Add support for the LiPPERT Cool RoadRunner-LX embedded PC board:

- PC/104+ form factor
- AMD Geode-LX CPU/northbridge
- AMD CS5536 southbridge
- ITE IT8712F superio
http://www.lippert-at.com/index.php?id=408

Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3760 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

6 files changed, 785 insertions, 0 deletions

diff --git a/src/mainboard/lippert/roadrunner-lx/Config.lb b/src/mainboard/lippert/roadrunner-lx/Config.lb
new file mode 100644
index 0000000000..cab9aa5f72
--- /dev/null
+++ b/src/mainboard/lippert/roadrunner-lx/Config.lb
@@ -0,0 +1,232 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 LiPPERT Embedded Computers GmbH
+##
+## Based on Config.lb from AMD's DB800 and DBM690T mainboards.
+##
+## 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 "$(MAINBOARD)/cache_as_ram_auto.c"
+			action "$(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
+register "sio_gp1x_config" = "0x20" # bit1 switches Com1 to RS485, bit2 same for Com2, bit5 turns off Live LED
+
+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]" = "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 #  Keyboard
+						io 0x60 = 0x60
+						io 0x62 = 0x64
+						irq 0x70 = 1
+					end
+					device pnp 2e.6 on #  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
+						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
diff --git a/src/mainboard/lippert/roadrunner-lx/Options.lb b/src/mainboard/lippert/roadrunner-lx/Options.lb
new file mode 100644
index 0000000000..4c03b2c702
--- /dev/null
+++ b/src/mainboard/lippert/roadrunner-lx/Options.lb
@@ -0,0 +1,211 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 LiPPERT Embedded Computers GmbH
+##
+## Based on Options.lb from AMD's DB800 mainboard.
+##
+## 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
+##
+
+uses HAVE_MP_TABLE
+uses HAVE_PIRQ_TABLE
+uses USE_FALLBACK_IMAGE
+uses HAVE_FALLBACK_BOOT
+uses HAVE_HARD_RESET
+uses HAVE_OPTION_TABLE
+uses USE_OPTION_TABLE
+uses CONFIG_ROM_PAYLOAD
+uses CONFIG_IDE
+uses CONFIG_FS_PAYLOAD
+uses CONFIG_FS_EXT2
+uses AUTOBOOT_DELAY
+uses AUTOBOOT_CMDLINE
+uses IRQ_SLOT_COUNT
+uses MAINBOARD
+uses MAINBOARD_VENDOR
+uses MAINBOARD_PART_NUMBER
+uses COREBOOT_EXTRA_VERSION
+uses ARCH
+uses FALLBACK_SIZE
+uses STACK_SIZE
+uses HEAP_SIZE
+uses ROM_SIZE
+uses ROM_SECTION_SIZE
+uses ROM_IMAGE_SIZE
+uses ROM_SECTION_SIZE
+uses ROM_SECTION_OFFSET
+uses CONFIG_ROM_PAYLOAD_START
+uses CONFIG_COMPRESS
+uses CONFIG_COMPRESSED_PAYLOAD_NRV2B
+uses CONFIG_COMPRESSED_PAYLOAD_LZMA
+uses CONFIG_PRECOMPRESSED_PAYLOAD
+uses PAYLOAD_SIZE
+uses _ROMBASE
+uses _RAMBASE
+uses XIP_ROM_SIZE
+uses XIP_ROM_BASE
+uses HAVE_MP_TABLE
+uses CROSS_COMPILE
+uses CC
+uses HOSTCC
+uses OBJCOPY
+uses DEBUG
+uses DEFAULT_CONSOLE_LOGLEVEL
+uses MAXIMUM_CONSOLE_LOGLEVEL
+uses CONFIG_CONSOLE_SERIAL8250
+uses TTYS0_BAUD
+uses TTYS0_BASE
+uses TTYS0_LCS
+uses CONFIG_UDELAY_TSC
+uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
+uses CONFIG_CONSOLE_VGA
+uses CONFIG_PCI_ROM_RUN
+uses CONFIG_VIDEO_MB
+uses USE_DCACHE_RAM
+uses DCACHE_RAM_BASE
+uses DCACHE_RAM_SIZE
+uses PIRQ_ROUTE
+
+## ROM_SIZE is the size of boot ROM that this board will use.
