blob: 080b3596e9fcdf4793c0fd38a8f3cbec26a03f8d (
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
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
|
/*
* This file is part of the coreboot project.
*
*
* 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 <bootmode.h>
#include <ec/google/chromeec/ec.h>
#include <elog.h>
#if CONFIG(EC_GOOGLE_CHROMEEC_LPC)
int get_lid_switch(void)
{
if (!CONFIG(VBOOT_LID_SWITCH))
return -1;
return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN);
}
#endif
int get_recovery_mode_switch(void)
{
/* Check for dedicated recovery switch first. */
if (CONFIG(EC_GOOGLE_CHROMEEC_LPC) &&
(google_chromeec_get_switches() & EC_SWITCH_DEDICATED_RECOVERY))
return 1;
/* Check if the EC has posted the keyboard recovery event. */
return !!(google_chromeec_get_events_b() &
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
}
int get_recovery_mode_retrain_switch(void)
{
/*
* Check if the EC has posted the keyboard recovery event with memory
* retrain.
*/
return !!(google_chromeec_get_events_b() &
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT));
}
static void elog_add_recovery_mode_switch_event(void)
{
uint64_t events = google_chromeec_get_events_b();
uint8_t event_byte = EC_HOST_EVENT_KEYBOARD_RECOVERY;
if (!(events & EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY)))
return;
if (events & EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT))
event_byte = EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT;
elog_add_event_byte(ELOG_TYPE_EC_EVENT, event_byte);
}
int clear_recovery_mode_switch(void)
{
/* Log elog event before clearing */
elog_add_recovery_mode_switch_event();
/* Clear all host event bits requesting recovery mode. */
return google_chromeec_clear_events_b(
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY) |
EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT));
}
|
