[U-Boot] [PATCH] sh: Fix sh7264 clock speed and related serial setting

[Nobuhiro Iwamatsu]

Hi,

Applied this patch to my repository.
Thanks!

Nobuhiro

2012/2/13 Phil Edworthy <phil.edworthy at renesas.com>:
> The generalised calculation of the serial bit rate reg also applies
> to sh7264, it was just the clock speed that was set incorrectly.
>
> Signed-off-by: Phil Edworthy <phil.edworthy at renesas.com>
> ---
>  drivers/serial/serial_sh.h |    2 --
>  include/configs/rsk7264.h  |    2 +-
>  2 files changed, 1 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h
> index 4e16e48..0b3e779 100644
> --- a/drivers/serial/serial_sh.h
> +++ b/drivers/serial/serial_sh.h
> @@ -686,8 +686,6 @@ static inline int scbrr_calc(struct uart_port port, int bps, int clk)
>  #define SCBRR_VALUE(bps, clk) scbrr_calc(sh_sci, bps, clk)
>  #elif defined(__H8300H__) || defined(__H8300S__)
>  #define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1)
> -#elif defined(CONFIG_CPU_SH7264)
> -#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps))
>  #else /* Generic SH */
>  #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
>  #endif
> diff --git a/include/configs/rsk7264.h b/include/configs/rsk7264.h
> index c1ffc34..af9524e 100644
> --- a/include/configs/rsk7264.h
> +++ b/include/configs/rsk7264.h
> @@ -65,7 +65,7 @@
>  #define CONFIG_ENV_SIZE                CONFIG_ENV_SECT_SIZE
>
>  /* Board Clock */
> -#define CONFIG_SYS_CLK_FREQ    33333333
> +#define CONFIG_SYS_CLK_FREQ    36000000
>  #define CMT_CLK_DIVIDER                32      /* 8 (default), 32, 128 or 512 */
>  #define CONFIG_SYS_HZ          (CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER)
>
> --
> 1.7.0.4
>



-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6