diff -puN drivers/mtd/chips/jedec_probe.c~mtd-jedec_probe-fix-nec-upd29f064115-detection drivers/mtd/chips/jedec_probe.c
--- a/drivers/mtd/chips/jedec_probe.c~mtd-jedec_probe-fix-nec-upd29f064115-detection
+++ a/drivers/mtd/chips/jedec_probe.c
@@ -1156,8 +1156,8 @@ static const struct amd_flash_info jedec
 		.mfr_id		= MANUFACTURER_NEC,
 		.dev_id		= UPD29F064115,
 		.name		= "NEC uPD29F064115",
-		.devtypes	= CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8,
-		.uaddr		= MTD_UADDR_0x0555_0x02AA,	/* ???? */
+		.devtypes	= CFI_DEVICETYPE_X16,
+		.uaddr		= MTD_UADDR_0xAAAA_0x5555,
 		.dev_size	= SIZE_8MiB,
 		.cmd_set	= P_ID_AMD_STD,
 		.nr_regions	= 3,