src/mainboard/starlabs/starbook/variants/tgl/devicetree.cb

chip soc/intel/tigerlake
# CPU
	# Enable Enhanced Intel SpeedStep
	register "eist_enable"			= "1"

	# Graphics
	# Not used but timings left for reference
	# register "panel_cfg" = "{
	#	.up_delay_ms			= 2000,				// T3
	#	.backlight_on_delay_ms		= 0,				// T7
	#	.backlight_off_delay_ms		= 2000,				// T9
	#	.down_delay_ms			= 500,				// T10
	#	.cycle_delay_ms			= 500,				// T12
	#	.backlight_pwm_hz		= 200,				// PWM
	# }"

	# FSP Memory
	register "CnviBtCore"			= "true"
	register "CnviBtAudioOffload"		= "1"
	register "enable_c6dram"		= "1"
	register "SaGv"				= "SaGv_Enabled"
	register "TcssD3ColdDisable"		= "1"

	# FSP Silicon
	# Serial I/O
	register "SerialIoI2cMode" = "{
		[PchSerialIoIndexI2C0]		= PchSerialIoPci,
		[PchSerialIoIndexI2C4]		= PchSerialIoSkipInit,
	}"

	register "SerialIoUartMode" = "{
		[PchSerialIoIndexUART2]		= PchSerialIoSkipInit,
	}"

	# Power
	register "PchPmSlpS3MinAssert"		= "2"				# 50ms
	register "PchPmSlpS4MinAssert"		= "3"				# 1s
	register "PchPmSlpSusMinAssert"		= "3"				# 500ms
	register "PchPmSlpAMinAssert"		= "3"				# 2s

	# PM Util
	# 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.
	# sudo devmem2 0xfe001920 (pmc_bar + GPIO_GPE_CFG)
	register "pmc_gpe0_dw0"			= "GPP_B"
	register "pmc_gpe0_dw1"			= "GPP_C"
	register "pmc_gpe0_dw2"			= "GPP_E"

	# Enable the correct decode ranges on the LPC bus.
	register "lpc_ioe"			= "LPC_IOE_EC_4E_4F |
						   LPC_IOE_SUPERIO_2E_2F |
						   LPC_IOE_KBC_60_64 |
						   LPC_IOE_EC_62_66 |
						   LPC_IOE_LGE_200"

	# PCIe Clock
	register "PcieClkSrcClkReq[0]"		= "PCIE_CLK_NOTUSED"
	register "PcieClkSrcClkReq[1]"		= "PCIE_CLK_NOTUSED"
	register "PcieClkSrcClkReq[2]"		= "PCIE_CLK_NOTUSED"
	register "PcieClkSrcClkReq[4]"		= "PCIE_CLK_NOTUSED"
	register "PcieClkSrcClkReq[5]"		= "PCIE_CLK_NOTUSED"
	register "PcieClkSrcClkReq[6]"		= "PCIE_CLK_NOTUSED"

# Actual device tree.
	device cpu_cluster 0 on end

	device domain 0 on
		device ref igpu		on  end
		device ref dptf		on  end
		device ref tbt_pcie_rp0	on  end
		device ref gna		on  end
		device ref north_xhci	on
			register "UsbTcPortEn"			= "1"
			register "TcssXhciEn"			= "1"
			register "TcssAuxOri"			= "0"
		end
		device ref tbt_dma0	on
			chip drivers/intel/usb4/retimer
				register "dfp[0].power_gpio"	= "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A23)"
				use tcss_usb3_port1 as dfp[0].typec_port
				device generic 0 on end
			end
		end
		device ref south_xhci	on
			# Motherboard USB Type C
			register "usb2_ports[0]"		= "USB2_PORT_TYPE_C(OC_SKIP)"
			register "tcss_ports[0]"		= "TCSS_PORT_DEFAULT(OC_SKIP)"

			# Motherboard USB 3.0
			register "usb2_ports[1]"		= "USB2_PORT_MID(OC_SKIP)"
			register "usb3_ports[0]"		= "USB3_PORT_DEFAULT(OC_SKIP)"

