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| author | Tetsuyuki Kobayashi <koba@kmckk.co.jp> | 2012-09-13 19:07:58 +0000 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2012-10-16 05:47:20 +0200 |
| commit | 3ce2703d8f11b0b5c28409d8335f36bef258831b (patch) | |
| tree | e9e461eae690f7fa90738961d712575a59583959 | |
| parent | 57d7c80472d8c87f7c6d321f89a5aed47c865b5a (diff) | |
| download | u-boot-imx-3ce2703d8f11b0b5c28409d8335f36bef258831b.zip u-boot-imx-3ce2703d8f11b0b5c28409d8335f36bef258831b.tar.gz u-boot-imx-3ce2703d8f11b0b5c28409d8335f36bef258831b.tar.bz2 | |
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>
| -rw-r--r-- | drivers/i2c/sh_i2c.c | 4 | ||||
| -rw-r--r-- | include/configs/kzm9g.h | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/i2c/sh_i2c.c b/drivers/i2c/sh_i2c.c index eced61d..c667a1b 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 0132e9d..75b9257 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) |