[U-Boot] AMCC 405ex memory size issue

[konamo]

any ideas?



konamo wrote:
> 
> Hi all,
>   we are using AMCC 405ex kilauea eval board as a demo, not use any
> pci/nand function, 
> the board configuration is below:
> u-boot 2009.01, 
> linux-2.6.25-rc2, 
> 1GB DDR2 memory(2Gbit * 4, 1 rank), 
> AMCC powerpc 405ex, 
> both 1G and 512MB memory works fine under u-boot, but linux boot fails in
> 1G memory, if we limit mem=512M, linux could boot over nfs. Could anyone
> pls help us how to find the root cause? thanks
> 

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