diff options
Diffstat (limited to 'src/northbridge/via/vt8623/vga.c')
| -rw-r--r-- | src/northbridge/via/vt8623/vga.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/src/northbridge/via/vt8623/vga.c b/src/northbridge/via/vt8623/vga.c deleted file mode 100644 index 7ed279272b..0000000000 --- a/src/northbridge/via/vt8623/vga.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <console/console.h> -#include <arch/io.h> -#include <stdint.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <stdlib.h> -#include <string.h> -#include <cpu/cpu.h> -#include <cpu/x86/mtrr.h> -#include <cpu/x86/msr.h> -#include <arch/interrupt.h> -#include <x86emu/regs.h> -#if CONFIG_PCI_OPTION_ROM_RUN_REALMODE -#include <device/oprom/realmode/x86.h> -#endif - -static int via_vt8623_int15_handler(void) -{ - int res=0; - printk(BIOS_DEBUG, "via_vt8623_int15_handler\n"); - switch(X86_EAX & 0xffff) { - case 0x5f19: - break; - case 0x5f18: - X86_EAX=0x5f; - X86_EBX=0x545; // MCLK = 133, 32M frame buffer, 256 M main memory - X86_ECX=0x060; - res=1; - break; - case 0x5f00: - X86_EAX = 0x8600; - break; - case 0x5f01: - X86_EAX = 0x5f; - X86_ECX = (X86_ECX & 0xffffff00 ) | 2; // panel type = 2 = 1024 * 768 - res = 1; - break; - case 0x5f02: - X86_EAX=0x5f; - X86_EBX= (X86_EBX & 0xffff0000) | 2; - X86_ECX= (X86_ECX & 0xffff0000) | 0x401; // PAL + crt only - X86_EDX= (X86_EDX & 0xffff0000) | 0; // TV Layout - default - res=1; - break; - case 0x5f0f: - X86_EAX=0x860f; - break; - default: - printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", - X86_EAX & 0xffff); - break; - } - return res; -} - -#ifdef UNUSED_CODE -static void write_protect_vgabios(void) -{ - device_t dev; - - printk(BIOS_DEBUG, "write_protect_vgabios\n"); - - dev = dev_find_device(PCI_VENDOR_ID_VIA, 0x3122, 0); - if (dev) - pci_write_config8(dev, 0x61, 0xaa); - - dev = dev_find_device(PCI_VENDOR_ID_VIA, 0x3123, 0); - if (dev) - pci_write_config8(dev, 0x61, 0xaa); -} -#endif - -static void vga_random_fixup(device_t dev) -{ - printk(BIOS_DEBUG, "VGA random fixup ...\n"); - pci_write_config8(dev, 0x04, 0x07); - pci_write_config8(dev, 0x0d, 0x20); - pci_write_config32(dev,0x10,0xd8000008); - pci_write_config32(dev,0x14,0xdc000000); -} - -static void vga_enable_console(void) -{ -#if CONFIG_PCI_OPTION_ROM_RUN_REALMODE - /* 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, 0x4f14, 0x8003, 0x0001, 0x0000, 0x0000, 0x0000); -#endif -} - -static void vga_init(device_t dev) -{ - vga_random_fixup(dev); - - mainboard_interrupt_handlers(0x15, &via_vt8623_int15_handler); - -#ifdef MEASURE_VGA_INIT_TIME - msr_t clocks1, clocks2, instructions, setup; - - // set up performnce counters for debugging vga init sequence - setup.lo = 0x1c0; // count instructions - wrmsr(0x187,setup); - instructions.hi = 0; - instructions.lo = 0; - wrmsr(0xc2,instructions); - clocks1 = rdmsr(0x10); -#endif - printk(BIOS_DEBUG, "Initializing VGA...\n"); - - pci_dev_init(dev); - - printk(BIOS_DEBUG, "Enable VGA console\n"); - vga_enable_console(); - -#ifdef MEASURE_VGA_INIT_TIME - clocks2 = rdmsr(0x10); - instructions = rdmsr(0xc2); - - printk(BIOS_DEBUG, "Clocks 1 = %08x:%08x\n",clocks1.hi,clocks1.lo); - printk(BIOS_DEBUG, "Clocks 2 = %08x:%08x\n",clocks2.hi,clocks2.lo); - printk(BIOS_DEBUG, "Instructions = %08x:%08x\n",instructions.hi,instructions.lo); -#endif - - pci_write_config32(dev, 0x30, 0); - -#if 0 - /* Set the vga mtrrs - disable for the moment as the add_var_mtrr function has vapourised */ - unsigned long fb; - add_var_mtrr( 0xd0000000 >> 10, 0x08000000>>10, MTRR_TYPE_WRCOMB); - fb = pci_read_config32(dev,0x10); // get the fb address - add_var_mtrr( fb>>10, 8192, MTRR_TYPE_WRCOMB); -#endif -} - -static struct device_operations vga_operations = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = vga_init, - .ops_pci = 0, -}; - -static const struct pci_driver vga_driver __pci_driver = { - .ops = &vga_operations, - .vendor = PCI_VENDOR_ID_VIA, - .device = 0x3122, -}; |