CK804/MCP55 devicetree.cb cosmetic and indentation fixes.

Add a few more comments for the entries, and also change the devicetree.cb
files to the more compact and better readable variant with indentation level
of 2 spaces (instead of random mix of tabs and spaces).

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6071 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

17 files changed, 2212 insertions, 2245 deletions

diff --git a/src/mainboard/asus/a8n_e/devicetree.cb b/src/mainboard/asus/a8n_e/devicetree.cb
index c5a4c886c0..ca2ebf9ed0 100644
--- a/src/mainboard/asus/a8n_e/devicetree.cb
+++ b/src/mainboard/asus/a8n_e/devicetree.cb
@@ -1,14 +1,13 @@
 chip northbridge/amd/amdk8/root_complex		# Root complex
-  device lapic_cluster 0 on			# APIC cluster
-    chip cpu/amd/socket_939			# Socket 939 CPU
-      device lapic 0 on end			# APIC
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_939			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
     end
   end
 
   device pci_domain 0 on			# PCI domain
-    chip northbridge/amd/amdk8			# mc0
-      device pci 18.0 on			# Northbridge
-        # Devices on link 0, link 0 == LDT 0
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
         chip southbridge/nvidia/ck804		# Southbridge
           device pci 0.0 on end			# HT
           device pci 1.0 on			# LPC
@@ -62,7 +61,7 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
                 io 0xc8 = 0x0000
                 io 0xca = 0x0500
               end
-              device pnp 2e.8 on		# Midi port
+              device pnp 2e.8 on		# MIDI port
                 io 0x60 = 0x300
                 irq 0x70 = 10
               end
@@ -76,28 +75,28 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
             end
           end
           device pci 1.1 on			# SM 0
-            # chip drivers/generic/generic #dimm 0-0-0
+            # chip drivers/generic/generic	# DIMM 0-0-0
             #   device i2c 50 on end
             # end
-            # chip drivers/generic/generic #dimm 0-0-1
+            # chip drivers/generic/generic	# DIMM 0-0-1
             #   device i2c 51 on end
             # end
-            # chip drivers/generic/generic #dimm 0-1-0
+            # chip drivers/generic/generic	# DIMM 0-1-0
             #   device i2c 52 on end
             # end
-            # chip drivers/generic/generic #dimm 0-1-1
+            # chip drivers/generic/generic	# DIMM 0-1-1
             #   device i2c 53 on end
             # end
-            # chip drivers/generic/generic #dimm 1-0-0
+            # chip drivers/generic/generic	# DIMM 1-0-0
             #   device i2c 54 on end
             # end
-            # chip drivers/generic/generic #dimm 1-0-1
+            # chip drivers/generic/generic	# DIMM 1-0-1
             #   device i2c 55 on end
             # end
-            # chip drivers/generic/generic #dimm 1-1-0
+            # chip drivers/generic/generic	# DIMM 1-1-0
             #   device i2c 56 on end
             # end
-            # chip drivers/generic/generic #dimm 1-1-1
+            # chip drivers/generic/generic	# DIMM 1-1-1
             #   device i2c 57 on end
             # end
           end
@@ -118,6 +117,7 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
           register "ide1_enable" = "1"
           register "sata0_enable" = "1"
           register "sata1_enable" = "1"
+          # TODO
           # register "mac_eeprom_smbus" = "3"
           # register "mac_eeprom_addr" = "0x51"
         end
diff --git a/src/mainboard/gigabyte/m57sli/devicetree.cb b/src/mainboard/gigabyte/m57sli/devicetree.cb
index d942acaf20..fbad32ea12 100644
--- a/src/mainboard/gigabyte/m57sli/devicetree.cb
+++ b/src/mainboard/gigabyte/m57sli/devicetree.cb
@@ -1,174 +1,177 @@
-chip northbridge/amd/amdk8/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_AM2
-			device lapic 0 on end
-		end
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_AM2			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+end
+device pci_domain 0 on				# PCI domain
+  chip northbridge/amd/amdk8			# Northbridge / RAM controller
+    device pci 18.0 on				# Link 0 == LDT 0
+      chip southbridge/nvidia/mcp55		# Southbridge
+        device pci 0.0 on end			# HT
+        device pci 1.0 on			# LPC
+          chip superio/ite/it8716f		# Super I/O
+            device pnp 2e.0 on			# Floppy and any LDN
+              # Watchdog from CLKIN (24 MHz)
+              irq 0x23 = 0x11
+              # Serial Flash (SPI only)
+              # 0x24 = 0x1a
+              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 off			# 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			# Embedded controller
+              io 0x60 = 0x290
+              io 0x62 = 0x230
+              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, SPI flash
+              # Pin 84 is not GP10
+              irq 0x25 = 0x0
+              # Pin 21 is GP26, pin 26 is GP21, pin 27 is GP20
+              irq 0x26 = 0x43
+              # Pin 13 is GP35
+              irq 0x27 = 0x20
+              # Pin 70 is not GP46
+              # irq 0x28 = 0x0
+              # Pin 6,3,128,127,126 is GP63,64,65,66,67
+              irq 0x29 = 0x81
+              # Enable FAN_CTL/FAN_TAC set to 5 (pin 21, 23),
+              # enable FAN_CTL/FAN_TAC set to 4 (pin 20, 22),
+              # pin 48 is PCIRST5#, pin91 is PCIRSTIN#, VIN7 is internal
+              # voltage divider for VCCH5V, pin 95 is ATXPG, VIN3 is internal
+              # voltage divider for VCC5V
+              # irq 0x2c = 0x1f
+              # Simple I/O base
+              io 0x62 = 0x800
+              # Serial Flash I/O (SPI only)
+              io 0x64 = 0x820
+              # Watchdog force timeout (parallel flash only)
+              # irq 0x71 = 0x1
+              # No WDT interrupt
+              irq 0x72 = 0x0
+              # GPIO pin set 1 disable internal pullup
+              irq 0xb8 = 0x0
+              # GPIO pin set 5 enable internal pullup
+              irq 0xbc = 0x01
+              # SIO pin set 1 alternate function
+              # irq 0xc0 = 0x0
+              # SIO pin set 2 mixed function
+              irq 0xc1 = 0x43
+              # SIO pin set 3 mixed function
+              irq 0xc2 = 0x20
+              # SIO pin set 4 alternate function
+              # irq 0xc3 = 0x0
+              # SIO pin set 1 input mode
+              # irq 0xc8 = 0x0
+              # SIO pin set 2 input mode
+              irq 0xc9 = 0x0
+              # SIO pin set 4 input mode
+              # irq 0xcb = 0x0
+              # Generate SMI# on EC IRQ
+              # irq 0xf0 = 0x10
+              # SMI# level trigger
+              # irq 0xf1 = 0x40
+              # HWMON alert beep pin location
+              irq 0xf6 = 0x28
+            end
+            device pnp 2e.8 off			# MIDI
+              io 0x60 = 0x300
+              irq 0x70 = 10
+            end
+            device pnp 2e.9 off			# Game port
+              io 0x60 = 0x220
+            end
+            device pnp 2e.a off end		# Consumer IR
+          end
+        end
+        device pci 1.1 on			# SM 0
+          chip drivers/generic/generic		# DIMM 0-0-0
+            device i2c 50 on end
+          end
+          chip drivers/generic/generic		# DIMM 0-0-1
+            device i2c 51 on end
+          end
+          chip drivers/generic/generic		# DIMM 0-1-0
+            device i2c 52 on end
+          end
+          chip drivers/generic/generic		# DIMM 0-1-1
+            device i2c 53 on end
+          end
+          chip drivers/generic/generic		# DIMM 1-0-0
+            device i2c 54 on end
+          end
+          chip drivers/generic/generic		# DIMM 1-0-1
+            device i2c 55 on end
+          end
+          chip drivers/generic/generic		# DIMM 1-1-0
+            device i2c 56 on end
+          end
+          chip drivers/generic/generic		# DIMM 1-1-1
+            device i2c 57 on end
+          end
+        end
+        device pci 2.0 on end			# USB 1.1
+        device pci 2.1 on end			# USB 2
+        device pci 4.0 on end			# IDE
+        device pci 5.0 on end			# SATA 0
+        device pci 5.1 on end			# SATA 1
+        device pci 5.2 on end			# SATA 2
+        device pci 6.0 on end			# PCI
+        device pci 6.1 on end			# AUDIO
+        device pci 8.0 on end			# NIC
+        device pci 9.0 off end			# N/A
+        device pci a.0 on end			# PCI E 5
+        device pci b.0 on end			# PCI E 4
+        device pci c.0 on end			# PCI E 3
+        device pci d.0 on end			# PCI E 2
+        device pci e.0 on end			# PCI E 1
+        device pci f.0 on end			# PCI E 0
+        register "ide0_enable" = "1"
+        register "sata0_enable" = "1"
+        register "sata1_enable" = "1"
+        # 1: SMBus under 2e.8, 2: SM0 3: SM1
+        register "mac_eeprom_smbus" = "3"
+        register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 18.0 on end			# Link 1
+      device pci 18.0 on end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 on end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 off end			# io
+  # end
 end
-device pci_domain 0 on
-	chip northbridge/amd/amdk8 #mc0
-		device pci 18.0 on #  devices on link 0, link 0 == LDT 0
-			chip southbridge/nvidia/mcp55
-				device pci 0.0 on end # HT
-				device pci 1.0 on # LPC
-					chip superio/ite/it8716f
-						# Floppy and any LDN
-						device pnp 2e.0 on
-							# Watchdog from CLKIN, CLKIN = 24 MHz
-							irq 0x23 = 0x11
-							# Serial Flash (SPI only)
-							#0x24 = 0x1a
-							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 off # 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
-							io 0x62 = 0x230
-							irq 0x70 = 9
-						end
-						device pnp 2e.5 on #  Keyboard
-							io 0x60 = 0x60
-							io 0x62 = 0x64
-							irq 0x70 = 1
-						end
-						device pnp 2e.6 on #  Mouse
-							irq 0x70 = 12
-						end
-						device pnp 2e.7 on #  GPIO, SPI flash
-						# pin 84 is not GP10
-							irq 0x25 = 0x0
-						# pin 21 is GP26, pin 26 is GP21, pin 27 is GP20
-							irq 0x26 = 0x43
-						# pin 13 is GP35
-							irq 0x27 = 0x20
-						# pin 70 is not GP46
-							#irq 0x28 = 0x0
-						# pin 6,3,128,127,126 is GP63,64,65,66,67
-							irq 0x29 = 0x81
-						# Enable FAN_CTL/FAN_TAC set to 5 (pin 21,23), enable FAN_CTL/FAN_TAC set to 4 (pin 20,22), pin 48 is PCIRST5#, pin91 is PCIRSTIN#, VIN7 is internal voltage divider for VCCH5V, pin 95 is ATXPG, VIN3 is internal voltage divider for VCC5V
-							#irq 0x2c = 0x1f
-						# Simple I/O base
-							io 0x62 = 0x800
-						# Serial Flash I/O (SPI only)
-							io 0x64 = 0x820
-						# watch dog force timeout (parallel flash only)
-							#irq 0x71 = 0x1
-						# No WDT interrupt
-							irq 0x72 = 0x0
-						# GPIO pin set 1 disable internal pullup
-							irq 0xb8 = 0x0
-						# GPIO pin set 5 enable internal pullup
-							irq 0xbc = 0x01
-						# SIO pin set 1 alternate function
-							#irq 0xc0 = 0x0
-						# SIO pin set 2 mixed function
-							irq 0xc1 = 0x43
-						# SIO pin set 3 mixed function
-							irq 0xc2 = 0x20
-						# SIO pin set 4 alternate function
-							#irq 0xc3 = 0x0
-						# SIO pin set 1 input mode
-							#irq 0xc8 = 0x0
-						# SIO pin set 2 input mode
-							irq 0xc9 = 0x0
-						# SIO pin set 4 input mode
-							#irq 0xcb = 0x0
-						# Generate SMI# on EC IRQ
-							#irq 0xf0 = 0x10
-						# SMI# level trigger
-							#irq 0xf1 = 0x40
-						# HWMON alert beep pin location
-							irq 0xf6 = 0x28
-						end
-						device pnp 2e.8 off #  MIDI
-							io 0x60 = 0x300
-							irq 0x70 = 10
-						end
-						device pnp 2e.9 off #  GAME
-							io 0x60 = 0x220
-						end
-						device pnp 2e.a off end #  CIR
-					end
-				end
-				device pci 1.1 on # SM 0
-					chip drivers/generic/generic #dimm 0-0-0
-						device i2c 50 on end
-					end
-					chip drivers/generic/generic #dimm 0-0-1
-						device i2c 51 on end
-					end
-					chip drivers/generic/generic #dimm 0-1-0
-						device i2c 52 on end
-					end
-					chip drivers/generic/generic #dimm 0-1-1
-						device i2c 53 on end
-					end
-					chip drivers/generic/generic #dimm 1-0-0
-						device i2c 54 on end
-					end
-					chip drivers/generic/generic #dimm 1-0-1
-						device i2c 55 on end
-					end
-					chip drivers/generic/generic #dimm 1-1-0
-						device i2c 56 on end
-					end
-					chip drivers/generic/generic #dimm 1-1-1
-						device i2c 57 on end
-					end
-				end # SM
-				device pci 2.0 on end # USB 1.1
-				device pci 2.1 on end # USB 2
-				device pci 4.0 on end # IDE
-				device pci 5.0 on end # SATA 0
-				device pci 5.1 on end # SATA 1
-				device pci 5.2 on end # SATA 2
-				device pci 6.0 on end # PCI
-				device pci 6.1 on end # AUDIO
-				device pci 8.0 on end # NIC
-				device pci 9.0 off end # N/A
-				device pci a.0 on end # PCI E 5
-				device pci b.0 on end # PCI E 4
-				device pci c.0 on end # PCI E 3
-				device pci d.0 on end # PCI E 2
-				device pci e.0 on end # PCI E 1
-				device pci f.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #device pci 18.0
-			device pci 18.0 on end # Link 1
-			device pci 18.0 on end
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end # mc0
-	end # PCI domain
-
-#	chip drivers/generic/debug
-#		device pnp 0.0 off end # chip name
-#		device pnp 0.1 on end # pci_regs_all
-#		device pnp 0.2 on end # mem
-#		device pnp 0.3 off end # cpuid
-#		device pnp 0.4 on end # smbus_regs_all
-#		device pnp 0.5 off end # dual core msr
-#		device pnp 0.6 off end # cache size
-#		device pnp 0.7 off end # tsc
-#		device pnp 0.8 off  end # io
-#		device pnp 0.9 off end # io
-#	end
-end #root_complex
diff --git a/src/mainboard/msi/ms7135/devicetree.cb b/src/mainboard/msi/ms7135/devicetree.cb
index c431816db5..e796b94650 100644
--- a/src/mainboard/msi/ms7135/devicetree.cb
+++ b/src/mainboard/msi/ms7135/devicetree.cb
@@ -1,14 +1,13 @@
 chip northbridge/amd/amdk8/root_complex		# Root complex
-  device lapic_cluster 0 on			# APIC cluster
-    chip cpu/amd/socket_754			# Socket 754 CPU
-      device lapic 0 on end			# APIC
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_754			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
     end
   end
 
   device pci_domain 0 on			# PCI domain
-    chip northbridge/amd/amdk8			# mc0
-      device pci 18.0 on			# Northbridge
-        # Devices on link 0, link 0 == LDT 0
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
         chip southbridge/nvidia/ck804		# Southbridge
           device pci 0.0 on end			# HT
           device pci 1.0 on			# LPC
@@ -52,14 +51,14 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
           device pci 2.0 on end			# USB 1.1
           device pci 2.1 on end			# USB 2
           device pci 4.0 on end			# Onboard audio (ACI)
-          device pci 4.1 off end		# Onboard modem (MCI) -- not wired out
+          device pci 4.1 off end		# Onboard modem (MCI), N/A
           device pci 6.0 on end			# IDE
           device pci 7.0 on end			# SATA 1
           device pci 8.0 on end			# SATA 0
           device pci 9.0 on end			# PCI
           device pci a.0 on end			# NIC
-          device pci b.0 off end		# PCI E 3 -- not wired out
-          device pci c.0 off end		# PCI E 2 -- not wired out
+          device pci b.0 off end		# PCI E 3 (N/A)
+          device pci c.0 off end		# PCI E 2 (N/A)
           device pci d.0 on end			# PCI E 1
           device pci e.0 on end			# PCI E 0
           register "ide0_enable" = "1"
diff --git a/src/mainboard/msi/ms7260/devicetree.cb b/src/mainboard/msi/ms7260/devicetree.cb
index 4c4f855ba4..ff7894ead8 100644
--- a/src/mainboard/msi/ms7260/devicetree.cb
+++ b/src/mainboard/msi/ms7260/devicetree.cb
@@ -1,13 +1,12 @@
 chip northbridge/amd/amdk8/root_complex		# Root complex
-  device lapic_cluster 0 on			# APIC cluster
-    chip cpu/amd/socket_AM2			# CPU
-      device lapic 0 on end			# APIC
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_AM2			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
