chip northbridge/amd/lx
  device pci_domain 0 on
    device pci 1.0 on end		# Northbridge
    device pci 1.1 on end		# Graphics
    device pci 1.2 on end		# AES
    chip southbridge/amd/cs5536		# Southbridge
      # IRQ 12 and 1 unmasked, keyboard and mouse IRQs. OK
      # SIRQ Mode = Active(Quiet) mode. Save power...
      # Invert mask = IRQ 12 and 1 are active high. Keyboard and mouse,
      # UARTs, etc IRQs. OK
      register "lpc_serirq_enable"        = "0x000012DA"  # 00010010 11011010
      register "lpc_serirq_polarity"      = "0x0000ED25"  # inverse of above
      register "lpc_serirq_mode"          = "1"
      register "enable_gpio_int_route"    = "0x0D0C0700"
      register "enable_ide_nand_flash"    = "0"  # 0:ide mode, 1:flash
      register "enable_USBP4_device"      = "0"  # 0: host, 1:device
      register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
      register "com1_enable"              = "0"
      register "com1_address"             = "0x3E8"
      register "com1_irq"                 = "6"
      register "com2_enable"              = "0"
      register "com2_address"             = "0x2E8"
      register "com2_irq"                 = "6"
      register "unwanted_vpci[0]"         = "0"  # End of list has a zero
      device pci 8.0 on end		# Slot4
      device pci 9.0 on end		# Slot3
      device pci a.0 on end		# Slot2
      device pci b.0 on end		# Slot1
      device pci c.0 on end		# IT8888
      device pci e.0 on end		# Ethernet
      device pci f.0 on			# ISA bridge
        chip superio/ite/it8712f
          device pnp 2e.0 off		# Floppy
            io 0x60 = 0x3f0
            irq 0x70 = 6
            drq 0x74 = 2
          end
          device pnp 2e.1 on		# Com1
            io 0x60 = 0x3f8
            irq 0x70 = 4
          end
          device pnp 2e.2 on		# Com2
            io 0x60 = 0x2f8
            irq 0x70 = 3
          end
          device pnp 2e.3 on		# Parallel port
            io 0x60 = 0x378
            irq 0x70 = 7
          end
          device pnp 2e.4 on		# EC
            io 0x60 = 0x290 # EC
            io 0x62 = 0x298 # PME
            irq 0x70 = 9
          end
          device pnp 2e.5 on		# PS/2 keyboard
            io 0x60 = 0x60
            io 0x62 = 0x64
            irq 0x70 = 1
          end
          device pnp 2e.6 on		# PS/2 mouse
            irq 0x70 = 12
          end
          device pnp 2e.7 on		# GPIO
            io 0x62 = 0x1220 # Simple I/O
            # io 0x64 = 0x1228 # SPI
          end
          device pnp 2e.8 off		# MIDI
            io 0x60 = 0x300
            irq 0x70 = 9
          end
          device pnp 2e.9 off		# Game port
            io 0x60 = 0x220
          end
          device pnp 2e.a off end	# CIR
        end
      end
      device pci f.2 on end		# IDE controller
      device pci f.3 on end		# Audio
      device pci f.4 on end		# OHCI
      device pci f.5 on end		# EHCI
    end
  end
  # APIC cluster is late CPU init.
  device lapic_cluster 0 on
    chip cpu/amd/model_lx
      device lapic 0 on end
    end
  end
end