src/mainboard/system76/bonw14/devicetree.cb

chip soc/intel/cannonlake
	register "common_soc_config" = "{
		// Touchpad I2C bus
		.i2c[0] = {
			.speed = I2C_SPEED_FAST,
			.rise_time_ns = 80,
			.fall_time_ns = 110,
		},
	}"

# CPU (soc/intel/cannonlake/cpu.c)
	# Power limit
	register "power_limits_config" = "{
		.tdp_pl1_override = 125,
		.tdp_pl2_override = 160,
	}"

	# Enable Enhanced Intel SpeedStep
	register "eist_enable" = "1"

# FSP Memory (soc/intel/cannonlake/romstage/fsp_params.c)
	register "enable_c6dram" = "1"

# FSP Silicon (soc/intel/cannonlake/fsp_params.c)
	# Serial I/O
	register "SerialIoDevMode" = "{
		[PchSerialIoIndexI2C0] = PchSerialIoPci, // Touchpad I2C bus
		[PchSerialIoIndexUART2] = PchSerialIoSkipInit, // Debug console
	}"

	# Misc
	register "AcousticNoiseMitigation" = "1"

	# Power
	register "PchPmSlpS3MinAssert" = "3" # 50ms
	register "PchPmSlpS4MinAssert" = "1" # 1s
	register "PchPmSlpSusMinAssert" = "4" # 4s
	register "PchPmSlpAMinAssert" = "4" # 2s

	# Thermal
	register "tcc_offset" = "13"

# PM Util (soc/intel/cannonlake/pmutil.c)
	# 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" = "PMC_GPP_K"
	register "gpe0_dw1" = "PMC_GPP_G"
	register "gpe0_dw2" = "PMC_GPP_E"

# Actual device tree
	device cpu_cluster 0 on end

	device domain 0 on
		subsystemid 0x1558 0x7714 inherit
		device pci 00.0 on  end # Host Bridge
		device pci 01.0 on      # GPU Port
			# PCI Express Graphics #0 x16, Clock 7 (NVIDIA GPU)
			register "PcieClkSrcUsage[7]" = "0x40"
			register "PcieClkSrcClkReq[7]" = "7"