     end
   end
   device pci_domain 0 on			# PCI domain
-    chip northbridge/amd/amdk8			# Northbridge / mc0
-      device pci 18.0 on
-        # Devices on link 0, link 0 == LDT 0
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
         chip southbridge/nvidia/mcp55		# Southbridge
           device pci 0.0 on end			# HT
           device pci 1.0 on			# LPC
@@ -83,19 +82,19 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
           end
           # TODO: Check if the stuff below is correct / needed.
           device pci 1.1 on			# SM 1
-            # PCI device SMBus address will depend on addon PCI device,
-            # do we need to scan_smbus_bus?
-
-            # chip drivers/generic/generic	# PCIXA Slot1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
             #   device i2c 50 on end
             # end
-            # chip drivers/generic/generic	# PCIXB Slot1
+            # chip drivers/generic/generic	# PCIXB slot 1
             #   device i2c 51 on end
             # end
-            # chip drivers/generic/generic	# PCIXB Slot2
+            # chip drivers/generic/generic	# PCIXB slot 2
             #   device i2c 52 on end
             # end
-            # chip drivers/generic/generic	# PCI Slot1
+            # chip drivers/generic/generic	# PCI slot 1
             #   device i2c 53 on end
             # end
             # chip drivers/generic/generic	# Master MCP55 PCI-E
@@ -128,7 +127,8 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
           register "sata0_enable" = "1"
           register "sata1_enable" = "1"
           # TODO: Check the two lines below.
-          register "mac_eeprom_smbus" = "3"	# 1: SMBus under 2e.8, 2: SM0 3: SM1
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
           register "mac_eeprom_addr" = "0x51"
         end
       end
@@ -139,19 +139,17 @@ chip northbridge/amd/amdk8/root_complex		# Root complex
       device pci 18.3 on end
     end
   end
-
-# TODO
-#  chip drivers/generic/debug
-#    device pnp 0.0 off end			# chip name
-#    device pnp 0.1 on end			# pci_regs_all
-#    device pnp 0.2 on end			# mem
-#    device pnp 0.3 off end			# cpuid
-#    device pnp 0.4 on end			# smbus_regs_all
-#    device pnp 0.5 off end			# dual core msr
-#    device pnp 0.6 off end			# cache size
-#    device pnp 0.7 off end			# tsc
-#    device pnp 0.8 off end			# io
-#    device pnp 0.9 off end			# io
-#  end
-
+  # TODO
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 on end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 off end			# io
+  # end
 end
diff --git a/src/mainboard/msi/ms9282/devicetree.cb b/src/mainboard/msi/ms9282/devicetree.cb
index 7159ec0fbc..a4a4f6563c 100644
--- a/src/mainboard/msi/ms9282/devicetree.cb
+++ b/src/mainboard/msi/ms9282/devicetree.cb
@@ -1,181 +1,176 @@
-chip northbridge/amd/amdk8/root_complex
-        device lapic_cluster 0 on
-                chip cpu/amd/socket_F
-                        device lapic 0 on end
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627ehg	# Super I/O
+              device pnp 2e.0 on		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              end
+              device pnp 2e.2 on		# Com1
+                io 0x60 = 0x3f8
+                irq 0x70 = 4
+              end
+              device pnp 2e.3 off		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.5 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# Serial flash
+                io 0x60 = 0x100
+              end
+              device pnp 2e.7 off		# Game port, MIDI, GPIO1
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO2, GPIO3, GPIO4, GPIO5
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/i2c/i2cmux2		# PCA9554 SMBus mux
+              device i2c 70 on			# 0 pca9554 1
+                chip drivers/generic/generic	# DIMM 0-0-0
+                  device i2c 50 on end
                 end
+                chip drivers/generic/generic	# DIMM 0-0-1
+                  device i2c 51 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-0
+                  device i2c 52 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-1
+                  device i2c 53 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-0-0
+                  device i2c 54 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-0-1
+                  device i2c 55 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-0
+                  device i2c 56 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-1
+                  device i2c 57 on end
+                end
+              end
+              device i2c 70 on			# 0 pca9554 2
+                chip drivers/generic/generic	# DIMM 0-0-0
+                  device i2c 50 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-0-1
+                  device i2c 51 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-0
+                  device i2c 52 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-1
+                  device i2c 53 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-0-0
+                  device i2c 54 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-0-1
+                  device i2c 55 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-0
+                  device i2c 56 on end
+                end
+                chip drivers/generic/generic	# DIMM 0-1-1
+                  device i2c 57 on end
+                end
+              end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            chip drivers/i2c/i2cmux2		# pca9554 SMBus mux
+              device i2c 72 on			# PCA9554 channel 1
+                chip drivers/i2c/adm1027	# HWM ADT7476 1
+                  device i2c 2e on end
+                end
+              end
+              device i2c 72 on			# PCA9545 channel 2
+                chip drivers/i2c/adm1027	# HWM ADT7463
+                  device i2c 2e on end
+                end
+              end
+              device i2c 72 on end		# PCA9545 channel 3
+              device i2c 72 on			# PCA9545 channel 4
+                chip drivers/i2c/adm1027	# HWM ADT7476 2
+                  device i2c 2e on end
+                end
+              end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 on			# P2P
+            device pci 4.0 on end
+          end
+          device pci 7.0 on end			# reserve
+          device pci 8.0 on end			# MAC0
+          device pci 9.0 on end			# MAC1
+          device pci a.0 on
+            device pci 0.0 on
+              device pci 4.0 on end		# PCI-E LAN1
+              device pci 4.1 on end		# PCI-E LAN2
+            end
+          end # 0x376
+          device pci b.0 on end			# PCI E 0x374
+          device pci c.0 on end
+          device pci d.0 on			# SAS
+            device pci 0.0 on end
+          end # PCI E 1 0x378
+          device pci e.0 on end			# PCI E 0 0x375
+          device pci f.0 on end			# PCI E 0x377, PCI-E slot
+          register "ide0_enable" = "1"
+          register "ide1_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
         end
-
-       device pci_domain 0 on
-               chip northbridge/amd/amdk8 #mc0
-                       device pci 18.0 on #  northbridge
-                               #  devices on link 0, link 0 == LDT 0
-                               chip southbridge/nvidia/mcp55
-                                       device pci 0.0 on end   # HT
-                                       device pci 1.0 on # LPC
-                                               chip superio/winbond/w83627ehg
-                                                       device pnp 2e.0 on #  Floppy
-                                                               io 0x60 = 0x3f0
-                                                               irq 0x70 = 6
-                                                               drq 0x74 = 2
-                                                       end
-                                                       device pnp 2e.1 off #  Parallel Port
-                                                               io 0x60 = 0x378
-                                                               irq 0x70 = 7
-                                                       end
-                                                       device pnp 2e.2 on #  Com1
-                                                               io 0x60 = 0x3f8
-                                                               irq 0x70 = 4
-                                                       end
-                                                       device pnp 2e.3 off #  Com2
-                                                               io 0x60 = 0x2f8
-                                                               irq 0x70 = 3
-                                                       end
-                                                       device pnp 2e.5 on #  Keyboard
-                                                               io 0x60 = 0x60
-                                                               io 0x62 = 0x64
-                                                               irq 0x70 = 1
-                                                               irq 0x72 = 12
-                                                       end
-                                                       device pnp 2e.6 off #  SERIAL_FALSH
-                                                               io 0x60 = 0x100
-                                                       end
-                                                       device pnp 2e.7 off #  GAME_MIDI_GIPO1
-                                                               io 0x60 = 0x220
-                                                               io 0x62 = 0x300
-                                                               irq 0x70 = 9
-                                                       end
-                                                       device pnp 2e.8 off end #  WDTO_PLED
-                                                       device pnp 2e.9 off end #  GPIO2_GPIO3_GPIO4_GPIO5
-                                                       device pnp 2e.a off end #  ACPI
-                                                       device pnp 2e.b on #  HW Monitor
-                                                               io 0x60 = 0x290
-                                                               irq 0x70 = 5
-                                                       end
-                                               end
-                                       end
-                                        device pci 1.1 on # SM 0
-                                               chip drivers/i2c/i2cmux2 # pca9554 smbus mux
-                                                       device i2c 70 on  #0 pca9554 1
-                                                               chip drivers/generic/generic #dimm 0-0-0
-                                                                        device i2c 50 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-0-1
-                                                                        device i2c 51 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-0
-                                                                        device i2c 52 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-1
-                                                                        device i2c 53 on end
-                                                                end
-                                                               chip drivers/generic/generic #dimm 0-0-0
-                                                                        device i2c 54 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-0-1
-                                                                        device i2c 55 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-0
-                                                                        device i2c 56 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-1
-                                                                        device i2c 57 on end
-                                                                end
-                                                       end
-                                                       device i2c 70 on  #0 pca9554 2
-                                                               chip drivers/generic/generic #dimm 0-0-0
-                                                                        device i2c 50 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-0-1
-                                                                        device i2c 51 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-0
-                                                                        device i2c 52 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-1
-                                                                        device i2c 53 on end
-                                                                end
-                                                               chip drivers/generic/generic #dimm 0-0-0
-                                                                        device i2c 54 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-0-1
-                                                                        device i2c 55 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-0
-                                                                        device i2c 56 on end
-                                                                end
-                                                                chip drivers/generic/generic #dimm 0-1-1
-                                                                        device i2c 57 on end
-                                                                end
-                                                       end
-                                               end
-                                       end
-                                       device pci 1.1 on # SM 1
-                                               chip drivers/i2c/i2cmux2 # pca9554 smbus mux
-                                                       device i2c 72 on     #pca9554 channle1
-                                                               chip drivers/i2c/adm1027   #HWM ADT7476 1
-                                                                       device i2c 2e on end
-                                                               end
-                                                       end
-                                                       device i2c 72 on     #pca9545 channel 2
-                                                               chip drivers/i2c/adm1027   #HWM ADT7463
-                                                                       device i2c 2e on end
-                                                               end
-                                                       end
-                                                       device i2c 72 on end  #pca9545 channel 3
-                                                       device i2c 72 on      #pca9545 channel 4
-                                                               chip drivers/i2c/adm1027   #HWM ADT7476 2
-                                                                       device i2c 2e on end
-                                                               end
-                                                       end
-                                               end
-                                       end
-
-                                       device pci 2.0 on end # USB 1.1
-                                       device pci 2.1 on end # USB 2
-                                       device pci 4.0 on  end # IDE
-                                               device pci 5.0 on  end # SATA 0
-                                       device pci 5.1 on  end # SATA 1
-                                       device pci 5.2 on  end # SATA 2
-                                       device pci 6.0 on  #P2P
-                                               device pci 4.0 on end
-                                       end # P2P
-                                       device pci 7.0 on end # reserve
-                                       device pci 8.0 on end # MAC0
-                                       device pci 9.0 on end # MAC1
-                                       device pci a.0 on
-                                               device pci 0.0 on
-                                                       device pci 4.0 on end  #pci_E lan1
