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| author | Darius Augulis <augulis.darius@gmail.com> | 2009-03-25 11:23:51 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-04-06 07:23:26 -0700 |
| commit | 504a3e72208fc6a65924426ff5693982590bccdc (patch) | |
| tree | 5d827a04e872a510ebea235a638f9e98c0b6d1ed /drivers/mtd/chips | |
| parent | d8877f191e35718ba11a4d46950131e74c40566c (diff) | |
| download | op-kernel-dev-504a3e72208fc6a65924426ff5693982590bccdc.zip op-kernel-dev-504a3e72208fc6a65924426ff5693982590bccdc.tar.gz | |
[MTD] [NOR] Fixup for Numonyx M29W128 chips
Prevent NUMONYX M29W128G memories from using write buffer,
because it doesn't work properly.
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/chips')
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 94bb61e..61ea833 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -282,6 +282,16 @@ static void fixup_s29gl032n_sectors(struct mtd_info *mtd, void *param) } } +static void fixup_M29W128G_write_buffer(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + if (cfi->cfiq->BufWriteTimeoutTyp) { + pr_warning("Don't use write buffer on ST flash M29W128G\n"); + cfi->cfiq->BufWriteTimeoutTyp = 0; + } +} + static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, #ifdef AMD_BOOTLOC_BUG @@ -298,6 +308,7 @@ static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_AMD, 0x1301, fixup_s29gl064n_sectors, NULL, }, { CFI_MFR_AMD, 0x1a00, fixup_s29gl032n_sectors, NULL, }, { CFI_MFR_AMD, 0x1a01, fixup_s29gl032n_sectors, NULL, }, + { CFI_MFR_ST, 0x227E, fixup_M29W128G_write_buffer, NULL, }, #if !FORCE_WORD_WRITE { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, #endif |
