Initial support for the Intel 82830 northbridge and RCA RM4100 board.

Signed-off-by: Joseph Smith <joe@smittys.pointclark.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3129 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

8 files changed, 640 insertions, 0 deletions

diff --git a/src/mainboard/rca/rm4100/Config.lb b/src/mainboard/rca/rm4100/Config.lb
new file mode 100644
index 0000000000..ffe173095b
--- /dev/null
+++ b/src/mainboard/rca/rm4100/Config.lb
@@ -0,0 +1,145 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+##
+## 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 CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
+default PAYLOAD_SIZE = (ROM_SECTION_SIZE - ROM_IMAGE_SIZE)
+default _ROMBASE = (CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE)
+default XIP_ROM_SIZE = 65536
+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
+# object reset.o
+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"
+	depends	"$(MAINBOARD)/auto.c ./romcc"
+	action	"./romcc -E -mcpu=p3 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
+end
+makerule ./auto.inc 
+	# depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
+	depends	"$(MAINBOARD)/auto.c ./romcc"
+	action	"./romcc    -mcpu=p3 -O -I$(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/intel/i82830		# Northbridge
+  device pci_domain 0 on		# PCI domain
+    device pci 0.0 on end		# Host bridge
+    chip drivers/pci/onboard		# Onboard VGA
+      device pci 2.0 on end		# VGA (Intel 82830 CGC)
+      register "rom_address" = "0xfff00000"
+    end
+    chip southbridge/intel/i82801xx	# Southbridge
+      device pci 1d.0 on end		# USB UHCI Controller #1
+      device pci 1d.1 on end		# USB UHCI Controller #2
+      device pci 1d.2 on end		# USB UHCI Controller #3
+      device pci 1d.7 on end		# USB2 EHCI Controller
+      device pci 1e.0 on		# PCI bridge
+        device pci 08.0 on end		# Intel 82801DB PRO/100 VE Ethernet
+      end
+      device pci 1f.0 on		# ISA/LPC bridge
+        chip superio/smsc/smscsuperio	# Super I/O
+          device pnp 2e.0 off		# Floppy
+            io 0x60 = 0x3f0
+            irq 0x70 = 6
+            drq 0x74 = 2
+          end
+          device pnp 2e.3 on		# Parallel port
+            io 0x60 = 0x378
+            irq 0x70 = 7
+            drq 0x74 = 4
+          end
+          device pnp 2e.4 on		# Com1
+            io 0x60 = 0x3f8
+            irq 0x70 = 4
+          end
+          device pnp 2e.5 on		# Com2 / IR
+            io 0x60 = 0x2f8
+            irq 0x70 = 3
+          end
+          device pnp 2e.7 on		# PS/2 keyboard/mouse
+            io 0x60 = 0x60
+            io 0x62 = 0x64
+            irq 0x70 = 1		# Keyboard interrupt
+            irq 0x72 = 12		# Mouse interrupt
+          end
+          device pnp 2e.9 off end	# Game port
+          device pnp 2e.a on		# PME
+            io 0x60 = 0x800
+          end
+          device pnp 2e.b off end	# MPU-401
+        end
+      end
+      device pci 1f.1 on end		# IDE
+      device pci 1f.3 on end		# SMBus
+      device pci 1f.5 on end		# AC'97 audio
+      device pci 1f.6 on end		# AC'97 modem
+    end
+  end
+  device apic_cluster 0 on		# APIC cluster
+    chip cpu/intel/socket_PGA370	# Mobile Celeron Micro-FCBGA Socket 479
+      device apic 0 on end		# APIC
+    end
+  end
+end
+
diff --git a/src/mainboard/rca/rm4100/Options.lb b/src/mainboard/rca/rm4100/Options.lb
new file mode 100644
index 0000000000..8bc784bf98
--- /dev/null
+++ b/src/mainboard/rca/rm4100/Options.lb
@@ -0,0 +1,95 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+##
+## 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 CC
