Re: [ppopov@mvista.com: Re: [Linux-mips-kernel]ioremap & ISA]

[Ralf Baechle <ralf@oss.sgi.com>]

On Wed, Dec 19, 2001 at 10:34:37AM +0100, Geert Uytterhoeven wrote:

> > >         set_io_port_base(0xb4000000);
> > >         isa_slot_offset = 0xb0000000;
> > 
> > I see.  So isa_slot_offset is for isa_read/isa_write, although I still don't
> > see what kind of drivers would use isa_read/isa_write.
> 
> E.g. VGA and ISA NVRAM.

Correct.  And much much more, the whole PC insanity.  There are plenty of
MIPS systems that are essentially PCs with a MIPS CPU glued on so you get
all the fun, ISA, EISA, VLB etc.  Barf bag technology.

  Ralf