system76-coreboot/src/mainboard/tyan/s2885/Config.lb

##
## Compute the location and size of where this firmware image
## (coreboot plus bootloader) will live in the boot rom chip.
##
if USE_FALLBACK_IMAGE
	default ROM_SECTION_SIZE   = FALLBACK_SIZE
	default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
else
	default ROM_SECTION_SIZE   = ( ROM_SIZE - FALLBACK_SIZE )
	default ROM_SECTION_OFFSET = 0
end

##
## Compute the start location and size size of
## The coreboot bootloader.
##
default PAYLOAD_SIZE            = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)

##
## Compute where this copy of coreboot will start in the boot rom
##
default _ROMBASE      = ( CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE )

##
## Compute a range of ROM that can cached to speed up coreboot,
## execution speed.
##
## XIP_ROM_SIZE must be a power of 2.
## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
##
default XIP_ROM_SIZE=65536
default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )

arch i386 end 

##
## Build the objects we have code for in this directory.
##

driver mainboard.o

#dir /drivers/si/3114
object get_bus_conf.o
if HAVE_MP_TABLE object mptable.o end
if HAVE_PIRQ_TABLE object irq_tables.o end

if CONFIG_USE_INIT

makerule ./auto.o
        depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
        action "$(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) -I$(TOP)/src -I. -nostdinc -nostdlib -fno-builtin -Wall -Os -c $(MAINBOARD)/cache_as_ram_auto.c -o $@"
end

else    
                
makerule ./auto.inc
        depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
        action "$(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(TOP)/src -I. -nostdinc -nostdlib -fno-builtin -Wall -Os -c -S $(MAINBOARD)/cache_as_ram_auto.c -o $@"
        action "perl -e 's/\.rodata/.rom.data/g' -pi $@"
        action "perl -e 's/\.text/.section .rom.text/g' -pi $@"
end

end
##
## Build our 16 bit and 32 bit coreboot entry code
##
if USE_FALLBACK_IMAGE
        mainboardinit cpu/x86/16bit/entry16.inc
        ldscript /cpu/x86/16bit/entry16.lds
end

mainboardinit cpu/x86/32bit/entry32.inc

        if CONFIG_USE_INIT
                ldscript /cpu/x86/32bit/entry32.lds
        end

        if CONFIG_USE_INIT
                ldscript      /cpu/amd/car/cache_as_ram.lds
        end

##
## Build our reset vector (This is where coreboot is entered)
##
if USE_FALLBACK_IMAGE 
	mainboardinit cpu/x86/16bit/reset16.inc 
	ldscript /cpu/x86/16bit/reset16.lds 
else
	mainboardinit cpu/x86/32bit/reset32.inc 
	ldscript /cpu/x86/32bit/reset32.lds 
end

##
## Include an id string (For safe flashing)
##
mainboardinit arch/i386/lib/id.inc
ldscript /arch/i386/lib/id.lds

##
## Setup Cache-As-Ram
##
mainboardinit cpu/amd/car/cache_as_ram.inc

###
### This is the early phase of coreboot startup 
### Things are delicate and we test to see if we should
### failover to another image.
###
if USE_FALLBACK_IMAGE
       ldscript /arch/i386/lib/failover.lds
end

###
### O.k. We aren't just an intermediary anymore!
###

##
## Setup RAM
##
if CONFIG_USE_INIT
initobject auto.o
else
mainboardinit ./auto.inc
end

##
## Include the secondary Configuration files 
##
config chip.h

# sample config for tyan/s2885
chip northbridge/amd/amdk8/root_complex
        device apic_cluster 0 on
                chip cpu/amd/socket_940
                        device apic 0 on end
                end
        end
	device pci_domain 0 on
		chip northbridge/amd/amdk8
			device pci 18.0 on # LDT0
				chip southbridge/amd/amd8151
					# the on/off keyword is mandatory
					device pci 0.0 on end
					device pci 1.0 on end
				end
			end
			device pci 18.0 on end # LDT1
			device pci 18.0 on #  northbridge 
				#  devices on link 2, link 2 == LDT 2
				chip southbridge/amd/amd8131
					# the on/off keyword is mandatory
					device pci 0.0 on 
                                                chip drivers/pci/onboard
                                                        device pci 9.0 on end # broadcom 5703
                                                end
					end
					device pci 0.1 on end
					device pci 1.0 on end
					device pci 1.1 on end
				end
				chip southbridge/amd/amd8111
					# this "device pci 0.0" is the parent the next one
					# PCI bridge
					device pci 0.0 on
						device pci 0.0 on end
						device pci 0.1 on end
						device pci 0.2 off end
						device pci 1.0 off end
                                                chip drivers/pci/onboard
                                                        device pci b.0 on end # SiI 3114
                                                end
					end
					device pci 1.0 on
						chip superio/winbond/w83627hf
							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 #  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 end
					device pci 1.2 on end
					device pci 1.3 on
                                                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 # acpi
					device pci 1.5 on end
					device pci 1.6 off end
                	                register "ide0_enable" = "1"
                	                register "ide1_enable" = "1"
				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

	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