diff options
| -rw-r--r-- | board/bf537-stamp/Makefile | 2 | ||||
| -rw-r--r-- | board/bf537-stamp/flash-defines.h | 123 | ||||
| -rw-r--r-- | board/bf537-stamp/flash.c | 403 | ||||
| -rw-r--r-- | include/configs/bf537-stamp.h | 9 |
4 files changed, 6 insertions, 531 deletions
diff --git a/board/bf537-stamp/Makefile b/board/bf537-stamp/Makefile index e4888441a9..cdffc333eb 100644 --- a/board/bf537-stamp/Makefile +++ b/board/bf537-stamp/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := $(BOARD).o flash.o ether_bf537.o post-memory.o stm_m25p64.o cmd_bf537led.o nand.o +COBJS := $(BOARD).o ether_bf537.o post-memory.o stm_m25p64.o cmd_bf537led.o nand.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/bf537-stamp/flash-defines.h b/board/bf537-stamp/flash-defines.h deleted file mode 100644 index 1fa7a10bda..0000000000 --- a/board/bf537-stamp/flash-defines.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * U-boot - flash-defines.h - * - * Copyright (c) 2005-2007 Analog Devices Inc. - * - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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., 51 Franklin St, Fifth Floor, Boston, - * MA 02110-1301 USA - */ - -#ifndef __FLASHDEFINES_H__ -#define __FLASHDEFINES_H__ - -#include <common.h> - -#define V_ULONG(a) (*(volatile unsigned long *)( a )) -#define V_BYTE(a) (*(volatile unsigned char *)( a )) -#define TRUE 0x1 -#define FALSE 0x0 -#define BUFFER_SIZE 0x80000 -#define NO_COMMAND 0 -#define GET_CODES 1 -#define RESET 2 -#define WRITE 3 -#define FILL 4 -#define ERASE_ALL 5 -#define ERASE_SECT 6 -#define READ 7 -#define GET_SECTNUM 8 -#define FLASH_START_L 0x0000 -#define FLASH_START_H 0x2000 -#define FLASH_MAN_ST 2 -#define RESET_VAL 0xF0 - -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; - -int get_codes(void); -int poll_toggle_bit(long lOffset); -void reset_flash(void); -int erase_flash(void); -int erase_block_flash(int); -void unlock_flash(long lOffset); -int write_data(long lStart, long lCount, uchar * pnData); -int read_flash(long nOffset, int *pnValue); -int write_flash(long nOffset, int nValue); -void get_sector_number(long lOffset, int *pnSector); -int GetSectorProtectionStatus(flash_info_t * info, int nSector); -int GetOffset(int nBlock); -int AFP_NumSectors = 71; -long AFP_SectorSize2 = 0x10000; -int AFP_SectorSize1 = 0x2000; - -#define NUM_SECTORS 71 - -#define WRITESEQ1 0x0AAA -#define WRITESEQ2 0x0554 -#define WRITESEQ3 0x0AAA -#define WRITESEQ4 0x0AAA -#define WRITESEQ5 0x0554 -#define WRITESEQ6 0x0AAA -#define WRITEDATA1 0xaa -#define WRITEDATA2 0x55 -#define WRITEDATA3 0x80 -#define WRITEDATA4 0xaa -#define WRITEDATA5 0x55 -#define WRITEDATA6 0x10 -#define PriFlashABegin 0 -#define SecFlashABegin 8 -#define SecFlashBBegin 36 -#define PriFlashAOff 0x0 -#define PriFlashBOff 0x100000 -#define SecFlashAOff 0x10000 -#define SecFlashBOff 0x280000 -#define INVALIDLOCNSTART 0x20270000 -#define INVALIDLOCNEND 0x20280000 -#define BlockEraseVal 0x30 -#define UNLOCKDATA1 0xaa -#define UNLOCKDATA2 0x55 -#define UNLOCKDATA3 0xa0 -#define GETCODEDATA1 0xaa -#define GETCODEDATA2 0x55 -#define GETCODEDATA3 0x90 -#define SecFlashASec1Off 0x200000 -#define SecFlashASec2Off 0x204000 -#define SecFlashASec3Off 0x206000 -#define SecFlashASec4Off 0x208000 -#define SecFlashAEndOff 0x210000 -#define SecFlashBSec1Off 0x280000 -#define SecFlashBSec2Off 0x284000 -#define SecFlashBSec3Off 0x286000 -#define SecFlashBSec4Off 0x288000 -#define SecFlashBEndOff 0x290000 - -#define