src/mainboard/intel/saddlebrook/devicetree.cb

##
## This file is part of the coreboot project.
##
## Copyright (C) 2017 Intel Corporation.
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##

chip soc/intel/skylake

	# Enable deep Sx states
	register "deep_s5_enable_ac" = "0"
	register "deep_s5_enable_dc" = "0"
	register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN"

	# 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_B"
	register "gpe0_dw1" = "GPP_D"
	register "gpe0_dw2" = "GPP_E"

	# Enable "Intel Speed Shift Technology"
	register "speed_shift_enable" = "1"

	# FSP Configuration
	register "EnableAzalia" = "1"
	register "DspEnable" = "1"
	register "IoBufferOwnership" = "3"
	register "SmbusEnable" = "1"
	register "ScsEmmcEnabled" = "0"
	register "ScsEmmcHs400Enabled" = "0"
	register "ScsSdCardEnabled" = "0"
	register "InternalGfx" = "1"
	register "SkipExtGfxScan" = "1"
	register "Device4Enable" = "0"
	register "Heci3Enabled" = "0"

	register "SaGv" = "3"
	register "PmTimerDisabled" = "0"

	# Enabling SLP_S3#, SLP_S4#, SLP_SUS and SLP_A Stretch
	# SLP_S3 Minimum Assertion Width. Values 0: 60us, 1: 1ms, 2: 50ms, 3: 2s
	register "PmConfigSlpS3MinAssert" = "0x02"

	# SLP_S4 Minimum Assertion Width. Values 0: default, 1: 1s, 2: 2s, 3: 3s, 4: 4s
	register "PmConfigSlpS4MinAssert" = "0x04"

	# SLP_SUS Minimum Assertion Width. Values 0: 0ms, 1: 500ms, 2: 1s, 3: 4s
	register "PmConfigSlpSusMinAssert" = "0x03"

	# SLP_A Minimum Assertion Width. Values 0: 0ms, 1: 4s, 2: 98ms, 3: 2s
	register "PmConfigSlpAMinAssert" = "0x03"

	# Determines if enable Serial IRQ. Values 0: Disabled, 1: Enabled
	register "SerialIrqConfigSirqEnable" = "0x01"
        register "SerialIrqConfigSirqMode" = "0x01"

	# VR Settings Configuration for 5 Domains
	#+----------------+-------+-------+-------------+-------------+-------+
	#| Domain/Setting |  SA   |  IA   | Ring Sliced | GT Unsliced |  GT   |
	#+----------------+-------+-------+-------------+-------------+-------+
	#| Psi1Threshold  | 20A   | 20A   | 20A         | 20A         | 20A   |
	#| Psi2Threshold  | 4A    | 5A    | 5A          | 5A          | 5A    |
	#| Psi3Threshold  | 1A    | 1A    | 1A          | 1A          | 1A    |
	#| Psi3Enable     | 1     | 1     | 1           | 1           | 1     |
	#| Psi4Enable     | 1     | 1     | 1           | 1           | 1     |
	#| ImonSlope      | 0     | 0     | 0           | 0           | 0     |
	#| ImonOffset     | 0     | 0     | 0           | 0           | 0     |
	#| IccMax         | 7A    | 34A   | 34A         | 35A         | 35A   |
	#| VrVoltageLimit | 1.52V | 1.52V | 1.52V       | 1.52V       | 1.52V |
	#+----------------+-------+-------+-------------+-------------+-------+
	register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
		.vr_config_enable = 1, \
		.psi1threshold = 0x50, \
		.psi2threshold = 0x10, \
		.psi3threshold = 0x4, \
		.psi3enable = 1, \
		.psi4enable = 1, \
		.imon_slope = 0x0, \
		.imon_offset = 0x0, \
		.icc_max = 0x1C, \
		.voltage_limit = 0x5F0 \
	}"

	register "domain_vr_config[VR_IA_CORE]" = "{
		.vr_config_enable = 1, \
		.psi1threshold = 0x50, \
		.psi2threshold = 0x14, \
		.psi3threshold = 0x4, \
		.psi3enable = 1, \
		.psi4enable = 1, \
		.imon_slope = 0x0, \
		.imon_offset = 0x0, \
		.icc_max = 0x88, \
		.voltage_limit = 0x5F0 \
	}"
	register "domain_vr_config[VR_RING]" = "{
		.vr_config_enable = 1, \
		.psi1threshold = 0x50, \
		.psi2threshold = 0x14, \
		.psi3threshold = 0x4, \
		.psi3enable = 1, \
		.psi4enable = 1, \
		.imon_slope = 0x0, \
		.imon_offset = 0x0, \
		.icc_max = 0x88, \
		.voltage_limit = 0x5F0, \
	}"

