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##
## This file is part of the coreboot project.
##
## Copyright (C) 2006-2007 Ronald G. Minnich <rminnich@gmail.com>
##
## 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=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
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) $(DISTRO_CFLAGS) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -g -dA -fverbose-asm -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?
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
chip northbridge/amd/lx
device pci_domain 0 on
device pci 1.0 on end
device pci 1.1 on end
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
# How to get these? Boot linux and do this:
# rdmsr 0x51400025
register "lpc_serirq_enable" = "0x0000105a"
# rdmsr 0x5140004e -- polairy is high 16 bits of low 32 bits
register "lpc_serirq_polarity" = "0x0000EFA5"
# mode is high 10 bits (determined from code)
register "lpc_serirq_mode" = "1"
# Don't yet know how to find this.
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" = "0x3F8"
register "com1_irq" = "4"
register "com2_enable" = "0"
register "com2_address" = "0x2F8"
register "com2_irq" = "3"
register "unwanted_vpci[0]" = "0" # End of list has a zero
device pci f.0 on # ISA Bridge
chip superio/winbond/w83627hf
device pnp 2e.0 off # Floppy
io 0x60 = 0x3f0
irq 0x70 = 6
drq 0x74 = 2
end
device pnp 2e.1 on # 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 on # 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 # CIR
io 0x60 = 0x100
end
device pnp 2e.7 off # GAME_MIDI_GIPO1
io 0x60 = 0x220
io 0x62 = 0x300
irq 0x70 = 9
end
device pnp 2e.8 on end # GPIO2
device pnp 2e.9 on end # GPIO3
device pnp 2e.a on end # ACPI
device pnp 2e.b on # HW Monitor
io 0x60 = 0x290
irq 0x70 = 5
end
end
end
device pci f.1 on end # Flash controller
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
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