[PATCH v2 7/7] mtd: cfi_cmdset_0002: add CFI detection for SST 39VF{32, 64}xxB chips
Guillaume LECERF
glecerf at gmail.com
Tue Mar 30 09:35:18 EDT 2010
This patch adds support for detecting SST 39VF32xxB and 39VF64xxB
chips in CFI mode.
Signed-off-by: Guillaume LECERF <glecerf at gmail.com>
---
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 }
};
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