diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 9a44109..2ca73f9 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -2183,6 +2183,27 @@ ulong flash_get_size (phys_addr_t base, int banknum) FLASH_OFFSET_PROTECT, FLASH_STATUS_PROTECT); break; + case CFI_CMDSET_AMD_EXTENDED: + case CFI_CMDSET_AMD_STANDARD: + if (!manufact_match(info, AMD_MANUFACT)) { + /* default: not protected */ + info->protect[sect_cnt] = 0; + break; + } + + /* Read protection (PPB) from sector */ + flash_write_cmd(info, 0, 0, + info->cmd_reset); + flash_unlock_seq(info, 0); + flash_write_cmd(info, 0, + info->addr_unlock1, + FLASH_CMD_READ_ID); + info->protect[sect_cnt] = + flash_isset( + info, sect_cnt, + FLASH_OFFSET_PROTECT, + FLASH_STATUS_PROTECT); + break; default: /* default: not protected */ info->protect[sect_cnt] = 0; |