coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
chromeos.c
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <bootmode.h>
4 #include <boot/coreboot_tables.h>
7 #include <types.h>
8 #include <vendorcode/google/chromeos/chromeos.h>
9 #include "onboard.h"
10 
11 void fill_lb_gpios(struct lb_gpios *gpios)
12 {
13  struct lb_gpio chromeos_gpios[] = {
14  {-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
15  {-1, ACTIVE_HIGH, 0, "power"},
16  {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
17  };
18  lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
19 }
20 
22 {
23  return get_gpio(GPIO_SPI_WP);
24 }
25 
26 static const struct cros_gpio cros_gpios[] = {
27  CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
28  CROS_GPIO_WP_AH(GPIO_SPI_WP, CROS_GPIO_DEVICE_NAME),
29 };
31 
33 {
34  /* EC is trusted if not in RW. */
35  return !get_gpio(14);
36 }
void fill_lb_gpios(struct lb_gpios *gpios)
Definition: chromeos.c:9
int get_write_protect_state(void)
Only used if CONFIG(CHROMEOS) is set.
Definition: chromeos.c:15
int gfx_get_init_done(void)
Definition: bootmode.c:10
#define ARRAY_SIZE(a)
Definition: helpers.h:12
DECLARE_CROS_GPIOS(cros_gpios)
int get_ec_is_trusted(void)
Definition: chromeos.c:25
#define GPIO_SPI_WP
Definition: onboard.h:23
int get_lid_switch(void)
Definition: chromeos.c:37
#define ACTIVE_HIGH
Definition: chromeos.c:18
static const struct cros_gpio cros_gpios[]
Definition: chromeos.c:26
int get_gpio(int community_base, int pad0_offset)
Definition: gpio_support.c:148
void lb_add_gpios(struct lb_gpios *gpios, const struct lb_gpio *gpio_table, size_t count)
#define CROS_GPIO_DEVICE_NAME
Definition: gpio.h:14