			device pci 00.0 on end # VGA controller
			device pci 00.1 on end # Audio device
			device pci 00.2 on end # USB xHCI Host controller
			device pci 00.3 on end # USB Type-C UCSI controller
		end
		# TODO: is this enough to disable iGPU?
		device pci 02.0 off end # Integrated Graphics Device
		device pci 04.0 on  end # SA Thermal device
		device pci 12.0 on  end # Thermal Subsystem
		device pci 12.5 off end # UFS SCS
		device pci 12.6 off end # GSPI #2
		device pci 13.0 off end # Integrated Sensor Hub
		device pci 14.0 on      # USB xHCI
			# USB2
			register "usb2_ports[0]" = "USB2_PORT_MID(OC_SKIP)" # USB 3_2
			register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # USB 3_1
			register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)" # USB 3_4
			register "usb2_ports[3]" = "USB2_PORT_MID(OC_SKIP)" # USB 3_3
			register "usb2_ports[4]" = "USB2_PORT_MID(OC_SKIP)" # Per-key RGB
			register "usb2_ports[5]" = "USB2_PORT_TYPE_C(OC_SKIP)" # USB Type-C
			register "usb2_ports[6]" = "USB2_PORT_MID(OC_SKIP)" # XFI
			register "usb2_ports[7]" = "USB2_PORT_MID(OC_SKIP)" # Camera
			register "usb2_ports[8]" = "USB2_PORT_MID(OC_SKIP)" # Light guide
			register "usb2_ports[9]" = "USB2_PORT_MID(OC_SKIP)" # Fingerprint
			register "usb2_ports[13]" = "USB2_PORT_MID(OC_SKIP)" # Bluetooth
			# USB3
			register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC_SKIP)" # USB 3_2
			register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC_SKIP)" # ANX7440
			register "usb3_ports[2]" = "USB3_PORT_DEFAULT(OC_SKIP)" # USB 3_4
			register "usb3_ports[3]" = "USB3_PORT_DEFAULT(OC_SKIP)" # USB 3_3
		end
		device pci 14.2 on  end # Shared SRAM
		device pci 14.3 on      # CNVi wifi
			chip drivers/wifi/generic
				register "wake" = "PME_B0_EN_BIT"
				device generic 0 on end
			end
		end
		device pci 14.5 off end # SDCard
		device pci 15.0 on      # I2C #0
			chip drivers/i2c/hid
				register "generic.hid" = ""SYNA1202""
				register "generic.desc" = ""Synaptics Touchpad""
				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
				register "generic.detect" = "1"
				register "hid_desc_reg_offset" = "0x20"
				device i2c 2c on end
			end
		end
		device pci 15.1 off end # I2C #1
		device pci 15.2 off end # I2C #2
		device pci 15.3 off 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 16.5 off end # Management Engine Interface 4
		device pci 17.0 on      # SATA
			register "SataPortsEnable[1]" = "1" # SATA1A (SSD)
			register "SataPortsEnable[3]" = "1" # SATA3 (M.2_SATA3)
			register "SataPortsEnable[4]" = "1" # SATA4 (SSD2)
		end
		device pci 19.2 off end # UART #2
		device pci 1a.0 off end # eMMC
		device pci 1b.0 on      # PCI Express Port 17
			# PCI Express root port #17 x4, Clock 14 (SSD2)
			register "PcieRpEnable[16]" = "1"
			register "PcieRpLtrEnable[16]" = "1"
			register "PcieClkSrcUsage[14]" = "16"
			register "PcieClkSrcClkReq[14]" = "14"
		end
		device pci 1b.1 off end # PCI Express Port 18
		device pci 1b.2 off end # PCI Express Port 19
		device pci 1b.3 off end # PCI Express Port 20
		device pci 1b.4 on      # PCI Express Port 21
			# PCI Express root port #21 x4, Clock 15 (SSD3)
			register "PcieRpEnable[20]" = "1"
			register "PcieRpLtrEnable[20]" = "1"
			register "PcieClkSrcUsage[15]" = "20"
			register "PcieClkSrcClkReq[15]" = "15"
		end
		device pci 1b.5 off end # PCI Express Port 22
		device pci 1b.6 off end # PCI Express Port 23
		device pci 1b.7 off end # PCI Express Port 24
		device pci 1c.0 on      # PCI Express Port 1
			# PCI Express root port #1 x4, Clock 6 (Thunderbolt)
			register "PcieRpEnable[0]" = "1"
			register "PcieRpLtrEnable[0]" = "1"
			register "PcieRpHotPlug[0]" = "1"
			register "PcieClkSrcUsage[6]" = "PCIE_CLK_RP0" # 0 is converted to PCIE_CLK_NOTUSED
			register "PcieClkSrcClkReq[6]" = "6"
		end
		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 on      # PCI Express Port 5
			# PCI Express root port #5 x4, Clock 10 (USB 3.2)
			register "PcieRpEnable[4]" = "1"
			register "PcieRpLtrEnable[4]" = "1"
			register "PcieClkSrcUsage[10]" = "4"
			register "PcieClkSrcClkReq[10]" = "10"
		end
		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 on      # PCI Express Port 9
			# PCI Express root port #9 x4, Clock 8 (SSD)
			register "PcieRpEnable[8]" = "1"
			register "PcieRpLtrEnable[8]" = "1"
			register "PcieClkSrcUsage[8]" = "8"
			register "PcieClkSrcClkReq[8]" = "8"
		end
		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 1d.4 on      # PCI Express Port 13
			# PCI Express root port #13 x1, Clock 0 (WLAN)
			register "PcieRpEnable[12]" = "1"
			register "PcieRpLtrEnable[12]" = "1"
			register "PcieClkSrcUsage[0]" = "12"
			register "PcieClkSrcClkReq[0]" = "0"
		end
		device pci 1d.5 on      # PCI Express Port 14
			# PCI Express root port #14 x1, Clock 1 (GLAN)
			register "PcieRpEnable[13]" = "1"
			register "PcieRpLtrEnable[13]" = "1"
			register "PcieClkSrcUsage[1]" = "13"
			register "PcieClkSrcClkReq[1]" = "1"
		end
		device pci 1d.6 on      # PCI Express Port 15
			# PCI Express root port #15 x1, Clock 4 (Card Reader)
			register "PcieRpEnable[14]" = "1"
			register "PcieRpLtrEnable[14]" = "1"
			register "PcieClkSrcUsage[4]" = "14"
			register "PcieClkSrcClkReq[4]" = "4"
		end
		device pci 1d.7 off end # PCI Express Port 16
		device pci 1e.0 off end # UART #0
		device pci 1e.1 off end # UART #1
		device pci 1e.2 off end # GSPI #0
		device pci 1e.3 off end # GSPI #1
		device pci 1f.0 on      # LPC Interface
			register "gen1_dec" = "0x00040069"
			register "gen2_dec" = "0x00fc0e01"
			register "gen3_dec" = "0x00fc0f01"
			chip drivers/pc80/tpm
				device pnp 0c31.0 on end
			end
		end
		device pci 1f.1 off end # P2SB
		device pci 1f.2 hidden end # Power Management Controller
		device pci 1f.3 on      # Intel HDA
			register "PchHdaAudioLinkHda" = "1"
		end
		device pci 1f.4 on  end # SMBus
		device pci 1f.5 on  end # PCH SPI
		device pci 1f.6 off end # GbE
	end
end