-                                                       device pci 4.1 on end  #pci_E lan2
-                                               end
-                                       end # 0x376
-                                               device pci b.0 on  end # PCI E 0x374
-                                       device pci c.0 on  end
-                                       device pci d.0 on   #SAS
-                                               device pci 0.0 on end
-                                       end # PCI E 1 0x378
-                                       device pci e.0 on end # PCI E 0 0x375
-                                       device pci f.0 on end   #PCI E 0x377  pci_E slot
-                                       register "ide0_enable" = "1"
-                                       register "ide1_enable" = "1"
-                                       register "sata0_enable" = "1"
-                                       register "sata1_enable" = "1"
-                               end
-                       end #  device pci 18.0
-                       device pci 18.0 on end # Link 1
-                       device pci 18.0 on end
-                       device pci 18.1 on end
-                       device pci 18.2 on end
-                       device pci 18.3 on end
-               end #mc0
-
-       end # pci_domain
-
-#        chip drivers/generic/debug
-#                device pnp 0.0 off end
-#                device pnp 0.1 off end
-#                device pnp 0.2 off end
-#                device pnp 0.3 off end
-#                device pnp 0.4 off end
-#              device pnp 0.5 on end
-#        end
-end # root_complex
+      end
+      device pci 18.0 on end			# Link 1
+      device pci 18.0 on end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end
+  #   device pnp 0.1 off end
+  #   device pnp 0.2 off end
+  #   device pnp 0.3 off end
+  #   device pnp 0.4 off end
+  #   device pnp 0.5 on end
+  # end
+end
diff --git a/src/mainboard/msi/ms9652_fam10/devicetree.cb b/src/mainboard/msi/ms9652_fam10/devicetree.cb
index b619acb332..29756f1dcd 100644
--- a/src/mainboard/msi/ms9652_fam10/devicetree.cb
+++ b/src/mainboard/msi/ms9652_fam10/devicetree.cb
@@ -21,152 +21,153 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 ##
 
-chip northbridge/amd/amdfam10/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_F_1207
-			device lapic 0 on end
-		end
-	end
-	device pci_domain 0 on
-		chip northbridge/amd/amdfam10 #mc0
-			device pci 18.0 on	# SB on HT link 0.0
-				chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-					device pci 1.0 on # LPC
-						chip superio/winbond/w83627ehg
-							device pnp 2e.0 on #  Floppy
-								io 0x60 = 0x3f0
-								irq 0x70 = 6
-								drq 0x74 = 2
-							end
-							device pnp 2e.1 off #  Parallel Port
-								io 0x60 = 0x378
-								irq 0x70 = 7
-							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 on #  Keyboard
-								io 0x60 = 0x60
-								io 0x62 = 0x64
-								irq 0x70 = 1
-								irq 0x72 = 12
-							end
-							device pnp 2e.6 off #  SERIAL_FLASH
-								io 0x60 = 0x100
-							end
-							device pnp 2e.7 off #  GAME_MIDI_GIPO1
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-							device pnp 2e.8 off end #  WDTO_PLED
-							device pnp 2e.9 off end #  GPIO2_GPIO3_GPIO4_GPIO5
-							device pnp 2e.a off end #  ACPI
-							device pnp 2e.b on #  HW Monitor
-								io 0x60 = 0x290
-								irq 0x70 = 5
-							end
-							device pnp 2e.106 off		# Serial flash
-								io 0x60 = 0x100
-							end
-							device pnp 2e.207 on		# MIDI
-								io 0x62 = 0x330
-								irq 0x70 = 0xa
-							end
-						end
-					end
-					device pci 1.1 on # SM 0
-						chip drivers/generic/generic #dimm 0-0-0
-							device i2c 50 on end
-						end
-						chip drivers/generic/generic #dimm 0-0-1
-							device i2c 51 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-0
-							device i2c 54 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-1
-							device i2c 55 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-0
-							device i2c 56 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-1
-							device i2c 57 on end
-						end
-					end # SM
-					device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#						chip drivers/generic/generic #PCIXA Slot1
-#							device i2c 50 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot1
-#							device i2c 51 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot2
-#							device i2c 52 on end
-#						end
-#						chip drivers/generic/generic #PCI Slot1
-#							device i2c 53 on end
-#						end
-#						chip drivers/generic/generic #Master MCP55 PCI-E
-#							device i2c 54 on end
-#						end
-#						chip drivers/generic/generic #Slave MCP55 PCI-E
-#							device i2c 55 on end
-#						end
-#						chip drivers/generic/generic #MAC EEPROM
-#							device i2c 51 on end
-#						end
-					end # SM
-					device pci 2.0 on end # USB 1.1
-					device pci 2.1 on end # USB 2
-					device pci 4.0 on end # IDE
-					device pci 5.0 on end # SATA 0
-					device pci 5.1 on end # SATA 1
-					device pci 5.2 on end # SATA 2
-					device pci 6.1 on end # AZA
-					device pci 8.0 on end # NIC
-					device pci 9.0 on end # NIC
-					register "ide0_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.0 on end	# HT 1.0
-			device pci 18.0 on end	# HT 2.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-			device pci 18.4 on end
-		end # mc0
-
-	end # PCI domain
-
-#	chip drivers/generic/debug
-#		device pnp 0.0 off end # chip name
-#		device pnp 0.1 on end # pci_regs_all
-#		device pnp 0.2 on end # mem
-#		device pnp 0.3 off end # cpuid
-#		device pnp 0.4 on end # smbus_regs_all
-#		device pnp 0.5 off end # dual core msr
-#		device pnp 0.6 off end # cache size
-#		device pnp 0.7 off end # tsc
-#		device pnp 0.8 off  end # io
-#		device pnp 0.9 off end # io
-#	end
-end #root_complex
+chip northbridge/amd/amdfam10/root_complex	# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F_1207			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdfam10		# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627ehg	# Super I/O
+              device pnp 2e.0 on		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              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 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# Serial flash
+                io 0x60 = 0x100
+              end
+              device pnp 2e.7 off		# Game port, MIDI, GPIO1
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO2, GPIO3, GPIO4, GPIO5
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+              device pnp 2e.106 off		# Serial flash
+                io 0x60 = 0x100
+              end
+              device pnp 2e.207 on		# MIDI
+                io 0x62 = 0x330
+                irq 0x70 = 0xa
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master MCP55 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave MCP55 PCI-E
+            #   device i2c 55 on end
+            # end
+            # chip drivers/generic/generic	# MAC EEPROM
+            #   device i2c 51 on end
+            # end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.1 on end			# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 18.0 on end			# HT 1.0
+      device pci 18.0 on end			# HT 2.0
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+      device pci 18.4 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 on end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 off end			# io
+  # end
+end
diff --git a/src/mainboard/nvidia/l1_2pvv/devicetree.cb b/src/mainboard/nvidia/l1_2pvv/devicetree.cb
index 6168d8f0f4..6d7c8468d4 100644
--- a/src/mainboard/nvidia/l1_2pvv/devicetree.cb
+++ b/src/mainboard/nvidia/l1_2pvv/devicetree.cb
@@ -1,178 +1,177 @@
-chip northbridge/amd/amdk8/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_F
-			device lapic 0 on end
-		end
-	end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on
-				#  devices on link 0, link 0 == LDT 0
-				chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-					device pci 1.0 on # LPC
-						chip superio/winbond/w83627ehg
-							device pnp 2e.0 off #  Floppy
-					 			io 0x60 = 0x3f0
-								irq 0x70 = 6
-								drq 0x74 = 2
-							end
-							device pnp 2e.1 off #  Parallel Port
-					 			io 0x60 = 0x378
-								irq 0x70 = 7
-							end
-							device pnp 2e.2 on #  Com1
-					 			io 0x60 = 0x3f8
-								irq 0x70 = 4
-							end
-							device pnp 2e.3 off #  Com2
-					 			io 0x60 = 0x2f8
-								irq 0x70 = 3
-							end
-							device pnp 2e.5 on #  Keyboard
-					 			io 0x60 = 0x60
-					 			io 0x62 = 0x64
-								irq 0x70 = 1
-								irq 0x72 = 12
-							end
-							device pnp 2e.6 off  # SFI
-					 			io 0x62 = 0x100
-							end
-							device pnp 2e.7 off #  GPIO_GAME_MIDI
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-							device pnp 2e.8 off end #  WDTO_PLED
-							device pnp 2e.9 off end #  GPIO_SUSLED
-							device pnp 2e.a off end #  ACPI
-							device pnp 2e.b on #  HW Monitor
- 					 			io 0x60 = 0x290
-								irq 0x70 = 5
-							end
-						end
-					end
-					device pci 1.1 on # SM 0
-						chip drivers/generic/generic #dimm 0-0-0
-							device i2c 50 on end
-						end
-						chip drivers/generic/generic #dimm 0-0-1
-							device i2c 51 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-0
-							device i2c 54 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-1
-							device i2c 55 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-0
-							device i2c 56 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-1
-							device i2c 57 on end
-						end
-					end # SM
-					device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#						chip drivers/generic/generic #PCIXA Slot1
-#							device i2c 50 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot1
-#							device i2c 51 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot2
-#							device i2c 52 on end
-#						end
-#						chip drivers/generic/generic #PCI Slot1
-#							device i2c 53 on end
-#						end
-#						chip drivers/generic/generic #Master MCP55 PCI-E
-#							device i2c 54 on end
-#						end
-#						chip drivers/generic/generic #Slave MCP55 PCI-E
-#							device i2c 55 on end
-#						end
-						chip drivers/generic/generic #MAC EEPROM
-							device i2c 51 on end
-						end
-
-					end # SM
-					device pci 2.0 on end # USB 1.1
-					device pci 2.1 on end # USB 2
-					device pci 4.0 on end # IDE
-					device pci 5.0 on end # SATA 0
-					device pci 5.1 on end # SATA 1
-					device pci 5.2 on end # SATA 2
-					device pci 6.0 on end # PCI
-					device pci 6.1 on end # AZA
-					device pci 8.0 on end # NIC
-					device pci 9.0 on end # NIC
-		       			device pci a.0 on end # PCI E 5
-		       			device pci b.0 off end # PCI E 4
-					device pci c.0 off end # PCI E 3
-					device pci d.0 on end # PCI E 2
-					device pci e.0 off end # PCI E 1
-		       			device pci f.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.0 on end # Link 1
-			device pci 18.0 on
-				#  devices on link 2, link 2 == LDT 2
-				chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-					device pci 1.0 on end  # LPC
-					device pci 1.1 on end # SM 0
-					device pci 2.0 off end # USB 1.1
-					device pci 2.1 off end # USB 2
-					device pci 4.0 off end # IDE
-					device pci 5.0 on end # SATA 0
-					device pci 5.1 on end # SATA 1
-					device pci 5.2 on end # SATA 2
-					device pci 6.0 off end # PCI
-					device pci 6.1 off end # AZA
-					device pci 8.0 on end # NIC
-					device pci 9.0 on end # NIC
-		       			device pci a.0 on end # PCI E 5
-		       			device pci b.0 off end # PCI E 4
-					device pci c.0 off end # PCI E 3
-					device pci d.0 on end # PCI E 2
-					device pci e.0 on end # PCI E 1
-		       			device pci f.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end # device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end # mc0
-
-	end # PCI domain
-
-#       chip drivers/generic/debug
-#		device pnp 0.0 off end # chip name
-#		device pnp 0.1 on end # pci_regs_all
-#		device pnp 0.2 on end # mem
-#		device pnp 0.3 off end # cpuid
-#		device pnp 0.4 on end # smbus_regs_all
-#		device pnp 0.5 off end # dual core msr
-#		device pnp 0.6 off end # cache size
-#		device pnp 0.7 off end # tsc
-#		device pnp 0.8 off  end # io
-#		device pnp 0.9 off end # io
-#       end
-end #root_complex
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627ehg	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              end
+              device pnp 2e.2 on		# Com1
+                io 0x60 = 0x3f8
+                irq 0x70 = 4
+              end
+              device pnp 2e.3 off		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.5 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# SFI
+                io 0x62 = 0x100
+              end
+              device pnp 2e.7 off		# GPIO, Game port, MIDI
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO SUSLED
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master MCP55 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave MCP55 PCI-E
+            #   device i2c 55 on end
+            # end
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 on end			# PCI
+          device pci 6.1 on end			# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          device pci a.0 on end			# PCI E 5
+          device pci b.0 off end		# PCI E 4
+          device pci c.0 off end		# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 off end		# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 18.0 on end			# Link 1
+      device pci 18.0 on			# Link 2 == LDT 2
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on end			# LPC
+          device pci 1.1 on end			# SM 0
+          device pci 2.0 off end		# USB 1.1
+          device pci 2.1 off end		# USB 2
+          device pci 4.0 off end		# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 off end		# PCI
+          device pci 6.1 off end		# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          device pci a.0 on end			# PCI E 5
+          device pci b.0 off end		# PCI E 4
+          device pci c.0 off end		# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 on end			# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 on end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 off end			# io
+  # end
+end
diff --git a/src/mainboard/sunw/ultra40/devicetree.cb b/src/mainboard/sunw/ultra40/devicetree.cb
index ba7a9ab678..059724ee37 100644
--- a/src/mainboard/sunw/ultra40/devicetree.cb
+++ b/src/mainboard/sunw/ultra40/devicetree.cb
@@ -1,152 +1,150 @@
-chip northbridge/amd/amdk8/root_complex
-        device lapic_cluster 0 on
-                chip cpu/amd/socket_940
-                        device lapic 0 on end
-                end
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_940			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on end
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/ck804		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/smsc/lpc47m10x		# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.3 off		# 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 off		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.7 off		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master CK804 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave CK804 PCI-E
+            #   device i2c 55 on end
+            # end
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# ACI
+          device pci 4.1 off end		# MCI
+          device pci 6.0 on end			# IDE
+          device pci 7.0 on end			# SATA 1
+          device pci 8.0 on end			# SATA 0
+          device pci 9.0 on end			# PCI
+          device pci a.0 on end			# NIC
+          device pci b.0 off end		# PCI E 3
+          device pci c.0 off end		# PCI E 2
+          device pci d.0 off end		# PCI E 1
+          device pci e.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "ide1_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
         end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on end # link 0
-			device pci 18.0 on # link1
-				#  devices on link 0, link 0 == LDT 0
-			        chip southbridge/nvidia/ck804
-					device pci 0.0 on end   # HT
-                			device pci 1.0 on # LPC
-                	                        chip superio/smsc/lpc47m10x
-                        	                        device pnp 2e.0 off #  Floppy
-                                	                         io 0x60 = 0x3f0
-                                        	                irq 0x70 = 6
-                                                	        drq 0x74 = 2
-	                                                end
