[U-Boot] [PATCH v2 7/7] am335x_evm: Add support to boot from NOR.

Mark Jackson
2013-07-17T12:58:54Z

On 11/07/13 14:06, Mark Jackson wrote:
> On 18/06/13 13:11, Mark Jackson wrote:
>> On 17/06/13 15:43, Mark Jackson wrote:
>>> On 13/05/13 19:28, Tom Rini wrote:
>>>> From: Steve Kipisz <s-kipisz2@ti.com>
>>>>
>>>> NOR requires that s_init be within the first 4KiB of the image so that
>>>> we can perform the rest of the required pinmuxing to talk with the rest
>>>> of NOR that we are found on. When NOR_BOOT is set we save our
>>>> environment in NOR at 512KiB and a redundant copy at 768KiB. We avoid
>>>> using SPL for this case and u-boot.bin is written directly to the start
>>>> of NOR.
>>>
>>> I'm trying to get this up and running our NanoBone platform, but I'm having
>>> no success.
>>
>> Just an update ... I now have it working ... yay !!
>>
>> The main (and possibly the *only*) culprit was that SYSBOOT[8] (which selects
>> 8/16bit mode) was being incorrectly influenced by a hardware fault.
>>
>> I have pulled quite a few patches from various places, some of which might
>> not be required. Now I have a working base, I'll work out what is needed
>> on top of Tom's original patch set.
>
> Okay ... I've now got NOR booting rebased to master using the patch set below.
> This doesn't include my board code as that's of no interest until NOR booting
> is added to the mainline code.
>
> Sorry, Tom, I'm no git expert, so I'm not sure how to compare this to your
> previous patches ... I hope this is useful in some way ??

Tom ... any idea when NOR booting will be merged into the mainline code ?

I'm keen to get our NanoBone board support added.

Cheers
Mark J.