eric patch

        1. x86_setup_mtrr take address bit.
        2. generic ht, pcix, pcie beidge...
        3. scan bus and reset_bus
        4. ht read ctrl to decide if the ht chain
           is ready
        5. Intel e7520 and e7525 support
        6. new ich5r support
        7. intel sb 6300 support.

yhlu patch
	1. split x86_setup_mtrrs to fixed and var
	2. if (resource->flags & IORESOURCE_FIXED ) return; in device.c pick_largest_resource
	3. in_conherent.c K8_SCAN_PCI_BUS


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1982 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

14 files changed, 3057 insertions, 0 deletions

diff --git a/src/mainboard/supermicro/x6dhr_ig2/Config.lb b/src/mainboard/supermicro/x6dhr_ig2/Config.lb
new file mode 100644
index 0000000000..dff583ce2c
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/Config.lb
@@ -0,0 +1,209 @@
+##
+## Only use the option table in a normal image
+##
+default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE
+
+##
+## Compute the location and size of where this firmware image
+## (linuxBIOS 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 linuxBIOS bootloader.
+##
+default PAYLOAD_SIZE            = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
+default CONFIG_ROM_STREAM_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
+
+##
+## Compute where this copy of linuxBIOS will start in the boot rom
+##
+default _ROMBASE      = ( CONFIG_ROM_STREAM_START + PAYLOAD_SIZE )
+
+##
+## Compute a range of ROM that can cached to speed up linuxBIOS,
+## 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=131072
+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_MP_TABLE object mptable.o end
+if HAVE_PIRQ_TABLE object irq_tables.o end
+object reset.o
+
+##
+## Romcc output
+##
+makerule ./failover.E
+	depends "$(MAINBOARD)/failover.c ./romcc" 
+	action "./romcc -fno-simplify-phi -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
+end
+
+makerule ./failover.inc
+	depends "$(MAINBOARD)/failover.c ./romcc"
+	action "./romcc -fno-simplify-phi -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
+end
+
+makerule ./auto.E 
+	depends	"$(MAINBOARD)/auto.c option_table.h ./romcc" 
+	action	"./romcc -fno-simplify-phi -E -mcpu=p4 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
+end
+makerule ./auto.inc 
+	depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
+	action	"./romcc -fno-simplify-phi -mcpu=p4 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
+end
+
+##
+## Build our 16 bit and 32 bit linuxBIOS 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 linuxBIOS 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?
+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 linuxBIOS 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/x86/mmx/enable_mmx.inc
+mainboardinit cpu/x86/sse/enable_sse.inc
+mainboardinit ./auto.inc
+mainboardinit cpu/x86/sse/disable_sse.inc
+mainboardinit cpu/x86/mmx/disable_mmx.inc
+
+##
+## Include the secondary Configuration files 
+##
+dir /pc80
+config chip.h
+
+chip northbridge/intel/E7520 # mch
+	device pci_domain 0 on 
+		chip southbridge/intel/ich5r # ich5r
+			# USB ports
+			device pci 1d.0 on end
+			device pci 1d.1 on end
+			device pci 1d.2 on end 
+			device pci 1d.3 on end
+			device pci 1d.7 on end
+		
+			# -> Bridge
+			device pci 1e.0 on end
+		
+			# -> ISA
+			device pci 1f.0 on 
+				chip superio/winbond/w83627hf
+					device pnp 2e.0 off end
+					device pnp 2e.2 on 
+						 io 0x60 = 0x3f8
+						irq 0x70 = 4
+					end
+					device pnp 2e.3 on
+						 io 0x60 = 0x2f8
+						irq 0x70 = 3
+					end
+					device pnp 2e.4 off end
+					device pnp 2e.5 off end
+					device pnp 2e.6 off end
+					device pnp 2e.7 off end
+					device pnp 2e.9 off end
+					device pnp 2e.a on  end
+					device pnp 2e.b off end
+				end
+			end
+			# -> IDE
+			device pci 1f.1 on end
+			# -> SATA 
+			device pci 1f.2 on end
+			device pci 1f.3 on end
+
+			register "pirq_a_d" = "0x0b070a05"
+			register "pirq_e_h" = "0x0a808080"
+		end
+		device pci 00.0 on end 
+		device pci 00.1 on end
+		device pci 01.0 on end 
+		device pci 02.0 on 
+			chip southbridge/intel/pxhd # pxhd1
+				# Bus bridges and ioapics usually bus 1
+				device pci 0.0 on 
+				# On board gig e1000
+					chip drivers/generic/generic 
+        		        	        device pci 03.0 on end
+        		        	        device pci 03.1 on end
+        		        	end
+				end
+				device pci 0.1 on end
+				device pci 0.2 on end
+				device pci 0.3 on end
+			end
+		end
+		device pci 04.0 on end
+		device pci 06.0 on end
+	end
+	device apic_cluster 0 on
+		chip cpu/intel/socket_mPGA604_800Mhz # cpu 0
+			device apic 0 on end
+		end
+		chip cpu/intel/socket_mPGA604_800Mhz # cpu 1
+			device apic 6 on end
+		end
+	end
+	register "intrline" = "0x00070105"
+end
+
diff --git a/src/mainboard/supermicro/x6dhr_ig2/Options.lb b/src/mainboard/supermicro/x6dhr_ig2/Options.lb
new file mode 100644
index 0000000000..8461cdb7d1
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/Options.lb
@@ -0,0 +1,228 @@
+uses HAVE_MP_TABLE
+uses HAVE_PIRQ_TABLE
+uses USE_FALLBACK_IMAGE
+uses HAVE_FALLBACK_BOOT
+uses HAVE_HARD_RESET
+uses IRQ_SLOT_COUNT
+uses HAVE_OPTION_TABLE
+uses CONFIG_LOGICAL_CPUS
+uses CONFIG_MAX_CPUS
+uses CONFIG_IOAPIC
+uses CONFIG_SMP
+uses FALLBACK_SIZE
+uses ROM_SIZE
+uses ROM_SECTION_SIZE
+uses ROM_IMAGE_SIZE
