On Wed, Feb 20, 2002 at 05:36:05PM -0800, Matthew Dharm wrote: > Now, I'm pretty sure this has something to do with the initcall to > set_io_port_base() and ioremap(), which are in my setup.c (copied from > linux/arch/mips/gt64120/momenco_ocelot/setup.c and modified). Without > that bit of code at the bottom of that function, I don't even get > this -- it just crashes. So I know I need this code, but I'm just not > certain what/how I should be using it... > > My initial guess is that it's used to map some virtual address space > onto the physical addresses needed to actually generate PCI I/O > transactions, but that's just a guess. If that's right, then the code > I'm using _should_ work... I call ioremap() with the physical base and > size, and then set_io_port_base() using the result of ioremap(). That is exactly the intended use. Ralf
