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

@@ -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);

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)