+uses CONFIG_CONSOLE_SERIAL8250
+uses CONFIG_CONSOLE_VGA
+uses CONFIG_COMPRESSED_PAYLOAD_LZMA
+uses CONFIG_IOAPIC
+uses CONFIG_PCI_ROM_RUN
+uses CONFIG_ROM_PAYLOAD
+uses CONFIG_ROM_PAYLOAD_START
+uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
+uses CONFIG_UDELAY_TSC
+uses CONFIG_VIDEO_MB
+uses CROSS_COMPILE
+uses DEFAULT_CONSOLE_LOGLEVEL
+uses FALLBACK_SIZE
+uses HAVE_ACPI_TABLES
+uses HAVE_FALLBACK_BOOT
+uses HAVE_MP_TABLE
+uses HAVE_OPTION_TABLE
+uses HAVE_PIRQ_TABLE
+uses HEAP_SIZE
+uses HOSTCC
+uses IRQ_SLOT_COUNT
+uses COREBOOT_EXTRA_VERSION
+uses MAINBOARD
+uses MAINBOARD_VENDOR
+uses MAINBOARD_PART_NUMBER
+uses MAXIMUM_CONSOLE_LOGLEVEL
+uses OBJCOPY
+uses PAYLOAD_SIZE
+uses _RAMBASE
+uses _ROMBASE
+uses ROM_IMAGE_SIZE
+uses ROM_SECTION_SIZE
+uses ROM_SECTION_OFFSET
+uses ROM_SIZE
+uses STACK_SIZE
+uses TTYS0_BASE
+uses TTYS0_BAUD
+uses TTYS0_LCS
+uses USE_FALLBACK_IMAGE
+uses USE_OPTION_TABLE
+uses XIP_ROM_SIZE
+uses XIP_ROM_BASE
+
+default ROM_SIZE = 512 * 1024
+default ROM_IMAGE_SIZE = 128 * 1024
+default HAVE_FALLBACK_BOOT = 1
+default FALLBACK_SIZE = 512 * 1024
+default CONFIG_UDELAY_TSC = 1
+default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 = 1
+default HAVE_PIRQ_TABLE = 1
+default IRQ_SLOT_COUNT = 10
+default HAVE_MP_TABLE = 0
+default HAVE_ACPI_TABLES = 0
+default CONFIG_IOAPIC = 0
+default HAVE_OPTION_TABLE = 0
+default CONFIG_CONSOLE_VGA = 0
+default CONFIG_PCI_ROM_RUN = 0
+default CONFIG_VIDEO_MB = 0
+default STACK_SIZE = 0x2000
+default HEAP_SIZE = 0x4000
+default _RAMBASE = 0x00004000
+default USE_OPTION_TABLE = 0
+default CONFIG_ROM_PAYLOAD = 1
+default CC="$(CROSS_COMPILE)gcc -m32"
+default HOSTCC="gcc"
+default CONFIG_CONSOLE_SERIAL8250 = 1
+default TTYS0_BAUD = 115200
+default TTYS0_BASE = 0x3f8
+default TTYS0_LCS = 0x3	# 8n1
+default DEFAULT_CONSOLE_LOGLEVEL = 9
+default MAXIMUM_CONSOLE_LOGLEVEL = 9
+default MAINBOARD_VENDOR = "RCA"
+default MAINBOARD_PART_NUMBER = "RM4100"
+end
diff --git a/src/mainboard/rca/rm4100/auto.c b/src/mainboard/rca/rm4100/auto.c
new file mode 100644
index 0000000000..cff36d23fb
--- /dev/null
+++ b/src/mainboard/rca/rm4100/auto.c
@@ -0,0 +1,136 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+ *
+ * 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 <stdlib.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <arch/hlt.h>
+#include "pc80/serial.c"
+#include "pc80/udelay_io.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "superio/smsc/smscsuperio/smscsuperio_early_serial.c"
+#include "northbridge/intel/i82830/raminit.h"
+#include "southbridge/intel/i82801xx/i82801xx.h"
+#include "cpu/x86/mtrr/earlymtrr.c"
+#include "cpu/x86/bist.h"
+#include "spd_table.h"
+#include "gpio.c"
+
+#define SERIAL_DEV PNP_DEV(0x2e, SMSCSUPERIO_SP1)
+
+#include "southbridge/intel/i82801xx/i82801xx_early_smbus.c"
+
+/**
+ * The onboard 128MB PC133 memory does not have a SPD EEPROM so the
+ * values have to be set manually, the SO-DIMM socket is located in
+ * socket0 (0x50), and the onboard memory is located in socket1 (0x51).
+ */
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+	int i;
+
+	if (device == 0x50) {
+		return smbus_read_byte(device, address);
+	} else if (device == 0x51) {
+		for (i = 0; i < ARRAY_SIZE(spd_table); i++) {
+			if (spd_table[i].address == address)
+				return spd_table[i].data;
+		}
+		return 0xFF; /* Return 0xFF when address is not found. */
+	} else {
+		return 0xFF; /* Return 0xFF on any failures. */
+	}
+}
+
+#include "northbridge/intel/i82830/raminit.c"
+#include "sdram/generic_sdram.c"
+
+/**
+ * We have to disable the TCO Timer system reboot feature
+ * or we get several reboots through out the boot processes.
