src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb

# SPDX-License-Identifier: GPL-2.0-or-later

chip northbridge/intel/x4x		# Northbridge
	device cpu_cluster 0 on
		ops x4x_cpu_bus_ops		# APIC cluster
		chip cpu/intel/socket_LGA775
			device lapic 0 on end
		end
		chip cpu/intel/model_1067x		# CPU
			device lapic 0xACAC off end
		end
	end
	device domain 0 on
		ops x4x_pci_domain_ops		# PCI domain
		subsystemid 0x1458 0x5000 inherit
		device pci 0.0 on			# Host Bridge
			subsystemid 0x1849 0x2e30
		end
		device pci 1.0 on end			# PEG

		device pci 2.0 on			# Integrated graphics controller
			subsystemid 0x1849 0x2e32
		end
		device pci 3.0 off end		# ME
		device pci 3.1 off end		# ME
		chip southbridge/intel/i82801gx	# Southbridge
			register "pirqa_routing" = "0x0b"
			register "pirqb_routing" = "0x0b"
			register "pirqc_routing" = "0x0b"
			register "pirqd_routing" = "0x0b"
			register "pirqe_routing" = "0x80"
			register "pirqf_routing" = "0x80"
			register "pirqg_routing" = "0x80"
			register "pirqh_routing" = "0x0b"
			# 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 "gpi13_routing" = "2"

			register "ide_enable_primary" = "true"
			register "sata_ports_implemented" = "0x3"
			register "gpe0_en" = "0x440"

			register "gen1_dec" = "0x000c0291" # Superio HWM

			device pci 1b.0 on		# Audio
				subsystemid 0x1849 0x3662
			end
			device pci 1c.0 on end		# PCIe 1
			device pci 1c.1 on end		# PCIe 2
			device pci 1c.2 off end		# PCIe 3
			device pci 1c.3 off end		# PCIe 4
			device pci 1d.0 on		# USB
				subsystemid 0x1849 0x27c8
			end
			device pci 1d.1 on		# USB
				subsystemid 0x1849 0x27c9
			end
			device pci 1d.2 on		# USB
				subsystemid 0x1849 0x27ca
			end
			device pci 1d.3 on		# USB
				subsystemid 0x1849 0x27cb
			end
			device pci 1d.7 on		# USB
				subsystemid 0x1849 0x27cc
			end
			device pci 1e.0 on end		# PCI bridge
			device pci 1e.2 off end		# AC'97 Audio
			device pci 1e.3 off end		# AC'97 Modem
			device pci 1f.0 on		# ISA bridge
				subsystemid 0x1849 0x27b8
					chip superio/nuvoton/nct6776
					device pnp 2e.0 off end		# Floppy
					device pnp 2e.1 on		# Parallel port
						# global
						irq 0x1c = 0x80
						irq 0x27 = 0x80
						irq 0x2a = 0x60
						# parallel port
						io 0x60 = 0x378
						irq 0x70 = 7
						drq 0x74 = 3
					end
					device pnp 2e.2 on		# COM1
						io 0x60 = 0x3f8
						irq 0x70 = 4
					end
					device pnp 2e.3 off end		# COM2, IR
					device pnp 2e.5 on		# Keyboard
						io 0x60 = 0x60
						io 0x62 = 0x64
						irq 0x70 = 1
					end
					device pnp 2e.6 on		# CIR
						io 0x60 = 0x230
						irq 0x70 = 3
					end
					device pnp 2e.7 off end		# GPIO6-9
					device pnp 2e.8 off end		# WDT1, GPIO0, GPIO1, GPIOA
					device pnp 2e.9 off end		# GPIO2-5
					device pnp 2e.a on		# ACPI
						irq 0xe0 = 0x03
						irq 0xe4 = 0x10 # Power dram during s3
						irq 0xe6 = 0x4c
						irq 0xe9 = 0x02
						irq 0xf0 = 0x20
					end
					device pnp 2e.b on		# HWM, front panel LED
						io 0x60 = 0x290
						io 0x62 = 0x200
						irq 0x70 = 0
					end
					device pnp 2e.d on end		# VID
					device pnp 2e.e on		# CIR WAKE-UP
						io 0x60 = 0x240
						irq 0x70 = 0
					end
					device pnp 2e.f on end		# GPIO Push-Pull or Open-drain
					device pnp 2e.14 on end		# SVID
					device pnp 2e.16 on end		# Deep Sleep
					device pnp 2e.17 on end		# GPIOA
				end
			end
			device pci 1f.1 on		# PATA/IDE
				subsystemid 0x1849 0x27df
			end
			device pci 1f.2 on		# SATA
				subsystemid 0x1849 0x27c0
			end
			device pci 1f.3 on		# SMbus
				subsystemid 0x1849 0x27da
				chip drivers/i2c/ck505	# W83115RG-965
					# set SATA to fixed 100Mhz refclk
					register "mask" = "{ 0x02 }"
					register "regs" = "{ 0x02 }"
				device i2c 69 on end
				end
			end
		end
	end
end