAG_ORDER_BEFORE_REST); -#else - FTL_Cache_Write_Page(pData, dwPageAddr, cache_blk, 0); -#endif - } - - return wResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: GLOB_FTL_Block_Erase -* Inputs: address of block to erase (now in byte format, should change to -* block format) -* Outputs: PASS=0 / FAIL=1 -* Description: erases the specified block -* increments the erase count -* If erase count reaches its upper limit,call function to -* do the adjustment as per the relative erase count values -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int GLOB_FTL_Block_Erase(u64 blk_addr) -{ - int status; - u32 BlkIdx; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - BlkIdx = (u32)(blk_addr >> DeviceInfo.nBitsInBlockDataSize); - - if (BlkIdx < DeviceInfo.wSpectraStartBlock) { - printk(KERN_ERR "GLOB_FTL_Block_Erase: " - "This should never occur\n"); - return FAIL; - } - -#if CMD_DMA - status = GLOB_LLD_Erase_Block_cdma(BlkIdx, LLD_CMD_FLAG_MODE_CDMA); - if (status == FAIL) - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, BlkIdx); -#else - status = GLOB_LLD_Erase_Block(BlkIdx); - if (status == FAIL) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, BlkIdx); - return status; - } -#endif - - if (DeviceInfo.MLCDevice) { - g_pReadCounter[BlkIdx - DeviceInfo.wSpectraStartBlock] = 0; - if (g_cBlockTableStatus != IN_PROGRESS_BLOCK_TABLE) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } - } - - g_pWearCounter[BlkIdx - DeviceInfo.wSpectraStartBlock]++; - -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = ftl_cmd_cnt; - p_BTableChangesDelta->WC_Index = - BlkIdx - DeviceInfo.wSpectraStartBlock; - p_BTableChangesDelta->WC_Entry_Value = - g_pWearCounter[BlkIdx - DeviceInfo.wSpectraStartBlock]; - p_BTableChangesDelta->ValidFields = 0x30; - - if (DeviceInfo.MLCDevice) { - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->RC_Index = - BlkIdx - DeviceInfo.wSpectraStartBlock; - p_BTableChangesDelta->RC_Entry_Value = - g_pReadCounter[BlkIdx - - DeviceInfo.wSpectraStartBlock]; - p_BTableChangesDelta->ValidFields = 0xC0; - } - - ftl_cmd_cnt++; -#endif - - if (g_pWearCounter[BlkIdx - DeviceInfo.wSpectraStartBlock] == 0xFE) - FTL_Adjust_Relative_Erase_Count(BlkIdx); - - return status; -} - - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Adjust_Relative_Erase_Count -* Inputs: index to block that was just incremented and is at the max -* Outputs: PASS=0 / FAIL=1 -* Description: If any erase counts at MAX, adjusts erase count of every -* block by subtracting least worn -* counter from counter value of every entry in wear table -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -static int FTL_Adjust_Relative_Erase_Count(u32 Index_of_MAX) -{ - u8 wLeastWornCounter = MAX_BYTE_VALUE; - u8 wWearCounter; - u32 i, wWearIndex; - u32 *pbt = (u32 *)g_pBlockTable; - int wResult = PASS; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) { - if (IS_BAD_BLOCK(i)) - continue; - wWearIndex = (u32)(pbt[i] & (~BAD_BLOCK)); - - if ((wWearIndex - DeviceInfo.wSpectraStartBlock) < 0) - printk(KERN_ERR "FTL_Adjust_Relative_Erase_Count:" - "This should never occur\n"); - wWearCounter = g_pWearCounter[wWearIndex - - DeviceInfo.wSpectraStartBlock]; - if (wWearCounter < wLeastWornCounter) - wLeastWornCounter = wWearCounter; - } - - if (wLeastWornCounter == 0) { - nand_dbg_print(NAND_DBG_WARN, - "Adjusting Wear Levelling Counters: Special Case\n"); - g_pWearCounter[Index_of_MAX - - DeviceInfo.wSpectraStartBlock]--; -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = ftl_cmd_cnt; - p_BTableChangesDelta->WC_Index = - Index_of_MAX - DeviceInfo.wSpectraStartBlock; - p_BTableChangesDelta->WC_Entry_Value = - g_pWearCounter[Index_of_MAX - - DeviceInfo.wSpectraStartBlock]; - p_BTableChangesDelta->ValidFields = 0x30; -#endif - FTL_Static_Wear_Leveling(); - } else { - for (i = 0; i < DeviceInfo.wDataBlockNum; i++) - if (!IS_BAD_BLOCK(i)) { - wWearIndex = (u32)(pbt[i] & (~BAD_BLOCK)); - g_pWearCounter[wWearIndex - - DeviceInfo.wSpectraStartBlock] = - (u8)(g_pWearCounter - [wWearIndex - - DeviceInfo.wSpectraStartBlock] - - wLeastWornCounter); -#if CMD_DMA - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += - sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->WC_Index = wWearIndex - - DeviceInfo.wSpectraStartBlock; - p_BTableChangesDelta->WC_Entry_Value = - g_pWearCounter[wWearIndex - - DeviceInfo.wSpectraStartBlock]; - p_BTableChangesDelta->ValidFields = 0x30; -#endif - } - } - - return wResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Write_IN_Progress_Block_Table_Page -* Inputs: None -* Outputs: None -* Description: It writes in-progress flag page to the page next to -* block table -***********************************************************************/ -static int FTL_Write_IN_Progress_Block_Table_Page(void) -{ - int wResult = PASS; - u16 bt_pages; - u16 dwIPFPageAddr; -#if CMD_DMA -#else - u32 *pbt = (u32 *)g_pBlockTable; - u32 wTempBlockTableIndex; -#endif - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - bt_pages = FTL_Get_Block_Table_Flash_Size_Pages(); - - dwIPFPageAddr = g_wBlockTableOffset + bt_pages; - - nand_dbg_print(NAND_DBG_DEBUG, "Writing IPF at " - "Block %d Page %d\n", - g_wBlockTableIndex, dwIPFPageAddr); - -#if CMD_DMA - wResult = GLOB_LLD_Write_Page_Main_Spare_cdma(g_pIPF, - g_wBlockTableIndex, dwIPFPageAddr, 1, - LLD_CMD_FLAG_MODE_CDMA | LLD_CMD_FLAG_ORDER_BEFORE_REST); - if (wResult == FAIL) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, - g_wBlockTableIndex); - } - g_wBlockTableOffset = dwIPFPageAddr + 1; - p_BTableChangesDelta = (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - p_BTableChangesDelta->ftl_cmd_cnt = ftl_cmd_cnt; - p_BTableChangesDelta->g_wBlockTableOffset = g_wBlockTableOffset; - p_BTableChangesDelta->ValidFields = 0x01; - ftl_cmd_cnt++; -#else - wResult = GLOB_LLD_Write_Page_Main_Spare(g_pIPF, - g_wBlockTableIndex, dwIPFPageAddr, 1); - if (wResult == FAIL) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in %s, Line %d, " - "Function: %s, new Bad Block %d generated!\n", - __FILE__, __LINE__, __func__, - (int)g_wBlockTableIndex); - MARK_BLOCK_AS_BAD(pbt[BLOCK_TABLE_INDEX]); - wTempBlockTableIndex = FTL_Replace_Block_Table(); - bt_block_changed = 1; - if (BAD_BLOCK == wTempBlockTableIndex) - return ERR; - g_wBlockTableIndex = wTempBlockTableIndex; - g_wBlockTableOffset = 0; - /* Block table tag is '00'. Means it's used one */ - pbt[BLOCK_TABLE_INDEX] = g_wBlockTableIndex; - return FAIL; - } - g_wBlockTableOffset = dwIPFPageAddr + 1; -#endif - return wResult; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: FTL_Read_Disturbance -* Inputs: block address -* Outputs: PASS=0 / FAIL=1 -* Description: used to handle read disturbance. Data in block that -* reaches its read limit is moved to new block -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int FTL_Read_Disturbance(u32 blk_addr) -{ - int wResult = FAIL; - u32 *pbt = (u32 *) g_pBlockTable; - u32 dwOldBlockAddr = blk_addr; - u32 wBlockNum; - u32 i; - u32 wLeastReadCounter = 0xFFFF; - u32 wLeastReadIndex = BAD_BLOCK; - u32 wSpareBlockNum = 0; - u32 wTempNode; - u32 wReplacedNode; - u8 *g_pTempBuf; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - -#if CMD_DMA - g_pTempBuf = cp_back_buf_copies[cp_back_buf_idx]; - cp_back_buf_idx++; - if (cp_back_buf_idx > COPY_BACK_BUF_NUM) { - printk(KERN_ERR "cp_back_buf_copies overflow! Exit." - "Maybe too many pending commands in your CDMA chain.\n"); - return FAIL; - } -#else - g_pTempBuf = tmp_buf_read_disturbance; -#endif - - wBlockNum = FTL_Get_Block_Index(blk_addr); - - do { - /* This is a bug.Here 'i' should be logical block number - * and start from 1 (0 is reserved for block table). - * Have fixed it. - Yunpeng 2008. 12. 19 - */ - for (i = 1; i < DeviceInfo.wDataBlockNum; i++) { - if (IS_SPARE_BLOCK(i)) { - u32 wPhysicalIndex = - (u32)((~SPARE_BLOCK) & pbt[i]); - if (g_pReadCounter[wPhysicalIndex - - DeviceInfo.wSpectraStartBlock] < - wLeastReadCounter) { - wLeastReadCounter = - g_pReadCounter[wPhysicalIndex - - DeviceInfo.wSpectraStartBlock]; - wLeastReadIndex = i; - } - wSpareBlockNum++; - } - } - - if (wSpareBlockNum <= NUM_FREE_BLOCKS_GATE) { - wResult = GLOB_FTL_Garbage_Collection(); - if (PASS == wResult) - continue; - else - break; - } else { - wTempNode = (u32)(DISCARD_BLOCK | pbt[wBlockNum]); - wReplacedNode = (u32)((~SPARE_BLOCK) & - pbt[wLeastReadIndex]); -#if CMD_DMA - pbt[wBlockNum] = wReplacedNode; - pbt[wLeastReadIndex] = wTempNode; - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = wBlockNum; - p_BTableChangesDelta->BT_Entry_Value = pbt[wBlockNum]; - p_BTableChangesDelta->ValidFields = 0x0C; - - p_BTableChangesDelta = - (struct BTableChangesDelta *)g_pBTDelta_Free; - g_pBTDelta_Free += sizeof(struct BTableChangesDelta); - - p_BTableChangesDelta->ftl_cmd_cnt = - ftl_cmd_cnt; - p_BTableChangesDelta->BT_Index = wLeastReadIndex; - p_BTableChangesDelta->BT_Entry_Value = - pbt[wLeastReadIndex]; - p_BTableChangesDelta->ValidFields = 0x0C; - - wResult = GLOB_LLD_Read_Page_Main_cdma(g_pTempBuf, - dwOldBlockAddr, 0, DeviceInfo.wPagesPerBlock, - LLD_CMD_FLAG_MODE_CDMA); - if (wResult == FAIL) - return wResult; - - ftl_cmd_cnt++; - - if (wResult != FAIL) { - if (FAIL == GLOB_LLD_Write_Page_Main_cdma( - g_pTempBuf, pbt[wBlockNum], 0, - DeviceInfo.wPagesPerBlock)) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in " - "%s, Line %d, Function: %s, " - "new Bad Block %d " - "generated!\n", - __FILE__, __LINE__, __func__, - (int)pbt[wBlockNum]); - wResult = FAIL; - MARK_BLOCK_AS_BAD(pbt[wBlockNum]); - } - ftl_cmd_cnt++; - } -#else - wResult = GLOB_LLD_Read_Page_Main(g_pTempBuf, - dwOldBlockAddr, 0, DeviceInfo.wPagesPerBlock); - if (wResult == FAIL) - return wResult; - - if (wResult != FAIL) { - /* This is a bug. At this time, pbt[wBlockNum] - is still the physical address of - discard block, and should not be write. - Have fixed it as below. - -- Yunpeng 2008.12.19 - */ - wResult = GLOB_LLD_Write_Page_Main(g_pTempBuf, - wReplacedNode, 0, - DeviceInfo.wPagesPerBlock); - if (wResult == FAIL) { - nand_dbg_print(NAND_DBG_WARN, - "NAND Program fail in " - "%s, Line %d, Function: %s, " - "new Bad Block %d " - "generated!\n", - __FILE__, __LINE__, __func__, - (int)wReplacedNode); - MARK_BLOCK_AS_BAD(wReplacedNode); - } else { - pbt[wBlockNum] = wReplacedNode; - pbt[wLeastReadIndex] = wTempNode; - } - } - - if ((wResult == PASS) && (g_cBlockTableStatus != - IN_PROGRESS_BLOCK_TABLE)) { - g_cBlockTableStatus = IN_PROGRESS_BLOCK_TABLE; - FTL_Write_IN_Progress_Block_Table_Page(); - } -#endif - } - } while (wResult != PASS) - ; - -#if CMD_DMA - /* ... */ -#endif - - return wResult; -} - diff --git a/drivers/staging/spectra/flash.h b/drivers/staging/spectra/flash.h deleted file mode 100644 index e59cf4ede551..000000000000 --- a/drivers/staging/spectra/flash.h +++ /dev/null @@ -1,198 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef _FLASH_INTERFACE_ -#define _FLASH_INTERFACE_ - -#include "ffsport.h" -#include "spectraswconfig.h" - -#define MAX_BYTE_VALUE 0xFF -#define MAX_WORD_VALUE 0xFFFF -#define MAX_U32_VALUE 0xFFFFFFFF - -#define MAX_BLOCKNODE_VALUE 0xFFFFFF -#define DISCARD_BLOCK 0x800000 -#define SPARE_BLOCK 0x400000 -#define BAD_BLOCK 0xC00000 - -#define UNHIT_CACHE_ITEM 0xFFFF - -#define NAND_CACHE_INIT_ADDR 0xffffffffffffffffULL - -#define IN_PROGRESS_BLOCK_TABLE 0x00 -#define CURRENT_BLOCK_TABLE 0x01 - -#define BTSIG_OFFSET (0) -#define BTSIG_BYTES (5) -#define BTSIG_DELTA (3) - -#define MAX_READ_COUNTER 0x2710 - -#define FIRST_BT_ID (1) -#define LAST_BT_ID (254) -#define BTBLOCK_INVAL (u32)(0xFFFFFFFF) - -struct device_info_tag { - u16 wDeviceMaker; - u16 wDeviceID; - u32 wDeviceType; - u32 wSpectraStartBlock; - u32 wSpectraEndBlock; - u32 wTotalBlocks; - u16 wPagesPerBlock; - u16 wPageSize; - u16 wPageDataSize; - u16 wPageSpareSize; - u16 wNumPageSpareFlag; - u16 wECCBytesPerSector; - u32 wBlockSize; - u32 wBlockDataSize; - u32 wDataBlockNum; - u8 bPlaneNum; - u16 wDeviceMainAreaSize; - u16 wDeviceSpareAreaSize; - u16 wDevicesConnected; - u16 wDeviceWidth; - u16 wHWRevision; - u16 wHWFeatures; - - u16 wONFIDevFeatures; - u16 wONFIOptCommands; - u16 wONFITimingMode; - u16 wONFIPgmCacheTimingMode; - - u16 MLCDevice; - u16 wSpareSkipBytes; - - u8 nBitsInPageNumber; - u8 nBitsInPageDataSize; - u8 nBitsInBlockDataSize; -}; - -extern struct device_info_tag DeviceInfo; - -/* Cache item format */ -struct flash_cache_item_tag { - u64 address; - u16 use_cnt; - u16 changed; - u8 *buf; -}; - -struct flash_cache_tag { - u32 cache_item_size; /* Size in bytes of each cache item */ - u16 pages_per_item; /* How many NAND pages in each cache item */ - u16 LRU; /* No. of the least recently used cache item */ - struct flash_cache_item_tag array[CACHE_ITEM_NUM]; -}; - -/* - *Data structure for each list node of the management table - * used for the Level 2 Cache. Each node maps one logical NAND block. - */ -struct spectra_l2_cache_list { - struct list_head list; - u32 logical_blk_num; /* Logical block number */ - u32 pages_array[]; /* Page map array of this logical block. - * Array index is the logical block number, - * and for every item of this arry: - * high 16 bit is index of the L2 cache block num, - * low 16 bit is the phy page num - * of the above L2 cache block. - * This array will be kmalloc during run time. - */ -}; - -struct spectra_l2_cache_info { - u32 blk_array[BLK_NUM_FOR_L2_CACHE]; - u16 cur_blk_idx; /* idx to the phy block number of current using */ - u16 cur_page_num; /* pages number of current using */ - struct spectra_l2_cache_list table; /* First node of the table */ -}; - -#define RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE 1 - -#if RESTORE_CACHE_ON_CDMA_CHAIN_FAILURE -struct flash_cache_mod_item_tag { - u64 address; - u8 changed; -}; - -struct flash_cache_delta_list_tag { - u8 item; /* used cache item */ - struct flash_cache_mod_item_tag cache; -}; -#endif - -extern struct flash_cache_tag Cache; - -extern u8 *buf_read_page_main_spare; -extern u8 *buf_write_page_main_spare; -extern u8 *buf_read_page_spare; -extern u8 *buf_get_bad_block; -extern u8 *cdma_desc_buf; -extern u8 *memcp_desc_buf; - -/* struture used for IndentfyDevice function */ -struct spectra_indentfy_dev_tag { - u32 NumBlocks; - u16 PagesPerBlock; - u16 PageDataSize; - u16 wECCBytesPerSector; - u32 wDataBlockNum; -}; - -int GLOB_FTL_Flash_Init(void); -int GLOB_FTL_Flash_Release(void); -/*void GLOB_FTL_Erase_Flash(void);*/ -int GLOB_FTL_Block_Erase(u64 block_addr); -int GLOB_FTL_Is_BadBlock(u32 block_num); -int GLOB_FTL_IdentifyDevice(struct spectra_indentfy_dev_tag *dev_data); -int GLOB_FTL_Event_Status(int *); -u16 glob_ftl_execute_cmds(void); - -/*int FTL_Read_Disturbance(ADDRESSTYPE dwBlockAddr);*/ -int FTL_Read_Disturbance(u32 dwBlockAddr); - -/*Flash r/w based on cache*/ -int GLOB_FTL_Page_Read(u8 *read_data, u64 page_addr); -int GLOB_FTL_Page_Write(u8 *write_data, u64 page_addr); -int GLOB_FTL_Wear_Leveling(void); -int GLOB_FTL_Flash_Format(void); -int GLOB_FTL_Init(void); -int GLOB_FTL_Flush_Cache(void); -int GLOB_FTL_Garbage_Collection(void); -int GLOB_FTL_BT_Garbage_Collection(void); -void GLOB_FTL_Cache_Release(void); -u8 *get_blk_table_start_addr(void); -u8 *get_wear_leveling_table_start_addr(void); -unsigned long get_blk_table_len(void); -unsigned long get_wear_leveling_table_len(void); - -#if DEBUG_BNDRY -void debug_boundary_lineno_error(int chnl, int limit, int no, int lineno, - char *filename); -#define debug_boundary_error(chnl, limit, no) debug_boundary_lineno_error(chnl,\ - limit, no, __LINE__, __FILE__) -#else -#define debug_boundary_error(chnl, limit, no) ; -#endif - -#endif /*_FLASH_INTERFACE_*/ diff --git a/drivers/staging/spectra/lld.c b/drivers/staging/spectra/lld.c deleted file mode 100644 index 5c3b9762dc3e..000000000000 --- a/drivers/staging/spectra/lld.c +++ /dev/null @@ -1,339 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include "spectraswconfig.h" -#include "ffsport.h" -#include "ffsdefs.h" -#include "lld.h" -#include "lld_nand.h" - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -#if FLASH_EMU /* vector all the LLD calls to the LLD_EMU code */ -#include "lld_emu.h" -#include "lld_cdma.h" - -/* common functions: */ -u16 GLOB_LLD_Flash_Reset(void) -{ - return emu_Flash_Reset(); -} - -u16 GLOB_LLD_Read_Device_ID(void) -{ - return emu_Read_Device_ID(); -} - -int GLOB_LLD_Flash_Release(void) -{ - return emu_Flash_Release(); -} - -u16 GLOB_LLD_Flash_Init(void) -{ - return emu_Flash_Init(); -} - -u16 GLOB_LLD_Erase_Block(u32 block_add) -{ - return emu_Erase_Block(block_add); -} - -u16 GLOB_LLD_Write_Page_Main(u8 *write_data, u32 block, u16 Page, - u16 PageCount) -{ - return emu_Write_Page_Main(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main(u8 *read_data, u32 block, u16 Page, - u16 PageCount) -{ - return emu_Read_Page_Main(read_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count) -{ - return emu_Read_Page_Main(read_data, block, page, page_count); -} - -u16 GLOB_LLD_Write_Page_Main_Spare(u8 *write_data, u32 block, - u16 Page, u16 PageCount) -{ - return emu_Write_Page_Main_Spare(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main_Spare(u8 *read_data, u32 block, - u16 Page, u16 PageCount) -{ - return emu_Read_Page_Main_Spare(read_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Write_Page_Spare(u8 *write_data, u32 block, u16 Page, - u16 PageCount) -{ - return emu_Write_Page_Spare(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Spare(u8 *read_data, u32 block, u16 Page, - u16 PageCount) -{ - return emu_Read_Page_Spare(read_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Get_Bad_Block(u32 block) -{ - return emu_Get_Bad_Block(block); -} - -#endif /* FLASH_EMU */ - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -#if FLASH_MTD /* vector all the LLD calls to the LLD_MTD code */ -#include "lld_mtd.h" -#include "lld_cdma.h" - -/* common functions: */ -u16 GLOB_LLD_Flash_Reset(void) -{ - return mtd_Flash_Reset(); -} - -u16 GLOB_LLD_Read_Device_ID(void) -{ - return mtd_Read_Device_ID(); -} - -int GLOB_LLD_Flash_Release(void) -{ - return mtd_Flash_Release(); -} - -u16 GLOB_LLD_Flash_Init(void) -{ - return mtd_Flash_Init(); -} - -u16 GLOB_LLD_Erase_Block(u32 block_add) -{ - return mtd_Erase_Block(block_add); -} - -u16 GLOB_LLD_Write_Page_Main(u8 *write_data, u32 block, u16 Page, - u16 PageCount) -{ - return mtd_Write_Page_Main(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main(u8 *read_data, u32 block, u16 Page, - u16 PageCount) -{ - return mtd_Read_Page_Main(read_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count) -{ - return mtd_Read_Page_Main(read_data, block, page, page_count); -} - -u16 GLOB_LLD_Write_Page_Main_Spare(u8 *write_data, u32 block, - u16 Page, u16 PageCount) -{ - return mtd_Write_Page_Main_Spare(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main_Spare(u8 *read_data, u32 block, - u16 Page, u16 PageCount) -{ - return mtd_Read_Page_Main_Spare(read_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Write_Page_Spare(u8 *write_data, u32 block, u16 Page, - u16 PageCount) -{ - return mtd_Write_Page_Spare(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Spare(u8 *read_data, u32 block, u16 Page, - u16 PageCount) -{ - return mtd_Read_Page_Spare(read_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Get_Bad_Block(u32 block) -{ - return mtd_Get_Bad_Block(block); -} - -#endif /* FLASH_MTD */ - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -#if FLASH_NAND /* vector all the LLD calls to the NAND controller code */ -#include "lld_nand.h" -#include "lld_cdma.h" -#include "flash.h" - -/* common functions for LLD_NAND */ -void GLOB_LLD_ECC_Control(int enable) -{ - NAND_ECC_Ctrl(enable); -} - -/* common functions for LLD_NAND */ -u16 GLOB_LLD_Flash_Reset(void) -{ - return NAND_Flash_Reset(); -} - -u16 GLOB_LLD_Read_Device_ID(void) -{ - return NAND_Read_Device_ID(); -} - -u16 GLOB_LLD_UnlockArrayAll(void) -{ - return NAND_UnlockArrayAll(); -} - -u16 GLOB_LLD_Flash_Init(void) -{ - return NAND_Flash_Init(); -} - -int GLOB_LLD_Flash_Release(void) -{ - return nand_release_spectra(); -} - -u16 GLOB_LLD_Erase_Block(u32 block_add) -{ - return NAND_Erase_Block(block_add); -} - - -u16 GLOB_LLD_Write_Page_Main(u8 *write_data, u32 block, u16 Page, - u16 PageCount) -{ - return NAND_Write_Page_Main(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main(u8 *read_data, u32 block, u16 page, - u16 page_count) -{ - if (page_count == 1) /* Using polling to improve read speed */ - return NAND_Read_Page_Main_Polling(read_data, block, page, 1); - else - return NAND_Read_Page_Main(read_data, block, page, page_count); -} - -u16 GLOB_LLD_Read_Page_Main_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count) -{ - return NAND_Read_Page_Main_Polling(read_data, - block, page, page_count); -} - -u16 GLOB_LLD_Write_Page_Main_Spare(u8 *write_data, u32 block, - u16 Page, u16 PageCount) -{ - return NAND_Write_Page_Main_Spare(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Write_Page_Spare(u8 *write_data, u32 block, u16 Page, - u16 PageCount) -{ - return NAND_Write_Page_Spare(write_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Read_Page_Main_Spare(u8 *read_data, u32 block, - u16 page, u16 page_count) -{ - return NAND_Read_Page_Main_Spare(read_data, block, page, page_count); -} - -u16 GLOB_LLD_Read_Page_Spare(u8 *read_data, u32 block, u16 Page, - u16 PageCount) -{ - return NAND_Read_Page_Spare(read_data, block, Page, PageCount); -} - -u16 GLOB_LLD_Get_Bad_Block(u32 block) -{ - return NAND_Get_Bad_Block(block); -} - -#if CMD_DMA -u16 GLOB_LLD_Event_Status(void) -{ - return CDMA_Event_Status(); -} - -u16 glob_lld_execute_cmds(void) -{ - return CDMA_Execute_CMDs(); -} - -u16 GLOB_LLD_MemCopy_CMD(u8 *dest, u8 *src, - u32 ByteCount, u16 flag) -{ - /* Replace the hardware memcopy with software memcpy function */ - if (CDMA_Execute_CMDs()) - return FAIL; - memcpy(dest, src, ByteCount); - return PASS; - - /* return CDMA_MemCopy_CMD(dest, src, ByteCount, flag); */ -} - -u16 GLOB_LLD_Erase_Block_cdma(u32 block, u16 flags) -{ - return CDMA_Data_CMD(ERASE_CMD, 0, block, 0, 0, flags); -} - -u16 GLOB_LLD_Write_Page_Main_cdma(u8 *data, u32 block, u16 page, u16 count) -{ - return CDMA_Data_CMD(WRITE_MAIN_CMD, data, block, page, count, 0); -} - -u16 GLOB_LLD_Read_Page_Main_cdma(u8 *data, u32 block, u16 page, - u16 count, u16 flags) -{ - return CDMA_Data_CMD(READ_MAIN_CMD, data, block, page, count, flags); -} - -u16 GLOB_LLD_Write_Page_Main_Spare_cdma(u8 *data, u32 block, u16 page, - u16 count, u16 flags) -{ - return CDMA_Data_CMD(WRITE_MAIN_SPARE_CMD, - data, block, page, count, flags); -} - -u16 GLOB_LLD_Read_Page_Main_Spare_cdma(u8 *data, - u32 block, u16 page, u16 count) -{ - return CDMA_Data_CMD(READ_MAIN_SPARE_CMD, data, block, page, count, - LLD_CMD_FLAG_MODE_CDMA); -} - -#endif /* CMD_DMA */ -#endif /* FLASH_NAND */ - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ - -/* end of LLD.c */ diff --git a/drivers/staging/spectra/lld.h b/drivers/staging/spectra/lld.h deleted file mode 100644 index d3738e0e1fea..000000000000 --- a/drivers/staging/spectra/lld.