aboutsummaryrefslogtreecommitdiffstats
path: root/src/mainboard/lenovo/x200/smihandler.c
blob: 24fd1186523f36859bbd19ec3b1a4b48be3e6a77 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2008-2009 coresystems GmbH
 *
 * 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 <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <southbridge/intel/i82801ix/nvs.h>
#include <southbridge/intel/i82801ix/i82801ix.h>
#include <ec/acpi/ec.h>

void mainboard_smi_gpi(u32 gpi_sts)
{
	if (gpi_sts & (1 << 1)) {
		printk(BIOS_DEBUG, "EC/SMI\n");
		/* TODO */
	}
}

int mainboard_smi_apmc(u8 apmc)
{
	switch (apmc) {
	case APM_CNT_ACPI_ENABLE:
		send_ec_command(0x05); /* Set_SMI_Disable */
		send_ec_command(0xaa); /* Set_ACPI_Enable */
		break;

	case APM_CNT_ACPI_DISABLE:
		send_ec_command(0x04); /* Set_SMI_Enable */
		send_ec_command(0xab); /* Set_ACPI_Disable */
		break;
	}
	return 0;
}