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 <baseboard/gpio.h>
4 #include <bootmode.h>
5 #include <boot/coreboot_tables.h>
6 #include <gpio.h>
7 #include <types.h>
8 
9 void fill_lb_gpios(struct lb_gpios *gpios)
10 {
11  struct lb_gpio chromeos_gpios[] = {
12  {-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
13  {-1, ACTIVE_HIGH, 0, "power"},
14  {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
16  };
17  if (CONFIG(BOARD_INTEL_ADLRVP_P_EXT_EC) || CONFIG(BOARD_INTEL_ADLRVP_M_EXT_EC) ||
18  CONFIG(BOARD_INTEL_ADLRVP_N_EXT_EC))
19  lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
20  else
21  lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios) - 1);
22 }
23 
24 #if !CONFIG(EC_GOOGLE_CHROMEEC_SWITCHES)
25 int get_lid_switch(void)
26 {
27  /* Lid always open */
28  return 1;
29 }
30 
32 {
33  return 0;
34 }
35 #endif /*!CONFIG(EC_GOOGLE_CHROMEEC_SWITCHES) */
36 
38 {
39  /* No write protect */
40  return 0;
41 }
42 
43 #if (CONFIG(BOARD_INTEL_ADLRVP_P_EXT_EC) || CONFIG(BOARD_INTEL_ADLRVP_M_EXT_EC) ||\
44  CONFIG(BOARD_INTEL_ADLRVP_N_EXT_EC))
45 int get_ec_is_trusted(void)
46 {
47  /* EC is trusted if not in RW. */
48  return !gpio_get(GPIO_EC_IN_RW);
49 }
50 #endif
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
@ CONFIG
Definition: dsi_common.h:201
int get_ec_is_trusted(void)
Definition: chromeos.c:25
int get_recovery_mode_switch(void)
HACK: Use Fn-Key as recovery mode switch.
Definition: chromeos.c:29
int get_lid_switch(void)
Definition: chromeos.c:37
#define ACTIVE_HIGH
Definition: chromeos.c:18
void lb_add_gpios(struct lb_gpios *gpios, const struct lb_gpio *gpio_table, size_t count)
int gpio_get(gpio_t gpio)
Definition: gpio.c:166