## SPDX-License-Identifier: GPL-2.0-only

chip northbridge/intel/i945
	# IGD Displays
	register "gfx" = "GMA_STATIC_DISPLAYS(0)"

	device cpu_cluster 0 on ops i945_cpu_bus_ops end		# APIC cluster

	register "pci_mmio_size" = "768"

	device domain 0 on
		ops i945_pci_domain_ops
		subsystemid 0x4352 0x6886 inherit
		device pci 00.0 on  end	# host bridge
		# auto detection:
		#device pci 01.0 off end # i945 PCIe root port
		device pci 02.0 on  end	# vga controller
		device pci 02.1 on  end	# display controller

		chip southbridge/intel/i82801gx
			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" = "0x0b"
			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 "gpi8_routing"  = "1"
			register "gpi7_routing"  = "2"
			register "gpe0_en" = "0x20800007"

			register "c3_latency" = "0x23"
			register "docking_supported" = "1"
			register "p_cnt_throttling_supported" = "1"

			register "sata_mode" = "SATA_MODE_IDE_LEGACY_COMBINED"
			register "ide_enable_primary" = "true"
			register "ide_enable_secondary" = "false"

			register "gen1_dec" = "0x001c02e1" # COM3, COM4
			register "gen2_dec" = "0x00fc0601" # ??
			register "gen3_dec" = "0x00040069" # EC decode ??

			device pci 1b.0 off end	# High Definition Audio
			device pci 1c.0 on  end	# PCIe port 1
			device pci 1c.1 off end	# PCIe port 2
			device pci 1c.2 off end	# PCIe port 3
			device pci 1c.3 on  end	# PCIe port 4
			device pci 1c.4 off end	# PCIe port 5
			device pci 1c.5 off end	# PCIe port 6
			device pci 1d.0 on  end	# USB UHCI
			device pci 1d.1 on  end	# USB UHCI
			device pci 1d.2 on  end	# USB UHCI
			device pci 1d.3 on  end	# USB UHCI
			device pci 1d.7 on  end	# USB2 EHCI
			device pci 1e.0 on	# PCI bridge
				chip southbridge/ti/pci7420
					register "smartcard_enabled" = "0x0"
					device pci 3.0 on end
					device pci 3.1 on end
					device pci 3.2 on end
					device pci 3.3 off end  # smartcard
				end
			end
			device pci 1e.2 on  end	# AC'97 Audio
			device pci 1e.3 off end	# AC'97 Modem
			device pci 1f.0 on	# LPC bridge
				chip superio/smsc/lpc47n227
					device pnp 2e.1 on	# Parallel port
						 io 0x60 = 0x378
						irq 0x70 = 5
					end
					device pnp 2e.2 on	# COM1
						 io 0x60 = 0x3f8
						irq 0x70 = 4
					end
					device pnp 2e.3 on	# COM2
						 io 0x60 = 0x2f8
						irq 0x70 = 3
					end
					device pnp 2e.5 off	# Keyboard+Mouse
					#	 io 0x60 = 0x60
					#	 io 0x62 = 0x64
					#	irq 0x70 = 1
					#	irq 0x72 = 12
					end
				end
				chip superio/renesas/m3885x
					device pnp ff.1 on # dummy address
					end
				end
			end
			device pci 1f.1 off end # IDE
			device pci 1f.2 on  end # SATA
			device pci 1f.3 on  end # SMBus
		end
	end
end