summaryrefslogtreecommitdiff
path: root/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
blob: b605e1cd431e1f12b95da658618eda7259004f95 (plain)
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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
# SPDX-License-Identifier: GPL-2.0-or-later
chip soc/amd/mendocino

	register "common_config.acp_config" = "{
		.acp_pin_cfg = ACP_PINS_HDA_3SDI_PDM6_I2S,
		.acp_i2s_wake_enable = 0,
		.acp_pme_enable = 0,
		.dmic_present = 1,
	}"

	# eSPI Configuration
	register "common_config.espi_config" = "{
		.std_io_decode_bitmap = ESPI_DECODE_IO_0x80_EN | ESPI_DECODE_IO_0X60_0X64_EN,
		.generic_io_range[0] = {
			.base = 0x62,
			/*
			 * Only 0x62 and 0x66 are required. But, this is not supported by
			 * standard IO decodes and there are only 4 generic I/O windows
			 * available. Hence, open a window from 0x62-0x67.
			 */
			.size = 5,
		},
		.generic_io_range[1] = {
			.base = 0x800,   /* EC_HOST_CMD_REGION0 */
			.size = 256,     /* EC_HOST_CMD_REGION_SIZE * 2 */
		},
		.generic_io_range[2] = {
			.base = 0x900,   /* EC_LPC_ADDR_MEMMAP */
			.size = 255,     /* EC_MEMMAP_SIZE */
		},
		.generic_io_range[3] = {
			.base = 0x200,   /* EC_LPC_ADDR_HOST_DATA */
			.size = 8,       /* 0x200 - 0x207 */
		},

		.io_mode = ESPI_IO_MODE_QUAD,
		.op_freq_mhz = ESPI_OP_FREQ_16_MHZ,
		.crc_check_enable = 1,
		.alert_pin = ESPI_ALERT_PIN_OPEN_DRAIN,
		.periph_ch_en = 1,
		.vw_ch_en = 1,
		.oob_ch_en = 0,
		.flash_ch_en = 0,

		.vw_irq_polarity = ESPI_VW_IRQ_LEVEL_HIGH(1),
	}"

	register "i2c_scl_reset" = "GPIO_I2C0_SCL | GPIO_I2C1_SCL |
					GPIO_I2C2_SCL | GPIO_I2C3_SCL"

	# I2C Pad Control RX Select Configuration
	register "i2c_pad[0].rx_level" = "I2C_PAD_RX_1_8V" # Touchpad
	register "i2c_pad[1].rx_level" = "I2C_PAD_RX_1_8V" # Touchscreen
	register "i2c_pad[2].rx_level" = "I2C_PAD_RX_1_8V" # Audio/SAR
	register "i2c_pad[3].rx_level" = "I2C_PAD_RX_1_8V" # GSC

	# I2C Config
	#+-------------------+----------------------------+
	#| Field             |  Value                     |
	#+-------------------+----------------------------+
	#| I2C0              | Trackpad                   |
	#| I2C1              | Touchscreen                |
	#| I2C2              | Speaker, Codec, P-SAR, USB |
	#| I2C3              | D2 TPM                     |
	#+-------------------+----------------------------+
	register "i2c[0]" = "{
		.speed = I2C_SPEED_FAST,
	}"

	register "i2c[1]" = "{
		.speed = I2C_SPEED_FAST,
	}"

	register "i2c[2]" = "{
		.speed = I2C_SPEED_FAST,
	}"

	register "i2c[3]" = "{
		.speed = I2C_SPEED_FAST,
		.early_init = true,
	}"

	# general purpose PCIe clock output configuration
	register "gpp_clk_config[0]" = "GPP_CLK_REQ"
	register "gpp_clk_config[1]" = "GPP_CLK_REQ"
	register "gpp_clk_config[2]" = "GPP_CLK_REQ"
	register "gpp_clk_config[3]" = "GPP_CLK_OFF"

	# PSPP doesn't save any power on this platform
	register "pspp_policy" = "DXIO_PSPP_DISABLED"

	register "s0ix_enable" = "true"

	device domain 0 on
		device ref lpc_bridge on
			chip ec/google/chromeec
				device pnp 0c09.0 alias chrome_ec on end
			end
		end
		device ref gpp_bridge_0 on # WLAN
			chip drivers/pcie/generic
				register "wake_gpe" = "GEVENT_8"
				register "wake_deepest" = "ACPI_S0"
				register "add_acpi_dma_property" = "true"
				register "name" = ""WLAN""
				device pci 00.0 on end
			end
		end
		device ref iommu on end
		device ref gpp_bridge_1 on end # SD
		device ref gpp_bridge_2 on
			# Required so the NVMe gets placed into D3 when entering S0i3.
			chip drivers/pcie/rtd3/device
				register "name" = ""NVME""
				device pci 00.0 on end
			end
		end # NVMe

