From 3ce2703d8f11b0b5c28409d8335f36bef258831b Mon Sep 17 00:00:00 2001
From: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Date: Thu, 13 Sep 2012 19:07:58 +0000
Subject: [PATCH] i2c: sh_i2c.c: adjust for SH73A0
Adjust i2c_raw_read() in sh_i2c.c to work for SH73A0.
After this patch, "i2c md" and "i2c mw" command on U-Boot work properly on KZM-A9-GT board.
Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
---
drivers/i2c/sh_i2c.c | 4 ++++
include/configs/kzm9g.h | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/sh_i2c.c b/drivers/i2c/sh_i2c.c
index eced61de0b..c667a1bdf0 100644
--- a/drivers/i2c/sh_i2c.c
+++ b/drivers/i2c/sh_i2c.c
@@ -135,8 +135,12 @@ static u8 i2c_raw_read(struct sh_i2c *base, u8 id, u8 reg)
{
u8 ret;
+#if defined(CONFIG_SH73A0)
+ i2c_set_addr(base, id, reg, 0);
+#else
i2c_set_addr(base, id, reg, 1);
udelay(100);
+#endif
writeb((SH_I2C_ICCR_ICE|SH_I2C_ICCR_RTS|SH_I2C_ICCR_BUSY), &base->iccr);
irq_dte(base);
diff --git a/include/configs/kzm9g.h b/include/configs/kzm9g.h
index 0132e9d0df..75b9257e1d 100644
--- a/include/configs/kzm9g.h
+++ b/include/configs/kzm9g.h
@@ -163,7 +163,7 @@
#define CONFIG_SYS_I2C_SLAVE (0x7F)
#define CONFIG_SH_I2C_DATA_HIGH (4)
#define CONFIG_SH_I2C_DATA_LOW (5)
-#define CONFIG_SH_I2C_CLOCK (41666666)
+#define CONFIG_SH_I2C_CLOCK (104000000) /* 104 MHz */
#define CONFIG_SH_I2C_BASE0 (0xE6820000)
#define CONFIG_SH_I2C_BASE1 (0xE6822000)
--
2.39.5