[U-Boot] [U-Boot,2/3] imx: mx6: correct IPU clock

Stefano Babic sbabic at denx.de
Tue Sep 5 13:30:57 UTC 2017


On 05/09/2017 14:56, Fabio Estevam wrote:
> Hi Eric,
> 
> On Mon, Sep 4, 2017 at 11:37 PM, Eric Nelson <ericnelsonaz at gmail.com> wrote:
> 
>>> --- a/include/configs/mx6sabre_common.h
>>> +++ b/include/configs/mx6sabre_common.h
>>> @@ -225,7 +225,11 @@
>>>   #define CONFIG_BMP_16BPP
>>>   #define CONFIG_VIDEO_LOGO
>>>   #define CONFIG_VIDEO_BMP_LOGO
>>> -#define CONFIG_IPUV3_CLK 260000000
>>> +#ifdef CONFIG_MX6DL
>>> +#define CONFIG_IPUV3_CLK 198000000
>>> +#else
>>> +#define CONFIG_IPUV3_CLK 264000000
>>> +#endif
>>
>>
>>
>> Note that this should probably be applied for other boards
>> which are compiled for multiple CPU types.
>>
>> At least the Boundary Nitrogen boards, but probably others
>> like Wand have ordering options for DL or Solo processors
>> and may need the reduced clock rate.
> 
> Agreed. The clock frequency decision should be done in run-time rather
> than in build-time.

I agree, too. We have mechanism to take decisions at run time, at least
based on SOC type. Anyway, Anatolji has already merged this - should be
better to revert it ?

Regards,
Stefano


-- 
=====================================================================
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================


More information about the U-Boot mailing list