From 5a0563f0ad0c9864b735e9ae23e55f7fa9c73bf5 Mon Sep 17 00:00:00 2001 From: Guillaume LECERF Date: Sat, 24 Apr 2010 17:58:27 +0200 Subject: mtd: cfi_cmdset_0002: add CFI detection for SST 39VF{32, 64}xxB chips This patch adds support for detecting SST 39VF32xxB and 39VF64xxB chips in CFI mode. Signed-off-by: Guillaume LECERF Reviewed-by: Wolfram Sang Signed-off-by: David Woodhouse --- drivers/mtd/chips/cfi_cmdset_0002.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'drivers/mtd') diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index b7d821d..0e21b09 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -283,6 +283,17 @@ static void fixup_sst39vf(struct mtd_info *mtd, void *param) cfi->addr_unlock2 = 0x2AAA; } +static void fixup_sst39vf_rev_b(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + + fixup_old_sst_eraseregion(mtd); + + cfi->addr_unlock1 = 0x555; + cfi->addr_unlock2 = 0x2AA; +} + static void fixup_s29gl064n_sectors(struct mtd_info *mtd, void *param) { struct map_info *map = mtd->priv; @@ -311,6 +322,10 @@ static struct cfi_fixup cfi_nopri_fixup_table[] = { { CFI_MFR_SST, 0x234B, fixup_sst39vf, NULL, }, // SST39VF1601 { CFI_MFR_SST, 0x235A, fixup_sst39vf, NULL, }, // SST39VF3202 { CFI_MFR_SST, 0x235B, fixup_sst39vf, NULL, }, // SST39VF3201 + { CFI_MFR_SST, 0x235C, fixup_sst39vf_rev_b, NULL, }, // SST39VF3202B + { CFI_MFR_SST, 0x235D, fixup_sst39vf_rev_b, NULL, }, // SST39VF3201B + { CFI_MFR_SST, 0x236C, fixup_sst39vf_rev_b, NULL, }, // SST39VF6402B + { CFI_MFR_SST, 0x236D, fixup_sst39vf_rev_b, NULL, }, // SST39VF6401B { 0, 0, NULL, NULL } }; -- cgit v1.1