SECT32 32 -#define SECT33 33 -#define SECT34 34 -#define SECT35 35 -#define SECT36 36 -#define SECT37 37 -#define SECT38 38 -#define SECT39 39 - -#define FLASH_SUCCESS 0 -#define FLASH_FAIL -1 - -#endif diff --git a/board/bf537-stamp/flash.c b/board/bf537-stamp/flash.c deleted file mode 100644 index 8252c42fd8..0000000000 --- a/board/bf537-stamp/flash.c +++ /dev/null @@ -1,403 +0,0 @@ -/* - * U-boot - flash.c Flash driver for PSD4256GV - * - * Copyright (c) 2005-2007 Analog Devices Inc. - * This file is based on BF533EzFlash.c originally written by Analog Devices, Inc. - * - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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., 51 Franklin St, Fifth Floor, Boston, - * MA 02110-1301 USA - */ - -#include <malloc.h> -#include <config.h> -#include <asm/io.h> -#include "flash-defines.h" - -void flash_reset(void) -{ - reset_flash(); -} - -unsigned long flash_get_size(ulong baseaddr, flash_info_t * info, int bank_flag) -{ - int id = 0, i = 0; - static int FlagDev = 1; - - id = get_codes(); - if (FlagDev) { - FlagDev = 0; - } - info->flash_id = id; - switch (bank_flag) { - case 0: - for (i = PriFlashABegin; i < SecFlashABegin; i++) - info->start[i] = (baseaddr + (i * AFP_SectorSize1)); - for (i = SecFlashABegin; i < NUM_SECTORS; i++) - info->start[i] = - (baseaddr + SecFlashAOff + - ((i - SecFlashABegin) * AFP_SectorSize2)); - info->size = 0x400000; - info->sector_count = NUM_SECTORS; - break; - case 1: - info->start[0] = baseaddr + SecFlashASec1Off; - info->start[1] = baseaddr + SecFlashASec2Off; - info->start[2] = baseaddr + SecFlashASec3Off; - info->start[3] = baseaddr + SecFlashASec4Off; - info->size = 0x10000; - info->sector_count = 4; - break; - case 2: - info->start[0] = baseaddr + SecFlashBSec1Off; - info->start[1] = baseaddr + SecFlashBSec2Off; - info->start[2] = baseaddr + SecFlashBSec3Off; - info->start[3] = baseaddr + SecFlashBSec4Off; - info->size = 0x10000; - info->sector_count = 4; - break; - } - return (info->size); -} - -unsigned long flash_init(void) -{ - unsigned long size_b; - int i; - - size_b = 0; - for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - size_b = flash_get_size(CFG_FLASH_BASE, &flash_info[0], 0); - - if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b == 0) { - printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b, size_b >> 20); - } - - /* flash_protect (int flag, ulong from, ulong to, flash_info_t *info) */ - (void)flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE, - (flash_info[0].start[2] - 1), &flash_info[0]); -#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) - (void)flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, - &flash_info[0]); -#endif - - return (size_b); -} - -void flash_print_info(flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id) { - case (STM_ID_29W320EB & 0xFFFF): - case (STM_ID_29W320DB & 0xFFFF): - printf("ST Microelectronics "); - break; - default: - printf("Unknown Vendor: (0x%08X) ", info->flash_id); - break; - } - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf("\n "); - printf(" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf("\n"); - return; -} - -int flash_erase(flash_info_t * info, int s_first, int s_last) -{ - int cnt = 0, i; - int prot, sect; - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) - prot++; - } - if (prot) - printf("- Warning: %d protected sectors will not be erased!