##
## Compute the location and size of where this firmware image
## (linuxBIOS 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 linuxBIOS bootloader.
##
default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
default PAYLOAD_SIZE            = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )

##
## Compute where this copy of linuxBIOS 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 linuxBIOS,
## 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 )

##
## Set all of the defaults for an x86 architecture
##

arch i386 end

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

driver mainboard.o

if HAVE_PIRQ_TABLE
	object irq_tables.o
end

##
## Romcc output
##
# makerule ./failover.E
# 	depends "$(MAINBOARD)/failover.c ./romcc" 
# 	action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
# end
# 
# makerule ./failover.inc
# 	depends "$(MAINBOARD)/failover.c ./romcc"
# 	action "./romcc    -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
# end

makerule ./auto.E 
	depends	"$(MAINBOARD)/auto.c ./romcc" 
	action	"./romcc -E -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end
makerule ./auto.inc 
	depends "$(MAINBOARD)/auto.c ./romcc"
	action	"./romcc    -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end

##
## Build our 16 bit and 32 bit linuxBIOS entry code
##
mainboardinit cpu/x86/16bit/entry16.inc
mainboardinit cpu/x86/32bit/entry32.inc
ldscript /cpu/x86/16bit/entry16.lds
ldscript /cpu/x86/32bit/entry32.lds

##
## Build our reset vector (This is where linuxBIOS 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

### Should this be in the northbridge code?
mainboardinit arch/i386/lib/cpu_reset.inc

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

###
### This is the early phase of linuxBIOS 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 
# 	mainboardinit ./failover.inc
# end

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

##
## Setup RAM
##
mainboardinit cpu/x86/fpu/enable_fpu.inc
mainboardinit cpu/amd/model_gx1/cpu_setup.inc
mainboardinit cpu/amd/model_gx1/gx_setup.inc
mainboardinit ./auto.inc

##
## Include the secondary Configuration files 
##
dir /pc80
config chip.h

chip northbridge/amd/gx1		# Northbridge
  device pci_domain 0 on
    device pci 0.0 on end
      chip southbridge/amd/cs5530	# Southbridge
        device pci 12.0 on
          chip superio/nsc/pc87351	# Super I/O
            device pnp 2e.0 on		# PIC
               io 0x60 = 0x20
               io 0x62 = 0xa0
               irq 0x70 = 2
            end
            device pnp 2e.1 on		# DMA
            end
            device pnp 2e.2 on		# System Timer
               io 0x60 = 0x40
               irq 0x70 = 0
            end
            device pnp 2e.3 on		# RTC
               io 0x60 = 0x70
               irq 0x70 = 8
            end
            device pnp 2e.4 on		# Keyboard + Mouse
               io 0x60 = 0x60
               io 0x62 = 0x64
               irq 0x70 = 1
               irq 0x72 = 12
            end
            device pnp 2e.5 on		# PC Speaker
            end
            device pnp 2e.6 on		# Math Coprocessor (FPU)
               io 0x60 = 0xf0
               irq 0x70 = 13
            end
            device pnp 2e.7 on		# System board
            end
            device pnp 2e.8 on		# Motherboard resources
            end
            device pnp 2e.9 on		# PCI bus
            end
            device pnp 2e.c on		# Motherboard resources
            end
            device pnp 2e.d on		# Motherboard resources
            end
            device pnp 2e.e on		# COM1
               io 0x60 = 0x3f8
               irq 0x70 = 4
            end
            device pnp 2e.f off		# FDC
            end
            device pnp 2e.10 on		# Parallel port
               io 0x60 = 0x378
               irq 0x70 = 7
            end
            device pnp 2e.12 on		# COM2
               io 0x60 = 0x2f8
               irq 0x70 = 3
            end
          end
        device pci 12.1 off end		# SMI
        device pci 12.2 on  end		# IDE
        device pci 12.3 off end 	# Audio
        device pci 12.4 off end		# Video (VGA)
      end
      # device pci 12.4 on		# VGA (onboard)
      #   chip drivers/pci/onboard
      #     device pci 12.4 on end
      #     register "rom_address" = "0xfffc0000" # 256 KB image
      #     # register "rom_address" = "0xfff80000" # 512 KB image
      #     # register "rom_address" = "0xfff00000" # 1 MB image
      #   end
      # end
      device pci 0f.0 off end		# Ethernet (Realtek RTL8139B)
      device pci 13.0 on end		# USB
    end
  end

  chip cpu/amd/model_gx1		# CPU
  end

end