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Diffstat (limited to 'board/sbc8349/sbc8349.c')
| -rw-r--r-- | board/sbc8349/sbc8349.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/board/sbc8349/sbc8349.c b/board/sbc8349/sbc8349.c deleted file mode 100644 index b440a0b17e9..00000000000 --- a/board/sbc8349/sbc8349.c +++ /dev/null @@ -1,243 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * sbc8349.c -- WindRiver SBC8349 board support. - * Copyright (c) 2006-2007 Wind River Systems, Inc. - * - * Paul Gortmaker <paul.gortmaker@windriver.com> - * Based on board/mpc8349emds/mpc8349emds.c (and previous 834x releases.) - */ - -#include <common.h> -#include <fdt_support.h> -#include <init.h> -#include <ioports.h> -#include <mpc83xx.h> -#include <asm/bitops.h> -#include <asm/global_data.h> -#include <asm/mpc8349_pci.h> -#include <i2c.h> -#include <spd_sdram.h> -#include <miiphy.h> -#if defined(CONFIG_OF_LIBFDT) -#include <linux/libfdt.h> -#endif -#include <linux/delay.h> - -DECLARE_GLOBAL_DATA_PTR; - -int fixed_sdram(void); -void sdram_init(void); - -#if defined(CONFIG_DDR_ECC) && defined(CONFIG_MPC83xx) -void ddr_enable_ecc(unsigned int dram_size); -#endif - -#ifdef CONFIG_BOARD_EARLY_INIT_F -int board_early_init_f (void) -{ - return 0; -} -#endif - -#define ns2clk(ns) (ns / (1000000000 / CONFIG_8349_CLKIN) + 1) - -int dram_init(void) -{ - volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; - u32 msize = 0; - - if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im) - return -1; - - /* DDR SDRAM - Main SODIMM */ - im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & LAWBAR_BAR; -#if defined(CONFIG_SPD_EEPROM) - msize = spd_sdram(); -#else - msize = fixed_sdram(); -#endif - /* - * Initialize SDRAM if it is on local bus. - */ - sdram_init(); - -#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) - /* - * Initialize and enable DDR ECC. - */ - ddr_enable_ecc(msize * 1024 * 1024); -#endif - /* set total bus SDRAM size(bytes) -- DDR */ - gd->ram_size = msize * 1024 * 1024; - - return 0; -} - -#if !defined(CONFIG_SPD_EEPROM) -/************************************************************************* - * fixed sdram init -- doesn't use serial presence detect. - ************************************************************************/ -int fixed_sdram(void) -{ - volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; - u32 msize = CONFIG_SYS_DDR_SIZE; - u32 ddr_size = msize << 20; /* DDR size in bytes */ - u32 ddr_size_log2 = __ilog2(msize); - - im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & 0xfffff000; - im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE); - -#if (CONFIG_SYS_DDR_SIZE != 256) -#warning Currently any ddr size other than 256 is not supported -#endif - -#if ((CONFIG_SYS_SDRAM_BASE & 0x00FFFFFF) != 0) -#warning Chip select bounds is only configurable in 16MB increments -#endif - im->ddr.csbnds[2].csbnds = - ((CONFIG_SYS_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) | - (((CONFIG_SYS_SDRAM_BASE + ddr_size - 1) >> - CSBNDS_EA_SHIFT) & CSBNDS_EA); - im->ddr.cs_config[2] = CONFIG_SYS_DDR_CS2_CONFIG; - - /* currently we use only one CS, so disable the other banks */ - im->ddr.cs_config[0] = 0; - im->ddr.cs_config[1] = 0; - im->ddr.cs_config[3] = 0; - - im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; - im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; - - im->ddr.sdram_cfg = - SDRAM_CFG_SREN -#if defined(CONFIG_DDR_2T_TIMING) - | SDRAM_CFG_2T_EN -#endif - | SDRAM_CFG_SDRAM_TYPE_DDR1; -#if defined (CONFIG_DDR_32BIT) - /* for 32-bit mode burst length is 8 */ - im->ddr.sdram_cfg |= (SDRAM_CFG_32_BE | SDRAM_CFG_8_BE); -#endif - im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE; - - im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL; - udelay(200); - - /* enable DDR controller */ - im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; - return msize; -} -#endif/*!CONFIG_SYS_SPD_EEPROM*/ - - -int checkboard (void) -{ - puts("Board: Wind River SBC834x\n"); - return 0; -} - -/* - * if board is fitted with SDRAM - */ -#if defined(CONFIG_SYS_BR2_PRELIM) \ - && defined(CONFIG_SYS_OR2_PRELIM) \ - && defined(CONFIG_SYS_LBLAWBAR2_PRELIM) \ - && defined(CONFIG_SYS_LBLAWAR2_PRELIM) -/* - * Initialize SDRAM memory on the Local Bus. - */ - -void sdram_init(void) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile fsl_lbc_t *lbc = &immap->im_lbc; - uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE; - const u32 lsdmr_common = LSDMR_RFEN | LSDMR_BSMA1516 | LSDMR_RFCR8 | - LSDMR_PRETOACT6 | LSDMR_ACTTORW3 | LSDMR_BL8 | - LSDMR_WRC3 | LSDMR_CL3; - - puts("\n SDRAM on Local Bus: "); - print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); - - /* - * Setup SDRAM Base and Option Registers, already done in cpu_init.c - */ - - /* setup mtrpt, lsrt and lbcr for LB bus */ - lbc->lbcr = 0x00000000; - /* LB refresh timer prescal, 266MHz/32 */ - lbc->mrtpr = 0x20000000; - /* LB sdram refresh timer, about 6us */ - lbc->lsrt = 0x32000000; - asm("sync"); - - /* - * Configure the SDRAM controller Machine Mode Register. - */ - /* 0x40636733; normal operation */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL; - - /* 0x68636733; precharge all the banks */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL; - asm("sync"); - *sdram_addr = 0xff; - udelay(100); - - /* 0x48636733; auto refresh */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH; - asm("sync"); - /*1 times*/ - *sdram_addr = 0xff; - udelay(100); - /*2 times*/ - *sdram_addr = 0xff; - udelay(100); - /*3 times*/ - *sdram_addr = 0xff; - udelay(100); - /*4 times*/ - *sdram_addr = 0xff; - udelay(100); - /*5 times*/ - *sdram_addr = 0xff; - udelay(100); - /*6 times*/ - *sdram_addr = 0xff; - udelay(100); - /*7 times*/ - *sdram_addr = 0xff; - udelay(100); - /*8 times*/ - *sdram_addr = 0xff; - udelay(100); - - /* 0x58636733; mode register write operation */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW; - asm("sync"); - *sdram_addr = 0xff; - udelay(100); - - /* 0x40636733; normal operation */ - lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL; - asm("sync"); - *sdram_addr = 0xff; - udelay(100); -} -#else -void sdram_init(void) -{ - puts(" SDRAM on Local Bus: Disabled in config\n"); -} -#endif - -#if defined(CONFIG_OF_BOARD_SETUP) -int ft_board_setup(void *blob, struct bd_info *bd) -{ - ft_cpu_setup(blob, bd); -#ifdef CONFIG_PCI - ft_pci_setup(blob, bd); -#endif - - return 0; -} -#endif |