From: TsiChung Liew Date: Tue, 19 Aug 2008 16:53:39 +0000 (+0000) Subject: CFI: Fix AMD Legacy sector protect X-Git-Tag: v2008.10-rc1~151^2~1 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4e00acded2e6a8d663e12690a0f0f08f5bec5a58;p=oweals%2Fu-boot.git CFI: Fix AMD Legacy sector protect 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 Signed-off-by: Stefan Roese --- diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 58295fe048..a41293871e 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 =