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[U-Boot,v3,1/2] x86: ich-spi: Set the rx operation mode for ich 7

Message ID 1418200672-4743-1-git-send-email-bmeng.cn@gmail.com
State Superseded
Delegated to: Simon Glass
Headers show

Commit Message

Bin Meng Dec. 10, 2014, 8:37 a.m. UTC 
ICH 7 SPI controller only supports array read command (03h).
Fast array read command (0Bh) is not supported.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>

---
Changes in v3: None
RESEND of v2 patch @ http://patchwork.ozlabs.org/patch/405752/

 drivers/spi/ich.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 7b24981..c38df08 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -141,6 +141,10 @@  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->slave.op_mode_rx = SPI_OPM_RX_AS;
+
 	return &ich->slave;
 }