-        	                                        device pnp 2e.3 off #  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 off #  Com2
-                        	                                io 0x60 = 0x2f8
-                                	                        irq 0x70 = 3
-                                        	        end
-	                                                device pnp 2e.7 off #  Keyboard
-        	                                                io 0x60 = 0x60
-                	                                        io 0x62 = 0x64
-                        	                                irq 0x70 = 1
-                                	                        irq 0x72 = 12
-                                        	        end
-                        	                end
-					end
-			                device pci 1.1 on # SM 0
-                                                chip drivers/generic/generic #dimm 0-0-0
-                                                        device i2c 50 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-0-1
-                                                        device i2c 51 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-1-0
-                                                        device i2c 52 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-1-1
-                                                        device i2c 53 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-0-0
-                                                        device i2c 54 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-0-1
-                                                        device i2c 55 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-1-0
-                                                        device i2c 56 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-1-1
-                                                        device i2c 57 on end
-                                                end
-					end # SM
-                                        device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#                                                chip drivers/generic/generic #PCIXA Slot1
-#                                                        device i2c 50 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot1
-#                                                        device i2c 51 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot2
-#                                                        device i2c 52 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCI Slot1
-#                                                        device i2c 53 on end
-#                                                end
-#                                                chip drivers/generic/generic #Master CK804 PCI-E
-#                                                        device i2c 54 on end
-#                                                end
-#                                                chip drivers/generic/generic #Slave CK804 PCI-E
-#                                                        device i2c 55 on end
-#                                                end
-                                                chip drivers/generic/generic #MAC EEPROM
-                                                        device i2c 51 on end
-                                                end
-
-                                        end # SM
-	                		device pci 2.0 on end # USB 1.1
-        	        		device pci 2.1 on end # USB 2
-	                		device pci 4.0 on end # ACI
-        	        		device pci 4.1 off end # MCI
-                			device pci 6.0 on end # IDE
-	                		device pci 7.0 on end # SATA 1
-        	        		device pci 8.0 on end # SATA 0
-                			device pci 9.0 on end # PCI
-	                		device pci a.0 on end # NIC
-        	       			device pci b.0 off end # PCI E 3
-                			device pci c.0 off end # PCI E 2
-                			device pci d.0 off end # PCI E 1
-                			device pci e.0 on end # PCI E 0
-	                                register "ide0_enable" = "1"
-        	                        register "ide1_enable" = "1"
-                	                register "sata0_enable" = "1"
-                        	        register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.0 on end # link 2
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end # mc0
-
-		chip northbridge/amd/amdk8
-                	device pci 19.0 on end # link 0
-		device pci 19.0 on
-                        	#  devices on link 1, link 1 == LDT 1
-                        	chip southbridge/nvidia/ck804
-                                	device pci 0.0 on end   # HT
-                                	device pci 1.0 on end   # LPC
-                                	device pci 1.1 off end # SM
-                                	device pci 2.0 off end # USB 1.1
-                                	device pci 2.1 off end # USB 2
-                                	device pci 4.0 off end # ACI
-                                	device pci 4.1 off end # MCI
-                                	device pci 6.0 off end # IDE
-                                	device pci 7.0 off end # SATA 1
-                                	device pci 8.0 off end # SATA 0
-                                	device pci 9.0 off end # PCI
-                                	device pci a.0 on end # NIC
-                                	device pci b.0 off end # PCI E 3
-                                	device pci c.0 off end # PCI E 2
-                                	device pci d.0 off end # PCI E 1
-                                	device pci e.0 on end # PCI E 0
-                                        register "mac_eeprom_smbus" = "3"
-                                        register "mac_eeprom_addr" = "0x51"
-                        	end
-                	end #  device pci 19.0
-
-			device pci 19.0 on end
-			device pci 19.1 on end
-			device pci 19.2 on end
-			device pci 19.3 on end
-		end
-	end # PCI domain
-
-end #root_complex
+      end
+      device pci 18.0 on end			# Link 2
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 19.0 on end			# Link 0
+      device pci 19.0 on			# Link 1 == LDT 1
+        chip southbridge/nvidia/ck804		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on end			# LPC
+          device pci 1.1 off end		# SM
+          device pci 2.0 off end		# USB 1.1
+          device pci 2.1 off end		# USB 2
+          device pci 4.0 off end		# ACI
+          device pci 4.1 off end		# MCI
+          device pci 6.0 off end		# IDE
+          device pci 7.0 off end		# SATA 1
+          device pci 8.0 off end		# SATA 0
+          device pci 9.0 off end		# PCI
+          device pci a.0 on end			# NIC
+          device pci b.0 off end		# PCI E 3
+          device pci c.0 off end		# PCI E 2
+          device pci d.0 off end		# PCI E 1
+          device pci e.0 on end			# PCI E 0
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 19.0 on end
+      device pci 19.1 on end
+      device pci 19.2 on end
+      device pci 19.3 on end
+    end
+  end
+end
diff --git a/src/mainboard/supermicro/h8dme/devicetree.cb b/src/mainboard/supermicro/h8dme/devicetree.cb
index 3a5aa79a38..df40dc34e4 100644
--- a/src/mainboard/supermicro/h8dme/devicetree.cb
+++ b/src/mainboard/supermicro/h8dme/devicetree.cb
@@ -1,139 +1,137 @@
-chip northbridge/amd/amdk8/root_complex
-        device lapic_cluster 0 on
-                chip cpu/amd/socket_F
-                        device lapic 0 on end
-                end
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on end
+      device pci 18.0 on end
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              end
+              device pnp 2e.2 on		# Com1
+                io 0x60 = 0x3f8
+                irq 0x70 = 4
+              end
+              device pnp 2e.3 off		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.5 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# SFI
+                io 0x62 = 0x100
+              end
+              device pnp 2e.7 off		# GPIO, game port, MIDI
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO SUSLED
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/i2c/i2cmux2
+              device i2c 48 off end
+              device i2c 49 off end
+            end
+          end
+          device pci 1.1 on # SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master MCP55 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave MCP55 PCI-E
+            #   device i2c 55 on end
+            # end
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 on			# PCI
+            device pci 6.0 on end
+          end
+          device pci 6.1 on end			# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          device pci a.0 on			# PCI E 5
+            device pci 0.0 on end		# NEC PCI-X
+            device pci 0.1 on			# NEC PCI-X
+              device pci 4.0 on end		# SCSI
+              device pci 4.1 on end		# SCSI
+            end
+          end
+          device pci b.0 on end			# PCI E 4
+          device pci c.0 on end			# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 on end			# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
         end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on end
-			device pci 18.0 on end
-			device pci 18.0 on
-				#  devices on link 0, link 0 == LDT 0
-			        chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-                			device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 off #  Floppy
-                	                 			io 0x60 = 0x3f0
-                	                			irq 0x70 = 6
-                	                			drq 0x74 = 2
-							end
-                	        			device pnp 2e.1 off #  Parallel Port
-                	                 			io 0x60 = 0x378
-                	                			irq 0x70 = 7
-							end
-                	        			device pnp 2e.2 on #  Com1
-                	                 			io 0x60 = 0x3f8
-                	                			irq 0x70 = 4
-							end
-                	        			device pnp 2e.3 off #  Com2
-                	                 			io 0x60 = 0x2f8
-                	                			irq 0x70 = 3
-							end
-                	        			device pnp 2e.5 on #  Keyboard
-                	                 			io 0x60 = 0x60
-                	                 			io 0x62 = 0x64
-                	                			irq 0x70 = 1
-								irq 0x72 = 12
-							end
-                	        			device pnp 2e.6 off  # SFI
-                	                 			io 0x62 = 0x100
-							end
-                	        			device pnp 2e.7 off #  GPIO_GAME_MIDI
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-                	        			device pnp 2e.8 off end #  WDTO_PLED
-                	        			device pnp 2e.9 off end #  GPIO_SUSLED
-                	        			device pnp 2e.a off end #  ACPI
-                	        			device pnp 2e.b on #  HW Monitor
- 					 			io 0x60 = 0x290
-								irq 0x70 = 5
-                					end
-						end
-					end
-			                device pci 1.1 on # SM 0
-						chip drivers/i2c/i2cmux2
-							device i2c 48 off end
-							device i2c 49 off end
-						end
-					end # SM
-                                        device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#                                                chip drivers/generic/generic #PCIXA Slot1
-#                                                        device i2c 50 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot1
-#                                                        device i2c 51 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot2
-#                                                        device i2c 52 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCI Slot1
-#                                                        device i2c 53 on end
-#                                                end
-#                                                chip drivers/generic/generic #Master MCP55 PCI-E
-#                                                        device i2c 54 on end
-#                                                end
-#                                                chip drivers/generic/generic #Slave MCP55 PCI-E
-#                                                        device i2c 55 on end
-#                                                end
-                                                chip drivers/generic/generic #MAC EEPROM
-                                                        device i2c 51 on end
-                                                end
-
-                                        end # SM
-	                		device pci 2.0 on end # USB 1.1
-        	        		device pci 2.1 on end # USB 2
-                			device pci 4.0 on end # IDE
-	                		device pci 5.0 on end # SATA 0
-	                		device pci 5.1 on end # SATA 1
-	                		device pci 5.2 on end # SATA 2
-                			device pci 6.0 on  # PCI
-                                                device pci 6.0 on end
-					end
-        	        		device pci 6.1 on end # AZA
-	                		device pci 8.0 on end # NIC
-	                		device pci 9.0 on end # NIC
-        	       			device pci a.0 on  # PCI E 5
-						device pci 0.0 on #nec pci-x
-						end
-						device pci 0.1 on #nec pci-x
-							device pci 4.0 on end #scsi
-							device pci 4.1 on end #scsi
-						end
-					end
-        	       			device pci b.0 on end # PCI E 4
-                			device pci c.0 on end # PCI E 3
-                			device pci d.0 on end # PCI E 2
-                			device pci e.0 on end # PCI E 1
-        	       			device pci f.0 on end # PCI E 0
-	                                register "ide0_enable" = "1"
-                	                register "sata0_enable" = "1"
-                        	        register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end # mc0
-
-	end # PCI domain
-
-#       chip drivers/generic/debug
-#               device pnp 0.0 off end # chip name
-#                device pnp 0.1 on end # pci_regs_all
-#                device pnp 0.2 off end # mem
-#                device pnp 0.3 off end # cpuid
-#                device pnp 0.4 on end # smbus_regs_all
-#                device pnp 0.5 off end # dual core msr
-#                device pnp 0.6 off end # cache size
-#                device pnp 0.7 off end # tsc
-#                device pnp 0.8 off  end # io
-#                device pnp 0.9 on end # io
-#       end
-end #root_complex
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 off end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 on end			# io
+  # end
+end
diff --git a/src/mainboard/supermicro/h8dmr/devicetree.cb b/src/mainboard/supermicro/h8dmr/devicetree.cb
index a730514799..1dfd32ac5c 100644
--- a/src/mainboard/supermicro/h8dmr/devicetree.cb
+++ b/src/mainboard/supermicro/h8dmr/devicetree.cb
@@ -1,159 +1,157 @@
-chip northbridge/amd/amdk8/root_complex
-        device lapic_cluster 0 on
-                chip cpu/amd/socket_F
-                        device lapic 0 on end
-                end
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on end
+      device pci 18.0 on end
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              end
+              device pnp 2e.2 on		# Com1
+                io 0x60 = 0x3f8
+                irq 0x70 = 4
+              end
+              device pnp 2e.3 off		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.5 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# SFI
+                io 0x62 = 0x100
+              end
+              device pnp 2e.7 off		# GPIO, game port, MIDI
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO SUSLED
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master MCP55 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave MCP55 PCI-E
+            #   device i2c 55 on end
+            # end
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 on			# PCI
+            device pci 6.0 on end
+          end
+          device pci 6.1 on end			# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          device pci a.0 on			# PCI E 5
+            device pci 0.0 on end		# NEC PCI-X
+            device pci 0.1 on			# NEC PCI-X
+              device pci 4.0 on end		# SCSI
+              device pci 4.1 on end		# SCSI
+            end
+          end
+          device pci b.0 on end			# PCI E 4
+          device pci c.0 on end			# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 on end			# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