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - - - -#ifndef _LLD_ -#define _LLD_ - -#include "ffsport.h" -#include "spectraswconfig.h" -#include "flash.h" - -#define GOOD_BLOCK 0 -#define DEFECTIVE_BLOCK 1 -#define READ_ERROR 2 - -#define CLK_X 5 -#define CLK_MULTI 4 - -/* Typedefs */ - -/* prototypes: API for LLD */ -/* Currently, Write_Page_Main - * MemCopy - * Read_Page_Main_Spare - * do not have flag because they were not implemented prior to this - * They are not being added to keep changes to a minimum for now. - * Currently, they are not required (only reqd for Wr_P_M_S.) - * Later on, these NEED to be changed. - */ - -extern void GLOB_LLD_ECC_Control(int enable); - -extern u16 GLOB_LLD_Flash_Reset(void); - -extern u16 GLOB_LLD_Read_Device_ID(void); - -extern u16 GLOB_LLD_UnlockArrayAll(void); - -extern u16 GLOB_LLD_Flash_Init(void); - -extern int GLOB_LLD_Flash_Release(void); - -extern u16 GLOB_LLD_Erase_Block(u32 block_add); - -extern u16 GLOB_LLD_Write_Page_Main(u8 *write_data, - u32 block, u16 Page, u16 PageCount); - -extern u16 GLOB_LLD_Read_Page_Main(u8 *read_data, - u32 block, u16 page, u16 page_count); - -extern u16 GLOB_LLD_Read_Page_Main_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count); - -extern u16 GLOB_LLD_Write_Page_Main_Spare(u8 *write_data, - u32 block, u16 Page, u16 PageCount); - -extern u16 GLOB_LLD_Write_Page_Spare(u8 *write_data, - u32 block, u16 Page, u16 PageCount); - -extern u16 GLOB_LLD_Read_Page_Main_Spare(u8 *read_data, - u32 block, u16 page, u16 page_count); - -extern u16 GLOB_LLD_Read_Page_Spare(u8 *read_data, - u32 block, u16 Page, u16 PageCount); - -extern u16 GLOB_LLD_Get_Bad_Block(u32 block); - -extern u16 GLOB_LLD_Event_Status(void); - -extern u16 GLOB_LLD_MemCopy_CMD(u8 *dest, u8 *src, u32 ByteCount, u16 flag); - -extern u16 glob_lld_execute_cmds(void); - -extern u16 GLOB_LLD_Erase_Block_cdma(u32 block, u16 flags); - -extern u16 GLOB_LLD_Write_Page_Main_cdma(u8 *data, - u32 block, u16 page, u16 count); - -extern u16 GLOB_LLD_Read_Page_Main_cdma(u8 *data, - u32 block, u16 page, u16 count, u16 flags); - -extern u16 GLOB_LLD_Write_Page_Main_Spare_cdma(u8 *data, - u32 block, u16 page, u16 count, u16 flags); - -extern u16 GLOB_LLD_Read_Page_Main_Spare_cdma(u8 *data, - u32 block, u16 page, u16 count); - -#define LLD_CMD_FLAG_ORDER_BEFORE_REST (0x1) -#define LLD_CMD_FLAG_MODE_CDMA (0x8) - - -#endif /*_LLD_ */ - - diff --git a/drivers/staging/spectra/lld_cdma.c b/drivers/staging/spectra/lld_cdma.c deleted file mode 100644 index c6e76103d43c..000000000000 --- a/drivers/staging/spectra/lld_cdma.c +++ /dev/null @@ -1,910 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include <linux/fs.h> -#include <linux/slab.h> - -#include "spectraswconfig.h" -#include "lld.h" -#include "lld_nand.h" -#include "lld_cdma.h" -#include "lld_emu.h" -#include "flash.h" -#include "nand_regs.h" - -#define MAX_PENDING_CMDS 4 -#define MODE_02 (0x2 << 26) - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: CDMA_Data_Cmd -* Inputs: cmd code (aligned for hw) -* data: pointer to source or destination -* block: block address -* page: page address -* num: num pages to transfer -* Outputs: PASS -* Description: This function takes the parameters and puts them -* into the "pending commands" array. -* It does not parse or validate the parameters. -* The array index is same as the tag. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 CDMA_Data_CMD(u8 cmd, u8 *data, u32 block, u16 page, u16 num, u16 flags) -{ - u8 bank; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (0 == cmd) - nand_dbg_print(NAND_DBG_DEBUG, - "%s, Line %d, Illegal cmd (0)\n", __FILE__, __LINE__); - - /* If a command of another bank comes, then first execute */ - /* pending commands of the current bank, then set the new */ - /* bank as current bank */ - bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - if (bank != info.flash_bank) { - nand_dbg_print(NAND_DBG_WARN, - "Will access new bank. old bank: %d, new bank: %d\n", - info.flash_bank, bank); - if (CDMA_Execute_CMDs()) { - printk(KERN_ERR "CDMA_Execute_CMDs fail!\n"); - return FAIL; - } - info.flash_bank = bank; - } - - info.pcmds[info.pcmds_num].CMD = cmd; - info.pcmds[info.pcmds_num].DataAddr = data; - info.pcmds[info.pcmds_num].Block = block; - info.pcmds[info.pcmds_num].Page = page; - info.pcmds[info.pcmds_num].PageCount = num; - info.pcmds[info.pcmds_num].DataDestAddr = 0; - info.pcmds[info.pcmds_num].DataSrcAddr = 0; - info.pcmds[info.pcmds_num].MemCopyByteCnt = 0; - info.pcmds[info.pcmds_num].Flags = flags; - info.pcmds[info.pcmds_num].Status = 0xB0B; - - switch (cmd) { - case WRITE_MAIN_SPARE_CMD: - Conv_Main_Spare_Data_Log2Phy_Format(data, num); - break; - case WRITE_SPARE_CMD: - Conv_Spare_Data_Log2Phy_Format(data); - break; - default: - break; - } - - info.pcmds_num++; - - if (info.pcmds_num >= MAX_PENDING_CMDS) { - if (CDMA_Execute_CMDs()) { - printk(KERN_ERR "CDMA_Execute_CMDs fail!\n"); - return FAIL; - } - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: CDMA_MemCopy_CMD -* Inputs: dest: pointer to destination -* src: pointer to source -* count: num bytes to transfer -* Outputs: PASS -* Description: This function takes the parameters and puts them -* into the "pending commands" array. -* It does not parse or validate the parameters. -* The array index is same as the tag. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 CDMA_MemCopy_CMD(u8 *dest, u8 *src, u32 byte_cnt, u16 flags) -{ - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - info.pcmds[info.pcmds_num].CMD = MEMCOPY_CMD; - info.pcmds[info.pcmds_num].DataAddr = 0; - info.pcmds[info.pcmds_num].Block = 0; - info.pcmds[info.pcmds_num].Page = 0; - info.pcmds[info.pcmds_num].PageCount = 0; - info.pcmds[info.pcmds_num].DataDestAddr = dest; - info.pcmds[info.pcmds_num].DataSrcAddr = src; - info.pcmds[info.pcmds_num].MemCopyByteCnt = byte_cnt; - info.pcmds[info.pcmds_num].Flags = flags; - info.pcmds[info.pcmds_num].Status = 0xB0B; - - info.pcmds_num++; - - if (info.pcmds_num >= MAX_PENDING_CMDS) { - if (CDMA_Execute_CMDs()) { - printk(KERN_ERR "CDMA_Execute_CMDs fail!\n"); - return FAIL; - } - } - - return PASS; -} - -#if 0 -/* Prints the PendingCMDs array */ -void print_pending_cmds(void) -{ - u16 i; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < info.pcmds_num; i++) { - nand_dbg_print(NAND_DBG_DEBUG, "\ni: %d\n", i); - switch (info.pcmds[i].CMD) { - case ERASE_CMD: - nand_dbg_print(NAND_DBG_DEBUG, - "Erase Command (0x%x)\n", - info.pcmds[i].CMD); - break; - case WRITE_MAIN_CMD: - nand_dbg_print(NAND_DBG_DEBUG, - "Write Main Command (0x%x)\n", - info.pcmds[i].CMD); - break; - case WRITE_MAIN_SPARE_CMD: - nand_dbg_print(NAND_DBG_DEBUG, - "Write Main Spare Command (0x%x)\n", - info.pcmds[i].CMD); - break; - case READ_MAIN_SPARE_CMD: - nand_dbg_print(NAND_DBG_DEBUG, - "Read Main Spare Command (0x%x)\n", - info.pcmds[i].CMD); - break; - case READ_MAIN_CMD: - nand_dbg_print(NAND_DBG_DEBUG, - "Read Main Command (0x%x)\n", - info.pcmds[i].CMD); - break; - case MEMCOPY_CMD: - nand_dbg_print(NAND_DBG_DEBUG, - "Memcopy Command (0x%x)\n", - info.pcmds[i].CMD); - break; - case DUMMY_CMD: - nand_dbg_print(NAND_DBG_DEBUG, - "Dummy Command (0x%x)\n", - info.pcmds[i].CMD); - break; - default: - nand_dbg_print(NAND_DBG_DEBUG, - "Illegal Command (0x%x)\n", - info.pcmds[i].CMD); - break; - } - - nand_dbg_print(NAND_DBG_DEBUG, "DataAddr: 0x%x\n", - (u32)info.pcmds[i].DataAddr); - nand_dbg_print(NAND_DBG_DEBUG, "Block: %d\n", - info.pcmds[i].Block); - nand_dbg_print(NAND_DBG_DEBUG, "Page: %d\n", - info.pcmds[i].Page); - nand_dbg_print(NAND_DBG_DEBUG, "PageCount: %d\n", - info.pcmds[i].PageCount); - nand_dbg_print(NAND_DBG_DEBUG, "DataDestAddr: 0x%x\n", - (u32)info.pcmds[i].DataDestAddr); - nand_dbg_print(NAND_DBG_DEBUG, "DataSrcAddr: 0x%x\n", - (u32)info.pcmds[i].DataSrcAddr); - nand_dbg_print(NAND_DBG_DEBUG, "MemCopyByteCnt: %d\n", - info.pcmds[i].MemCopyByteCnt); - nand_dbg_print(NAND_DBG_DEBUG, "Flags: 0x%x\n", - info.pcmds[i].Flags); - nand_dbg_print(NAND_DBG_DEBUG, "Status: 0x%x\n", - info.pcmds[i].Status); - } -} - -/* Print the CDMA descriptors */ -void print_cdma_descriptors(void) -{ - struct cdma_descriptor *pc; - int i; - - pc = (struct cdma_descriptor *)info.cdma_desc_buf; - - nand_dbg_print(NAND_DBG_DEBUG, "\nWill dump cdma descriptors:\n"); - - for (i = 0; i < info.cdma_num; i++) { - nand_dbg_print(NAND_DBG_DEBUG, "\ni: %d\n", i); - nand_dbg_print(NAND_DBG_DEBUG, - "NxtPointerHi: 0x%x, NxtPointerLo: 0x%x\n", - pc[i].NxtPointerHi, pc[i].NxtPointerLo); - nand_dbg_print(NAND_DBG_DEBUG, - "FlashPointerHi: 0x%x, FlashPointerLo: 0x%x\n", - pc[i].FlashPointerHi, pc[i].FlashPointerLo); - nand_dbg_print(NAND_DBG_DEBUG, "CommandType: 0x%x\n", - pc[i].CommandType); - nand_dbg_print(NAND_DBG_DEBUG, - "MemAddrHi: 0x%x, MemAddrLo: 0x%x\n", - pc[i].MemAddrHi, pc[i].MemAddrLo); - nand_dbg_print(NAND_DBG_DEBUG, "CommandFlags: 0x%x\n", - pc[i].CommandFlags); - nand_dbg_print(NAND_DBG_DEBUG, "Channel: %d, Status: 0x%x\n", - pc[i].Channel, pc[i].Status); - nand_dbg_print(NAND_DBG_DEBUG, - "MemCopyPointerHi: 0x%x, MemCopyPointerLo: 0x%x\n", - pc[i].MemCopyPointerHi, pc[i].MemCopyPointerLo); - nand_dbg_print(NAND_DBG_DEBUG, - "Reserved12: 0x%x, Reserved13: 0x%x, " - "Reserved14: 0x%x, pcmd: %d\n", - pc[i].Reserved12, pc[i].Reserved13, - pc[i].Reserved14, pc[i].pcmd); - } -} - -/* Print the Memory copy descriptors */ -static void print_memcp_descriptors(void) -{ - struct memcpy_descriptor *pm; - int i; - - pm = (struct memcpy_descriptor *)info.memcp_desc_buf; - - nand_dbg_print(NAND_DBG_DEBUG, "\nWill dump mem_cpy descriptors:\n"); - - for (i = 0; i < info.cdma_num; i++) { - nand_dbg_print(NAND_DBG_DEBUG, "\ni: %d\n", i); - nand_dbg_print(NAND_DBG_DEBUG, - "NxtPointerHi: 0x%x, NxtPointerLo: 0x%x\n", - pm[i].NxtPointerHi, pm[i].NxtPointerLo); - nand_dbg_print(NAND_DBG_DEBUG, - "SrcAddrHi: 0x%x, SrcAddrLo: 0x%x\n", - pm[i].SrcAddrHi, pm[i].SrcAddrLo); - nand_dbg_print(NAND_DBG_DEBUG, - "DestAddrHi: 0x%x, DestAddrLo: 0x%x\n", - pm[i].DestAddrHi, pm[i].DestAddrLo); - nand_dbg_print(NAND_DBG_DEBUG, "XferSize: %d\n", - pm[i].XferSize); - nand_dbg_print(NAND_DBG_DEBUG, "MemCopyFlags: 0x%x\n", - pm[i].MemCopyFlags); - nand_dbg_print(NAND_DBG_DEBUG, "MemCopyStatus: %d\n", - pm[i].MemCopyStatus); - nand_dbg_print(NAND_DBG_DEBUG, "reserved9: 0x%x\n", - pm[i].reserved9); - nand_dbg_print(NAND_DBG_DEBUG, "reserved10: 0x%x\n", - pm[i].reserved10); - nand_dbg_print(NAND_DBG_DEBUG, "reserved11: 0x%x\n", - pm[i].reserved11); - nand_dbg_print(NAND_DBG_DEBUG, "reserved12: 0x%x\n", - pm[i].reserved12); - nand_dbg_print(NAND_DBG_DEBUG, "reserved13: 0x%x\n", - pm[i].reserved13); - nand_dbg_print(NAND_DBG_DEBUG, "reserved14: 0x%x\n", - pm[i].reserved14); - nand_dbg_print(NAND_DBG_DEBUG, "reserved15: 0x%x\n", - pm[i].reserved15); - } -} -#endif - -/* Reset cdma_descriptor chain to 0 */ -static void reset_cdma_desc(int i) -{ - struct cdma_descriptor *ptr; - - BUG_ON(i >= MAX_DESCS); - - ptr = (struct cdma_descriptor *)info.cdma_desc_buf; - - ptr[i].NxtPointerHi = 0; - ptr[i].NxtPointerLo = 0; - ptr[i].FlashPointerHi = 0; - ptr[i].FlashPointerLo = 0; - ptr[i].CommandType = 0; - ptr[i].MemAddrHi = 0; - ptr[i].MemAddrLo = 0; - ptr[i].CommandFlags = 0; - ptr[i].Channel = 0; - ptr[i].Status = 0; - ptr[i].MemCopyPointerHi = 0; - ptr[i].MemCopyPointerLo = 0; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: CDMA_UpdateEventStatus -* Inputs: none -* Outputs: none -* Description: This function update the event status of all the channels -* when an error condition is reported. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -void CDMA_UpdateEventStatus(void) -{ - int i, j, active_chan; - struct cdma_descriptor *ptr; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - ptr = (struct cdma_descriptor *)info.cdma_desc_buf; - - for (j = 0; j < info.cdma_num; j++) { - /* Check for the descriptor with failure */ - if ((ptr[j].Status & CMD_DMA_DESC_FAIL)) - break; - - } - - /* All the previous cmd's status for this channel must be good */ - for (i = 0; i < j; i++) { - if (ptr[i].pcmd != 0xff) - info.pcmds[ptr[i].pcmd].Status = CMD_PASS; - } - - /* Abort the channel with type 0 reset command. It resets the */ - /* selected channel after the descriptor completes the flash */ - /* operation and status has been updated for the descriptor. */ - /* Memory Copy and Sync associated with this descriptor will */ - /* not be executed */ - active_chan = ioread32(FlashReg + CHNL_ACTIVE); - if ((active_chan & (1 << info.flash_bank)) == (1 << info.flash_bank)) { - iowrite32(MODE_02 | (0 << 4), FlashMem); /* Type 0 reset */ - iowrite32((0xF << 4) | info.flash_bank, FlashMem + 0x10); - } else { /* Should not reached here */ - printk(KERN_ERR "Error! Used bank is not set in" - " reg CHNL_ACTIVE\n"); - } -} - -static void cdma_trans(u16 chan) -{ - u32 addr; - - addr = info.cdma_desc; - - iowrite32(MODE_10 | (chan << 24), FlashMem); - iowrite32((1 << 7) | chan, FlashMem + 0x10); - - iowrite32(MODE_10 | (chan << 24) | ((0x0FFFF & (addr >> 16)) << 8), - FlashMem); - iowrite32((1 << 7) | (1 << 4) | 0, FlashMem + 0x10); - - iowrite32(MODE_10 | (chan << 24) | ((0x0FFFF & addr) << 8), FlashMem); - iowrite32((1 << 7) | (1 << 5) | 0, FlashMem + 0x10); - - iowrite32(MODE_10 | (chan << 24), FlashMem); - iowrite32((1 << 7) | (1 << 5) | (1 << 4) | 0, FlashMem + 0x10); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: CDMA_Execute_CMDs (for use with CMD_DMA) -* Inputs: tag_count: the number of pending cmds to do -* Outputs: PASS/FAIL -* Description: Build the SDMA chain(s) by making one CMD-DMA descriptor -* for each pending command, start the CDMA engine, and return. -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 CDMA_Execute_CMDs(void) -{ - int i, ret; - u64 flash_add; - u32 ptr; - dma_addr_t map_addr, next_ptr; - u16 status = PASS; - u16 tmp_c; - struct cdma_descriptor *pc; - struct memcpy_descriptor *pm; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - /* No pending cmds to execute, just exit */ - if (0 == info.pcmds_num) { - nand_dbg_print(NAND_DBG_TRACE, - "No pending cmds to execute. Just exit.\n"); - return PASS; - } - - for (i = 0; i < MAX_DESCS; i++) - reset_cdma_desc(i); - - pc = (struct cdma_descriptor *)info.cdma_desc_buf; - pm = (struct memcpy_descriptor *)info.memcp_desc_buf; - - info.cdma_desc = virt_to_bus(info.cdma_desc_buf); - info.memcp_desc = virt_to_bus(info.memcp_desc_buf); - next_ptr = info.cdma_desc; - info.cdma_num = 0; - - for (i = 0; i < info.pcmds_num; i++) { - if (info.pcmds[i].Block >= DeviceInfo.wTotalBlocks) { - info.pcmds[i].Status = CMD_NOT_DONE; - continue; - } - - next_ptr += sizeof(struct cdma_descriptor); - pc[info.cdma_num].NxtPointerHi = next_ptr >> 16; - pc[info.cdma_num].NxtPointerLo = next_ptr & 0xffff; - - /* Use the Block offset within a bank */ - tmp_c = info.pcmds[i].Block / - (DeviceInfo.wTotalBlocks / totalUsedBanks); - flash_add = (u64)(info.pcmds[i].Block - tmp_c * - (DeviceInfo.wTotalBlocks / totalUsedBanks)) * - DeviceInfo.wBlockDataSize + - (u64)(info.pcmds[i].Page) * - DeviceInfo.wPageDataSize; - - ptr = MODE_10 | (info.flash_bank << 24) | - (u32)GLOB_u64_Div(flash_add, - DeviceInfo.wPageDataSize); - pc[info.cdma_num].FlashPointerHi = ptr >> 16; - pc[info.cdma_num].FlashPointerLo = ptr & 0xffff; - - if ((info.pcmds[i].CMD == WRITE_MAIN_SPARE_CMD) || - (info.pcmds[i].CMD == READ_MAIN_SPARE_CMD)) { - /* Descriptor to set Main+Spare Access Mode */ - pc[info.cdma_num].CommandType = 0x43; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - pc[info.cdma_num].MemAddrHi = 0; - pc[info.cdma_num].MemAddrLo = 0; - pc[info.cdma_num].Channel = 0; - pc[info.cdma_num].Status = 0; - pc[info.cdma_num].pcmd = i; - - info.cdma_num++; - BUG_ON(info.cdma_num >= MAX_DESCS); - - reset_cdma_desc(info.cdma_num); - next_ptr += sizeof(struct cdma_descriptor); - pc[info.cdma_num].NxtPointerHi = next_ptr >> 16; - pc[info.cdma_num].NxtPointerLo = next_ptr & 0xffff; - pc[info.cdma_num].FlashPointerHi = ptr >> 16; - pc[info.cdma_num].FlashPointerLo = ptr & 0xffff; - } - - switch (info.pcmds[i].CMD) { - case ERASE_CMD: - pc[info.cdma_num].CommandType = 1; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - pc[info.cdma_num].MemAddrHi = 0; - pc[info.cdma_num].MemAddrLo = 0; - break; - - case WRITE_MAIN_CMD: - pc[info.cdma_num].CommandType = - 0x2100 | info.pcmds[i].PageCount; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - map_addr = virt_to_bus(info.pcmds[i].DataAddr); - pc[info.cdma_num].MemAddrHi = map_addr >> 16; - pc[info.cdma_num].MemAddrLo = map_addr & 0xffff; - break; - - case READ_MAIN_CMD: - pc[info.cdma_num].CommandType = - 0x2000 | info.pcmds[i].PageCount; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - map_addr = virt_to_bus(info.pcmds[i].DataAddr); - pc[info.cdma_num].MemAddrHi = map_addr >> 16; - pc[info.cdma_num].MemAddrLo = map_addr & 0xffff; - break; - - case WRITE_MAIN_SPARE_CMD: - pc[info.cdma_num].CommandType = - 0x2100 | info.pcmds[i].PageCount; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - map_addr = virt_to_bus(info.pcmds[i].DataAddr); - pc[info.cdma_num].MemAddrHi = map_addr >> 16; - pc[info.cdma_num].MemAddrLo = map_addr & 0xffff; - break; - - case READ_MAIN_SPARE_CMD: - pc[info.cdma_num].CommandType = - 0x2000 | info.pcmds[i].PageCount; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - map_addr = virt_to_bus(info.pcmds[i].DataAddr); - pc[info.cdma_num].MemAddrHi = map_addr >> 16; - pc[info.cdma_num].MemAddrLo = map_addr & 0xffff; - break; - - case MEMCOPY_CMD: - pc[info.cdma_num].CommandType = 0xFFFF; /* NOP cmd */ - /* Set bit 11 to let the CDMA engine continue to */ - /* execute only after it has finished processing */ - /* the memcopy descriptor. */ - /* Also set bit 10 and bit 9 to 1 */ - pc[info.cdma_num].CommandFlags = 0x0E40; - map_addr = info.memcp_desc + info.cdma_num * - sizeof(struct memcpy_descriptor); - pc[info.cdma_num].MemCopyPointerHi = map_addr >> 16; - pc[info.cdma_num].MemCopyPointerLo = map_addr & 0xffff; - - pm[info.cdma_num].NxtPointerHi = 0; - pm[info.cdma_num].NxtPointerLo = 0; - - map_addr = virt_to_bus(info.pcmds[i].DataSrcAddr); - pm[info.cdma_num].SrcAddrHi = map_addr >> 16; - pm[info.cdma_num].SrcAddrLo = map_addr & 0xffff; - map_addr = virt_to_bus(info.pcmds[i].DataDestAddr); - pm[info.cdma_num].DestAddrHi = map_addr >> 16; - pm[info.cdma_num].DestAddrLo = map_addr & 0xffff; - - pm[info.cdma_num].XferSize = - info.pcmds[i].MemCopyByteCnt; - pm[info.cdma_num].MemCopyFlags = - (0 << 15 | 0 << 14 | 27 << 8 | 0x40); - pm[info.cdma_num].MemCopyStatus = 0; - break; - - case DUMMY_CMD: - default: - pc[info.cdma_num].CommandType = 0XFFFF; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - pc[info.cdma_num].MemAddrHi = 0; - pc[info.cdma_num].MemAddrLo = 0; - break; - } - - pc[info.cdma_num].Channel = 0; - pc[info.cdma_num].Status = 0; - pc[info.cdma_num].pcmd = i; - - info.cdma_num++; - BUG_ON(info.cdma_num >= MAX_DESCS); - - if ((info.pcmds[i].CMD == WRITE_MAIN_SPARE_CMD) || - (info.pcmds[i].CMD == READ_MAIN_SPARE_CMD)) { - /* Descriptor to set back Main Area Access Mode */ - reset_cdma_desc(info.cdma_num); - next_ptr += sizeof(struct cdma_descriptor); - pc[info.cdma_num].NxtPointerHi = next_ptr >> 16; - pc[info.cdma_num].NxtPointerLo = next_ptr & 0xffff; - - pc[info.cdma_num].FlashPointerHi = ptr >> 16; - pc[info.cdma_num].FlashPointerLo = ptr & 0xffff; - - pc[info.cdma_num].CommandType = 0x42; - pc[info.cdma_num].CommandFlags = - (0 << 10) | (1 << 9) | (0 << 8) | 0x40; - pc[info.cdma_num].MemAddrHi = 0; - pc[info.cdma_num].MemAddrLo = 0; - - pc[info.cdma_num].Channel = 0; - pc[info.cdma_num].Status = 0; - pc[info.cdma_num].pcmd = i; - - info.cdma_num++; - BUG_ON(info.cdma_num >= MAX_DESCS); - } - } - - /* Add a dummy descriptor at end of the CDMA chain */ - reset_cdma_desc(info.cdma_num); - ptr = MODE_10 | (info.flash_bank << 24); - pc[info.cdma_num].FlashPointerHi = ptr >> 16; - pc[info.cdma_num].FlashPointerLo = ptr & 0xffff; - pc[info.cdma_num].CommandType = 0xFFFF; /* NOP command */ - /* Set Command Flags for the last CDMA descriptor: */ - /* set Continue bit (bit 9) to 0 and Interrupt bit (bit 8) to 1 */ - pc[info.cdma_num].CommandFlags = - (0 << 10) | (0 << 9) | (1 << 8) | 0x40; - pc[info.cdma_num].pcmd = 0xff; /* Set it to an illegal value */ - info.cdma_num++; - BUG_ON(info.cdma_num >= MAX_DESCS); - - iowrite32(1, FlashReg + GLOBAL_INT_ENABLE); /* Enable Interrupt */ - - iowrite32(1, FlashReg + DMA_ENABLE); - /* Wait for DMA to be enabled before issuing the next command */ - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - cdma_trans(info.flash_bank); - - ret = wait_for_completion_timeout(&info.complete, 50 * HZ); - if (!ret) - printk(KERN_ERR "Wait for completion timeout " - "in %s, Line %d\n", __FILE__, __LINE__); - status = info.ret; - - info.pcmds_num = 0; /* Clear the pending cmds number to 0 */ - - return status; -} - -int is_cdma_interrupt(void) -{ - u32 ints_b0, ints_b1, ints_b2, ints_b3, ints_cdma; - u32 int_en_mask; - u32 cdma_int_en_mask; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - /* Set the global Enable masks for only those interrupts - * that are supported */ - cdma_int_en_mask = (DMA_INTR__DESC_COMP_CHANNEL0 | - DMA_INTR__DESC_COMP_CHANNEL1 | - DMA_INTR__DESC_COMP_CHANNEL2 | - DMA_INTR__DESC_COMP_CHANNEL3 | - DMA_INTR__MEMCOPY_DESC_COMP); - - int_en_mask = (INTR_STATUS0__ECC_ERR | - INTR_STATUS0__PROGRAM_FAIL | - INTR_STATUS0__ERASE_FAIL); - - ints_b0 = ioread32(FlashReg + INTR_STATUS0) & int_en_mask; - ints_b1 = ioread32(FlashReg + INTR_STATUS1) & int_en_mask; - ints_b2 = ioread32(FlashReg + INTR_STATUS2) & int_en_mask; - ints_b3 = ioread32(FlashReg + INTR_STATUS3) & int_en_mask; - ints_cdma = ioread32(FlashReg + DMA_INTR) & cdma_int_en_mask; - - nand_dbg_print(NAND_DBG_WARN, "ints_bank0 to ints_bank3: " - "0x%x, 0x%x, 0x%x, 0x%x, ints_cdma: 0x%x\n", - ints_b0, ints_b1, ints_b2, ints_b3, ints_cdma); - - if (ints_b0 || ints_b1 || ints_b2 || ints_b3 || ints_cdma) { - return 1; - } else { - iowrite32(ints_b0, FlashReg + INTR_STATUS0); - iowrite32(ints_b1, FlashReg + INTR_STATUS1); - iowrite32(ints_b2, FlashReg + INTR_STATUS2); - iowrite32(ints_b3, FlashReg + INTR_STATUS3); - nand_dbg_print(NAND_DBG_DEBUG, - "Not a NAND controller interrupt! Ignore it.