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@lists.sourceforge.net [mailto:u-boot-users-admin@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@gmail.com "Sure, send me the latest Knoppix DVD as an attachment..."