From: Fabio Estevam <fabio.este...@freescale.com>
SST SPI NOR flash has the same locking programming bits as ST Micro.
Add support for it.
Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
---
drivers/mtd/spi/sf_internal.h | 1 +
drivers/mtd/spi/sf_probe.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 8793f18..85c8a89 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -64,6 +64,7 @@ enum spi_nor_option_flags {
#define SPI_FLASH_CFI_MFR_SPANSION 0x01
#define SPI_FLASH_CFI_MFR_STMICRO 0x20
#define SPI_FLASH_CFI_MFR_MACRONIX 0xc2
+#define SPI_FLASH_CFI_MFR_SST 0xbf
#define SPI_FLASH_CFI_MFR_WINBOND 0xef
/* Erase commands */
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index bc05d30..fea6c24 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -184,8 +184,9 @@ static int spi_flash_validate_params(struct spi_slave *spi,
u8 *idcode,
/* lock hooks are flash specific - assign them based on idcode0 */
switch (idcode[0]) {
-#ifdef CONFIG_SPI_FLASH_STMICRO
+#if defined CONFIG_SPI_FLASH_STMICRO || defined CONFIG_SPI_FLASH_SST
case SPI_FLASH_CFI_MFR_STMICRO:
+ case SPI_FLASH_CFI_MFR_SST:
flash->flash_lock = stm_lock;
flash->flash_unlock = stm_unlock;
flash->flash_is_locked = stm_is_locked;
--
1.9.1
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