[fedora-arm] F20 on BeagleBone (Original white, not Black)

[Robert Nelson]

On Fri, Mar 21, 2014 at 7:10 AM, Clive Messer <clive.m.messer at gmail.com> wrote:
> On Fri, 2014-03-21 at 11:25 +0000, Peter Robinson wrote:
>> > Is there any expectation that original BeagleBone (white, not black)
>> > should complete booting with F20 minimal image,
>> > Fedora-Minimal-VFAT-armhfp-20-1-sda.raw.
>> >
>> > It craps out looking for the root partition....
>> >
>> > [  OK  ] Reached target Basic System.
>> > [  289.718630] dracut-initqueue[254]: Warning: Could not boot.
>> > [  289.799095] dracut-initqueue[254]:
>> > Warning: /dev/disk/by-uuid/dd78a003-5028-4466-b966-c33d9fefff1a does not
>> > exist
>> >
>> > .... which I figure is probably a result of ....
>> >
>> > [    5.985745] localhost kernel: omap_hsmmc 48060000.mmc: unable to
>> > select pin group
>> > [    5.986400] localhost kernel: omap_hsmmc 48060000.mmc: vmmc regulator
>> > missing
>> > [    6.094935] localhost kernel: sr_init: platform driver register
>> > failed for SR
>>
>> Maybe, or maybe something else missing, I keep poking it on occasion
>> but I've not worked out what bit of glue we're missing.
>
> I admit I gave up too easily yesterday, built a Robert Nelson 3.12.13
> and got my F20 image going with that. After I got running, I did update
> the Fedora kernel to current 3.13.6 and tried to boot that. Same
> problem, mmc driver not loading. I'll try to get to the bottom of this
> afternoon. I'll diff the fedora/RN kernel config and see if anything
> jumps out. If not, I'll start looking at am3* dts/dtsi files....
>
> Robert, if you're reading this, don't suppose you can point me in the
> direction of where to start looking? ;)

v3.13.x pretty much works out of the box, so no dts/dtsi changes are necessary..

I'd first start looking at make sure the mmc driver is setup:

CONFIG_TI_EDMA=y
CONFIG_DMA_ENGINE=y

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/