diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 304 |
1 files changed, 189 insertions, 115 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index c3293d0..c73b74a 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -42,9 +42,12 @@ #ifdef CFG_FLASH_CFI_DRIVER /* - * This file implements a Common Flash Interface (CFI) driver for U-Boot. - * The width of the port and the width of the chips are determined at initialization. - * These widths are used to calculate the address for access CFI data structures. + * This file implements a Common Flash Interface (CFI) driver for + * U-Boot. + * + * The width of the port and the width of the chips are determined at + * initialization. These widths are used to calculate the address for + * access CFI data structures. * * References * JEDEC Standard JESD68 - Common Flash Interface (CFI) @@ -55,7 +58,7 @@ * AMD/Spansion Application Note: Migration from Single-byte to Three-byte * Device IDs, Publication Number 25538 Revision A, November 8, 2001 * - * define CFG_WRITE_SWAPPED_DATA, if you have to swap the Bytes between + * Define CFG_WRITE_SWAPPED_DATA, if you have to swap the Bytes between * reading and writing ... (yes there is such a Hardware). */ @@ -106,7 +109,8 @@ #define FLASH_OFFSET_CFI_ALT 0x555 #define FLASH_OFFSET_CFI_RESP 0x10 #define FLASH_OFFSET_PRIMARY_VENDOR 0x13 -#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x15 /* extended query table primary addr */ +/* extended query table primary address */ +#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x15 #define FLASH_OFFSET_WTOUT 0x1F #define FLASH_OFFSET_WBTOUT 0x20 #define FLASH_OFFSET_ETOUT 0x21 @@ -154,7 +158,7 @@ typedef union { #define NUM_ERASE_REGIONS 4 /* max. number of erase regions */ -static uint flash_offset_cfi[2]={FLASH_OFFSET_CFI,FLASH_OFFSET_CFI_ALT}; +static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT }; /* use CFG_MAX_FLASH_BANKS_DETECT if defined */ #ifdef CFG_MAX_FLASH_BANKS_DETECT @@ -181,14 +185,19 @@ typedef unsigned long flash_sect_t; static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c); static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf); -static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd); +static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd); static void flash_unlock_seq (flash_info_t * info, flash_sect_t sect); -static int flash_isequal (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd); -static int flash_isset (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd); -static int flash_toggle (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd); +static int flash_isequal (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd); +static int flash_isset (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd); +static int flash_toggle (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd); static void flash_read_jedec_ids (flash_info_t * info); static int flash_detect_cfi (flash_info_t * info); -static int flash_write_cfiword (flash_info_t * info, ulong dest, cfiword_t cword); +static int flash_write_cfiword (flash_info_t * info, ulong dest, + cfiword_t cword); static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, ulong tout, char *prompt); ulong flash_get_size (ulong base, int banknum); @@ -196,13 +205,15 @@ ulong flash_get_size (ulong base, int banknum); static flash_info_t *flash_get_info(ulong base); #endif #ifdef CFG_FLASH_USE_BUFFER_WRITE -static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, int len); +static int flash_write_cfibuffer (flash_info_t * info, ulong dest, + uchar * cp, int len); #endif /*----------------------------------------------------------------------- * create an address based on the offset and the port width */ -inline uchar *flash_make_addr (flash_info_t * info, flash_sect_t sect, uint offset) +inline uchar * +flash_make_addr (flash_info_t * info, flash_sect_t sect, uint offset) { return ((uchar *) (info->start[sect] + (offset * info->portwidth))); } @@ -316,7 +327,8 @@ ulong flash_read_long (flash_info_t * info, flash_sect_t sect, uint offset) #endif #if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA) retval = (addr[0] << 16) | (addr[(info->portwidth)] << 24) | - (addr[(2 * info->portwidth)]) | (addr[(3 * info->portwidth)] << 8); + (addr[(2 * info->portwidth)]) | + (addr[(3 * info->portwidth)] << 8); #else retval = (addr[(2 * info->portwidth) - 1] << 24) | (addr[(info->portwidth) - 1] << 16) | @@ -336,17 +348,22 @@ ulong flash_read_long (flash_info_t * info, flash_sect_t sect, uint offset) int flash_detect_legacy(ulong base, int banknum) { flash_info_t *info = &flash_info[banknum]; + if (board_flash_get_legacy(base, banknum, info)) { /* board code may have filled info completely. If not, we use JEDEC ID probing. */ if (!info->vendor) { - int modes[] = { CFI_CMDSET_AMD_STANDARD, CFI_CMDSET_INTEL_STANDARD }; + int modes[] = { + CFI_CMDSET_AMD_STANDARD, + CFI_CMDSET_INTEL_STANDARD + }; int i; - for(i=0; i<sizeof(modes)/sizeof(modes[0]); i++) { + for (i = 0; i < sizeof(modes) / sizeof(modes[0]); i++) { info->vendor = modes[i]; info->start[0] = base; - if (info->portwidth == FLASH_CFI_8BIT && info->interface == FLASH_CFI_X8X16) { + if (info->portwidth == FLASH_CFI_8BIT + && info->interface == FLASH_CFI_X8X16) { info->addr_unlock1 = 0x2AAA; info->addr_unlock2 = 0x5555; } else { @@ -354,11 +371,15 @@ int flash_detect_legacy(ulong base, int banknum) info->addr_unlock2 = 0x2AAA; } flash_read_jedec_ids(info); - debug("JEDEC PROBE: ID %x %x %x\n", info->manufacturer_id, info->device_id, info->device_id2); + debug("JEDEC PROBE: ID %x %x %x\n", + info->manufacturer_id, + info->device_id, + info->device_id2); if (jedec_flash_match(info, base)) break; } } + switch(info->vendor) { case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: @@ -403,38 +424,45 @@ unsigned long flash_init (void) size += flash_info[i].size; if (flash_info[i].flash_id == FLASH_UNKNOWN) { #ifndef CFG_FLASH_QUIET_TEST - printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", - i+1, flash_info[i].size, flash_info[i].size << 20); + printf ("## Unknown FLASH on Bank %d " + "- Size = 0x%08lx = %ld MB\n", + i+1, flash_info[i].size, + flash_info[i].size << 20); #endif /* CFG_FLASH_QUIET_TEST */ } #ifdef CFG_FLASH_PROTECTION else if ((s != NULL) && (strcmp(s, "yes") == 0)) { /* - * Only the U-Boot image and it's environment is protected, - * all other sectors are unprotected (unlocked) if flash - * hardware protection is used (CFG_FLASH_PROTECTION) and - * the environment variable "unlock" is set to "yes". + * Only the U-Boot image and it's environment + * is protected, all other sectors are + * unprotected (unlocked) if flash hardware + * protection is used (CFG_FLASH_PROTECTION) + * and the environment variable "unlock" is + * set to "yes". */ if (flash_info[i].legacy_unlock) { int k; /* - * Disable legacy_unlock temporarily, since - * flash_real_protect would relock all other sectors - * again otherwise. + * Disable legacy_unlock temporarily, + * since flash_real_protect would + * relock all other sectors again + * otherwise. */ flash_info[i].legacy_unlock = 0; /* - * Legacy unlocking (e.g. Intel J3) -> unlock only one - * sector. This will unlock all sectors. + * Legacy unlocking (e.g. Intel J3) -> + * unlock only one sector. This will + * unlock all sectors. */ flash_real_protect (&flash_info[i], 0, 0); flash_info[i].legacy_unlock = 1; /* - * Manually mark other sectors as unlocked (unprotected) + * Manually mark other sectors as + * unlocked (unprotected) */ for (k = 1; k < flash_info[i].sector_count; k++) flash_info[i].protect[k] = 0; @@ -444,7 +472,8 @@ unsigned long flash_init (void) */ flash_protect (FLAG_PROTECT_CLEAR, flash_info[i].start[0], - flash_info[i].start[0] + flash_info[i].size - 1, + flash_info[i].start[0] + + flash_info[i].size - 1, &flash_info[i]); } } @@ -485,7 +514,7 @@ static flash_info_t *flash_get_info(ulong base) int i; flash_info_t * info = 0; - for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) { + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { info = & flash_info[i]; if (info->size && info->start[0] <= base && base <= info->start[0] + info->size - 1) @@ -520,7 +549,8 @@ int flash_erase (flash_info_t * info, int s_first, int s_last) } } if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", prot); + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); } else { putc ('\n'); } @@ -531,23 +561,31 @@ int flash_erase (flash_info_t * info, int s_first, int s_last) switch (info->vendor) { case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: - flash_write_cmd (info, sect, 0, FLASH_CMD_CLEAR_STATUS); - flash_write_cmd (info, sect, 0, FLASH_CMD_BLOCK_ERASE); - flash_write_cmd (info, sect, 0, FLASH_CMD_ERASE_CONFIRM); + flash_write_cmd (info, sect, 0, + FLASH_CMD_CLEAR_STATUS); + flash_write_cmd (info, sect, 0, + FLASH_CMD_BLOCK_ERASE); + flash_write_cmd (info, sect, 0, + FLASH_CMD_ERASE_CONFIRM); break; case CFI_CMDSET_AMD_STANDARD: case CFI_CMDSET_AMD_EXTENDED: flash_unlock_seq (info, sect); - flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_ERASE_START); + flash_write_cmd (info, sect, + info->addr_unlock1, + AMD_CMD_ERASE_START); flash_unlock_seq (info, sect); - flash_write_cmd (info, sect, 0, AMD_CMD_ERASE_SECTOR); + flash_write_cmd (info, sect, 0, + AMD_CMD_ERASE_SECTOR); break; #ifdef CONFIG_FLASH_CFI_LEGACY case CFI_CMDSET_AMD_LEGACY: flash_unlock_seq (info, 0); - flash_write_cmd (info, 0, info->addr_unlock1, AMD_CMD_ERASE_START); + flash_write_cmd (info, 0, info->addr_unlock1, + AMD_CMD_ERASE_START); flash_unlock_seq (info, 0); - flash_write_cmd (info, sect, 0, AMD_CMD_ERASE_SECTOR); + flash_write_cmd (info, sect, 0, + AMD_CMD_ERASE_SECTOR); break; #endif default: @@ -585,8 +623,8 @@ void flash_print_info (flash_info_t * info) printf (" Size: %ld kB in %d Sectors\n", info->size >> 10, info->sector_count); else - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); printf (" "); switch (info->vendor) { case CFI_CMDSET_INTEL_STANDARD: @@ -619,7 +657,8 @@ void flash_print_info (flash_info_t * info) info->erase_blk_tout, info->write_tout); if (info->buffer_size > 1) { - printf (" Buffer write timeout: %ld ms, buffer size: %d bytes\n", + printf (" Buffer write timeout: %ld ms, " + "buffer size: %d bytes\n", info->buffer_write_tout, info->buffer_size); } @@ -836,7 +875,9 @@ void flash_read_factory_serial (flash_info_t * info, void *buffer, int offset, /* * flash_is_busy - check to see if the flash is busy - * This routine checks the status of the chip and returns true if the chip is busy + * + * This routine checks the status of the chip and returns true if the + * chip is busy. */ static int flash_is_busy (flash_info_t * info, flash_sect_t sect) { @@ -890,7 +931,9 @@ static int flash_status_check (flash_info_t * info, flash_sect_t sector, } /*----------------------------------------------------------------------- - * Wait for XSR.7 to be set, if it times out print an error, otherwise do a full status check. + * Wait for XSR.7 to be set, if it times out print an error, otherwise + * do a full status check. + * * This routine sets the flash to read-array mode. */ static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, @@ -907,12 +950,15 @@ static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, retcode = ERR_INVAL; printf ("Flash %s error at address %lx\n", prompt, info->start[sector]); - if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS | FLASH_STATUS_PSLBS)) { + if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS | + FLASH_STATUS_PSLBS)) { puts ("Command Sequence Error.\n"); - } else if (flash_isset (info, sector, 0, FLASH_STATUS_ECLBS)) { + } else if (flash_isset (info, sector, 0, + FLASH_STATUS_ECLBS)) { puts ("Block Erase Error.\n"); retcode = ERR_NOT_ERASED; - } else if (flash_isset (info, sector, 0, FLASH_STATUS_PSLBS)) { + } else if (flash_isset (info, sector, 0, + FLASH_STATUS_PSLBS)) { puts ("Locking Error\n"); } if (flash_isset (info, sector, 0, FLASH_STATUS_DPS)) { @@ -994,7 +1040,8 @@ static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf) /* * Write a proper sized command to the correct address */ -static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd) +static void flash_write_cmd (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd) { volatile cfiptr_t addr; @@ -1048,7 +1095,8 @@ static void flash_unlock_seq (flash_info_t * info, flash_sect_t sect) /*----------------------------------------------------------------------- */ -static int flash_isequal (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd) +static int flash_isequal (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd) { cfiptr_t cptr; cfiword_t cword; @@ -1093,7 +1141,8 @@ static int flash_isequal (flash_info_t * info, flash_sect_t sect, uint offset, u /*----------------------------------------------------------------------- */ -static int flash_isset (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd) +static int flash_isset (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd) { cfiptr_t cptr; cfiword_t cword; @@ -1123,7 +1172,8 @@ static int flash_isset (flash_info_t * info, flash_sect_t sect, uint offset, uch /*----------------------------------------------------------------------- */ -static int flash_toggle (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd) +static int flash_toggle (flash_info_t * info, flash_sect_t sect, + uint offset, uchar cmd) { cfiptr_t cptr; cfiword_t cword; @@ -1204,58 +1254,69 @@ static void flash_read_jedec_ids (flash_info_t * info) /*----------------------------------------------------------------------- * detect if flash is compatible with the Common Flash Interface (CFI) * http://www.jedec.org/download/search/jesd68.pdf - * -*/ -static int flash_detect_cfi (flash_info_t * info) + */ +static int __flash_detect_cfi (flash_info_t * info) { int cfi_offset; + + flash_write_cmd (info, 0, 0, info->cmd_reset); + for (cfi_offset=0; + cfi_offset < sizeof(flash_offset_cfi) / sizeof(uint); + cfi_offset++) { + flash_write_cmd (info, 0, flash_offset_cfi[cfi_offset], + FLASH_CMD_CFI); + if (flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP, 'Q') + && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') + && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { + info->interface = flash_read_ushort (info, 0, + FLASH_OFFSET_INTERFACE); + info->cfi_offset = flash_offset_cfi[cfi_offset]; + debug ("device interface is %d\n", + info->interface); + debug ("found port %d chip %d ", + info->portwidth, info->chipwidth); + debug ("port %d bits chip %d bits\n", + info->portwidth << CFI_FLASH_SHIFT_WIDTH, + info->chipwidth << CFI_FLASH_SHIFT_WIDTH); + + /* calculate command offsets as in the Linux driver */ + info->addr_unlock1 = 0x555; + info->addr_unlock2 = 0x2aa; + + /* + * modify the unlock address if we are + * in compatibility mode + */ + if ( /* x8/x16 in x8 mode */ + ((info->chipwidth == FLASH_CFI_BY8) && + (info->interface == FLASH_CFI_X8X16)) || + /* x16/x32 in x16 mode */ + ((info->chipwidth == FLASH_CFI_BY16) && + (info->interface == FLASH_CFI_X16X32))) + { + info->addr_unlock1 = 0xaaa; + info->addr_unlock2 = 0x555; + } + + info->name = "CFI conformant"; + return 1; + } + } + + return 0; +} + +static int flash_detect_cfi (flash_info_t * info) +{ debug ("flash detect cfi\n"); for (info->portwidth = CFG_FLASH_CFI_WIDTH; info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) { for (info->chipwidth = FLASH_CFI_BY8; info->chipwidth <= info->portwidth; - info->chipwidth <<= 1) { - flash_write_cmd (info, 0, 0, info->cmd_reset); - for (cfi_offset=0; cfi_offset < sizeof(flash_offset_cfi)/sizeof(uint); cfi_offset++) { - flash_write_cmd (info, 0, flash_offset_cfi[cfi_offset], FLASH_CMD_CFI); - if (flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP, 'Q') - && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') - && flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { - info->interface = flash_read_ushort (info, 0, FLASH_OFFSET_INTERFACE); - info->cfi_offset=flash_offset_cfi[cfi_offset]; - debug ("device interface is %d\n", - info->interface); - debug ("found port %d chip %d ", - info->portwidth, info->chipwidth); - debug ("port %d bits chip %d bits\n", - info->portwidth << CFI_FLASH_SHIFT_WIDTH, - info->chipwidth << CFI_FLASH_SHIFT_WIDTH); - - /* calculate command offsets as in the Linux driver */ - info->addr_unlock1 = 0x555; - info->addr_unlock2 = 0x2aa; - - /* - * modify the unlock address if we are - * in compatibility mode - */ - if ( /* x8/x16 in x8 mode */ - ((info->chipwidth == FLASH_CFI_BY8) && - (info->interface == FLASH_CFI_X8X16)) || - /* x16/x32 in x16 mode */ - ((info->chipwidth == FLASH_CFI_BY16) && - (info->interface == FLASH_CFI_X16X32))) - { - info->addr_unlock1 = 0xaaa; - info->addr_unlock2 = 0x555; - } - - info->name = "CFI conformant"; - return 1; - } - } - } + info->chipwidth <<= 1) + if (__flash_detect_cfi(info)) + return 1; } debug ("not found\n"); return 0; @@ -1386,7 +1447,8 @@ ulong flash_get_size (ulong base, int banknum) sector += (erase_region_size * size_ratio); /* - * Only read protection status from supported devices (intel...) + * Only read protection status from + * supported devices (intel...) */ switch (info->vendor) { case CFI_CMDSET_INTEL_EXTENDED: @@ -1397,7 +1459,8 @@ ulong flash_get_size (ulong base, int banknum) FLASH_STATUS_PROTECT); break; default: - info->protect[sect_cnt] = 0; /* default: not protected */ + /* default: not protected */ + info->protect[sect_cnt] = 0; } sect_cnt++; @@ -1405,20 +1468,28 @@ ulong flash_get_size (ulong base, int banknum) } info->sector_count = sect_cnt; + info->size = 1 << flash_read_uchar (info, FLASH_OFFSET_SIZE); /* multiply the size by the number of chips */ - info->size = (1 << flash_read_uchar (info, FLASH_OFFSET_SIZE)) * size_ratio; - info->buffer_size = (1 << flash_read_ushort (info, 0, FLASH_OFFSET_BUFFER_SIZE)); + info->size *= size_ratio; + info->buffer_size = 1 << flash_read_ushort (info, 0, + FLASH_OFFSET_BUFFER_SIZE); tmp = 1 << flash_read_uchar (info, FLASH_OFFSET_ETOUT); - info->erase_blk_tout = (tmp * (1 << flash_read_uchar (info, FLASH_OFFSET_EMAX_TOUT))); + info->erase_blk_tout = tmp * + (1 << flash_read_uchar ( + info, FLASH_OFFSET_EMAX_TOUT)); tmp = (1 << flash_read_uchar (info, FLASH_OFFSET_WBTOUT)) * (1 << flash_read_uchar (info, FLASH_OFFSET_WBMAX_TOUT)); - info->buffer_write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); /* round up when converting to ms */ + /* round up when converting to ms */ + info->buffer_write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); tmp = (1 << flash_read_uchar (info, FLASH_OFFSET_WTOUT)) * (1 << flash_read_uchar (info, FLASH_OFFSET_WMAX_TOUT)); - info->write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); /* round up when converting to ms */ + /* round up when converting to ms */ + info->write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); info->flash_id = FLASH_MAN_CFI; - if ((info->interface == FLASH_CFI_X8X16) && (info->chipwidth == FLASH_CFI_BY8)) { - info->portwidth >>= 1; /* XXX - Need to test on x8/x16 in parallel. */ + if ((info->interface == FLASH_CFI_X8X16) && + (info->chipwidth == FLASH_CFI_BY8)) { + /* XXX - Need to test on x8/x16 in parallel. */ + info->portwidth >>= 1; } } @@ -1426,9 +1497,8 @@ ulong flash_get_size (ulong base, int banknum) return (info->size); } -/* loop through the sectors from the highest address - * when the passed address is greater or equal to the sector address - * we have a match +/* loop through the sectors from the highest address when the passed + * address is greater or equal to the sector address we have a match */ static flash_sect_t find_sector (flash_info_t * info, ulong addr) { @@ -1534,9 +1604,12 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, sector = find_sector (info, dest); flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS); flash_write_cmd (info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER); - if ((retcode = flash_status_check (info, sector, info->buffer_write_tout, - "write to buffer")) == ERR_OK) { - /* reduce the number of loops by the width of the port */ + retcode = flash_status_check (info, sector, + info->buffer_write_tout, + "write to buffer"); + if (retcode == ERR_OK) { + /* reduce the number of loops by the width of + * the port */ switch (info->portwidth) { case FLASH_CFI_8BIT: cnt = len; @@ -1576,9 +1649,9 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, } flash_write_cmd (info, sector, 0, FLASH_CMD_WRITE_BUFFER_CONFIRM); - retcode = flash_full_status_check (info, sector, - info->buffer_write_tout, - "buffer write"); + retcode = flash_full_status_check ( + info, sector, info->buffer_write_tout, + "buffer write"); } return retcode; @@ -1617,7 +1690,8 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, } flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM); - retcode = flash_full_status_check (info, sector, info->buffer_write_tout, + retcode = flash_full_status_check (info, sector, + info->buffer_write_tout, "buffer write"); return retcode; |