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
75
76
77
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <bootmode.h>
#include <boot/coreboot_tables.h>
#include <device/pci_ops.h>
#include <device/device.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/common/gpio.h>
#include <ec/compal/ene932/ec.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include "ec.h"
void fill_lb_gpios(struct lb_gpios *gpios)
{
const pci_devfn_t dev = PCI_DEV(0, 0x1f, 0);
u16 gen_pmcon_1 = pci_s_read_config32(dev, GEN_PMCON_1);
struct lb_gpio chromeos_gpios[] = {
/* Lid switch GPIO active high (open). */
{15, ACTIVE_HIGH, get_lid_switch(), "lid"},
/* Power Button */
{101, ACTIVE_LOW, (gen_pmcon_1 >> 9) & 1, "power"},
/* Did we load the VGA Option ROM? */
/* -1 indicates that this is a pseudo GPIO */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
int get_lid_switch(void)
{
return get_gpio(15);
}
int get_write_protect_state(void)
{
return !get_gpio(70);
}
int get_recovery_mode_switch(void)
{
u8 gpio = !get_gpio(68);
/* GPIO68, active low. For Servo support
* Treat as active high and let the caller invert if needed. */
printk(BIOS_DEBUG, "REC MODE GPIO 68: %x\n", gpio);
return gpio;
}
static int parrot_ec_running_ro(void)
{
return !get_gpio(68);
}
static const struct cros_gpio cros_gpios[] = {
CROS_GPIO_REC_AH(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
CROS_GPIO_WP_AL(70, CROS_GPIO_DEVICE_NAME),
};
void mainboard_chromeos_acpi_generate(void)
{
if (CONFIG(CHROMEOS_NVS) && !parrot_ec_running_ro())
chromeos_set_ecfw_rw();
chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
}
int get_ec_is_trusted(void)
{
/* Do not have a Chrome EC involved in entering recovery mode;
Always return trusted. */
return 1;
}
|
