Hi,
I add Heiko Schocher h...@denx.de to Cc:
Heiko is I2C maintainer.
On Tue, Sep 11, 2012 at 2:58 PM, Tetsuyuki Kobayashi k...@kmckk.co.jp wrote:
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.
Signed-off-by: Tetsuyuki Kobayashi k...@kmckk.co.jp
Acked-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu...@renesas.com
---
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 84f1f5b..e8efdc9 100644
--- a/drivers/i2c/sh_i2c.c
+++ b/drivers/i2c/sh_i2c.c
@@ -153,8 +153,12 @@ 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 a1ae718..5eccd29 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 (4166)
+#define CONFIG_SH_I2C_CLOCK (10400) /* 104 MHz */
#define CONFIG_SH_I2C_BASE0 (0xE682)
#define CONFIG_SH_I2C_BASE1 (0xE6822000)
--
1.7.9.5
Best regards,
Nobuhiro
--
Nobuhiro Iwamatsu
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