Re: Booting PhyTec PCM043/IMX35 from USB/SD-Card

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Hi Peter,

On Wed, May 23, 2012 at 05:43:52PM +0200, Peter Kuennemann@Crane-Soft wrote:
> Hi all.
> 
> I am trying to setup my PCM043/IMX35 board to boot from the
> USB MMC card but til now I do have have any clue how to manage.
> Searching the net, did not provide any hints regard that board.
> 
> I'ld like to have barebox to allow me to use the USB/MMC card
> as boot device. Is there a chance to boot from SD-Card at all?

Do you want to start barebox from USB/MMC or do you only want to load
the kernel from USB/MMC? The latter is possible, though you have to add
support for it. See arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c
for an example how to do it. Basically for MMC you have to configure
the iomuxer and register the device. USB might be a bit more
complicated, you have to configure the phy correctly.

Sascba


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