[U-Boot] [PATCH 5/5] dra7xx: Add dra72_evm_defconfig using CONFIG_DM

Simon Glass sjg at chromium.org
Mon Aug 3 01:22:30 CEST 2015


Hi Tom,

On 2 August 2015 at 17:07, Tom Rini <trini at konsulko.com> wrote:
> On Sun, Aug 02, 2015 at 03:29:12PM -0600, Simon Glass wrote:
>> Hi Tom,
>>
>> On 31 July 2015 at 17:55, Tom Rini <trini at konsulko.com> wrote:
>> > - Import various DT files for DRA7 / DR72x / dra72-evm from Linux Kernel
>> >   v4.1
>> > - Add config file for this board, enable DM and DM_GPIO
>> >
>> > Cc: Simon Glass <sjg at chromium.org>
>> > Signed-off-by: Tom Rini <trini at konsulko.com>
>> >
>> > ---
>> > For some reason I can't yet figure out, enabling CONFIG_DM_SERIAL seems
>> > to be triggering the no console panic failure path, but I can't seem to
>> > figure out why.
>>
>> There is a bug in it but I suspect your problem is elsewhere:
>>
>> http://patchwork.ozlabs.org/patch/498648/
>
> I had that applied locally based on your hint, no help :(
>
>> You could enable the debug UART and print characters to see where it fails...
>
> I need to, yes, but one of my tests was commenting out the
> panic_str(...) and that went from a loop (since I didn't have
> CONFIG_PANIC_HANG set) to a hard crash I'm guessing a bit later on.

If I could repeat this on BBB I could try to track it down. But I
suspect it is something else.

Is this in U-Boot proper? It really should pick up the stdout-path
right at the top of serial_find_console_or_panic() and return.

Regards,
Simon


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