Add support for the VIA pc2500e mainboard (CN700 + VT8237R).

Works good enough to boot to a Linux console.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Corey Osgood <corey.osgood@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3650 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

7 files changed, 539 insertions, 0 deletions

diff --git a/src/mainboard/via/pc2500e/Config.lb b/src/mainboard/via/pc2500e/Config.lb
new file mode 100644
index 0000000000..b6aca0506f
--- /dev/null
+++ b/src/mainboard/via/pc2500e/Config.lb
@@ -0,0 +1,170 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## 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
+##
+
+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
+default PAYLOAD_SIZE = (ROM_SECTION_SIZE - ROM_IMAGE_SIZE)
+default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
+default _ROMBASE = (CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE)
+default XIP_ROM_SIZE = 64 * 1024
+default XIP_ROM_BASE = (_ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE)
+arch i386 end
+driver mainboard.o
+if HAVE_PIRQ_TABLE object irq_tables.o end
+if HAVE_MP_TABLE object mptable.o end
+if HAVE_ACPI_TABLES
+	object fadt.o
+	object dsdt.o
+	object acpi_tables.o
+end
+makerule ./failover.E
+	depends "$(MAINBOARD)/../../../arch/i386/lib/failover.c ../romcc"
+	action "../romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/../../../arch/i386/lib/failover.c -o $@"
+end
+makerule ./failover.inc
+	depends "$(MAINBOARD)/../../../arch/i386/lib/failover.c ../romcc"
+	action "../romcc    -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/../../../arch/i386/lib/failover.c -o $@"
+end
+makerule ./auto.E
+	depends	"$(MAINBOARD)/auto.c option_table.h ../romcc"
+	action	"../romcc -E -mcpu=c3 -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=c3 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
+end
+mainboardinit cpu/x86/16bit/entry16.inc
+mainboardinit cpu/x86/32bit/entry32.inc
+ldscript /cpu/x86/16bit/entry16.lds
+ldscript /cpu/x86/32bit/entry32.lds
+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
+mainboardinit arch/i386/lib/cpu_reset.inc
+mainboardinit arch/i386/lib/id.inc
+ldscript /arch/i386/lib/id.lds
+if USE_FALLBACK_IMAGE
+	ldscript /arch/i386/lib/failover.lds
+	mainboardinit ./failover.inc
+end
+mainboardinit cpu/x86/fpu/enable_fpu.inc
+mainboardinit cpu/x86/mmx/enable_mmx.inc
+mainboardinit ./auto.inc
+mainboardinit cpu/x86/mmx/disable_mmx.inc
+dir /pc80
+config chip.h
+
+chip northbridge/via/cn700			# Northbridge
+  device pci_domain 0 on			# PCI domain
+    device pci 0.0 on end			# AGP Bridge
+    device pci 0.1 on end			# Error Reporting
+    device pci 0.2 on end			# Host Bus Control
+    device pci 0.3 on end			# Memory Controller
+    device pci 0.4 on end			# Power Management
+    device pci 0.7 on end			# V-Link Controller
+    device pci 1.0 on end			# PCI Bridge
+    chip southbridge/via/vt8237r		# Southbridge
+      # Enable both IDE channels.
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "1"
+      # Both cables are 40pin.