+ */
+static void disable_tco_timer(void)
+{
+	device_t dev;
+	u8 reg8;
+
+	/* Set the LPC device statically. */
+	dev = PCI_DEV(0x0, 0x1f, 0x0);
+
+	/* Disable the TCO Timer system reboot feature. */
+	reg8 = pci_read_config8(dev, 0xd4);
+	reg8 |= (1 << 1);
+	pci_write_config8(dev, 0xd4, reg8);
+}
+
+/**
+ * The AC'97 Audio Controller I/O space registers are read only by default
+ * so we need to enable them by setting register 0x41 to 0x01.
+ */
+static void ac97_io_enable(void)
+{
+	device_t dev;
+
+	/* Set the ac97 audio device staticly. */
+	dev = PCI_DEV(0x0, 0x1f, 0x5);
+
+	/* Enable access to the IO space. */
+	pci_write_config8(dev, 0x41, 0x01);
+}
+
+static void main(unsigned long bist)
+{
+	static const struct mem_controller memctrl[] = {
+		{
+			.d0 = PCI_DEV(0, 0, 0),
+			.channel0 = {0x50, 0x51},
+		}
+	};
+
+	if (bist == 0)
+		early_mtrr_init();
+
+	enable_smbus();
+
+	smscsuperio_enable_serial(SERIAL_DEV, TTYS0_BASE);
+	mb_gpio_init();
+	uart_init();
+	console_init();
+
+	/* Halt if there was a built in self test failure. */
+	report_bist_failure(bist);
+
+	sdram_set_registers(memctrl);
+	sdram_set_spd_registers(memctrl);
+	sdram_enable(0, memctrl);
+
+	/* Check RAM. */
+	/* ram_check(0, 640 * 1024); */
+	/* ram_check(130048 * 1024, 131072 * 1024); */
+
+	disable_tco_timer();
+	ac97_io_enable();
+}
diff --git a/src/mainboard/rca/rm4100/chip.h b/src/mainboard/rca/rm4100/chip.h
new file mode 100644
index 0000000000..c53f56e0ef
--- /dev/null
+++ b/src/mainboard/rca/rm4100/chip.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+ *
+ * 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_rca_rm4100_ops;
+
+struct mainboard_rca_rm4100_config {
+	int nothing;
+};
diff --git a/src/mainboard/rca/rm4100/gpio.c b/src/mainboard/rca/rm4100/gpio.c
new file mode 100644
index 0000000000..20c934b4a9
--- /dev/null
+++ b/src/mainboard/rca/rm4100/gpio.c
@@ -0,0 +1,120 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+ *
+ * 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 PME_DEV			PNP_DEV(0x2e, 0x0a)
+#define PME_IO_BASE_ADDR	0x800      /* Runtime register base address */
+#define ICH_IO_BASE_ADDR	0x00000500 /* GPIO base address register */
+
+/* Early mainboard specific GPIO setup. */
+static void mb_gpio_init(void)
+{
+	device_t dev;
+	uint16_t port;
+	uint32_t set_gpio;
+
+	/* Southbridge GPIOs. */
+	/* Set the LPC device statically. */
+	dev = PCI_DEV(0x0, 0x1f, 0x0);
+
+	/* Set the value for GPIO base address register and enable GPIO. */
+	pci_write_config32(dev, GPIO_BASE_ICH0_5, (ICH_IO_BASE_ADDR | 1));
+	pci_write_config8(dev, GPIO_CNTL_ICH0_5, 0x10);
+
+	/* Set GPIO25 to input and drive GPIO23 to high,
+	 * this enables the LAN controller. 
