| /* |
| * 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/device.h> |
| #include <device/pci.h> |
| #include <delay.h> |
| #include "dock.h" |
| #include "southbridge/intel/i82801ix/i82801ix.h" |
| #include "ec/lenovo/h8/h8.h" |
| #include <ec/acpi/ec.h> |
| |
| #define LPC_DEV PCI_DEV(0, 0x1f, 0) |
| |
| 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(LPC_DEV, D31F0_GPIO_BASE) & 0xfffc; |
| ec_set_bit(0x02, 0); |
| outl(inl(gpiobase + 0x0c) | (1 << 28), gpiobase + 0x0c); |
| } |
| |
| void dock_disconnect(void) |
| { |
| u16 gpiobase = pci_read_config16(LPC_DEV, D31F0_GPIO_BASE) & 0xfffc; |
| ec_clr_bit(0x02, 0); |
| outl(inl(gpiobase + 0x0c) & ~(1 << 28), gpiobase + 0x0c); |
| } |
| |
| int dock_present(void) |
| { |
| u16 gpiobase = pci_read_config16(LPC_DEV, D31F0_GPIO_BASE) & 0xfffc; |
| u8 st = inb(gpiobase + 0x0c); |
| |
| return ((st >> 2) & 7) != 7; |
| } |