[U-Boot-Users] PPC440EPx: Sequoia board config (EBC0)

[Frank Bruno]

Thanks Stefan,

That clears things up.

Frank


On Dec 4, 2007 10:15 AM, Stefan Roese <sr at denx.de> wrote:

> Hi Frank,
>
> On Tuesday 04 December 2007, Frank Bruno wrote:
> > I am working on a port of u-boot to a PPC440EPx custom board based off
> of
> > the Sequoia reference design.
> >
> > I have noticed a couple of areas that the stock sequoia u-boot sources
> > configure the EBC0 & EBC3 with reserved bits, namely the B0CR with
> 0xDA000,
> > where bits 19:31 are reserved & B0AP with 0x03017200, where bits 9:11
> are
> > reserved.
>
> You're probably just mixing up the bit notation. MSB is bit 0 and LSB is
> bit
> 31. Could it be that you thought it was the other way around?
>
> > I have searched for an ERRATA in the datasheets but do not see anything
> > with reference to the EBC peripheral bus.
> >
> > Can anyone explain why these bits are set? or has the info for their
> usage?
>
> Please see above. Hope this helps.
>
> Best regards,
> Stefan
>
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