+	 */
+	udelay(10);
+	set_gpio = 0x0000ffff;
+	set_gpio |= 1 << 25;
+	outl(set_gpio, ICH_IO_BASE_ADDR + 0x04);
+
+	set_gpio = 0x1b3f0000;
+	set_gpio |= 1 << 23;
+	outl(set_gpio, ICH_IO_BASE_ADDR + 0x0c);
+
+	/* Super I/O GPIOs. */
+	dev = PME_DEV;
+	port = dev >> 8;
+
+	outb(0x55, port);		/* Enter the configuration state. */
+	pnp_set_logical_device(dev);
+	pnp_set_enable(dev, 0);
+	pnp_set_iobase(dev, PNP_IDX_IO0, PME_IO_BASE_ADDR);
+	pnp_set_enable(dev, 1);
+	outl(0x03, PME_IO_BASE_ADDR + 0x1e); /* Force Disk Change */
+	outl(0x02, PME_IO_BASE_ADDR + 0x1f); /* Floppy Data Rate */
+	outl(0x81, PME_IO_BASE_ADDR + 0x20); /* UART1 FIFO */
+	outl(0x00, PME_IO_BASE_ADDR + 0x21); /* UART2 FIFO */
+	outl(0x00, PME_IO_BASE_ADDR + 0x22); /* Device Disable */
+	outl(0x01, PME_IO_BASE_ADDR + 0x23); /* GP10 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x24); /* GP11 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x25); /* GP12 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x26); /* GP13 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x27); /* GP14 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x28); /* GP15 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x29); /* GP16 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x2a); /* GP17 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x2b); /* GP20 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x2c); /* GP21 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x2d); /* GP22 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x2f); /* GP24 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x30); /* GP25 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x31); /* GP26 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x32); /* GP27 */
+	outl(0x05, PME_IO_BASE_ADDR + 0x33); /* GP30 */
+	outl(0x05, PME_IO_BASE_ADDR + 0x34); /* GP31 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x35); /* GP32 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x36); /* GP33 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x37); /* GP34 */
+	outl(0x04, PME_IO_BASE_ADDR + 0x38); /* GP35 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x39); /* GP36 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x3a); /* GP37 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x3b); /* GP40 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x3c); /* GP41 */
+	outl(0x86, PME_IO_BASE_ADDR + 0x3d); /* GP42 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x3e); /* GP43 */
+	outl(0x05, PME_IO_BASE_ADDR + 0x3f); /* GP50 */
+	outl(0x05, PME_IO_BASE_ADDR + 0x40); /* GP51 */
+	outl(0x05, PME_IO_BASE_ADDR + 0x41); /* GP52 */
+	outl(0x04, PME_IO_BASE_ADDR + 0x42); /* GP53 */
+	outl(0x05, PME_IO_BASE_ADDR + 0x43); /* GP54 */
+	outl(0x04, PME_IO_BASE_ADDR + 0x44); /* GP55 */
+	outl(0x05, PME_IO_BASE_ADDR + 0x45); /* GP56 */
+	outl(0x04, PME_IO_BASE_ADDR + 0x46); /* GP57 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x47); /* GP58 */
+	outl(0x01, PME_IO_BASE_ADDR + 0x48); /* GP59 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x4b); /* GP1 */
+	outl(0x04, PME_IO_BASE_ADDR + 0x4c); /* GP2 */
+	outl(0xc0, PME_IO_BASE_ADDR + 0x4d); /* GP3 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x4e); /* GP4 */
+	outl(0x07, PME_IO_BASE_ADDR + 0x4f); /* GP5 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x50); /* GP6 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x56); /* FAN1 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x57); /* FAN2 */
+	outl(0x50, PME_IO_BASE_ADDR + 0x58); /* Fan Control */
+	outl(0xff, PME_IO_BASE_ADDR + 0x59); /* Fan1 Tachometer */
+	outl(0xff, PME_IO_BASE_ADDR + 0x5a); /* Fan2 Tachometer */
+	outl(0x00, PME_IO_BASE_ADDR + 0x5b); /* Fan1 Preload */
+	outl(0x00, PME_IO_BASE_ADDR + 0x5c); /* Fan2 Preload */
+	outl(0x00, PME_IO_BASE_ADDR + 0x5d); /* LED1 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x5e); /* LED2 */
+	outl(0x00, PME_IO_BASE_ADDR + 0x5f); /* Keyboard Scan Code */
+	outb(0xaa, port);		/* Exit the configuration state. */
