mtd: cfi_util: add support for switching SST 39VF640xB chips into QRY mode
Signed-off-by: Guillaume LECERF <glecerf@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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b5d194ceae
Коммит
fc61015f72
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@ -75,6 +75,13 @@ int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map,
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cfi_send_gen_cmd(0xAA, 0x5555, base, map, cfi, cfi->device_type, NULL);
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cfi_send_gen_cmd(0x55, 0x2AAA, base, map, cfi, cfi->device_type, NULL);
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cfi_send_gen_cmd(0x98, 0x5555, base, map, cfi, cfi->device_type, NULL);
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if (cfi_qry_present(map, base, cfi))
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return 1;
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/* SST 39VF640xB */
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cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
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cfi_send_gen_cmd(0xAA, 0x555, base, map, cfi, cfi->device_type, NULL);
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cfi_send_gen_cmd(0x55, 0x2AA, base, map, cfi, cfi->device_type, NULL);
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cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL);
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if (cfi_qry_present(map, base, cfi))
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return 1;
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/* QRY not found */
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