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x86: ich-spi: Set the tx operation mode for ich 7

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ICH 7 SPI controller only supports byte program (02h) for SST flash.
Word program (ADh) is not supported.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
This commit is contained in:
Bin Meng 2014-12-12 19:36:16 +05:30 • committed by Simon Glass
parent fa388bca3e
commit 996467172e
1 changed files with 7 additions and 2 deletions
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9
drivers/spi/ich.c
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@ -141,9 +141,14 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
ich->slave.max_write_size = ctlr.databytes;
ich->speed = max_hz;
/* ICH 7 SPI controller only supports array read command */
if (ctlr.ich_version == 7)
/*
* ICH 7 SPI controller only supports array read command
* and byte program command for SST flash
*/
if (ctlr.ich_version == 7) {
ich->slave.op_mode_rx = SPI_OPM_RX_AS;
ich->slave.op_mode_tx = SPI_OPM_TX_BP;
}
return &ich->slave;
}