Messages in this thread | | | Subject | Re: Accessing MMIO PCI space - crossplatform | From | Jes Sorensen <> | Date | 13 Nov 1998 10:54:28 +0100 |
| |
>>>>> "Jakub" == Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> writes:
Jakub> On SPARC64 particularly, ioremap is a nop, as all RAM and all Jakub> I/O memory is mapped all the time at PAGE_OFFSET+PA, in case of Jakub> I/O memory non-cacheable with side-effects. So don't care Jakub> about sparc64 very much in decisions about ioremap (and about Jakub> sparc32 neither, as I guess you cannot have a matroxfb in a Jakub> JavaStation).
On the m68k we don't use ioremap() but rather something called kernel_map() which has a much more flexible interface.
Jes
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |