diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 90cb966..a2d88ea 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -76,7 +76,9 @@ #define FLASH_CMD_PROTECT_SET 0x01 #define FLASH_CMD_PROTECT_CLEAR 0xD0 #define FLASH_CMD_CLEAR_STATUS 0x50 +#define FLASH_CMD_READ_STATUS 0x70 #define FLASH_CMD_WRITE_TO_BUFFER 0xE8 +#define FLASH_CMD_WRITE_BUFFER_PROG 0xE9 #define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0 #define FLASH_STATUS_DONE 0x80 @@ -136,6 +138,7 @@ #define CFI_CMDSET_MITSU_STANDARD 256 #define CFI_CMDSET_MITSU_EXTENDED 257 #define CFI_CMDSET_SST 258 +#define CFI_CMDSET_INTEL_PROG_REGIONS 512 #ifdef CFG_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */ # undef FLASH_CMD_RESET @@ -613,6 +616,7 @@ static int flash_is_busy (flash_info_t * info, flash_sect_t sect) int retval; switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: retval = !flash_isset (info, sect, 0, FLASH_STATUS_DONE); @@ -672,6 +676,7 @@ static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, retcode = flash_status_check (info, sector, tout, prompt); switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_EXTENDED: case CFI_CMDSET_INTEL_STANDARD: if ((retcode == ERR_OK) @@ -800,6 +805,7 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest, flag = disable_interrupts (); switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_EXTENDED: case CFI_CMDSET_INTEL_STANDARD: flash_write_cmd (info, 0, 0, FLASH_CMD_CLEAR_STATUS); @@ -854,6 +860,7 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, int flag = 0; uint offset = 0; unsigned int shift; + uchar write_cmd; switch (info->portwidth) { case FLASH_CFI_8BIT: @@ -908,10 +915,14 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, sector = find_sector (info, dest); switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: + write_cmd = (info->vendor == CFI_CMDSET_INTEL_PROG_REGIONS) ? + FLASH_CMD_WRITE_BUFFER_PROG : FLASH_CMD_WRITE_TO_BUFFER; flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS); - flash_write_cmd (info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER); + flash_write_cmd (info, sector, 0, FLASH_CMD_READ_STATUS); + flash_write_cmd (info, sector, 0, write_cmd); retcode = flash_status_check (info, sector, info->buffer_write_tout, "write to buffer"); @@ -961,7 +972,7 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, #endif flash_write_cmd(info, sector, offset, AMD_CMD_WRITE_TO_BUFFER); cnt = len >> shift; - flash_write_cmd(info, sector, offset, cnt - 1); + flash_write_cmd(info, sector, offset, (uchar)cnt - 1); switch (info->portwidth) { case FLASH_CFI_8BIT: @@ -1046,6 +1057,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last) for (sect = s_first; sect <= s_last; sect++) { if (info->protect[sect] == 0) { /* not protected */ switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: flash_write_cmd (info, sect, 0, @@ -1114,6 +1126,9 @@ void flash_print_info (flash_info_t * info) info->size >> 20, info->sector_count); printf (" "); switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: + printf ("Intel Prog Regions"); + break; case CFI_CMDSET_INTEL_STANDARD: printf ("Intel Standard"); break; @@ -1504,6 +1519,7 @@ static void flash_read_jedec_ids (flash_info_t * info) info->device_id2 = 0; switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: cmdset_intel_read_jedec_ids(info); @@ -1558,6 +1574,7 @@ static int flash_detect_legacy(ulong base, int banknum) } switch(info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: info->cmd_reset = FLASH_CMD_RESET; @@ -1753,6 +1770,7 @@ ulong flash_get_size (ulong base, int banknum) #endif switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: cmdset_intel_init(info, &qry); @@ -1830,6 +1848,7 @@ ulong flash_get_size (ulong base, int banknum) * supported devices (intel...) */ switch (info->vendor) { + case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_EXTENDED: case CFI_CMDSET_INTEL_STANDARD: info->protect[sect_cnt] = |