         end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on end
-			device pci 18.0 on end
-			device pci 18.0 on
-				#  devices on link 0, link 0 == LDT 0
-			        chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-                			device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 off #  Floppy
-                	                 			io 0x60 = 0x3f0
-                	                			irq 0x70 = 6
-                	                			drq 0x74 = 2
-							end
-                	        			device pnp 2e.1 off #  Parallel Port
-                	                 			io 0x60 = 0x378
-                	                			irq 0x70 = 7
-							end
-                	        			device pnp 2e.2 on #  Com1
-                	                 			io 0x60 = 0x3f8
-                	                			irq 0x70 = 4
-							end
-                	        			device pnp 2e.3 off #  Com2
-                	                 			io 0x60 = 0x2f8
-                	                			irq 0x70 = 3
-							end
-                	        			device pnp 2e.5 on #  Keyboard
-                	                 			io 0x60 = 0x60
-                	                 			io 0x62 = 0x64
-                	                			irq 0x70 = 1
-								irq 0x72 = 12
-							end
-                	        			device pnp 2e.6 off  # SFI
-                	                 			io 0x62 = 0x100
-							end
-                	        			device pnp 2e.7 off #  GPIO_GAME_MIDI
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-                	        			device pnp 2e.8 off end #  WDTO_PLED
-                	        			device pnp 2e.9 off end #  GPIO_SUSLED
-                	        			device pnp 2e.a off end #  ACPI
-                	        			device pnp 2e.b on #  HW Monitor
- 					 			io 0x60 = 0x290
-								irq 0x70 = 5
-                					end
-						end
-					end
-			                device pci 1.1 on # SM 0
-                                                chip drivers/generic/generic #dimm 0-0-0
-                                                        device i2c 50 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-0-1
-                                                        device i2c 51 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-1-0
-                                                        device i2c 52 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-1-1
-                                                        device i2c 53 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-0-0
-                                                        device i2c 54 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-0-1
-                                                        device i2c 55 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-1-0
-                                                        device i2c 56 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-1-1
-                                                        device i2c 57 on end
-                                                end
-					end # SM
-                                        device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#                                                chip drivers/generic/generic #PCIXA Slot1
-#                                                        device i2c 50 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot1
-#                                                        device i2c 51 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot2
-#                                                        device i2c 52 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCI Slot1
-#                                                        device i2c 53 on end
-#                                                end
-#                                                chip drivers/generic/generic #Master MCP55 PCI-E
-#                                                        device i2c 54 on end
-#                                                end
-#                                                chip drivers/generic/generic #Slave MCP55 PCI-E
-#                                                        device i2c 55 on end
-#                                                end
-                                                chip drivers/generic/generic #MAC EEPROM
-                                                        device i2c 51 on end
-                                                end
-
-                                        end # SM
-	                		device pci 2.0 on end # USB 1.1
-        	        		device pci 2.1 on end # USB 2
-                			device pci 4.0 on end # IDE
-	                		device pci 5.0 on end # SATA 0
-	                		device pci 5.1 on end # SATA 1
-	                		device pci 5.2 on end # SATA 2
-                			device pci 6.0 on  # PCI
-                                                device pci 6.0 on end
-					end
-        	        		device pci 6.1 on end # AZA
-	                		device pci 8.0 on end # NIC
-	                		device pci 9.0 on end # NIC
-        	       			device pci a.0 on  # PCI E 5
-						device pci 0.0 on #nec pci-x
-						end
-						device pci 0.1 on #nec pci-x
-							device pci 4.0 on end #scsi
-							device pci 4.1 on end #scsi
-						end
-					end
-        	       			device pci b.0 on end # PCI E 4
-                			device pci c.0 on end # PCI E 3
-                			device pci d.0 on end # PCI E 2
-                			device pci e.0 on end # PCI E 1
-        	       			device pci f.0 on end # PCI E 0
-	                                register "ide0_enable" = "1"
-                	                register "sata0_enable" = "1"
-                        	        register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end # mc0
-
-	end # PCI domain
-
-#       chip drivers/generic/debug
-#               device pnp 0.0 off end # chip name
-#                device pnp 0.1 on end # pci_regs_all
-#                device pnp 0.2 off end # mem
-#                device pnp 0.3 off end # cpuid
-#                device pnp 0.4 on end # smbus_regs_all
-#                device pnp 0.5 off end # dual core msr
-#                device pnp 0.6 off end # cache size
-#                device pnp 0.7 off end # tsc
-#                device pnp 0.8 off  end # io
-#                device pnp 0.9 on end # io
-#       end
-end #root_complex
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 off end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 on end			# io
+  # end
+end
diff --git a/src/mainboard/supermicro/h8dmr_fam10/devicetree.cb b/src/mainboard/supermicro/h8dmr_fam10/devicetree.cb
index adbe04d68c..da82b17376 100644
--- a/src/mainboard/supermicro/h8dmr_fam10/devicetree.cb
+++ b/src/mainboard/supermicro/h8dmr_fam10/devicetree.cb
@@ -1,165 +1,163 @@
-chip northbridge/amd/amdfam10/root_complex
-        device lapic_cluster 0 on
-                chip cpu/amd/socket_F_1207
-                        device lapic 0 on end
-                end
+chip northbridge/amd/amdfam10/root_complex	# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F_1207			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdfam10		# Northbridge / RAM controller
+      device pci 18.0 on end
+      device pci 18.0 on end
+      device pci 18.0 on			# SB on link 2.0
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              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 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# SFI
+                io 0x62 = 0x100
+              end
+              device pnp 2e.7 off		# GPIO, game port, MIDI
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO SUSLED
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master MCP55 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave MCP55 PCI-E
+            #   device i2c 55 on end
+            # end
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 on			# PCI
+            device pci 6.0 on end
+          end
+          device pci 6.1 on end			# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          device pci a.0 on			# PCI E 5
+            device pci 0.0 on end		# NEC PCI-X
+            device pci 0.1 on			# NEC PCI-X
+              device pci 4.0 on end		# SCSI
+              device pci 4.1 on end		# SCSI
+            end
+          end
+          device pci b.0 on end			# PCI E 4
+          device pci c.0 on end			# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 on end			# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
         end
-	device pci_domain 0 on
-		chip northbridge/amd/amdfam10 #mc0
-			device pci 18.0 on end
-			device pci 18.0 on end
-			device pci 18.0 on
-        # SB on link 2.0
-			        chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-                			device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 off #  Floppy
-                	                 			io 0x60 = 0x3f0
-                	                			irq 0x70 = 6
-                	                			drq 0x74 = 2
-							end
-                	        			device pnp 2e.1 off #  Parallel Port
-                	                 			io 0x60 = 0x378
-                	                			irq 0x70 = 7
-							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 on #  Keyboard
-                	                 			io 0x60 = 0x60
-                	                 			io 0x62 = 0x64
-                	                			irq 0x70 = 1
-								irq 0x72 = 12
-							end
-                	        			device pnp 2e.6 off  # SFI
-                	                 			io 0x62 = 0x100
-							end
-                	        			device pnp 2e.7 off #  GPIO_GAME_MIDI
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-                	        			device pnp 2e.8 off end #  WDTO_PLED
-                	        			device pnp 2e.9 off end #  GPIO_SUSLED
-                	        			device pnp 2e.a off end #  ACPI
-                	        			device pnp 2e.b on #  HW Monitor
- 					 			io 0x60 = 0x290
-								irq 0x70 = 5
-                					end
-						end
-					end
-			                device pci 1.1 on # SM 0
-                                                chip drivers/generic/generic #dimm 0-0-0
-                                                        device i2c 50 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-0-1
-                                                        device i2c 51 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-1-0
-                                                        device i2c 52 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 0-1-1
-                                                        device i2c 53 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-0-0
-                                                        device i2c 54 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-0-1
-                                                        device i2c 55 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-1-0
-                                                        device i2c 56 on end
-                                                end
-                                                chip drivers/generic/generic #dimm 1-1-1
-                                                        device i2c 57 on end
-                                                end
-					end # SM
-                                        device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#                                                chip drivers/generic/generic #PCIXA Slot1
-#                                                        device i2c 50 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot1
-#                                                        device i2c 51 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCIXB Slot2
-#                                                        device i2c 52 on end
-#                                                end
-#                                                chip drivers/generic/generic #PCI Slot1
-#                                                        device i2c 53 on end
-#                                                end
-#                                                chip drivers/generic/generic #Master MCP55 PCI-E
-#                                                        device i2c 54 on end
-#                                                end
-#                                                chip drivers/generic/generic #Slave MCP55 PCI-E
-#                                                        device i2c 55 on end
-#                                                end
-                                                chip drivers/generic/generic #MAC EEPROM
-                                                        device i2c 51 on end
-                                                end
-
-                                        end # SM
-	                		device pci 2.0 on end # USB 1.1
-        	        		device pci 2.1 on end # USB 2
-                			device pci 4.0 on end # IDE
-	                		device pci 5.0 on end # SATA 0
-	                		device pci 5.1 on end # SATA 1
-	                		device pci 5.2 on end # SATA 2
-                			device pci 6.0 on  # PCI
-                                                device pci 6.0 on end
-					end
-        	        		device pci 6.1 on end # AZA
-	                		device pci 8.0 on end # NIC
-	                		device pci 9.0 on end # NIC
-        	       			device pci a.0 on  # PCI E 5
-						device pci 0.0 on #nec pci-x
-						end
-						device pci 0.1 on #nec pci-x
-							device pci 4.0 on end #scsi
-							device pci 4.1 on end #scsi
-						end
-					end
-        	       			device pci b.0 on end # PCI E 4
-                			device pci c.0 on end # PCI E 3
-                			device pci d.0 on end # PCI E 2
-                			device pci e.0 on end # PCI E 1
-        	       			device pci f.0 on end # PCI E 0
-	                                register "ide0_enable" = "1"
-                	                register "sata0_enable" = "1"
-                        	        register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-			device pci 18.4 on end
-			device pci 19.0 on end
-			device pci 19.1 on end
-			device pci 19.2 on end
-			device pci 19.3 on end
-			device pci 19.4 on end
-		end # mc0
-
-	end # PCI domain
-
-#       chip drivers/generic/debug
-#               device pnp 0.0 off end # chip name
-#                device pnp 0.1 on end # pci_regs_all
-#                device pnp 0.2 off end # mem
-#                device pnp 0.3 off end # cpuid
-#                device pnp 0.4 on end # smbus_regs_all
-#                device pnp 0.5 off end # dual core msr
-#                device pnp 0.6 off end # cache size
-#                device pnp 0.7 off end # tsc
-#                device pnp 0.8 off  end # io
-#                device pnp 0.9 on end # io
-#       end
-end #root_complex
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+      device pci 18.4 on end
+      device pci 19.0 on end
+      device pci 19.1 on end
+      device pci 19.2 on end
+      device pci 19.3 on end
+      device pci 19.4 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 off end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 on end			# io
+  # end
+end
diff --git a/src/mainboard/supermicro/h8qme_fam10/devicetree.cb b/src/mainboard/supermicro/h8qme_fam10/devicetree.cb
index d6f31fa82c..990afa4c64 100644
--- a/src/mainboard/supermicro/h8qme_fam10/devicetree.cb
+++ b/src/mainboard/supermicro/h8qme_fam10/devicetree.cb
@@ -1,128 +1,126 @@
-chip northbridge/amd/amdfam10/root_complex
-        device lapic_cluster 0 on
-                chip cpu/amd/socket_F_1207
-                        device lapic 0 on end
-                end
+chip northbridge/amd/amdfam10/root_complex	# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F_1207			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdfam10		# Northbridge / RAM controller
+      device pci 18.0 on end
+      device pci 18.0 on end
+      device pci 18.0 on			# SB on link 2
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              end
+              device pnp 2e.2 on		# Com1
+                io 0x60 = 0x3f8
+                irq 0x70 = 4
+              end
+              device pnp 2e.3 off		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.5 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# SFI
+                io 0x62 = 0x100
+              end
+              device pnp 2e.7 off		# GPIO, game port, MIDI
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO SUSLED
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.1 off end		# AZA
