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authorAaron Lwe <aaron.lwe@gmail.com>2008-05-19 12:17:43 +0000
committerUwe Hermann <uwe@hermann-uwe.de>2008-05-19 12:17:43 +0000
commitfcb2a311c765b9e1d519ed5fa2263d1bd5b33656 (patch)
tree795ff5420a83791bf00e6d1745ce009fe99c6707 /src/mainboard
parent710e8b1ad0e01bea150cc66085176482b677cc19 (diff)
downloadcoreboot-fcb2a311c765b9e1d519ed5fa2263d1bd5b33656.tar.xz
Add support for the VIA EPIA-CN baord, which uses C7 + CN700 + VT8237R.
This also contains various improvements of the CN700 code in svn. Signed-off-by: Aaron Lwe <aaron.lwe@gmail.com> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3334 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/via/epia-cn/Config.lb142
-rw-r--r--src/mainboard/via/epia-cn/Options.lb108
-rw-r--r--src/mainboard/via/epia-cn/auto.c131
-rw-r--r--src/mainboard/via/epia-cn/chip.h26
-rw-r--r--src/mainboard/via/epia-cn/cmos.layout74
-rw-r--r--src/mainboard/via/epia-cn/irq_tables.c54
-rw-r--r--src/mainboard/via/epia-cn/mainboard.c27
7 files changed, 562 insertions, 0 deletions
diff --git a/src/mainboard/via/epia-cn/Config.lb b/src/mainboard/via/epia-cn/Config.lb
new file mode 100644
index 0000000000..52eb18492f
--- /dev/null
+++ b/src/mainboard/via/epia-cn/Config.lb
@@ -0,0 +1,142 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 VIA Technologies, Inc.
+## (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
+##
+## 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 # IDE
+ register "fn_ctrl_lo" = "0x8a"
+ register "fn_ctrl_hi" = "0x9d"
+ device pci 10.0 on end # USB 1.1
+ device pci 10.1 on end # USB 1.1
+ device pci 10.2 on end # USB 1.1
+ device pci 10.3 on end # USB 1.1
+ device pci 11.0 on # Southbridge LPC
+ chip superio/via/vt1211 # Super I/O
+ 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
+ drq 0x74 = 3
+ 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.b on # HWM
+ io 0x60 = 0xec00
+ end
+ end
+ end
+ device pci 11.5 on end # AC'97 audio
+ # device pci 11.6 off end # AC'97 Modem
+ 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/epia-cn/Options.lb b/src/mainboard/via/epia-cn/Options.lb
new file mode 100644
index 0000000000..fee1920a6c
--- /dev/null
+++ b/src/mainboard/via/epia-cn/Options.lb
@@ -0,0 +1,108 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 VIA Technologies, Inc.
+## (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
+##
+## 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 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_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 CONFIG_CHIP_NAME
+uses CONFIG_VIDEO_MB
+uses CONFIG_IOAPIC
+
+default ROM_SIZE = 512 * 1024
+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 ROM_IMAGE_SIZE = 64 * 1024
+default FALLBACK_SIZE = ROM_SIZE
+default USE_FALLBACK_IMAGE = 1
+default STACK_SIZE = 8 * 1024
+default HEAP_SIZE = 16 * 1024
+#default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE
+default USE_OPTION_TABLE = 0
+default _RAMBASE = 0x00004000
+default CONFIG_ROM_PAYLOAD = 1
+default CROSS_COMPILE = ""
+default CC = "$(CROSS_COMPILE)gcc -m32"
+default HOSTCC = "gcc"
+
+##
+## Set this to the max PCI bus number you would ever use for PCI config I/O.
+## Setting this number very high will make pci_locate_device() take a long
+## time when it can't find a device.
+##
+default CONFIG_MAX_PCI_BUSES = 3
+
+end
+
diff --git a/src/mainboard/via/epia-cn/auto.c b/src/mainboard/via/epia-cn/auto.c
new file mode 100644
index 0000000000..592547b18a
--- /dev/null
+++ b/src/mainboard/via/epia-cn/auto.c
@@ -0,0 +1,131 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 VIA Technologies, Inc.
+ * (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
+ *
+ * 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 "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 "southbridge/via/vt8235/vt8235_early_serial.c"
+
+static void memreset_setup(void)
+{
+}
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+ return smbus_read_byte(device, address);
+}
+
+#include "northbridge/via/cn700/raminit.c"
+
+static void enable_mainboard_devices(void)
+{
+ device_t dev;
+ u8 reg;
+
+ /*
+ * If I enable SATA, FILO will not find the IDE disk, so I'll disable
+ * SATA here. To not conflict with PCI spec, I'll move IDE device
+ * from 00:0f.1 to 00:0f.0.