+      register "ide0_80pin_cable" = "0"
+      register "ide1_80pin_cable" = "0"
+      device pci f.0 on end			# SATA
+      device pci f.1 on end			# IDE
+      register "fn_ctrl_lo" = "0x80"
+      register "fn_ctrl_hi" = "0x1d"
+      device pci 10.0 on end			# UHCI
+      device pci 10.1 on end			# UHCI
+      device pci 10.2 on end			# UHCI
+      device pci 10.3 on end			# UHCI
+      device pci 10.4 on end			# EHCI
+      device pci 10.5 on end			# UDCI
+      device pci 11.0 on			# Southbridge LPC
+        chip superio/ite/it8716f		# Super I/O
+          device pnp 2e.0 on			# 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 off			# COM2 (N/A on this board)
+            io 0x60 = 0x2f8
+            irq 0x70 = 3
+          end
+          device pnp 2e.3 on			# Parallel port
+            io 0x60 = 0x378
+            irq 0x70 = 7
+            drq 0x74 = 3
+          end
+          device pnp 2e.4 on			# Environment controller
+            io 0x60 = 0x290
+            io 0x62 = 0x0000
+            irq 0x70 = 9
+          end
+          device pnp 2e.5 off			# PS/2 keyboard (not used)
+            io 0x60 = 0x60
+            io 0x62 = 0x64
+            irq 0x70 = 1
+          end
+          device pnp 2e.6 off			# PS/2 mouse (not used)
+            irq 0x70 = 12
+          end
+          device pnp 2e.7 on			# GPIO
+            io 0x60 = 0x0000
+            io 0x62 = 0x0800
+            io 0x64 = 0x0000
+          end
+          device pnp 2e.8 off			# MIDI port (N/A)
+            io 0x60 = 0x300
+            irq 0x70 = 10
+          end
+          device pnp 2e.9 off			# Game port (N/A)
+            io 0x60 = 0x201
+          end
+          device pnp 2e.a on			# Consumer IR
+            io 0x60 = 0x310
+            irq 0x70 = 11
+          end
+        end
+      end
+      device pci 11.5 on end			# AC'97 audio
+      # device pci 11.6 off end			# AC'97 modem (N/A)
+      device pci 12.0 on end			# Ethernet
+    end
+  end
+  device apic_cluster 0 on			# APIC cluster
+    chip cpu/via/model_c7			# VIA C7
+      device apic 0 on end			# APIC
+    end
+  end
+end
diff --git a/src/mainboard/via/pc2500e/Options.lb b/src/mainboard/via/pc2500e/Options.lb
new file mode 100644
index 0000000000..fa2b02b2bb
--- /dev/null
+++ b/src/mainboard/via/pc2500e/Options.lb
@@ -0,0 +1,114 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## 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 IRQ_SLOT_COUNT
+uses MAINBOARD
+uses MAINBOARD_VENDOR
+uses MAINBOARD_PART_NUMBER
+uses MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
+uses MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID
+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_OFFSET
+uses CONFIG_ROM_PAYLOAD_START
+uses CONFIG_COMPRESSED_PAYLOAD_NRV2B
+uses CONFIG_COMPRESSED_PAYLOAD_LZMA
+uses PAYLOAD_SIZE
+uses _ROMBASE
+uses _RAMBASE
+uses XIP_ROM_SIZE
+uses XIP_ROM_BASE
+uses HAVE_MP_TABLE
+uses HAVE_ACPI_TABLES
+uses CROSS_COMPILE
+uses CC
+uses HOSTCC
+uses OBJCOPY
+uses DEFAULT_CONSOLE_LOGLEVEL
+uses MAXIMUM_CONSOLE_LOGLEVEL
+uses CONFIG_CONSOLE_SERIAL8250
+uses CONFIG_UDELAY_TSC
+uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
+uses CONFIG_PCI_ROM_RUN
+uses CONFIG_CONSOLE_VGA
+uses CONFIG_MAX_PCI_BUSES
+uses TTYS0_BAUD
+uses TTYS0_BASE
+uses TTYS0_LCS
+uses CONFIG_CHIP_NAME
+uses CONFIG_VIDEO_MB
+uses CONFIG_IOAPIC
+
+default ROM_SIZE = 512 * 1024
+default ROM_IMAGE_SIZE = 64 * 1024
+default FALLBACK_SIZE = ROM_SIZE
+default CONFIG_IOAPIC = 0
+default CONFIG_VIDEO_MB = 32
+default CONFIG_CONSOLE_SERIAL8250 = 1
+default CONFIG_PCI_ROM_RUN = 0
+default CONFIG_CONSOLE_VGA = 0
