diff options
| author | Mark Maule <maule@sgi.com> | 2005-04-26 08:01:00 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-06-28 09:23:04 -0700 |
| commit | a9f9de7378e3a81f7266f542f2290399a298ef52 (patch) | |
| tree | f88da35e16834984a43b79c66cb8ea3918944271 /arch/ia64/sn/kernel/iomv.c | |
| parent | 66b7f8a30437b8639e798f7db8e9be1da5711efa (diff) | |
[IA64-SGI] altix: enable vgacon support
Altix patch to enable use of vgacon driver on that platform. Depends on the
PCDP generalization patch discussed at:
http://marc.theaimsgroup.com/?l=linux-ia64&m=111446235101939&w=2
Signed-off-by: Mark Maule <maule@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn/kernel/iomv.c')
| -rw-r--r-- | arch/ia64/sn/kernel/iomv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c index fec6d8b8237b..7ce3cdad627b 100644 --- a/arch/ia64/sn/kernel/iomv.c +++ b/arch/ia64/sn/kernel/iomv.c @@ -9,12 +9,16 @@ #include <linux/module.h> #include <asm/io.h> #include <asm/delay.h> +#include <asm/vga.h> #include <asm/sn/nodepda.h> #include <asm/sn/simulator.h> #include <asm/sn/pda.h> #include <asm/sn/sn_cpuid.h> #include <asm/sn/shub_mmr.h> +#define IS_LEGACY_VGA_IOPORT(p) \ + (((p) >= 0x3b0 && (p) <= 0x3bb) || ((p) >= 0x3c0 && (p) <= 0x3df)) + /** * sn_io_addr - convert an in/out port to an i/o address * @port: port to convert @@ -26,6 +30,8 @@ void *sn_io_addr(unsigned long port) { if (!IS_RUNNING_ON_SIMULATOR()) { + if (IS_LEGACY_VGA_IOPORT(port)) + port += vga_console_iobase; /* On sn2, legacy I/O ports don't point at anything */ if (port < (64 * 1024)) return NULL; |