This patch adds support for the AMD Norwich development platform

based on the Geode LX processor.  The Norwich is the canonical
Geode reference, and will server as a good basis for other
Geode based platforms.

Signed-off-by: Marc Jones <marc.jones@amd.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2629 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

11 files changed, 1064 insertions, 0 deletions

diff --git a/src/mainboard/amd/norwich/Config.lb b/src/mainboard/amd/norwich/Config.lb
new file mode 100644
index 0000000000..537d43c9b7
--- /dev/null
+++ b/src/mainboard/amd/norwich/Config.lb
@@ -0,0 +1,188 @@
+##
+## 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 CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
+default PAYLOAD_SIZE			= ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
+
+##
+## Compute where this copy of linuxBIOS will start in the boot rom
+##
+default _ROMBASE	  = ( CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE )
+
+##
+## Compute a range of ROM that can cached to speed up 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=65536
+default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )
+
+
+##
+## Set all of the defaults for an x86 architecture
+##
+
+arch i386 end
+
+##
+## Build the objects we have code for in this directory.
+##
+
+driver mainboard.o
+
+if HAVE_PIRQ_TABLE
+	object irq_tables.o
+end
+	#object reset.o
+
+
+if USE_DCACHE_RAM
+	#compile cache_as_ram.c to auto.inc
+	makerule ./cache_as_ram_auto.inc
+			depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
+			action "$(CC) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@"
+			action "perl -e 's/.rodata/.rom.data/g' -pi $@"
+			action "perl -e 's/.text/.section .rom.text/g' -pi $@"
+	end
+end
+
+
+
+##
+## Romcc output
+##
+#makerule ./failover.E
+#	depends "$(MAINBOARD)/failover.c ./romcc"
+#	action "./romcc -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	   -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 -E -mcpu=p2 -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=p2 -O -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?
+#not in serengeti_cheetah mainboardinit arch/i386/lib/cpu_reset.inc
+
+##
+## Include an id string (For safe flashing)
+##
+mainboardinit arch/i386/lib/id.inc
+ldscript /arch/i386/lib/id.lds
+
+###
+### This is the early phase of 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
+
+if USE_DCACHE_RAM
+	mainboardinit cpu/amd/model_lx/cache_as_ram.inc
+	mainboardinit ./cache_as_ram_auto.inc
+end
+
+##
+## Include the secondary Configuration files
+##
+dir /pc80
+config chip.h
+
+chip northbridge/amd/lx
+	device pci_domain 0 on
+		device pci 1.0 on end	# Northbridge
+		device pci 1.1 on end	# Graphics
+		chip southbridge/amd/cs5536
+			# IRQ 12 and 1 unmasked,  Keyboard and Mouse IRQs. OK
+			# SIRQ Mode = Active(Quiet) mode. Save power....
+			# Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
+			register "lpc_serirq_enable" = "0x00001002"
+			register "lpc_serirq_polarity" = "0x0000EFFD"
+			register "lpc_serirq_mode" = "1"
+			register "enable_gpio_int_route" = "0x0D0C0700"
+			register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
+			register "enable_USBP4_device" = "0"	#0: host, 1:device
+			register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
+			register "com1_enable" = "1"
+			register "com1_address" = "0x3F8"
+			register "com1_irq" = "4"
+			register "com2_enable" = "1"
+			register "com2_address" = "0x2F8"
+			register "com2_irq" = "3"
+			register "unwanted_vpci[0]" = "0"	# End of list has a zero
+			device pci b.0 on end	# Slot 3
+			device pci c.0 on end	# Slot 4
+			device pci d.0 on end	# Slot 1
+			device pci e.0 on end	# Slot 2
+			device pci f.0 on end	# ISA Bridge
+			device pci f.2 on end	# IDE Controller
+			device pci f.3 on end	# Audio
+			device pci f.4 on end	# OHCI
+			device pci f.5 on end	# EHCI
+		end
+	end
+	# APIC cluster is late CPU init.
+	device apic_cluster 0 on
+		chip cpu/amd/model_lx
+			device apic 0 on end
+		end
+	end
+
+end
+
diff --git a/src/mainboard/amd/norwich/Options.lb b/src/mainboard/amd/norwich/Options.lb
new file mode 100644
index 0000000000..d549c9688e
--- /dev/null
+++ b/src/mainboard/amd/norwich/Options.lb
@@ -0,0 +1,179 @@
+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 LINUXBIOS_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 CONFIG_PRECOMPRESSED_PAYLOAD
+uses PAYLOAD_SIZE
+uses _ROMBASE
+uses _RAMBASE
+uses XIP_ROM_SIZE
+uses XIP_ROM_BASE
+uses HAVE_MP_TABLE
+uses CROSS_COMPILE
+uses CC
+uses HOSTCC
+uses OBJCOPY
+uses DEFAULT_CONSOLE_LOGLEVEL
+uses MAXIMUM_CONSOLE_LOGLEVEL
+uses CONFIG_CONSOLE_SERIAL8250
+uses TTYS0_BAUD
+uses TTYS0_BASE
+uses TTYS0_LCS
+uses CONFIG_UDELAY_TSC
+uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
+uses CONFIG_CONSOLE_VGA
+uses CONFIG_PCI_ROM_RUN
+uses CONFIG_VIDEO_MB
+uses USE_DCACHE_RAM
+uses DCACHE_RAM_BASE
+uses DCACHE_RAM_SIZE
+
+## ROM_SIZE is the size of boot ROM that this board will use.