+default CONFIG_CHIP_NAME = 1
+default HAVE_FALLBACK_BOOT = 1
+default HAVE_MP_TABLE = 0
+default CONFIG_UDELAY_TSC = 1
+default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 = 1
+default HAVE_HARD_RESET = 0
+default HAVE_PIRQ_TABLE = 1
+default IRQ_SLOT_COUNT = 10
+default HAVE_ACPI_TABLES = 0
+default HAVE_OPTION_TABLE = 1
+default USE_FALLBACK_IMAGE = 1
+default MAINBOARD_VENDOR = "VIA"
+default MAINBOARD_PART_NUMBER = "pc2500e"
+default MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID = 0x1019
+default MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID = 0xaa51
+default STACK_SIZE = 8 * 1024
+default HEAP_SIZE = 16 * 1024
+# default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE
+default USE_OPTION_TABLE = 1
+default _RAMBASE = 0x00004000
+default CONFIG_ROM_PAYLOAD = 1
+default CROSS_COMPILE = ""
+default CC = "$(CROSS_COMPILE)gcc -m32 -fno-stack-protector"
+default HOSTCC = "gcc"
+default CONFIG_MAX_PCI_BUSES = 3
+default CONFIG_CONSOLE_SERIAL8250 = 1
+default TTYS0_BAUD = 115200
+default TTYS0_BASE = 0x3f8
+default TTYS0_LCS = 0x3
+default MAXIMUM_CONSOLE_LOGLEVEL = 9
+default DEFAULT_CONSOLE_LOGLEVEL = 9
+
+end
+
diff --git a/src/mainboard/via/pc2500e/auto.c b/src/mainboard/via/pc2500e/auto.c
new file mode 100644
index 0000000000..dbc6720607
--- /dev/null
+++ b/src/mainboard/via/pc2500e/auto.c
@@ -0,0 +1,84 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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 <stdint.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <arch/hlt.h>
+#include "option_table.h"
+#include "pc80/mc146818rtc_early.c"
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "northbridge/via/cn700/raminit.h"
+#include "cpu/x86/mtrr/earlymtrr.c"
+#include "cpu/x86/bist.h"
+#include "pc80/udelay_io.c"
+#include "lib/delay.c"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "southbridge/via/vt8237r/vt8237r_early_smbus.c"
+#include "superio/ite/it8716f/it8716f_early_serial.c"
+
+#define SERIAL_DEV PNP_DEV(0x2e, IT8716F_SP1)
+
+static int spd_read_byte(u16 device, u16 address)
+{
+	return smbus_read_byte(device, address);
+}
+
+#include "northbridge/via/cn700/raminit.c"
+
+static const struct mem_controller ctrl = {
+	.d0f0 = 0x0000,
+	.d0f2 = 0x2000,
+	.d0f3 = 0x3000,
+	.d0f4 = 0x4000,
+	.d0f7 = 0x7000,
+	.d1f0 = 0x8000,
+	.channel0 = { 0x50 }, /* TODO: CN700 currently only supports 1 DIMM. */
+};
+
+static void main(unsigned long bist)
+{
+	/* Enable multifunction for northbridge. */
+	pci_write_config8(ctrl.d0f0, 0x4f, 0x01);
+
+	it8716f_enable_serial(SERIAL_DEV, TTYS0_BASE);
+	uart_init();
+	console_init();
+
+	enable_smbus();
+	smbus_fixup(&ctrl);
+
+	if (bist == 0)
+		early_mtrr_init();
+
+	/* Halt if there was a built-in self test failure. */
+	report_bist_failure(bist);
+
+	ddr_ram_setup(&ctrl);
+
+	/* ram_check(0, 640 * 1024); */
+}
diff --git a/src/mainboard/via/pc2500e/chip.h b/src/mainboard/via/pc2500e/chip.h
new file mode 100644
index 0000000000..abb1f6c9ba
--- /dev/null
+++ b/src/mainboard/via/pc2500e/chip.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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
+ */
+
+extern struct chip_operations mainboard_via_pc2500e_ops;
+
+struct mainboard_via_pc2500e_config {
+};
diff --git a/src/mainboard/via/pc2500e/cmos.layout b/src/mainboard/via/pc2500e/cmos.layout
new file mode 100644
index 0000000000..1983378df5
--- /dev/null
+++ b/src/mainboard/via/pc2500e/cmos.layout
@@ -0,0 +1,68 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## 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
+##
+
+entries
+
+#start-bit length  config config-ID   name
