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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.h | |
| parent | f77f469117ab3184ac45683a50dc446265be28cc (diff) | |
| download | u-boot-056fbc73d54df64adcb93c513cba708acb2683bd.tar.gz u-boot-056fbc73d54df64adcb93c513cba708acb2683bd.tar.bz2 u-boot-056fbc73d54df64adcb93c513cba708acb2683bd.zip | |
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.h')
| -rw-r--r-- | include/spi.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/spi.h b/include/spi.h index d214d82923..ffd66478b1 100644 --- a/include/spi.h +++ b/include/spi.h @@ -47,6 +47,7 @@ /* SPI bus connection options */ #define SPI_CONN_DUAL_SHARED 1 << 0 +#define SPI_CONN_DUAL_SEPARATED 1 << 1 /* Header byte that marks the start of the message */ #define SPI_PREAMBLE_END_BYTE 0xec @@ -66,7 +67,7 @@ * @max_write_size: If non-zero, the maximum number of bytes which can * be written at once, excluding command bytes. * @memory_map: Address of read-only SPI flash access. - * @option: Varies SPI bus options - separate bus. + * @option: Varies SPI bus options - separate, shared bus. * @flags: Indication of SPI flags. */ struct spi_slave { |