\n"); - return 0; - } -} - -static void update_event_status(void) -{ - int i; - struct cdma_descriptor *ptr; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - ptr = (struct cdma_descriptor *)info.cdma_desc_buf; - - for (i = 0; i < info.cdma_num; i++) { - if (ptr[i].pcmd != 0xff) - info.pcmds[ptr[i].pcmd].Status = CMD_PASS; - if ((ptr[i].CommandType == 0x41) || - (ptr[i].CommandType == 0x42) || - (ptr[i].CommandType == 0x43)) - continue; - - switch (info.pcmds[ptr[i].pcmd].CMD) { - case READ_MAIN_SPARE_CMD: - Conv_Main_Spare_Data_Phy2Log_Format( - info.pcmds[ptr[i].pcmd].DataAddr, - info.pcmds[ptr[i].pcmd].PageCount); - break; - case READ_SPARE_CMD: - Conv_Spare_Data_Phy2Log_Format( - info.pcmds[ptr[i].pcmd].DataAddr); - break; - } - } -} - -static u16 do_ecc_for_desc(u32 ch, u8 *buf, u16 page) -{ - u16 event = EVENT_NONE; - u16 err_byte; - u16 err_page = 0; - u8 err_sector; - u8 err_device; - u16 ecc_correction_info; - u16 err_address; - u32 eccSectorSize; - u8 *err_pos; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - eccSectorSize = ECC_SECTOR_SIZE * (DeviceInfo.wDevicesConnected); - - do { - if (0 == ch) - err_page = ioread32(FlashReg + ERR_PAGE_ADDR0); - else if (1 == ch) - err_page = ioread32(FlashReg + ERR_PAGE_ADDR1); - else if (2 == ch) - err_page = ioread32(FlashReg + ERR_PAGE_ADDR2); - else if (3 == ch) - err_page = ioread32(FlashReg + ERR_PAGE_ADDR3); - - err_address = ioread32(FlashReg + ECC_ERROR_ADDRESS); - err_byte = err_address & ECC_ERROR_ADDRESS__OFFSET; - err_sector = ((err_address & - ECC_ERROR_ADDRESS__SECTOR_NR) >> 12); - - ecc_correction_info = ioread32(FlashReg + ERR_CORRECTION_INFO); - err_device = ((ecc_correction_info & - ERR_CORRECTION_INFO__DEVICE_NR) >> 8); - - if (ecc_correction_info & ERR_CORRECTION_INFO__ERROR_TYPE) { - event = EVENT_UNCORRECTABLE_DATA_ERROR; - } else { - event = EVENT_CORRECTABLE_DATA_ERROR_FIXED; - if (err_byte < ECC_SECTOR_SIZE) { - err_pos = buf + - (err_page - page) * - DeviceInfo.wPageDataSize + - err_sector * eccSectorSize + - err_byte * - DeviceInfo.wDevicesConnected + - err_device; - *err_pos ^= ecc_correction_info & - ERR_CORRECTION_INFO__BYTEMASK; - } - } - } while (!(ecc_correction_info & ERR_CORRECTION_INFO__LAST_ERR_INFO)); - - return event; -} - -static u16 process_ecc_int(u32 c, u16 *p_desc_num) -{ - struct cdma_descriptor *ptr; - u16 j; - int event = EVENT_PASS; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (c != info.flash_bank) - printk(KERN_ERR "Error!info.flash_bank is %d, while c is %d\n", - info.flash_bank, c); - - ptr = (struct cdma_descriptor *)info.cdma_desc_buf; - - for (j = 0; j < info.cdma_num; j++) - if ((ptr[j].Status & CMD_DMA_DESC_COMP) != CMD_DMA_DESC_COMP) - break; - - *p_desc_num = j; /* Pass the descripter number found here */ - - if (j >= info.cdma_num) { - printk(KERN_ERR "Can not find the correct descriptor number " - "when ecc interrupt triggered!" - "info.cdma_num: %d, j: %d\n", info.cdma_num, j); - return EVENT_UNCORRECTABLE_DATA_ERROR; - } - - event = do_ecc_for_desc(c, info.pcmds[ptr[j].pcmd].DataAddr, - info.pcmds[ptr[j].pcmd].Page); - - if (EVENT_UNCORRECTABLE_DATA_ERROR == event) { - printk(KERN_ERR "Uncorrectable ECC error!" - "info.cdma_num: %d, j: %d, " - "pending cmd CMD: 0x%x, " - "Block: 0x%x, Page: 0x%x, PageCount: 0x%x\n", - info.cdma_num, j, - info.pcmds[ptr[j].pcmd].CMD, - info.pcmds[ptr[j].pcmd].Block, - info.pcmds[ptr[j].pcmd].Page, - info.pcmds[ptr[j].pcmd].PageCount); - - if (ptr[j].pcmd != 0xff) - info.pcmds[ptr[j].pcmd].Status = CMD_FAIL; - CDMA_UpdateEventStatus(); - } - - return event; -} - -static void process_prog_erase_fail_int(u16 desc_num) -{ - struct cdma_descriptor *ptr; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - ptr = (struct cdma_descriptor *)info.cdma_desc_buf; - - if (ptr[desc_num].pcmd != 0xFF) - info.pcmds[ptr[desc_num].pcmd].Status = CMD_FAIL; - - CDMA_UpdateEventStatus(); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: CDMA_Event_Status (for use with CMD_DMA) -* Inputs: none -* Outputs: Event_Status code -* Description: This function is called after an interrupt has happened -* It reads the HW status register and ...tbd -* It returns the appropriate event status -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 CDMA_Event_Status(void) -{ - u32 ints_addr[4] = {INTR_STATUS0, INTR_STATUS1, - INTR_STATUS2, INTR_STATUS3}; - u32 dma_intr_bit[4] = {DMA_INTR__DESC_COMP_CHANNEL0, - DMA_INTR__DESC_COMP_CHANNEL1, - DMA_INTR__DESC_COMP_CHANNEL2, - DMA_INTR__DESC_COMP_CHANNEL3}; - u32 cdma_int_status, int_status; - u32 ecc_enable = 0; - u16 event = EVENT_PASS; - u16 cur_desc = 0; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - ecc_enable = ioread32(FlashReg + ECC_ENABLE); - - while (1) { - int_status = ioread32(FlashReg + ints_addr[info.flash_bank]); - if (ecc_enable && (int_status & INTR_STATUS0__ECC_ERR)) { - event = process_ecc_int(info.flash_bank, &cur_desc); - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + ints_addr[info.flash_bank]); - if (EVENT_UNCORRECTABLE_DATA_ERROR == event) { - nand_dbg_print(NAND_DBG_WARN, - "ints_bank0 to ints_bank3: " - "0x%x, 0x%x, 0x%x, 0x%x, " - "ints_cdma: 0x%x\n", - ioread32(FlashReg + INTR_STATUS0), - ioread32(FlashReg + INTR_STATUS1), - ioread32(FlashReg + INTR_STATUS2), - ioread32(FlashReg + INTR_STATUS3), - ioread32(FlashReg + DMA_INTR)); - break; - } - } else if (int_status & INTR_STATUS0__PROGRAM_FAIL) { - printk(KERN_ERR "NAND program fail interrupt!\n"); - process_prog_erase_fail_int(cur_desc); - event = EVENT_PROGRAM_FAILURE; - break; - } else if (int_status & INTR_STATUS0__ERASE_FAIL) { - printk(KERN_ERR "NAND erase fail interrupt!\n"); - process_prog_erase_fail_int(cur_desc); - event = EVENT_ERASE_FAILURE; - break; - } else { - cdma_int_status = ioread32(FlashReg + DMA_INTR); - if (cdma_int_status & dma_intr_bit[info.flash_bank]) { - iowrite32(dma_intr_bit[info.flash_bank], - FlashReg + DMA_INTR); - update_event_status(); - event = EVENT_PASS; - break; - } - } - } - - int_status = ioread32(FlashReg + ints_addr[info.flash_bank]); - iowrite32(int_status, FlashReg + ints_addr[info.flash_bank]); - cdma_int_status = ioread32(FlashReg + DMA_INTR); - iowrite32(cdma_int_status, FlashReg + DMA_INTR); - - iowrite32(0, FlashReg + DMA_ENABLE); - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - return event; -} - - - diff --git a/drivers/staging/spectra/lld_cdma.h b/drivers/staging/spectra/lld_cdma.h deleted file mode 100644 index 854ea066f0c4..000000000000 --- a/drivers/staging/spectra/lld_cdma.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -/* header for LLD_CDMA.c module */ - -#ifndef _LLD_CDMA_ -#define _LLD_CDMA_ - -#include "flash.h" - -#define DEBUG_SYNC 1 - -/*/////////// CDMA specific MACRO definition */ -#define MAX_DESCS (255) -#define MAX_CHANS (4) -#define MAX_SYNC_POINTS (16) -#define MAX_DESC_PER_CHAN (MAX_DESCS * 3 + MAX_SYNC_POINTS + 2) - -#define CHANNEL_SYNC_MASK (0x000F) -#define CHANNEL_DMA_MASK (0x00F0) -#define CHANNEL_ID_MASK (0x0300) -#define CHANNEL_CONT_MASK (0x4000) -#define CHANNEL_INTR_MASK (0x8000) - -#define CHANNEL_SYNC_OFFSET (0) -#define CHANNEL_DMA_OFFSET (4) -#define CHANNEL_ID_OFFSET (8) -#define CHANNEL_CONT_OFFSET (14) -#define CHANNEL_INTR_OFFSET (15) - -u16 CDMA_Data_CMD(u8 cmd, u8 *data, u32 block, u16 page, u16 num, u16 flags); -u16 CDMA_MemCopy_CMD(u8 *dest, u8 *src, u32 byte_cnt, u16 flags); -u16 CDMA_Execute_CMDs(void); -void print_pending_cmds(void); -void print_cdma_descriptors(void); - -extern u8 g_SBDCmdIndex; -extern struct mrst_nand_info info; - - -/*/////////// prototypes: APIs for LLD_CDMA */ -int is_cdma_interrupt(void); -u16 CDMA_Event_Status(void); - -/* CMD-DMA Descriptor Struct. These are defined by the CMD_DMA HW */ -struct cdma_descriptor { - u32 NxtPointerHi; - u32 NxtPointerLo; - u32 FlashPointerHi; - u32 FlashPointerLo; - u32 CommandType; - u32 MemAddrHi; - u32 MemAddrLo; - u32 CommandFlags; - u32 Channel; - u32 Status; - u32 MemCopyPointerHi; - u32 MemCopyPointerLo; - u32 Reserved12; - u32 Reserved13; - u32 Reserved14; - u32 pcmd; /* pending cmd num related to this descriptor */ -}; - -/* This struct holds one MemCopy descriptor as defined by the HW */ -struct memcpy_descriptor { - u32 NxtPointerHi; - u32 NxtPointerLo; - u32 SrcAddrHi; - u32 SrcAddrLo; - u32 DestAddrHi; - u32 DestAddrLo; - u32 XferSize; - u32 MemCopyFlags; - u32 MemCopyStatus; - u32 reserved9; - u32 reserved10; - u32 reserved11; - u32 reserved12; - u32 reserved13; - u32 reserved14; - u32 reserved15; -}; - -/* Pending CMD table entries (includes MemCopy parameters */ -struct pending_cmd { - u8 CMD; - u8 *DataAddr; - u32 Block; - u16 Page; - u16 PageCount; - u8 *DataDestAddr; - u8 *DataSrcAddr; - u32 MemCopyByteCnt; - u16 Flags; - u16 Status; -}; - -#if DEBUG_SYNC -extern u32 debug_sync_cnt; -#endif - -/* Definitions for CMD DMA descriptor chain fields */ -#define CMD_DMA_DESC_COMP 0x8000 -#define CMD_DMA_DESC_FAIL 0x4000 - -#endif /*_LLD_CDMA_*/ diff --git a/drivers/staging/spectra/lld_emu.c b/drivers/staging/spectra/lld_emu.c deleted file mode 100644 index 095f2f0c2e5b..000000000000 --- a/drivers/staging/spectra/lld_emu.c +++ /dev/null @@ -1,776 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include <linux/fs.h> -#include <linux/slab.h> -#include "flash.h" -#include "ffsdefs.h" -#include "lld_emu.h" -#include "lld.h" -#if CMD_DMA -#include "lld_cdma.h" -#if FLASH_EMU -u32 totalUsedBanks; -u32 valid_banks[MAX_CHANS]; -#endif -#endif - -#define GLOB_LLD_PAGES 64 -#define GLOB_LLD_PAGE_SIZE (512+16) -#define GLOB_LLD_PAGE_DATA_SIZE 512 -#define GLOB_LLD_BLOCKS 2048 - -#if FLASH_EMU /* This is for entire module */ - -static u8 *flash_memory[GLOB_LLD_BLOCKS * GLOB_LLD_PAGES]; - -/* Read nand emu file and then fill it's content to flash_memory */ -int emu_load_file_to_mem(void) -{ - mm_segment_t fs; - struct file *nef_filp = NULL; - struct inode *inode = NULL; - loff_t nef_size = 0; - loff_t tmp_file_offset, file_offset; - ssize_t nread; - int i, rc = -EINVAL; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - fs = get_fs(); - set_fs(get_ds()); - - nef_filp = filp_open("/root/nand_emu_file", O_RDWR | O_LARGEFILE, 0); - if (IS_ERR(nef_filp)) { - printk(KERN_ERR "filp_open error: " - "Unable to open nand emu file!\n"); - return PTR_ERR(nef_filp); - } - - if (nef_filp->f_path.dentry) { - inode = nef_filp->f_path.dentry->d_inode; - } else { - printk(KERN_ERR "Can not get valid inode!\n"); - goto out; - } - - nef_size = i_size_read(inode->i_mapping->host); - if (nef_size <= 0) { - printk(KERN_ERR "Invalid nand emu file size: " - "0x%llx\n", nef_size); - goto out; - } else { - nand_dbg_print(NAND_DBG_DEBUG, "nand emu file size: %lld\n", - nef_size); - } - - file_offset = 0; - for (i = 0; i < GLOB_LLD_BLOCKS * GLOB_LLD_PAGES; i++) { - tmp_file_offset = file_offset; - nread = vfs_read(nef_filp, - (char __user *)flash_memory[i], - GLOB_LLD_PAGE_SIZE, &tmp_file_offset); - if (nread < GLOB_LLD_PAGE_SIZE) { - printk(KERN_ERR "%s, Line %d - " - "nand emu file partial read: " - "%d bytes\n", __FILE__, __LINE__, (int)nread); - goto out; - } - file_offset += GLOB_LLD_PAGE_SIZE; - } - rc = 0; - -out: - filp_close(nef_filp, current->files); - set_fs(fs); - return rc; -} - -/* Write contents of flash_memory to nand emu file */ -int emu_write_mem_to_file(void) -{ - mm_segment_t fs; - struct file *nef_filp = NULL; - struct inode *inode = NULL; - loff_t nef_size = 0; - loff_t tmp_file_offset, file_offset; - ssize_t nwritten; - int i, rc = -EINVAL; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - fs = get_fs(); - set_fs(get_ds()); - - nef_filp = filp_open("/root/nand_emu_file", O_RDWR | O_LARGEFILE, 0); - if (IS_ERR(nef_filp)) { - printk(KERN_ERR "filp_open error: " - "Unable to open nand emu file!\n"); - return PTR_ERR(nef_filp); - } - - if (nef_filp->f_path.dentry) { - inode = nef_filp->f_path.dentry->d_inode; - } else { - printk(KERN_ERR "Invalid " "nef_filp->f_path.dentry value!\n"); - goto out; - } - - nef_size = i_size_read(inode->i_mapping->host); - if (nef_size <= 0) { - printk(KERN_ERR "Invalid " - "nand emu file size: 0x%llx\n", nef_size); - goto out; - } else { - nand_dbg_print(NAND_DBG_DEBUG, "nand emu file size: " - "%lld\n", nef_size); - } - - file_offset = 0; - for (i = 0; i < GLOB_LLD_BLOCKS * GLOB_LLD_PAGES; i++) { - tmp_file_offset = file_offset; - nwritten = vfs_write(nef_filp, - (char __user *)flash_memory[i], - GLOB_LLD_PAGE_SIZE, &tmp_file_offset); - if (nwritten < GLOB_LLD_PAGE_SIZE) { - printk(KERN_ERR "%s, Line %d - " - "nand emu file partial write: " - "%d bytes\n", __FILE__, __LINE__, (int)nwritten); - goto out; - } - file_offset += GLOB_LLD_PAGE_SIZE; - } - rc = 0; - -out: - filp_close(nef_filp, current->files); - set_fs(fs); - return rc; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Flash_Init -* Inputs: none -* Outputs: PASS=0 (notice 0=ok here) -* Description: Creates & initializes the flash RAM array. -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Flash_Init(void) -{ - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - flash_memory[0] = vmalloc(GLOB_LLD_PAGE_SIZE * GLOB_LLD_BLOCKS * - GLOB_LLD_PAGES * sizeof(u8)); - if (!flash_memory[0]) { - printk(KERN_ERR "Fail to allocate memory " - "for nand emulator!\n"); - return ERR; - } - - memset((char *)(flash_memory[0]), 0xFF, - GLOB_LLD_PAGE_SIZE * GLOB_LLD_BLOCKS * GLOB_LLD_PAGES * - sizeof(u8)); - - for (i = 1; i < GLOB_LLD_BLOCKS * GLOB_LLD_PAGES; i++) - flash_memory[i] = flash_memory[i - 1] + GLOB_LLD_PAGE_SIZE; - - emu_load_file_to_mem(); /* Load nand emu file to mem */ - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Flash_Release -* Inputs: none -* Outputs: PASS=0 (notice 0=ok here) -* Description: Releases the flash. -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int emu_Flash_Release(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - emu_write_mem_to_file(); /* Write back mem to nand emu file */ - - vfree(flash_memory[0]); - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Read_Device_ID -* Inputs: none -* Outputs: PASS=1 FAIL=0 -* Description: Reads the info from the controller registers. -* Sets up DeviceInfo structure with device parameters -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ - -u16 emu_Read_Device_ID(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - DeviceInfo.wDeviceMaker = 0; - DeviceInfo.wDeviceType = 8; - DeviceInfo.wSpectraStartBlock = 36; - DeviceInfo.wSpectraEndBlock = GLOB_LLD_BLOCKS - 1; - DeviceInfo.wTotalBlocks = GLOB_LLD_BLOCKS; - DeviceInfo.wPagesPerBlock = GLOB_LLD_PAGES; - DeviceInfo.wPageSize = GLOB_LLD_PAGE_SIZE; - DeviceInfo.wPageDataSize = GLOB_LLD_PAGE_DATA_SIZE; - DeviceInfo.wPageSpareSize = GLOB_LLD_PAGE_SIZE - - GLOB_LLD_PAGE_DATA_SIZE; - DeviceInfo.wBlockSize = DeviceInfo.wPageSize * GLOB_LLD_PAGES; - DeviceInfo.wBlockDataSize = DeviceInfo.wPageDataSize * GLOB_LLD_PAGES; - DeviceInfo.wDataBlockNum = (u32) (DeviceInfo.wSpectraEndBlock - - DeviceInfo.wSpectraStartBlock - + 1); - DeviceInfo.MLCDevice = 1; /* Emulate MLC device */ - DeviceInfo.nBitsInPageNumber = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wPagesPerBlock); - DeviceInfo.nBitsInPageDataSize = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wPageDataSize); - DeviceInfo.nBitsInBlockDataSize = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wBlockDataSize); - -#if CMD_DMA - totalUsedBanks = 4; - valid_banks[0] = 1; - valid_banks[1] = 1; - valid_banks[2] = 1; - valid_banks[3] = 1; -#endif - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Flash_Reset -* Inputs: none -* Outputs: PASS=0 (notice 0=ok here) -* Description: Reset the flash -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Flash_Reset(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Erase_Block -* Inputs: Address -* Outputs: PASS=0 (notice 0=ok here) -* Description: Erase a block -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Erase_Block(u32 block_add) -{ - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (block_add >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "emu_Erase_Block error! " - "Too big block address: %d\n", block_add); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Erasing block %d\n", - (int)block_add); - - for (i = block_add * GLOB_LLD_PAGES; - i < ((block_add + 1) * GLOB_LLD_PAGES); i++) { - if (flash_memory[i]) { - memset((u8 *)(flash_memory[i]), 0xFF, - DeviceInfo.wPageSize * sizeof(u8)); - } - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Write_Page_Main -* Inputs: Write buffer address pointer -* Block number -* Page number -* Number of pages to process -* Outputs: PASS=0 (notice 0=ok here) -* Description: Write the data in the buffer to main area of flash -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Write_Page_Main(u8 *write_data, u32 Block, - u16 Page, u16 PageCount) -{ - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) - return FAIL; - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) - return FAIL; - - nand_dbg_print(NAND_DBG_DEBUG, "emu_Write_Page_Main: " - "lba %u Page %u PageCount %u\n", - (unsigned int)Block, - (unsigned int)Page, (unsigned int)PageCount); - - for (i = 0; i < PageCount; i++) { - if (NULL == flash_memory[Block * GLOB_LLD_PAGES + Page]) { - printk(KERN_ERR "Run out of memory\n"); - return FAIL; - } - memcpy((u8 *) (flash_memory[Block * GLOB_LLD_PAGES + Page]), - write_data, DeviceInfo.wPageDataSize); - write_data += DeviceInfo.wPageDataSize; - Page++; - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Read_Page_Main -* Inputs: Read buffer address pointer -* Block number -* Page number -* Number of pages to process -* Outputs: PASS=0 (notice 0=ok here) -* Description: Read the data from the flash main area to the buffer -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Read_Page_Main(u8 *read_data, u32 Block, - u16 Page, u16 PageCount) -{ - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) - return FAIL; - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) - return FAIL; - - nand_dbg_print(NAND_DBG_DEBUG, "emu_Read_Page_Main: " - "lba %u Page %u PageCount %u\n", - (unsigned int)Block, - (unsigned int)Page, (unsigned int)PageCount); - - for (i = 0; i < PageCount; i++) { - if (NULL == flash_memory[Block * GLOB_LLD_PAGES + Page]) { - memset(read_data, 0xFF, DeviceInfo.wPageDataSize); - } else { - memcpy(read_data, - (u8 *) (flash_memory[Block * GLOB_LLD_PAGES - + Page]), - DeviceInfo.wPageDataSize); - } - read_data += DeviceInfo.wPageDataSize; - Page++; - } - - return PASS; -} - -#ifndef ELDORA -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Read_Page_Main_Spare -* Inputs: Write Buffer -* Address -* Buffer size -* Outputs: PASS=0 (notice 0=ok here) -* Description: Read from flash main+spare area -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Read_Page_Main_Spare(u8 *read_data, u32 Block, - u16 Page, u16 PageCount) -{ - int i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "Read Page Main+Spare " - "Error: Block Address too big\n"); - return FAIL; - } - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "Read Page Main+Spare " - "Error: Page number too big\n"); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Read Page Main + Spare - " - "No. of pages %u block %u start page %u\n", - (unsigned int)PageCount, - (unsigned int)Block, (unsigned int)Page); - - for (i = 0; i < PageCount; i++) { - if (NULL == flash_memory[Block * GLOB_LLD_PAGES + Page]) { - memset(read_data, 0xFF, DeviceInfo.wPageSize); - } else { - memcpy(read_data, (u8 *) (flash_memory[Block * - GLOB_LLD_PAGES - + Page]), - DeviceInfo.wPageSize); - } - - read_data += DeviceInfo.wPageSize; - Page++; - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Write_Page_Main_Spare -* Inputs: Write buffer -* address -* buffer length -* Outputs: PASS=0 (notice 0=ok here) -* Description: Write the buffer to main+spare area of flash -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Write_Page_Main_Spare(u8 *write_data, u32 Block, - u16 Page, u16 page_count) -{ - u16 i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "Write Page Main + Spare " - "Error: Block Address too big\n"); - return FAIL; - } - - if (Page + page_count > DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "Write Page Main + Spare " - "Error: Page number too big\n"); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Write Page Main+Spare - " - "No. of pages %u block %u start page %u\n", - (unsigned int)page_count, - (unsigned int)Block, (unsigned int)Page); - - for (i = 0; i < page_count; i++) { - if (NULL == flash_memory[Block * GLOB_LLD_PAGES + Page]) { - printk(KERN_ERR "Run out of memory!\n"); - return FAIL; - } - memcpy((u8 *) (flash_memory[Block * GLOB_LLD_PAGES + Page]), - write_data, DeviceInfo.wPageSize); - write_data += DeviceInfo.wPageSize; - Page++; - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Write_Page_Spare -* Inputs: Write buffer -* Address -* buffer size -* Outputs: PASS=0 (notice 0=ok here) -* Description: Write the buffer in the spare area -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Write_Page_Spare(u8 *write_data, u32 Block, - u16 Page, u16 PageCount) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "Read Page Spare Error: " - "Block Address too big\n"); - return FAIL; - } - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "Read Page Spare Error: " - "Page number too big\n"); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Write Page Spare- " - "block %u page %u\n", - (unsigned int)Block, (unsigned int)Page); - - if (NULL == flash_memory[Block * GLOB_LLD_PAGES + Page]) { - printk(KERN_ERR "Run out of memory!