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/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian.pop@leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.com>
*
* Configuation settings for the AT91SAM9G20EK board.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* ARM asynchronous clock */
#define AT91_MAIN_CLOCK 198656000 /* from 18.432 MHz crystal */
#define AT91_MASTER_CLOCK 132096000 /* peripheral clock */
#define CFG_HZ 1000000 /* 1us resolution */
#define AT91_SLOW_CLOCK 32768 /* slow clock */
#define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
#define CONFIG_AT91SAM9G20 1 /* It's an Atmel AT91SAM9G20 SoC*/
#define CONFIG_AT91SAM9G20EK 1 /* on an AT91SAM9G20EK Board */
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_SKIP_RELOCATE_UBOOT
/*
* Hardware drivers
*/
#define CONFIG_ATMEL_USART 1
#undef CONFIG_USART0
#undef CONFIG_USART1
#undef CONFIG_USART2
#define CONFIG_USART3 1 /* USART 3 is DBGU */
#define CONFIG_BOOTDELAY 3
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE 1
#define CONFIG_BOOTP_BOOTPATH 1
#define CONFIG_BOOTP_GATEWAY 1
#define CONFIG_BOOTP_HOSTNAME 1
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#undef CONFIG_CMD_BDI
#undef CONFIG_CMD_IMI
#undef CONFIG_CMD_AUTOSCRIPT
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_IMLS
#define CONFIG_CMD_PING 1
#define CONFIG_CMD_DHCP 1
#define CONFIG_CMD_NAND 1
#define CONFIG_CMD_USB 1
/* SDRAM */
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM 0x20000000
#define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */
/* DataFlash */
#define CONFIG_HAS_DATAFLASH 1
#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
#define CFG_MAX_DATAFLASH_BANKS 2
#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
#define CFG_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */
#define AT91_SPI_CLK 15000000
#define DATAFLASH_TCSS (0x22 << 16)
#define DATAFLASH_TCHS (0x1 << 24)
/* NAND flash */
#define NAND_MAX_CHIPS 1
#define CFG_MAX_NAND_DEVICE 1
#define CFG_NAND_BASE 0x40000000
#define CFG_NAND_DBW_8 1
/* NOR flash - no real flash on this board */
#define CFG_NO_FLASH 1
/* Ethernet */
#define CONFIG_MACB 1
#define CONFIG_RMII 1
#define CONFIG_NET_MULTI 1
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_RESET_PHY_R 1
/* USB */
#define CONFIG_USB_OHCI_NEW 1
#define LITTLEENDIAN 1
#define CONFIG_DOS_PARTITION 1
#define CFG_USB_OHCI_CPU_INIT 1
#define CFG_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9G20_UHP_BASE */
#define CFG_USB_OHCI_SLOT_NAME "at91sam9g20"
#define CFG_USB_OHCI_MAX_ROOT_PORTS 2
#define CONFIG_USB_STORAGE 1
#define CFG_LOAD_ADDR 0x22000000 /* load address */
#define CFG_MEMTEST_START PHYS_SDRAM
#define CFG_MEMTEST_END 0x23e00000
#undef CFG_USE_DATAFLASH_CS0
#define CFG_USE_DATAFLASH_CS1 1
#undef CFG_USE_NANDFLASH
#ifdef CFG_USE_DATAFLASH_CS0
/* bootstrap + u-boot + env + linux in dataflash on CS0 */
#define CONFIG_ENV_IS_IN_DATAFLASH 1
#define CFG_MONITOR_BASE (CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
#define CONFIG_ENV_OFFSET 0x4200
#define CONFIG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
#define CONFIG_ENV_SIZE 0x4200
#define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm"
#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
"root=/dev/mtdblock0 " \
"mtdparts=at91_nand:-(root) " \
"rw rootfstype=jffs2"
#elif CFG_USE_DATAFLASH_CS1
/* bootstrap + u-boot + env + linux in dataflash on CS1 */
#define CONFIG_ENV_IS_IN_DATAFLASH 1
#define CFG_MONITOR_BASE (CFG_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
#define CONFIG_ENV_OFFSET 0x4200
#define CONFIG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
#define CONFIG_ENV_SIZE 0x4200
#define CONFIG_BOOTCOMMAND "cp.b 0xD0042000 0x22000000 0x210000; bootm"
#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
"root=/dev/mtdblock0 " \
"mtdparts=at91_nand:-(root) " \
"rw rootfstype=jffs2"
#else /* CFG_USE_NANDFLASH */
/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_ENV_IS_IN_NAND 1
#define CONFIG_ENV_OFFSET 0x60000
#define CONFIG_ENV_OFFSET_REDUND 0x80000
#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm"
#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
"root=/dev/mtdblock5 " \
"mtdparts=at91_nand:128k(bootstrap)ro," \
"256k(uboot)ro,128k(env1)ro," \
"128k(env2)ro,2M(linux),-(root) " \
"rw rootfstype=jffs2"
#endif
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
#define CFG_PROMPT "U-Boot> "
#define CFG_CBSIZE 256
#define CFG_MAXARGS 16
#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
#define CFG_LONGHELP 1
#define CONFIG_CMDLINE_EDITING 1
#define ROUND(A, B) (((A) + (B)) & ~((B) - 1))
/*
* Size of malloc() pool
*/
#define CFG_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
#define CFG_GBL_DATA_SIZE 128 /* 128 bytes for initial data */
#define CONFIG_STACKSIZE (32*1024) /* regular stack */
#ifdef CONFIG_USE_IRQ
#error CONFIG_USE_IRQ not supported
#endif
#endif
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