+default ROM_SIZE  = 512*1024
+
+###
+### Build options
+###
+default CONFIG_CONSOLE_VGA=0
+default CONFIG_VIDEO_MB=8
+default CONFIG_PCI_ROM_RUN=0
+
+##
+## Build code for the fallback boot
+##
+default HAVE_FALLBACK_BOOT=1
+
+##
+## no MP table
+##
+default HAVE_MP_TABLE=0
+
+##
+## Build code to reset the motherboard from coreboot
+##
+default HAVE_HARD_RESET=0
+
+## Delay timer options
+##
+default CONFIG_UDELAY_TSC=1
+default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2=1
+
+##
+## Build code to export a programmable irq routing table
+##
+default HAVE_PIRQ_TABLE=1
+default IRQ_SLOT_COUNT=7
+default PIRQ_ROUTE=1
+
+##
+## Build code to export a CMOS option table
+##
+default HAVE_OPTION_TABLE=0
+
+###
+### coreboot layout values
+###
+
+## ROM_IMAGE_SIZE is the amount of space to allow coreboot to occupy.
+default ROM_IMAGE_SIZE = 65536
+default FALLBACK_SIZE = 131072
+
+##
+## enable CACHE_AS_RAM specifics
+##
+default USE_DCACHE_RAM=1
+default DCACHE_RAM_BASE=0xc8000
+default DCACHE_RAM_SIZE=0x08000
+
+##
+## Use a small 8K stack
+##
+default STACK_SIZE=0x2000
+
+##
+## Use a small 16K heap
+##
+default HEAP_SIZE=0x4000
+
+##
+## Only use the option table in a normal image
+##
+#default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE
+default USE_OPTION_TABLE = 0
+
+default _RAMBASE = 0x00004000
+
+default CONFIG_ROM_PAYLOAD = 1
+
+##
+## The default compiler
+##
+default CROSS_COMPILE=""
+default CC="$(CROSS_COMPILE)gcc -m32"
+default HOSTCC="gcc"
+
+##
+## The Serial Console
+##
+
+# To Enable the Serial Console
+default CONFIG_CONSOLE_SERIAL8250=1
+
+## Select the serial console baud rate
+default TTYS0_BAUD=115200
+#default TTYS0_BAUD=57600
+#default TTYS0_BAUD=38400
+#default TTYS0_BAUD=19200
+#default TTYS0_BAUD=9600
+#default TTYS0_BAUD=4800
+#default TTYS0_BAUD=2400
+#default TTYS0_BAUD=1200
+
+# Select the serial console base port
+default TTYS0_BASE=0x3f8
+
+# Select the serial protocol
+# This defaults to 8 data bits, 1 stop bit, and no parity
+default TTYS0_LCS=0x3
+
+# Compile extra debugging code
+default DEBUG=1
+
+##
+### Select the coreboot loglevel
+##
+## EMERG      1   system is unusable
+## ALERT      2   action must be taken immediately
+## CRIT       3   critical conditions
+## ERR        4   error conditions
+## WARNING    5   warning conditions
+## NOTICE     6   normal but significant condition
+## INFO       7   informational
+## DEBUG      8   debug-level messages
+## SPEW       9   Way too many details
+
+## Request this level of debugging output
+default  DEFAULT_CONSOLE_LOGLEVEL=8
+## At a maximum only compile in this level of debugging
+default  MAXIMUM_CONSOLE_LOGLEVEL=8
+
+end
diff --git a/src/mainboard/lippert/roadrunner-lx/cache_as_ram_auto.c b/src/mainboard/lippert/roadrunner-lx/cache_as_ram_auto.c
new file mode 100644
index 0000000000..ce55aa0afe
--- /dev/null
+++ b/src/mainboard/lippert/roadrunner-lx/cache_as_ram_auto.c
@@ -0,0 +1,164 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 LiPPERT Embedded Computers GmbH
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * Based on cache_as_ram_auto.c from AMD's DB800 and DBM690T mainboards.
