Re: PPC8247 booting error

2009-05-07 Thread Sauce.Cheng
thanks for Scott's following > You need to pass your physical address (0xd000) to ioremap() to > obtain a virtual address that you can dereference. actually, i have done that like you said. pass my phy addr to a virtual addr, but i suppose it is a kernel virtual addr. i wanna get data from p

Re: PPC8247 booting error

2009-05-05 Thread Scott Wood
On Mon, May 04, 2009 at 10:23:50PM -0700, Sauce.Cheng wrote: > i want to mapping FIFO memory to bank 3 by configure br3 and or3 > the boot info as following. > > in my code, i have mapped FIFO to 0xD000, then i red the value from this > address. > > the prompts as following > > there is som