From: TsiChung Liew <
Tsi-Chung.Liew@...>
New implement sector lock and unlock or softlock commands
do not exist in AMD legacy flash. Thus, causing issue
when erasing AMD legacy flash (such as lv040)
Signed-off-by: TsiChung Liew <
Tsi-Chung.Liew@...>
---
drivers/mtd/cfi_flash.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 58295fe..a412938 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -1369,9 +1369,6 @@ int flash_real_protect (flash_info_t * info, long sector, int prot)
break;
case CFI_CMDSET_AMD_EXTENDED:
case CFI_CMDSET_AMD_STANDARD:
-#ifdef CONFIG_FLASH_CFI_LEGACY
- case CFI_CMDSET_AMD_LEGACY:
-#endif
/* U-Boot only checks the first byte */
if (info->manufacturer_id == (uchar)ATM_MANUFACT) {
if (prot) {
@@ -1392,6 +1389,15 @@ int flash_real_protect (flash_info_t * info, long sector, int prot)
}
}
break;
+#ifdef CONFIG_FLASH_CFI_LEGACY
+ case CFI_CMDSET_AMD_LEGACY:
+ flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT);
+ if (prot)
+ flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_SET);
+ else
+ flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
+#endif
};
if ((retcode =
--
1.5.6.3
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