+ *
+ * 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
+ */
+
+#define ASSEMBLY 1
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/hlt.h>
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "cpu/x86/bist.h"
+#include "cpu/x86/msr.h"
+#include <cpu/amd/lxdef.h>
+#include <cpu/amd/geode_post_code.h>
+#include "southbridge/amd/cs5536/cs5536.h"
+
+#define POST_CODE(x) outb(x, 0x80)
+
+#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
+#include "southbridge/amd/cs5536/cs5536_early_setup.c"
+#include "superio/ite/it8712f/it8712f_early_serial.c"
+
+#define ManualConf 1		/* No automatic strapped PLL config */
+#define PLLMSRhi 0x0000049C	/* Manual settings for the PLL */
+#define PLLMSRlo 0x00DE6001
+#define DIMM0 0xA0
+#define DIMM1 0xA2
+
+static inline int spd_read_byte(unsigned int device, unsigned int address)
+{
+	if (device != DIMM0) return 0xFF;	// no DIMM1, don't even try
+	return smbus_read_byte(device, address);
+}
+
+#include "northbridge/amd/lx/raminit.h"
+#include "northbridge/amd/lx/pll_reset.c"
+#include "northbridge/amd/lx/raminit.c"
+#include "sdram/generic_sdram.c"
+#include "cpu/amd/model_lx/cpureginit.c"
+#include "cpu/amd/model_lx/syspreinit.c"
+
+static void msr_init(void)
+{
+	msr_t msr;
+
+	/* Setup access to the cache for under 1MB. */
+	msr.hi = 0x24fffc02;
+	msr.lo = 0x1000A000;	/* 0-A0000 write back */
+	wrmsr(CPU_RCONF_DEFAULT, msr);
+
+	msr.hi = 0x0;		/* Write back */
+	msr.lo = 0x0;
+	wrmsr(CPU_RCONF_A0_BF, msr);
+	wrmsr(CPU_RCONF_C0_DF, msr);
+	wrmsr(CPU_RCONF_E0_FF, msr);
+
+	/* Setup access to the cache for under 640K. Note MC not setup yet. */
+	msr.hi = 0x20000000;
+	msr.lo = 0xfff80;
+	wrmsr(MSR_GLIU0 + 0x20, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo = 0x80fffe0;
+	wrmsr(MSR_GLIU0 + 0x21, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo = 0xfff80;
+	wrmsr(MSR_GLIU1 + 0x20, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo = 0x80fffe0;
+	wrmsr(MSR_GLIU1 + 0x21, msr);
+}
+
+static const u16 sio_init_table[] = {	// hi=data, lo=index
+	0x0707,		// select LDN 7 (GPIO, SPI, watchdog, ...)
+	0x1E2C,		// disable ATXPowerGood - will cause a reboot!
+	0x0423,		// don't delay POWerOK1/2
+	0x9072,		// watchdog triggers POWOK, counts seconds
+#if !USE_WATCHDOG_ON_BOOT
+	0x0073, 0x0074,	// disable watchdog by setting timeout to 0
+#endif
+	0xBF25, 0x372A, 0xF326, // select GPIO function for most pins
+	0xBF27, 0xFF28, 0x2529, // (GP36=FAN_CTL3, GP13=PWROK1)
+	0x1E2C,		// VIN6=enabled?, FAN4/5 enabled, VIN7=internal, VIN3=enabled
+	0x46B8, 0x0CB9,	// enable pullups
+	0x36C0,		// enable Simple-I/O for GP15,14,12,11= LIVE_LED, WD_ACTIVE, RS485_EN2,1
+	0xFFC3,		// enable Simple-I/O for GP47-40 (GPIOs on Supervisory Connector)
+	0x26C8,		// config GP15,12,11 as output; GP14 as input
+	0x2DF5,		// map Hw Monitor Thermal Output to GP55
+	0x0DF8,		// map GP LED Blinking 1 to GP15=LIVE_LED (deactivate Simple-I/O to use)
+};
+
+/* Early mainboard specific GPIO setup. */
+static void mb_gpio_init(void)
+{
+	int i;
+
+	/* Init SuperIO WDT, GPIOs. Done early, WDT init may trigger reset! */
+	it8712f_enter_conf();
+	for (i=0; i<ARRAY_SIZE(sio_init_table); i++) {
+		u16 val = sio_init_table[i];
+		outb((u8)val, SIO_INDEX); outb(val>>8, SIO_DATA);
+	}
+	it8712f_exit_conf();
+}
+
+void cache_as_ram_main(void)
+{
+	POST_CODE(0x01);
+
+	static const struct mem_controller memctrl[] = {
+		{.channel0 = {(0xa << 3) | 0, (0xa << 3) | 1}}
+	};
+
+	SystemPreInit();
+	msr_init();
+
+	cs5536_early_setup();
+
+	/* Note: must do this AFTER the early_setup! It is counting on some
+	 * early MSR setup for CS5536.
