Messages in this thread Patch in this message | | | From | Antony Pavlov <> | Subject | [PATCH] mtd: cfi_cmdset_0002: fix sector erase command for AM29LV040B | Date | Fri, 11 Feb 2011 00:04:37 +0300 |
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The AM29LV040B chips use 0x50 as sector erase command instead of 0x30 [1].
[1] http://www.datasheetcatalog.com/datasheets_pdf/A/M/2/9/AM29LV040B.shtml
Signed-off-by: Antony Pavlov <antony@niisi.msk.ru> --- drivers/mtd/chips/cfi_cmdset_0002.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index f072fcf..a401dbe 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -332,6 +332,14 @@ static void fixup_s29gl032n_sectors(struct mtd_info *mtd) } } +static void fixup_use_sector_erase_cmd_30(struct mtd_info *mtd) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + + cfi->sector_erase_cmd = CMD(0x30); +} + /* Used to fix CFI-Tables of chips without Extended Query Tables */ static struct cfi_fixup cfi_nopri_fixup_table[] = { { CFI_MFR_SST, 0x234a, fixup_sst39vf }, /* SST39VF1602 */ @@ -374,6 +382,7 @@ static struct cfi_fixup jedec_fixup_table[] = { { CFI_MFR_SST, SST49LF004B, fixup_use_fwh_lock }, { CFI_MFR_SST, SST49LF040B, fixup_use_fwh_lock }, { CFI_MFR_SST, SST49LF008A, fixup_use_fwh_lock }, + { CFI_MFR_AMD, 0x004F, fixup_use_sector_erase_cmd_30 }, /* AM29LV040B */ { 0, 0, NULL } }; -- 1.7.1
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