+default ROM_SIZE  = 256*1024
+
+###
+### Build options
+###
+default CONFIG_CONSOLE_VGA=0
+default CONFIG_VIDEO_MB=8
+default CONFIG_PCI_ROM_RUN=0
+
+##
+## Build code for the fallback boot
+##
+default HAVE_FALLBACK_BOOT=1
+
+##
+## no MP table
+##
+default HAVE_MP_TABLE=0
+
+##
+## Build code to reset the motherboard from linuxBIOS
+##
+default HAVE_HARD_RESET=0
+
+## Delay timer options
+##
+default CONFIG_UDELAY_TSC=1
+default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2=1
+
+##
+## Build code to export a programmable irq routing table
+##
+default HAVE_PIRQ_TABLE=1
+default IRQ_SLOT_COUNT=6
+#object irq_tables.o
+
+##
+## Build code to export a CMOS option table
+##
+default HAVE_OPTION_TABLE=0
+
+###
+### LinuxBIOS layout values
+###
+
+## ROM_IMAGE_SIZE is the amount of space to allow linuxBIOS to occupy.
+default ROM_IMAGE_SIZE = 65536
+default FALLBACK_SIZE = 131072
+
+##
+## enable CACHE_AS_RAM specifics
+##
+default USE_DCACHE_RAM=1
+default DCACHE_RAM_BASE=0xc8000
+default DCACHE_RAM_SIZE=0x08000
+
+##
+## Use a small 8K stack
+##
+default STACK_SIZE=0x2000
+
+##
+## Use a small 16K heap
+##
+default HEAP_SIZE=0x4000
+
+##
+## Only use the option table in a normal image
+##
+#default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE
+default USE_OPTION_TABLE = 0
+
+default _RAMBASE = 0x00004000
+
+default CONFIG_ROM_PAYLOAD     = 1
+
+##
+## The default compiler
+##
+default CROSS_COMPILE=""
+default CC="$(CROSS_COMPILE)gcc -m32"
+default HOSTCC="gcc"
+
+##
+## The Serial Console
+##
+
+# To Enable the Serial Console
+default CONFIG_CONSOLE_SERIAL8250=1
+
+## Select the serial console baud rate
+default TTYS0_BAUD=115200
+#default TTYS0_BAUD=57600
+#default TTYS0_BAUD=38400
+#default TTYS0_BAUD=19200
+#default TTYS0_BAUD=9600
+#default TTYS0_BAUD=4800
+#default TTYS0_BAUD=2400
+#default TTYS0_BAUD=1200
+
+# Select the serial console base port
+default TTYS0_BASE=0x3f8
+
+# Select the serial protocol
+# This defaults to 8 data bits, 1 stop bit, and no parity
+default TTYS0_LCS=0x3
+
+##
+### 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
+
+end
+
diff --git a/src/mainboard/amd/norwich/auto.c b/src/mainboard/amd/norwich/auto.c
new file mode 100644
index 0000000000..273c2ecdda
--- /dev/null
+++ b/src/mainboard/amd/norwich/auto.c
@@ -0,0 +1,92 @@
+/*
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+*/
+
+#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 <arch/hlt.h>
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "cpu/x86/bist.h"
+#include "cpu/x86/msr.h"
+#include <cpu/amd/lxdef.h>
+#include <cpu/amd/geode_post_code.h>
+#include "southbridge/amd/cs5536/cs5536.h"
+
+#define POST_CODE(x) outb(x, 0x80)
+
+#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
+#include "southbridge/amd/cs5536/cs5536_early_setup.c"
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+		return smbus_read_byte(device, address);
+}
+
+#define ManualConf 0		/* Do automatic strapped PLL config */
+#define PLLMSRhi 0x00001490 /* manual settings for the PLL */
+#define PLLMSRlo 0x02000030
+#define DIMM0 0xA0
+#define DIMM1 0xA2
+#include "northbridge/amd/lx/raminit.h"
+#include "northbridge/amd/lx/pll_reset.c"
+#include "northbridge/amd/lx/raminit.c"
+#include "sdram/generic_sdram.c"
+#include "cpu/amd/model_lx/cpureginit.c"
+#include "cpu/amd/model_lx/syspreinit.c"
+
+static void msr_init(void)
+{
+	/* Setup access to the MC for low memory. Note MC not setup yet. */
+	__builtin_wrmsr(CPU_RCONF_DEFAULT,	 0x10f3bf00, 0x24fffc02);
+
+	__builtin_wrmsr(MSR_GLIU0 + 0x20, 0xfff80, 0x20000000);
+	__builtin_wrmsr(MSR_GLIU0 + 0x21, 0x80fffe0, 0x20000000);
+
+	__builtin_wrmsr(MSR_GLIU1 + 0x20, 0xfff80, 0x20000000);
+	__builtin_wrmsr(MSR_GLIU1 + 0x21, 0x80fffe0, 0x20000000);
+}
+
+static void mb_gpio_init(void)
+{
+	/* Early mainboard specific GPIO setup */
+}
+
+static void main(unsigned long bist)
+{
+	static const struct mem_controller memctrl [] = {
+		{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
+	};
+
+	SystemPreInit();
+	msr_init();
+
+	cs5536_early_setup();
+
+	/* NOTE: must do this AFTER the early_setup!
