driver: mtd: spi: Adding support for QSPI flash

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@nxp.com>
Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

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},

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;