	register "domain_vr_config[VR_GT_UNSLICED]" = "{
		.vr_config_enable = 1, \
		.psi1threshold = 0x50, \
		.psi2threshold = 0x14, \
		.psi3threshold = 0x4, \
		.psi3enable = 1, \
		.psi4enable = 1, \
		.imon_slope = 0x0, \
		.imon_offset = 0x0, \
		.icc_max = 0x8C ,\
		.voltage_limit = 0x5F0 \
	}"

	register "domain_vr_config[VR_GT_SLICED]" = "{
		.vr_config_enable = 1, \
		.psi1threshold = 0x50, \
		.psi2threshold = 0x14, \
		.psi3threshold = 0x4, \
		.psi3enable = 1, \
		.psi4enable = 1, \
		.imon_slope = 0x0, \
		.imon_offset = 0x0, \
		.icc_max = 0x8C, \
		.voltage_limit = 0x5F0 \
	}"

	register "FspSkipMpInit" = "0"

	# Enable x1 slot
	register "PcieRpEnable[7]" = "1"
	register "PcieRpClkReqSupport[7]" = "1"
	register "PcieRpClkReqNumber[7]" = "3" #uses SRCCLKREQ3

	# Enable x4 slot
	register "PcieRpEnable[8]" = "1"
	register "PcieRpClkReqSupport[8]" = "1"
	register "PcieRpClkReqNumber[8]" = "4" #uses SRCCLKREQ4

	# Enable Root port 6 and 13.
	register "PcieRpEnable[5]" = "1"
	register "PcieRpEnable[12]" = "1"

	# Enable CLKREQ#
	register "PcieRpClkReqSupport[5]" = "1"
	register "PcieRpClkReqSupport[12]" = "1"

	# RP 6 uses SRCCLKREQ1# while RP `3 uses SRCCLKREQ2#
	register "PcieRpClkReqNumber[5]" = "0"
	register "PcieRpClkReqNumber[12]" = "1"

	register "EnableLan" = "1"

	# USB related
	register "SsicPortEnable" = "1"
	register "XdciEnable" = "0"

	register "usb2_ports[0]" = "USB2_PORT_MID(OC_SKIP)"  # OTG
	register "usb2_ports[1]" = "USB2_PORT_MID(OC3)"  # Touch Pad
	register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)"  # M.2 BT
	register "usb2_ports[3]" = "USB2_PORT_MID(OC_SKIP)"  # Touch Panel
	register "usb2_ports[4]" = "USB2_PORT_MID(OC_SKIP)"  # M.2 WWAN
	register "usb2_ports[5]" = "USB2_PORT_MID(OC0)"  # Front Panel
	register "usb2_ports[6]" = "USB2_PORT_MID(OC0)"  # Front Panel
	register "usb2_ports[7]" = "USB2_PORT_MID(OC2)"  # Stacked conn (lan + usb)
	register "usb2_ports[8]" = "USB2_PORT_MID(OC2)"  # Stacked conn (lan + usb)
	register "usb2_ports[9]" = "USB2_PORT_MID(OC1)"  # LAN MAGJACK
	register "usb2_ports[10]" = "USB2_PORT_MID(OC1)" # LAN MAGJACK
	register "usb2_ports[11]" = "USB2_PORT_MID(OC_SKIP)" # Finger print sensor
	register "usb2_ports[12]" = "USB2_PORT_MID(OC4)" # USB 2 stack conn
	register "usb2_ports[13]" = "USB2_PORT_MID(OC4)" # USB 2 stack conn

	register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC5)" # OTG
	register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC_SKIP)" # M.2 WWAN
	register "usb3_ports[2]" = "USB3_PORT_DEFAULT(OC3)" # Flex
	register "usb3_ports[3]" = "USB3_PORT_DEFAULT(OC_SKIP)" # IVCAM
	register "usb3_ports[4]" = "USB3_PORT_DEFAULT(OC1)" # LAN MAGJACK
	register "usb3_ports[5]" = "USB3_PORT_DEFAULT(OC0)" # Front Panel
	register "usb3_ports[6]" = "USB3_PORT_DEFAULT(OC0)" # Front Panel
	register "usb3_ports[7]" = "USB3_PORT_DEFAULT(OC2)" # Stack Conn
	register "usb3_ports[8]" = "USB3_PORT_DEFAULT(OC2)" # Stack Conn
	register "usb3_ports[9]" = "USB3_PORT_DEFAULT(OC1)" # LAN MAGJACK

