diff options
| -rw-r--r-- | arch/ia64/configs/sn2_defconfig | 4 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/iomv.c | 6 | ||||
| -rw-r--r-- | arch/ia64/sn/kernel/setup.c | 16 |
3 files changed, 18 insertions, 8 deletions
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig index 487d2e36b0a..c0561398030 100644 --- a/arch/ia64/configs/sn2_defconfig +++ b/arch/ia64/configs/sn2_defconfig @@ -99,7 +99,7 @@ CONFIG_ACPI_DEALLOCATE_IRQ=y # Firmware Drivers # CONFIG_EFI_VARS=y -# CONFIG_EFI_PCDP is not set +CONFIG_EFI_PCDP=y CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_MISC is not set @@ -650,7 +650,7 @@ CONFIG_MMTIMER=y # # Console display driver support # -# CONFIG_VGA_CONSOLE is not set +CONFIG_VGA_CONSOLE=y CONFIG_DUMMY_CONSOLE=y # diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c index fec6d8b8237..7ce3cdad627 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; diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 44bfc7f318c..3e5ba34ac2e 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -36,6 +36,7 @@ #include <asm/machvec.h> #include <asm/system.h> #include <asm/processor.h> +#include <asm/vga.h> #include <asm/sn/arch.h> #include <asm/sn/addrs.h> #include <asm/sn/pda.h> @@ -273,14 +274,17 @@ void __init sn_setup(char **cmdline_p) ia64_sn_plat_set_error_handling_features(); +#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) /* - * If the generic code has enabled vga console support - lets - * get rid of it again. This is a kludge for the fact that ACPI - * currtently has no way of informing us if legacy VGA is available - * or not. + * If there was a primary vga adapter identified through the + * EFI PCDP table, make it the preferred console. Otherwise + * zero out conswitchp. */ -#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) - if (conswitchp == &vga_con) { + + if (vga_console_membase) { + /* usable vga ... make tty0 the preferred default console */ + add_preferred_console("tty", 0, NULL); + } else { printk(KERN_DEBUG "SGI: Disabling VGA console\n"); #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; |