/* * This file is part of the coreboot project. * * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org> * Copyright (C) 2013 Vladimir Serbinenko <phcoder@gmail.com> * * 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. */ #define __SIMPLE_DEVICE__ #include <console/console.h> #include <arch/io.h> #include <device/pci_ops.h> #include <device/device.h> #include <device/pci.h> #include "dock.h" #include <southbridge/intel/ibexpeak/pch.h> #include <ec/lenovo/h8/h8.h> #include <ec/acpi/ec.h> void h8_mainboard_init_dock (void) { if (dock_present()) { printk(BIOS_DEBUG, "dock is connected\n"); dock_connect(); } else printk(BIOS_DEBUG, "dock is not connected\n"); } void dock_connect(void) { u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc; ec_set_bit(0x02, 0); ec_set_bit(0x1a, 0); ec_set_bit(0xfe, 4); outl(inl(gpiobase + 0x0c) | (1 << 28), gpiobase + 0x0c); } void dock_disconnect(void) { u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc; ec_clr_bit(0x02, 0); ec_clr_bit(0x1a, 0); ec_clr_bit(0xfe, 4); outl(inl(gpiobase + 0x0c) & ~(1 << 28), gpiobase + 0x0c); } int dock_present(void) { u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc; u8 st = inb(gpiobase + 0x0c); return ((st >> 3) & 7) != 7; }