In message 482F3C06ECF00C44AEC226520C6FCB1A51ECB6@EXCHANGEVS.HYPERCOM.COM you wrote:
My board boots to address 0x0, with FLASH located there. The desired location for FLASH memory will be at 0x0400_0000. This is the address
I recommend NOT to use such a low address.
space to which I link U-Boot. The way I understand U-Boot to work is that for PPC8xx platforms, FLASH memory is generally located at address 0x0, and CS0 is required to map both address 0x0 and your absolute address space (0x0400_0000 in my example) so it can seamlessly jump from
No, this is completely wrong.
that are contrary to what I require. What I ended up doing is program CS0 base and option registers with what I call 'boot' values, to correctly configure OR0 to allow this duplication of address space for
Please read the README. It's all dicumented there.
Best regards,
Wolfgang Denk