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| author | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-06-13 20:37:19 +0530 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2013-06-23 22:02:49 +0530 |
| commit | c9fcb59d7db74b93df9ee0a830bb9f43888f195c (patch) | |
| tree | 4747a45dda77b26399fba6aec52c92e2d526c61b /drivers/mtd/spi/spi_flash_internal.h | |
| parent | 9675fed4742338c71678cd310d0d6922b56e490a (diff) | |
| download | u-boot-imx-c9fcb59d7db74b93df9ee0a830bb9f43888f195c.zip u-boot-imx-c9fcb59d7db74b93df9ee0a830bb9f43888f195c.tar.gz u-boot-imx-c9fcb59d7db74b93df9ee0a830bb9f43888f195c.tar.bz2 | |
sf: Add bank address register writing support
This patch provides support to program a flash bank address
register.
extended/bank address register contains an information to access
the 4th byte addressing in 3-byte address mode.
reff' the spec for more details about bank addr register
in Page-63, Table 8.16
http://www.spansion.com/Support/Datasheets/S25FL128S_256S_00.pdf
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/mtd/spi/spi_flash_internal.h')
| -rw-r--r-- | drivers/mtd/spi/spi_flash_internal.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h index 141cfa8..772fef6 100644 --- a/drivers/mtd/spi/spi_flash_internal.h +++ b/drivers/mtd/spi/spi_flash_internal.h @@ -77,6 +77,9 @@ static inline int spi_flash_cmd_write_disable(struct spi_flash *flash) /* Program the status register. */ int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr); +/* Program the bank address register */ +int spi_flash_cmd_bankaddr_write(struct spi_flash *flash, u8 bank_sel); + /* * Same as spi_flash_cmd_read() except it also claims/releases the SPI * bus. Used as common part of the ->read() operation. |