+	 */
+	it8712f_enable_serial(0, TTYS0_BASE); // does not use its 1st parameter
+	mb_gpio_init();
+	uart_init();
+	console_init();
+
+	pll_reset(ManualConf);
+
+	cpuRegInit();
+
+	sdram_initialize(1, memctrl);
+
+	/* Check memory. */
+	/* ram_check(0x00000000, 640 * 1024); */
+
+	/* Memory is setup. Return to cache_as_ram.inc and continue to boot. */
+	return;
+}
diff --git a/src/mainboard/lippert/roadrunner-lx/chip.h b/src/mainboard/lippert/roadrunner-lx/chip.h
new file mode 100644
index 0000000000..9af3fe3bf8
--- /dev/null
+++ b/src/mainboard/lippert/roadrunner-lx/chip.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 LiPPERT Embedded Computers GmbH
+ *
+ * Based on chip.h from AMD's DB800 mainboard.
+ *
+ * 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
+ */
+
+#include <stdint.h>
+
+extern struct chip_operations mainboard_lippert_roadrunner_lx_ops;
+
+struct mainboard_lippert_roadrunner_lx_config {
+	u8 sio_gp1x_config;	// bit5=Live LED, bit2=RS485_EN2, bit1=RS485_EN1
+};
diff --git a/src/mainboard/lippert/roadrunner-lx/irq_tables.c b/src/mainboard/lippert/roadrunner-lx/irq_tables.c
new file mode 100644
index 0000000000..1249c05da5
--- /dev/null
+++ b/src/mainboard/lippert/roadrunner-lx/irq_tables.c
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 LiPPERT Embedded Computers GmbH
+ *
+ * Based on irq_tables.c from AMD's DB800 mainboard.
+ *
+ * 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
+ */
+
+#include <arch/pirq_routing.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include <arch/pirq_routing.h>
+#include "../../../southbridge/amd/cs5536/cs5536.h"
+
+/* Platform IRQs */
+#define PIRQA 10
+#define PIRQB 11
+#define PIRQC 5
+#define PIRQD 15
+
+/* Map */
+#define M_PIRQA (1 << PIRQA)	/* Bitmap of supported IRQs */
+#define M_PIRQB (1 << PIRQB)	/* Bitmap of supported IRQs */
+#define M_PIRQC (1 << PIRQC)	/* Bitmap of supported IRQs */
+#define M_PIRQD (1 << PIRQD)	/* Bitmap of supported IRQs */
+
+/* Link */
+#define L_PIRQA	 1		/* Means Slot INTx# Connects To Chipset INTA# */
+#define L_PIRQB	 2		/* Means Slot INTx# Connects To Chipset INTB# */
+#define L_PIRQC	 3		/* Means Slot INTx# Connects To Chipset INTC# */
+#define L_PIRQD	 4		/* Means Slot INTx# Connects To Chipset INTD# */
+
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,		/* u32 signature */
+	PIRQ_VERSION,		/* u16 version   */
+	32 + 16 * IRQ_SLOT_COUNT,	/* there can be total 7 devices on the bus */
+	0x00,			/* Where the interrupt router lies (bus) */
+	(0x0F << 3) | 0x0,	/* Where the interrupt router lies (dev) */
+	0x00,			/* IRQs devoted exclusively to PCI usage */
+	0x100B,			/* Vendor */
+	0x002B,			/* Device */
+	0,			/* Crap (miniport) */
+	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},	/* u8 rfu[11] */
+	0xE0,			/*      u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
+	{
+	 /* If you change the number of entries, change the IRQ_SLOT_COUNT above! */
+	 /* bus, dev|fn,           {link, bitmap},      {link, bitmap},     {link, bitmap},     {link, bitmap},     slot, rfu */
