##
## 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
##

## Based on Config.lb from AMD's DB800 and DBM690T mainboards.

##
## 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

	# 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) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(TOP)/src -I. -nostdinc -nostdlib -fno-builtin -Wall -Os -c -S $(MAINBOARD)/cache_as_ram_auto.c -o $@"
		action "perl -e 's/.rodata/.rom.data/g' -pi $@"
		action "perl -e 's/.text/.section .rom.text/g' -pi $@"
	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

	mainboardinit cpu/amd/model_lx/cache_as_ram.inc
	mainboardinit ./cache_as_ram_auto.inc

##
## Include the secondary configuration files
##
dir /pc80
config chip.h

# Bit1 switches Com1 to RS485, bit2 same for Com2, bit5 turns off Live LED.
register "sio_gp1x_config" = "0x20"

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		# Southbridge
      # 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]"         = "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 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