[PATCH 1/2] mtd: spi-nor: add Manufacturer ID for Micron

Karl Zhang shuangshuo at gmail.com
Wed Dec 9 17:58:59 PST 2015


Micron Manufacturer ID assigned by JEDEC is 2Ch.
Add this ID, for new Spi NOR from Micron.

ST's ID(20h) is Micron due to the history.

Signed-off-by: Karl Zhang <karlzhang at micron.com>
---
 include/linux/mtd/cfi.h     | 1 +
 include/linux/mtd/spi-nor.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index 9b57a9b..cbf7716 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -377,6 +377,7 @@ struct cfi_fixup {
 #define CFI_MFR_SHARP		0x00B0
 #define CFI_MFR_SST		0x00BF
 #define CFI_MFR_ST		0x0020 /* STMicroelectronics */
+#define CFI_MFR_MICRON		0x002C /* Micron */
 #define CFI_MFR_TOSHIBA		0x0098
 #define CFI_MFR_WINBOND		0x00DA
 
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index fac3f6f..b858e93 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -22,6 +22,8 @@
  */
 #define SNOR_MFR_ATMEL		CFI_MFR_ATMEL
 #define SNOR_MFR_INTEL		CFI_MFR_INTEL
+/* Micron Manufacturer ID assigned by JEDEC */
+#define SNOR_MFR_MICRON_JEDEC	CFI_MFR_MICRON
 #define SNOR_MFR_MICRON		CFI_MFR_ST /* ST Micro <--> Micron */
 #define SNOR_MFR_MACRONIX	CFI_MFR_MACRONIX
 #define SNOR_MFR_SPANSION	CFI_MFR_AMD
-- 
1.9.1




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