## ## This file is part of the coreboot project. ## ## Copyright (C) 2008 LiPPERT Embedded Computers GmbH ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2 of the License, or ## (at your option) any later version. ## ## This program is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## ## ## 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 = 64 * 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 if USE_DCACHE_RAM # compile cache_as_ram.c to auto.inc makerule ./cache_as_ram_auto.inc depends "$(MAINBOARD)/cache_as_ram_auto.c" action "$(CC) $(DISTRO_CFLAGS) -I$(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 ## ## 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? #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 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 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 # See also SMC_CONFIG in cache_as_ram_auto.c. # Bit0 turns off Live LED, bit1 switches Com1 to RS485, bit2 same for Com2. register "sio_gp1x_config" = "0x01" chip northbridge/amd/lx device pci_domain 0 on device pci 1.0 on end # Northbridge device pci 1.1 on end # Graphics device pci 1.2 on end # AES 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, # UARTs, etc IRQs. OK register "lpc_serirq_enable" = "0x000012DA" # 00010010 11011010 register "lpc_serirq_polarity" = "0x0000ED25" # inverse of above 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" = "0" register "com1_address" = "0x3E8" register "com1_irq" = "6" register "com2_enable" = "0" register "com2_address" = "0x2E8" register "com2_irq" = "6" register "unwanted_vpci[0]" = "0x80007B00" # Audio: 1<<31 + Device 0x0F<<11 + Function 3<<8 register "unwanted_vpci[1]" = "0" # End of list has a zero device pci 8.0 on end # Slot4 device pci 9.0 on end # Slot3 device pci a.0 on end # Slot2 device pci b.0 on end # Slot1 device pci c.0 on end # IT8888 device pci e.0 on end # Ethernet device pci f.0 on # ISA Bridge chip superio/ite/it8712f device pnp 2e.0 off # Floppy io 0x60 = 0x3f0 irq 0x70 = 6 drq 0x74 = 2 end device pnp 2e.1 on # Com1 io 0x60 = 0x3f8 irq 0x70 = 4 end device pnp 2e.2 on # Com2 io 0x60 = 0x2f8 irq 0x70 = 3 end device pnp 2e.3 on # Parallel port io 0x60 = 0x378 irq 0x70 = 7 end device pnp 2e.4 on # EC io 0x60 = 0x290 io 0x62 = 0x230 irq 0x70 = 9 end device pnp 2e.5 on # PS/2 keyboard io 0x60 = 0x60 io 0x62 = 0x64 irq 0x70 = 1 end device pnp 2e.6 on # PS/2 mouse irq 0x70 = 12 end device pnp 2e.7 on # GPIO io 0x62 = 0x1220 io 0x64 = 0x1200 end device pnp 2e.8 off # MIDI io 0x60 = 0x300 irq 0x70 = 9 end device pnp 2e.9 off # Game port io 0x60 = 0x220 end device pnp 2e.a off end # CIR end end device pci f.2 on end # IDE device pci f.3 off 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