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Commit 54b93a49 authored by Guillaume LECERF's avatar Guillaume LECERF Committed by David Woodhouse
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mtd: cfi_probe: add support for SST 0x0701 vendorname 



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

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 ad7026fe

drivers/mtd/chips/cfi_probe.c

+8 −0
Original line number Diff line number Diff line
@@ -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";

include/linux/mtd/cfi.h

+1 −0
Original line number Diff line number Diff line
@@ -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