+}
diff --git a/src/mainboard/rca/rm4100/irq_tables.c b/src/mainboard/rca/rm4100/irq_tables.c
new file mode 100644
index 0000000000..84b57eb882
--- /dev/null
+++ b/src/mainboard/rca/rm4100/irq_tables.c
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+ *
+ * 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,  /* u32 signature */
+	PIRQ_VERSION,    /* u16 version   */
+	32+16*IRQ_SLOT_COUNT,	 /* there can be total 10 devices on the bus */
+	0x00,		 /* Where the interrupt router lies (bus) */
+	(0x1f<<3)|0x0,   /* Where the interrupt router lies (dev) */
+	0,		 /* IRQs devoted exclusively to PCI usage */
+	0x8086,		 /* Vendor */
+	0x24c0,		 /* Device */
+	0,		 /* Crap (miniport) */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0x14,         /*  u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
+	{
+		/* bus,     dev|fn,   {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap},  slot, rfu */
+		{0x00,(0x1d<<3)|0x0, {{0x60, 0x1ef8}, {0x61, 0x1ef8}, {0x62, 0x1ef8}, {0x63, 0x01ef8}}, 0x0, 0x0}, /* [A] USB UHCI Controller #1 */
+		{0x00,(0x1d<<3)|0x1, {{0x61, 0x1ef8}, {0x62, 0x1ef8}, {0x63, 0x1ef8}, {0x60, 0x01ef8}}, 0x0, 0x0}, /* [B] USB UHCI Controller #2 */
+		{0x00,(0x1d<<3)|0x2, {{0x62, 0x1ef8}, {0x63, 0x1ef8}, {0x60, 0x1ef8}, {0x61, 0x01ef8}}, 0x0, 0x0}, /* [C] USB UHCI Controller #3 */
+		{0x00,(0x1d<<3)|0x7, {{0x63, 0x1ef8}, {0x60, 0x1ef8}, {0x61, 0x1ef8}, {0x62, 0x01ef8}}, 0x0, 0x0}, /* [D] USB2 EHCI Controller */
+		{0x00,(0x1f<<3)|0x1, {{0x60, 0x1ef8}, {0x61, 0x1ef8}, {0x62, 0x1ef8}, {0x63, 0x01ef8}}, 0x0, 0x0}, /* [A] IDE Controller */
+		{0x00,(0x1f<<3)|0x3, {{0x61, 0x1ef8}, {0x62, 0x1ef8}, {0x63, 0x1ef8}, {0x60, 0x01ef8}}, 0x0, 0x0}, /* [B] SMBus Controller */
+		{0x00,(0x02<<3)|0x0, {{0x60, 0x1ef8}, {0x61, 0x1ef8}, {0x62, 0x1ef8}, {0x63, 0x01ef8}}, 0x0, 0x0}, /* [A] VGA compatible controller */
+		{0x00,(0x1f<<3)|0x5, {{0x61, 0x1ef8}, {0x62, 0x1ef8}, {0x63, 0x1ef8}, {0x60, 0x01ef8}}, 0x0, 0x0}, /* [B] AC'97 Audio Controller */
+		{0x01,(0x08<<3)|0x0, {{0x68, 0x1ef8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0}, /* [A] Ethernet controller */
+		{0x00,(0x1f<<3)|0x6, {{0x61, 0x1ef8}, {0x62, 0x1ef8}, {0x63, 0x1ef8}, {0x64, 0x01ef8}}, 0x0, 0x0}, /* [B] AC'97 Modem Controller */
+	}
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+	return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/rca/rm4100/mainboard.c b/src/mainboard/rca/rm4100/mainboard.c
new file mode 100644
index 0000000000..0c7863d0cf
--- /dev/null
+++ b/src/mainboard/rca/rm4100/mainboard.c
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+ *
+ * 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_rca_rm4100_ops = {
+	CHIP_NAME("RCA RM4100 Mainboard")
+};
diff --git a/src/mainboard/rca/rm4100/spd_table.h b/src/mainboard/rca/rm4100/spd_table.h
new file mode 100644
index 0000000000..dccbd469a6
--- /dev/null
+++ b/src/mainboard/rca/rm4100/spd_table.h
@@ -0,0 +1,40 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net>
+ *
+ * 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 <spd.h>
+
+struct spd_entry {
+	unsigned int address;
+	unsigned int data;
+};
+
+/*
+ * The onboard 128MB PC133 memory does not have an SPD EEPROM so the values
+ * have to be set manually, the onboard memory is located in socket1 (0x51).
+ */
+const struct spd_entry spd_table [] = {
+	{SPD_MEMORY_TYPE,                     0x04}, /* (Fundamental) memory type */
+	{SPD_NUM_COLUMNS,                     0x09}, /* Number of column address bits */
+	{SPD_NUM_DIMM_BANKS,                  0x01}, /* Number of module rows (banks) */
+	{SPD_MODULE_DATA_WIDTH_LSB,           0x40}, /* Module data width (LSB) */
+	{SPD_MIN_CYCLE_TIME_AT_CAS_MAX,       0x75}, /* SDRAM cycle time (highest CAS latency), RAS access time (tRAC) */
+	{SPD_ACCESS_TIME_FROM_CLOCK,          0x54}, /* SDRAM access time from clock (highest CAS latency), CAS access time (Tac, tCAC) */
+	{SPD_DENSITY_OF_EACH_ROW_ON_MODULE,   0x20}, /* Density of each row on module */
+};