	register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8"  # I2C4 is 1.8V

	# Must leave UART0 enabled or SD/eMMC will not work as PCI

	register "pirqa_routing" = "0x0b"
	register "pirqb_routing" = "0x0a"
	register "pirqc_routing" = "0x0b"
	register "pirqd_routing" = "0x0b"
	register "pirqe_routing" = "0x0b"
	register "pirqf_routing" = "0x0b"
	register "pirqg_routing" = "0x0b"
	register "pirqh_routing" = "0x0b"

	register "PmTimerDisabled" = "0"

	register "EnableSata" = "1"
	register "SataSalpSupport" = "1"
	register "SataPortsEnable" = "{ \
		[0]	= 1, \
		[1]	= 1, \
		[2]	= 1, \
		[3]	= 1, \
		[4]	= 1, \
		[5]	= 1, \
		[6]	= 1, \
		[7]	= 1, \
	}"
	register "SerialIoDevMode" = "{ \
		[PchSerialIoIndexI2C0]  = PchSerialIoPci, \
		[PchSerialIoIndexI2C1]  = PchSerialIoPci, \
		[PchSerialIoIndexI2C2]  = PchSerialIoPci, \
		[PchSerialIoIndexI2C3]  = PchSerialIoPci, \
		[PchSerialIoIndexI2C4]  = PchSerialIoPci, \
		[PchSerialIoIndexI2C5]  = PchSerialIoPci, \
		[PchSerialIoIndexSpi0]  = PchSerialIoPci, \
		[PchSerialIoIndexSpi1]  = PchSerialIoPci, \
		[PchSerialIoIndexUart0] = PchSerialIoPci, \
		[PchSerialIoIndexUart1] = PchSerialIoPci, \
		[PchSerialIoIndexUart2] = PchSerialIoSkipInit, \
	}"

	# PL2 override 25W
	register "tdp_pl2_override" = "25"

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

	# Enable/Disable VMX feature
	register "VmxEnable" = "0"
	# Use default SD card detect GPIO configuration
	#register "sdcard_cd_gpio_default" = "GPP_A7"

	device cpu_cluster 0 on
		device lapic 0 on end
	end
	device domain 0 on
		device pci 00.0 on  end # Host Bridge
		device pci 02.0 on  end # Integrated Graphics Device
		device pci 14.0 on  end # USB xHCI
		device pci 14.1 off end # USB xDCI (OTG)
		device pci 14.2 on  end # Thermal Subsystem
		device pci 15.0 on  end # I2C #0
		device pci 15.1 on  end # I2C #1
		device pci 15.2 on  end # I2C #2
		device pci 15.3 on  end # I2C #3
		device pci 16.0 on  end # Management Engine Interface 1
		device pci 16.1 off end # Management Engine Interface 2
		device pci 16.2 off end # Management Engine IDE-R
		device pci 16.3 off end # Management Engine KT Redirection
		device pci 16.4 off end # Management Engine Interface 3
		device pci 17.0 on end # SATA
		device pci 19.0 on  end # UART #2
		device pci 19.1 on  end # I2C #5
		device pci 19.2 on  end # I2C #4
		device pci 1c.0 on  end # PCI Express Port 1
		device pci 1c.1 off end # PCI Express Port 2
		device pci 1c.2 off end # PCI Express Port 3
		device pci 1c.3 off end # PCI Express Port 4
		device pci 1c.4 off end # PCI Express Port 5
		device pci 1c.5 off end # PCI Express Port 6
		device pci 1c.6 off end # PCI Express Port 7
		device pci 1c.7 off end # PCI Express Port 8
		device pci 1d.0 off end # PCI Express Port 9
		device pci 1d.1 off end # PCI Express Port 10
		device pci 1d.2 off end # PCI Express Port 11
		device pci 1d.3 off end # PCI Express Port 12
		device pci 1e.0 on  end # UART #0
		device pci 1e.1 on  end # UART #1
		device pci 1e.2 on  end # GSPI #0
		device pci 1e.3 on  end # GSPI #1
		device pci 1e.4 off  end # eMMC
		device pci 1e.5 off  end # SDIO
		device pci 1e.6 off  end # SDCard
		device pci 1f.0 on
		end # LPC Interface
		device pci 1f.1 on  end # P2SB
		device pci 1f.2 on  end # Power Management Controller
		device pci 1f.3 on  end # Intel HDA
		device pci 1f.4 on  end # SMBus
		device pci 1f.5 on  end # PCH SPI
		device pci 1f.6 on end # GbE
	end
end