diff options
Diffstat (limited to 'drivers/mtd/spi/spi_flash.c')
| -rw-r--r-- | drivers/mtd/spi/spi_flash.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index 9ddd07087..7e19953b0 100644 --- 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) { |