\n"); - return FAIL; - } - - memcpy((u8 *) (flash_memory[Block * GLOB_LLD_PAGES + Page] + - DeviceInfo.wPageDataSize), write_data, - (DeviceInfo.wPageSize - DeviceInfo.wPageDataSize)); - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Read_Page_Spare -* Inputs: Write Buffer -* Address -* Buffer size -* Outputs: PASS=0 (notice 0=ok here) -* Description: Read data from the spare area -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_Read_Page_Spare(u8 *write_data, u32 Block, - u16 Page, u16 PageCount) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "Read Page Spare " - "Error: Block Address too big\n"); - return FAIL; - } - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "Read Page Spare " - "Error: Page number too big\n"); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Read Page Spare- " - "block %u page %u\n", - (unsigned int)Block, (unsigned int)Page); - - if (NULL == flash_memory[Block * GLOB_LLD_PAGES + Page]) { - memset(write_data, 0xFF, - (DeviceInfo.wPageSize - DeviceInfo.wPageDataSize)); - } else { - memcpy(write_data, - (u8 *) (flash_memory[Block * GLOB_LLD_PAGES + Page] - + DeviceInfo.wPageDataSize), - (DeviceInfo.wPageSize - DeviceInfo.wPageDataSize)); - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Enable_Disable_Interrupts -* Inputs: enable or disable -* Outputs: none -* Description: NOP -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -void emu_Enable_Disable_Interrupts(u16 INT_ENABLE) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); -} - -u16 emu_Get_Bad_Block(u32 block) -{ - return 0; -} - -#if CMD_DMA -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Support for CDMA functions -************************************ -* emu_CDMA_Flash_Init -* CDMA_process_data command (use LLD_CDMA) -* CDMA_MemCopy_CMD (use LLD_CDMA) -* emu_CDMA_execute all commands -* emu_CDMA_Event_Status -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_CDMA_Flash_Init(void) -{ - u16 i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < MAX_DESCS + MAX_CHANS; i++) { - PendingCMD[i].CMD = 0; - PendingCMD[i].Tag = 0; - PendingCMD[i].DataAddr = 0; - PendingCMD[i].Block = 0; - PendingCMD[i].Page = 0; - PendingCMD[i].PageCount = 0; - PendingCMD[i].DataDestAddr = 0; - PendingCMD[i].DataSrcAddr = 0; - PendingCMD[i].MemCopyByteCnt = 0; - PendingCMD[i].ChanSync[0] = 0; - PendingCMD[i].ChanSync[1] = 0; - PendingCMD[i].ChanSync[2] = 0; - PendingCMD[i].ChanSync[3] = 0; - PendingCMD[i].ChanSync[4] = 0; - PendingCMD[i].Status = 3; - } - - return PASS; -} - -static void emu_isr(int irq, void *dev_id) -{ - /* TODO: ... */ -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: CDMA_Execute_CMDs -* Inputs: tag_count: the number of pending cmds to do -* Outputs: PASS/FAIL -* Description: execute each command in the pending CMD array -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_CDMA_Execute_CMDs(u16 tag_count) -{ - u16 i, j; - u8 CMD; /* cmd parameter */ - u8 *data; - u32 block; - u16 page; - u16 count; - u16 status = PASS; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - nand_dbg_print(NAND_DBG_TRACE, "At start of Execute CMDs: " - "Tag Count %u\n", tag_count); - - for (i = 0; i < totalUsedBanks; i++) { - PendingCMD[i].CMD = DUMMY_CMD; - PendingCMD[i].Tag = 0xFF; - PendingCMD[i].Block = - (DeviceInfo.wTotalBlocks / totalUsedBanks) * i; - - for (j = 0; j <= MAX_CHANS; j++) - PendingCMD[i].ChanSync[j] = 0; - } - - CDMA_Execute_CMDs(tag_count); - - print_pending_cmds(tag_count); - -#if DEBUG_SYNC - } - debug_sync_cnt++; -#endif - - for (i = MAX_CHANS; - i < tag_count + MAX_CHANS; i++) { - CMD = PendingCMD[i].CMD; - data = PendingCMD[i].DataAddr; - block = PendingCMD[i].Block; - page = PendingCMD[i].Page; - count = PendingCMD[i].PageCount; - - switch (CMD) { - case ERASE_CMD: - emu_Erase_Block(block); - PendingCMD[i].Status = PASS; - break; - case WRITE_MAIN_CMD: - emu_Write_Page_Main(data, block, page, count); - PendingCMD[i].Status = PASS; - break; - case WRITE_MAIN_SPARE_CMD: - emu_Write_Page_Main_Spare(data, block, page, count); - PendingCMD[i].Status = PASS; - break; - case READ_MAIN_CMD: - emu_Read_Page_Main(data, block, page, count); - PendingCMD[i].Status = PASS; - break; - case MEMCOPY_CMD: - memcpy(PendingCMD[i].DataDestAddr, - PendingCMD[i].DataSrcAddr, - PendingCMD[i].MemCopyByteCnt); - case DUMMY_CMD: - PendingCMD[i].Status = PASS; - break; - default: - PendingCMD[i].Status = FAIL; - break; - } - } - - /* - * Temperory adding code to reset PendingCMD array for basic testing. - * It should be done at the end of event status function. - */ - for (i = tag_count + MAX_CHANS; i < MAX_DESCS; i++) { - PendingCMD[i].CMD = 0; - PendingCMD[i].Tag = 0; - PendingCMD[i].DataAddr = 0; - PendingCMD[i].Block = 0; - PendingCMD[i].Page = 0; - PendingCMD[i].PageCount = 0; - PendingCMD[i].DataDestAddr = 0; - PendingCMD[i].DataSrcAddr = 0; - PendingCMD[i].MemCopyByteCnt = 0; - PendingCMD[i].ChanSync[0] = 0; - PendingCMD[i].ChanSync[1] = 0; - PendingCMD[i].ChanSync[2] = 0; - PendingCMD[i].ChanSync[3] = 0; - PendingCMD[i].ChanSync[4] = 0; - PendingCMD[i].Status = CMD_NOT_DONE; - } - - nand_dbg_print(NAND_DBG_TRACE, "At end of Execute CMDs.\n"); - - emu_isr(0, 0); /* This is a null isr now. Need fill it in future */ - - return status; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: emu_Event_Status -* Inputs: none -* Outputs: Event_Status code -* Description: This function can also be used to force errors -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 emu_CDMA_Event_Status(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return EVENT_PASS; -} - -#endif /* CMD_DMA */ -#endif /* !ELDORA */ -#endif /* FLASH_EMU */ diff --git a/drivers/staging/spectra/lld_emu.h b/drivers/staging/spectra/lld_emu.h deleted file mode 100644 index 63f84c38d3c1..000000000000 --- a/drivers/staging/spectra/lld_emu.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef _LLD_EMU_ -#define _LLD_EMU_ - -#include "ffsport.h" -#include "ffsdefs.h" - -/* prototypes: emulator API functions */ -extern u16 emu_Flash_Reset(void); -extern u16 emu_Flash_Init(void); -extern int emu_Flash_Release(void); -extern u16 emu_Read_Device_ID(void); -extern u16 emu_Erase_Block(u32 block_addr); -extern u16 emu_Write_Page_Main(u8 *write_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 emu_Read_Page_Main(u8 *read_data, u32 Block, u16 Page, - u16 PageCount); -extern u16 emu_Event_Status(void); -extern void emu_Enable_Disable_Interrupts(u16 INT_ENABLE); -extern u16 emu_Write_Page_Main_Spare(u8 *write_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 emu_Write_Page_Spare(u8 *write_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 emu_Read_Page_Main_Spare(u8 *read_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 emu_Read_Page_Spare(u8 *read_data, u32 Block, u16 Page, - u16 PageCount); -extern u16 emu_Get_Bad_Block(u32 block); - -u16 emu_CDMA_Flash_Init(void); -u16 emu_CDMA_Execute_CMDs(u16 tag_count); -u16 emu_CDMA_Event_Status(void); -#endif /*_LLD_EMU_*/ diff --git a/drivers/staging/spectra/lld_mtd.c b/drivers/staging/spectra/lld_mtd.c deleted file mode 100644 index a9c309a167c2..000000000000 --- a/drivers/staging/spectra/lld_mtd.c +++ /dev/null @@ -1,683 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include <linux/fs.h> -#include <linux/slab.h> -#include <linux/mtd/mtd.h> -#include "flash.h" -#include "ffsdefs.h" -#include "lld_emu.h" -#include "lld.h" -#if CMD_DMA -#include "lld_cdma.h" -u32 totalUsedBanks; -u32 valid_banks[MAX_CHANS]; -#endif - -#define GLOB_LLD_PAGES 64 -#define GLOB_LLD_PAGE_SIZE (512+16) -#define GLOB_LLD_PAGE_DATA_SIZE 512 -#define GLOB_LLD_BLOCKS 2048 - -static struct mtd_info *spectra_mtd; -static int mtddev = -1; -module_param(mtddev, int, 0); - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Flash_Init -* Inputs: none -* Outputs: PASS=0 (notice 0=ok here) -* Description: Creates & initializes the flash RAM array. -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Flash_Init(void) -{ - if (mtddev == -1) { - printk(KERN_ERR "No MTD device specified. Give mtddev parameter\n"); - return FAIL; - } - - spectra_mtd = get_mtd_device(NULL, mtddev); - if (!spectra_mtd) { - printk(KERN_ERR "Failed to obtain MTD device #%d\n", mtddev); - return FAIL; - } - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Flash_Release -* Inputs: none -* Outputs: PASS=0 (notice 0=ok here) -* Description: Releases the flash. -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -int mtd_Flash_Release(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - if (!spectra_mtd) - return PASS; - - put_mtd_device(spectra_mtd); - spectra_mtd = NULL; - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Read_Device_ID -* Inputs: none -* Outputs: PASS=1 FAIL=0 -* Description: Reads the info from the controller registers. -* Sets up DeviceInfo structure with device parameters -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ - -u16 mtd_Read_Device_ID(void) -{ - uint64_t tmp; - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (!spectra_mtd) - return FAIL; - - DeviceInfo.wDeviceMaker = 0; - DeviceInfo.wDeviceType = 8; - DeviceInfo.wSpectraStartBlock = SPECTRA_START_BLOCK; - tmp = spectra_mtd->size; - do_div(tmp, spectra_mtd->erasesize); - DeviceInfo.wTotalBlocks = tmp; - DeviceInfo.wSpectraEndBlock = DeviceInfo.wTotalBlocks - 1; - DeviceInfo.wPagesPerBlock = spectra_mtd->erasesize / spectra_mtd->writesize; - DeviceInfo.wPageSize = spectra_mtd->writesize + spectra_mtd->oobsize; - DeviceInfo.wPageDataSize = spectra_mtd->writesize; - DeviceInfo.wPageSpareSize = spectra_mtd->oobsize; - DeviceInfo.wBlockSize = DeviceInfo.wPageSize * DeviceInfo.wPagesPerBlock; - DeviceInfo.wBlockDataSize = DeviceInfo.wPageDataSize * DeviceInfo.wPagesPerBlock; - DeviceInfo.wDataBlockNum = (u32) (DeviceInfo.wSpectraEndBlock - - DeviceInfo.wSpectraStartBlock - + 1); - DeviceInfo.MLCDevice = 0;//spectra_mtd->celltype & NAND_CI_CELLTYPE_MSK; - DeviceInfo.nBitsInPageNumber = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wPagesPerBlock); - DeviceInfo.nBitsInPageDataSize = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wPageDataSize); - DeviceInfo.nBitsInBlockDataSize = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wBlockDataSize); - -#if CMD_DMA - totalUsedBanks = 4; - valid_banks[0] = 1; - valid_banks[1] = 1; - valid_banks[2] = 1; - valid_banks[3] = 1; -#endif - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Flash_Reset -* Inputs: none -* Outputs: PASS=0 (notice 0=ok here) -* Description: Reset the flash -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Flash_Reset(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return PASS; -} - -void erase_callback(struct erase_info *e) -{ - complete((void *)e->priv); -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Erase_Block -* Inputs: Address -* Outputs: PASS=0 (notice 0=ok here) -* Description: Erase a block -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Erase_Block(u32 block_add) -{ - struct erase_info erase; - DECLARE_COMPLETION_ONSTACK(comp); - int ret; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (block_add >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "mtd_Erase_Block error! " - "Too big block address: %d\n", block_add); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Erasing block %d\n", - (int)block_add); - - erase.mtd = spectra_mtd; - erase.callback = erase_callback; - erase.addr = block_add * spectra_mtd->erasesize; - erase.len = spectra_mtd->erasesize; - erase.priv = (unsigned long)∁ - - ret = spectra_mtd->erase(spectra_mtd, &erase); - if (!ret) { - wait_for_completion(&comp); - if (erase.state != MTD_ERASE_DONE) - ret = -EIO; - } - if (ret) { - printk(KERN_WARNING "mtd_Erase_Block error! " - "erase of region [0x%llx, 0x%llx] failed\n", - erase.addr, erase.len); - return FAIL; - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Write_Page_Main -* Inputs: Write buffer address pointer -* Block number -* Page number -* Number of pages to process -* Outputs: PASS=0 (notice 0=ok here) -* Description: Write the data in the buffer to main area of flash -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Write_Page_Main(u8 *write_data, u32 Block, - u16 Page, u16 PageCount) -{ - size_t retlen; - int ret = 0; - - if (Block >= DeviceInfo.wTotalBlocks) - return FAIL; - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) - return FAIL; - - nand_dbg_print(NAND_DBG_DEBUG, "mtd_Write_Page_Main: " - "lba %u Page %u PageCount %u\n", - (unsigned int)Block, - (unsigned int)Page, (unsigned int)PageCount); - - - while (PageCount) { - ret = spectra_mtd->write(spectra_mtd, - (Block * spectra_mtd->erasesize) + (Page * spectra_mtd->writesize), - DeviceInfo.wPageDataSize, &retlen, write_data); - if (ret) { - printk(KERN_ERR "%s failed %d\n", __func__, ret); - return FAIL; - } - write_data += DeviceInfo.wPageDataSize; - Page++; - PageCount--; - } - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Read_Page_Main -* Inputs: Read buffer address pointer -* Block number -* Page number -* Number of pages to process -* Outputs: PASS=0 (notice 0=ok here) -* Description: Read the data from the flash main area to the buffer -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Read_Page_Main(u8 *read_data, u32 Block, - u16 Page, u16 PageCount) -{ - size_t retlen; - int ret = 0; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) - return FAIL; - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) - return FAIL; - - nand_dbg_print(NAND_DBG_DEBUG, "mtd_Read_Page_Main: " - "lba %u Page %u PageCount %u\n", - (unsigned int)Block, - (unsigned int)Page, (unsigned int)PageCount); - - - while (PageCount) { - ret = spectra_mtd->read(spectra_mtd, - (Block * spectra_mtd->erasesize) + (Page * spectra_mtd->writesize), - DeviceInfo.wPageDataSize, &retlen, read_data); - if (ret) { - printk(KERN_ERR "%s failed %d\n", __func__, ret); - return FAIL; - } - read_data += DeviceInfo.wPageDataSize; - Page++; - PageCount--; - } - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return PASS; -} - -#ifndef ELDORA -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Read_Page_Main_Spare -* Inputs: Write Buffer -* Address -* Buffer size -* Outputs: PASS=0 (notice 0=ok here) -* Description: Read from flash main+spare area -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Read_Page_Main_Spare(u8 *read_data, u32 Block, - u16 Page, u16 PageCount) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "Read Page Main+Spare " - "Error: Block Address too big\n"); - return FAIL; - } - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "Read Page Main+Spare " - "Error: Page number %d+%d too big in block %d\n", - Page, PageCount, Block); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Read Page Main + Spare - " - "No. of pages %u block %u start page %u\n", - (unsigned int)PageCount, - (unsigned int)Block, (unsigned int)Page); - - - while (PageCount) { - struct mtd_oob_ops ops; - int ret; - - ops.mode = MTD_OPS_AUTO_OOB; - ops.datbuf = read_data; - ops.len = DeviceInfo.wPageDataSize; - ops.oobbuf = read_data + DeviceInfo.wPageDataSize + BTSIG_OFFSET; - ops.ooblen = BTSIG_BYTES; - ops.ooboffs = 0; - - ret = spectra_mtd->read_oob(spectra_mtd, - (Block * spectra_mtd->erasesize) + (Page * spectra_mtd->writesize), - &ops); - if (ret) { - printk(KERN_ERR "%s failed %d\n", __func__, ret); - return FAIL; - } - read_data += DeviceInfo.wPageSize; - Page++; - PageCount--; - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Write_Page_Main_Spare -* Inputs: Write buffer -* address -* buffer length -* Outputs: PASS=0 (notice 0=ok here) -* Description: Write the buffer to main+spare area of flash -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Write_Page_Main_Spare(u8 *write_data, u32 Block, - u16 Page, u16 page_count) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "Write Page Main + Spare " - "Error: Block Address too big\n"); - return FAIL; - } - - if (Page + page_count > DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "Write Page Main + Spare " - "Error: Page number %d+%d too big in block %d\n", - Page, page_count, Block); - WARN_ON(1); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Write Page Main+Spare - " - "No. of pages %u block %u start page %u\n", - (unsigned int)page_count, - (unsigned int)Block, (unsigned int)Page); - - while (page_count) { - struct mtd_oob_ops ops; - int ret; - - ops.mode = MTD_OPS_AUTO_OOB; - ops.datbuf = write_data; - ops.len = DeviceInfo.wPageDataSize; - ops.oobbuf = write_data + DeviceInfo.wPageDataSize + BTSIG_OFFSET; - ops.ooblen = BTSIG_BYTES; - ops.ooboffs = 0; - - ret = spectra_mtd->write_oob(spectra_mtd, - (Block * spectra_mtd->erasesize) + (Page * spectra_mtd->writesize), - &ops); - if (ret) { - printk(KERN_ERR "%s failed %d\n", __func__, ret); - return FAIL; - } - write_data += DeviceInfo.wPageSize; - Page++; - page_count--; - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Write_Page_Spare -* Inputs: Write buffer -* Address -* buffer size -* Outputs: PASS=0 (notice 0=ok here) -* Description: Write the buffer in the spare area -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Write_Page_Spare(u8 *write_data, u32 Block, - u16 Page, u16 PageCount) -{ - WARN_ON(1); - return FAIL; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Read_Page_Spare -* Inputs: Write Buffer -* Address -* Buffer size -* Outputs: PASS=0 (notice 0=ok here) -* Description: Read data from the spare area -* -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_Read_Page_Spare(u8 *read_data, u32 Block, - u16 Page, u16 PageCount) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (Block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "Read Page Spare " - "Error: Block Address too big\n"); - return FAIL; - } - - if (Page + PageCount > DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "Read Page Spare " - "Error: Page number too big\n"); - return FAIL; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Read Page Spare- " - "block %u page %u (%u pages)\n", - (unsigned int)Block, (unsigned int)Page, PageCount); - - while (PageCount) { - struct mtd_oob_ops ops; - int ret; - - ops.mode = MTD_OPS_AUTO_OOB; - ops.datbuf = NULL; - ops.len = 0; - ops.oobbuf = read_data; - ops.ooblen = BTSIG_BYTES; - ops.ooboffs = 0; - - ret = spectra_mtd->read_oob(spectra_mtd, - (Block * spectra_mtd->erasesize) + (Page * spectra_mtd->writesize), - &ops); - if (ret) { - printk(KERN_ERR "%s failed %d\n", __func__, ret); - return FAIL; - } - - read_data += DeviceInfo.wPageSize; - Page++; - PageCount--; - } - - return PASS; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Enable_Disable_Interrupts -* Inputs: enable or disable -* Outputs: none -* Description: NOP -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -void mtd_Enable_Disable_Interrupts(u16 INT_ENABLE) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); -} - -u16 mtd_Get_Bad_Block(u32 block) -{ - return 0; -} - -#if CMD_DMA -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Support for CDMA functions -************************************ -* mtd_CDMA_Flash_Init -* CDMA_process_data command (use LLD_CDMA) -* CDMA_MemCopy_CMD (use LLD_CDMA) -* mtd_CDMA_execute all commands -* mtd_CDMA_Event_Status -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_CDMA_Flash_Init(void) -{ - u16 i; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0; i < MAX_DESCS + MAX_CHANS; i++) { - PendingCMD[i].CMD = 0; - PendingCMD[i].Tag = 0; - PendingCMD[i].DataAddr = 0; - PendingCMD[i].Block = 0; - PendingCMD[i].Page = 0; - PendingCMD[i].PageCount = 0; - PendingCMD[i].DataDestAddr = 0; - PendingCMD[i].DataSrcAddr = 0; - PendingCMD[i].MemCopyByteCnt = 0; - PendingCMD[i].ChanSync[0] = 0; - PendingCMD[i].ChanSync[1] = 0; - PendingCMD[i].ChanSync[2] = 0; - PendingCMD[i].ChanSync[3] = 0; - PendingCMD[i].ChanSync[4] = 0; - PendingCMD[i].Status = 3; - } - - return PASS; -} - -static void mtd_isr(int irq, void *dev_id) -{ - /* TODO: ... */ -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: CDMA_Execute_CMDs -* Inputs: tag_count: the number of pending cmds to do -* Outputs: PASS/FAIL -* Description: execute each command in the pending CMD array -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_CDMA_Execute_CMDs(u16 tag_count) -{ - u16 i, j; - u8 CMD; /* cmd parameter */ - u8 *data; - u32 block; - u16 page; - u16 count; - u16 status = PASS; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - nand_dbg_print(NAND_DBG_TRACE, "At start of Execute CMDs: " - "Tag Count %u\n", tag_count); - - for (i = 0; i < totalUsedBanks; i++) { - PendingCMD[i].CMD = DUMMY_CMD; - PendingCMD[i].Tag = 0xFF; - PendingCMD[i].Block = - (DeviceInfo.wTotalBlocks / totalUsedBanks) * i; - - for (j = 0; j <= MAX_CHANS; j++) - PendingCMD[i].ChanSync[j] = 0; - } - - CDMA_Execute_CMDs(tag_count); - -#ifdef VERBOSE - print_pending_cmds(tag_count); -#endif -#if DEBUG_SYNC - } - debug_sync_cnt++; -#endif - - for (i = MAX_CHANS; - i < tag_count + MAX_CHANS; i++) { - CMD = PendingCMD[i].CMD; - data = PendingCMD[i].DataAddr; - block = PendingCMD[i].Block; - page = PendingCMD[i].Page; - count = PendingCMD[i].PageCount; - - switch (CMD) { - case ERASE_CMD: - mtd_Erase_Block(block); - PendingCMD[i].Status = PASS; - break; - case WRITE_MAIN_CMD: - mtd_Write_Page_Main(data, block, page, count); - PendingCMD[i].Status = PASS; - break; - case WRITE_MAIN_SPARE_CMD: - mtd_Write_Page_Main_Spare(data, block, page, count); - PendingCMD[i].Status = PASS; - break; - case READ_MAIN_CMD: - mtd_Read_Page_Main(data, block, page, count); - PendingCMD[i].Status = PASS; - break; - case MEMCOPY_CMD: - memcpy(PendingCMD[i].DataDestAddr, - PendingCMD[i].DataSrcAddr, - PendingCMD[i].MemCopyByteCnt); - case DUMMY_CMD: - PendingCMD[i].Status = PASS; - break; - default: - PendingCMD[i].Status = FAIL; - break; - } - } - - /* - * Temperory adding code to reset PendingCMD array for basic testing. - * It should be done at the end of event status function. - */ - for (i = tag_count + MAX_CHANS; i < MAX_DESCS; i++) { - PendingCMD[i].CMD = 0; - PendingCMD[i].Tag = 0; - PendingCMD[i].DataAddr = 0; - PendingCMD[i].Block = 0; - PendingCMD[i].Page = 0; - PendingCMD[i].PageCount = 0; - PendingCMD[i].DataDestAddr = 0; - PendingCMD[i].DataSrcAddr = 0; - PendingCMD[i].MemCopyByteCnt = 0; - PendingCMD[i].ChanSync[0] = 0; - PendingCMD[i].ChanSync[1] = 0; - PendingCMD[i].ChanSync[2] = 0; - PendingCMD[i].ChanSync[3] = 0; - PendingCMD[i].ChanSync[4] = 0; - PendingCMD[i].Status = CMD_NOT_DONE; - } - - nand_dbg_print(NAND_DBG_TRACE, "At end of Execute CMDs.