src/mainboard/google/panther/devicetree.cb

chip northbridge/intel/haswell
	# IGD Displays
	register "gfx.ndid" = "3"
	register "gfx.did" = "{ 0x80000100, 0x80000240, 0x80000410, 0x80000410, 0x00000005 }"

	# Disable eDP Hotplug
	register "gpu_dp_d_hotplug" = "0x00"

	# Enable DisplayPort C Hotplug with 6ms pulse
	register "gpu_dp_c_hotplug" = "0x06"

	# Enable HDMI Hotplug with 6ms pulse
	register "gpu_dp_b_hotplug" = "0x06"

	device cpu_cluster 0 on
		chip cpu/intel/haswell
			device lapic 0 on end
			# Magic APIC ID to locate this chip
			device lapic 0xACAC off end

			register "c1_battery" = "2"	# ACPI(C1) = MWAIT(C1E)
			register "c2_battery" = "3"	# ACPI(C2) = MWAIT(C3)
			register "c3_battery" = "9"	# ACPI(C3) = MWAIT(C7S)

			register "c1_acpower" = "2"	# ACPI(C1) = MWAIT(C1E)
			register "c2_acpower" = "3"	# ACPI(C2) = MWAIT(C3)
			register "c3_acpower" = "9"	# ACPI(C3) = MWAIT(C7S)
		end
	end

	device domain 0 on
		subsystemid 0x1ae0 0xc000 inherit
		device pci 00.0 on end # host bridge
		device pci 02.0 on end # vga controller
		device pci 03.0 on end # mini-hd audio

		chip southbridge/intel/lynxpoint
			register "pirqa_routing" = "0x8b"
			register "pirqb_routing" = "0x8a"
			register "pirqc_routing" = "0x8b"
			register "pirqd_routing" = "0x8b"
			register "pirqe_routing" = "0x80"
			register "pirqf_routing" = "0x80"
			register "pirqg_routing" = "0x80"
			register "pirqh_routing" = "0x80"

			# SuperIO range is 0x700-0x73f
			register "gen2_dec" = "0x003c0701"

			register "alt_gp_smi_en" = "0x0000"
			register "gpe0_en_1" = "0x00000000"
			register "gpe0_en_2" = "0x00000000"
			register "gpe0_en_3" = "0x00000000"
			register "gpe0_en_4" = "0x00000000"

			register "ide_legacy_combined" = "0x0"
			register "sata_ahci" = "0x1"
			register "sata_port_map" = "0x1"
			register "sata_devslp_disable" = "0x1"

			register "sio_acpi_mode" = "0"
			register "sio_i2c0_voltage" = "0" # 3.3V
			register "sio_i2c1_voltage" = "0" # 3.3V

			# Force enable ASPM for PCIe Port 4
			register "pcie_port_force_aspm" = "0x10"

			# Enable port coalescing
			register "pcie_port_coalesce" = "1"

			# Disable PCIe CLKOUT 1,5 and CLKOUT_XDP
			register "icc_clock_disable" = "0x01220000"

			# Route all USB ports to XHCI per default
			register "xhci_default" = "1"

			device pci 13.0 off end # Smart Sound Audio DSP
			device pci 14.0 on end # USB3 XHCI
			device pci 15.0 off end # Serial I/O DMA
			device pci 15.1 off end # I2C0
			device pci 15.2 off end # I2C1
			device pci 15.3 off end # GSPI0
			device pci 15.4 off end # GSPI1
			device pci 15.5 off end # UART0
			device pci 15.6 off end # UART1
			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
			device pci 17.0 off end # SDIO
			device pci 19.0 off end # GbE
			device pci 1b.0 on end # High Definition Audio
			device pci 1c.0 off end # PCIe Port #1
			device pci 1c.1 off end # PCIe Port #2
			device pci 1c.2 on end # PCIe Port #3
			device pci 1c.3 on end # PCIe Port #4
			device pci 1c.4 on end # PCIe Port #5
			device pci 1c.5 off end # PCIe Port #6
			device pci 1d.0 on end # USB2 EHCI
			device pci 1e.0 off end # PCI bridge
			device pci 1f.0 on
				chip superio/ite/it8772f
					# Skip keyboard init
					register "skip_keyboard" = "1"
					# Enable PECI on TMPIN3
					register "peci_tmpin" = "3"
					# Enable FAN2
					register "fan2_enable" = "1"

					device pnp 2e.0 off end # FDC
					device pnp 2e.1 on # Serial Port 1
						io 0x60 = 0x3f8
						irq 0x70 = 4
					end
					device pnp 2e.4 on # Environment Controller
						io 0x60 = 0x700
						io 0x62 = 0x710
						irq 0x70 = 0x09
						irq 0xf2 = 0x20
						irq 0xf4 = 0x0
						irq 0xfa = 0x12
					end
					device pnp 2e.7 on # GPIO
						io 0x60 = 0x720
						io 0x62 = 0x730
					end
					device pnp 2e.5 on
						io 0x60 = 0x60
						io 0x62 = 0x64
						irq 0x70 = 1
					end # Keyboard
					device pnp 2e.6 on
						irq 0x70 = 12
					end # Mouse
					device pnp 2e.a off end # IR
				end
			end # LPC bridge
			device pci 1f.2 on end # SATA Controller
			device pci 1f.3 on end # SMBus
			device pci 1f.6 on end # Thermal
		end
	end
end