[U-Boot] [PATCH 6/9] ARM: Implement CONFIG_SKIP_LOWLEVEL_INIT for arm926ej-s

Michael Spang mspang at csclub.uwaterloo.ca
Tue Apr 26 06:44:50 CEST 2011


On Sun, Apr 24, 2011 at 7:55 PM, Wolfgang Denk <wd at denx.de> wrote:
> Dear Michael Spang,
>
> In message <1300391223-11879-7-git-send-email-mspang at csclub.uwaterloo.ca> you wrote:
>> The TS-7800 needs to skip SDRAM initialization since it loads from
>> RAM, but the CPU should still be initialized to the correct state.
>> Thus we add an #ifdef around the call to the lowlevel_init function.
>>
>> Signed-off-by: Michael Spang <mspang at csclub.uwaterloo.ca>
>
> How can the SDRAM be initialized when the CPU is not?

It is already initialized, but even if the state matches what U-Boot
expects now, I'm not confident the desired settings will never change.
So I think it is best to just run U-Boot's initialization anyway.

Michael


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