From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jerry Van Baren <gvb.uboot@gmail.com>
Date: Sat, 08 Aug 2009 17:31:40 -0400
Subject: [U-Boot] ppc-mpc8548-u-boot
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Raghavendra wrote:
> Hello All,
> 
> I have downloaded new u-boot (u-boot -2009.06) I am using PQ3 - 8548 
> processor.
> 
> Our custom board is with 128Mbyte Flash, but MPC8548CDS and SBC8548 are 
> with different configurations.
> 
> How can i customize this to my custom board, which has 128Mbyte flash 
> interface.
> 
> I changed the Flash Base location to 0xf8000000 and Banks, Sector 
> informations. But still not booting. The clock configuration is fine 
> (33.33MHz)
> 
> When i debugged using JTAG, i could notice, when Program Counter is at 
> 0xfff80e00 - its stoping further execution?

What is at 0xfff80e00?

This sounds suspiciously like your processor is taking exception (trap) 
0xe00.  What is trap 0xe00 on the 8548?  Why might it get triggered?

> how can i proceed?
> 
> regards
> raghavendra

Good luck,
gvb