## ## 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 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 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 ) ## ## 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 coreboot 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 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 ### 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 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 # 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 # Host bridge chip southbridge/amd/cs5530 # Southbridge device pci 0f.0 off end # Ethernet (Realtek RTL8139B) device pci 12.0 on # ISA bridge chip superio/nsc/pc87351 # Super I/O device pnp 2e.4 on # PS/2 keyboard (+ mouse?) io 0x60 = 0x60 io 0x62 = 0x64 irq 0x70 = 1 # irq 0x72 = 12 end device pnp 2e.a on # PS/2 mouse irq 0x70 = 12 end device pnp 2e.e on # COM1 io 0x60 = 0x3f8 irq 0x70 = 4 end device pnp 2e.f off # Floppy io 0x60 = 0x3f2 irq 0x70 = 6 drq 0x74 = 2 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 end device pci 12.1 off end # SMI device pci 12.2 on end # IDE device pci 12.3 on end # Audio device pci 12.4 on end # VGA (onboard) # 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 13.0 on end # USB register "ide0_enable" = "1" register "ide1_enable" = "1" end end chip cpu/amd/model_gx1 # CPU end end