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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
*
* 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
*/
#include <console/console.h>
#include <device/device.h>
#include <arch/io.h>
#include <boot/tables.h>
#include <delay.h>
#include <arch/coreboot_tables.h>
#include "chip.h"
#include <device/pci_def.h>
#include <device/pci_ops.h>
#include <arch/io.h>
#include <ec/lenovo/pmh7/pmh7.h>
#include <ec/acpi/ec.h>
#include <northbridge/intel/i945/i945.h>
static void backlight_enable(void)
{
pmh7_register_set_bit(0x50, 5);
}
static void trackpoint_enable(void)
{
ec_write(0x0b, 0x03);
}
static void wlan_enable(void)
{
ec_write(0x3a, 0x20);
}
static void mainboard_enable(device_t dev)
{
unsigned char ecfw[9], c;
u16 fwvh, fwvl;
device_t dev0;
int i;
for(i = 0; i < 8; i++) {
c = ec_read(0xf0 + i);
if (c < 0x20 || c > 0x7f)
break;
ecfw[i] = c;
}
ecfw[i] = '\0';
fwvh = ec_read(0xe9);
fwvl = ec_read(0xe8);
printk(BIOS_INFO, "EC Firmware ID %s, Version %d.%d%d%c\n", ecfw,
fwvh >> 4, fwvh & 0x0f, fwvl >> 4, 0x41 + (fwvl & 0xf));
backlight_enable();
trackpoint_enable();
/* FIXME: this should be ACPI's task
* but for now, enable it here */
wlan_enable();
/* enable ACPI events */
ec_write(0x00, 0xa6);
ec_write(0x01, 0x05);
ec_write(0x02, 0xa0);
ec_write(0x03, 0x05);
/* set mask of enabled beeps */
ec_write(0x04, 0xfe);
ec_write(0x05, 0x96);
/* Unknown, but required for hotkeys
Maybe a mask for enabled keys? */
ec_write(0x12, 0xff);
ec_write(0x13, 0xff);
ec_write(0x14, 0xf4);
ec_write(0x15, 0x3c);
/* enable Audio */
ec_clr_bit(0x3a, 0);
/* If we're resuming from suspend, blink suspend LED */
dev0 = dev_find_slot(0, PCI_DEVFN(0,0));
if (dev0 && pci_read_config32(dev0, SKPAD) == 0xcafed00d)
ec_write(0x0c, 0xc7);
}
struct chip_operations mainboard_ops = {
CHIP_NAME(CONFIG_MAINBOARD_VENDOR " " CONFIG_MAINBOARD_PART_NUMBER)
.enable_dev = mainboard_enable,
};
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