[U-Boot] Is CCSRBAR relocation broken on P2020?

[Felix Radensky]

Hi Ira,

On 11/10/2011 10:00 PM, Felix Radensky wrote:
> Hello Timur, Kumar, U-Boot List,
>
> I'm working on porting U-Boot to the Freescale P2020 COM-Express board.
> See the ML post from 2011-09-27 titled "[PATCH 0/2] mpc85xx: support 
> for
> Freescale COM Express P2020".
>
> When it was posted, the port was working on the top of tree U-Boot. 
> This
> included relocation of the CCSRBAR from the power on location of
> 0xff700000 to 0xffe00000.
>
> Today I updated U-Boot to top of tree to address the comments in the
> initial mailing list posting. Upon attempting to boot the board, I get
> no console output. I have traced this to commit 6ca88b0958
> ("powerpc/85xx: relocate CCSR before creating the initial RAM area").
>
> Indeed, making sure that the code does not run by adding the following
> to my board config file causes U-Boot to start correctly. Though the
> CCSRBAR is not relocated, as expected.
>
> #define CONFIG_SYS_CCSR_DO_NOT_RELOCATE
>
> As an alternative, reverting the commit causes my board to work again.
> The CCSRBAR is relocated correctly.
>
> The P2020DS board is very similar to the board I am using. It performs
> the same relocation of the CCSRBAR that I want to use as well.  Does
> anyone have a P2020DS that they can test with the current top of tree
> U-Boot? Does it boot? Can you send the output of "md ffe00000 1"?
>
> Thanks,
> Ira
>

I have P2020DS and can test it. Which configuration exactly, P2020DS or
P2020DS_SDCARD ?

Felix.