[POWERPC 03/15] [POWERPC] TQM5200 board support
Grant Likely
grant.likely at secretlab.ca
Tue Oct 9 08:37:13 EST 2007
On 10/8/07, Wolfgang Denk <wd at denx.de> wrote:
> In message <fa686aa40710081348p53c58bacw32b331a1eec56cdc at mail.gmail.com> you wrote:
> >
> > > > Why don't we fix it in U-Boot, then, and get rid of this in Linux?
> > >
> > > Mostly because I haven't gotten to it yet. :-/
> >
> > Actually, it's more than that. I don't want to force users to upgrade
> > their firmware on the lite5200. Linux boots on it fine now with old
> > firmware (using cuimage), it should continue to boot. Doing board
> > specific fixups at Linux setup_arch time to work around
> > old/buggy/not-quite-what-we-want firmware is reasonable. We must do
> > this on the Efika too.
>
> Maybe there's a way to allow booting with old firmware, but
> nevertheless providing a technically clean, up to date version of
> U-Boot for current kernels?
>
> My point is that the Lite5200B is a reference design - many people
> copy the hardware design and use the code as starting point for their
> own board adaptions. So this port has to be as clean as possible, or
> we will see the same remarks in nearly every new 5200 patch to come.
>
> Please, let's clean this up.
Yes, I agree. I need to think about this a bit. In the mean time,
I've submitted a lite5200 patch that makes it clear the CPU setup
fixups are *not* common code and should *not* be duplicated. :-)
Cheers,
g.
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely at secretlab.ca
(403) 399-0195
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