diff options
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; |