sf: Discover the bank addr commands

[u-boot] / drivers / mtd / spi / spi_flash.c

diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 9ddd0708722543102a5989ba063db066ae0c61b0..7e19953b0a478aeb798b413e1d20fb83fd41cd0b 100644 (file)
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -304,6 +304,27 @@ int spi_flash_cmd_bankaddr_write(struct spi_flash *flash, u8 bank_sel)
        return 0;
 }
 
+int spi_flash_bank_config(struct spi_flash *flash, u8 idcode0)
+{
+       /* discover bank cmds */
+       switch (idcode0) {
+       case SPI_FLASH_SPANSION_IDCODE0:
+               flash->bank_read_cmd = CMD_BANKADDR_BRRD;
+               flash->bank_write_cmd = CMD_BANKADDR_BRWR;
+               break;
+       case SPI_FLASH_STMICRO_IDCODE0:
+       case SPI_FLASH_WINBOND_IDCODE0:
+               flash->bank_read_cmd = CMD_EXTNADDR_RDEAR;
+               flash->bank_write_cmd = CMD_EXTNADDR_WREAR;
+               break;
+       default:
+               printf("SF: Unsupported bank commands %02x\n", idcode0);
+               return -1;
+       }
+
+       return 0;
+}
+
 #ifdef CONFIG_OF_CONTROL
 int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash)
 {