From: Bin Meng <bmeng.cn@gmail.com>
Date: Fri, 12 Dec 2014 14:06:16 +0000 (+0530)
Subject: x86: ich-spi: Set the tx operation mode for ich 7
X-Git-Tag: v2015.01-rc4~25^2~17
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=996467172e29e28247d8e9a35ada43a1376b5883;p=oweals%2Fu-boot.git

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>
---

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;
 }