IEI PM-LX2-800-R10: Added preliminary mainboard support

Details for this board are available at
http://usa.ieiworld.com/product_groups/industrial/content.aspx?gid=00001000010000000001&cid=09050662496936266123&id=09034367569861123956

Support for the IT8888 PCI to ISA bridge will be added in a later
patch.

Change-Id: Iaefe47f5ad405a56d230c929e5850156eb0f60ae
Signed-off-by: Ricardo Martins <rasmartins@gmail.com>
Reviewed-on: http://review.coreboot.org/1152
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/mainboard/iei/pm-lx2-800-r10/devicetree.cb b/src/mainboard/iei/pm-lx2-800-r10/devicetree.cb
new file mode 100644
index 0000000..ff60894
--- /dev/null
+++ b/src/mainboard/iei/pm-lx2-800-r10/devicetree.cb
@@ -0,0 +1,87 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2012 Ricardo Martins <rasmartins@gmail.com>
+##
+## This program is free software; you can redistribute it and/or
+## modify it under the terms of the GNU General Public License as
+## published by the Free Software Foundation; version 2 of
+## the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+## MA 02110-1301 USA
+##
+
+chip northbridge/amd/lx
+	device pci_domain 0 on
+		device pci 1.0 on end				# Northbridge
+		device pci 1.1 on end				# Video Adapter
+		device pci 1.2 on end				# AES Security Block
+		chip southbridge/amd/cs5536
+			register "lpc_serirq_enable" = "0x000010da"
+			register "lpc_serirq_polarity" = "0x0000ef25"
+			register "lpc_serirq_mode" = "1"
+			register "enable_gpio_int_route" = "0x0d0c0700"
+			register "enable_ide_nand_flash" = "0"
+			register "enable_USBP4_device" = "0"	# 0:host, 1:device
+			register "enable_USBP4_overcurrent" = "0"
+			register "com1_enable" = "0"
+			register "com2_enable" = "0"
+			register "unwanted_vpci[0]" = "0"	# End of list has a zero
+			device pci 11.0 on end			# IT8888
+			device pci e.0 on end			# RTL8100C
+			device pci f.0 on			# ISA Bridge
+				chip superio/smsc/smscsuperio	# SMSC SCH3114
+					device pnp 2e.0 on	# Floppy
+						io 0x60 = 0x3f0
+						irq 0x70 = 6
+						drq 0x74 = 2
+					end
+
+					device pnp 2e.3 on	# Parallel port
+						io 0x60 = 0x378
+						irq 0x70 = 7
+					end
+
+					device pnp 2e.4 on	# COM1
+						io 0x60 = 0x3f8
+						irq 0x70 = 4
+					end
+
+					device pnp 2e.5 on	# COM2
+						io 0x60 = 0x2f8
+						irq 0x70 = 3
+					end
+
+					device pnp 2e.7 on	# PS/2 keyboard/mouse
+						io 0x60 = 0x60
+						io 0x62 = 0x64
+						irq 0x70 = 1	# Keyboard
+						irq 0x72 = 12	# Mouse
+					end
+
+					device pnp 2e.a on	# Runtime Register
+						io 0x60 = 0x400
+					end
+				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/geode_lx
+			device lapic 0 on end
+		end
+	end
+end