Jason R Thorpe <thorpej@wasabisystems.com>  wrote:
 >  > sacom0 at saip0 addr 0xd000d000-0xd000d023 intr 17
 >  > sacom0: unknown SA11x0 UART
 > 
 > Well, considering that the UARTs are built-in to the companion chip,
 > I'm kind of wondering why they're at a different address on the Jornada.

I don't really know anything about the companion chip or the SA1100;
but I just assumed they could be moved anywhere in the address space
by some chip-select registers a'la 68332/68340 or whatever.

 > ...is something using a virtual address when it should be using a
 > physical address?

<shrug>