Re: [PATCH 1/2] arm/mx5: parse iomuxc pad configuratoin from device tree

[David Brown <davidb-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

On Thu, Aug 04, 2011 at 06:07:15PM -0500, Matt Sealey wrote:
> Hi Grant, Shawn,
> 
> On Mon, Jul 25, 2011 at 3:46 PM, Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org> wrote:
> > This could get really verbose in a really big hurry.  Fortunately the
> > dtb format is sophisticated enough to only store each unique property
> > name once, so the data shouldn't be huge, but it is still going to
> > make for huge source files.  Can you think of a more concise
> > representation?
> 
> Yes: no representation at all. The correct place for IOMUX setup being
> done is *inside the boot firmware as soon as physically possible* and
> not seconds into boot after U-Boot has made a console, done a boot
> timeout, loaded scripts, kernels and ramdisks from media and then
> uncompressed and entered a Linux kernel.

This is true in situations where we have control over the bootloader,
but that isn't always the case.

David

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