+ */
+ dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_VT6420_SATA), 0);
+ if (dev != PCI_DEV_INVALID) {
+ /* Enable PATA. */
+ reg = pci_read_config8(dev, 0xd1);
+ reg |= 0x08;
+ pci_write_config8(dev, 0xd1, reg);
+ reg = pci_read_config8(dev, 0x49);
+ reg |= 0x80;
+ pci_write_config8(dev, 0x49, reg);
+ } else {
+ print_debug("No SATA device\r\n");
+ }
+
+ /* Disable SATA, and PATA device will be 00:0f.0. */
+ dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
+ if (dev == PCI_DEV_INVALID)
+ die("Southbridge not found!!!\r\n");
+ reg = pci_read_config8(dev, 0x50);
+ reg |= 0x08;
+ pci_write_config8(dev, 0x50, reg);
+}
+
+static const struct mem_controller ctrl = {
+ .d0f0 = 0x0000,
+ .d0f2 = 0x2000,
+ .d0f3 = 0x3000,
+ .d0f4 = 0x4000,
+ .d0f7 = 0x7000,
+ .d1f0 = 0x8000,
+ .channel0 = { 0x50 },
+};
+
+static void main(unsigned long bist)
+{
+ unsigned long x;
+ device_t dev;
+
+ /* Enable multifunction for northbridge. */
+ pci_write_config8(ctrl.d0f0, 0x4f, 0x01);
+
+ enable_vt8235_serial();
+ uart_init();
+ console_init();
+
+ print_spew("In auto.c:main()\r\n");
+
+ enable_smbus();
+ smbus_fixup(&ctrl);
+
+ if (bist == 0) {
+ print_debug("doing early_mtrr\r\n");
+ early_mtrr_init();
+ }
+
+ /* Halt if there was a built-in self test failure. */
+ report_bist_failure(bist);
+
+ print_debug("Enabling mainboard devices\r\n");
+ enable_mainboard_devices();
+
+ ddr_ram_setup(&ctrl);
+
+ /* ram_check(0, 640 * 1024); */
+
+ print_spew("Leaving auto.c:main()\r\n");
+}
diff --git a/src/mainboard/via/epia-cn/chip.h b/src/mainboard/via/epia-cn/chip.h
new file mode 100644
index 0000000000..ff91a02b98
--- /dev/null
+++ b/src/mainboard/via/epia-cn/chip.h
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 VIA Technologies, Inc.
+ * (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
+ *
+ * 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_epia_cn_ops;
+
+struct mainboard_via_epia_cn_config {
+ int nothing;
+};
diff --git a/src/mainboard/via/epia-cn/cmos.layout b/src/mainboard/via/epia-cn/cmos.layout
new file mode 100644
index 0000000000..5ba4c032c1
--- /dev/null
+++ b/src/mainboard/via/epia-cn/cmos.layout
@@ -0,0 +1,74 @@
+entries
+
+#start-bit length config config-ID name
+#0 8 r 0 seconds
+#8 8 r 0 alarm_seconds
+#16 8 r 0 minutes
+#24 8 r 0 alarm_minutes
+#32 8 r 0 hours
+#40 8 r 0 alarm_hours
+#48 8 r 0 day_of_week
+#56 8 r 0 day_of_month
+#64 8 r 0 month
+#72 8 r 0 year
+#80 4 r 0 rate_select
+#84 3 r 0 REF_Clock
+#87 1 r 0 UIP
+#88 1 r 0 auto_switch_DST
+#89 1 r 0 24_hour_mode
+#90 1 r 0 binary_values_enable
+#91 1 r 0 square-wave_out_enable
+#92 1 r 0 update_finished_enable
+#93 1 r 0 alarm_interrupt_enable
+#94 1 r 0 periodic_interrupt_enable
+#95 1 r 0 disable_clock_updates
+#96 288 r 0 temporary_filler
+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
+2 0 Enable
+2 1 Disable
+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
+#7 3 ROM
+
+checksums
+
+checksum 392 1007 1008
+
+
diff --git a/src/mainboard/via/epia-cn/irq_tables.c b/src/mainboard/via/epia-cn/irq_tables.c
new file mode 100644
index 0000000000..fef553e219
--- /dev/null
+++ b/src/mainboard/via/epia-cn/irq_tables.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 VIA Technologies, Inc.
+ * (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
+ *
+ * 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/epia-cn/mainboard.c b/src/mainboard/via/epia-cn/mainboard.c
new file mode 100644
index 0000000000..e1eac58a62
--- /dev/null
+++ b/src/mainboard/via/epia-cn/mainboard.c
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 VIA Technologies, Inc.
+ * (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
+ *
+ * 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_epia_cn_ops = {
+ CHIP_NAME("VIA EPIA-CN Mainboard")
+};