[U-Boot] [PATCH v2] MPC8360EMDS: 512MB DDR and 33.33MHz oscillator support

Scott Wood scottwood at freescale.com
Thu Oct 27 20:54:27 CEST 2011


On 10/26/2011 09:29 PM, Chang-Ming.Huang at freescale.com wrote:
> From: Jerry Huang <Chang-Ming.Huang at freescale.com>
> 
> This patch:
> 1. Support 512MB DDR.
> 2. Support 33.33MHz oscillator.
> 3. QE clock is changed to 500MHz as the default value.
> 
> The new MPC8360EMDS board changes the oscillator to 33.33MHz in order to
> support QE 500MHZ and this new board supports 512MB DDR since 2008,
> but the u-boot only supports 256MB DDR and 66.6MHz oscillator on top tree,
[snip]
> diff --git a/include/configs/MPC8360EMDS.h b/include/configs/MPC8360EMDS.h
> index 49d64a5..b4b385a 100644
> --- a/include/configs/MPC8360EMDS.h
> +++ b/include/configs/MPC8360EMDS.h
> @@ -40,13 +40,13 @@
>   * System Clock Setup
>   */
>  #ifdef CONFIG_PCISLAVE
> -#define CONFIG_83XX_PCICLK	66000000 /* in HZ */
> +#define CONFIG_83XX_PCICLK	33300000 /* in HZ */
>  #else
> -#define CONFIG_83XX_CLKIN	66000000 /* in Hz */
> +#define CONFIG_83XX_CLKIN	33300000 /* in Hz */
>  #endif

Is it 33.33 MHz (as stated in the changelog) or 33.30 MHz (as
implemented here)?

-Scott



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