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i2c: sh_i2c.c: adjust for SH73A0

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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>
This commit is contained in:
Tetsuyuki Kobayashi 2012-09-13 19:07:58 +00:00 committed by Heiko Schocher
parent 57d7c80472
commit 3ce2703d8f
2 changed files with 5 additions and 1 deletions
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4
drivers/i2c/sh_i2c.c
View File

@ -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);

2
include/configs/kzm9g.h
View File

@ -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)