Re: Physical memory addresses/PCI memory addresses/io_remap

2000-12-14 Thread Alan Cox
> > 1. Should pci_resource_start be returning the PCI memory space address or > >a physical memory space address? > > I believe that pci_resource_start() should return physical address, not > bus one. It already happens on PReP. It returns a cookie for use with ioremap. Who says that a given

Re: Physical memory addresses/PCI memory addresses/io_remap

2000-12-14 Thread Petr Vandrovec
On 14 Dec 00 at 15:16, Russell King wrote: > virtual space- address space that the kernel runs in > physical space - address space that the CPU sits in > PCI memory space - memory address space that the PCI peripherals sit in == bus address... > > Many, if not all ARM architecture