[Arm-dev] Gigabyte MP30-AR0

Sat Mar 12 12:36:45 UTC 2016
Gordan Bobic <gordan at redsleeve.org>

On 12/03/16 12:04, Gordan Bobic wrote:
> On 22/02/16 05:02, Phong Vo wrote:
>> Hi,
>>
>> The mp30ar0 U-boot has some special memory mapping to accommodate 32-bit
>> DMA.
>> Please download the tar ball again - I've updated the tianocore UHP for
>> this.
>>
>> https://dl.dropboxusercontent.com/u/20403943/mp30ar0_tianocore_binaries.ta
>>
>> r.xz
>>
>> Updated instruction for U-boot chain loading:
>> MP30AR0# setenv num_cores 1
>> MP30AR0# setenv DDRBASE2G 1
>> MP30AR0# save; reset
>
> I just did this part and it seems to have semi-bricked the board. It
> gets as far as:
> ===
> U-Boot 2013.04 (Jun 02 2015 - 10:54:10)ooREV: 1.15.01-F05 ( uart0 )
> ===
>
> and it just stops.
>
> That seems a bit odd from just changing one variable and adding another,
> I didn't think those were supposed to be read until after the boot
> interruption prompt.
>
> On to unbricking procedure I go...

Which gets stuck at the exct same point during the boot, only this time 
it looks like u-boot is a little newer:

===
U-Boot 2013.04-mp30ar0_sw_1.18.04 (Sep 02 2015 - 16:38:06) REV: F06b ( 
uart0 )
===

Also tried clearing the CMOS, which made no difference.

Gordan