\n", - prot); - else - printf("\n"); - - cnt = s_last - s_first + 1; - -#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) - printf("Erasing Flash locations, Please Wait\n"); - for (i = s_first; i <= s_last; i++) { - if (info->protect[i] == 0) { /* not protected */ - if (erase_block_flash(i) < 0) { - printf("Error Sector erasing \n"); - return FLASH_FAIL; - } - } - } -#elif (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT) - if (cnt == FLASH_TOT_SECT) { - printf("Erasing flash, Please Wait \n"); - if (erase_flash() < 0) { - printf("Erasing flash failed \n"); - return FLASH_FAIL; - } - } else { - printf("Erasing Flash locations, Please Wait\n"); - for (i = s_first; i <= s_last; i++) { - if (info->protect[i] == 0) { /* not protected */ - if (erase_block_flash(i) < 0) { - printf("Error Sector erasing \n"); - return FLASH_FAIL; - } - } - } - } -#endif - printf("\n"); - return FLASH_SUCCESS; -} - -int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - int d; - if (addr % 2) { - read_flash(addr - 1 - CFG_FLASH_BASE, &d); - d = (int)((d & 0x00FF) | (*src++ << 8)); - write_data(addr - 1, 2, (uchar *) & d); - write_data(addr + 1, cnt - 1, src); - } else - write_data(addr, cnt, src); - return FLASH_SUCCESS; -} - -int write_data(long lStart, long lCount, uchar * pnData) -{ - long i = 0; - unsigned long ulOffset = lStart - CFG_FLASH_BASE; - int d; - int nSector = 0; - int flag = 0; - - if (lCount % 2) { - flag = 1; - lCount = lCount - 1; - } - - for (i = 0; i < lCount - 1; i += 2, ulOffset += 2) { - get_sector_number(ulOffset, &nSector); - read_flash(ulOffset, &d); - if (d != 0xffff) { - printf - ("Flash not erased at offset 0x%x Please erase to reprogram \n", - ulOffset); - return FLASH_FAIL; - } - unlock_flash(ulOffset); - d = (int)(pnData[i] | pnData[i + 1] << 8); - write_flash(ulOffset, d); - if (poll_toggle_bit(ulOffset) < 0) { - printf("Error programming the flash \n"); - return FLASH_FAIL; - } - if ((i > 0) && (!(i % AFP_SectorSize2))) - printf("."); - } - if (flag) { - get_sector_number(ulOffset, &nSector); - read_flash(ulOffset, &d); - if (d != 0xffff) { - printf - ("Flash not erased at offset 0x%x Please erase to reprogram \n", - ulOffset); - return FLASH_FAIL; - } - unlock_flash(ulOffset); - d = (int)(pnData[i] | (d & 0xFF00)); - write_flash(ulOffset, d); - if (poll_toggle_bit(ulOffset) < 0) { - printf("Error programming the flash \n"); - return FLASH_FAIL; - } - } - return FLASH_SUCCESS; -} - -int write_flash(long nOffset, int nValue) -{ - long addr; - - addr = (CFG_FLASH_BASE + nOffset); - *(unsigned volatile short *)addr = nValue; - SSYNC(); -#if (BFIN_BOOT_MODE == BF537_SPI_MASTER_BOOT) - if (icache_status()) - udelay(CONFIG_CCLK_HZ / 1000000); -#endif - return FLASH_SUCCESS; -} - -int read_flash(long nOffset, int *pnValue) -{ - unsigned short *pFlashAddr = - (unsigned short *)(CFG_FLASH_BASE + nOffset); - - *pnValue = *pFlashAddr; - - return TRUE; -} - -int poll_toggle_bit(long lOffset) -{ - unsigned int u1, u2; - volatile unsigned long *FB = - (volatile unsigned long *)(CFG_FLASH_BASE + lOffset); - while (1) { - u1 = *(volatile unsigned short *)FB; - u2 = *(volatile unsigned short *)FB; - u1 ^= u2; - if (!(u1 & 0x0040)) - break; - if (!(u2 & 0x0020)) - continue; - else { - u1 = *(volatile unsigned short *)FB; - u2 = *(volatile unsigned short *)FB; - u1 ^= u2; - if (!