+          device pci 7.0 on
+              device pci 1.0 on end
+          end
+          device pci 8.0 off end
+          device pci 9.0 off end
+          device pci a.0 on end			# PCI E 5
+          device pci b.0 on end			# PCI E 4
+          device pci c.0 on end			# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 on end			# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
         end
-	device pci_domain 0 on
-		chip northbridge/amd/amdfam10 #mc0
-			device pci 18.0 on end
-			device pci 18.0 on end
-			device pci 18.0 on
-        # SB on link 2.0
-			        chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-                			device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 off #  Floppy
-                	                 			io 0x60 = 0x3f0
-                	                			irq 0x70 = 6
-                	                			drq 0x74 = 2
-							end
-                	        			device pnp 2e.1 off #  Parallel Port
-                	                 			io 0x60 = 0x378
-                	                			irq 0x70 = 7
-							end
-                	        			device pnp 2e.2 on #  Com1
-                	                 			io 0x60 = 0x3f8
-                	                			irq 0x70 = 4
-							end
-							device pnp 2e.3 off #  Com2
-                	                 			io 0x60 = 0x2f8
-                	                			irq 0x70 = 3
-							end
-                	        			device pnp 2e.5 on #  Keyboard
-                	                 			io 0x60 = 0x60
-                	                 			io 0x62 = 0x64
-                	                			irq 0x70 = 1
-								irq 0x72 = 12
-							end
-                	        			device pnp 2e.6 off  # SFI
-                	                 			io 0x62 = 0x100
-							end
-                	        			device pnp 2e.7 off #  GPIO_GAME_MIDI
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-                	        			device pnp 2e.8 off end #  WDTO_PLED
-                	        			device pnp 2e.9 off end #  GPIO_SUSLED
-                	        			device pnp 2e.a off end #  ACPI
-                	        			device pnp 2e.b on #  HW Monitor
- 					 			io 0x60 = 0x290
-								irq 0x70 = 5
-                					end
-						end
-					end
-					device pci 1.1 on end
-                                        device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#
-                                                chip drivers/generic/generic #MAC EEPROM
-                                                        device i2c 51 on end
-                                                end
-
-                                        end # SM
-	                		device pci 2.0 on end # USB 1.1
-        	        		device pci 2.1 on end # USB 2
-                			device pci 4.0 on end # IDE
-	                		device pci 5.0 on end # SATA 0
-	                		device pci 5.1 on end # SATA 1
-	                		device pci 5.2 on end # SATA 2
-					device pci 6.1 off end # AZA
-					device pci 7.0 on
-					    device pci 1.0 on end
-					end
-					device pci 8.0 off end
-					device pci 9.0 off end
-        	       			device pci a.0 on end # PCI E 5
-        	       			device pci b.0 on end # PCI E 4
-                			device pci c.0 on end # PCI E 3
-                			device pci d.0 on end # PCI E 2
-                			device pci e.0 on end # PCI E 1
-        	       			device pci f.0 on end # PCI E 0
-	                                register "ide0_enable" = "1"
-                	                register "sata0_enable" = "1"
-                        	        register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-			device pci 18.4 on end
-			device pci 19.0 on end
-			device pci 19.0 on end
-			device pci 19.0 on
-				chip southbridge/amd/amd8132
-					device pci 0.0 on end
-					device pci 0.1 on end
-					device pci 1.0 on
-						device pci 3.0 on end
-						device pci 3.1 on end
-					end
-					device pci 1.1 on end
-				end #amd8132
-			end #device pci 19.0
-			device pci 19.1 on end
-			device pci 19.2 on end
-			device pci 19.3 on end
-			device pci 19.4 on end
-		end # mc0
-
-	end # PCI domain
-
-#       chip drivers/generic/debug
-#               device pnp 0.0 off end # chip name
-#                device pnp 0.1 on end # pci_regs_all
-#                device pnp 0.2 off end # mem
-#                device pnp 0.3 off end # cpuid
-#                device pnp 0.4 on end # smbus_regs_all
-#                device pnp 0.5 off end # dual core msr
-#                device pnp 0.6 off end # cache size
-#                device pnp 0.7 off end # tsc
-#                device pnp 0.8 off  end # io
-#                device pnp 0.9 on end # io
-#       end
-end #root_complex
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+      device pci 18.4 on end
+      device pci 19.0 on end
+      device pci 19.0 on end
+      device pci 19.0 on
+        chip southbridge/amd/amd8132
+          device pci 0.0 on end
+          device pci 0.1 on end
+          device pci 1.0 on
+            device pci 3.0 on end
+            device pci 3.1 on end
+          end
+          device pci 1.1 on end
+        end
+      end
+      device pci 19.1 on end
+      device pci 19.2 on end
+      device pci 19.3 on end
+      device pci 19.4 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 off end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 on end			# io
+  # end
+end
diff --git a/src/mainboard/tyan/s2891/devicetree.cb b/src/mainboard/tyan/s2891/devicetree.cb
index 71b4bae9d7..73034b10b9 100644
--- a/src/mainboard/tyan/s2891/devicetree.cb
+++ b/src/mainboard/tyan/s2891/devicetree.cb
@@ -1,152 +1,147 @@
-chip northbridge/amd/amdk8/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_940
-			device lapic 0 on end
-		end
-	end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on #  northbridge
-				#  devices on link 0, link 0 == LDT 0
-				chip southbridge/nvidia/ck804
-					device pci 0.0 on end   # HT
-					device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 off #  Floppy
-								io 0x60 = 0x3f0
-								irq 0x70 = 6
-								drq 0x74 = 2
-							end
-							device pnp 2e.1 off #  Parallel Port
-								io 0x60 = 0x378
-								irq 0x70 = 7
-							end
-							device pnp 2e.2 on #  Com1
-								io 0x60 = 0x3f8
-								irq 0x70 = 4
-							end
-							device pnp 2e.3 off #  Com2
-								io 0x60 = 0x2f8
-								irq 0x70 = 3
-							end
-							device pnp 2e.5 on #  Keyboard
-								io 0x60 = 0x60
-								io 0x62 = 0x64
-								irq 0x70 = 1
-								irq 0x72 = 12
-							end
-							device pnp 2e.6 off #  CIR
-								io 0x60 = 0x100
-							end
-							device pnp 2e.7 off #  GAME_MIDI_GIPO1
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-							device pnp 2e.8 off end #  GPIO2
-							device pnp 2e.9 off end #  GPIO3
-							device pnp 2e.a off end #  ACPI
-							device pnp 2e.b off #  HW Monitor
-								io 0x60 = 0x290
-								irq 0x70 = 5
-							end
-						end
-					end
-					device pci 1.1 on # SM 0
-#						chip drivers/generic/generic #dimm 0-0-0
-#							device i2c 50 on end
-#						end
-#						chip drivers/generic/generic #dimm 0-0-1
-#							device i2c 51 on end
-#						end
-#						chip drivers/generic/generic #dimm 0-1-0
-#							device i2c 52 on end
-#						end
-#						chip drivers/generic/generic #dimm 0-1-1
-#							device i2c 53 on end
-#						end
-#						chip drivers/generic/generic #dimm 1-0-0
-#							device i2c 54 on end
-#						end
-#						chip drivers/generic/generic #dimm 1-0-1
-#							device i2c 55 on end
-#						end
-#						chip drivers/generic/generic #dimm 1-1-0
-#							device i2c 56 on end
-#						end
-#						chip drivers/generic/generic #dimm 1-1-1
-#							device i2c 57 on end
-#						end
-					end # SM
-#					device pci 1.1 on # SM 1
-#						chip drivers/i2c/adm1027 # ADT7463A CPU0 temp, SYS FAN 2/3/4
-#							device i2c 2d on end
-#						end
-#						chip drivers/i2c/adm1027 # ADT7463A CPU1 temp, CPU0/1 FAN , SYS FAN 1/5
-#							device i2c 2e on end
-#						end
-#						chip drivers/generic/generic # Winbond HWM 0x54 CPU0/1 VRM temp, SYSFAN 6/7, SB FAN
-#							device i2c 2a on end
-#						end
-#						chip drivers/generic/generic # Winbond HWM 0x92
-#							device i2c 49 on end
-#						end
-#						chip drivers/generic/generic # Winbond HWM 0x94
-#							device i2c 4a on end
-#						end
-#					end #SM
-					device pci 2.0 on end # USB 1.1
-					device pci 2.1 on end # USB 2
-					device pci 4.0 off end # ACI
-					device pci 4.1 off end # MCI
-					device pci 6.0 on end # IDE
-					device pci 7.0 on end # SATA 1
-					device pci 8.0 on end # SATA 0
-					device pci 9.0 on  # PCI
-					#	chip drivers/ati/ragexl
-						device pci 7.0 on end
-					end
-					device pci a.0 off end # NIC
-					device pci b.0 off end # PCI E 3
-					device pci c.0 off end # PCI E 2
-					device pci d.0 on end # PCI E 1
-					device pci e.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "ide1_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-				end
-			end #  device pci 18.0
-			device pci 18.0 on end # Link 1
-			device pci 18.0 on
-			#  devices on link 2, link 2 == LDT 2
-				chip southbridge/amd/amd8131
-					# the on/off keyword is mandatory
-					device pci 0.0 on end
-					device pci 0.1 on end
-					device pci 1.0 on
-						device pci 9.0 on end
-						device pci 9.1 on end
-					end
-					device pci 1.1 on end
-				end
-			end # device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end #mc0
-
-	end # pci_domain
-
-#	chip drivers/generic/debug
-#		device pnp 0.0 off end # chip name
-#		device pnp 0.1 off end # pci_regs_all
-#		device pnp 0.2 off end # mem
-#		device pnp 0.3 off end # cpuid
-#		device pnp 0.4 off end # smbus_regs_all
-#		device pnp 0.5 off end # dual core msr
-#		device pnp 0.6 off end # cache size
-#		device pnp 0.7 off end # tsc
-#		device pnp 0.8 on  end # hard_reset
-#	end
-end # root_complex
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_940			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/ck804		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              end
+              device pnp 2e.2 on		# Com1
+                io 0x60 = 0x3f8
+                irq 0x70 = 4
+              end
+              device pnp 2e.3 off		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.5 on		# PS/2 keyboard & mouse
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# Consumer IR
+                io 0x60 = 0x100
+              end
+              device pnp 2e.7 off		# Game port, MIDI, GPIO1
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# GPIO2
+              device pnp 2e.9 off end		# GPIO3
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b off		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            # chip drivers/generic/generic	# DIMM 0-0-0
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# DIMM 0-0-1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# DIMM 0-1-0
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# DIMM 0-1-1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# DIMM 1-0-0
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# DIMM 1-0-1
+            #   device i2c 55 on end
+            # end
+            # chip drivers/generic/generic	# DIMM 1-1-0
+            #   device i2c 56 on end
+            # end
+            # chip drivers/generic/generic	# DIMM 1-1-1
+            #   device i2c 57 on end
+            # end
+          end
+          # device pci 1.1 on			# SM 1
+          #   chip drivers/i2c/adm1027		# ADT7463A CPU0 temp, SYS FAN 2/3/4
+          #     device i2c 2d on end
+          #   end
+          #   chip drivers/i2c/adm1027		# ADT7463A CPU1 temp, CPU0/1 FAN , SYS FAN 1/5
+          #     device i2c 2e on end
+          #   end
+          #   chip drivers/generic/generic	# Winbond HWM 0x54 CPU0/1 VRM temp, SYSFAN 6/7, SB FAN
+          #     device i2c 2a on end
+          #   end
+          #   chip drivers/generic/generic	# Winbond HWM 0x92
+          #     device i2c 49 on end
+          #   end
+          #   chip drivers/generic/generic	# Winbond HWM 0x94
+          #     device i2c 4a on end
+          #   end
+          # end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 off end		# ACI
+          device pci 4.1 off end		# MCI
+          device pci 6.0 on end			# IDE
+          device pci 7.0 on end			# SATA 1
+          device pci 8.0 on end			# SATA 0
+          device pci 9.0 on			# PCI
+          #  chip drivers/ati/ragexl
+            device pci 7.0 on end
+          end
+          device pci a.0 off end		# NIC
+          device pci b.0 off end		# PCI E 3
+          device pci c.0 off end		# PCI E 2
+          device pci d.0 on end			# PCI E 1
+          device pci e.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "ide1_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+        end
+      end
+      device pci 18.0 on end			# Link 1
+      device pci 18.0 on			# Link 2 == LDT 2
+        chip southbridge/amd/amd8131		# Southbridge
+          device pci 0.0 on end
+          device pci 0.1 on end
+          device pci 1.0 on
+            device pci 9.0 on end
+            device pci 9.1 on end
+          end
+          device pci 1.1 on end
+        end
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 off end			# pci_regs_all
+  #   device pnp 0.2 off end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 off end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 on  end			# hard_reset
+  # end
+end
diff --git a/src/mainboard/tyan/s2892/devicetree.cb b/src/mainboard/tyan/s2892/devicetree.cb
index 7d4c8a7ce1..b84c04115a 100644
--- a/src/mainboard/tyan/s2892/devicetree.cb
+++ b/src/mainboard/tyan/s2892/devicetree.cb
@@ -1,152 +1,147 @@
-chip northbridge/amd/amdk8/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_940
-			device lapic 0 on end
-		end
-	end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on #  northbridge
-				#  devices on link 0, link 0 == LDT 0
-				chip southbridge/nvidia/ck804
-					device pci 0.0 on end   # HT
-					device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 on #  Floppy
-								io 0x60 = 0x3f0
-								irq 0x70 = 6
-								drq 0x74 = 2
-							end
-							device pnp 2e.1 on #  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 #  Com2
-								io 0x60 = 0x2f8
-								irq 0x70 = 3
-							end
-							device pnp 2e.5 on #  Keyboard
-								io 0x60 = 0x60
-								io 0x62 = 0x64
-								irq 0x70 = 1
-								irq 0x72 = 12
-							end
-							device pnp 2e.6 off #  CIR
-								io 0x60 = 0x100
-							end
-							device pnp 2e.7 off #  GAME_MIDI_GIPO1
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-							device pnp 2e.8 off end #  GPIO2
-							device pnp 2e.9 off end #  GPIO3
-							device pnp 2e.a off end #  ACPI
-							device pnp 2e.b on #  HW Monitor
-								io 0x60 = 0x290
-								irq 0x70 = 5
-							end
-						end
-					end
-					device pci 1.1 on # SM 0
-						chip drivers/generic/generic #dimm 0-0-0
-							device i2c 50 on end
-						end
-						chip drivers/generic/generic #dimm 0-0-1
-							device i2c 51 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-0
-							device i2c 54 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-1
-							device i2c 55 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-0
-							device i2c 56 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-1
-							device i2c 57 on end
-						end
-					end # SM
-					device pci 1.1 on # SM 1
-						chip drivers/i2c/adm1027 # ADT7463A CPU0 temp, SYS FAN 2/3/4
-							device i2c 2d on end
-						end
-						chip drivers/i2c/adm1027 # ADT7463A CPU1 temp, CPU0/1 FAN , SYS FAN 1/5
-							device i2c 2e on end
-						end
-						chip drivers/generic/generic # Winbond HWM 0x54 CPU0/1 VRM temp, SYSFAN 6/7, SB FAN
-							device i2c 2a on end
-						end
-						chip drivers/generic/generic # Winbond HWM 0x92
-							device i2c 49 on end
-						end
-						chip drivers/generic/generic # Winbond HWM 0x94
-							device i2c 4a on end
-						end
-					end #SM
-					device pci 2.0 on end # USB 1.1
-					device pci 2.1 on end # USB 2
-					device pci 4.0 off end # ACI
-					device pci 4.1 off end # MCI
-					device pci 6.0 on end # IDE
-					device pci 7.0 on end # SATA 1
-					device pci 8.0 on end # SATA 0
-					device pci 9.0 on  # PCI
-					#	chip drivers/ati/ragexl
-						device pci 6.0 on end
-					#	end
-						device pci 8.0 on end
-					end
-					device pci a.0 off end # NIC
-					device pci b.0 off end # PCI E 3
-					device pci c.0 off end # PCI E 2
-					device pci d.0 on end # PCI E 1
-					device pci e.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "ide1_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-				end
