[U-Boot] ppc4xx:tftp error
Stefan Roese
sr at denx.de
Tue Oct 26 10:06:55 CEST 2010
Hi Tim,
(please try to quote correctly upon replying, your answers are hard to read)
On Tuesday 26 October 2010 09:21:50 Tim Rachman wrote:
> > According to your useful guides in our previous Emails, I examined again
> > my ddr sdram parameters that i had set in u-boot. I'm interfacing
> > HYB25D512160AT–7 to PPC440EP, with 133MHz plb frequency.
>
> What SDRAM/DDR init code are you using? Is it
> arch/powerpc/cpu/ppc4xx/sdram.c?
>
>
> Yes, I am. But I changed some parameters according to HYB25D512160AT–7
> datasheet.
Which changes did you make exactly? Are you using the sdram_tr1_set() function
to "fine-tune" the controller settings?
<snip>
> A point: Our custom board doesn't have PCI , Is it possible that some
> setting in PCI routins of yosemite BSP has effect on their shared PLB BUS?
No, I don't think so. But you should create a "real" board port for your
custom board and remove such unused features as PCI in this process.
> BTW, I focus on SDRAM configuration more, Hopefully problem will be solved.
Good luck.
Cheers,
Stefan
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