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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
* Copyright 2014 Google Inc.
*
* 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.
*/
#include <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <soc/pm.h>
#include <soc/smm.h>
#include <elog.h>
#include <ec/google/chromeec/ec.h>
#include <soc/gpio.h>
#include <soc/iomap.h>
#include <soc/nvs.h>
#include <soc/pm.h>
#include <soc/smm.h>
#include <superio/ite/it8772f/it8772f.h>
#include "onboard.h"
int mainboard_io_trap_handler(int smif)
{
switch (smif) {
case 0x99:
printk(BIOS_DEBUG, "Sample\n");
smm_get_gnvs()->smif = 0;
break;
default:
return 0;
}
/* On success, the IO Trap Handler returns 0
* On failure, the IO Trap Handler returns a value != 0
*
* For now, we force the return value to 0 and log all traps to
* see what's going on.
*/
return 1;
}
/* gpi_sts is GPIO 47:32 */
void mainboard_smi_gpi(u32 gpi_sts)
{
}
void mainboard_smi_sleep(u8 slp_typ)
{
/* Disable USB charging if required */
switch (slp_typ) {
case 3:
it8772f_gpio_led(IT8772F_GPIO_DEV, 1 /* set */, 0x01 /* select */,
0x01 /* polarity */, 0x01 /* 1=pullup */,
0x01 /* output */, 0x00, /* 0=Alternate function */
SIO_GPIO_BLINK_GPIO10, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
case 5:
it8772f_gpio_led(IT8772F_GPIO_DEV, 1 /* set */, 0x01 /* select */,
0x00 /* polarity: non-inverting */, 0x00 /* 0=pulldown */,
0x01 /* output */, 0x01 /* 1=Simple IO function */,
SIO_GPIO_BLINK_GPIO10, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
default:
break;
}
return;
}
int mainboard_smi_apmc(u8 apmc)
{
switch (apmc) {
case APM_CNT_ACPI_ENABLE:
break;
case APM_CNT_ACPI_DISABLE:
break;
}
return 0;
}
|
