[U-Boot] [PATCH 3/3] i2c: sh_i2c.c: adjust for SH73A0

[Nobuhiro Iwamatsu]

Hi,

I add Heiko Schocher <hs at denx.de> to Cc:
Heiko is I2C maintainer.

On Tue, Sep 11, 2012 at 2:58 PM, Tetsuyuki Kobayashi <koba at 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 <koba at kmckk.co.jp>

Acked-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at 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     (41666666)
> +#define CONFIG_SH_I2C_CLOCK     (104000000) /* 104 MHz */
>  #define CONFIG_SH_I2C_BASE0     (0xE6820000)
>  #define CONFIG_SH_I2C_BASE1     (0xE6822000)
>
> --
> 1.7.9.5
>

Best regards,
  Nobuhiro


-- 
Nobuhiro Iwamatsu