[U-Boot] [PATCH v2 2/2] dm: rpi: Move script load address to 0x8000

Simon Glass sjg at chromium.org
Tue Nov 25 05:28:20 CET 2014


Hi Stephen,

On 24 November 2014 at 21:22, Stephen Warren <swarren at wwwdotorg.org> wrote:
> On 11/24/2014 09:10 PM, Simon Glass wrote:
>> Hi Stephen,
>>
>> On 24 November 2014 at 21:06, Stephen Warren <swarren at wwwdotorg.org> wrote:
>>> On 11/24/2014 06:08 PM, Simon Glass wrote:
>>>> The current load address of 0 seems to cause problems when driver model
>>>> is used. There doesn't seem to be any reason why the script needs to load
>>>> to 0, so move it.
>>>
>>> I'm not particularly tied to the specific $scriptaddr value, but I think
>>> we should find out why writing to address 0 causes failures, rather than
>>> just papering over the issue.
>>
>> I had the same thought, but I have no documentation and have spent
>> quite a bit of time on it. Do you have any suggestions? Where are the
>> CPU vectors kept on this platform?
>
> I think I found the issue; see my latest message in thread "Re:
> Raspberry Pi with driver model".
>
> (I should mention I originally started looking at that code since I
> dumped the memory at address 0 immediately after boot, and noticed the
> UART address was there for some unexpected reason)
>

Ah! Well good that you know the platform. I just saw what looked like
vectors and thought nothing of it.

Regards,
Simon


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