66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
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* Copyright (C) 2013 Vladimir Serbinenko <phcoder@gmail.com>
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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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#define __SIMPLE_DEVICE__
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#include <console/console.h>
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#include <arch/io.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <delay.h>
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#include "dock.h"
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#include "southbridge/intel/i82801ix/i82801ix.h"
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#include "ec/lenovo/h8/h8.h"
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#include <ec/acpi/ec.h>
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#define LPC_DEV PCI_DEV(0, 0x1f, 0)
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void h8_mainboard_init_dock (void)
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{
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if (dock_present()) {
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printk(BIOS_DEBUG, "dock is connected\n");
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dock_connect();
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} else
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printk(BIOS_DEBUG, "dock is not connected\n");
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}
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void dock_connect(void)
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{
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ec_set_bit(0x02, 0);
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ec_set_bit(0x1a, 0);
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ec_set_bit(0xfe, 4);
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}
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void dock_disconnect(void)
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{
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ec_clr_bit(0x02, 0);
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ec_clr_bit(0x1a, 0);
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ec_clr_bit(0xfe, 4);
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}
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int dock_present(void)
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{
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u16 gpiobase = pci_read_config16(LPC_DEV, D31F0_GPIO_BASE) & 0xfffc;
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u8 st = inb(gpiobase + 0x0c);
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return !((st >> 3) & 1);
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}
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