+uses ROM_SECTION_SIZE
+uses ROM_SECTION_OFFSET
+uses CONFIG_ROM_STREAM
+uses CONFIG_ROM_STREAM_START
+uses PAYLOAD_SIZE
+uses _ROMBASE
+uses XIP_ROM_SIZE
+uses XIP_ROM_BASE
+uses STACK_SIZE
+uses HEAP_SIZE
+uses USE_OPTION_TABLE
+uses LB_CKS_RANGE_START
+uses LB_CKS_RANGE_END
+uses LB_CKS_LOC
+uses MAINBOARD
+uses MAINBOARD_PART_NUMBER
+uses MAINBOARD_VENDOR
+uses MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
+uses MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID
+uses LINUXBIOS_EXTRA_VERSION
+uses CONFIG_UDELAY_TSC
+uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
+uses _RAMBASE
+uses CONFIG_GDB_STUB
+uses CONFIG_CONSOLE_SERIAL8250
+uses TTYS0_BAUD
+uses TTYS0_BASE
+uses TTYS0_LCS
+uses DEFAULT_CONSOLE_LOGLEVEL
+uses MAXIMUM_CONSOLE_LOGLEVEL
+uses MAINBOARD_POWER_ON_AFTER_POWER_FAIL
+uses CONFIG_CONSOLE_BTEXT
+uses CC
+uses HOSTCC
+uses CROSS_COMPILE
+uses OBJCOPY
+
+
+###
+### Build options
+###
+
+##
+## ROM_SIZE is the size of boot ROM that this board will use.
+##
+default ROM_SIZE=1048576
+
+##
+## Build code for the fallback boot
+##
+default HAVE_FALLBACK_BOOT=1
+
+##
+## Delay timer options
+## Use timer2
+## 
+default CONFIG_UDELAY_TSC=1
+default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2=1
+
+##
+## Build code to reset the motherboard from linuxBIOS
+##
+default HAVE_HARD_RESET=1
+
+##
+## Build code to export a programmable irq routing table
+##
+default HAVE_PIRQ_TABLE=1
+default IRQ_SLOT_COUNT=16
+
+##
+## Build code to export an x86 MP table
+## Useful for specifying IRQ routing values
+##
+default HAVE_MP_TABLE=1
+
+##
+## Build code to export a CMOS option table
+##
+default HAVE_OPTION_TABLE=1
+
+##
+## Move the default LinuxBIOS cmos range off of AMD RTC registers
+##
+default LB_CKS_RANGE_START=49
+default LB_CKS_RANGE_END=122
+default LB_CKS_LOC=123
+
+##
+## Build code for SMP support
+## Only worry about 2 micro processors
+##
+default CONFIG_SMP=1
+default CONFIG_MAX_CPUS=4
+default CONFIG_LOGICAL_CPUS=0
+
+##
+## Build code to setup a generic IOAPIC
+##
+default CONFIG_IOAPIC=1
+
+##
+## Clean up the motherboard id strings
+##
+default MAINBOARD_PART_NUMBER="X6DHR"
+default MAINBOARD_VENDOR=     "Supermicro"
+default MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID=0x15D9
+default MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID=0x5580
+
+###
+### LinuxBIOS layout values
+###
+
+## ROM_IMAGE_SIZE is the amount of space to allow linuxBIOS to occupy.
+default ROM_IMAGE_SIZE = 65536
+
+##
+## Use a small 8K stack
+##
+default STACK_SIZE=0x2000
+
+##
+## Use a small 32K heap
+##
+default HEAP_SIZE=0x8000
+
+
+###
+### Compute the location and size of where this firmware image
+### (linuxBIOS plus bootloader) will live in the boot rom chip.
+###
+default FALLBACK_SIZE=131072
+
+##
+## LinuxBIOS C code runs at this location in RAM
+##
+default _RAMBASE=0x00004000
+
+##
+## Load the payload from the ROM
+##
+default CONFIG_ROM_STREAM=1
+
+
+###
+### Defaults of options that you may want to override in the target config file
+### 
+
+##
+## The default compiler
+##
+default CC="$(CROSS_COMPILE)gcc -m32"
+default HOSTCC="gcc"
+
+##
+## Disable the gdb stub by default
+##
+default CONFIG_GDB_STUB=0
+
+##
+## 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
+
+##
+### Select the linuxBIOS 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
+
+##
+## Select power on after power fail setting
+default MAINBOARD_POWER_ON_AFTER_POWER_FAIL="MAINBOARD_POWER_ON"
+
+##
+## Don't enable the btext console
+##
+default  CONFIG_CONSOLE_BTEXT=0
+
+
+### End Options.lb
+end
diff --git a/src/mainboard/supermicro/x6dhr_ig2/auto.c b/src/mainboard/supermicro/x6dhr_ig2/auto.c
new file mode 100644
index 0000000000..cd7c18111f
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/auto.c
@@ -0,0 +1,169 @@
+#define ASSEMBLY 1
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <cpu/x86/lapic.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 "southbridge/intel/ich5r/ich5r_early_smbus.c"
+#include "northbridge/intel/E7520/raminit.h"
+#include "superio/winbond/w83627hf/w83627hf.h"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "cpu/x86/mtrr/earlymtrr.c"
+#include "debug.c"
+#include "watchdog.c"
+#include "reset.c"
+#include "x6dhr2_fixups.c"
+#include "superio/winbond/w83627hf/w83627hf_early_init.c"
+#include "northbridge/intel/E7520/memory_initialized.c"
+#include "cpu/x86/bist.h"
+
+
+#define SIO_GPIO_BASE 0x680
+#define SIO_XBUS_BASE 0x4880
+
+#define CONSOLE_SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
+#define HIDDEN_SERIAL_DEV  PNP_DEV(0x2e, W83627HF_SP2)
+
+#define DEVPRES_CONFIG  ( \
+	DEVPRES_D0F0 | \
+	DEVPRES_D1F0 | \
+	DEVPRES_D2F0 | \
+	DEVPRES_D3F0 | \
+	DEVPRES_D4F0 | \
+	DEVPRES_D6F0 | \
+	0 )
+#define DEVPRES1_CONFIG (DEVPRES1_D0F1 | DEVPRES1_D8F0)
+
+#define RECVENA_CONFIG  0x0808090a
+#define RECVENB_CONFIG  0x0808090a
+
+//void udelay(int usecs)
+//{
+//        int i;
+//        for(i = 0; i < usecs; i++)
+//                outb(i&0xff, 0x80);
+//}
+
+#if 0
+static void hard_reset(void)
+{
+	/* enable cf9 */
+	pci_write_config8(PCI_DEV(0, 0x04, 3), 0x41, 0xf1);
+	/* reset */
+	outb(0x0e, 0x0cf9);
+}
+#endif
+
+static inline void activate_spd_rom(const struct mem_controller *ctrl)
+{
+	/* nothing to do */
+}
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+	return smbus_read_byte(device, address);
+}
+
+#include "northbridge/intel/E7520/raminit.c"
+#include "sdram/generic_sdram.c"
+
+
+static void main(unsigned long bist)
+{
+	/*
+	 * 
+	 * 
+	 */
+	static const struct mem_controller mch[] = {
+		{
+			.node_id = 0,
+			.f0 = PCI_DEV(0, 0x00, 0),
+			.f1 = PCI_DEV(0, 0x00, 1),
+			.f2 = PCI_DEV(0, 0x00, 2),
+			.f3 = PCI_DEV(0, 0x00, 3),
+			.channel0 = {(0xa<<3)|3, (0xa<<3)|2, (0xa<<3)|1, (0xa<<3)|0, },
+			.channel1 = {(0xa<<3)|7, (0xa<<3)|6, (0xa<<3)|5, (0xa<<3)|4, },
+		}
+	};
+
+	if (bist == 0) {
+		/* Skip this if there was a built in self test failure */
+		early_mtrr_init();
+		if (memory_initialized()) {
+			asm volatile ("jmp __cpu_reset");
+		}
+	}
+	/* Setup the console */
+	outb(0x87,0x2e);
+	outb(0x87,0x2e);
+	pnp_write_config(CONSOLE_SERIAL_DEV, 0x24, 0x84 | (1 << 6));
+	w83627hf_enable_dev(CONSOLE_SERIAL_DEV, TTYS0_BASE);
+	uart_init();
+	console_init();
+
+	/* Halt if there was a built in self test failure */
+//	report_bist_failure(bist);
+
+	/* MOVE ME TO A BETTER LOCATION !!! */
+	/* config LPC decode for flash memory access */
+        device_t dev;
+        dev = pci_locate_device(PCI_ID(0x8086, 0x24d0), 0);
+        if (dev == PCI_DEV_INVALID) {
+                die("Missing ich5?");
+        }
+        pci_write_config32(dev, 0xe8, 0x00000000);
+        pci_write_config8(dev, 0xf0, 0x00);
+
+#if 0
+	display_cpuid_update_microcode();
+#endif
+#if 0
+	print_pci_devices();
+#endif
+#if 1
+	enable_smbus();
+#endif
+#if 0
+//	dump_spd_registers(&cpu[0]);
+	int i;
+	for(i = 0; i < 1; i++) {
+		dump_spd_registers();
+	}
+#endif
+	disable_watchdogs();
+//	dump_ipmi_registers();
+	mainboard_set_e7520_leds();	
+//	memreset_setup();
+	sdram_initialize(sizeof(mch)/sizeof(mch[0]), mch);
+#if 0
+	dump_pci_devices();
+#endif
+#if 0
+	dump_pci_device(PCI_DEV(0, 0x00, 0));
+	dump_bar14(PCI_DEV(0, 0x00, 0));
+#endif
+
+#if 0 // temporarily disabled 
+	/* Check the first 1M */
+//	ram_check(0x00000000, 0x000100000);
+//	ram_check(0x00000000, 0x000a0000);
+//	ram_check(0x00100000, 0x01000000);
+	ram_check(0x00100000, 0x00100100);
+	/* check the first 1M in the 3rd Gig */
+//	ram_check(0x30100000, 0x31000000);
+#endif
+#if 0
+	ram_check(0x00000000, 0x02000000);
+#endif
+	
+#if 0	
+	while(1) {
+		hlt();
+	}
+#endif
+}
diff --git a/src/mainboard/supermicro/x6dhr_ig2/chip.h b/src/mainboard/supermicro/x6dhr_ig2/chip.h
new file mode 100644
index 0000000000..016f20a3fd
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/chip.h
@@ -0,0 +1,5 @@
+struct chip_operations mainboard_supermicro_x6dhr_ig2_ops;
+
+struct mainboard_supermicro_x6dhr_ig2_config {
+	int nothing;
+};
diff --git a/src/mainboard/supermicro/x6dhr_ig2/cmos.layout b/src/mainboard/supermicro/x6dhr_ig2/cmos.layout
new file mode 100644
index 0000000000..6f3cd189e3
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/cmos.layout
@@ -0,0 +1,80 @@
+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
+395          1       e       2        hyper_threading
+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
+728        256       h       0        user_data
+984         16       h       0        check_sum
+# Reserve the extended AMD configuration registers
+1000        24       r       0        reserved_memory
+
+
+
+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 392 983 984
+
+
diff --git a/src/mainboard/supermicro/x6dhr_ig2/debug.c b/src/mainboard/supermicro/x6dhr_ig2/debug.c
new file mode 100644
index 0000000000..5546421156
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/debug.c
@@ -0,0 +1,330 @@
+#define SMBUS_MEM_DEVICE_START 0x50
+#define SMBUS_MEM_DEVICE_END 0x57
+#define SMBUS_MEM_DEVICE_INC 1
+
+static void print_reg(unsigned char index)
+{
+        unsigned char data;
+                                                                                
+        outb(index, 0x2e);
+        data = inb(0x2f);
+	print_debug("0x");
+	print_debug_hex8(index);
+	print_debug(": 0x");
+	print_debug_hex8(data);
+	print_debug("\r\n");
+        return;
+}
+        
+static void xbus_en(void)
+{
+        /* select the XBUS function in the SIO */
+        outb(0x07, 0x2e);
+        outb(0x0f, 0x2f);
+        outb(0x30, 0x2e);
+        outb(0x01, 0x2f);
+	return;
+}
+                                                                        
+static void setup_func(unsigned char func)
+{
+        /* select the function in the SIO */
+        outb(0x07, 0x2e);
+        outb(func, 0x2f);
+        /* print out the regs */
+        print_reg(0x30);
+        print_reg(0x60);
+        print_reg(0x61);
+        print_reg(0x62);
+        print_reg(0x63);
+        print_reg(0x70);
+        print_reg(0x71);
+        print_reg(0x74);
+        print_reg(0x75);
+        return;
+}
+                                                                                
+static void siodump(void)
+{
+        int i;
+        unsigned char data;
+       
+	 print_debug("\r\n*** SERVER I/O REGISTERS ***\r\n");
+        for (i=0x10; i<=0x2d; i++) {
+                print_reg((unsigned char)i);
+        }
+#if 0                                                                         
+        print_debug("\r\n*** XBUS REGISTERS ***\r\n");
+        setup_func(0x0f);
+        for (i=0xf0; i<=0xff; i++) {
+                print_reg((unsigned char)i);
+        }
+                                                                                
