Message ID | 1418393176-16002-7-git-send-email-jagannadh.teki@gmail.com |
---|---|
State | Accepted |
Delegated to: | Simon Glass |
Headers | show |
On 12 December 2014 at 07:06, Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> wrote: > From: Bin Meng <bmeng.cn@gmail.com> > > 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> > --- > drivers/spi/ich.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) Applied to u-boot-x86, thanks!
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index 0ef8bd4..d5cea39 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; }