\n"); - - mtd_isr(0, 0); /* This is a null isr now. Need fill it in future */ - - return status; -} - -/*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& -* Function: mtd_Event_Status -* Inputs: none -* Outputs: Event_Status code -* Description: This function can also be used to force errors -*&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&*/ -u16 mtd_CDMA_Event_Status(void) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - return EVENT_PASS; -} - -#endif /* CMD_DMA */ -#endif /* !ELDORA */ diff --git a/drivers/staging/spectra/lld_mtd.h b/drivers/staging/spectra/lld_mtd.h deleted file mode 100644 index 4e81ee87b53d..000000000000 --- a/drivers/staging/spectra/lld_mtd.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef _LLD_MTD_ -#define _LLD_MTD_ - -#include "ffsport.h" -#include "ffsdefs.h" - -/* prototypes: MTD API functions */ -extern u16 mtd_Flash_Reset(void); -extern u16 mtd_Flash_Init(void); -extern int mtd_Flash_Release(void); -extern u16 mtd_Read_Device_ID(void); -extern u16 mtd_Erase_Block(u32 block_addr); -extern u16 mtd_Write_Page_Main(u8 *write_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 mtd_Read_Page_Main(u8 *read_data, u32 Block, u16 Page, - u16 PageCount); -extern u16 mtd_Event_Status(void); -extern void mtd_Enable_Disable_Interrupts(u16 INT_ENABLE); -extern u16 mtd_Write_Page_Main_Spare(u8 *write_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 mtd_Write_Page_Spare(u8 *write_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 mtd_Read_Page_Main_Spare(u8 *read_data, u32 Block, - u16 Page, u16 PageCount); -extern u16 mtd_Read_Page_Spare(u8 *read_data, u32 Block, u16 Page, - u16 PageCount); -extern u16 mtd_Get_Bad_Block(u32 block); - -u16 mtd_CDMA_Flash_Init(void); -u16 mtd_CDMA_Execute_CMDs(u16 tag_count); -u16 mtd_CDMA_Event_Status(void); -#endif /*_LLD_MTD_*/ diff --git a/drivers/staging/spectra/lld_nand.c b/drivers/staging/spectra/lld_nand.c deleted file mode 100644 index 60a14ff26c7f..000000000000 --- a/drivers/staging/spectra/lld_nand.c +++ /dev/null @@ -1,2619 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include "lld.h" -#include "lld_nand.h" -#include "lld_cdma.h" - -#include "spectraswconfig.h" -#include "flash.h" -#include "ffsdefs.h" - -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/wait.h> -#include <linux/mutex.h> - -#include "nand_regs.h" - -#define SPECTRA_NAND_NAME "nd" - -#define CEIL_DIV(X, Y) (((X)%(Y)) ? ((X)/(Y)+1) : ((X)/(Y))) -#define MAX_PAGES_PER_RW 128 - -#define INT_IDLE_STATE 0 -#define INT_READ_PAGE_MAIN 0x01 -#define INT_WRITE_PAGE_MAIN 0x02 -#define INT_PIPELINE_READ_AHEAD 0x04 -#define INT_PIPELINE_WRITE_AHEAD 0x08 -#define INT_MULTI_PLANE_READ 0x10 -#define INT_MULTI_PLANE_WRITE 0x11 - -static u32 enable_ecc; - -struct mrst_nand_info info; - -int totalUsedBanks; -u32 GLOB_valid_banks[LLD_MAX_FLASH_BANKS]; - -void __iomem *FlashReg; -void __iomem *FlashMem; - -u16 conf_parameters[] = { - 0x0000, - 0x0000, - 0x01F4, - 0x01F4, - 0x01F4, - 0x01F4, - 0x0000, - 0x0000, - 0x0001, - 0x0000, - 0x0000, - 0x0000, - 0x0000, - 0x0040, - 0x0001, - 0x000A, - 0x000A, - 0x000A, - 0x0000, - 0x0000, - 0x0005, - 0x0012, - 0x000C -}; - -u16 NAND_Get_Bad_Block(u32 block) -{ - u32 status = PASS; - u32 flag_bytes = 0; - u32 skip_bytes = DeviceInfo.wSpareSkipBytes; - u32 page, i; - u8 *pReadSpareBuf = buf_get_bad_block; - - if (enable_ecc) - flag_bytes = DeviceInfo.wNumPageSpareFlag; - - for (page = 0; page < 2; page++) { - status = NAND_Read_Page_Spare(pReadSpareBuf, block, page, 1); - if (status != PASS) - return READ_ERROR; - for (i = flag_bytes; i < (flag_bytes + skip_bytes); i++) - if (pReadSpareBuf[i] != 0xff) - return DEFECTIVE_BLOCK; - } - - for (page = 1; page < 3; page++) { - status = NAND_Read_Page_Spare(pReadSpareBuf, block, - DeviceInfo.wPagesPerBlock - page , 1); - if (status != PASS) - return READ_ERROR; - for (i = flag_bytes; i < (flag_bytes + skip_bytes); i++) - if (pReadSpareBuf[i] != 0xff) - return DEFECTIVE_BLOCK; - } - - return GOOD_BLOCK; -} - - -u16 NAND_Flash_Reset(void) -{ - u32 i; - u32 intr_status_rst_comp[4] = {INTR_STATUS0__RST_COMP, - INTR_STATUS1__RST_COMP, - INTR_STATUS2__RST_COMP, - INTR_STATUS3__RST_COMP}; - u32 intr_status_time_out[4] = {INTR_STATUS0__TIME_OUT, - INTR_STATUS1__TIME_OUT, - INTR_STATUS2__TIME_OUT, - INTR_STATUS3__TIME_OUT}; - u32 intr_status[4] = {INTR_STATUS0, INTR_STATUS1, - INTR_STATUS2, INTR_STATUS3}; - u32 device_reset_banks[4] = {DEVICE_RESET__BANK0, - DEVICE_RESET__BANK1, - DEVICE_RESET__BANK2, - DEVICE_RESET__BANK3}; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++) - iowrite32(intr_status_rst_comp[i] | intr_status_time_out[i], - FlashReg + intr_status[i]); - - for (i = 0 ; i < LLD_MAX_FLASH_BANKS; i++) { - iowrite32(device_reset_banks[i], FlashReg + DEVICE_RESET); - while (!(ioread32(FlashReg + intr_status[i]) & - (intr_status_rst_comp[i] | intr_status_time_out[i]))) - ; - if (ioread32(FlashReg + intr_status[i]) & - intr_status_time_out[i]) - nand_dbg_print(NAND_DBG_WARN, - "NAND Reset operation timed out on bank %d\n", i); - } - - for (i = 0; i < LLD_MAX_FLASH_BANKS; i++) - iowrite32(intr_status_rst_comp[i] | intr_status_time_out[i], - FlashReg + intr_status[i]); - - return PASS; -} - -static void NAND_ONFi_Timing_Mode(u16 mode) -{ - u16 Trea[6] = {40, 30, 25, 20, 20, 16}; - u16 Trp[6] = {50, 25, 17, 15, 12, 10}; - u16 Treh[6] = {30, 15, 15, 10, 10, 7}; - u16 Trc[6] = {100, 50, 35, 30, 25, 20}; - u16 Trhoh[6] = {0, 15, 15, 15, 15, 15}; - u16 Trloh[6] = {0, 0, 0, 0, 5, 5}; - u16 Tcea[6] = {100, 45, 30, 25, 25, 25}; - u16 Tadl[6] = {200, 100, 100, 100, 70, 70}; - u16 Trhw[6] = {200, 100, 100, 100, 100, 100}; - u16 Trhz[6] = {200, 100, 100, 100, 100, 100}; - u16 Twhr[6] = {120, 80, 80, 60, 60, 60}; - u16 Tcs[6] = {70, 35, 25, 25, 20, 15}; - - u16 TclsRising = 1; - u16 data_invalid_rhoh, data_invalid_rloh, data_invalid; - u16 dv_window = 0; - u16 en_lo, en_hi; - u16 acc_clks; - u16 addr_2_data, re_2_we, re_2_re, we_2_re, cs_cnt; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - en_lo = CEIL_DIV(Trp[mode], CLK_X); - en_hi = CEIL_DIV(Treh[mode], CLK_X); - -#if ONFI_BLOOM_TIME - if ((en_hi * CLK_X) < (Treh[mode] + 2)) - en_hi++; -#endif - - if ((en_lo + en_hi) * CLK_X < Trc[mode]) - en_lo += CEIL_DIV((Trc[mode] - (en_lo + en_hi) * CLK_X), CLK_X); - - if ((en_lo + en_hi) < CLK_MULTI) - en_lo += CLK_MULTI - en_lo - en_hi; - - while (dv_window < 8) { - data_invalid_rhoh = en_lo * CLK_X + Trhoh[mode]; - - data_invalid_rloh = (en_lo + en_hi) * CLK_X + Trloh[mode]; - - data_invalid = - data_invalid_rhoh < - data_invalid_rloh ? data_invalid_rhoh : data_invalid_rloh; - - dv_window = data_invalid - Trea[mode]; - - if (dv_window < 8) - en_lo++; - } - - acc_clks = CEIL_DIV(Trea[mode], CLK_X); - - while (((acc_clks * CLK_X) - Trea[mode]) < 3) - acc_clks++; - - if ((data_invalid - acc_clks * CLK_X) < 2) - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d: Warning!\n", - __FILE__, __LINE__); - - addr_2_data = CEIL_DIV(Tadl[mode], CLK_X); - re_2_we = CEIL_DIV(Trhw[mode], CLK_X); - re_2_re = CEIL_DIV(Trhz[mode], CLK_X); - we_2_re = CEIL_DIV(Twhr[mode], CLK_X); - cs_cnt = CEIL_DIV((Tcs[mode] - Trp[mode]), CLK_X); - if (!TclsRising) - cs_cnt = CEIL_DIV(Tcs[mode], CLK_X); - if (cs_cnt == 0) - cs_cnt = 1; - - if (Tcea[mode]) { - while (((cs_cnt * CLK_X) + Trea[mode]) < Tcea[mode]) - cs_cnt++; - } - -#if MODE5_WORKAROUND - if (mode == 5) - acc_clks = 5; -#endif - - /* Sighting 3462430: Temporary hack for MT29F128G08CJABAWP:B */ - if ((ioread32(FlashReg + MANUFACTURER_ID) == 0) && - (ioread32(FlashReg + DEVICE_ID) == 0x88)) - acc_clks = 6; - - iowrite32(acc_clks, FlashReg + ACC_CLKS); - iowrite32(re_2_we, FlashReg + RE_2_WE); - iowrite32(re_2_re, FlashReg + RE_2_RE); - iowrite32(we_2_re, FlashReg + WE_2_RE); - iowrite32(addr_2_data, FlashReg + ADDR_2_DATA); - iowrite32(en_lo, FlashReg + RDWR_EN_LO_CNT); - iowrite32(en_hi, FlashReg + RDWR_EN_HI_CNT); - iowrite32(cs_cnt, FlashReg + CS_SETUP_CNT); -} - -static void index_addr(u32 address, u32 data) -{ - iowrite32(address, FlashMem); - iowrite32(data, FlashMem + 0x10); -} - -static void index_addr_read_data(u32 address, u32 *pdata) -{ - iowrite32(address, FlashMem); - *pdata = ioread32(FlashMem + 0x10); -} - -static void set_ecc_config(void) -{ -#if SUPPORT_8BITECC - if ((ioread32(FlashReg + DEVICE_MAIN_AREA_SIZE) < 4096) || - (ioread32(FlashReg + DEVICE_SPARE_AREA_SIZE) <= 128)) - iowrite32(8, FlashReg + ECC_CORRECTION); -#endif - - if ((ioread32(FlashReg + ECC_CORRECTION) & ECC_CORRECTION__VALUE) - == 1) { - DeviceInfo.wECCBytesPerSector = 4; - DeviceInfo.wECCBytesPerSector *= DeviceInfo.wDevicesConnected; - DeviceInfo.wNumPageSpareFlag = - DeviceInfo.wPageSpareSize - - DeviceInfo.wPageDataSize / - (ECC_SECTOR_SIZE * DeviceInfo.wDevicesConnected) * - DeviceInfo.wECCBytesPerSector - - DeviceInfo.wSpareSkipBytes; - } else { - DeviceInfo.wECCBytesPerSector = - (ioread32(FlashReg + ECC_CORRECTION) & - ECC_CORRECTION__VALUE) * 13 / 8; - if ((DeviceInfo.wECCBytesPerSector) % 2 == 0) - DeviceInfo.wECCBytesPerSector += 2; - else - DeviceInfo.wECCBytesPerSector += 1; - - DeviceInfo.wECCBytesPerSector *= DeviceInfo.wDevicesConnected; - DeviceInfo.wNumPageSpareFlag = DeviceInfo.wPageSpareSize - - DeviceInfo.wPageDataSize / - (ECC_SECTOR_SIZE * DeviceInfo.wDevicesConnected) * - DeviceInfo.wECCBytesPerSector - - DeviceInfo.wSpareSkipBytes; - } -} - -static u16 get_onfi_nand_para(void) -{ - int i; - u16 blks_lun_l, blks_lun_h, n_of_luns; - u32 blockperlun, id; - - iowrite32(DEVICE_RESET__BANK0, FlashReg + DEVICE_RESET); - - while (!((ioread32(FlashReg + INTR_STATUS0) & - INTR_STATUS0__RST_COMP) | - (ioread32(FlashReg + INTR_STATUS0) & - INTR_STATUS0__TIME_OUT))) - ; - - if (ioread32(FlashReg + INTR_STATUS0) & INTR_STATUS0__RST_COMP) { - iowrite32(DEVICE_RESET__BANK1, FlashReg + DEVICE_RESET); - while (!((ioread32(FlashReg + INTR_STATUS1) & - INTR_STATUS1__RST_COMP) | - (ioread32(FlashReg + INTR_STATUS1) & - INTR_STATUS1__TIME_OUT))) - ; - - if (ioread32(FlashReg + INTR_STATUS1) & - INTR_STATUS1__RST_COMP) { - iowrite32(DEVICE_RESET__BANK2, - FlashReg + DEVICE_RESET); - while (!((ioread32(FlashReg + INTR_STATUS2) & - INTR_STATUS2__RST_COMP) | - (ioread32(FlashReg + INTR_STATUS2) & - INTR_STATUS2__TIME_OUT))) - ; - - if (ioread32(FlashReg + INTR_STATUS2) & - INTR_STATUS2__RST_COMP) { - iowrite32(DEVICE_RESET__BANK3, - FlashReg + DEVICE_RESET); - while (!((ioread32(FlashReg + INTR_STATUS3) & - INTR_STATUS3__RST_COMP) | - (ioread32(FlashReg + INTR_STATUS3) & - INTR_STATUS3__TIME_OUT))) - ; - } else { - printk(KERN_ERR "Getting a time out for bank 2!\n"); - } - } else { - printk(KERN_ERR "Getting a time out for bank 1!\n"); - } - } - - iowrite32(INTR_STATUS0__TIME_OUT, FlashReg + INTR_STATUS0); - iowrite32(INTR_STATUS1__TIME_OUT, FlashReg + INTR_STATUS1); - iowrite32(INTR_STATUS2__TIME_OUT, FlashReg + INTR_STATUS2); - iowrite32(INTR_STATUS3__TIME_OUT, FlashReg + INTR_STATUS3); - - DeviceInfo.wONFIDevFeatures = - ioread32(FlashReg + ONFI_DEVICE_FEATURES); - DeviceInfo.wONFIOptCommands = - ioread32(FlashReg + ONFI_OPTIONAL_COMMANDS); - DeviceInfo.wONFITimingMode = - ioread32(FlashReg + ONFI_TIMING_MODE); - DeviceInfo.wONFIPgmCacheTimingMode = - ioread32(FlashReg + ONFI_PGM_CACHE_TIMING_MODE); - - n_of_luns = ioread32(FlashReg + ONFI_DEVICE_NO_OF_LUNS) & - ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS; - blks_lun_l = ioread32(FlashReg + ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L); - blks_lun_h = ioread32(FlashReg + ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U); - - blockperlun = (blks_lun_h << 16) | blks_lun_l; - - DeviceInfo.wTotalBlocks = n_of_luns * blockperlun; - - if (!(ioread32(FlashReg + ONFI_TIMING_MODE) & - ONFI_TIMING_MODE__VALUE)) - return FAIL; - - for (i = 5; i > 0; i--) { - if (ioread32(FlashReg + ONFI_TIMING_MODE) & (0x01 << i)) - break; - } - - NAND_ONFi_Timing_Mode(i); - - index_addr(MODE_11 | 0, 0x90); - index_addr(MODE_11 | 1, 0); - - for (i = 0; i < 3; i++) - index_addr_read_data(MODE_11 | 2, &id); - - nand_dbg_print(NAND_DBG_DEBUG, "3rd ID: 0x%x\n", id); - - DeviceInfo.MLCDevice = id & 0x0C; - - /* By now, all the ONFI devices we know support the page cache */ - /* rw feature. So here we enable the pipeline_rw_ahead feature */ - /* iowrite32(1, FlashReg + CACHE_WRITE_ENABLE); */ - /* iowrite32(1, FlashReg + CACHE_READ_ENABLE); */ - - return PASS; -} - -static void get_samsung_nand_para(void) -{ - u8 no_of_planes; - u32 blk_size; - u64 plane_size, capacity; - u32 id_bytes[5]; - int i; - - index_addr((u32)(MODE_11 | 0), 0x90); - index_addr((u32)(MODE_11 | 1), 0); - for (i = 0; i < 5; i++) - index_addr_read_data((u32)(MODE_11 | 2), &id_bytes[i]); - - nand_dbg_print(NAND_DBG_DEBUG, - "ID bytes: 0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n", - id_bytes[0], id_bytes[1], id_bytes[2], - id_bytes[3], id_bytes[4]); - - if ((id_bytes[1] & 0xff) == 0xd3) { /* Samsung K9WAG08U1A */ - /* Set timing register values according to datasheet */ - iowrite32(5, FlashReg + ACC_CLKS); - iowrite32(20, FlashReg + RE_2_WE); - iowrite32(12, FlashReg + WE_2_RE); - iowrite32(14, FlashReg + ADDR_2_DATA); - iowrite32(3, FlashReg + RDWR_EN_LO_CNT); - iowrite32(2, FlashReg + RDWR_EN_HI_CNT); - iowrite32(2, FlashReg + CS_SETUP_CNT); - } - - no_of_planes = 1 << ((id_bytes[4] & 0x0c) >> 2); - plane_size = (u64)64 << ((id_bytes[4] & 0x70) >> 4); - blk_size = 64 << ((ioread32(FlashReg + DEVICE_PARAM_1) & 0x30) >> 4); - capacity = (u64)128 * plane_size * no_of_planes; - - DeviceInfo.wTotalBlocks = (u32)GLOB_u64_Div(capacity, blk_size); -} - -static void get_toshiba_nand_para(void) -{ - void __iomem *scratch_reg; - u32 tmp; - - /* Workaround to fix a controller bug which reports a wrong */ - /* spare area size for some kind of Toshiba NAND device */ - if ((ioread32(FlashReg + DEVICE_MAIN_AREA_SIZE) == 4096) && - (ioread32(FlashReg + DEVICE_SPARE_AREA_SIZE) == 64)) { - iowrite32(216, FlashReg + DEVICE_SPARE_AREA_SIZE); - tmp = ioread32(FlashReg + DEVICES_CONNECTED) * - ioread32(FlashReg + DEVICE_SPARE_AREA_SIZE); - iowrite32(tmp, FlashReg + LOGICAL_PAGE_SPARE_SIZE); -#if SUPPORT_15BITECC - iowrite32(15, FlashReg + ECC_CORRECTION); -#elif SUPPORT_8BITECC - iowrite32(8, FlashReg + ECC_CORRECTION); -#endif - } - - /* As Toshiba NAND can not provide it's block number, */ - /* so here we need user to provide the correct block */ - /* number in a scratch register before the Linux NAND */ - /* driver is loaded. If no valid value found in the scratch */ - /* register, then we use default block number value */ - scratch_reg = ioremap_nocache(SCRATCH_REG_ADDR, SCRATCH_REG_SIZE); - if (!scratch_reg) { - printk(KERN_ERR "Spectra: ioremap failed in %s, Line %d", - __FILE__, __LINE__); - DeviceInfo.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - } else { - nand_dbg_print(NAND_DBG_WARN, - "Spectra: ioremap reg address: 0x%p\n", scratch_reg); - DeviceInfo.wTotalBlocks = 1 << ioread8(scratch_reg); - if (DeviceInfo.wTotalBlocks < 512) - DeviceInfo.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - iounmap(scratch_reg); - } -} - -static void get_hynix_nand_para(void) -{ - void __iomem *scratch_reg; - u32 main_size, spare_size; - - switch (DeviceInfo.wDeviceID) { - case 0xD5: /* Hynix H27UAG8T2A, H27UBG8U5A or H27UCG8VFA */ - case 0xD7: /* Hynix H27UDG8VEM, H27UCG8UDM or H27UCG8V5A */ - iowrite32(128, FlashReg + PAGES_PER_BLOCK); - iowrite32(4096, FlashReg + DEVICE_MAIN_AREA_SIZE); - iowrite32(224, FlashReg + DEVICE_SPARE_AREA_SIZE); - main_size = 4096 * ioread32(FlashReg + DEVICES_CONNECTED); - spare_size = 224 * ioread32(FlashReg + DEVICES_CONNECTED); - iowrite32(main_size, FlashReg + LOGICAL_PAGE_DATA_SIZE); - iowrite32(spare_size, FlashReg + LOGICAL_PAGE_SPARE_SIZE); - iowrite32(0, FlashReg + DEVICE_WIDTH); -#if SUPPORT_15BITECC - iowrite32(15, FlashReg + ECC_CORRECTION); -#elif SUPPORT_8BITECC - iowrite32(8, FlashReg + ECC_CORRECTION); -#endif - DeviceInfo.MLCDevice = 1; - break; - default: - nand_dbg_print(NAND_DBG_WARN, - "Spectra: Unknown Hynix NAND (Device ID: 0x%x)." - "Will use default parameter values instead.\n", - DeviceInfo.wDeviceID); - } - - scratch_reg = ioremap_nocache(SCRATCH_REG_ADDR, SCRATCH_REG_SIZE); - if (!scratch_reg) { - printk(KERN_ERR "Spectra: ioremap failed in %s, Line %d", - __FILE__, __LINE__); - DeviceInfo.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - } else { - nand_dbg_print(NAND_DBG_WARN, - "Spectra: ioremap reg address: 0x%p\n", scratch_reg); - DeviceInfo.wTotalBlocks = 1 << ioread8(scratch_reg); - if (DeviceInfo.wTotalBlocks < 512) - DeviceInfo.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - iounmap(scratch_reg); - } -} - -static void find_valid_banks(void) -{ - u32 id[LLD_MAX_FLASH_BANKS]; - int i; - - totalUsedBanks = 0; - for (i = 0; i < LLD_MAX_FLASH_BANKS; i++) { - index_addr((u32)(MODE_11 | (i << 24) | 0), 0x90); - index_addr((u32)(MODE_11 | (i << 24) | 1), 0); - index_addr_read_data((u32)(MODE_11 | (i << 24) | 2), &id[i]); - - nand_dbg_print(NAND_DBG_DEBUG, - "Return 1st ID for bank[%d]: %x\n", i, id[i]); - - if (i == 0) { - if (id[i] & 0x0ff) - GLOB_valid_banks[i] = 1; - } else { - if ((id[i] & 0x0ff) == (id[0] & 0x0ff)) - GLOB_valid_banks[i] = 1; - } - - totalUsedBanks += GLOB_valid_banks[i]; - } - - nand_dbg_print(NAND_DBG_DEBUG, - "totalUsedBanks: %d\n", totalUsedBanks); -} - -static void detect_partition_feature(void) -{ - if (ioread32(FlashReg + FEATURES) & FEATURES__PARTITION) { - if ((ioread32(FlashReg + PERM_SRC_ID_1) & - PERM_SRC_ID_1__SRCID) == SPECTRA_PARTITION_ID) { - DeviceInfo.wSpectraStartBlock = - ((ioread32(FlashReg + MIN_MAX_BANK_1) & - MIN_MAX_BANK_1__MIN_VALUE) * - DeviceInfo.wTotalBlocks) - + - (ioread32(FlashReg + MIN_BLK_ADDR_1) & - MIN_BLK_ADDR_1__VALUE); - - DeviceInfo.wSpectraEndBlock = - (((ioread32(FlashReg + MIN_MAX_BANK_1) & - MIN_MAX_BANK_1__MAX_VALUE) >> 2) * - DeviceInfo.wTotalBlocks) - + - (ioread32(FlashReg + MAX_BLK_ADDR_1) & - MAX_BLK_ADDR_1__VALUE); - - DeviceInfo.wTotalBlocks *= totalUsedBanks; - - if (DeviceInfo.wSpectraEndBlock >= - DeviceInfo.wTotalBlocks) { - DeviceInfo.wSpectraEndBlock = - DeviceInfo.wTotalBlocks - 1; - } - - DeviceInfo.wDataBlockNum = - DeviceInfo.wSpectraEndBlock - - DeviceInfo.wSpectraStartBlock + 1; - } else { - DeviceInfo.wTotalBlocks *= totalUsedBanks; - DeviceInfo.wSpectraStartBlock = SPECTRA_START_BLOCK; - DeviceInfo.wSpectraEndBlock = - DeviceInfo.wTotalBlocks - 1; - DeviceInfo.wDataBlockNum = - DeviceInfo.wSpectraEndBlock - - DeviceInfo.wSpectraStartBlock + 1; - } - } else { - DeviceInfo.wTotalBlocks *= totalUsedBanks; - DeviceInfo.wSpectraStartBlock = SPECTRA_START_BLOCK; - DeviceInfo.wSpectraEndBlock = DeviceInfo.wTotalBlocks - 1; - DeviceInfo.wDataBlockNum = - DeviceInfo.wSpectraEndBlock - - DeviceInfo.wSpectraStartBlock + 1; - } -} - -static void dump_device_info(void) -{ - nand_dbg_print(NAND_DBG_DEBUG, "DeviceInfo:\n"); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceMaker: 0x%x\n", - DeviceInfo.wDeviceMaker); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceID: 0x%x\n", - DeviceInfo.wDeviceID); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceType: 0x%x\n", - DeviceInfo.wDeviceType); - nand_dbg_print(NAND_DBG_DEBUG, "SpectraStartBlock: %d\n", - DeviceInfo.wSpectraStartBlock); - nand_dbg_print(NAND_DBG_DEBUG, "SpectraEndBlock: %d\n", - DeviceInfo.wSpectraEndBlock); - nand_dbg_print(NAND_DBG_DEBUG, "TotalBlocks: %d\n", - DeviceInfo.wTotalBlocks); - nand_dbg_print(NAND_DBG_DEBUG, "PagesPerBlock: %d\n", - DeviceInfo.wPagesPerBlock); - nand_dbg_print(NAND_DBG_DEBUG, "PageSize: %d\n", - DeviceInfo.wPageSize); - nand_dbg_print(NAND_DBG_DEBUG, "PageDataSize: %d\n", - DeviceInfo.wPageDataSize); - nand_dbg_print(NAND_DBG_DEBUG, "PageSpareSize: %d\n", - DeviceInfo.wPageSpareSize); - nand_dbg_print(NAND_DBG_DEBUG, "NumPageSpareFlag: %d\n", - DeviceInfo.wNumPageSpareFlag); - nand_dbg_print(NAND_DBG_DEBUG, "ECCBytesPerSector: %d\n", - DeviceInfo.wECCBytesPerSector); - nand_dbg_print(NAND_DBG_DEBUG, "BlockSize: %d\n", - DeviceInfo.wBlockSize); - nand_dbg_print(NAND_DBG_DEBUG, "BlockDataSize: %d\n", - DeviceInfo.wBlockDataSize); - nand_dbg_print(NAND_DBG_DEBUG, "DataBlockNum: %d\n", - DeviceInfo.wDataBlockNum); - nand_dbg_print(NAND_DBG_DEBUG, "PlaneNum: %d\n", - DeviceInfo.bPlaneNum); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceMainAreaSize: %d\n", - DeviceInfo.wDeviceMainAreaSize); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceSpareAreaSize: %d\n", - DeviceInfo.wDeviceSpareAreaSize); - nand_dbg_print(NAND_DBG_DEBUG, "DevicesConnected: %d\n", - DeviceInfo.wDevicesConnected); - nand_dbg_print(NAND_DBG_DEBUG, "DeviceWidth: %d\n", - DeviceInfo.wDeviceWidth); - nand_dbg_print(NAND_DBG_DEBUG, "HWRevision: 0x%x\n", - DeviceInfo.wHWRevision); - nand_dbg_print(NAND_DBG_DEBUG, "HWFeatures: 0x%x\n", - DeviceInfo.wHWFeatures); - nand_dbg_print(NAND_DBG_DEBUG, "ONFIDevFeatures: 0x%x\n", - DeviceInfo.wONFIDevFeatures); - nand_dbg_print(NAND_DBG_DEBUG, "ONFIOptCommands: 0x%x\n", - DeviceInfo.wONFIOptCommands); - nand_dbg_print(NAND_DBG_DEBUG, "ONFITimingMode: 0x%x\n", - DeviceInfo.wONFITimingMode); - nand_dbg_print(NAND_DBG_DEBUG, "ONFIPgmCacheTimingMode: 0x%x\n", - DeviceInfo.wONFIPgmCacheTimingMode); - nand_dbg_print(NAND_DBG_DEBUG, "MLCDevice: %s\n", - DeviceInfo.MLCDevice ? "Yes" : "No"); - nand_dbg_print(NAND_DBG_DEBUG, "SpareSkipBytes: %d\n", - DeviceInfo.wSpareSkipBytes); - nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageNumber: %d\n", - DeviceInfo.nBitsInPageNumber); - nand_dbg_print(NAND_DBG_DEBUG, "BitsInPageDataSize: %d\n", - DeviceInfo.nBitsInPageDataSize); - nand_dbg_print(NAND_DBG_DEBUG, "BitsInBlockDataSize: %d\n", - DeviceInfo.nBitsInBlockDataSize); -} - -u16 NAND_Read_Device_ID(void) -{ - u16 status = PASS; - u8 no_of_planes; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - iowrite32(0x02, FlashReg + SPARE_AREA_SKIP_BYTES); - iowrite32(0xffff, FlashReg + SPARE_AREA_MARKER); - DeviceInfo.wDeviceMaker = ioread32(FlashReg + MANUFACTURER_ID); - DeviceInfo.wDeviceID = ioread32(FlashReg + DEVICE_ID); - DeviceInfo.MLCDevice = ioread32(FlashReg + DEVICE_PARAM_0) & 0x0c; - - if (ioread32(FlashReg + ONFI_DEVICE_NO_OF_LUNS) & - ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE) { /* ONFI 1.0 NAND */ - if (FAIL == get_onfi_nand_para()) - return FAIL; - } else if (DeviceInfo.wDeviceMaker == 0xEC) { /* Samsung NAND */ - get_samsung_nand_para(); - } else if (DeviceInfo.wDeviceMaker == 0x98) { /* Toshiba NAND */ - get_toshiba_nand_para(); - } else if (DeviceInfo.wDeviceMaker == 0xAD) { /* Hynix NAND */ - get_hynix_nand_para(); - } else { - DeviceInfo.wTotalBlocks = GLOB_HWCTL_DEFAULT_BLKS; - } - - nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:" - "acc_clks: %d, re_2_we: %d, we_2_re: %d," - "addr_2_data: %d, rdwr_en_lo_cnt: %d, " - "rdwr_en_hi_cnt: %d, cs_setup_cnt: %d\n", - ioread32(FlashReg + ACC_CLKS), - ioread32(FlashReg + RE_2_WE), - ioread32(FlashReg + WE_2_RE), - ioread32(FlashReg + ADDR_2_DATA), - ioread32(FlashReg + RDWR_EN_LO_CNT), - ioread32(FlashReg + RDWR_EN_HI_CNT), - ioread32(FlashReg + CS_SETUP_CNT)); - - DeviceInfo.wHWRevision = ioread32(FlashReg + REVISION); - DeviceInfo.wHWFeatures = ioread32(FlashReg + FEATURES); - - DeviceInfo.wDeviceMainAreaSize = - ioread32(FlashReg + DEVICE_MAIN_AREA_SIZE); - DeviceInfo.wDeviceSpareAreaSize = - ioread32(FlashReg + DEVICE_SPARE_AREA_SIZE); - - DeviceInfo.wPageDataSize = - ioread32(FlashReg + LOGICAL_PAGE_DATA_SIZE); - - /* Note: When using the Micon 4K NAND device, the controller will report - * Page Spare Size as 216 bytes. But Micron's Spec say it's 218 bytes. - * And if force set it to 218 bytes, the controller can not work - * correctly. So just let it be. But keep in mind that this bug may - * cause - * other problems in future. - Yunpeng 2008-10-10 - */ - DeviceInfo.wPageSpareSize = - ioread32(FlashReg + LOGICAL_PAGE_SPARE_SIZE); - - DeviceInfo.wPagesPerBlock = ioread32(FlashReg + PAGES_PER_BLOCK); - - DeviceInfo.wPageSize = - DeviceInfo.wPageDataSize + DeviceInfo.wPageSpareSize; - DeviceInfo.wBlockSize = - DeviceInfo.wPageSize * DeviceInfo.wPagesPerBlock; - DeviceInfo.wBlockDataSize = - DeviceInfo.wPagesPerBlock * DeviceInfo.wPageDataSize; - - DeviceInfo.wDeviceWidth = ioread32(FlashReg + DEVICE_WIDTH); - DeviceInfo.wDeviceType = - ((ioread32(FlashReg + DEVICE_WIDTH) > 0) ? 