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/*
* 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 <types.h>
#include <device/device.h>
#include <console/console.h>
#if CONFIG_VGA_ROM_RUN
#include <x86emu/x86emu.h>
#endif
#include <pc80/mc146818rtc.h>
#include <arch/io.h>
#include <arch/interrupt.h>
#include "superio_hwm.h"
#if CONFIG_VGA_ROM_RUN
static int int15_handler(void)
{
#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)
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 */
// M.x86.R_AX = 0x015f; // Supported but failed
X86_AX = 0x005f; // Success
X86_CL = 3; // Display ID
break;
default:
/* Interrupt was not handled */
return 0;
}
/* Interrupt handled */
return 1;
}
#endif
/* Audio Setup */
extern u32 * cim_verb_data;
extern u32 cim_verb_data_size;
static void verb_setup(void)
{
// Default VERB is fine on this mainboard.
cim_verb_data = NULL;
cim_verb_data_size = 0;
}
// mainboard_enable is executed as first thing after
// enumerate_buses().
static void mainboard_enable(device_t dev)
{
#if CONFIG_VGA_ROM_RUN
/* Install custom int15 handler for VGA OPROM */
mainboard_interrupt_handlers(0x15, &int15_handler);
#endif
verb_setup();
hwm_setup();
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
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