src/mainboard/google/link/devicetree.cb

chip northbridge/intel/sandybridge
	# IGD Displays
	register "gfx.ndid" = "1"
	register "gfx.did" = "{ 0x80000000, 0x80000000, 0x00000000, 0x00000000, 0x00000000 }"

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

	# Enable Panel as eDP and configure power delays
	register "gpu_panel_port_select" = "1"			# eDP_A
	register "gpu_panel_power_cycle_delay" = "6"		# 500ms
	register "gpu_panel_power_up_delay" = "2000"		# 200ms
	register "gpu_panel_power_down_delay" = "500"		# 50ms
	register "gpu_panel_power_backlight_on_delay" = "2000"	# 200ms
	register "gpu_panel_power_backlight_off_delay" = "2000"	# 200ms

	# Set backlight PWM values for eDP
	register "gpu_cpu_backlight" = "0x00000200"
	register "gpu_pch_backlight" = "0x04000000"

	device cpu_cluster 0 on
		chip cpu/intel/socket_rPGA989
			device lapic 0 on end
		end
		chip cpu/intel/model_206ax
			# Magic APIC ID to locate this chip
			device lapic 0xACAC off end

			# Coordinate with HW_ALL
			register "pstate_coord_type" = "0xfe"

			register "c1_acpower" = "1"	# ACPI(C1) = MWAIT(C1)
			register "c2_acpower" = "3"	# ACPI(C2) = MWAIT(C3)
			register "c3_acpower" = "5"	# ACPI(C3) = MWAIT(C7)

			register "c1_battery" = "1"	# ACPI(C1) = MWAIT(C1)
			register "c2_battery" = "3"	# ACPI(C2) = MWAIT(C3)
			register "c3_battery" = "5"	# ACPI(C3) = MWAIT(C7)
		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

		chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH
			# GPI routing
			#  0 No effect (default)
			#  1 SMI# (if corresponding ALT_GPI_SMI_EN bit is also set)
			#  2 SCI (if corresponding GPIO_EN bit is also set)
			register "alt_gp_smi_en" = "0x0100"
			register "gpi7_routing" = "2"
			register "gpi8_routing" = "1"

			register "sata_port_map" = "0x1"

			register "sata_port0_gen3_tx" = "0x00880a7f"

			# EC range is 0x800-0x9ff
			# Please note: you MUST not change this unless
			# you also change romstage.c:pch_enable_lpc
			register "gen1_dec" = "0x00fc0801"
			register "gen2_dec" = "0x00fc0901"

			# Enable zero-based linear PCIe root port functions
			register "pcie_port_coalesce" = "1"

			register "c2_latency" = "1"
			register "p_cnt_throttling_supported" = "0"

			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 19.0 off end # Intel Gigabit Ethernet
			device pci 1a.0 on end # USB2 EHCI #2
			device pci 1b.0 on end # High Definition Audio
			device pci 1c.0 off end # PCIe Port #1 (WLAN remapped)
			device pci 1c.1 off end # PCIe Port #2
			device pci 1c.2 on end # PCIe Port #3 (WLAN actual)
			device pci 1c.3 off end # PCIe Port #4
			device pci 1c.4 off end # PCIe Port #5
			device pci 1c.5 off end # PCIe Port #6
			device pci 1c.6 off end # PCIe Port #7
			device pci 1c.7 off end # PCIe Port #8
			device pci 1d.0 on end # USB2 EHCI #1
			device pci 1e.0 off end # PCI bridge
			device pci 1f.0 on
				chip ec/google/chromeec
					# We only have one init function that
					# we need to call to initialize the
					# keyboard part of the EC.
					device pnp ff.1 on # dummy address
					end
				end
			end # LPC bridge
			device pci 1f.2 on end # SATA Controller 1
			device pci 1f.3 on end # SMBus
			device pci 1f.5 off end # SATA Controller 2
			device pci 1f.6 on end # Thermal
		end
	end
end