9b90824a1f
Current problems: - Complete lack of EC support (no battery indicator, no temperature, ...) - No audio support Change-Id: I25d09629dd82e01fadca2b6c25f72aaf08eafae1 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Signed-off-by: Axel Holewa <mono@posteo.de> Reviewed-on: http://review.coreboot.org/5321 Tested-by: build bot (Jenkins)
91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2007-2009 coresystems GmbH
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* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <arch/io.h>
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#include <delay.h>
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#include <device/pci_def.h>
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#include <device/pci_ops.h>
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#include <device/pci_ids.h>
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#include <arch/io.h>
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#include <arch/interrupt.h>
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#include <northbridge/intel/i945/i945.h>
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#include <pc80/mc146818rtc.h>
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#include <arch/x86/include/arch/acpigen.h>
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#include <smbios.h>
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#include <x86emu/x86emu.h>
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#define PANEL INT15_5F35_CL_DISPLAY_DEFAULT
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#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
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static int int15_handler(void)
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{
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/* The right way to do this is to move this handler code into
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* the mainboard or northbridge code.
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* TODO: completely move to mainboards / chipsets.
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*/
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printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
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__func__, X86_AX, X86_BX, X86_CX, X86_DX);
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switch (X86_AX) {
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case 0x5f35: /* Boot Display */
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X86_AX = 0x005f; // Success
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X86_CL = PANEL;
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break;
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case 0x5f40: /* Boot Panel Type */
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X86_AX = 0x005f; // Success
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X86_CL = 3;
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printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL);
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break;
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default:
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/* Interrupt was not handled */
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printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
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return 0;
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}
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/* Interrupt handled */
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return 1;
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}
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#endif
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int get_cst_entries(acpi_cstate_t **entries)
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{
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return 0;
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}
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static void mainboard_init(device_t dev)
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{
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#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
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/* Install custom int15 handler for VGA OPROM */
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mainboard_interrupt_handlers(0x15, &int15_handler);
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#endif
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}
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static void mainboard_enable(device_t dev)
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{
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dev->ops->init = mainboard_init;
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}
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struct chip_operations mainboard_ops = {
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.enable_dev = mainboard_enable,
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};
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