src/mainboard/lenovo/t520/devicetree.cb

chip northbridge/intel/sandybridge
	# IGD Displays
	register "gfx" = "GMA_STATIC_DISPLAYS(1)"

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

	# Enable Panel as LVDS and configure power delays
	register "gpu_panel_port_select" = "PANEL_PORT_LVDS"
	register "gpu_panel_power_cycle_delay" = "5"
	register "gpu_panel_power_up_delay" = "300"		# T1+T2: 30ms
	register "gpu_panel_power_down_delay" = "300"		# T5+T6: 30ms
	register "gpu_panel_power_backlight_on_delay" = "2000"	# T3: 200ms
	register "gpu_panel_power_backlight_off_delay" = "2000"	# T4: 200ms
	register "gpu_cpu_backlight" = "0x1155"
	register "gpu_pch_backlight" = "0x06100610"

	chip cpu/intel/model_206ax
		# Values obtained from vendor BIOS
		register "pp0_psi[VR12_PSI2]" = "{VR12_ALL_PHASES, 5}"
		register "pp0_psi[VR12_PSI3]" = "{VR12_ALL_PHASES, 1}"
		register "pp1_psi[VR12_PSI2]" = "{VR12_ALL_PHASES, 5}"
		register "pp1_psi[VR12_PSI3]" = "{VR12_ALL_PHASES, 1}"
		device cpu_cluster 0 on end
	end
	device domain 0 on
		subsystemid 0x17aa 0x21cf inherit

		device ref host_bridge on end
		device ref peg10 on end # NVIDIA Copcie_rporation GF119M [NVS 4200M]
		device ref igd on
			subsystemid 0x17aa 0x21d1
		end

		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" = "0x0000"
			register "gpi1_routing" = "2"
			register "gpi13_routing" = "2"

			# Enable SATA ports 0 (HDD bay) & 1 (ODD bay) & 2 (mSATA) & 3 (eSATA) & 4 (dock)
			register "sata_port_map" = "0x1f"
			# Set max SATA speed to 6.0 Gb/s
			register "sata_interface_speed_support" = "0x3"

			register "gen1_dec" = "0x7c1601"
			register "gen2_dec" = "0x0c15e1"
			register "gen4_dec" = "0x0c06a1"

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

			register "pcie_hotplug_map" = "{ 0, 0, 0, 1, 0, 0, 0, 0 }"

			register "spi_uvscc" = "0x2005"
			register "spi_lvscc" = "0x2005"

			device ref mei1 on end
			device ref mei2 off end
			device ref me_ide_r off end
			device ref me_kt off end
			device ref gbe on
				subsystemid 0x17aa 0x21ce
			end
			device ref ehci2 on end
			device ref hda on end
			device ref pcie_rp1 off end
			device ref pcie_rp2 on end # Integrated Wireless LAN
			device ref pcie_rp3 off end
			device ref pcie_rp4 on
				smbios_slot_desc "7" "3" "ExpressCard Slot" "8"
			end
			device ref pcie_rp5 on end # MMC/SDXC + IEEE1394
			device ref pcie_rp6 off end # Intel Ethernet PHY
			device ref pcie_rp7 off end
			device ref pcie_rp8 off end
			device ref ehci1 on end
			device ref lpc on
				chip ec/lenovo/pmh7
					device pnp ff.1 on end # dummy
					register "backlight_enable" = "true"
					register "dock_event_enable" = "true"
				end

				chip drivers/pc80/tpm
					device pnp 0c31.0 on end
				end

				chip ec/lenovo/h8
					device pnp ff.2 on # dummy
						io 0x60 = 0x62
						io 0x62 = 0x66
						io 0x64 = 0x1600
						io 0x66 = 0x1604
					end

					register "config0" = "0xa7"
					register "config1" = "0x09"
					register "config2" = "0xa0"
					register "config3" = "0xc2"

					register "beepmask0" = "0x00"
					register "beepmask1" = "0x86"
					register "has_power_management_beeps" = "0"
					register "event2_enable" = "0xff"
					register "event3_enable" = "0xff"
					register "event4_enable" = "0xd0"
					register "event5_enable" = "0xfc"
					register "event6_enable" = "0x00"
					register "event7_enable" = "0x01"
					register "event8_enable" = "0x7b"
					register "event9_enable" = "0xff"
					register "eventa_enable" = "0x01"
					register "eventb_enable" = "0x00"
					register "eventc_enable" = "0xff"
					register "eventd_enable" = "0xff"
					register "evente_enable" = "0x0d"

					register "has_bdc_detection" = "1"
					register "bdc_gpio_num" = "54"
					register "bdc_gpio_lvl" = "0"
				end
				chip drivers/lenovo/hybrid_graphics
					device pnp ff.f on end # dummy

					register "detect_gpio" = "21"

					register "has_panel_hybrid_gpio" = "1"
					register "panel_hybrid_gpio" = "52"
					register "panel_integrated_lvl" = "1"

					register "has_backlight_gpio" = "0"
					register "has_dgpu_power_gpio" = "0"

					register "has_thinker1" = "1"
				end
			end
			device ref sata1 on end
			device ref smbus on
				# eeprom, 8 virtual devices, same chip
				chip drivers/i2c/at24rf08c
					device i2c 54 on end
					device i2c 55 on end
					device i2c 56 on end
					device i2c 57 on end
					device i2c 5c on end
					device i2c 5d on end
					device i2c 5e on end
					device i2c 5f on end
				end
			end
			device ref sata2 off end
			device ref thermal off end
		end
	end
end