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

Scott Wood scottwood at freescale.com
Thu Oct 27 21:05:27 CEST 2011


On 10/27/2011 01:54 PM, Scott Wood wrote:
> 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)?

Never mind, I see this was fixed in a later revision.

-Scott



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