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Commit 5a0563f0 authored by Guillaume LECERF's avatar Guillaume LECERF Committed by David Woodhouse
Browse files

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: default avatarGuillaume LECERF <glecerf@gmail.com>
Reviewed-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 83dcd3bb

drivers/mtd/chips/cfi_cmdset_0002.c

+15 −0
Original line number Diff line number Diff line
@@ -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 }

};