On Wed, Dec 18, 2002 at 02:07:45PM +0600, Claudia Salzberg wrote: > Greetings. > How does one go about aquiring the 36-bit physical address on a 440XX if > you have the corresponding va from an ioremap (when your driver is not > the one that did the ioremap so that you don't have the pa saved)? ?I see > that ioremap does support 36-bit I/O mapping but _va and _pa only play > with unsigned long's. ?So does iopa. ?So do the virt_to_* 's I was able > to find. ?Also, does anyone have plans for incorporating memory access > hooks above 4GB address space?
Erm. Have you looked at the code in the linuxppc_2_4_devel tree? I believe all of these issues have already been addressed. -- Tom Rini (TR1265) http://gate.crashing.org/~trini/ ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
