Calculating virtual address from physical address

[Josh Boyer]

On Fri, 2006-05-05 at 13:24 -0700, Matt Porter wrote:
> 
> There are no BATs on 4xx. However, the same conceptual thing can be
> done by wiring a fixed TLB entry to cover those LEDs temporarily
> during bringup debug.  The temporary TLB entry will be wiped out by
> normal tlb misses after things are running whenever the fixed entry
> is clobbered by the round robin replacement.

At which point you should be able to call ioremap to generate a virtual
address inside a device driver or board file.

josh