| /* |
| * 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 <device/device.h> |
| #include <arch/io.h> |
| #include <arch/interrupt.h> |
| #include <delay.h> |
| #if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN |
| #include <x86emu/x86emu.h> |
| #endif |
| |
| #include <ec/acpi/ec.h> |
| #include "m3885.h" |
| |
| #define DUMP_RUNTIME_REGISTERS 0 |
| |
| static void backlight_enable(void) |
| { |
| #if 0 |
| // Disabled, don't let the X9511 burn out |
| int i; |
| |
| /* P56 is Brightness Up, and it needs a Pulse instead of a |
| * Level |
| */ |
| for (i=0; i < 28; i++) { |
| //m3885_gpio(M3885_GPIO_PULSE|M3885_GPIO_SET|M3885_GPIO_P56); |
| m3885_gpio(M3885_GPIO_PULSE|M3885_GPIO_TOGGLE|M3885_GPIO_P56); |
| } |
| #endif |
| printk(BIOS_DEBUG, "Display I/O: 0x%02x\n", inb(0x60f)); |
| } |
| |
| #define BOOT_DISPLAY_DEFAULT 0 |
| #define BOOT_DISPLAY_CRT (1 << 0) |
| #define BOOT_DISPLAY_TV (1 << 1) |
| #define BOOT_DISPLAY_EFP (1 << 2) |
| #define BOOT_DISPLAY_LCD (1 << 3) |
| #define BOOT_DISPLAY_CRT2 (1 << 4) |
| #define BOOT_DISPLAY_TV2 (1 << 5) |
| #define BOOT_DISPLAY_EFP2 (1 << 6) |
| #define BOOT_DISPLAY_LCD2 (1 << 7) |
| |
| #if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN |
| static int int15_handler(void) |
| { |
| /* This int15 handler is Intel IGD. specific. Other chipsets need other |
| * handlers. The right way to do this is to move this handler code into |
| * the mainboard or northbridge code. |
| * TODO: completely move to mainboards / chipsets. |
| */ |
| u8 display_id; |
| |
| printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", |
| __func__, X86_AX, X86_BX, X86_CX, X86_DX); |
| |
| switch (X86_AX) { |
| case 0x5f35: /* Boot Display */ |
| X86_AX = 0x005f; // Success |
| X86_CL = BOOT_DISPLAY_DEFAULT; |
| break; |
| case 0x5f40: /* Boot Panel Type */ |
| /* LCD panel type is SIO GPIO40-43 */ |
| // display_id = inb(0x60f) & 0x0f; |
| display_id = 3; |
| // M.x86.R_AX = 0x015f; // Supported but failed |
| X86_AX = 0x005f; // Success |
| X86_CL = display_id; |
| printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL); |
| break; |
| default: |
| /* Interrupt was not handled */ |
| printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX); |
| return 0; |
| } |
| |
| /* Interrupt handled */ |
| return 1; |
| } |
| #endif |
| |
| #if DUMP_RUNTIME_REGISTERS |
| static void dump_runtime_registers(void) |
| { |
| int i; |
| |
| printk(BIOS_DEBUG, "SuperIO runtime register block:\n"); |
| for (i=0; i<0x10; i++) |
| printk(BIOS_DEBUG, "%02x ", i); |
| printk(BIOS_DEBUG, "\n"); |
| for (i=0; i<0x10; i++) |
| printk(BIOS_DEBUG, "%02x ", inb(0x600 +i)); |
| printk(BIOS_DEBUG, "\n"); |
| } |
| #endif |
| |
| static void mainboard_enable(device_t dev) |
| { |
| /* Configure the MultiKey controller */ |
| // m3885_configure_multikey(); |
| |
| /* Enable LCD Backlight */ |
| backlight_enable(); |
| |
| /* Disable Dummy DCC -> GP45 = 1 */ |
| outb(inb(0x60f) | (1 << 5), 0x60f); |
| |
| #if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN |
| /* Install custom int15 handler for VGA OPROM */ |
| mainboard_interrupt_handlers(0x15, &int15_handler); |
| #endif |
| #if DUMP_RUNTIME_REGISTERS |
| dump_runtime_registers(); |
| #endif |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .enable_dev = mainboard_enable, |
| }; |
| |