+        print_debug("\r\n***  SERIAL 1 CONFIG REGISTERS ***\r\n");
+        setup_func(0x03);
+        print_reg(0xf0);
+                                                                                
+        print_debug("\r\n***  SERIAL 2 CONFIG REGISTERS ***\r\n");
+        setup_func(0x02);
+        print_reg(0xf0);
+
+#endif
+        print_debug("\r\n***  GPIO REGISTERS ***\r\n");
+        setup_func(0x07);
+        for (i=0xf0; i<=0xf8; i++) {
+                print_reg((unsigned char)i);
+        }
+        print_debug("\r\n***  GPIO VALUES ***\r\n");
+        data = inb(0x68a);
+	print_debug("\r\nGPDO 4: 0x");
+	print_debug_hex8(data);
+        data = inb(0x68b);
+	print_debug("\r\nGPDI 4: 0x");
+	print_debug_hex8(data);
+	print_debug("\r\n");
+	
+#if 0                                                                                
+                                                                                
+        print_debug("\r\n***  WATCHDOG TIMER REGISTERS ***\r\n");
+        setup_func(0x0a);
+        print_reg(0xf0);
+                                                                                
+        print_debug("\r\n***  FAN CONTROL REGISTERS ***\r\n");
+        setup_func(0x09);
+        print_reg(0xf0);
+        print_reg(0xf1);
+
+        print_debug("\r\n***  RTC REGISTERS ***\r\n");
+        setup_func(0x10);
+        print_reg(0xf0);
+        print_reg(0xf1);
+        print_reg(0xf3);
+        print_reg(0xf6);
+        print_reg(0xf7);
+        print_reg(0xfe);
+        print_reg(0xff);
+                                                                                
+        print_debug("\r\n***  HEALTH MONITORING & CONTROL REGISTERS ***\r\n");
+        setup_func(0x14);
+        print_reg(0xf0);
+#endif                                                                           
+        return;
+}
+
+static void print_debug_pci_dev(unsigned dev)
+{
+	print_debug("PCI: ");
+	print_debug_hex8((dev >> 16) & 0xff);
+	print_debug_char(':');
+	print_debug_hex8((dev >> 11) & 0x1f);
+	print_debug_char('.');
+	print_debug_hex8((dev >> 8) & 7);
+}
+
+static void print_pci_devices(void)
+{
+	device_t dev;
+	for(dev = PCI_DEV(0, 0, 0); 
+		dev <= PCI_DEV(0, 0x1f, 0x7); 
+		dev += PCI_DEV(0,0,1)) {
+		uint32_t id;
+		id = pci_read_config32(dev, PCI_VENDOR_ID);
+		if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0x0000)) {
+			continue;
+		}
+		print_debug_pci_dev(dev);
+		print_debug("\r\n");
+	}
+}
+
+static void dump_pci_device(unsigned dev)
+{
+	int i;
+	print_debug_pci_dev(dev);
+	print_debug("\r\n");
+	
+	for(i = 0; i <= 255; i++) {
+		unsigned char val;
+		if ((i & 0x0f) == 0) {
+			print_debug_hex8(i);
+			print_debug_char(':');
+		}
+		val = pci_read_config8(dev, i);
+		print_debug_char(' ');
+		print_debug_hex8(val);
+		if ((i & 0x0f) == 0x0f) {
+			print_debug("\r\n");
+		}
+	}
+}
+
+static void dump_bar14(unsigned dev)
+{
+	int i;
+	unsigned long bar;
+	
+	print_debug("BAR 14 Dump\r\n");
+	
+	bar = pci_read_config32(dev, 0x14);
+	for(i = 0; i <= 0x300; i+=4) {
+#if 0		
+		unsigned char val;
+		if ((i & 0x0f) == 0) {
+			print_debug_hex8(i);
+			print_debug_char(':');
+		}
+		val = pci_read_config8(dev, i);
+#endif		
+		if((i%4)==0) {
+		print_debug("\r\n");
+		print_debug_hex16(i);
+		print_debug_char(' ');
+		}
+		print_debug_hex32(read32(bar + i));
+		print_debug_char(' ');
+	}
+	print_debug("\r\n");
+}
+
+static void dump_pci_devices(void)
+{
+	device_t dev;
+	for(dev = PCI_DEV(0, 0, 0); 
+		dev <= PCI_DEV(0, 0x1f, 0x7); 
+		dev += PCI_DEV(0,0,1)) {
+		uint32_t id;
+		id = pci_read_config32(dev, PCI_VENDOR_ID);
+		if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0x0000)) {
+			continue;
+		}
+		dump_pci_device(dev);
+	}
+}
+
+#if 0
+static void dump_spd_registers(const struct mem_controller *ctrl)
+{
+	int i;
+	print_debug("\r\n");
+	for(i = 0; i < 4; i++) {
+		unsigned device;
+		device = ctrl->channel0[i];
+		if (device) {
+			int j;
+			print_debug("dimm: "); 
+			print_debug_hex8(i); 
+			print_debug(".0: ");
+			print_debug_hex8(device);
+			for(j = 0; j < 256; j++) {
+				int status;
+				unsigned char byte;
+				if ((j & 0xf) == 0) {
+					print_debug("\r\n");
+					print_debug_hex8(j);
+					print_debug(": ");
+				}
+				status = smbus_read_byte(device, j);
+				if (status < 0) {
+					print_debug("bad device\r\n");
+					break;
+				}
+				byte = status & 0xff;
+				print_debug_hex8(byte);
+				print_debug_char(' ');
+			}
+			print_debug("\r\n");
+		}
+		device = ctrl->channel1[i];
+		if (device) {
+			int j;
+			print_debug("dimm: "); 
+			print_debug_hex8(i); 
+			print_debug(".1: ");
+			print_debug_hex8(device);
+			for(j = 0; j < 256; j++) {
+				int status;
+				unsigned char byte;
+				if ((j & 0xf) == 0) {
+					print_debug("\r\n");
+					print_debug_hex8(j);
+					print_debug(": ");
+				}
+				status = smbus_read_byte(device, j);
+				if (status < 0) {
+					print_debug("bad device\r\n");
+					break;
+				}
+				byte = status & 0xff;
+				print_debug_hex8(byte);
+				print_debug_char(' ');
+			}
+			print_debug("\r\n");
+		}
+	}
+}
+#endif
+
+void dump_spd_registers(void)
+{
+        unsigned device;
+        device = SMBUS_MEM_DEVICE_START;
+        while(device <= SMBUS_MEM_DEVICE_END) {
+                int status = 0;
+                int i;
+        	print_debug("\r\n");
+                print_debug("dimm ");
+		print_debug_hex8(device);