-			end #  device pci 18.0
-			device pci 18.0 on end # Link 1
-			device pci 18.0 on
-			#  devices on link 2, link 2 == LDT 2
-				chip southbridge/amd/amd8131
-					# the on/off keyword is mandatory
-					device pci 0.0 on end
-					device pci 0.1 on end
-					device pci 1.0 on
-						device pci 9.0 on end # broadcom 5704
-						device pci 9.1 on end
-					end
-					device pci 1.1 on end
-				end
-			end # device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end #mc0
-
-	end # pci_domain
-
-#	chip drivers/generic/debug
-#		device pnp 0.0 off end
-#		device pnp 0.1 off end
-#		device pnp 0.2 off end
-#		device pnp 0.3 off end
-#		device pnp 0.4 off end
-#		device pnp 0.5 on end
-#	end
-end # root_complex
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_940			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/ck804		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 on		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 on		# 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		# Com2
+                io 0x60 = 0x2f8
+                irq 0x70 = 3
+              end
+              device pnp 2e.5 on		# PS/2 keyboard & mouse
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# Consumer IR
+                io 0x60 = 0x100
+              end
+              device pnp 2e.7 off		# Game port, MIDI, GPIO1
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# GPIO2
+              device pnp 2e.9 off end		# GPIO3
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            chip drivers/i2c/adm1027		# ADT7463A CPU0 temp, SYS FAN 2/3/4
+              device i2c 2d on end
+            end
+            chip drivers/i2c/adm1027		# ADT7463A CPU1 temp, CPU0/1 FAN , SYS FAN 1/5
+              device i2c 2e on end
+            end
+            chip drivers/generic/generic	# Winbond HWM 0x54 CPU0/1 VRM temp, SYSFAN 6/7, SB FAN
+              device i2c 2a on end
+            end
+            chip drivers/generic/generic	# Winbond HWM 0x92
+              device i2c 49 on end
+            end
+            chip drivers/generic/generic	# Winbond HWM 0x94
+              device i2c 4a on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 off end		# ACI
+          device pci 4.1 off end		# MCI
+          device pci 6.0 on end			# IDE
+          device pci 7.0 on end			# SATA 1
+          device pci 8.0 on end			# SATA 0
+          device pci 9.0 on			# PCI
+          #  chip drivers/ati/ragexl
+            device pci 6.0 on end
+          #  end
+            device pci 8.0 on end
+          end
+          device pci a.0 off end		# NIC
+          device pci b.0 off end		# PCI E 3
+          device pci c.0 off end		# PCI E 2
+          device pci d.0 on end			# PCI E 1
+          device pci e.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "ide1_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+        end
+      end
+      device pci 18.0 on end			# Link 1
+      device pci 18.0 on			# Link 2 == LDT 2
+        chip southbridge/amd/amd8131		# Southbridge
+          device pci 0.0 on end
+          device pci 0.1 on end
+          device pci 1.0 on
+            device pci 9.0 on end		# Broadcom 5704
+            device pci 9.1 on end
+          end
+          device pci 1.1 on end
+        end
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end
+  #   device pnp 0.1 off end
+  #   device pnp 0.2 off end
+  #   device pnp 0.3 off end
+  #   device pnp 0.4 off end
+  #   device pnp 0.5 on end
+  # end
+end
diff --git a/src/mainboard/tyan/s2895/devicetree.cb b/src/mainboard/tyan/s2895/devicetree.cb
index a7fe79e808..7841a0e43c 100644
--- a/src/mainboard/tyan/s2895/devicetree.cb
+++ b/src/mainboard/tyan/s2895/devicetree.cb
@@ -1,168 +1,162 @@
-chip northbridge/amd/amdk8/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_940
-			device lapic 0 on end
-		end
-	end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on #  northbridge
-				#  devices on link 0, link 0 == LDT 0
-				chip southbridge/nvidia/ck804
-					device pci 0.0 on end   # HT
-					device pci 1.0 on # LPC
-						chip superio/smsc/lpc47b397
-							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
-								drq 0x74 = 4
-							end
-							device pnp 2e.4 on #  Com1
-								io 0x60 = 0x3f8
-								irq 0x70 = 4
-							end
-							device pnp 2e.5 off #  Com2
-								io 0x60 = 0x2f8
-								irq 0x70 = 3
-							end
-							device pnp 2e.7 on #  Keyboard
-								io 0x60 = 0x60
-								io 0x62 = 0x64
-								irq 0x70 = 1
-								irq 0x72 = 12
-							end
-							device pnp 2e.8 on # HW Monitor
-								io 0x60 = 0x480
-								chip drivers/generic/generic # LM95221 CPU temp
-									device i2c 2b on end
-								end
-								chip drivers/generic/generic # EMCT03
-									device i2c 54 on end
-								end
-							end
-							device	pnp 2e.a on #  RT
-								io 0x60 = 0x400
-							end
-						end
-					end
-					device pci 1.1 on # SM 0
-						chip drivers/generic/generic #dimm 0-0-0
-							device i2c 50 on end
-						end
-						chip drivers/generic/generic #dimm 0-0-1
-							device i2c 51 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-0
-							device i2c 54 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-1
-							device i2c 55 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-0
-							device i2c 56 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-1
-							device i2c 57 on end
-						end
-					end # SM
-					device pci 1.1 on # SM 1
-						chip drivers/generic/generic #MAC EEPROM
-							device i2c 51 on end
-						end
-
-					end # SM
-					device pci 2.0 on end # USB 1.1
-					device pci 2.1 on end # USB 2
-					device pci 4.0 on end # ACI
-					device pci 4.1 off end # MCI
-					device pci 6.0 on end # IDE
-					device pci 7.0 on end # SATA 1
-					device pci 8.0 on end # SATA 0
-					device pci 9.0 on end # PCI
-					device pci a.0 on end # NIC
-					device pci b.0 off end # PCI E 3
-					device pci c.0 off end # PCI E 2
-					device pci d.0 off end # PCI E 1
-					device pci e.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "ide1_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.0 on end # Link 1
-			device pci 18.0 on
-			#  devices on link 2, link 2 == LDT 2
-				chip southbridge/amd/amd8131
-					# the on/off keyword is mandatory
-					device pci 0.0 on end
-					device pci 0.1 on end
-					device pci 1.0 on
-						device pci 6.0 on end # lsi scsi
-						device pci 6.1 on end
-					end
-					device pci 1.1 on end
-				end
-			end # device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end #mc0
-
-		chip northbridge/amd/amdk8
-			device pci 19.0 on #  northbridge
-				#  devices on link 0, link 0 == LDT 0
-				chip southbridge/nvidia/ck804
-					device pci 0.0 on end   # HT
-					device pci 1.0 on end   # LPC
-					device pci 1.1 off end # SM
-					device pci 2.0 off end # USB 1.1
-					device pci 2.1 off end # USB 2
-					device pci 4.0 off end # ACI
-					device pci 4.1 off end # MCI
-					device pci 6.0 off end # IDE
-					device pci 7.0 off end # SATA 1
-					device pci 8.0 off end # SATA 0
-					device pci 9.0 off end # PCI
-					device pci a.0 on end # NIC
-					device pci b.0 off end # PCI E 3
-					device pci c.0 off end # PCI E 2
-					device pci d.0 off end # PCI E 1
-					device pci e.0 on end # PCI E 0
-					register "mac_eeprom_smbus" = "3"
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 19.0
-
-			device pci 19.0 on end
-			device pci 19.0 on end
-			device pci 19.1 on end
-			device pci 19.2 on end
-			device pci 19.3 on end
-		end
-	end # PCI domain
-
-#	chip drivers/generic/debug
-#		device pnp 0.0 off end # chip name
-#		device pnp 0.1 off end # pci_regs_all
-#		device pnp 0.2 off end # mem
-#		device pnp 0.3 off end # cpuid
-#		device pnp 0.4 on  end # smbus_regs_all
-#		device pnp 0.5 off end # dual core msr
-#		device pnp 0.6 off end # cache size
-#		device pnp 0.7 off end # tsc
-#	end
-end # root_complex
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_940			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/ck804		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/smsc/lpc47b397		# Super I/O
+              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
+                drq 0x74 = 4
+              end
+              device pnp 2e.4 on		# Com1
+                io 0x60 = 0x3f8
+                irq 0x70 = 4
+              end
+              device pnp 2e.5 off		# 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
+                irq 0x72 = 12
+              end
+              device pnp 2e.8 on		# Hardware monitor
+                io 0x60 = 0x480
+                chip drivers/generic/generic	# LM95221 CPU temp
+                  device i2c 2b on end
+                end
+                chip drivers/generic/generic	# EMCT03
+                  device i2c 54 on end
+                end
+              end
+              device pnp 2e.a on		# RT
+                io 0x60 = 0x400
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# ACI
+          device pci 4.1 off end		# MCI
+          device pci 6.0 on end			# IDE
+          device pci 7.0 on end			# SATA 1
+          device pci 8.0 on end			# SATA 0
+          device pci 9.0 on end			# PCI
+          device pci a.0 on end			# NIC
+          device pci b.0 off end		# PCI E 3
+          device pci c.0 off end		# PCI E 2
+          device pci d.0 off end		# PCI E 1
+          device pci e.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "ide1_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 18.0 on end			# Link 1
+      device pci 18.0 on			# Link 2 == LDT 2
+        chip southbridge/amd/amd8131		# Southbridge
+          device pci 0.0 on end
+          device pci 0.1 on end
+          device pci 1.0 on
+            device pci 6.0 on end		# LSI SCSI
+            device pci 6.1 on end
+          end
+          device pci 1.1 on end
+        end
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 19.0 on			# Link 0 == LDT 0
+        chip southbridge/nvidia/ck804		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on end			# LPC
+          device pci 1.1 off end		# SM
+          device pci 2.0 off end		# USB 1.1
+          device pci 2.1 off end		# USB 2
+          device pci 4.0 off end		# ACI
+          device pci 4.1 off end		# MCI
+          device pci 6.0 off end		# IDE
+          device pci 7.0 off end		# SATA 1
+          device pci 8.0 off end		# SATA 0
+          device pci 9.0 off end		# PCI
+          device pci a.0 on end			# NIC
+          device pci b.0 off end		# PCI E 3
+          device pci c.0 off end		# PCI E 2
+          device pci d.0 off end		# PCI E 1
+          device pci e.0 on end			# PCI E 0
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 19.0 on end
+      device pci 19.0 on end
+      device pci 19.1 on end
+      device pci 19.2 on end
+      device pci 19.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 off end			# pci_regs_all
+  #   device pnp 0.2 off end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on  end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  # end
+end
diff --git a/src/mainboard/tyan/s2912/devicetree.cb b/src/mainboard/tyan/s2912/devicetree.cb
index b154fcc299..11c6a733bb 100644
--- a/src/mainboard/tyan/s2912/devicetree.cb
+++ b/src/mainboard/tyan/s2912/devicetree.cb
@@ -1,150 +1,149 @@
-chip northbridge/amd/amdk8/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_F
-			device lapic 0 on end
-		end
-	end
-	device pci_domain 0 on
-		chip northbridge/amd/amdk8 #mc0
-			device pci 18.0 on end
-			device pci 18.0 on end
-			device pci 18.0 on
-				#  devices on link 0, link 0 == LDT 0
-				chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-					device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 off #  Floppy
-								io 0x60 = 0x3f0
-								irq 0x70 = 6
-								drq 0x74 = 2
-							end
-							device pnp 2e.1 off #  Parallel Port
-								io 0x60 = 0x378
-								irq 0x70 = 7
-							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 on #  Keyboard
-								io 0x60 = 0x60
-								io 0x62 = 0x64
-								irq 0x70 = 1
-								irq 0x72 = 12
-							end
-							device pnp 2e.6 off  # SFI
-								io 0x62 = 0x100
-							end
-							device pnp 2e.7 off #  GPIO_GAME_MIDI
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-							device pnp 2e.8 off end #  WDTO_PLED
-							device pnp 2e.9 off end #  GPIO_SUSLED
-							device pnp 2e.a off end #  ACPI
-							device pnp 2e.b on #  HW Monitor
-								io 0x60 = 0x290
-								irq 0x70 = 5
-							end
-						end
-					end
-					device pci 1.1 on # SM 0
-						chip drivers/generic/generic #dimm 0-0-0
-							device i2c 50 on end
-						end
-						chip drivers/generic/generic #dimm 0-0-1
-							device i2c 51 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-0
-							device i2c 54 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-1
-							device i2c 55 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-0
-							device i2c 56 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-1
-							device i2c 57 on end
-						end
-					end # SM
-					device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#						chip drivers/generic/generic #PCIXA Slot1
-#							device i2c 50 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot1
-#							device i2c 51 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot2
-#							device i2c 52 on end
-#						end
-#						chip drivers/generic/generic #PCI Slot1
-#							device i2c 53 on end
-#						end
-#						chip drivers/generic/generic #Master MCP55 PCI-E
-#							device i2c 54 on end
-#						end
-#						chip drivers/generic/generic #Slave MCP55 PCI-E
-#							device i2c 55 on end
-#						end
-						chip drivers/generic/generic #MAC EEPROM
-							device i2c 51 on end
-						end
-
-					end # SM
-					device pci 2.0 on end # USB 1.1
-					device pci 2.1 on end # USB 2
-					device pci 4.0 on end # IDE
-					device pci 5.0 on end # SATA 0
-					device pci 5.1 on end # SATA 1
-					device pci 5.2 on end # SATA 2
-					device pci 6.0 on end # PCI
-					device pci 6.1 off end # AZA
-					device pci 8.0 on end # NIC
-					device pci 9.0 on end # NIC
-					device pci a.0 on end # PCI E 5
-					device pci b.0 off end # PCI E 4
-					device pci c.0 off end # PCI E 3
-					device pci d.0 on end # PCI E 2
-					device pci e.0 off end # PCI E 1
-					device pci f.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-		end # mc0
-
-	end # PCI domain
-
-#	chip drivers/generic/debug
-#		device pnp 0.0 off end # chip name
-#		device pnp 0.1 on end # pci_regs_all
-#		device pnp 0.2 on end # mem
-#		device pnp 0.3 off end # cpuid
-#		device pnp 0.4 on end # smbus_regs_all
-#		device pnp 0.5 off end # dual core msr
-#		device pnp 0.6 off end # cache size
-#		device pnp 0.7 off end # tsc
-#		device pnp 0.8 off  end # io
-#		device pnp 0.9 off end # io
-#	end
-end #root_complex
+chip northbridge/amd/amdk8/root_complex		# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdk8			# Northbridge / RAM controller
+      device pci 18.0 on end
+      device pci 18.0 on end
+      device pci 18.0 on
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              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 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# SFI
+                io 0x62 = 0x100
+              end
+              device pnp 2e.7 off		# GPIO, game port, MIDI
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO SUSLED
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master MCP55 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave MCP55 PCI-E
+            #   device i2c 55 on end
+            # end
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 on end			# PCI
+          device pci 6.1 off end		# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          device pci a.0 on end			# PCI E 5
+          device pci b.0 off end		# PCI E 4
+          device pci c.0 off end		# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 off end		# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 on end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 off end			# io
+  # end
+end
diff --git a/src/mainboard/tyan/s2912_fam10/devicetree.cb b/src/mainboard/tyan/s2912_fam10/devicetree.cb
index 60a2aa123f..8373ffc344 100644
--- a/src/mainboard/tyan/s2912_fam10/devicetree.cb
+++ b/src/mainboard/tyan/s2912_fam10/devicetree.cb
@@ -1,153 +1,152 @@
-chip northbridge/amd/amdfam10/root_complex
-	device lapic_cluster 0 on
-		chip cpu/amd/socket_F_1207
-			device lapic 0 on end
-		end
-	end
-	device pci_domain 0 on
-		chip northbridge/amd/amdfam10 #mc0
-			device pci 18.0 on end
-			device pci 18.0 on end
-			device pci 18.0 on
-				#  SB on link 2.0.
