| ## |
| ## 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 |
| |
| |
| if USE_DCACHE_RAM |
| #compile cache_as_ram.c to auto.inc |
| makerule ./cache_as_ram_auto.inc |
| depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h" |
| action "$(CC) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@" |
| action "perl -e 's/.rodata/.rom.data/g' -pi $@" |
| action "perl -e 's/.text/.section .rom.text/g' -pi $@" |
| end |
| end |
| |
| |
| |
| ## |
| ## Romcc output |
| ## |
| #makerule ./failover.E |
| # depends "$(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 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? |
| #not in serengeti_cheetah 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 |
| |
| if USE_DCACHE_RAM |
| mainboardinit cpu/amd/model_lx/cache_as_ram.inc |
| mainboardinit ./cache_as_ram_auto.inc |
| end |
| |
| ## |
| ## Include the secondary Configuration files |
| ## |
| dir /pc80 |
| config chip.h |
| |
| chip northbridge/amd/lx |
| device pci_domain 0 on |
| device pci 1.0 on end # Northbridge |
| device pci 1.1 on end # Graphics |
| chip southbridge/amd/cs5536 |
| # IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK |
| # SIRQ Mode = Active(Quiet) mode. Save power.... |
| # Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK |
| register "lpc_serirq_enable" = "0x00001002" |
| register "lpc_serirq_polarity" = "0x0000EFFD" |
| register "lpc_serirq_mode" = "1" |
| register "enable_gpio_int_route" = "0x0D0C0700" |
| register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash |
| register "enable_USBP4_device" = "0" #0: host, 1:device |
| register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381) |
| register "com1_enable" = "1" |
| register "com1_address" = "0x3F8" |
| register "com1_irq" = "4" |
| register "com2_enable" = "1" |
| register "com2_address" = "0x2F8" |
| register "com2_irq" = "3" |
| register "unwanted_vpci[0]" = "0" # End of list has a zero |
| device pci b.0 on end # Slot 3 |
| device pci c.0 on end # Slot 4 |
| device pci d.0 on end # Slot 1 |
| device pci e.0 on end # Slot 2 |
| device pci f.0 on end # ISA Bridge |
| device pci f.2 on end # IDE Controller |
| device pci f.3 on end # Audio |
| device pci f.4 on end # OHCI |
| device pci f.5 on end # EHCI |
| end |
| end |
| # APIC cluster is late CPU init. |
| device apic_cluster 0 on |
| chip cpu/amd/model_lx |
| device apic 0 on end |
| end |
| end |
| |
| end |
| |