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[U-Boot,v2,02/12] spi/ich.c: Set the rx operation mode for ich 7

Message ID 1414832022-13406-1-git-send-email-bmeng.cn@gmail.com
State Superseded
Delegated to: Jagannadha Sutradharudu Teki
Headers show

Commit Message

Bin Meng Nov. 1, 2014, 8:53 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>
---
 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 c4d3a29..b356411 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;
 }