[U-Boot] [PATCH 03/11][v4] driver: mtd: spi: Adding support for QSPI flash

Prabhakar Kushwaha prabhakar.kushwaha at nxp.com
Tue May 31 17:15:46 CEST 2016


Serial number, vendor id and page size are added for QSPI flash
common on both LS1012AQDS and LS1012ARDB i.e. S25FS512SDSMFI011.

Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava at nxp.com>
Signed-off-by: Calvin Johnson <calvin.johnson at nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu at nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
---
Changes for v2: Sending as it is
Changes for v3: Sending as it is
Changes for v4: Sending as it is

 drivers/mtd/spi/sf_params.c | 1 +
 drivers/mtd/spi/spi_flash.c | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/spi/sf_params.c b/drivers/mtd/spi/sf_params.c
index 4f37e33..c577d9e 100644
--- a/drivers/mtd/spi/sf_params.c
+++ b/drivers/mtd/spi/sf_params.c
@@ -67,6 +67,7 @@ const struct spi_flash_params spi_flash_params_table[] = {
 	{"S25FL128S_64K",  0x012018, 0x4d01,    64 * 1024,   256, RD_FULL,		     WR_QPP},
 	{"S25FL256S_256K", 0x010219, 0x4d00,   256 * 1024,   128, RD_FULL,		     WR_QPP},
 	{"S25FL256S_64K",  0x010219, 0x4d01,	64 * 1024,   512, RD_FULL,		     WR_QPP},
+	{"S25FS512S",      0x010220, 0x4D00,   128 * 1024,   512, RD_FULL,                   WR_QPP},
 	{"S25FL512S_256K", 0x010220, 0x4d00,   256 * 1024,   256, RD_FULL,		     WR_QPP},
 	{"S25FL512S_64K",  0x010220, 0x4d01,    64 * 1024,  1024, RD_FULL,		     WR_QPP},
 	{"S25FL512S_512K", 0x010220, 0x4f00,   256 * 1024,   256, RD_FULL,		     WR_QPP},
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index fa0e799..64d4e0f 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -1072,7 +1072,8 @@ int spi_flash_scan(struct spi_flash *flash)
 	 * sector that is not overlaid by the parameter sectors.
 	 * The uniform sector erase command has no effect on parameter sectors.
 	 */
-	if (jedec == 0x0219 && (ext_jedec & 0xff00) == 0x4d00) {
+	if ((jedec == 0x0219 || (jedec == 0x0220)) &&
+	    (ext_jedec & 0xff00) == 0x4d00) {
 		int ret;
 		u8 id[6];
 
@@ -1146,7 +1147,7 @@ int spi_flash_scan(struct spi_flash *flash)
 	 * have 256b pages.
 	 */
 	if (ext_jedec == 0x4d00) {
-		if ((jedec == 0x0215) || (jedec == 0x216))
+		if ((jedec == 0x0215) || (jedec == 0x216) || (jedec == 0x220))
 			flash->page_size = 256;
 		else
 			flash->page_size = 512;
-- 
1.9.1




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