		device ref gpp_bridge_a on  # Internal GPP Bridge 0 to Bus A
			device ref gfx on end # Internal GPU (GFX)
			device ref gfx_hda on end # Display HD Audio Controller (GFXAZ)
			device ref crypto on end # Crypto Coprocessor
			device ref xhci_0 on # USB 3.1 (USB0)
				chip drivers/usb/acpi
					device ref xhci_0_root_hub on
						chip drivers/usb/acpi
							register "desc" = ""USB3 Type-C Port C0 (MLB)""
							register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
							register "use_custom_pld" = "true"
							register "custom_pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))"
							device ref usb3_port0 on end
						end
						chip drivers/usb/acpi
							register "desc" = ""USB2 Type-C Port C0 (MLB)""
							register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
                                                        register "use_custom_pld" = "true"
                                                        register "custom_pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))"
							device ref usb2_port0 on end
						end
						chip drivers/usb/acpi
							register "desc" = ""User-Facing Camera""
							register "type" = "UPC_TYPE_INTERNAL"
							device ref usb2_port1 on end
						end
					end
				end
			end
			device ref xhci_1 on # USB 3.1 (USB1)
				chip drivers/usb/acpi
					device ref xhci_1_root_hub on
						chip drivers/usb/acpi
							register "desc" = ""USB3 Type-C Port C1 (DB)""
							register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
                                                        register "use_custom_pld" = "true"
                                                        register "custom_pld" = "ACPI_PLD_TYPE_C(RIGHT, RIGHT, ACPI_PLD_GROUP(2, 1))"
							device ref usb3_port2 on end
						end
						chip drivers/usb/acpi
							register "desc" = ""USB2 Type-C Port C1 (DB)""
							register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
                                                        register "use_custom_pld" = "true"
                                                        register "custom_pld" = "ACPI_PLD_TYPE_C(RIGHT, RIGHT, ACPI_PLD_GROUP(2, 1))"
							device ref usb2_port2 on end
						end
						chip drivers/usb/acpi
							register "desc" = ""World-Facing Camera""
							register "type" = "UPC_TYPE_INTERNAL"
							device ref usb2_port4 on end
						end
					end
				end
			end
			device ref acp on end # Audio Processor (ACP)
			device ref mp2 on end # Sensor Fusion Hub (MP2)
		end
		device ref gpp_bridge_c on  # Internal GPP Bridge 2 to Bus C
			device ref xhci_2 on # USB 2.0 (USB2)
				ops xhci_pci_ops
				chip drivers/usb/acpi
					register "type" = "UPC_TYPE_HUB"
					device usb 0.0 alias xhci_2_root_hub on
						chip drivers/usb/acpi
							register "desc" = ""Bluetooth""
							register "type" = "UPC_TYPE_INTERNAL"
							register "has_power_resource" = "true"
							register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_10)"
							register "enable_delay_ms" = "500"
							register "enable_off_delay_ms" = "200"
							register "use_gpio_for_status" = "true"
							device usb 2.0 alias usb2_port5 on end
						end
					end
				end
			end
		end
	end # domain
	device ref uart_0 on end # UART0
	device ref i2c_0 on end
	device ref i2c_1 on end
	device ref i2c_2 on end
	device ref i2c_3 on
		chip drivers/i2c/tpm
			register "hid" = ""GOOG0005""
			register "desc" = ""Ti50 TPM""
			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_18)"
			device i2c 50 alias ti50 on end
		end
	end

	# EC is configured to power off the system at 105C, so add a two degree
	# buffer so the OS can gracefully shutdown.
	#
	# EC is configured to assert PROCHOT at 100C. That drastically lowers
	# performance. Instead we will tell the OS to start throttling the CPUs
	# at 95C in hopes that we don't hit the PROCHOT limit.
	#
	# We set use_acpi1_thermal_zone_scope because the Chrome ec.asl
	# performs a `Notify` to the `_\TZ` scope.
	chip drivers/acpi/thermal_zone
		register "description" = ""Charger""
		use chrome_ec as temperature_controller
		register "sensor_id" = "0"
		register "polling_period" = "10"
		register "critical_temperature" = "103"
		register "passive_config.temperature" = "95"
		register "use_acpi1_thermal_zone_scope" = "true"

		device generic 0 on end
	end
	chip drivers/acpi/thermal_zone
		register "description" = ""Memory""
		use chrome_ec as temperature_controller
		register "sensor_id" = "1"
		register "polling_period" = "10"
		register "critical_temperature" = "103"
		register "passive_config.temperature" = "95"
		register "use_acpi1_thermal_zone_scope" = "true"

		device generic 1 on end
	end
	chip drivers/acpi/thermal_zone
		register "description" = ""CPU""
		use chrome_ec as temperature_controller
		register "sensor_id" = "2"
		register "polling_period" = "10"
		register "critical_temperature" = "103"
		register "passive_config.temperature" = "95"
		register "use_acpi1_thermal_zone_scope" = "true"

		device generic 2 on end
	end
	chip drivers/acpi/thermal_zone
		register "description" = ""SOC""
		use chrome_ec as temperature_controller
		register "sensor_id" = "3"
		register "polling_period" = "10"
		register "critical_temperature" = "103"
		register "passive_config.temperature" = "95"
		register "use_acpi1_thermal_zone_scope" = "true"

		device generic 3 on end
	end

	# DPTC: Refer the spec "FT6 Infrastructure Roadmap"#57316
	# Set system_configuration to 4 for 15W
	register "system_configuration" = "4"
	# Normal
	register "slow_ppt_limit_mW"                     = "25000"
	register "fast_ppt_limit_mW"                     = "30000"
	register "slow_ppt_time_constant_s"              = "5"
	register "stapm_time_constant_s"                 = "275"
	register "thermctl_limit_degreeC"                = "100"
	register "vrm_current_limit_mA"                  = "28000"
	register "vrm_maximum_current_limit_mA"          = "50000"
	register "vrm_soc_current_limit_mA"              = "10000"
	# Throttle (e.g., Low/No Battery)
	register "vrm_current_limit_throttle_mA"         = "20000"
	register "vrm_maximum_current_limit_throttle_mA" = "20000"
	register "vrm_soc_current_limit_throttle_mA"     = "10000"
end	# chip soc/amd/mendocino