diff options
Diffstat (limited to 'drivers/mtd/cfi_flash.c')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 2ca73f9623..048a7a749a 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -1511,7 +1511,7 @@ int flash_real_protect (flash_info_t * info, long sector, int prot) 0, ATM_CMD_UNLOCK_SECT); } } - if (manufact_match(info, AMD_MANUFACT)) { + if (info->legacy_unlock) { int flag = disable_interrupts(); int lock_flag; @@ -1742,12 +1742,9 @@ static int cmdset_amd_init(flash_info_t *info, struct cfi_qry *qry) flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI); #ifdef CONFIG_SYS_FLASH_PROTECTION - if (info->ext_addr && manufact_match(info, AMD_MANUFACT)) { - ushort spus; - - /* read sector protect/unprotect scheme */ - spus = flash_read_uchar(info, info->ext_addr + 9); - if (spus == 0x8) + if (info->ext_addr) { + /* read sector protect/unprotect scheme (at 0x49) */ + if (flash_read_uchar(info, info->ext_addr + 9) == 0x8) info->legacy_unlock = 1; } #endif @@ -2185,7 +2182,7 @@ ulong flash_get_size (phys_addr_t base, int banknum) break; case CFI_CMDSET_AMD_EXTENDED: case CFI_CMDSET_AMD_STANDARD: - if (!manufact_match(info, AMD_MANUFACT)) { + if (!info->legacy_unlock) { /* default: not protected */ info->protect[sect_cnt] = 0; break; |