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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <acpi/acpigen.h>
#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <device/device.h>
#include <drivers/wwan/fm/chip.h>
#include <ec/ec.h>
#include <fw_config.h>
#include <soc/gpio.h>
#include <soc/ramstage.h>
#include <stdio.h>
WEAK_DEV_PTR(rp6_wwan);
WEAK_DEV_PTR(dgpu);
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);
}
void mainboard_update_soc_chip_config(struct soc_intel_alderlake_config *config)
{
variant_update_soc_chip_config(config);
}
void __weak variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
{
/* default implementation does nothing */
}
void __weak variant_init(void)
{
/* default implementation does nothing */
}
void __weak fw_config_gpio_padbased_override(struct pad_config *padbased_table)
{
/* default implementation does nothing */
}
void __weak variant_configure_pads(void)
{
const struct pad_config *base_pads;
const struct pad_config *override_pads;
size_t base_num, override_num;
base_pads = variant_gpio_table(&base_num);
override_pads = variant_gpio_override_table(&override_num);
gpio_configure_pads_with_override(base_pads, base_num, override_pads, override_num);
}
static void mainboard_init(void *chip_info)
{
variant_configure_pads();
variant_init();
variant_devtree_update();
}
void __weak variant_devtree_update(void)
{
/* Override dev tree settings per board */
}
static void mainboard_dev_init(struct device *dev)
{
mainboard_ec_init();
}
static void mainboard_generate_wwan_shutdown(const struct device *dev)
{
const struct drivers_wwan_fm_config *config = config_of(dev);
const struct device *parent = dev->upstream->dev;
if (!config)
return;
if (config->rtd3dev) {
acpigen_write_store();
acpigen_emit_namestring(acpi_device_path_join(parent, "RTD3._STA"));
acpigen_emit_byte(LOCAL0_OP);
acpigen_write_if_lequal_op_int(LOCAL0_OP, ONE_OP);
{
acpigen_emit_namestring(acpi_device_path_join(dev, "DPTS"));
acpigen_emit_byte(ARG0_OP);
}
acpigen_write_if_end();
}
}
static void mainboard_generate_dgpu_shutdown(const struct device *dev)
{
/* Call `_OFF` from the Power Resource associated with the dGPU's PEG port. */
const struct device *parent = dev->upstream->dev;
if (parent)
acpigen_emit_namestring(acpi_device_path_join(parent, "PGPR._OFF"));
}
static void mainboard_generate_mpts(void)
{
const struct device *wwan = DEV_PTR(rp6_wwan);
const struct device *dgpu = DEV_PTR(dgpu);
/*
* If HAVE_WWAN_POWER_SEQUENCE is selected, MPTS will be added to the
* DSDT via wwan_power.asl. We can't add MPTS to the SSDT as well,
* since the duplicate definition will result in a kernel error.
*
* This special case can be removed in the future if the power-off
* sequences for all WWAN devices used on brox are moved to the SSDT.
*/
if (CONFIG(HAVE_WWAN_POWER_SEQUENCE)) {
if (wwan || dgpu)
printk(BIOS_ERR, "Skip adding duplicate MPTS entry to SSDT\n");
return;
}
acpigen_write_scope("\\_SB");
acpigen_write_method_serialized("MPTS", 1);
if (wwan)
mainboard_generate_wwan_shutdown(wwan);
if (dgpu)
mainboard_generate_dgpu_shutdown(dgpu);
acpigen_write_method_end(); /* Method */
acpigen_write_scope_end(); /* Scope */
}
static void mainboard_generate_s0ix_hook(void)
{
acpigen_write_if_lequal_op_int(ARG0_OP, 1);
{
if (CONFIG(HAVE_SLP_S0_GATE))
acpigen_soc_clear_tx_gpio(GPIO_SLP_S0_GATE);
variant_generate_s0ix_hook(S0IX_ENTRY);
}
acpigen_write_else();
{
if (CONFIG(HAVE_SLP_S0_GATE))
acpigen_soc_set_tx_gpio(GPIO_SLP_S0_GATE);
variant_generate_s0ix_hook(S0IX_EXIT);
}
acpigen_write_if_end();
}
static void mainboard_fill_ssdt(const struct device *dev)
{
mainboard_generate_mpts();
/* for variant to fill additional SSDT */
variant_fill_ssdt(dev);
acpigen_write_scope("\\_SB");
acpigen_write_method_serialized("MS0X", 1);
mainboard_generate_s0ix_hook();
acpigen_write_method_end(); /* Method */
acpigen_write_scope_end(); /* Scope */
}
void __weak variant_fill_ssdt(const struct device *dev)
{
/* Add board-specific SSDT entries */
}
void __weak variant_generate_s0ix_hook(enum s0ix_entry entry)
{
/* Add board-specific MS0X entries */
/*
if (s0ix_entry == S0IX_ENTRY) {
implement variant operations here
}
if (s0ix_entry == S0IX_EXIT) {
implement variant operations here
}
*/
}
static void mainboard_enable(struct device *dev)
{
dev->ops->init = mainboard_dev_init;
dev->ops->get_smbios_strings = mainboard_smbios_strings;
dev->ops->acpi_fill_ssdt = mainboard_fill_ssdt;
}
void __weak variant_finalize(void)
{
}
static void mainboard_final(void *chip_info)
{
variant_finalize();
}
struct chip_operations mainboard_ops = {
.init = mainboard_init,
.enable_dev = mainboard_enable,
.final = mainboard_final,
};
|
