[U-Boot-Users] PQ2FADS-ZU PQ28280 access to 60x bus SDRAMfailed when localbus is in PCI mode?
Rune Torgersen
runet at innovsys.com
Wed Jun 15 16:56:53 CEST 2005
Make sure U-Boot doesn't try to initialize the SDRAM on the localbus.
Had that excact problem when I ported 8260ADS to 8266ADS.
> -----Original Message-----
> From: u-boot-users-admin at lists.sourceforge.net
> [mailto:u-boot-users-admin at lists.sourceforge.net] On Behalf
> Of Jason McMullan
> Sent: Wednesday, June 15, 2005 09:13
> To: KokHow Teh
> Cc: U-Boot List
> Subject: Re: [U-Boot-Users] PQ2FADS-ZU PQ28280 access to 60x
> bus SDRAMfailed when localbus is in PCI mode?
>
> On Wed, 2005-06-15 at 17:42 +0800, KokHow Teh wrote:
> > Hi;
> > I am having trouble with my PQ2FADS-ZU board with a PQ2 8280
> > processor that when the localbus is put into PCI mode with
> LBPC = 01, all
> > accesses to 60x bus SDRAM fails. Uboot failed in
> get_ram_size() routine.
> > The selection of localbus operation mode is done by SW9.
> Switch the jumper
> > back to localbus SDRAM mode, U-boot boots to the prompt and
> access to 60x
> > SDRAM is fine. Does anybody have similar experience? Any insight is
> > appreciated.
>
> Me me! I'm in the same boat, and have exactly the same issues!
>
> I have an outstanding support request to Freescale, but if
> get an answer
> before I do, please post it here!
>
> --
> Jason McMullan <jason.mcmullan at gmail.com>
> "Sure, send me the latest Knoppix DVD as an attachment..."
>
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