Re: Booting armmp kernel on Beaglebone Black
On Tue, Apr 22, 2014 at 11:33 AM, Steve Langasek <vorlon@debian.org> wrote:
> On Tue, Apr 22, 2014 at 07:52:25AM -0500, Robert Nelson wrote:
>> On Mon, Apr 21, 2014 at 8:34 PM, James Valleroy
>> <james.valleroy@gmail.com> wrote:
>> > Not sure if this is the right place to ask, but I am looking for some
>> > help in booting the linux-image-armmp kernel on the Beaglebone Black.
>> > I am building an SD card image using the freedom-maker tool [0], which
>> > is a wrapper around vmdebootstrap. The image has a FAT boot partition
>> > and ext4 root partition.
>
>> > I run a script inside vmdebootstrap's chroot to set up the boot
>> > partition. It copies over the MLO and u-boot.img (from debian u-boot
>> > package), creates uEnv.txt, and sets up zImage and dtbs.
>
>> > The 1st version of this script [1] uses the kernel deb package and
>> > dtbs from rcn-ee.net. I can copy the image to an SD card and boot it
>> > on the BBB.
>
>> > The 2nd version of this script [2] uses the kernel and dtbs from
>> > debian's linux-image-armmp package. But I can't get farther than
>> > "Starting kernel ..." (log is at [3]).
>
>> > Any suggestions on how I can get the armmp kernel to boot on BBB?
>
>> I need to review my full config delta against armmp, but let's start with
>> mmc:
>
>> CONFIG_TI_EDMA needs to be builtin.
>
> Why? I don't know anything about this setting, but I note you said "built
> in", and not "enabled", implying that it's a driver. Why should
> kernel+dtb+initramfs not allow this driver to be dynamically loaded for the
> hardware where it's needed?
>
> OTOH, maybe the problem is the poster is trying to boot without an
> initramfs... (no mention of an initramfs in the pastebin...)
That wouldn't matter, from linux-image-3.13-1-armmp_3.13.10-1_armhf.deb
# CONFIG_TI_EDMA is not set
Sorry, can't confirm if it actually works as an external module.
Regards,
--
Robert Nelson
http://www.rcn-ee.com/
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