In message sdff7591.075@au.thalesgroup.com you wrote:
I used smc1 because i was unable to get ppcboot running with smc2. our
This is something you should investigate. U-Boot is working fine on all MC and SCC ports. If it doesn't work for you this means there is some problem on your board and/or with your configuration. Ignoring such problems in the early phases whiletrying to go on and "make some progress" might seem to be useful for some demonstration with upper management, but will have to be paied for double and triple later, when you run into the same problem again without knowing and expecting it. -- Just my $ 0.02. [I must live with a very primitive mind - I tend to solve problems one by one, step by step. But then, this is working not too bad for me ;-) ]
where r25 is the pattern I want to write into address 0x81000000. I've
As Murray already pointed out: under Linux you cannot simply write to any physical address you like. Linux sets up a virtual address mapping, and each part of your physical address space you want to access must be explicitely mapped into this virtual memory.
any other ideas would be muchly appreciated,
Well, standard recommendation applies again: get yourself a BDI2000.
Best regards,
Wolfgang Denk