diff options
Diffstat (limited to 'src/northbridge/via/vt8623')
-rw-r--r-- | src/northbridge/via/vt8623/northbridge.h | 4 | ||||
-rw-r--r-- | src/northbridge/via/vt8623/vga.c | 18 |
2 files changed, 16 insertions, 6 deletions
diff --git a/src/northbridge/via/vt8623/northbridge.h b/src/northbridge/via/vt8623/northbridge.h index b3a2e75f15..9c0828741c 100644 --- a/src/northbridge/via/vt8623/northbridge.h +++ b/src/northbridge/via/vt8623/northbridge.h @@ -2,7 +2,7 @@ #define NORTHBRIDGE_VIA_VT8623_H unsigned int vt8623_scan_root_bus(device_t root, unsigned int max); -extern void (*vga_enable_console)(void) __attribute__((regparm(0))); -void write_protect_vgabios(void); +extern void (*realmode_interrupt)(u32 intno, u32 eax, u32 ebx, u32 ecx, u32 edx, + u32 esi, u32 edi) __attribute__((regparm(0))); #endif /* NORTHBRIDGE_VIA_VT8623_H */ diff --git a/src/northbridge/via/vt8623/vga.c b/src/northbridge/via/vt8623/vga.c index 78ffe0aa94..eb780cafe7 100644 --- a/src/northbridge/via/vt8623/vga.c +++ b/src/northbridge/via/vt8623/vga.c @@ -72,7 +72,8 @@ static int via_vt8623_int15_handler(struct eregs *regs) return res; } -void write_protect_vgabios(void) +#ifdef UNUSED_CODE +static void write_protect_vgabios(void) { device_t dev; @@ -86,6 +87,7 @@ void write_protect_vgabios(void) if (dev) pci_write_config8(dev, 0x61, 0xaa); } +#endif static void vga_random_fixup(device_t dev) { @@ -96,6 +98,17 @@ static void vga_random_fixup(device_t dev) pci_write_config32(dev,0x14,0xdc000000); } +static void vga_enable_console(void) +{ + /* Call VGA BIOS int10 function 0x4f14 to enable main console + * Epia-M does not always autosense the main console so forcing + * it on is good. + */ + + /* int#, EAX, EBX, ECX, EDX, ESI, EDI */ + realmode_interrupt(0x10, 0x4f1f, 0x8003, 0x0001, 0x0000, 0x0000, 0x0000); +} + static void vga_init(device_t dev) { vga_random_fixup(dev); @@ -118,9 +131,6 @@ static void vga_init(device_t dev) pci_dev_init(dev); printk(BIOS_DEBUG, "Enable VGA console\n"); - // this is how it should look: - // call_bios_interrupt(0x10,0x4f1f,0x8003,1,0); - // this is how it looks: vga_enable_console(); #ifdef MEASURE_VGA_INIT_TIME |