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mtd: cfi_probe: add support for SST 0x0701 vendorname

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SST 39VF160x and 39VF320x chips use vendorname id 0x0701 and alternative
unlock addresses. Add support for them in cfi_probe.c.

Signed-off-by: Guillaume LECERF <glecerf@gmail.com>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Guillaume LECERF 2010-04-24 17:58:02 +02:00 committed by David Woodhouse
parent ad7026fef6
commit 54b93a49d8
2 changed files with 9 additions and 0 deletions
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8
drivers/mtd/chips/cfi_probe.c
View file

@ -206,6 +206,11 @@ static int __xipram cfi_chip_setup(struct map_info *map,
#endif
}
if (cfi->cfiq->P_ID == P_ID_SST_OLD) {
addr_unlock1 = 0x5555;
addr_unlock2 = 0x2AAA;
}
/*
* Note we put the device back into Read Mode BEFORE going into Auto
* Select Mode, as some devices support nesting of modes, others
@ -271,6 +276,9 @@ static char *vendorname(__u16 vendor)
case P_ID_SST_PAGE:
return "SST Page Write";
case P_ID_SST_OLD:
return "SST 39VF160x/39VF320x";
case P_ID_INTEL_PERFORMANCE:
return "Intel Performance Code";

1
include/linux/mtd/cfi.h
View file

@ -253,6 +253,7 @@ struct cfi_bri_query {
#define P_ID_MITSUBISHI_STD 0x0100
#define P_ID_MITSUBISHI_EXT 0x0101
#define P_ID_SST_PAGE 0x0102
#define P_ID_SST_OLD 0x0701
#define P_ID_INTEL_PERFORMANCE 0x0200
#define P_ID_INTEL_DATA 0x0210
#define P_ID_RESERVED 0xffff