From 9bf05de5ab2842fc83cea8da5e9058417fc4bc24 Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Thu, 14 Nov 2013 19:11:19 +0100 Subject: lenovo/x201: Add support for Lenovo X201 (Calpella-based laptop) Was extensively tested on my X201. More info on the wiki Change-Id: I503d77749780422e446b48224ca98a1f22a2c180 Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/4514 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc --- src/mainboard/lenovo/x201/dock.c | 63 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/mainboard/lenovo/x201/dock.c (limited to 'src/mainboard/lenovo/x201/dock.c') diff --git a/src/mainboard/lenovo/x201/dock.c b/src/mainboard/lenovo/x201/dock.c new file mode 100644 index 0000000000..fbcf99e76a --- /dev/null +++ b/src/mainboard/lenovo/x201/dock.c @@ -0,0 +1,63 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Sven Schnelle + * Copyright (C) 2013 Vladimir Serbinenko + * + * 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 + */ + +#define __SIMPLE_DEVICE__ +#include +#include +#include +#include +#include +#include "dock.h" +#include "southbridge/intel/ibexpeak/pch.h" +#include "ec/lenovo/h8/h8.h" +#include + +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) +{ + ec_set_bit(0x02, 0); + ec_set_bit(0x1a, 0); + ec_set_bit(0xfe, 4); +} + +void dock_disconnect(void) +{ + ec_clr_bit(0x02, 0); + ec_clr_bit(0x1a, 0); + ec_clr_bit(0xfe, 4); +} + +int dock_present(void) +{ + u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc; + u8 st = inb(gpiobase + 0x0c); + + return !((st >> 3) & 1); +} -- cgit v1.2.3