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authorBin Meng <bmeng.cn@gmail.com>2014-12-12 19:36:16 +0530
committerSimon Glass <sjg@chromium.org>2014-12-13 15:08:04 -0700
commit996467172e29e28247d8e9a35ada43a1376b5883 (patch)
treeea8bace6c613b6aeeea57f0a3c2a94e9fa4aaeda /drivers/spi
parentfa388bca3eb3f81f6412c69f0e15ab05ad4918a7 (diff)
x86: ich-spi: Set the tx operation mode for ich 7
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>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/ich.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index b356411c36..16730ec33f 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -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;
}