## ## 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 #object reset.o ## ## 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 option_table.h ./romcc" action "./romcc -E -mcpu=p2 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@" end makerule ./auto.inc depends "$(MAINBOARD)/auto.c option_table.h ./romcc" action "./romcc -mcpu=p2 -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/x86/mmx/enable_mmx.inc mainboardinit ./auto.inc mainboardinit cpu/x86/mmx/disable_mmx.inc ## ## Include the secondary Configuration files ## dir /pc80 config chip.h chip northbridge/intel/i82810 device pci_domain 0 on device pci 0.0 on end # Host bridge device pci 1.0 on # Onboard Video #chip drivers/pci/onboard # device pci 1.0 on end # register "rom_address" = "0xfff80000" #end end chip southbridge/intel/i82801xx # Southbridge device pci 1e.0 on # PCI Bridge #chip drivers/pci/onboard # device pci 1.0 on end # register "rom_address" = "0xfff80000" #end end device pci 1f.0 on # ISA/LPC? Bridge chip superio/smsc/lpc47b272 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 on # Keyboard io 0x60 = 0x60 io 0x62 = 0x64 irq 0x70 = 1 # Keyboard interrupt irq 0x72 = 12 # Mouse interrupt end device pnp 2e.a off end # ACPI end end device pci 1f.1 on end # IDE device pci 1f.2 on end # USB device pci 1f.3 on end # SMBus device pci 1f.5 off end # AC'97, no header on MEW-VM device pci 1f.6 off end # AC'97 Modem (MC'97) end end chip cpu/intel/socket_PGA370 end end