(u1 & 0x0040)) - break; - else { - reset_flash(); - return FLASH_FAIL; - } - } - } - return FLASH_SUCCESS; -} - -void reset_flash(void) -{ - write_flash(WRITESEQ1, RESET_VAL); - /* Wait for 10 micro seconds */ - udelay(10); -} - -int erase_flash(void) -{ - write_flash(WRITESEQ1, WRITEDATA1); - write_flash(WRITESEQ2, WRITEDATA2); - write_flash(WRITESEQ3, WRITEDATA3); - write_flash(WRITESEQ4, WRITEDATA4); - write_flash(WRITESEQ5, WRITEDATA5); - write_flash(WRITESEQ6, WRITEDATA6); - - if (poll_toggle_bit(0x0000) < 0) - return FLASH_FAIL; - - return FLASH_SUCCESS; -} - -int erase_block_flash(int nBlock) -{ - long ulSectorOff = 0x0; - - if ((nBlock < 0) || (nBlock > AFP_NumSectors)) - return FALSE; - - /* figure out the offset of the block in flash */ - if ((nBlock >= 0) && (nBlock < SecFlashABegin)) - ulSectorOff = nBlock * AFP_SectorSize1; - - else if ((nBlock >= SecFlashABegin) && (nBlock < NUM_SECTORS)) - ulSectorOff = - SecFlashAOff + (nBlock - SecFlashABegin) * AFP_SectorSize2; - /* no such sector */ - else - return FLASH_FAIL; - - write_flash((WRITESEQ1 | ulSectorOff), WRITEDATA1); - write_flash((WRITESEQ2 | ulSectorOff), WRITEDATA2); - write_flash((WRITESEQ3 | ulSectorOff), WRITEDATA3); - write_flash((WRITESEQ4 | ulSectorOff), WRITEDATA4); - write_flash((WRITESEQ5 | ulSectorOff), WRITEDATA5); - - write_flash(ulSectorOff, BlockEraseVal); - - if (poll_toggle_bit(ulSectorOff) < 0) - return FLASH_FAIL; - printf("."); - - return FLASH_SUCCESS; -} - -void unlock_flash(long ulOffset) -{ - unsigned long ulOffsetAddr = ulOffset; - ulOffsetAddr &= 0xFFFF0000; - - write_flash((WRITESEQ1 | ulOffsetAddr), UNLOCKDATA1); - write_flash((WRITESEQ2 | ulOffsetAddr), UNLOCKDATA2); - write_flash((WRITESEQ3 | ulOffsetAddr), UNLOCKDATA3); -} - -int get_codes() -{ - int dev_id = 0; - - write_flash(WRITESEQ1, GETCODEDATA1); - write_flash(WRITESEQ2, GETCODEDATA2); - write_flash(WRITESEQ3, GETCODEDATA3); - - read_flash(0x0402, &dev_id); - dev_id &= 0x0000FFFF; - - reset_flash(); - - return dev_id; -} - -void get_sector_number(long ulOffset, int *pnSector) -{ - int nSector = 0; - long lMainEnd = 0x400000; - long lBootEnd = 0x10000; - - /* sector numbers for the FLASH A boot sectors */ - if (ulOffset < lBootEnd) { - nSector = (int)ulOffset / AFP_SectorSize1; - } - /* sector numbers for the FLASH B boot sectors */ - else if ((ulOffset >= lBootEnd) && (ulOffset < lMainEnd)) { - nSector = ((ulOffset / (AFP_SectorSize2)) + 7); - } - /* if it is a valid sector, set it */ - if ((nSector >= 0) && (nSector < AFP_NumSectors)) - *pnSector = nSector; - -} diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h index 0679f43ea1..0e189d4324 100644 --- a/include/configs/bf537-stamp.h +++ b/include/configs/bf537-stamp.h @@ -286,6 +286,11 @@ #define CFG_SDRAM_BASE 0x00000000 #define CFG_FLASH_BASE 0x20000000 +#define CFG_FLASH_CFI /* The flash is CFI compatible */ +#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ +#define CFG_FLASH_PROTECTION +#define CFG_MAX_FLASH_BANKS 1 +#define CFG_MAX_FLASH_SECT 71 /* some have 67 sectors (M29W320DB), but newer have 71 (M29W320EB) */ #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MONITOR_BASE (CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN) @@ -295,10 +300,6 @@ #define CFG_GBL_DATA_ADDR (CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE) #define CONFIG_STACKBASE (CFG_GBL_DATA_ADDR - 4) -#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ -#define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ - #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) || (BFIN_BOOT_MODE == BF537_UART_BOOT) /* for bf537-stamp, usrt boot mode still store env in flash */ #define CFG_ENV_IS_IN_FLASH 1 |