+	 {0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00},       {0x00, 0x00},       {0x00, 0x00}},       0x0, 0x0},	/* cpu */
+	 {0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0},	/* chipset */
+	 {0x00, (0x0E << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00},       {0x00, 0x00},       {0x00, 0x00}},       0x0, 0x0},	/* ethernet */
+	 {0x00, (0x0B << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x1, 0x0},	/* slot1 */
+	 {0x00, (0x0A << 3) | 0x0, {{L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}}, 0x2, 0x0},	/* slot2 */
+	 {0x00, (0x09 << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x3, 0x0},	/* slot3 */
+	 {0x00, (0x08 << 3) | 0x0, {{L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}}, 0x4, 0x0},	/* slot4 */
+	}
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+	return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/lippert/roadrunner-lx/mainboard.c b/src/mainboard/lippert/roadrunner-lx/mainboard.c
new file mode 100644
index 0000000000..cb3c2306ea
--- /dev/null
+++ b/src/mainboard/lippert/roadrunner-lx/mainboard.c
@@ -0,0 +1,74 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 LiPPERT Embedded Computers GmbH
+ *
+ * Based on mainboard.c from AMD's DB800 mainboard.
+ *
+ * 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
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <arch/io.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include "chip.h"
+
+static const u16 ec_init_table[] = {	// hi=data, lo=index
+	0x1900,		// enable monitoring
+	0x0351,		// TMPIN1,2 diode mode, TMPIN3 off
+	0x805C,		// unlock zero adjust
+	0x7056, 0x3C57,	// zero adjust TMPIN1,2
+	0x005C,		// lock zero adjust
+	0xD014		// also set FAN_CTL polarity to Active High
+};
+
+static void init(struct device *dev)
+{
+	struct mainboard_lippert_roadrunner_lx_config *mb = dev->chip_info;
+	unsigned int gpio_base, i;
+	printk_debug("LiPPERT RoadRunner-LX ENTER %s\n", __FUNCTION__);
+
+	/* Init CS5536 GPIOs */
+	gpio_base = pci_read_config32(dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, 0),
+				      PCI_BASE_ADDRESS_1) - 1;
+	outl(0x00000040, gpio_base + 0x00);	// GPIO6  value      1 - LAN_PD#
+	outl(0x00000040, gpio_base + 0x04);	// GPIO6  output     1 - LAN_PD#
+	outl(0x00000400, gpio_base + 0x34);	// GPIO10 in aux1    1 - THRM_ALRM#
+	outl(0x00000400, gpio_base + 0x20);	// GPIO10 input      1 - THRM_ALRM#
+	outl(0x08000000, gpio_base + 0x98);	// GPIO27 pull up    0 - PM-LED
+
+	/* Init Environment Controller */
+	for (i=0; i<ARRAY_SIZE(ec_init_table); i++) {
+		u16 val = ec_init_table[i];
+		outb((u8)val, 0x0295); outb(val>>8, 0x0296);
+	}
+
+	outb(mb->sio_gp1x_config, 0x1220); // Simple-I/O GP17-10
+	printk_debug("LiPPERT RoadRunner-LX EXIT %s\n", __FUNCTION__);
+}
+
+static void enable_dev(struct device *dev)
+{
+	dev->ops->init = init;
+}
+
+struct chip_operations mainboard_lippert_roadrunner_lx_ops = {
+	CHIP_NAME("LiPPERT RoadRunner-LX Mainboard")
+	.enable_dev = enable_dev,
+};