16 : 8); - - DeviceInfo.wDevicesConnected = ioread32(FlashReg + DEVICES_CONNECTED); - - DeviceInfo.wSpareSkipBytes = - ioread32(FlashReg + SPARE_AREA_SKIP_BYTES) * - DeviceInfo.wDevicesConnected; - - DeviceInfo.nBitsInPageNumber = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wPagesPerBlock); - DeviceInfo.nBitsInPageDataSize = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wPageDataSize); - DeviceInfo.nBitsInBlockDataSize = - (u8)GLOB_Calc_Used_Bits(DeviceInfo.wBlockDataSize); - - set_ecc_config(); - - no_of_planes = ioread32(FlashReg + NUMBER_OF_PLANES) & - NUMBER_OF_PLANES__VALUE; - - switch (no_of_planes) { - case 0: - case 1: - case 3: - case 7: - DeviceInfo.bPlaneNum = no_of_planes + 1; - break; - default: - status = FAIL; - break; - } - - find_valid_banks(); - - detect_partition_feature(); - - dump_device_info(); - - return status; -} - -u16 NAND_UnlockArrayAll(void) -{ - u64 start_addr, end_addr; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - start_addr = 0; - end_addr = ((u64)DeviceInfo.wBlockSize * - (DeviceInfo.wTotalBlocks - 1)) >> - DeviceInfo.nBitsInPageDataSize; - - index_addr((u32)(MODE_10 | (u32)start_addr), 0x10); - index_addr((u32)(MODE_10 | (u32)end_addr), 0x11); - - return PASS; -} - -void NAND_LLD_Enable_Disable_Interrupts(u16 INT_ENABLE) -{ - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (INT_ENABLE) - iowrite32(1, FlashReg + GLOBAL_INT_ENABLE); - else - iowrite32(0, FlashReg + GLOBAL_INT_ENABLE); -} - -u16 NAND_Erase_Block(u32 block) -{ - u16 status = PASS; - u64 flash_add; - u16 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - if (block >= DeviceInfo.wTotalBlocks) - status = FAIL; - - if (status == PASS) { - intr_status = intr_status_addresses[flash_bank]; - - iowrite32(INTR_STATUS0__ERASE_COMP | INTR_STATUS0__ERASE_FAIL, - FlashReg + intr_status); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 1); - - while (!(ioread32(FlashReg + intr_status) & - (INTR_STATUS0__ERASE_COMP | INTR_STATUS0__ERASE_FAIL))) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ERASE_FAIL) - status = FAIL; - - iowrite32(INTR_STATUS0__ERASE_COMP | INTR_STATUS0__ERASE_FAIL, - FlashReg + intr_status); - } - - return status; -} - -static u32 Boundary_Check_Block_Page(u32 block, u16 page, - u16 page_count) -{ - u32 status = PASS; - - if (block >= DeviceInfo.wTotalBlocks) - status = FAIL; - - if (page + page_count > DeviceInfo.wPagesPerBlock) - status = FAIL; - - return status; -} - -u16 NAND_Read_Page_Spare(u8 *read_data, u32 block, u16 page, - u16 page_count) -{ - u32 status = PASS; - u32 i; - u64 flash_add; - u32 PageSpareSize = DeviceInfo.wPageSpareSize; - u32 spareFlagBytes = DeviceInfo.wNumPageSpareFlag; - u32 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u8 *page_spare = buf_read_page_spare; - - if (block >= DeviceInfo.wTotalBlocks) { - printk(KERN_ERR "block too big: %d\n", (int)block); - status = FAIL; - } - - if (page >= DeviceInfo.wPagesPerBlock) { - printk(KERN_ERR "page too big: %d\n", page); - status = FAIL; - } - - if (page_count > 1) { - printk(KERN_ERR "page count too big: %d\n", page_count); - status = FAIL; - } - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - if (status == PASS) { - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), - 0x41); - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), - 0x2000 | page_count); - while (!(ioread32(FlashReg + intr_status) & - INTR_STATUS0__LOAD_COMP)) - ; - - iowrite32((u32)(MODE_01 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), - FlashMem); - - for (i = 0; i < (PageSpareSize / 4); i++) - *((u32 *)page_spare + i) = - ioread32(FlashMem + 0x10); - - if (enable_ecc) { - for (i = 0; i < spareFlagBytes; i++) - read_data[i] = - page_spare[PageSpareSize - - spareFlagBytes + i]; - for (i = 0; i < (PageSpareSize - spareFlagBytes); i++) - read_data[spareFlagBytes + i] = - page_spare[i]; - } else { - for (i = 0; i < PageSpareSize; i++) - read_data[i] = page_spare[i]; - } - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 0x42); - } - - return status; -} - -/* No use function. Should be removed later */ -u16 NAND_Write_Page_Spare(u8 *write_data, u32 block, u16 page, - u16 page_count) -{ - printk(KERN_ERR - "Error! This function (NAND_Write_Page_Spare) should never" - " be called!\n"); - return ERR; -} - -/* op value: 0 - DDMA read; 1 - DDMA write */ -static void ddma_trans(u8 *data, u64 flash_add, - u32 flash_bank, int op, u32 numPages) -{ - u32 data_addr; - - /* Map virtual address to bus address for DDMA */ - data_addr = virt_to_bus(data); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), - (u16)(2 << 12) | (op << 8) | numPages); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - ((u16)(0x0FFFF & (data_addr >> 16)) << 8)), - (u16)(2 << 12) | (2 << 8) | 0); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - ((u16)(0x0FFFF & data_addr) << 8)), - (u16)(2 << 12) | (3 << 8) | 0); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (1 << 16) | (0x40 << 8)), - (u16)(2 << 12) | (4 << 8) | 0); -} - -/* If data in buf are all 0xff, then return 1; otherwise return 0 */ -static int check_all_1(u8 *buf) -{ - int i, j, cnt; - - for (i = 0; i < DeviceInfo.wPageDataSize; i++) { - if (buf[i] != 0xff) { - cnt = 0; - nand_dbg_print(NAND_DBG_WARN, - "the first non-0xff data byte is: %d\n", i); - for (j = i; j < DeviceInfo.wPageDataSize; j++) { - nand_dbg_print(NAND_DBG_WARN, "0x%x ", buf[j]); - cnt++; - if (cnt > 8) - break; - } - nand_dbg_print(NAND_DBG_WARN, "\n"); - return 0; - } - } - - return 1; -} - -static int do_ecc_new(unsigned long bank, u8 *buf, - u32 block, u16 page) -{ - int status = PASS; - u16 err_page = 0; - u16 err_byte; - u8 err_sect; - u8 err_dev; - u16 err_fix_info; - u16 err_addr; - u32 ecc_sect_size; - u8 *err_pos; - u32 err_page_addr[4] = {ERR_PAGE_ADDR0, - ERR_PAGE_ADDR1, ERR_PAGE_ADDR2, ERR_PAGE_ADDR3}; - - ecc_sect_size = ECC_SECTOR_SIZE * (DeviceInfo.wDevicesConnected); - - do { - err_page = ioread32(FlashReg + err_page_addr[bank]); - err_addr = ioread32(FlashReg + ECC_ERROR_ADDRESS); - err_byte = err_addr & ECC_ERROR_ADDRESS__OFFSET; - err_sect = ((err_addr & ECC_ERROR_ADDRESS__SECTOR_NR) >> 12); - err_fix_info = ioread32(FlashReg + ERR_CORRECTION_INFO); - err_dev = ((err_fix_info & ERR_CORRECTION_INFO__DEVICE_NR) - >> 8); - if (err_fix_info & ERR_CORRECTION_INFO__ERROR_TYPE) { - nand_dbg_print(NAND_DBG_WARN, - "%s, Line %d Uncorrectable ECC error " - "when read block %d page %d." - "PTN_INTR register: 0x%x " - "err_page: %d, err_sect: %d, err_byte: %d, " - "err_dev: %d, ecc_sect_size: %d, " - "err_fix_info: 0x%x\n", - __FILE__, __LINE__, block, page, - ioread32(FlashReg + PTN_INTR), - err_page, err_sect, err_byte, err_dev, - ecc_sect_size, (u32)err_fix_info); - - if (check_all_1(buf)) - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d" - "All 0xff!\n", - __FILE__, __LINE__); - else - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d" - "Not all 0xff!\n", - __FILE__, __LINE__); - status = FAIL; - } else { - nand_dbg_print(NAND_DBG_WARN, - "%s, Line %d Found ECC error " - "when read block %d page %d." - "err_page: %d, err_sect: %d, err_byte: %d, " - "err_dev: %d, ecc_sect_size: %d, " - "err_fix_info: 0x%x\n", - __FILE__, __LINE__, block, page, - err_page, err_sect, err_byte, err_dev, - ecc_sect_size, (u32)err_fix_info); - if (err_byte < ECC_SECTOR_SIZE) { - err_pos = buf + - (err_page - page) * - DeviceInfo.wPageDataSize + - err_sect * ecc_sect_size + - err_byte * - DeviceInfo.wDevicesConnected + - err_dev; - - *err_pos ^= err_fix_info & - ERR_CORRECTION_INFO__BYTEMASK; - } - } - } while (!(err_fix_info & ERR_CORRECTION_INFO__LAST_ERR_INFO)); - - return status; -} - -u16 NAND_Read_Page_Main_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count) -{ - u32 status = PASS; - u64 flash_add; - u32 intr_status = 0; - u32 flash_bank; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u8 *read_data_l; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - if (status != PASS) - return status; - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - if (page_count > 1) { - read_data_l = read_data; - while (page_count > MAX_PAGES_PER_RW) { - if (ioread32(FlashReg + MULTIPLANE_OPERATION)) - status = NAND_Multiplane_Read(read_data_l, - block, page, MAX_PAGES_PER_RW); - else - status = NAND_Pipeline_Read_Ahead_Polling( - read_data_l, block, page, - MAX_PAGES_PER_RW); - - if (status == FAIL) - return status; - - read_data_l += DeviceInfo.wPageDataSize * - MAX_PAGES_PER_RW; - page_count -= MAX_PAGES_PER_RW; - page += MAX_PAGES_PER_RW; - } - if (ioread32(FlashReg + MULTIPLANE_OPERATION)) - status = NAND_Multiplane_Read(read_data_l, - block, page, page_count); - else - status = NAND_Pipeline_Read_Ahead_Polling( - read_data_l, block, page, page_count); - - return status; - } - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - ddma_trans(read_data, flash_add, flash_bank, 0, 1); - - if (enable_ecc) { - while (!(ioread32(FlashReg + intr_status) & - (INTR_STATUS0__ECC_TRANSACTION_DONE | - INTR_STATUS0__ECC_ERR))) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_ERR) { - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - status = do_ecc_new(flash_bank, read_data, - block, page); - } - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_TRANSACTION_DONE & - INTR_STATUS0__ECC_ERR) - iowrite32(INTR_STATUS0__ECC_TRANSACTION_DONE | - INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_TRANSACTION_DONE) - iowrite32(INTR_STATUS0__ECC_TRANSACTION_DONE, - FlashReg + intr_status); - else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_ERR) - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - } else { - while (!(ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP)) - ; - iowrite32(INTR_STATUS0__DMA_CMD_COMP, FlashReg + intr_status); - } - - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - return status; -} - -u16 NAND_Pipeline_Read_Ahead_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count) -{ - u32 status = PASS; - u32 NumPages = page_count; - u64 flash_add; - u32 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u32 ecc_done_OR_dma_comp; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - - if (page_count < 2) - status = FAIL; - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - *DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - if (status == PASS) { - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 0x42); - ddma_trans(read_data, flash_add, flash_bank, 0, NumPages); - - ecc_done_OR_dma_comp = 0; - while (1) { - if (enable_ecc) { - while (!ioread32(FlashReg + intr_status)) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_ERR) { - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - status = do_ecc_new(flash_bank, - read_data, block, page); - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP) { - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - - if (1 == ecc_done_OR_dma_comp) - break; - - ecc_done_OR_dma_comp = 1; - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_TRANSACTION_DONE) { - iowrite32( - INTR_STATUS0__ECC_TRANSACTION_DONE, - FlashReg + intr_status); - - if (1 == ecc_done_OR_dma_comp) - break; - - ecc_done_OR_dma_comp = 1; - } - } else { - while (!(ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP)) - ; - - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - break; - } - - iowrite32((~INTR_STATUS0__ECC_ERR) & - (~INTR_STATUS0__ECC_TRANSACTION_DONE) & - (~INTR_STATUS0__DMA_CMD_COMP), - FlashReg + intr_status); - - } - - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - } - return status; -} - -u16 NAND_Read_Page_Main(u8 *read_data, u32 block, u16 page, - u16 page_count) -{ - u32 status = PASS; - u64 flash_add; - u32 intr_status = 0; - u32 flash_bank; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - int ret; - u8 *read_data_l; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - if (status != PASS) - return status; - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - if (page_count > 1) { - read_data_l = read_data; - while (page_count > MAX_PAGES_PER_RW) { - if (ioread32(FlashReg + MULTIPLANE_OPERATION)) - status = NAND_Multiplane_Read(read_data_l, - block, page, MAX_PAGES_PER_RW); - else - status = NAND_Pipeline_Read_Ahead( - read_data_l, block, page, - MAX_PAGES_PER_RW); - - if (status == FAIL) - return status; - - read_data_l += DeviceInfo.wPageDataSize * - MAX_PAGES_PER_RW; - page_count -= MAX_PAGES_PER_RW; - page += MAX_PAGES_PER_RW; - } - if (ioread32(FlashReg + MULTIPLANE_OPERATION)) - status = NAND_Multiplane_Read(read_data_l, - block, page, page_count); - else - status = NAND_Pipeline_Read_Ahead( - read_data_l, block, page, page_count); - - return status; - } - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - /* Fill the mrst_nand_info structure */ - info.state = INT_READ_PAGE_MAIN; - info.read_data = read_data; - info.flash_bank = flash_bank; - info.block = block; - info.page = page; - info.ret = PASS; - - ddma_trans(read_data, flash_add, flash_bank, 0, 1); - - iowrite32(1, FlashReg + GLOBAL_INT_ENABLE); /* Enable Interrupt */ - - ret = wait_for_completion_timeout(&info.complete, 10 * HZ); - if (!ret) { - printk(KERN_ERR "Wait for completion timeout " - "in %s, Line %d\n", __FILE__, __LINE__); - status = ERR; - } else { - status = info.ret; - } - - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - return status; -} - -void Conv_Spare_Data_Log2Phy_Format(u8 *data) -{ - int i; - const u32 spareFlagBytes = DeviceInfo.wNumPageSpareFlag; - const u32 PageSpareSize = DeviceInfo.wPageSpareSize; - - if (enable_ecc) { - for (i = spareFlagBytes - 1; i >= 0; i--) - data[PageSpareSize - spareFlagBytes + i] = data[i]; - } -} - -void Conv_Spare_Data_Phy2Log_Format(u8 *data) -{ - int i; - const u32 spareFlagBytes = DeviceInfo.wNumPageSpareFlag; - const u32 PageSpareSize = DeviceInfo.wPageSpareSize; - - if (enable_ecc) { - for (i = 0; i < spareFlagBytes; i++) - data[i] = data[PageSpareSize - spareFlagBytes + i]; - } -} - - -void Conv_Main_Spare_Data_Log2Phy_Format(u8 *data, u16 page_count) -{ - const u32 PageSize = DeviceInfo.wPageSize; - const u32 PageDataSize = DeviceInfo.wPageDataSize; - const u32 eccBytes = DeviceInfo.wECCBytesPerSector; - const u32 spareSkipBytes = DeviceInfo.wSpareSkipBytes; - const u32 spareFlagBytes = DeviceInfo.wNumPageSpareFlag; - u32 eccSectorSize; - u32 page_offset; - int i, j; - - eccSectorSize = ECC_SECTOR_SIZE * (DeviceInfo.wDevicesConnected); - if (enable_ecc) { - while (page_count > 0) { - page_offset = (page_count - 1) * PageSize; - j = (DeviceInfo.wPageDataSize / eccSectorSize); - for (i = spareFlagBytes - 1; i >= 0; i--) - data[page_offset + - (eccSectorSize + eccBytes) * j + i] = - data[page_offset + PageDataSize + i]; - for (j--; j >= 1; j--) { - for (i = eccSectorSize - 1; i >= 0; i--) - data[page_offset + - (eccSectorSize + eccBytes) * j + i] = - data[page_offset + - eccSectorSize * j + i]; - } - for (i = (PageSize - spareSkipBytes) - 1; - i >= PageDataSize; i--) - data[page_offset + i + spareSkipBytes] = - data[page_offset + i]; - page_count--; - } - } -} - -void Conv_Main_Spare_Data_Phy2Log_Format(u8 *data, u16 page_count) -{ - const u32 PageSize = DeviceInfo.wPageSize; - const u32 PageDataSize = DeviceInfo.wPageDataSize; - const u32 eccBytes = DeviceInfo.wECCBytesPerSector; - const u32 spareSkipBytes = DeviceInfo.wSpareSkipBytes; - const u32 spareFlagBytes = DeviceInfo.wNumPageSpareFlag; - u32 eccSectorSize; - u32 page_offset; - int i, j; - - eccSectorSize = ECC_SECTOR_SIZE * (DeviceInfo.wDevicesConnected); - if (enable_ecc) { - while (page_count > 0) { - page_offset = (page_count - 1) * PageSize; - for (i = PageDataSize; - i < PageSize - spareSkipBytes; - i++) - data[page_offset + i] = - data[page_offset + i + - spareSkipBytes]; - for (j = 1; - j < DeviceInfo.wPageDataSize / eccSectorSize; - j++) { - for (i = 0; i < eccSectorSize; i++) - data[page_offset + - eccSectorSize * j + i] = - data[page_offset + - (eccSectorSize + eccBytes) * j - + i]; - } - for (i = 0; i < spareFlagBytes; i++) - data[page_offset + PageDataSize + i] = - data[page_offset + - (eccSectorSize + eccBytes) * j + i]; - page_count--; - } - } -} - -/* Un-tested function */ -u16 NAND_Multiplane_Read(u8 *read_data, u32 block, u16 page, - u16 page_count) -{ - u32 status = PASS; - u32 NumPages = page_count; - u64 flash_add; - u32 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u32 ecc_done_OR_dma_comp; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - if (status == PASS) { - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - iowrite32(0x01, FlashReg + MULTIPLANE_OPERATION); - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 0x42); - ddma_trans(read_data, flash_add, flash_bank, 0, NumPages); - - ecc_done_OR_dma_comp = 0; - while (1) { - if (enable_ecc) { - while (!ioread32(FlashReg + intr_status)) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_ERR) { - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - status = do_ecc_new(flash_bank, - read_data, block, page); - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP) { - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - - if (1 == ecc_done_OR_dma_comp) - break; - - ecc_done_OR_dma_comp = 1; - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_TRANSACTION_DONE) { - iowrite32( - INTR_STATUS0__ECC_TRANSACTION_DONE, - FlashReg + intr_status); - - if (1 == ecc_done_OR_dma_comp) - break; - - ecc_done_OR_dma_comp = 1; - } - } else { - while (!(ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP)) - ; - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - break; - } - - iowrite32((~INTR_STATUS0__ECC_ERR) & - (~INTR_STATUS0__ECC_TRANSACTION_DONE) & - (~INTR_STATUS0__DMA_CMD_COMP), - FlashReg + intr_status); - - } - - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + MULTIPLANE_OPERATION); - } - - return status; -} - -u16 NAND_Pipeline_Read_Ahead(u8 *read_data, u32 block, - u16 page, u16 page_count) -{ - u32 status = PASS; - u32 NumPages = page_count; - u64 flash_add; - u32 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - int ret; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - - if (page_count < 2) - status = FAIL; - - if (status != PASS) - return status; - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - *DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - /* Fill the mrst_nand_info structure */ - info.state = INT_PIPELINE_READ_AHEAD; - info.read_data = read_data; - info.flash_bank = flash_bank; - info.block = block; - info.page = page; - info.ret = PASS; - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 0x42); - - ddma_trans(read_data, flash_add, flash_bank, 0, NumPages); - - iowrite32(1, FlashReg + GLOBAL_INT_ENABLE); /* Enable Interrupt */ - - ret = wait_for_completion_timeout(&info.complete, 10 * HZ); - if (!ret) { - printk(KERN_ERR "Wait for completion timeout " - "in %s, Line %d\n", __FILE__, __LINE__); - status = ERR; - } else { - status = info.ret; - } - - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - return status; -} - - -u16 NAND_Write_Page_Main(u8 *write_data, u32 block, u16 page, - u16 page_count) -{ - u32 status = PASS; - u64 flash_add; - u32 intr_status = 0; - u32 flash_bank; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - int ret; - u8 *write_data_l; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - if (status != PASS) - return status; - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - intr_status = intr_status_addresses[flash_bank]; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - iowrite32(INTR_STATUS0__PROGRAM_COMP | - INTR_STATUS0__PROGRAM_FAIL, FlashReg + intr_status); - - if (page_count > 1) { - write_data_l = write_data; - while (page_count > MAX_PAGES_PER_RW) { - if (ioread32(FlashReg + MULTIPLANE_OPERATION)) - status = NAND_Multiplane_Write(write_data_l, - block, page, MAX_PAGES_PER_RW); - else - status = NAND_Pipeline_Write_Ahead( - write_data_l, block, page, - MAX_PAGES_PER_RW); - if (status == FAIL) - return status; - - write_data_l += DeviceInfo.wPageDataSize * - MAX_PAGES_PER_RW; - page_count -= MAX_PAGES_PER_RW; - page += MAX_PAGES_PER_RW; - } - if (ioread32(FlashReg + MULTIPLANE_OPERATION)) - status = NAND_Multiplane_Write(write_data_l, - block, page, page_count); - else - status = NAND_Pipeline_Write_Ahead(write_data_l, - block, page, page_count); - - return status; - } - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - /* Fill the mrst_nand_info structure */ - info.state = INT_WRITE_PAGE_MAIN; - info.write_data = write_data; - info.flash_bank = flash_bank; - info.block = block; - info.page = page; - info.ret = PASS; - - ddma_trans(write_data, flash_add, flash_bank, 1, 1); - - iowrite32(1, FlashReg + GLOBAL_INT_ENABLE); /* Enable interrupt */ - - ret = wait_for_completion_timeout(&info.complete, 10 * HZ); - if (!ret) { - printk(KERN_ERR "Wait for completion timeout " - "in %s, Line %d\n", __FILE__, __LINE__); - status = ERR; - } else { - status = info.ret; - } - - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - while (ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG) - ; - - return status; -} - -void NAND_ECC_Ctrl(int enable) -{ - if (enable) { - nand_dbg_print(NAND_DBG_WARN, - "Will enable ECC in %s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - iowrite32(1, FlashReg + ECC_ENABLE); - enable_ecc = 1; - } else { - nand_dbg_print(NAND_DBG_WARN, - "Will disable ECC in %s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - iowrite32(0, FlashReg + ECC_ENABLE); - enable_ecc = 0; - } -} - -u16 NAND_Write_Page_Main_Spare(u8 *write_data, u32 block, - u16 page, u16 page_count) -{ - u32 status = PASS; - u32 i, j, page_num = 0; - u32 PageSize = DeviceInfo.wPageSize; - u32 PageDataSize = DeviceInfo.wPageDataSize; - u32 eccBytes = DeviceInfo.wECCBytesPerSector; - u32 spareFlagBytes = DeviceInfo.wNumPageSpareFlag; - u32 spareSkipBytes = DeviceInfo.wSpareSkipBytes; - u64 flash_add; - u32 eccSectorSize; - u32 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u8 *page_main_spare = buf_write_page_main_spare; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - eccSectorSize = ECC_SECTOR_SIZE * (DeviceInfo.wDevicesConnected); - - status = Boundary_Check_Block_Page(block, page, page_count); - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - if (status == PASS) { - intr_status = intr_status_addresses[flash_bank]; - - iowrite32(1, FlashReg + TRANSFER_SPARE_REG); - - while ((status != FAIL) && (page_count > 0)) { - flash_add = (u64)(block % - (DeviceInfo.wTotalBlocks / totalUsedBanks)) * - DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - iowrite32((u32)(MODE_01 | (flash_bank << 24) | - (flash_add >> - DeviceInfo.nBitsInPageDataSize)), - FlashMem); - - if (enable_ecc) { - for (j = 0; - j < - DeviceInfo.wPageDataSize / eccSectorSize; - j++) { - for (i = 0; i < eccSectorSize; i++) - page_main_spare[(eccSectorSize + - eccBytes) * j + - i] = - write_data[eccSectorSize * - j + i]; - - for (i = 0; i < eccBytes; i++) - page_main_spare[(eccSectorSize + - eccBytes) * j + - eccSectorSize + - i] = - write_data[PageDataSize + - spareFlagBytes + - eccBytes * j + - i]; - } - - for (i = 0; i < spareFlagBytes; i++) - page_main_spare[(eccSectorSize + - eccBytes) * j + i] = - write_data[PageDataSize + i]; - - for (i = PageSize - 1; i >= PageDataSize + - spareSkipBytes; i--) - page_main_spare[i] = page_main_spare[i - - spareSkipBytes]; - - for (i = PageDataSize; i < PageDataSize + - spareSkipBytes; i++) - page_main_spare[i] = 0xff; - - for (i = 0; i < PageSize / 4; i++) - iowrite32( - *((u32 *)page_main_spare + i), - FlashMem + 0x10); - } else { - - for (i = 0; i < PageSize / 4; i++) - iowrite32(*((u32 *)write_data + i), - FlashMem + 0x10); - } - - while (!(ioread32(FlashReg + intr_status) & - (INTR_STATUS0__PROGRAM_COMP | - INTR_STATUS0__PROGRAM_FAIL))) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__PROGRAM_FAIL) - status = FAIL; - - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - page_num++; - page_count--; - write_data += PageSize; - } - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - } - - return status; -} - -u16 NAND_Read_Page_Main_Spare(u8 *read_data, u32 block, u16 page, - u16 page_count) -{ - u32 status = PASS; - u32 i, j; - u64 flash_add = 0; - u32 PageSize = DeviceInfo.wPageSize; - u32 PageDataSize = DeviceInfo.wPageDataSize; - u32 PageSpareSize = DeviceInfo.wPageSpareSize; - u32 eccBytes = DeviceInfo.wECCBytesPerSector; - u32 spareFlagBytes = DeviceInfo.wNumPageSpareFlag; - u32 spareSkipBytes = DeviceInfo.wSpareSkipBytes; - u32 eccSectorSize; - u32 flash_bank; - u32 intr_status = 0; - u8 *read_data_l = read_data; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u8 *page_main_spare = buf_read_page_main_spare; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - eccSectorSize = ECC_SECTOR_SIZE * (DeviceInfo.wDevicesConnected); - - status = Boundary_Check_Block_Page(block, page, page_count); - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - if (status == PASS) { - intr_status = intr_status_addresses[flash_bank]; - - iowrite32(1, FlashReg + TRANSFER_SPARE_REG); - - iowrite32(ioread32(FlashReg + intr_status), - FlashReg + intr_status); - - while ((status != FAIL) && (page_count > 0)) { - flash_add = (u64)(block % - (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), - 0x43); - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), - 0x2000 | page_count); - - while (!(ioread32(FlashReg + intr_status) & - INTR_STATUS0__LOAD_COMP)) - ; - - iowrite32((u32)(MODE_01 | (flash_bank << 24) | - (flash_add >> - DeviceInfo.nBitsInPageDataSize)), - FlashMem); - - for (i = 0; i < PageSize / 4; i++) - *(((u32 *)page_main_spare) + i) = - ioread32(FlashMem + 0x10); - - if (enable_ecc) { - for (i = PageDataSize; i < PageSize - - spareSkipBytes; i++) - page_main_spare[i] = page_main_spare[i + - spareSkipBytes]; - - for (j = 0; - j < DeviceInfo.wPageDataSize / eccSectorSize; - j++) { - - for (i = 0; i < eccSectorSize; i++) - read_data_l[eccSectorSize * j + - i] = - page_main_spare[ - (eccSectorSize + - eccBytes) * j + i]; - - for (i = 0; i < eccBytes; i++) - read_data_l[PageDataSize + - spareFlagBytes + - eccBytes * j + i] = - page_main_spare[ - (eccSectorSize + - eccBytes) * j + - eccSectorSize + i]; - } - - for (i = 0; i < spareFlagBytes; i++) - read_data_l[PageDataSize + i] = - page_main_spare[(eccSectorSize + - eccBytes) * j + i]; - } else { - for (i = 0; i < (PageDataSize + PageSpareSize); - i++) - read_data_l[i] = page_main_spare[i]; - - } - - if (enable_ecc) { - while (!(ioread32(FlashReg + intr_status) & - (INTR_STATUS0__ECC_TRANSACTION_DONE | - INTR_STATUS0__ECC_ERR))) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_ERR) { - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - status = do_ecc_new(flash_bank, - read_data, block, page); - } - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_TRANSACTION_DONE & - INTR_STATUS0__ECC_ERR) { - iowrite32(INTR_STATUS0__ECC_ERR | - INTR_STATUS0__ECC_TRANSACTION_DONE, - FlashReg + intr_status); - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_TRANSACTION_DONE) { - iowrite32( - INTR_STATUS0__ECC_TRANSACTION_DONE, - FlashReg + intr_status); - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_ERR) { - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - } - } - - page++; - page_count--; - read_data_l += PageSize; - } - } - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 0x42); - - return status; -} - -u16 NAND_Pipeline_Write_Ahead(u8 *write_data, u32 block, - u16 page, u16 page_count) -{ - u16 status = PASS; - u32 NumPages = page_count; - u64 flash_add; - u32 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - int ret; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - - if (page_count < 2) - status = FAIL; - - if (status != PASS) - return status; - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - /* Fill the mrst_nand_info structure */ - info.state = INT_PIPELINE_WRITE_AHEAD; - info.write_data = write_data; - info.flash_bank = flash_bank; - info.block = block; - info.page = page; - info.ret = PASS; - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 0x42); - - ddma_trans(write_data, flash_add, flash_bank, 1, NumPages); - - iowrite32(1, FlashReg + GLOBAL_INT_ENABLE); /* Enable interrupt */ - - ret = wait_for_completion_timeout(&info.complete, 10 * HZ); - if (!ret) { - printk(KERN_ERR "Wait for completion timeout " - "in %s, Line %d\n", __FILE__, __LINE__); - status = ERR; - } else { - status = info.ret; - } - - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - return status; -} - -/* Un-tested function */ -u16 NAND_Multiplane_Write(u8 *write_data, u32 block, u16 page, - u16 page_count) -{ - u16 status = PASS; - u32 NumPages = page_count; - u64 flash_add; - u32 flash_bank; - u32 intr_status = 0; - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u16 status2 = PASS; - u32 t; - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - status = Boundary_Check_Block_Page(block, page, page_count); - if (status != PASS) - return status; - - flash_add = (u64)(block % (DeviceInfo.wTotalBlocks / totalUsedBanks)) - * DeviceInfo.wBlockDataSize + - (u64)page * DeviceInfo.wPageDataSize; - - flash_bank = block / (DeviceInfo.wTotalBlocks / totalUsedBanks); - - intr_status = intr_status_addresses[flash_bank]; - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - iowrite32(0x01, FlashReg + MULTIPLANE_OPERATION); - - iowrite32(1, FlashReg + DMA_ENABLE); - while (!(ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + TRANSFER_SPARE_REG); - - index_addr((u32)(MODE_10 | (flash_bank << 24) | - (flash_add >> DeviceInfo.nBitsInPageDataSize)), 0x42); - - ddma_trans(write_data, flash_add, flash_bank, 1, NumPages); - - while (1) { - while (!ioread32(FlashReg + intr_status)) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP) { - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - status = PASS; - if (status2 == FAIL) - status = FAIL; - break; - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__PROGRAM_FAIL) { - status2 = FAIL; - status = FAIL; - t = ioread32(FlashReg + intr_status) & - INTR_STATUS0__PROGRAM_FAIL; - iowrite32(t, FlashReg + intr_status); - } else { - iowrite32((~INTR_STATUS0__PROGRAM_FAIL) & - (~INTR_STATUS0__DMA_CMD_COMP), - FlashReg + intr_status); - } - } - - iowrite32(ioread32(FlashReg + intr_status), FlashReg + intr_status); - - iowrite32(0, FlashReg + DMA_ENABLE); - - while ((ioread32(FlashReg + DMA_ENABLE) & DMA_ENABLE__FLAG)) - ; - - iowrite32(0, FlashReg + MULTIPLANE_OPERATION); - - return status; -} - - -#if CMD_DMA -static irqreturn_t cdma_isr(int irq, void *dev_id) -{ - struct mrst_nand_info *dev = dev_id; - int first_failed_cmd; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - if (!is_cdma_interrupt()) - return IRQ_NONE; - - /* Disable controller interrupts */ - iowrite32(0, FlashReg + GLOBAL_INT_ENABLE); - GLOB_FTL_Event_Status(&first_failed_cmd); - complete(&dev->complete); - - return IRQ_HANDLED; -} -#else -static void handle_nand_int_read(struct mrst_nand_info *dev) -{ - u32 intr_status_addresses[4] = {INTR_STATUS0, - INTR_STATUS1, INTR_STATUS2, INTR_STATUS3}; - u32 intr_status; - u32 ecc_done_OR_dma_comp = 0; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - dev->ret = PASS; - intr_status = intr_status_addresses[dev->flash_bank]; - - while (1) { - if (enable_ecc) { - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_ERR) { - iowrite32(INTR_STATUS0__ECC_ERR, - FlashReg + intr_status); - dev->ret = do_ecc_new(dev->flash_bank, - dev->read_data, - dev->block, dev->page); - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP) { - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - if (1 == ecc_done_OR_dma_comp) - break; - ecc_done_OR_dma_comp = 1; - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__ECC_TRANSACTION_DONE) { - iowrite32(INTR_STATUS0__ECC_TRANSACTION_DONE, - FlashReg + intr_status); - if (1 == ecc_done_OR_dma_comp) - break; - ecc_done_OR_dma_comp = 1; - } - } else { - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP) { - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - break; - } else { - printk(KERN_ERR "Illegal INTS " - "(offset addr 0x%x) value: 0x%x\n", - intr_status, - ioread32(FlashReg + intr_status)); - } - } - - iowrite32((~INTR_STATUS0__ECC_ERR) & - (~INTR_STATUS0__ECC_TRANSACTION_DONE) & - (~INTR_STATUS0__DMA_CMD_COMP), - FlashReg + intr_status); - } -} - -static void handle_nand_int_write(struct mrst_nand_info *dev) -{ - u32 intr_status; - u32 intr[4] = {INTR_STATUS0, INTR_STATUS1, - INTR_STATUS2, INTR_STATUS3}; - int status = PASS; - - nand_dbg_print(NAND_DBG_DEBUG, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - dev->ret = PASS; - intr_status = intr[dev->flash_bank]; - - while (1) { - while (!ioread32(FlashReg + intr_status)) - ; - - if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__DMA_CMD_COMP) { - iowrite32(INTR_STATUS0__DMA_CMD_COMP, - FlashReg + intr_status); - if (FAIL == status) - dev->ret = FAIL; - break; - } else if (ioread32(FlashReg + intr_status) & - INTR_STATUS0__PROGRAM_FAIL) { - status = FAIL; - iowrite32(INTR_STATUS0__PROGRAM_FAIL, - FlashReg + intr_status); - } else { - iowrite32((~INTR_STATUS0__PROGRAM_FAIL) & - (~INTR_STATUS0__DMA_CMD_COMP), - FlashReg + intr_status); - } - } -} - -static irqreturn_t ddma_isr(int irq, void *dev_id) -{ - struct mrst_nand_info *dev = dev_id; - u32 int_mask, ints0, ints1, ints2, ints3, ints_offset; - u32 intr[4] = {INTR_STATUS0, INTR_STATUS1, - INTR_STATUS2, INTR_STATUS3}; - - int_mask = INTR_STATUS0__DMA_CMD_COMP | - INTR_STATUS0__ECC_TRANSACTION_DONE | - INTR_STATUS0__ECC_ERR | - INTR_STATUS0__PROGRAM_FAIL | - INTR_STATUS0__ERASE_FAIL; - - ints0 = ioread32(FlashReg + INTR_STATUS0); - ints1 = ioread32(FlashReg + INTR_STATUS1); - ints2 = ioread32(FlashReg + INTR_STATUS2); - ints3 = ioread32(FlashReg + INTR_STATUS3); - - ints_offset = intr[dev->flash_bank]; - - nand_dbg_print(NAND_DBG_DEBUG, - "INTR0: 0x%x, INTR1: 0x%x, INTR2: 0x%x, INTR3: 0x%x, " - "DMA_INTR: 0x%x, " - "dev->state: 0x%x, dev->flash_bank: %d\n", - ints0, ints1, ints2, ints3, - ioread32(FlashReg + DMA_INTR), - dev->state, dev->flash_bank); - - if (!(ioread32(FlashReg + ints_offset) & int_mask)) { - iowrite32(ints0, FlashReg + INTR_STATUS0); - iowrite32(ints1, FlashReg + INTR_STATUS1); - iowrite32(ints2, FlashReg + INTR_STATUS2); - iowrite32(ints3, FlashReg + INTR_STATUS3); - nand_dbg_print(NAND_DBG_WARN, - "ddma_isr: Invalid interrupt for NAND controller. " - "Ignore it\n"); - return IRQ_NONE; - } - - switch (dev->state) { - case INT_READ_PAGE_MAIN: - case INT_PIPELINE_READ_AHEAD: - /* Disable controller interrupts */ - iowrite32(0, FlashReg + GLOBAL_INT_ENABLE); - handle_nand_int_read(dev); - break; - case INT_WRITE_PAGE_MAIN: - case INT_PIPELINE_WRITE_AHEAD: - iowrite32(0, FlashReg + GLOBAL_INT_ENABLE); - handle_nand_int_write(dev); - break; - default: - printk(KERN_ERR "ddma_isr - Illegal state: 0x%x\n", - dev->state); - return IRQ_NONE; - } - - dev->state = INT_IDLE_STATE; - complete(&dev->complete); - return IRQ_HANDLED; -} -#endif - -static const struct pci_device_id nand_pci_ids[] = { - { - .vendor = 0x8086, - .device = 0x0809, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, - { /* end: all zeroes */ } -}; - -static int nand_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) -{ - int ret = -ENODEV; - unsigned long csr_base; - unsigned long csr_len; - struct mrst_nand_info *pndev = &info; - u32 int_mask; - - ret = pci_enable_device(dev); - if (ret) { - printk(KERN_ERR "Spectra: pci_enable_device failed.\n"); - return ret; - } - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - FlashReg = ioremap_nocache(GLOB_HWCTL_REG_BASE, - GLOB_HWCTL_REG_SIZE); - if (!FlashReg) { - printk(KERN_ERR "Spectra: ioremap_nocache failed!"); - goto failed_disable; - } - nand_dbg_print(NAND_DBG_WARN, - "Spectra: Remapped reg base address: " - "0x%p, len: %d\n", - FlashReg, GLOB_HWCTL_REG_SIZE); - - FlashMem = ioremap_nocache(GLOB_HWCTL_MEM_BASE, - GLOB_HWCTL_MEM_SIZE); - if (!FlashMem) { - printk(KERN_ERR "Spectra: ioremap_nocache failed!"); - iounmap(FlashReg); - goto failed_disable; - } - nand_dbg_print(NAND_DBG_WARN, - "Spectra: Remapped flash base address: " - "0x%p, len: %d\n", - (void *)FlashMem, GLOB_HWCTL_MEM_SIZE); - - nand_dbg_print(NAND_DBG_DEBUG, "Dump timing register values:" - "acc_clks: %d, re_2_we: %d, we_2_re: %d," - "addr_2_data: %d, rdwr_en_lo_cnt: %d, " - "rdwr_en_hi_cnt: %d, cs_setup_cnt: %d\n", - ioread32(FlashReg + ACC_CLKS), - ioread32(FlashReg + RE_2_WE), - ioread32(FlashReg + WE_2_RE), - ioread32(FlashReg + ADDR_2_DATA), - ioread32(FlashReg + RDWR_EN_LO_CNT), - ioread32(FlashReg + RDWR_EN_HI_CNT), - ioread32(FlashReg + CS_SETUP_CNT)); - - NAND_Flash_Reset(); - - iowrite32(0, FlashReg + GLOBAL_INT_ENABLE); - -#if CMD_DMA - info.pcmds_num = 0; - info.flash_bank = 0; - info.cdma_num = 0; - int_mask = (DMA_INTR__DESC_COMP_CHANNEL0 | - DMA_INTR__DESC_COMP_CHANNEL1 | - DMA_INTR__DESC_COMP_CHANNEL2 | - DMA_INTR__DESC_COMP_CHANNEL3 | - DMA_INTR__MEMCOPY_DESC_COMP); - iowrite32(int_mask, FlashReg + DMA_INTR_EN); - iowrite32(0xFFFF, FlashReg + DMA_INTR); - - int_mask = (INTR_STATUS0__ECC_ERR | - INTR_STATUS0__PROGRAM_FAIL | - INTR_STATUS0__ERASE_FAIL); -#else - int_mask = INTR_STATUS0__DMA_CMD_COMP | - INTR_STATUS0__ECC_TRANSACTION_DONE | - INTR_STATUS0__ECC_ERR | - INTR_STATUS0__PROGRAM_FAIL | - INTR_STATUS0__ERASE_FAIL; -#endif - iowrite32(int_mask, FlashReg + INTR_EN0); - iowrite32(int_mask, FlashReg + INTR_EN1); - iowrite32(int_mask, FlashReg + INTR_EN2); - iowrite32(int_mask, FlashReg + INTR_EN3); - - /* Clear all status bits */ - iowrite32(0xFFFF, FlashReg + INTR_STATUS0); - iowrite32(0xFFFF, FlashReg + INTR_STATUS1); - iowrite32(0xFFFF, FlashReg + INTR_STATUS2); - iowrite32(0xFFFF, FlashReg + INTR_STATUS3); - - iowrite32(0x0F, FlashReg + RB_PIN_ENABLED); - iowrite32(CHIP_EN_DONT_CARE__FLAG, FlashReg + CHIP_ENABLE_DONT_CARE); - - /* Should set value for these registers when init */ - iowrite32(0, FlashReg + TWO_ROW_ADDR_CYCLES); - iowrite32(1, FlashReg + ECC_ENABLE); - enable_ecc = 1; - - pci_set_master(dev); - pndev->dev = dev; - - csr_base = pci_resource_start(dev, 0); - if (!csr_base) { - printk(KERN_ERR "Spectra: pci_resource_start failed!\n"); - ret = -ENODEV; - goto failed_req_csr; - } - - csr_len = pci_resource_len(dev, 0); - if (!csr_len) { - printk(KERN_ERR "Spectra: pci_resource_len failed!\n"); - ret = -ENODEV; - goto failed_req_csr; - } - - ret = pci_request_regions(dev, SPECTRA_NAND_NAME); - if (ret) { - printk(KERN_ERR "Spectra: Unable to request " - "memory region\n"); - goto failed_req_csr; - } - - pndev->ioaddr = ioremap_nocache(csr_base, csr_len); - if (!pndev->ioaddr) { - printk(KERN_ERR "Spectra: Unable to remap memory region\n"); - ret = -ENOMEM; - goto failed_remap_csr; - } - nand_dbg_print(NAND_DBG_DEBUG, "Spectra: CSR 0x%08lx -> 0x%p (0x%lx)\n", - csr_base, pndev->ioaddr, csr_len); - - init_completion(&pndev->complete); - nand_dbg_print(NAND_DBG_DEBUG, "Spectra: IRQ %d\n", dev->irq); - -#if CMD_DMA - if (request_irq(dev->irq, cdma_isr, IRQF_SHARED, - SPECTRA_NAND_NAME, &info)) { - printk(KERN_ERR "Spectra: Unable to allocate IRQ\n"); - ret = -ENODEV; - iounmap(pndev->ioaddr); - goto failed_remap_csr; - } -#else - if (request_irq(dev->irq, ddma_isr, IRQF_SHARED, - SPECTRA_NAND_NAME, &info)) { - printk(KERN_ERR "Spectra: Unable to allocate IRQ\n"); - ret = -ENODEV; - iounmap(pndev->ioaddr); - goto failed_remap_csr; - } -#endif - - pci_set_drvdata(dev, pndev); - - ret = GLOB_LLD_Read_Device_ID(); - if (ret) { - iounmap(pndev->ioaddr); - goto failed_remap_csr; - } - - ret = register_spectra_ftl(); - if (ret) { - iounmap(pndev->ioaddr); - goto failed_remap_csr; - } - - return 0; - -failed_remap_csr: - pci_release_regions(dev); -failed_req_csr: - iounmap(FlashMem); - iounmap(FlashReg); -failed_disable: - pci_disable_device(dev); - - return ret; -} - -static void nand_pci_remove(struct pci_dev *dev) -{ - struct mrst_nand_info *pndev = pci_get_drvdata(dev); - - nand_dbg_print(NAND_DBG_WARN, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - -#if CMD_DMA - free_irq(dev->irq, pndev); -#endif - iounmap(pndev->ioaddr); - pci_release_regions(dev); - pci_disable_device(dev); -} - -MODULE_DEVICE_TABLE(pci, nand_pci_ids); - -static struct pci_driver nand_pci_driver = { - .name = SPECTRA_NAND_NAME, - .id_table = nand_pci_ids, - .probe = nand_pci_probe, - .remove = nand_pci_remove, -}; - -int NAND_Flash_Init(void) -{ - int retval; - - nand_dbg_print(NAND_DBG_TRACE, "%s, Line %d, Function: %s\n", - __FILE__, __LINE__, __func__); - - retval = pci_register_driver(&nand_pci_driver); - if (retval) - return -ENOMEM; - - return PASS; -} - -/* Free memory */ -int nand_release_spectra(void) -{ - pci_unregister_driver(&nand_pci_driver); - iounmap(FlashMem); - iounmap(FlashReg); - - return 0; -} - - - diff --git a/drivers/staging/spectra/lld_nand.h b/drivers/staging/spectra/lld_nand.h deleted file mode 100644 index d08388287da8..000000000000 --- a/drivers/staging/spectra/lld_nand.