diff options
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index b1110a138e..aa76f6ce48 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -1202,8 +1202,9 @@ void flash_print_info (flash_info_t * info) info->manufacturer_id); printf (info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X", info->device_id); - if (info->device_id == 0x7E) { - printf("%04X", info->device_id2); + if ((info->device_id & 0xff) == 0x7E) { + printf(info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X", + info->device_id2); } printf ("\n Erase timeout: %ld ms, write timeout: %ld ms\n", info->erase_blk_tout, @@ -1599,6 +1600,14 @@ static void cmdset_amd_read_jedec_ids(flash_info_t *info) case FLASH_CFI_16BIT: info->device_id = flash_read_word (info, FLASH_OFFSET_DEVICE_ID); + if ((info->device_id & 0xff) == 0x7E) { + /* AMD 3-byte (expanded) device ids */ + info->device_id2 = flash_read_uchar (info, + FLASH_OFFSET_DEVICE_ID2); + info->device_id2 <<= 8; + info->device_id2 |= flash_read_uchar (info, + FLASH_OFFSET_DEVICE_ID3); + } break; default: break; |