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
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <baseboard/gpio.h>
#include <boardid.h>
#include <bootmode.h>
#include <boot/coreboot_tables.h>
#include <gpio.h>
#include <types.h>
#include <vendorcode/google/chromeos/chromeos.h>
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
{GPIO_EC_IN_RW, ACTIVE_HIGH, gpio_get(GPIO_EC_IN_RW), "EC in RW"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_DEVICE_NAME),
CROS_GPIO_WP_AL(CROS_WP_GPIO, GPIO_DEVICE_NAME),
};
const struct cros_gpio *variant_cros_gpios(size_t *num)
{
*num = ARRAY_SIZE(cros_gpios);
return cros_gpios;
}
int get_ec_is_trusted(void)
{
/* Board versions 1 & 2 support H1 DB, but the EC_IN_RW signal is not
routed. So emulate EC is trusted. */
if (CONFIG(BOARD_GOOGLE_GUYBRUSH) &&
(board_id() == UNDEFINED_STRAPPING_ID || board_id() < 3))
return 1;
/* EC is trusted if not in RW. */
return !gpio_get(GPIO_EC_IN_RW);
}
|