## ## 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 PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE ) default CONFIG_ROM_STREAM_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1) ## ## Compute where this copy of linuxBIOS will start in the boot rom ## default _ROMBASE = ( CONFIG_ROM_STREAM_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 ) arch i386 end ## ## Build the objects we have code for in this directory. ## driver mainboard.o if HAVE_MP_TABLE object mptable.o end if HAVE_PIRQ_TABLE object irq_tables.o end #object reset.o ## ## Romcc output ## makerule ./failover.E depends "$(MAINBOARD)/failover.c" action "$(CPP) -I$(TOP)/src $(ROMCCPPFLAGS) $(CPPFLAGS) $(MAINBOARD)/failover.c > ./failover.E" end makerule ./failover.inc depends "./failover.E ./romcc" action "./romcc -O -o failover.inc --label-prefix=failover ./failover.E" end makerule ./auto.E depends "$(MAINBOARD)/auto.c option_table.h " action "$(CPP) -I$(TOP)/src -I. $(ROMCCPPFLAGS) $(CPPFLAGS) $(MAINBOARD)/auto.c > ./auto.E" end makerule ./auto.inc depends "./auto.E ./romcc" action "./romcc -mcpu=k8 -O2 ./auto.E > auto.inc" 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 cpu/x86/sse/enable_sse.inc mainboardinit ./auto.inc mainboardinit cpu/x86/sse/disable_sse.inc mainboardinit cpu/x86/mmx/disable_mmx.inc ## ## Include the secondary Configuration files ## dir /pc80 config chip.h # sample config for tyan/s2850 chip northbridge/amd/amdk8 device pci_domain 0 on device pci 18.0 on # LDT0 # devices on link 2, link 2 == LDT 2 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 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 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 end # CIR device pnp 2e.7 off end # GAME_MIDI_GIPO1 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 end end end device pci 1.1 on end device pci 1.2 on end device pci 1.3 on end device pci 1.5 on end device pci 1.6 off end end end # device pci 18.0 device pci 18.0 on end 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 device apic_cluster 0 on chip cpu/amd/socket_940 device apic 0 on end end end end