+		
+                for(i = 0; (i < 256) ; i++) {
+	                unsigned char byte;
+                        if ((i % 16) == 0) {
+				print_debug("\r\n");
+				print_debug_hex8(i);
+				print_debug(": ");
+                        }
+			status = smbus_read_byte(device, i);
+                        if (status < 0) {
+			         print_debug("bad device: ");
+				 print_debug_hex8(-status);
+				 print_debug("\r\n");
+			         break; 
+			}
+			print_debug_hex8(status);
+			print_debug_char(' ');
+		}
+		device += SMBUS_MEM_DEVICE_INC;
+		print_debug("\n");
+	}
+}
+
+void dump_ipmi_registers(void)
+{
+        unsigned device;
+        device = 0x42;
+        while(device <= 0x42) {
+                int status = 0;
+                int i;
+        	print_debug("\r\n");
+                print_debug("ipmi ");
+		print_debug_hex8(device);
+		
+                for(i = 0; (i < 8) ; i++) {
+	                unsigned char byte;
+			status = smbus_read_byte(device, 2);
+                        if (status < 0) {
+			         print_debug("bad device: ");
+				 print_debug_hex8(-status);
+				 print_debug("\r\n");
+			         break; 
+			}
+			print_debug_hex8(status);
+			print_debug_char(' ');
+		}
+		device += SMBUS_MEM_DEVICE_INC;
+		print_debug("\n");
+	}
+}	
diff --git a/src/mainboard/supermicro/x6dhr_ig2/failover.c b/src/mainboard/supermicro/x6dhr_ig2/failover.c
new file mode 100644
index 0000000000..5029d98611
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/failover.c
@@ -0,0 +1,46 @@
+#define ASSEMBLY 1
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <cpu/x86/lapic.h>
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "pc80/mc146818rtc_early.c"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/intel/E7520/memory_initialized.c"
+
+static unsigned long main(unsigned long bist)
+{
+	/* Did just the cpu reset? */
+	if (memory_initialized()) {
+	 	if (last_boot_normal()) {
+			goto normal_image;
+		} else {
+			goto cpu_reset;
+		}
+	}
+
+	/* This is the primary cpu how should I boot? */
+	else if (do_normal_boot()) {
+		goto normal_image;
+	}
+	else {
+		goto fallback_image;
+	}
+ normal_image:
+	asm volatile ("jmp __normal_image" 
+		: /* outputs */ 
+		: "a" (bist) /* inputs */
+		: /* clobbers */
+		);
+ cpu_reset:
+	asm volatile ("jmp __cpu_reset"
+		: /* outputs */ 
+		: "a"(bist) /* inputs */
+		: /* clobbers */
+		);
+ fallback_image:
+	return bist;
+}
diff --git a/src/mainboard/supermicro/x6dhr_ig2/irq_tables.c b/src/mainboard/supermicro/x6dhr_ig2/irq_tables.c
new file mode 100644
index 0000000000..5ed51feaa1
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/irq_tables.c
@@ -0,0 +1,34 @@
+/* PCI: Interrupt Routing Table found at 0x4010f000 size = 176 */
+
+#include <arch/pirq_routing.h>
+
+const struct irq_routing_table intel_irq_routing_table = {
+	0x52495024, /* u32 signature */
+	0x0100,     /* u16 version   */
+	272,        /* u16 Table size 32+(15*devices)  */
+	0x00,       /* u8 Bus 0 */
+	0xf8,       /* u8 Device 1, Function 0 */
+	0x0000,     /* u16 reserve IRQ for PCI */
+	0x8086,     /* u16 Vendor */
+	0x24d0,     /* Device ID */
+	0x00000000, /* u32 miniport_data */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0xc4,   /*  u8 checksum - mod 256 checksum must give zero */
+	{  /* bus, devfn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu  */
+	    {0x00, (0x01<<3)|0, {{0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x02<<3)|0, {{0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x03<<3)|0, {{0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x04<<3)|0, {{0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x06<<3)|0, {{0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x1d<<3)|0, {{0x60, 0xdcf8}, {0x63, 0xdcf8}, {0x62, 0xdc78}, {0x6b, 0xdcf8}}, 0x00,  0x00},
+	    {0x00, (0x1d<<3)|1, {{0x63, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x1d<<3)|2, {{0x62, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x1d<<3)|3, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x1f<<3)|0, {{0x62, 0xdc78}, {0x61, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x00, (0x1f<<3)|1, {{0x62, 0xdc78}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x04, (0x02<<3)|0, {{0x62, 0xdc78}, {0x63, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x04, (0x02<<3)|1, {{0x62, 0xdc78}, {0x63, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x00,  0x00},
+	    {0x06, (0x02<<3)|0, {{0x60, 0xdc78}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x06,  0x00},
+	    {0x07, (0x02<<3)|0, {{0x60, 0xdc78}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x0000}}, 0x07,  0x00}
+	}
+};
diff --git a/src/mainboard/supermicro/x6dhr_ig2/mainboard.c b/src/mainboard/supermicro/x6dhr_ig2/mainboard.c
new file mode 100644
index 0000000000..c1891a222b
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/mainboard.c
@@ -0,0 +1,12 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <cpu/x86/msr.h>
+#include "chip.h"
+
+struct chip_operations mainboard_supermicro_x6dhr_ig2_ops = {
+	CHIP_NAME("Supermicro x6dhr-ig2")
+};
+
diff --git a/src/mainboard/supermicro/x6dhr_ig2/microcode_updates.c b/src/mainboard/supermicro/x6dhr_ig2/microcode_updates.c
new file mode 100644
index 0000000000..b2e72ab616
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/microcode_updates.c
@@ -0,0 +1,1563 @@
+/* WARNING - Intel has a new data structure that has variable length

