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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <console/console.h>
#include <acpi/acpi.h>
#include <baseboard/variants.h>
#include <device/device.h>
#include <drivers/spi/tpm/tpm.h>
#include <ec/ec.h>
#include <fw_config.h>
#include <security/tpm/tss.h>
#include <soc/gpio.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <variant/gpio.h>
#include <vb2_api.h>
#include "drivers/intel/pmc_mux/conn/chip.h"
extern struct chip_operations drivers_intel_pmc_mux_conn_ops;
static bool is_port1(struct device *dev)
{
return dev->path.type == DEVICE_PATH_GENERIC && dev->path.generic.id == 1 &&
dev->chip_ops == &drivers_intel_pmc_mux_conn_ops;
}
static void typec_orientation_fixup(void)
{
/*
* TODO: This is an ugly hack, see if there's a better way to accomplish this same thing
* via fw_config + devicetree, i.e., change a register's value depending on fw_config
* probing.
*/
const struct device *pmc;
const struct device *mux;
const struct device *conn;
pmc = pcidev_path_on_root(PCH_DEVFN_PMC);
if (!pmc || !pmc->link_list->children) {
printk(BIOS_ERR, "%s: unable to find PMC device or its mux\n", __func__);
return;
}
/*
* Find port 1 underneath PMC.MUX; some variants may not have this defined, so it's okay
* to just silently return here.
*/
mux = pmc->link_list->children;
conn = dev_find_matching_device_on_bus(mux->link_list, is_port1);
if (!conn)
return;
if (fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN2)) ||
fw_config_probe(FW_CONFIG(DB_USB, USB3_ACTIVE)) ||
fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN3)) ||
fw_config_probe(FW_CONFIG(DB_USB, USB3_NO_A))) {
struct drivers_intel_pmc_mux_conn_config *config = conn->chip_info;
if (config) {
printk(BIOS_INFO, "Configure Right Type-C port orientation for retimer\n");
config->sbu_orientation = TYPEC_ORIENTATION_NORMAL;
}
}
}
static void mainboard_init(struct device *dev)
{
mainboard_ec_init();
typec_orientation_fixup();
}
static void add_fw_config_oem_string(const struct fw_config *config, void *arg)
{
struct smbios_type11 *t;
char buffer[64];
t = (struct smbios_type11 *)arg;
snprintf(buffer, sizeof(buffer), "%s-%s", config->field_name, config->option_name);
t->count = smbios_add_string(t->eos, buffer);
}
static void mainboard_smbios_strings(struct device *dev, struct smbios_type11 *t)
{
fw_config_for_each_found(add_fw_config_oem_string, t);
}
static void mainboard_enable(struct device *dev)
{
dev->ops->init = mainboard_init;
dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator;
dev->ops->get_smbios_strings = mainboard_smbios_strings;
}
void mainboard_update_soc_chip_config(struct soc_intel_tigerlake_config *cfg)
{
int ret;
if (!CONFIG(MAINBOARD_HAS_SPI_TPM_CR50)) {
/*
* Negotiation of long interrupt pulses is only supported via SPI. I2C is only
* used on reworked prototypes on which the TPM is replaced with Dauntless under
* development, it will use long pulses by default, or use the interrupt line in
* a different way altogether.
*/
return;
}
ret = tlcl_lib_init();
if (ret != VB2_SUCCESS) {
printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret);
return;
}
if (cr50_is_long_interrupt_pulse_enabled()) {
printk(BIOS_INFO, "Enabling S0i3.4\n");
} else {
/*
* Disable S0i3.4, preventing the GPIO block from switching to
* slow clock.
*/
printk(BIOS_INFO, "Not enabling S0i3.4\n");
cfg->LpmStateDisableMask |= LPM_S0i3_4;
cfg->gpio_override_pm = 1;
memset(cfg->gpio_pm, 0, sizeof(cfg->gpio_pm));
}
}
static void mainboard_chip_init(void *chip_info)
{
const struct pad_config *base_pads;
const struct pad_config *override_pads;
size_t base_num, override_num;
base_pads = variant_base_gpio_table(&base_num);
override_pads = variant_override_gpio_table(&override_num);
gpio_configure_pads_with_override(base_pads, base_num, override_pads, override_num);
}
void mainboard_silicon_init_params(FSP_S_CONFIG *params)
{
bool has_usb4;
/* If device doesn't have USB4 hardware, disable tbt */
has_usb4 = (fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN2))
|| fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN3)));
if (!has_usb4)
memset(params->ITbtPcieRootPortEn, 0,
ARRAY_SIZE(params->ITbtPcieRootPortEn)
* sizeof(*params->ITbtPcieRootPortEn));
}
struct chip_operations mainboard_ops = {
.init = mainboard_chip_init,
.enable_dev = mainboard_enable,
};
|
