cfi_flash: Enable PPB protection for all AMD cmdset flash chips

[karo-tx-uboot.git] / drivers / mtd / cfi_flash.c

diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 2ca73f9623d1ccd509a8c1ee9270a5f57862e345..048a7a749ab765cec48a7f902c2f5e09f28fede1 100644 (file)
--- 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;