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| author | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2014-01-07 00:11:35 +0530 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jaganna@xilinx.com> | 2014-01-12 21:40:22 +0530 |
| commit | 056fbc73d54df64adcb93c513cba708acb2683bd (patch) | |
| tree | 4243a3f6eb6f1a2fabc57cdad08031fc4e351cd6 /include/spi_flash.h | |
| parent | f77f469117ab3184ac45683a50dc446265be28cc (diff) | |
| download | u-boot-imx-056fbc73d54df64adcb93c513cba708acb2683bd.zip u-boot-imx-056fbc73d54df64adcb93c513cba708acb2683bd.tar.gz u-boot-imx-056fbc73d54df64adcb93c513cba708acb2683bd.tar.bz2 | |
sf: Add dual memories support - DUAL_PARALLEL
This patch added support for accessing dual memories in
parallel connection with single chipselect line from controller.
For more info - see doc/SPI/README.dual-flash
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'include/spi_flash.h')
| -rw-r--r-- | include/spi_flash.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/spi_flash.h b/include/spi_flash.h index 36f1f03..f79f0ea 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -40,6 +40,7 @@ enum spi_read_cmds { enum spi_dual_flash { SF_SINGLE_FLASH = 0, SF_DUAL_STACKED_FLASH = 1 << 0, + SF_DUAL_PARALLEL_FLASH = 1 << 1, }; /** @@ -70,7 +71,8 @@ extern const struct spi_flash_params spi_flash_params_table[]; * * @spi: SPI slave * @name: Name of SPI flash - * @dual_flash: Indicates dual flash memories - dual stacked + * @dual_flash: Indicates dual flash memories - dual stacked, parallel + * @shift: Flash shift useful in dual parallel * @size: Total flash size * @page_size: Write (page) size * @sector_size: Sector size @@ -96,6 +98,7 @@ struct spi_flash { struct spi_slave *spi; const char *name; u8 dual_flash; + u8 shift; u32 size; u32 page_size; |