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef _LLD_NAND_ -#define _LLD_NAND_ - -#ifdef ELDORA -#include "defs.h" -#else -#include "flash.h" -#include "ffsport.h" -#endif - -#define MODE_00 0x00000000 -#define MODE_01 0x04000000 -#define MODE_10 0x08000000 -#define MODE_11 0x0C000000 - - -#define DATA_TRANSFER_MODE 0 -#define PROTECTION_PER_BLOCK 1 -#define LOAD_WAIT_COUNT 2 -#define PROGRAM_WAIT_COUNT 3 -#define ERASE_WAIT_COUNT 4 -#define INT_MONITOR_CYCLE_COUNT 5 -#define READ_BUSY_PIN_ENABLED 6 -#define MULTIPLANE_OPERATION_SUPPORT 7 -#define PRE_FETCH_MODE 8 -#define CE_DONT_CARE_SUPPORT 9 -#define COPYBACK_SUPPORT 10 -#define CACHE_WRITE_SUPPORT 11 -#define CACHE_READ_SUPPORT 12 -#define NUM_PAGES_IN_BLOCK 13 -#define ECC_ENABLE_SELECT 14 -#define WRITE_ENABLE_2_READ_ENABLE 15 -#define ADDRESS_2_DATA 16 -#define READ_ENABLE_2_WRITE_ENABLE 17 -#define TWO_ROW_ADDRESS_CYCLES 18 -#define MULTIPLANE_ADDRESS_RESTRICT 19 -#define ACC_CLOCKS 20 -#define READ_WRITE_ENABLE_LOW_COUNT 21 -#define READ_WRITE_ENABLE_HIGH_COUNT 22 - -#define ECC_SECTOR_SIZE 512 -#define LLD_MAX_FLASH_BANKS 4 - -struct mrst_nand_info { - struct pci_dev *dev; - u32 state; - u32 flash_bank; - u8 *read_data; - u8 *write_data; - u32 block; - u16 page; - u32 use_dma; - void __iomem *ioaddr; /* Mapped io reg base address */ - int ret; - u32 pcmds_num; - struct pending_cmd *pcmds; - int cdma_num; /* CDMA descriptor number in this chan */ - u8 *cdma_desc_buf; /* CDMA descriptor table */ - u8 *memcp_desc_buf; /* Memory copy descriptor table */ - dma_addr_t cdma_desc; /* Mapped CDMA descriptor table */ - dma_addr_t memcp_desc; /* Mapped memory copy descriptor table */ - struct completion complete; -}; - -int NAND_Flash_Init(void); -int nand_release_spectra(void); -u16 NAND_Flash_Reset(void); -u16 NAND_Read_Device_ID(void); -u16 NAND_Erase_Block(u32 flash_add); -u16 NAND_Write_Page_Main(u8 *write_data, u32 block, u16 page, - u16 page_count); -u16 NAND_Read_Page_Main(u8 *read_data, u32 block, u16 page, - u16 page_count); -u16 NAND_UnlockArrayAll(void); -u16 NAND_Write_Page_Main_Spare(u8 *write_data, u32 block, - u16 page, u16 page_count); -u16 NAND_Write_Page_Spare(u8 *read_data, u32 block, u16 page, - u16 page_count); -u16 NAND_Read_Page_Main_Spare(u8 *read_data, u32 block, u16 page, - u16 page_count); -u16 NAND_Read_Page_Spare(u8 *read_data, u32 block, u16 page, - u16 page_count); -void NAND_LLD_Enable_Disable_Interrupts(u16 INT_ENABLE); -u16 NAND_Get_Bad_Block(u32 block); -u16 NAND_Pipeline_Read_Ahead(u8 *read_data, u32 block, u16 page, - u16 page_count); -u16 NAND_Pipeline_Write_Ahead(u8 *write_data, u32 block, - u16 page, u16 page_count); -u16 NAND_Multiplane_Read(u8 *read_data, u32 block, u16 page, - u16 page_count); -u16 NAND_Multiplane_Write(u8 *write_data, u32 block, u16 page, - u16 page_count); -void NAND_ECC_Ctrl(int enable); -u16 NAND_Read_Page_Main_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count); -u16 NAND_Pipeline_Read_Ahead_Polling(u8 *read_data, - u32 block, u16 page, u16 page_count); -void Conv_Spare_Data_Log2Phy_Format(u8 *data); -void Conv_Spare_Data_Phy2Log_Format(u8 *data); -void Conv_Main_Spare_Data_Log2Phy_Format(u8 *data, u16 page_count); -void Conv_Main_Spare_Data_Phy2Log_Format(u8 *data, u16 page_count); - -extern void __iomem *FlashReg; -extern void __iomem *FlashMem; - -extern int totalUsedBanks; -extern u32 GLOB_valid_banks[LLD_MAX_FLASH_BANKS]; - -#endif /*_LLD_NAND_*/ - - - diff --git a/drivers/staging/spectra/nand_regs.h b/drivers/staging/spectra/nand_regs.h deleted file mode 100644 index e192e4ae8c1e..000000000000 --- a/drivers/staging/spectra/nand_regs.h +++ /dev/null @@ -1,619 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#define DEVICE_RESET 0x0 -#define DEVICE_RESET__BANK0 0x0001 -#define DEVICE_RESET__BANK1 0x0002 -#define DEVICE_RESET__BANK2 0x0004 -#define DEVICE_RESET__BANK3 0x0008 - -#define TRANSFER_SPARE_REG 0x10 -#define TRANSFER_SPARE_REG__FLAG 0x0001 - -#define LOAD_WAIT_CNT 0x20 -#define LOAD_WAIT_CNT__VALUE 0xffff - -#define PROGRAM_WAIT_CNT 0x30 -#define PROGRAM_WAIT_CNT__VALUE 0xffff - -#define ERASE_WAIT_CNT 0x40 -#define ERASE_WAIT_CNT__VALUE 0xffff - -#define INT_MON_CYCCNT 0x50 -#define INT_MON_CYCCNT__VALUE 0xffff - -#define RB_PIN_ENABLED 0x60 -#define RB_PIN_ENABLED__BANK0 0x0001 -#define RB_PIN_ENABLED__BANK1 0x0002 -#define RB_PIN_ENABLED__BANK2 0x0004 -#define RB_PIN_ENABLED__BANK3 0x0008 - -#define MULTIPLANE_OPERATION 0x70 -#define MULTIPLANE_OPERATION__FLAG 0x0001 - -#define MULTIPLANE_READ_ENABLE 0x80 -#define MULTIPLANE_READ_ENABLE__FLAG 0x0001 - -#define COPYBACK_DISABLE 0x90 -#define COPYBACK_DISABLE__FLAG 0x0001 - -#define CACHE_WRITE_ENABLE 0xa0 -#define CACHE_WRITE_ENABLE__FLAG 0x0001 - -#define CACHE_READ_ENABLE 0xb0 -#define CACHE_READ_ENABLE__FLAG 0x0001 - -#define PREFETCH_MODE 0xc0 -#define PREFETCH_MODE__PREFETCH_EN 0x0001 -#define PREFETCH_MODE__PREFETCH_BURST_LENGTH 0xfff0 - -#define CHIP_ENABLE_DONT_CARE 0xd0 -#define CHIP_EN_DONT_CARE__FLAG 0x01 - -#define ECC_ENABLE 0xe0 -#define ECC_ENABLE__FLAG 0x0001 - -#define GLOBAL_INT_ENABLE 0xf0 -#define GLOBAL_INT_EN_FLAG 0x01 - -#define WE_2_RE 0x100 -#define WE_2_RE__VALUE 0x003f - -#define ADDR_2_DATA 0x110 -#define ADDR_2_DATA__VALUE 0x003f - -#define RE_2_WE 0x120 -#define RE_2_WE__VALUE 0x003f - -#define ACC_CLKS 0x130 -#define ACC_CLKS__VALUE 0x000f - -#define NUMBER_OF_PLANES 0x140 -#define NUMBER_OF_PLANES__VALUE 0x0007 - -#define PAGES_PER_BLOCK 0x150 -#define PAGES_PER_BLOCK__VALUE 0xffff - -#define DEVICE_WIDTH 0x160 -#define DEVICE_WIDTH__VALUE 0x0003 - -#define DEVICE_MAIN_AREA_SIZE 0x170 -#define DEVICE_MAIN_AREA_SIZE__VALUE 0xffff - -#define DEVICE_SPARE_AREA_SIZE 0x180 -#define DEVICE_SPARE_AREA_SIZE__VALUE 0xffff - -#define TWO_ROW_ADDR_CYCLES 0x190 -#define TWO_ROW_ADDR_CYCLES__FLAG 0x0001 - -#define MULTIPLANE_ADDR_RESTRICT 0x1a0 -#define MULTIPLANE_ADDR_RESTRICT__FLAG 0x0001 - -#define ECC_CORRECTION 0x1b0 -#define ECC_CORRECTION__VALUE 0x001f - -#define READ_MODE 0x1c0 -#define READ_MODE__VALUE 0x000f - -#define WRITE_MODE 0x1d0 -#define WRITE_MODE__VALUE 0x000f - -#define COPYBACK_MODE 0x1e0 -#define COPYBACK_MODE__VALUE 0x000f - -#define RDWR_EN_LO_CNT 0x1f0 -#define RDWR_EN_LO_CNT__VALUE 0x001f - -#define RDWR_EN_HI_CNT 0x200 -#define RDWR_EN_HI_CNT__VALUE 0x001f - -#define MAX_RD_DELAY 0x210 -#define MAX_RD_DELAY__VALUE 0x000f - -#define CS_SETUP_CNT 0x220 -#define CS_SETUP_CNT__VALUE 0x001f - -#define SPARE_AREA_SKIP_BYTES 0x230 -#define SPARE_AREA_SKIP_BYTES__VALUE 0x003f - -#define SPARE_AREA_MARKER 0x240 -#define SPARE_AREA_MARKER__VALUE 0xffff - -#define DEVICES_CONNECTED 0x250 -#define DEVICES_CONNECTED__VALUE 0x0007 - -#define DIE_MASK 0x260 -#define DIE_MASK__VALUE 0x00ff - -#define FIRST_BLOCK_OF_NEXT_PLANE 0x270 -#define FIRST_BLOCK_OF_NEXT_PLANE__VALUE 0xffff - -#define WRITE_PROTECT 0x280 -#define WRITE_PROTECT__FLAG 0x0001 - -#define RE_2_RE 0x290 -#define RE_2_RE__VALUE 0x003f - -#define MANUFACTURER_ID 0x300 -#define MANUFACTURER_ID__VALUE 0x00ff - -#define DEVICE_ID 0x310 -#define DEVICE_ID__VALUE 0x00ff - -#define DEVICE_PARAM_0 0x320 -#define DEVICE_PARAM_0__VALUE 0x00ff - -#define DEVICE_PARAM_1 0x330 -#define DEVICE_PARAM_1__VALUE 0x00ff - -#define DEVICE_PARAM_2 0x340 -#define DEVICE_PARAM_2__VALUE 0x00ff - -#define LOGICAL_PAGE_DATA_SIZE 0x350 -#define LOGICAL_PAGE_DATA_SIZE__VALUE 0xffff - -#define LOGICAL_PAGE_SPARE_SIZE 0x360 -#define LOGICAL_PAGE_SPARE_SIZE__VALUE 0xffff - -#define REVISION 0x370 -#define REVISION__VALUE 0xffff - -#define ONFI_DEVICE_FEATURES 0x380 -#define ONFI_DEVICE_FEATURES__VALUE 0x003f - -#define ONFI_OPTIONAL_COMMANDS 0x390 -#define ONFI_OPTIONAL_COMMANDS__VALUE 0x003f - -#define ONFI_TIMING_MODE 0x3a0 -#define ONFI_TIMING_MODE__VALUE 0x003f - -#define ONFI_PGM_CACHE_TIMING_MODE 0x3b0 -#define ONFI_PGM_CACHE_TIMING_MODE__VALUE 0x003f - -#define ONFI_DEVICE_NO_OF_LUNS 0x3c0 -#define ONFI_DEVICE_NO_OF_LUNS__NO_OF_LUNS 0x00ff -#define ONFI_DEVICE_NO_OF_LUNS__ONFI_DEVICE 0x0100 - -#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L 0x3d0 -#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_L__VALUE 0xffff - -#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U 0x3e0 -#define ONFI_DEVICE_NO_OF_BLOCKS_PER_LUN_U__VALUE 0xffff - -#define FEATURES 0x3f0 -#define FEATURES__N_BANKS 0x0003 -#define FEATURES__ECC_MAX_ERR 0x003c -#define FEATURES__DMA 0x0040 -#define FEATURES__CMD_DMA 0x0080 -#define FEATURES__PARTITION 0x0100 -#define FEATURES__XDMA_SIDEBAND 0x0200 -#define FEATURES__GPREG 0x0400 -#define FEATURES__INDEX_ADDR 0x0800 - -#define TRANSFER_MODE 0x400 -#define TRANSFER_MODE__VALUE 0x0003 - -#define INTR_STATUS0 0x410 -#define INTR_STATUS0__ECC_TRANSACTION_DONE 0x0001 -#define INTR_STATUS0__ECC_ERR 0x0002 -#define INTR_STATUS0__DMA_CMD_COMP 0x0004 -#define INTR_STATUS0__TIME_OUT 0x0008 -#define INTR_STATUS0__PROGRAM_FAIL 0x0010 -#define INTR_STATUS0__ERASE_FAIL 0x0020 -#define INTR_STATUS0__LOAD_COMP 0x0040 -#define INTR_STATUS0__PROGRAM_COMP 0x0080 -#define INTR_STATUS0__ERASE_COMP 0x0100 -#define INTR_STATUS0__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_STATUS0__LOCKED_BLK 0x0400 -#define INTR_STATUS0__UNSUP_CMD 0x0800 -#define INTR_STATUS0__INT_ACT 0x1000 -#define INTR_STATUS0__RST_COMP 0x2000 -#define INTR_STATUS0__PIPE_CMD_ERR 0x4000 -#define INTR_STATUS0__PAGE_XFER_INC 0x8000 - -#define INTR_EN0 0x420 -#define INTR_EN0__ECC_TRANSACTION_DONE 0x0001 -#define INTR_EN0__ECC_ERR 0x0002 -#define INTR_EN0__DMA_CMD_COMP 0x0004 -#define INTR_EN0__TIME_OUT 0x0008 -#define INTR_EN0__PROGRAM_FAIL 0x0010 -#define INTR_EN0__ERASE_FAIL 0x0020 -#define INTR_EN0__LOAD_COMP 0x0040 -#define INTR_EN0__PROGRAM_COMP 0x0080 -#define INTR_EN0__ERASE_COMP 0x0100 -#define INTR_EN0__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN0__LOCKED_BLK 0x0400 -#define INTR_EN0__UNSUP_CMD 0x0800 -#define INTR_EN0__INT_ACT 0x1000 -#define INTR_EN0__RST_COMP 0x2000 -#define INTR_EN0__PIPE_CMD_ERR 0x4000 -#define INTR_EN0__PAGE_XFER_INC 0x8000 - -#define PAGE_CNT0 0x430 -#define PAGE_CNT0__VALUE 0x00ff - -#define ERR_PAGE_ADDR0 0x440 -#define ERR_PAGE_ADDR0__VALUE 0xffff - -#define ERR_BLOCK_ADDR0 0x450 -#define ERR_BLOCK_ADDR0__VALUE 0xffff - -#define INTR_STATUS1 0x460 -#define INTR_STATUS1__ECC_TRANSACTION_DONE 0x0001 -#define INTR_STATUS1__ECC_ERR 0x0002 -#define INTR_STATUS1__DMA_CMD_COMP 0x0004 -#define INTR_STATUS1__TIME_OUT 0x0008 -#define INTR_STATUS1__PROGRAM_FAIL 0x0010 -#define INTR_STATUS1__ERASE_FAIL 0x0020 -#define INTR_STATUS1__LOAD_COMP 0x0040 -#define INTR_STATUS1__PROGRAM_COMP 0x0080 -#define INTR_STATUS1__ERASE_COMP 0x0100 -#define INTR_STATUS1__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_STATUS1__LOCKED_BLK 0x0400 -#define INTR_STATUS1__UNSUP_CMD 0x0800 -#define INTR_STATUS1__INT_ACT 0x1000 -#define INTR_STATUS1__RST_COMP 0x2000 -#define INTR_STATUS1__PIPE_CMD_ERR 0x4000 -#define INTR_STATUS1__PAGE_XFER_INC 0x8000 - -#define INTR_EN1 0x470 -#define INTR_EN1__ECC_TRANSACTION_DONE 0x0001 -#define INTR_EN1__ECC_ERR 0x0002 -#define INTR_EN1__DMA_CMD_COMP 0x0004 -#define INTR_EN1__TIME_OUT 0x0008 -#define INTR_EN1__PROGRAM_FAIL 0x0010 -#define INTR_EN1__ERASE_FAIL 0x0020 -#define INTR_EN1__LOAD_COMP 0x0040 -#define INTR_EN1__PROGRAM_COMP 0x0080 -#define INTR_EN1__ERASE_COMP 0x0100 -#define INTR_EN1__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN1__LOCKED_BLK 0x0400 -#define INTR_EN1__UNSUP_CMD 0x0800 -#define INTR_EN1__INT_ACT 0x1000 -#define INTR_EN1__RST_COMP 0x2000 -#define INTR_EN1__PIPE_CMD_ERR 0x4000 -#define INTR_EN1__PAGE_XFER_INC 0x8000 - -#define PAGE_CNT1 0x480 -#define PAGE_CNT1__VALUE 0x00ff - -#define ERR_PAGE_ADDR1 0x490 -#define ERR_PAGE_ADDR1__VALUE 0xffff - -#define ERR_BLOCK_ADDR1 0x4a0 -#define ERR_BLOCK_ADDR1__VALUE 0xffff - -#define INTR_STATUS2 0x4b0 -#define INTR_STATUS2__ECC_TRANSACTION_DONE 0x0001 -#define INTR_STATUS2__ECC_ERR 0x0002 -#define INTR_STATUS2__DMA_CMD_COMP 0x0004 -#define INTR_STATUS2__TIME_OUT 0x0008 -#define INTR_STATUS2__PROGRAM_FAIL 0x0010 -#define INTR_STATUS2__ERASE_FAIL 0x0020 -#define INTR_STATUS2__LOAD_COMP 0x0040 -#define INTR_STATUS2__PROGRAM_COMP 0x0080 -#define INTR_STATUS2__ERASE_COMP 0x0100 -#define INTR_STATUS2__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_STATUS2__LOCKED_BLK 0x0400 -#define INTR_STATUS2__UNSUP_CMD 0x0800 -#define INTR_STATUS2__INT_ACT 0x1000 -#define INTR_STATUS2__RST_COMP 0x2000 -#define INTR_STATUS2__PIPE_CMD_ERR 0x4000 -#define INTR_STATUS2__PAGE_XFER_INC 0x8000 - -#define INTR_EN2 0x4c0 -#define INTR_EN2__ECC_TRANSACTION_DONE 0x0001 -#define INTR_EN2__ECC_ERR 0x0002 -#define INTR_EN2__DMA_CMD_COMP 0x0004 -#define INTR_EN2__TIME_OUT 0x0008 -#define INTR_EN2__PROGRAM_FAIL 0x0010 -#define INTR_EN2__ERASE_FAIL 0x0020 -#define INTR_EN2__LOAD_COMP 0x0040 -#define INTR_EN2__PROGRAM_COMP 0x0080 -#define INTR_EN2__ERASE_COMP 0x0100 -#define INTR_EN2__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN2__LOCKED_BLK 0x0400 -#define INTR_EN2__UNSUP_CMD 0x0800 -#define INTR_EN2__INT_ACT 0x1000 -#define INTR_EN2__RST_COMP 0x2000 -#define INTR_EN2__PIPE_CMD_ERR 0x4000 -#define INTR_EN2__PAGE_XFER_INC 0x8000 - -#define PAGE_CNT2 0x4d0 -#define PAGE_CNT2__VALUE 0x00ff - -#define ERR_PAGE_ADDR2 0x4e0 -#define ERR_PAGE_ADDR2__VALUE 0xffff - -#define ERR_BLOCK_ADDR2 0x4f0 -#define ERR_BLOCK_ADDR2__VALUE 0xffff - -#define INTR_STATUS3 0x500 -#define INTR_STATUS3__ECC_TRANSACTION_DONE 0x0001 -#define INTR_STATUS3__ECC_ERR 0x0002 -#define INTR_STATUS3__DMA_CMD_COMP 0x0004 -#define INTR_STATUS3__TIME_OUT 0x0008 -#define INTR_STATUS3__PROGRAM_FAIL 0x0010 -#define INTR_STATUS3__ERASE_FAIL 0x0020 -#define INTR_STATUS3__LOAD_COMP 0x0040 -#define INTR_STATUS3__PROGRAM_COMP 0x0080 -#define INTR_STATUS3__ERASE_COMP 0x0100 -#define INTR_STATUS3__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_STATUS3__LOCKED_BLK 0x0400 -#define INTR_STATUS3__UNSUP_CMD 0x0800 -#define INTR_STATUS3__INT_ACT 0x1000 -#define INTR_STATUS3__RST_COMP 0x2000 -#define INTR_STATUS3__PIPE_CMD_ERR 0x4000 -#define INTR_STATUS3__PAGE_XFER_INC 0x8000 - -#define INTR_EN3 0x510 -#define INTR_EN3__ECC_TRANSACTION_DONE 0x0001 -#define INTR_EN3__ECC_ERR 0x0002 -#define INTR_EN3__DMA_CMD_COMP 0x0004 -#define INTR_EN3__TIME_OUT 0x0008 -#define INTR_EN3__PROGRAM_FAIL 0x0010 -#define INTR_EN3__ERASE_FAIL 0x0020 -#define INTR_EN3__LOAD_COMP 0x0040 -#define INTR_EN3__PROGRAM_COMP 0x0080 -#define INTR_EN3__ERASE_COMP 0x0100 -#define INTR_EN3__PIPE_CPYBCK_CMD_COMP 0x0200 -#define INTR_EN3__LOCKED_BLK 0x0400 -#define INTR_EN3__UNSUP_CMD 0x0800 -#define INTR_EN3__INT_ACT 0x1000 -#define INTR_EN3__RST_COMP 0x2000 -#define INTR_EN3__PIPE_CMD_ERR 0x4000 -#define INTR_EN3__PAGE_XFER_INC 0x8000 - -#define PAGE_CNT3 0x520 -#define PAGE_CNT3__VALUE 0x00ff - -#define ERR_PAGE_ADDR3 0x530 -#define ERR_PAGE_ADDR3__VALUE 0xffff - -#define ERR_BLOCK_ADDR3 0x540 -#define ERR_BLOCK_ADDR3__VALUE 0xffff - -#define DATA_INTR 0x550 -#define DATA_INTR__WRITE_SPACE_AV 0x0001 -#define DATA_INTR__READ_DATA_AV 0x0002 - -#define DATA_INTR_EN 0x560 -#define DATA_INTR_EN__WRITE_SPACE_AV 0x0001 -#define DATA_INTR_EN__READ_DATA_AV 0x0002 - -#define GPREG_0 0x570 -#define GPREG_0__VALUE 0xffff - -#define GPREG_1 0x580 -#define GPREG_1__VALUE 0xffff - -#define GPREG_2 0x590 -#define GPREG_2__VALUE 0xffff - -#define GPREG_3 0x5a0 -#define GPREG_3__VALUE 0xffff - -#define ECC_THRESHOLD 0x600 -#define ECC_THRESHOLD__VALUE 0x03ff - -#define ECC_ERROR_BLOCK_ADDRESS 0x610 -#define ECC_ERROR_BLOCK_ADDRESS__VALUE 0xffff - -#define ECC_ERROR_PAGE_ADDRESS 0x620 -#define ECC_ERROR_PAGE_ADDRESS__VALUE 0x0fff -#define ECC_ERROR_PAGE_ADDRESS__BANK 0xf000 - -#define ECC_ERROR_ADDRESS 0x630 -#define ECC_ERROR_ADDRESS__OFFSET 0x0fff -#define ECC_ERROR_ADDRESS__SECTOR_NR 0xf000 - -#define ERR_CORRECTION_INFO 0x640 -#define ERR_CORRECTION_INFO__BYTEMASK 0x00ff -#define ERR_CORRECTION_INFO__DEVICE_NR 0x0f00 -#define ERR_CORRECTION_INFO__ERROR_TYPE 0x4000 -#define ERR_CORRECTION_INFO__LAST_ERR_INFO 0x8000 - -#define DMA_ENABLE 0x700 -#define DMA_ENABLE__FLAG 0x0001 - -#define IGNORE_ECC_DONE 0x710 -#define IGNORE_ECC_DONE__FLAG 0x0001 - -#define DMA_INTR 0x720 -#define DMA_INTR__TARGET_ERROR 0x0001 -#define DMA_INTR__DESC_COMP_CHANNEL0 0x0002 -#define DMA_INTR__DESC_COMP_CHANNEL1 0x0004 -#define DMA_INTR__DESC_COMP_CHANNEL2 0x0008 -#define DMA_INTR__DESC_COMP_CHANNEL3 0x0010 -#define DMA_INTR__MEMCOPY_DESC_COMP 0x0020 - -#define DMA_INTR_EN 0x730 -#define DMA_INTR_EN__TARGET_ERROR 0x0001 -#define DMA_INTR_EN__DESC_COMP_CHANNEL0 0x0002 -#define DMA_INTR_EN__DESC_COMP_CHANNEL1 0x0004 -#define DMA_INTR_EN__DESC_COMP_CHANNEL2 0x0008 -#define DMA_INTR_EN__DESC_COMP_CHANNEL3 0x0010 -#define DMA_INTR_EN__MEMCOPY_DESC_COMP 0x0020 - -#define TARGET_ERR_ADDR_LO 0x740 -#define TARGET_ERR_ADDR_LO__VALUE 0xffff - -#define TARGET_ERR_ADDR_HI 0x750 -#define TARGET_ERR_ADDR_HI__VALUE 0xffff - -#define CHNL_ACTIVE 0x760 -#define CHNL_ACTIVE__CHANNEL0 0x0001 -#define CHNL_ACTIVE__CHANNEL1 0x0002 -#define CHNL_ACTIVE__CHANNEL2 0x0004 -#define CHNL_ACTIVE__CHANNEL3 0x0008 - -#define ACTIVE_SRC_ID 0x800 -#define ACTIVE_SRC_ID__VALUE 0x00ff - -#define PTN_INTR 0x810 -#define PTN_INTR__CONFIG_ERROR 0x0001 -#define PTN_INTR__ACCESS_ERROR_BANK0 0x0002 -#define PTN_INTR__ACCESS_ERROR_BANK1 0x0004 -#define PTN_INTR__ACCESS_ERROR_BANK2 0x0008 -#define PTN_INTR__ACCESS_ERROR_BANK3 0x0010 -#define PTN_INTR__REG_ACCESS_ERROR 0x0020 - -#define PTN_INTR_EN 0x820 -#define PTN_INTR_EN__CONFIG_ERROR 0x0001 -#define PTN_INTR_EN__ACCESS_ERROR_BANK0 0x0002 -#define PTN_INTR_EN__ACCESS_ERROR_BANK1 0x0004 -#define PTN_INTR_EN__ACCESS_ERROR_BANK2 0x0008 -#define PTN_INTR_EN__ACCESS_ERROR_BANK3 0x0010 -#define PTN_INTR_EN__REG_ACCESS_ERROR 0x0020 - -#define PERM_SRC_ID_0 0x830 -#define PERM_SRC_ID_0__SRCID 0x00ff -#define PERM_SRC_ID_0__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_0__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_0__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_0__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_0 0x840 -#define MIN_BLK_ADDR_0__VALUE 0xffff - -#define MAX_BLK_ADDR_0 0x850 -#define MAX_BLK_ADDR_0__VALUE 0xffff - -#define MIN_MAX_BANK_0 0x860 -#define MIN_MAX_BANK_0__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_0__MAX_VALUE 0x000c - -#define PERM_SRC_ID_1 0x870 -#define PERM_SRC_ID_1__SRCID 0x00ff -#define PERM_SRC_ID_1__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_1__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_1__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_1__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_1 0x880 -#define MIN_BLK_ADDR_1__VALUE 0xffff - -#define MAX_BLK_ADDR_1 0x890 -#define MAX_BLK_ADDR_1__VALUE 0xffff - -#define MIN_MAX_BANK_1 0x8a0 -#define MIN_MAX_BANK_1__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_1__MAX_VALUE 0x000c - -#define PERM_SRC_ID_2 0x8b0 -#define PERM_SRC_ID_2__SRCID 0x00ff -#define PERM_SRC_ID_2__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_2__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_2__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_2__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_2 0x8c0 -#define MIN_BLK_ADDR_2__VALUE 0xffff - -#define MAX_BLK_ADDR_2 0x8d0 -#define MAX_BLK_ADDR_2__VALUE 0xffff - -#define MIN_MAX_BANK_2 0x8e0 -#define MIN_MAX_BANK_2__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_2__MAX_VALUE 0x000c - -#define PERM_SRC_ID_3 0x8f0 -#define PERM_SRC_ID_3__SRCID 0x00ff -#define PERM_SRC_ID_3__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_3__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_3__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_3__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_3 0x900 -#define MIN_BLK_ADDR_3__VALUE 0xffff - -#define MAX_BLK_ADDR_3 0x910 -#define MAX_BLK_ADDR_3__VALUE 0xffff - -#define MIN_MAX_BANK_3 0x920 -#define MIN_MAX_BANK_3__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_3__MAX_VALUE 0x000c - -#define PERM_SRC_ID_4 0x930 -#define PERM_SRC_ID_4__SRCID 0x00ff -#define PERM_SRC_ID_4__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_4__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_4__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_4__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_4 0x940 -#define MIN_BLK_ADDR_4__VALUE 0xffff - -#define MAX_BLK_ADDR_4 0x950 -#define MAX_BLK_ADDR_4__VALUE 0xffff - -#define MIN_MAX_BANK_4 0x960 -#define MIN_MAX_BANK_4__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_4__MAX_VALUE 0x000c - -#define PERM_SRC_ID_5 0x970 -#define PERM_SRC_ID_5__SRCID 0x00ff -#define PERM_SRC_ID_5__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_5__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_5__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_5__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_5 0x980 -#define MIN_BLK_ADDR_5__VALUE 0xffff - -#define MAX_BLK_ADDR_5 0x990 -#define MAX_BLK_ADDR_5__VALUE 0xffff - -#define MIN_MAX_BANK_5 0x9a0 -#define MIN_MAX_BANK_5__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_5__MAX_VALUE 0x000c - -#define PERM_SRC_ID_6 0x9b0 -#define PERM_SRC_ID_6__SRCID 0x00ff -#define PERM_SRC_ID_6__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_6__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_6__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_6__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_6 0x9c0 -#define MIN_BLK_ADDR_6__VALUE 0xffff - -#define MAX_BLK_ADDR_6 0x9d0 -#define MAX_BLK_ADDR_6__VALUE 0xffff - -#define MIN_MAX_BANK_6 0x9e0 -#define MIN_MAX_BANK_6__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_6__MAX_VALUE 0x000c - -#define PERM_SRC_ID_7 0x9f0 -#define PERM_SRC_ID_7__SRCID 0x00ff -#define PERM_SRC_ID_7__DIRECT_ACCESS_ACTIVE 0x0800 -#define PERM_SRC_ID_7__WRITE_ACTIVE 0x2000 -#define PERM_SRC_ID_7__READ_ACTIVE 0x4000 -#define PERM_SRC_ID_7__PARTITION_VALID 0x8000 - -#define MIN_BLK_ADDR_7 0xa00 -#define MIN_BLK_ADDR_7__VALUE 0xffff - -#define MAX_BLK_ADDR_7 0xa10 -#define MAX_BLK_ADDR_7__VALUE 0xffff - -#define MIN_MAX_BANK_7 0xa20 -#define MIN_MAX_BANK_7__MIN_VALUE 0x0003 -#define MIN_MAX_BANK_7__MAX_VALUE 0x000c diff --git a/drivers/staging/spectra/spectraswconfig.h b/drivers/staging/spectra/spectraswconfig.h deleted file mode 100644 index 17259469e955..000000000000 --- a/drivers/staging/spectra/spectraswconfig.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * NAND Flash Controller Device Driver - * Copyright (c) 2009, Intel Corporation and its suppliers. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef _SPECTRASWCONFIG_ -#define _SPECTRASWCONFIG_ - -/* NAND driver version */ -#define GLOB_VERSION "driver version 20100311" - - -/***** Common Parameters *****/ -#define RETRY_TIMES 3 - -#define READ_BADBLOCK_INFO 1 -#define READBACK_VERIFY 0 -#define AUTO_FORMAT_FLASH 0 - -/***** Cache Parameters *****/ -#define CACHE_ITEM_NUM 128 -#define BLK_NUM_FOR_L2_CACHE 16 - -/***** Block Table Parameters *****/ -#define BLOCK_TABLE_INDEX 0 - -/***** Wear Leveling Parameters *****/ -#define WEAR_LEVELING_GATE 0x10 -#define WEAR_LEVELING_BLOCK_NUM 10 - -#define DEBUG_BNDRY 0 - -/***** Product Feature Support *****/ -#define FLASH_EMU defined(CONFIG_SPECTRA_EMU) -#define FLASH_NAND defined(CONFIG_SPECTRA_MRST_HW) -#define FLASH_MTD defined(CONFIG_SPECTRA_MTD) -#define CMD_DMA defined(CONFIG_SPECTRA_MRST_HW_DMA) - -#define SPECTRA_PARTITION_ID 0 - -/* Enable this macro if the number of flash blocks is larger than 16K. */ -#define SUPPORT_LARGE_BLOCKNUM 1 - -/**** Block Table and Reserved Block Parameters *****/ -#define SPECTRA_START_BLOCK 3 -//#define NUM_FREE_BLOCKS_GATE 30 -#define NUM_FREE_BLOCKS_GATE 60 - -/**** Hardware Parameters ****/ -#define GLOB_HWCTL_REG_BASE 0xFFA40000 -#define GLOB_HWCTL_REG_SIZE 4096 - -#define GLOB_HWCTL_MEM_BASE 0xFFA48000 -#define GLOB_HWCTL_MEM_SIZE 4096 - -/* KBV - Updated to LNW scratch register address */ -#define SCRATCH_REG_ADDR 0xFF108018 -#define SCRATCH_REG_SIZE 64 - -#define GLOB_HWCTL_DEFAULT_BLKS 2048 - -#define SUPPORT_15BITECC 1 -#define SUPPORT_8BITECC 1 - -#define ONFI_BLOOM_TIME 0 -#define MODE5_WORKAROUND 1 - -#endif /*_SPECTRASWCONFIG_*/ |