			# Daughterboard USB 3.0
			register "usb2_ports[2]"		= "USB2_PORT_MID(OC_SKIP)"
			register "usb3_ports[1]"		= "USB3_PORT_DEFAULT(OC_SKIP)"

			# Daughterboard SD Card
			register "usb2_ports[5]"		= "USB2_PORT_MID(OC_SKIP)"

			# Webcam
			register "usb2_ports[CONFIG_CCD_PORT]"	= "USB2_PORT_MID(OC_SKIP)"

			# Internal Bluetooth
			register "usb2_ports[9]"		= "USB2_PORT_MID(OC_SKIP)"
		end
		device ref shared_ram	on  end
		device ref cnvi_wifi	on
			chip drivers/wifi/generic
				register "wake"			= "GPE0_PME_B0"
				device generic 0 on end
			end
		end
		device ref i2c0		on
			chip drivers/i2c/hid
				register "generic.hid"		= ""STAR0001""
				register "generic.desc"		= ""Touchpad""
				register "generic.irq"		= "ACPI_IRQ_LEVEL_LOW(GPP_C8_IRQ)"
				register "generic.detect"	= "1"
				register "hid_desc_reg_offset"	= "0x20"
				device i2c 2c on end
			end
		end
		device ref heci1	on  end
		device ref sata		on
			register "SataSalpSupport"		= "1"
			# Port 1
			register "SataPortsEnable[1]"		= "1"
			register "SataPortsDevSlp[1]"		= "1"
		end
		device ref i2c4		on  end
		device ref uart2	on  end
		device ref pcie_rp9	on
			register "HybridStorageMode"		= "0"
			register "PcieRpEnable[8]"		= "1"
			register "PcieRpLtrEnable[8]"		= "1"
			register "PcieClkSrcUsage[3]"		= "0x08"
			register "PcieClkSrcClkReq[3]"		= "3"
			register "PcieRpSlotImplemented[8]"	= "1"
			smbios_slot_desc "SlotTypeM2Socket3" "SlotLengthOther" "M.2/M 2280" "SlotDataBusWidth4X"
			chip soc/intel/common/block/pcie/rtd3
				register "enable_gpio"		= "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D16)"
				register "reset_gpio"		= "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)"
				register "srcclk_pin"		= "3"
				device generic 0 on end
			end
		end
		device ref gspi1	on  end
		device ref pch_espi	on
			register "gen1_dec"			= "0x000c1641"
			register "gen2_dec"			= "0x000c0681"
			register "gen3_dec"			= "0x000c0081"
			chip drivers/pc80/tpm
				device pnp 0c31.0 on end
			end

			chip ec/starlabs/merlin
				# Port pair 4Eh/4Fh
				device pnp 4e.00 on  end			# IO Interface
				device pnp 4e.01 off end			# Com 1
				device pnp 4e.02 off end			# Com 2
				device pnp 4e.04 off end			# System Wake-Up
				device pnp 4e.05 off end			# PS/2 Mouse
				device pnp 4e.06 on				# PS/2 Keyboard
					io 0x60			= 0x0060
					io 0x62			= 0x0064
					irq 0x70		= 1
				end
				device pnp 4e.0a off end			# Consumer IR
				device pnp 4e.0f off end			# Shared Memory/Flash Interface
				device pnp 4e.10 off end			# RTC-like Timer
				device pnp 4e.11 off end			# Power Management Channel 1
				device pnp 4e.12 off end			# Power Management Channel 2
				device pnp 4e.13 off end			# Serial Peripheral Interface
				device pnp 4e.14 off end			# Platform EC Interface
				device pnp 4e.17 off end			# Power Management Channel 3
				device pnp 4e.18 off end			# Power Management Channel 4
				device pnp 4e.19 off end			# Power Management Channel 5
			end
		end
		device ref p2sb		on  end
		device ref pmc		hidden
			chip drivers/intel/pmc_mux
				device generic 0 on
					chip drivers/intel/pmc_mux/conn
						use usb2_port1 as usb2_port
						use tcss_usb3_port1 as usb3_port
						device generic 0 alias conn0 on end
					end
				end
			end
		end
		device ref hda		on
			register "PchHdaAudioLinkHdaEnable"	= "1"
		end
		device ref smbus	on  end
	end
end