From patchwork Tue Mar 30 13:35:18 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v2, 7/7] mtd: cfi_cmdset_0002: add CFI detection for SST 39VF{32, 64}xxB chips Date: Tue, 30 Mar 2010 03:35:18 -0000 From: Guillaume LECERF X-Patchwork-Id: 48963 Message-Id: <20100330133518.20107.66942.stgit@shiryu.yomgui.biz> To: linux-mtd Cc: David Woodhouse , Artem Bityutskiy This patch adds support for detecting SST 39VF32xxB and 39VF64xxB chips in CFI mode. Signed-off-by: Guillaume LECERF --- drivers/mtd/chips/cfi_cmdset_0002.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index e3e4a94..b7846ba 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -286,6 +286,17 @@ 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; @@ -315,6 +326,10 @@ 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 } };