+ * microcode update lengths.  They are encoded in int 8 and 9.  A

+ * dummy header of nulls must terminate the list.

+ */

+                                                                                

+static const unsigned int microcode_updates[] __attribute__ ((aligned(16))) = {

+        /*

+           Copyright  Intel Corporation, 1995, 96, 97, 98, 99, 2000.

+           These microcode updates are distributed for the sole purpose of

+           installation in the BIOS or Operating System of computer systems

+           which include an Intel P6 family microprocessor sold or distributed

+           to or by you.  You are authorized to copy and install this material

+           on such systems.  You are not authorized to use this material for

+           any other purpose.

+        */

+                                                                                

+        /*  M1DF3413.TXT - Noconoa D-0  */

+                                                                                

+        0x00000001, /* Header Version   */

+        0x00000013, /* Patch ID         */

+        0x07302004, /* DATE             */

+        0x00000f34, /* CPUID            */

+        0x95f183f0, /* Checksum         */

+        0x00000001, /* Loader Version   */

+        0x0000001d, /* Platform ID      */

+        0x000017d0, /* Data size        */

+        0x00001800, /* Total size       */

+        0x00000000, /* reserved         */

+        0x00000000, /* reserved         */

+        0x00000000, /* reserved         */

+ 

+	0x9fbf327a,

+	0x2b41b451,

+	0xb2abaca8,

+	0x6b62b8e0,

+	0x0af32c41,

+	0x12ca6048,

+	0x5bd55ae6,

+	0xb90dfc1d,

+	0x565fe2b2,

+	0x326b1718,

+	0x61f3a40d,

+	0xceb53db3,

+	0x14fb5261,

+	0xbb23b6c3,

+	0x9d7c0466,

+	0xde90a25e,

+	0x9450e9bb,

+	0x497bd6e4,

+	0x97d1041a,

+	0x1831013f,

+	0x6e6fa37e,

+	0x0b5c1d03,

+	0x5eae4db2,

+	0xc029d9e3,

+	0x5373bca3,

+	0xe15fccca,

+	0x39043db0,

+	0xaeb0ea0c,

+	0x62b4e391,

+	0x0b280c6b,

+	0x279eb9d3,

+	0x98d95ada,

+	0xc1cb45a7,

+	0x06917bda,

+	0xdde8aafa,

+	0xdff9d15c,

+	0xd07f8f0a,

+	0x192bcf9d,

+	0xf77de31f,

+	0xadf8be55,

+	0x3f7a5d95,

+	0x0e2140b6,

+	0xf0c75eec,

+	0x3254876a,

+	0x684a1698,

+	0x4ad0cca7,

+	0x6d705304,

+	0xf957d91b,

+	0xe8bb864a,

+	0x440d636c,

+	0xaf4d7d06,

+	0x12680ecf,

+	0x5d0f9e53,

+	0x60148a5d,

+	0x81008364,

+	0x243a8aed,

+	0xd55976de,

+	0xd6a84520,

+	0x932d4b77,

+	0xe67e5f19,

+	0x7dba0e47,

+	0xfee3b153,

+	0x46b6a20c,

+	0x2594e6f6,

+	0x210cab0f,

+	0xf6e47d5d,

+	0xe38276e4,

+	0x90fc2728,

+	0x9faefa11,

+	0xc972217c,

+	0xc8d079dd,

+	0x5f7dc338,

+	0x106f7b7b,

+	0xd04c0a1c,

+	0x0eca300e,

+	0x1ddae8a6,

+	0x6e7fd42e,

+	0xa56c514d,

+	0x56a4e255,

+	0x975ea2bf,

+	0x0eaa78cc,

+	0x0c3e284f,

+	0xbacb6c71,

+	0x1645006f,

+	0xe9a2b955,

+	0x0677c019,

+	0x24b33da0,

+	0x62f200fa,

+	0x234238c4,

+	0x81d5ad79,

+	0x9f754bc9,

+	0xeffd5016,

+	0x041b2cc2,

+	0x2f020bc7,

+	0x4fcd68b8,

+	0x22c3579c,

+	0x4804a114,

+	0xc42db3ea,

+	0x7cde8141,

+	0x47e167c8,

+	0x01aa38cc,

+	0x74a5c25e,

+	0xe0c48d67,

+	0x562365ad,

+	0x38321e57,

+	0x0395885a,

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+	0xcf638d2d,

+	0x6b679f92,

+	0x2b64911d,

+	0xe6d1312f,

+	0x88b3e76a,

+	0x56311f62,

+	0x00916de7,

+	0x39d0bc61,

+	0x8ac09356,

+	0x47abcfce,

+	0x324cb73e,

+	0xfadcd0a8,

+	0x2f2fbca8,

+	0x945eda22,

+	0xba23cab1,

+	0xf9fb4212,

+	0x1fa71d45,

+	0x867a034e,

+	0x3bee5db1,

+	0xf54adced,

+	0x6633ba77,

+	0xe1eb4f1e,

+	0x97ef01f6,

+	0x57fd3b32,

+	0x5234d80d,

+	0xe8ee95f3,

+	0x5dc990bf,

+	0xaba833e1,

+/*  Dummy terminator  */

+        0x0, 0x0, 0x0, 0x0,

+        0x0, 0x0, 0x0, 0x0,

+        0x0, 0x0, 0x0, 0x0,

+        0x0, 0x0, 0x0, 0x0,

+};

