diff options
| author | TsiChung Liew <[email protected]> | 2008-08-19 16:53:39 +0000 |
|---|---|---|
| committer | Stefan Roese <[email protected]> | 2008-08-20 14:21:46 +0200 |
| commit | 4e00acded2e6a8d663e12690a0f0f08f5bec5a58 (patch) | |
| tree | cfdfca31c7c5178367198241220678d906df97e5 /drivers/mtd | |
| parent | fcd69a1a57fb2af4d26201422095a4be9f36963e (diff) | |
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 <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | 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 58295fe0487..a41293871e2 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 = |