-				chip southbridge/nvidia/mcp55
-					device pci 0.0 on end   # HT
-					device pci 1.0 on # LPC
-						chip superio/winbond/w83627hf
-							device pnp 2e.0 off #  Floppy
-								io 0x60 = 0x3f0
-								irq 0x70 = 6
-								drq 0x74 = 2
-							end
-							device pnp 2e.1 off #  Parallel Port
-								io 0x60 = 0x378
-								irq 0x70 = 7
-							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 on #  Keyboard
-								io 0x60 = 0x60
-								io 0x62 = 0x64
-								irq 0x70 = 1
-								irq 0x72 = 12
-							end
-							device pnp 2e.6 off  # SFI
-								io 0x62 = 0x100
-							end
-							device pnp 2e.7 off #  GPIO_GAME_MIDI
-								io 0x60 = 0x220
-								io 0x62 = 0x300
-								irq 0x70 = 9
-							end
-							device pnp 2e.8 off end #  WDTO_PLED
-							device pnp 2e.9 off end #  GPIO_SUSLED
-							device pnp 2e.a off end #  ACPI
-							device pnp 2e.b on #  HW Monitor
-								io 0x60 = 0x290
-								irq 0x70 = 5
-							end
-						end
-					end
-					device pci 1.1 on # SM 0
-						chip drivers/generic/generic #dimm 0-0-0
-							device i2c 50 on end
-						end
-						chip drivers/generic/generic #dimm 0-0-1
-							device i2c 51 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-0
-							device i2c 52 on end
-						end
-						chip drivers/generic/generic #dimm 0-1-1
-							device i2c 53 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-0
-							device i2c 54 on end
-						end
-						chip drivers/generic/generic #dimm 1-0-1
-							device i2c 55 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-0
-							device i2c 56 on end
-						end
-						chip drivers/generic/generic #dimm 1-1-1
-							device i2c 57 on end
-						end
-					end # SM
-					device pci 1.1 on # SM 1
-#PCI device smbus address will depend on addon pci device, do we need to scan_smbus_bus?
-#						chip drivers/generic/generic #PCIXA Slot1
-#							device i2c 50 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot1
-#							device i2c 51 on end
-#						end
-#						chip drivers/generic/generic #PCIXB Slot2
-#							device i2c 52 on end
-#						end
-#						chip drivers/generic/generic #PCI Slot1
-#							device i2c 53 on end
-#						end
-#						chip drivers/generic/generic #Master MCP55 PCI-E
-#							device i2c 54 on end
-#						end
-#						chip drivers/generic/generic #Slave MCP55 PCI-E
-#							device i2c 55 on end
-#						end
-						chip drivers/generic/generic #MAC EEPROM
-							device i2c 51 on end
-						end
-
-					end # SM
-					device pci 2.0 on end # USB 1.1
-					device pci 2.1 on end # USB 2
-					device pci 4.0 on end # IDE
-					device pci 5.0 on end # SATA 0
-					device pci 5.1 on end # SATA 1
-					device pci 5.2 on end # SATA 2
-					device pci 6.0 on
-						device pci 4.0 on end
-					end # PCI
-					device pci 6.1 off end # AZA
-					device pci 8.0 on end # NIC
-					device pci 9.0 on end # NIC
-					device pci a.0 on end # PCI E 5
-					device pci b.0 off end # PCI E 4
-					device pci c.0 off end # PCI E 3
-					device pci d.0 on end # PCI E 2
-					device pci e.0 off end # PCI E 1
-					device pci f.0 on end # PCI E 0
-					register "ide0_enable" = "1"
-					register "sata0_enable" = "1"
-					register "sata1_enable" = "1"
-					register "mac_eeprom_smbus" = "3" # 1: smbus under 2e.8, 2: SM0 3: SM1
-					register "mac_eeprom_addr" = "0x51"
-				end
-			end #  device pci 18.0
-			device pci 18.1 on end
-			device pci 18.2 on end
-			device pci 18.3 on end
-			device pci 18.4 on end
-		end # mc0
-
-	end # PCI domain
-
-#	chip drivers/generic/debug
-#		device pnp 0.0 off end # chip name
-#		device pnp 0.1 on end # pci_regs_all
-#		device pnp 0.2 on end # mem
-#		device pnp 0.3 off end # cpuid
-#		device pnp 0.4 on end # smbus_regs_all
-#		device pnp 0.5 off end # dual core msr
-#		device pnp 0.6 off end # cache size
-#		device pnp 0.7 off end # tsc
-#		device pnp 0.8 off  end # io
-#		device pnp 0.9 off end # io
-#	end
-end #root_complex
+chip northbridge/amd/amdfam10/root_complex	# Root complex
+  device lapic_cluster 0 on			# (L)APIC cluster
+    chip cpu/amd/socket_F_1207			# CPU socket
+      device lapic 0 on end			# Local APIC of the CPU
+    end
+  end
+  device pci_domain 0 on			# PCI domain
+    chip northbridge/amd/amdfam10		# Northbridge / RAM controller
+      device pci 18.0 on end
+      device pci 18.0 on end
+      device pci 18.0 on			# SB on link 2
+        chip southbridge/nvidia/mcp55		# Southbridge
+          device pci 0.0 on end			# HT
+          device pci 1.0 on			# LPC
+            chip superio/winbond/w83627hf	# Super I/O
+              device pnp 2e.0 off		# Floppy
+                io 0x60 = 0x3f0
+                irq 0x70 = 6
+                drq 0x74 = 2
+              end
+              device pnp 2e.1 off		# Parallel port
+                io 0x60 = 0x378
+                irq 0x70 = 7
+              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 on		# PS/2 keyboard
+                io 0x60 = 0x60
+                io 0x62 = 0x64
+                irq 0x70 = 1
+                irq 0x72 = 12
+              end
+              device pnp 2e.6 off		# SFI
+                io 0x62 = 0x100
+              end
+              device pnp 2e.7 off		# GPIO, game port, MIDI
+                io 0x60 = 0x220
+                io 0x62 = 0x300
+                irq 0x70 = 9
+              end
+              device pnp 2e.8 off end		# WDTO PLED
+              device pnp 2e.9 off end		# GPIO SUSLED
+              device pnp 2e.a off end		# ACPI
+              device pnp 2e.b on		# Hardware monitor
+                io 0x60 = 0x290
+                irq 0x70 = 5
+              end
+            end
+          end
+          device pci 1.1 on			# SM 0
+            chip drivers/generic/generic	# DIMM 0-0-0
+              device i2c 50 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-0-1
+              device i2c 51 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-0
+              device i2c 52 on end
+            end
+            chip drivers/generic/generic	# DIMM 0-1-1
+              device i2c 53 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-0
+              device i2c 54 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-0-1
+              device i2c 55 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-0
+              device i2c 56 on end
+            end
+            chip drivers/generic/generic	# DIMM 1-1-1
+              device i2c 57 on end
+            end
+          end
+          device pci 1.1 on			# SM 1
+            # PCI device SMBus address will
+            # depend on addon PCI device, do
+            # we need to scan_smbus_bus?
+            # chip drivers/generic/generic	# PCIXA slot 1
+            #   device i2c 50 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 1
+            #   device i2c 51 on end
+            # end
+            # chip drivers/generic/generic	# PCIXB slot 2
+            #   device i2c 52 on end
+            # end
+            # chip drivers/generic/generic	# PCI slot 1
+            #   device i2c 53 on end
+            # end
+            # chip drivers/generic/generic	# Master MCP55 PCI-E
+            #   device i2c 54 on end
+            # end
+            # chip drivers/generic/generic	# Slave MCP55 PCI-E
+            #   device i2c 55 on end
+            # end
+            chip drivers/generic/generic	# MAC EEPROM
+              device i2c 51 on end
+            end
+          end
+          device pci 2.0 on end			# USB 1.1
+          device pci 2.1 on end			# USB 2
+          device pci 4.0 on end			# IDE
+          device pci 5.0 on end			# SATA 0
+          device pci 5.1 on end			# SATA 1
+          device pci 5.2 on end			# SATA 2
+          device pci 6.0 on			# PCI
+            device pci 4.0 on end
+          end
+          device pci 6.1 off end		# AZA
+          device pci 8.0 on end			# NIC
+          device pci 9.0 on end			# NIC
+          device pci a.0 on end			# PCI E 5
+          device pci b.0 off end		# PCI E 4
+          device pci c.0 off end		# PCI E 3
+          device pci d.0 on end			# PCI E 2
+          device pci e.0 off end		# PCI E 1
+          device pci f.0 on end			# PCI E 0
+          register "ide0_enable" = "1"
+          register "sata0_enable" = "1"
+          register "sata1_enable" = "1"
+          # 1: SMBus under 2e.8, 2: SM0 3: SM1
+          register "mac_eeprom_smbus" = "3"
+          register "mac_eeprom_addr" = "0x51"
+        end
+      end
+      device pci 18.1 on end
+      device pci 18.2 on end
+      device pci 18.3 on end
+      device pci 18.4 on end
+    end
+  end
+  # chip drivers/generic/debug
+  #   device pnp 0.0 off end			# chip name
+  #   device pnp 0.1 on end			# pci_regs_all
+  #   device pnp 0.2 on end			# mem
+  #   device pnp 0.3 off end			# cpuid
+  #   device pnp 0.4 on end			# smbus_regs_all
+  #   device pnp 0.5 off end			# dual core msr
+  #   device pnp 0.6 off end			# cache size
+  #   device pnp 0.7 off end			# tsc
+  #   device pnp 0.8 off end			# io
+  #   device pnp 0.9 off end			# io
+  # end
+end