+                                                                                

+

diff --git a/src/mainboard/supermicro/x6dhr_ig2/mptable.c b/src/mainboard/supermicro/x6dhr_ig2/mptable.c
new file mode 100644
index 0000000000..61ece13f5a
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/mptable.c
@@ -0,0 +1,219 @@
+#include <console/console.h>
+#include <arch/smp/mpspec.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
+
+void *smp_write_config_table(void *v)
+{
+	static const char sig[4] = "PCMP";
+	static const char oem[8] = "LNXI    ";
+	static const char productid[12] = "X6DHR-iG    ";
+	struct mp_config_table *mc;
+	unsigned char bus_num;
+	unsigned char bus_isa;
+	unsigned char bus_pxhd_1;
+	unsigned char bus_pxhd_2;
+	unsigned char bus_pxhd_3;
+	unsigned char bus_pxhd_4;
+	unsigned char bus_ich5r_1;
+
+	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
+	memset(mc, 0, sizeof(*mc));
+
+	memcpy(mc->mpc_signature, sig, sizeof(sig));
+	mc->mpc_length = sizeof(*mc); /* initially just the header */
+	mc->mpc_spec = 0x04;
+	mc->mpc_checksum = 0; /* not yet computed */
+	memcpy(mc->mpc_oem, oem, sizeof(oem));
+	memcpy(mc->mpc_productid, productid, sizeof(productid));
+	mc->mpc_oemptr = 0;
+	mc->mpc_oemsize = 0;
+	mc->mpc_entry_count = 0; /* No entries yet... */
+	mc->mpc_lapic = LAPIC_ADDR;
+	mc->mpe_length = 0;
+	mc->mpe_checksum = 0;
+	mc->reserved = 0;
+
+	smp_write_processors(mc);
+	
+	{
+		device_t dev;
+
+		/* ich5r */
+		dev = dev_find_slot(0, PCI_DEVFN(0x1e,0));
+		if (dev) {
+			bus_ich5r_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+			bus_isa	   = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+			bus_isa++;
+		}
+		else {
+			printk_debug("ERROR - could not find PCI 0:1e.0, using defaults\n");
+
+			bus_ich5r_1 = 7;
+			bus_isa = 8;
+		}
+		/* pxhd-1 */
+		dev = dev_find_slot(1, PCI_DEVFN(0x0,0));
+		if (dev) {
+			bus_pxhd_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+		}
+		else {
+			printk_debug("ERROR - could not find PCI 1:00.0, using defaults\n");
+
+			bus_pxhd_1 = 2;
+		}
+		/* pxhd-2 */
+		dev = dev_find_slot(1, PCI_DEVFN(0x00,2));
+		if (dev) {
+			bus_pxhd_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+		}
+		else {
+			printk_debug("ERROR - could not find PCI 1:00.2, using defaults\n");
+
+			bus_pxhd_2 = 3;
+		}
+
+		/* pxhd-3 */
+		dev = dev_find_slot(0, PCI_DEVFN(0x4,0));
+		if (dev) {
+			bus_pxhd_3 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+		}
+		else {
+			printk_debug("ERROR - could not find PCI 0:04.0, using defaults\n");
+
+			bus_pxhd_3 = 5;
+		}
+		/* pxhd-4 */
+		dev = dev_find_slot(0, PCI_DEVFN(0x06,0));
+		if (dev) {
+			bus_pxhd_4 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+
+		}
+		else {
+			printk_debug("ERROR - could not find PCI 0:06.0, using defaults\n");
+
+			bus_pxhd_4 = 6;
+		}
+	
+	}
+	
+	/* define bus and isa numbers */
+	for(bus_num = 0; bus_num < bus_isa; bus_num++) {
+		smp_write_bus(mc, bus_num, "PCI	  ");
+	}
+	smp_write_bus(mc, bus_isa, "ISA	  ");
+
+	/* IOAPIC handling */
+
+	smp_write_ioapic(mc, 2, 0x20, 0xfec00000);
+	{
+		struct resource *res;
+		device_t dev;
+		/* pxhd apic 3 */
+		dev = dev_find_slot(1, PCI_DEVFN(0x00,1));
+		if (dev) {
+			res = find_resource(dev, PCI_BASE_ADDRESS_0);
+			if (res) {
+				smp_write_ioapic(mc, 0x03, 0x20, res->base);
+			}
+		}
+		else {
+			printk_debug("ERROR - could not find IOAPIC PCI 1:00.1\n");
+		}
+		/* pxhd apic 4 */
+		dev = dev_find_slot(1, PCI_DEVFN(0x00,3));
+		if (dev) {
+			res = find_resource(dev, PCI_BASE_ADDRESS_0);
+			if (res) {
+				smp_write_ioapic(mc, 0x04, 0x20, res->base);
+			}
+		}
+		else {
+			printk_debug("ERROR - could not find IOAPIC PCI 1:00.3\n");
+		}
+	}	
+	/* ISA backward compatibility interrupts  */
+	smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x00, 0x02, 0x00);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x01, 0x02, 0x01);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x00, 0x02, 0x02);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x03, 0x02, 0x03);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x04, 0x02, 0x04);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		0x00, 0x74, 0x02, 0x10);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x06, 0x02, 0x06);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		0x00, 0x76, 0x02, 0x12);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x08, 0x02, 0x08);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x09, 0x02, 0x09);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		0x00, 0x77, 0x02, 0x17);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		0x00, 0x75, 0x02, 0x13);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x0c, 0x02, 0x0c);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x0d, 0x02, 0x0d);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x0e, 0x02, 0x0e);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x0f, 0x02, 0x0f);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		0x00, 0x74, 0x02, 0x10);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		0x00, 0x7c, 0x02, 0x12);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		0x00, 0x7d, 0x02, 0x11);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		bus_pxhd_1, 0x08, 0x03, 0x00);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		bus_pxhd_1, 0x0c, 0x03, 0x06);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		bus_pxhd_1, 0x0d, 0x03, 0x07);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		bus_pxhd_2, 0x08, 0x04, 0x00);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		bus_ich5r_1, 0x04, 0x02, 0x10);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		bus_pxhd_4, 0x00, 0x02, 0x10);
