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
|
/*
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <boot/coreboot_tables.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include "../qemu-i440fx/fw_cfg.h"
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{-1, ACTIVE_HIGH, 1, "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
{-1, ACTIVE_HIGH, 0, "EC in RW"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_write_protect_state(void)
{
return 0;
}
/*
* Enable recovery mode with fw_cfg option to qemu:
* -fw_cfg name=opt/cros/recovery,string=1
*/
int get_recovery_mode_switch(void)
{
FWCfgFile f;
if (!fw_cfg_check_file(&f, "opt/cros/recovery")) {
uint8_t rec_mode;
if (f.size != 1) {
printk(BIOS_ERR, "opt/cros/recovery invalid size %d\n", f.size);
return 0;
}
fw_cfg_get(f.select, &rec_mode, f.size);
if (rec_mode == '1') {
printk(BIOS_INFO, "Recovery is enabled.\n");
return 1;
}
}
return 0;
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, "QEMU"),
};
void mainboard_chromeos_acpi_generate(void)
{
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
|
