## ## Compute the location and size of where this firmware image ## (coreboot plus bootloader) will live in the boot rom chip. ## default ROM_SIZE = 512 * 1024 default FALLBACK_SIZE = 0x10000 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=32*1024 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 "$(MAINBOARD)/../../../arch/i386/lib/failover.c ../romcc" action "../romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/../../../arch/i386/lib/failover.c -o $@" end makerule ./failover.inc depends "$(MAINBOARD)/../../../arch/i386/lib/failover.c ../romcc" action "../romcc -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/../../../arch/i386/lib/failover.c -o $@" end makerule ./auto.E depends "$(MAINBOARD)/auto.c option_table.h ../romcc" action "../romcc -E -mcpu=i386 -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=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 # VGA console if CONFIG_CONSOLE_VGA default CONFIG_PCI_ROM_RUN=1 end ### ### O.k. We aren't just an intermediary anymore! ### ## ## Setup RAM ## mainboardinit cpu/x86/fpu/enable_fpu.inc mainboardinit ./auto.inc ## ## Include the secondary Configuration files ## dir /pc80 dir /devices config chip.h chip cpu/amd/sc520 device pci_domain 0 on device pci 0.0 on end chip drivers/pci/onboard device pci 12.0 on end # enet end chip drivers/pci/onboard device pci 14.0 on end # 69000 register "rom_address" = "0x2000000" end # register "com1" = "{1}" # register "com1" = "{1, 0, 0x3f8, 4}" end end