aboutsummaryrefslogtreecommitdiff
path: root/src/mainboard/purism/librem_skl/devicetree.cb
blob: 5b222fc6c08eba1edbb9cae022b55700b856b805 (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
chip soc/intel/skylake

	# IGD Displays
	register "gfx" = "GMA_STATIC_DISPLAYS(0)"

	register "panel_cfg" = "{
		.up_delay_ms		= 200,
		.down_delay_ms		=  50,
		.cycle_delay_ms		= 500,
		.backlight_on_delay_ms	=   1,
		.backlight_off_delay_ms	= 200,
		.backlight_pwm_hz	= 200,
	}"

	register "deep_s3_enable_ac" = "0"
	register "deep_s3_enable_dc" = "0"
	register "deep_s5_enable_ac" = "0"
	register "deep_s5_enable_dc" = "0"
	register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN"

	register "eist_enable" = "1"

	# Set the Thermal Control Circuit (TCC) activaction value to 95C
	# even though FSP integration guide says to set it to 100C for SKL-U
	# (offset at 0), because when the TCC activates at 100C, the CPU
	# will have already shut itself down from overheating protection.
	register "tcc_offset" = "5" # TCC of 95C

	# GPE configuration
	# Note that GPE events called out in ASL code rely on this
	# route. i.e. If this route changes then the affected GPE
	# offset bits also need to be changed.
	register "gpe0_dw0" = "GPP_C"
	register "gpe0_dw1" = "GPP_D"
	register "gpe0_dw2" = "GPP_E"

	# Disable DPTF
	register "dptf_enable" = "0"

	# FSP Configuration
	register "SataPortsEnable[0]" = "1"
	register "SataPortsEnable[2]" = "1"
	register "DspEnable" = "0"
	register "IoBufferOwnership" = "0"
	register "SkipExtGfxScan" = "1"
	register "SaGv" = "SaGv_Enabled"
	register "PmConfigSlpS3MinAssert" = "2"		# 50ms
	register "PmConfigSlpS4MinAssert" = "1"		# 1s
	register "PmConfigSlpSusMinAssert" = "3"	# 500ms
	register "PmConfigSlpAMinAssert" = "3"		# 2s

	# EC/KBC requires continuous mode
	register "serirq_mode" = "SERIRQ_CONTINUOUS"

	# VR Settings Configuration for 4 Domains
	#+----------------+-----------+-----------+-------------+----------+
	#| Domain/Setting |     SA    |    IA     | GT Unsliced |    GT    |
	#+----------------+-----------+-----------+-------------+----------+
	#| Psi1Threshold  | 20A       | 20A       | 20A         | 20A      |
	#| Psi2Threshold  | 4A        | 5A        | 5A          | 5A       |
	#| Psi3Threshold  | 1A        | 1A        | 1A          | 1A       |
	#| Psi3Enable     | 1         | 1         | 1           | 1        |
	#| Psi4Enable     | 1         | 1         | 1           | 1        |
	#| ImonSlope      | 0         | 0         | 0           | 0        |
	#| ImonOffset     | 0         | 0         | 0           | 0        |
	#| IccMax         | 7A        | 34A       | 35A         | 35A      |
	#| VrVoltageLimit | 1.52V     | 1.52V     | 1.52V       | 1.52V    |
	#| AC LoadLine    | 15 mOhm   | 5.7 mOhm  | 5.2 mOhm    | 5.2 mOhm |
	#| DC LoadLine    | 14.3 mOhm | 4.83 mOhm | 4.2 mOhm    | 4.2 mOhm |
	#+----------------+-----------+-----------+-------------+----------+
	register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(4),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.icc_max = VR_CFG_AMP(7),
		.voltage_limit = 1520,
		.ac_loadline = 1500,
		.dc_loadline = 1430,
	}"

	register "domain_vr_config[VR_IA_CORE]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(5),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.icc_max = VR_CFG_AMP(34),
		.voltage_limit = 1520,
		.ac_loadline = 570,
		.dc_loadline = 483,
	}"

	register "domain_vr_config[VR_GT_UNSLICED]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(5),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.icc_max = VR_CFG_AMP(35),
		.voltage_limit = 1520,
		.ac_loadline = 520,
		.dc_loadline = 420,
	}"

	register "domain_vr_config[VR_GT_SLICED]" = "{
		.vr_config_enable = 1,
		.psi1threshold = VR_CFG_AMP(20),
		.psi2threshold = VR_CFG_AMP(5),
		.psi3threshold = VR_CFG_AMP(1),
		.psi3enable = 1,
		.psi4enable = 1,
		.imon_slope = 0x0,
		.imon_offset = 0x0,
		.icc_max = VR_CFG_AMP(35),
		.voltage_limit = 1520,
		.ac_loadline = 520,
		.dc_loadline = 420,
	}"

	# Enable Root Ports 5 and 9
	register "PcieRpEnable[4]" = "1"
	register "PcieRpEnable[8]" = "1"

	# PL2 override 25W
	register "power_limits_config" = "{
		.tdp_pl2_override = 25,
	}"

	# Send an extra VR mailbox command for the PS4 exit issue
	register "SendVrMbxCmd" = "2"

	device domain 0 on
		device ref igpu		on  end
		device ref sa_thermal	on  end
		device ref south_xhci	on  end
		device ref south_xdci	on  end
		device ref thermal	on  end
		device ref sata		on  end
		device ref pcie_rp5	on  end
		device ref pcie_rp9	on  end
		device ref lpc_espi	on
			# EC host command ranges are in 0x380-0x383 & 0x80-0x8f
			register "gen1_dec" = "0x00000381"
			chip drivers/pc80/tpm
				device pnp 0c31.0 on end
			end
		end
		device ref hda		on  end
		device ref smbus	on  end
		device ref fast_spi	on  end
	end
end