+#if 0
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
+		(bus_isa - 1), 0x04, 0x02, 0x10);
+#endif
+	/* Standard local interrupt assignments */
+#if 0
+	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x00, MP_APIC_ALL, 0x00);
+#endif
+	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
+		bus_isa, 0x00, MP_APIC_ALL, 0x01);
+
+	/* There is no extension information... */
+
+	/* Compute the checksums */
+	mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
+
+	mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
+	printk_debug("Wrote the mp table end at: %p - %p\n",
+		mc, smp_next_mpe_entry(mc));
+	return smp_next_mpe_entry(mc);
+}
+
+unsigned long write_smp_table(unsigned long addr)
+{
+	void *v;
+	v = smp_write_floating_table(addr);
+	return (unsigned long)smp_write_config_table(v);
+}
+
diff --git a/src/mainboard/supermicro/x6dhr_ig2/reset.c b/src/mainboard/supermicro/x6dhr_ig2/reset.c
new file mode 100644
index 0000000000..874bfc4848
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/reset.c
@@ -0,0 +1,40 @@
+#include <arch/io.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#ifndef __ROMCC__
+#include <device/device.h>
+#define PCI_ID(VENDOR_ID, DEVICE_ID) \
+	((((DEVICE_ID) & 0xFFFF) << 16) | ((VENDOR_ID) & 0xFFFF))
+#define PCI_DEV_INVALID 0
+
+static inline device_t pci_locate_device(unsigned pci_id, device_t from)
+{
+	return dev_find_device(pci_id >> 16, pci_id & 0xffff, from);
+}
+#endif
+
+void soft_reset(void)
+{
+        outb(0x04, 0xcf9);
+}
+void hard_reset(void)
+{
+        outb(0x02, 0xcf9);
+        outb(0x06, 0xcf9);
+}
+void full_reset(void)
+{
+	device_t dev;
+	/* Enable power on after power fail... */
+	dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801ER_ISA), 0);
+	if (dev != PCI_DEV_INVALID) {
+		unsigned byte;
+		byte = pci_read_config8(dev, 0xa4);
+		byte &= 0xfe;
+		pci_write_config8(dev, 0xa4, byte);
+		
+	}
+        outb(0x0e, 0xcf9);
+}
+
+
diff --git a/src/mainboard/supermicro/x6dhr_ig2/watchdog.c b/src/mainboard/supermicro/x6dhr_ig2/watchdog.c
new file mode 100644
index 0000000000..e9012a49f3
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/watchdog.c
@@ -0,0 +1,99 @@
+#include <device/pnp_def.h>
+
+#define NSC_WD_DEV PNP_DEV(0x2e, 0xa)
+#define NSC_WDBASE 0x600
+#define ICH5_WDBASE 0x400
+#define ICH5_GPIOBASE 0x500
+
+static void disable_sio_watchdog(device_t dev)
+{
+#if 0
+	/* FIXME move me somewhere more appropriate */
+	pnp_set_logical_device(dev);
+	pnp_set_enable(dev, 1);
+	pnp_set_iobase(dev, PNP_IDX_IO0, NSC_WDBASE);
+	/* disable the sio watchdog */
+	outb(0, NSC_WDBASE + 0);
+	pnp_set_enable(dev, 0);
+#endif
+}
+
+static void disable_ich5_watchdog(void)
+{
+	/* FIXME move me somewhere more appropriate */
+	device_t dev;
+	unsigned long value, base;
+	dev = pci_locate_device(PCI_ID(0x8086, 0x24d0), 0);
+	if (dev == PCI_DEV_INVALID) {
+		die("Missing ich5?");
+	}
+	/* Enable I/O space */
+	value = pci_read_config16(dev, 0x04);
+	value |= (1 << 10);
+	pci_write_config16(dev, 0x04, value);
+	
+	/* Set and enable acpibase */
+	pci_write_config32(dev, 0x40, ICH5_WDBASE | 1);
+	pci_write_config8(dev, 0x44, 0x10);
+	base = ICH5_WDBASE + 0x60;
+	
+	/* Set bit 11 in TCO1_CNT */
+	value = inw(base + 0x08);
+	value |= 1 << 11;
+	outw(value, base + 0x08);
+	
+	/* Clear TCO timeout status */
+	outw(0x0008, base + 0x04);
+	outw(0x0002, base + 0x06);
+}
+
+static void disable_jarell_frb3(void)
+{
+#if 0
+	device_t dev;
+	unsigned long value, base;
+	dev = pci_locate_device(PCI_ID(0x8086, 0x24d0), 0);
+	if (dev == PCI_DEV_INVALID) {
+		die("Missing ich5?");
+	}
+	/* Enable I/O space */
+	value = pci_read_config16(dev, 0x04);
+	value |= (1 << 0);
+	pci_write_config16(dev, 0x04, value);
+
+	/* Set gpio base */
+	pci_write_config32(dev, 0x58, ICH5_GPIOBASE | 1);
+	base = ICH5_GPIOBASE;
+
+	/* Enable GPIO Bar */
+	value = pci_read_config32(dev, 0x5c);
+	value |= 0x10;
+	pci_write_config32(dev, 0x5c, value);
+
+	/* Configure GPIO 48 and 40 as GPIO */
+	value = inl(base + 0x30);
+	value |= (1 << 16) | ( 1 << 8);
+	outl(value, base + 0x30);
+
+	/* Configure GPIO 48 as Output */
+	value = inl(base + 0x34);
+	value &= ~(1 << 16);
+	outl(value, base + 0x34);
+
+	/* Toggle GPIO 48 high to low */
+	value = inl(base + 0x38);
+	value |= (1 << 16);
+	outl(value, base + 0x38);
+	value &= ~(1 << 16);
+	outl(value, base + 0x38);
+#endif				  
+}
+
+static void disable_watchdogs(void)
+{
+//	disable_sio_watchdog(NSC_WD_DEV);
+	disable_ich5_watchdog();
+//	disable_jarell_frb3();
+	print_debug("Watchdogs disabled\r\n");
+}
+
diff --git a/src/mainboard/supermicro/x6dhr_ig2/x6dhr2_fixups.c b/src/mainboard/supermicro/x6dhr_ig2/x6dhr2_fixups.c
new file mode 100644
index 0000000000..82c070b0c1
--- /dev/null
+++ b/src/mainboard/supermicro/x6dhr_ig2/x6dhr2_fixups.c
@@ -0,0 +1,23 @@
+#include <arch/romcc_io.h>
+
+static void mch_reset(void)
+{
+        return;
+}
+
+
+
+static void mainboard_set_e7520_pll(unsigned bits)
+{
+	return; 
+}
+
+
+static void mainboard_set_e7520_leds(void)
+{
+	return; 
+}
+
+
+
+