+0          384       r       0        reserved_memory
+384          1       e       4        boot_option
+385          1       e       4        last_boot
+386          1       e       1        ECC_memory
+388          4       r       0        reboot_bits
+392          3       e       5        baud_rate
+400          1       e       1        power_on_after_fail
+412          4       e       6        debug_level
+416          4       e       7        boot_first
+420          4       e       7        boot_second
+424          4       e       7        boot_third
+428          4       h       0        boot_index
+432          8       h       0        boot_countdown
+1008         16      h       0        check_sum
+
+enumerations
+
+#ID value   text
+1     0     Disable
+1     1     Enable
+4     0     Fallback
+4     1     Normal
+5     0     115200
+5     1     57600
+5     2     38400
+5     3     19200
+5     4     9600
+5     5     4800
+5     6     2400
+5     7     1200
+6     6     Notice
+6     7     Info
+6     8     Debug
+6     9     Spew
+7     0     Network
+7     1     HDD
+7     2     Floppy
+7     8     Fallback_Network
+7     9     Fallback_HDD
+7     10    Fallback_Floppy
+
+checksums
+
+checksum 392 1007 1008
+
diff --git a/src/mainboard/via/pc2500e/irq_tables.c b/src/mainboard/via/pc2500e/irq_tables.c
new file mode 100644
index 0000000000..a9f39ac54d
--- /dev/null
+++ b/src/mainboard/via/pc2500e/irq_tables.c
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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>
+
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,
+	PIRQ_VERSION,
+	32 + 16 * IRQ_SLOT_COUNT,/* Max. number of devices on the bus */
+	0x00,			/* Interrupt router bus */
+	(0x11 << 3) | 0x0,	/* Interrupt router device */
+	0x828,			/* IRQs devoted exclusively to PCI usage */
+	0x1106,			/* Vendor */
+	0x596,			/* Device */
+	0,			/* Crap (miniport) */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0x3e,			/* Checksum */
+	{
+		/* bus,     dev|fn,   {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap},  slot, rfu */
+		{0x00,(0x08<<3)|0x0, {{0x01, 0xdef8}, {0x02, 0xdef8}, {0x03, 0xdef8}, {0x05, 0x0def8}}, 0x1, 0x0},
+		{0x00,(0x09<<3)|0x0, {{0x02, 0xdef8}, {0x03, 0xdef8}, {0x05, 0xdef8}, {0x01, 0x0def8}}, 0x2, 0x0},
+		{0x00,(0x0a<<3)|0x0, {{0x03, 0xdef8}, {0x05, 0xdef8}, {0x01, 0xdef8}, {0x02, 0x0def8}}, 0x3, 0x0},
+		{0x00,(0x0b<<3)|0x0, {{0x05, 0xdef8}, {0x01, 0xdef8}, {0x02, 0xdef8}, {0x03, 0x0def8}}, 0x4, 0x0},
+		{0x00,(0x0c<<3)|0x0, {{0x01, 0xdef8}, {0x02, 0xdef8}, {0x03, 0xdef8}, {0x05, 0x0def8}}, 0x5, 0x0},
+		{0x00,(0x11<<3)|0x0, {{0x00, 0xdef8}, {0x00, 0xdef8}, {0x03, 0xdef8}, {0x05, 0x0def8}}, 0x0, 0x0},
+		{0x00,(0x0f<<3)|0x0, {{0x01, 0xdef8}, {0x02, 0xdef8}, {0x03, 0xdef8}, {0x05, 0x0def8}}, 0x0, 0x0},
+		{0x00,(0x01<<3)|0x0, {{0x01, 0xdef8}, {0x02, 0xdef8}, {0x03, 0xdef8}, {0x05, 0x0def8}}, 0x0, 0x0},
+		{0x00,(0x10<<3)|0x0, {{0x01, 0xdef8}, {0x02, 0xdef8}, {0x03, 0xdef8}, {0x05, 0x0def8}}, 0x0, 0x0},
+		{0x00,(0x12<<3)|0x0, {{0x01, 0xdef8}, {0x00, 0xdef8}, {0x00, 0xdef8}, {0x00, 0x0def8}}, 0x0, 0x0},
+	}
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+	return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/via/pc2500e/mainboard.c b/src/mainboard/via/pc2500e/mainboard.c
new file mode 100644
index 0000000000..b7865dae43
--- /dev/null
+++ b/src/mainboard/via/pc2500e/mainboard.c
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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 <device/device.h>
+#include "chip.h"
+
+struct chip_operations mainboard_via_pc2500e_ops = {
+	CHIP_NAME("VIA pc2500e Mainboard")
+};