+	 * it is counting on some early MSR setup
+	 * for cs5536
+	 */
+	/* cs5536_disable_internal_uart	 disable them for now, set them up later...*/
+	cs5536_setup_onchipuart(); /* if debug. real setup done in chipset init via config.lb */
+	mb_gpio_init();
+	uart_init();
+	console_init();
+
+	pll_reset(ManualConf);
+
+	cpuRegInit();
+
+	sdram_initialize(1, memctrl);
+
+	/* Check all of memory */
+	//ram_check(0x00000000, 640*1024);
+}
diff --git a/src/mainboard/amd/norwich/cache_as_ram_auto.c b/src/mainboard/amd/norwich/cache_as_ram_auto.c
new file mode 100644
index 0000000000..59b651fd56
--- /dev/null
+++ b/src/mainboard/amd/norwich/cache_as_ram_auto.c
@@ -0,0 +1,118 @@
+/*
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+*/
+
+#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 <arch/hlt.h>
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "cpu/x86/bist.h"
+#include "cpu/x86/msr.h"
+#include <cpu/amd/lxdef.h>
+#include <cpu/amd/geode_post_code.h>
+#include "southbridge/amd/cs5536/cs5536.h"
+
+#define POST_CODE(x) outb(x, 0x80)
+
+#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
+#include "southbridge/amd/cs5536/cs5536_early_setup.c"
+
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+		return smbus_read_byte(device, address);
+}
+
+#define ManualConf 0		/* Do automatic strapped PLL config */
+#define PLLMSRhi 0x00001490 /* manual settings for the PLL */
+#define PLLMSRlo 0x02000030
+#define DIMM0 0xA0
+#define DIMM1 0xA2
+#include "northbridge/amd/lx/raminit.h"
+#include "northbridge/amd/lx/pll_reset.c"
+#include "northbridge/amd/lx/raminit.c"
+#include "sdram/generic_sdram.c"
+#include "cpu/amd/model_lx/cpureginit.c"
+#include "cpu/amd/model_lx/syspreinit.c"
+
+static void msr_init(void)
+{
+	msr_t msr;
+	/* Setup access to the cache for under 1MB. */
+	msr.hi = 0x24fffc02;
+	msr.lo =  0x1000A000; /* 0-A0000 write back */
+	wrmsr(CPU_RCONF_DEFAULT, msr);
+
+	msr.hi = 0x0;	/* write back */
+	msr.lo =  0x0;
+	wrmsr(CPU_RCONF_A0_BF, msr);
+	wrmsr(CPU_RCONF_C0_DF, msr);
+	wrmsr(CPU_RCONF_E0_FF, msr);
+
+	/* Setup access to the cache for under 640K. Note MC not setup yet. */
+	msr.hi = 0x20000000;
+	msr.lo = 0xfff80;
+	wrmsr(MSR_GLIU0 + 0x20, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo = 0x80fffe0;
+	wrmsr(MSR_GLIU0 + 0x21, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo =  0xfff80;
+	wrmsr(MSR_GLIU1 + 0x20, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo =  0x80fffe0;
+	wrmsr(MSR_GLIU1 + 0x21, msr);
+
+}
+
+static void mb_gpio_init(void)
+{
+	/* Early mainboard specific GPIO setup */
+}
+
+void cache_as_ram_main(void)
+{
+	POST_CODE(0x01);
+
+	static const struct mem_controller memctrl [] = {
+		{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
+	};
+
+	SystemPreInit();
+	msr_init();
+
+	cs5536_early_setup();
+
+	/* NOTE: must do this AFTER the early_setup!
+	 * it is counting on some early MSR setup
+	 * for cs5536
+	 */
+	/* cs5536_disable_internal_uart	 disable them for now, set them up later...*/
+	cs5536_setup_onchipuart(); /* if debug. real setup done in chipset init via config.lb */
+	mb_gpio_init();
+	uart_init();
+	console_init();
+
+	pll_reset(ManualConf);
+
+	cpuRegInit();
+
+	sdram_initialize(1, memctrl);
+
+	/* Check all of memory */
+	/*ram_check(0x00000000, 640*1024);*/
+
+	/* Memory is setup. Return to cache_as_ram.inc and continue to boot */
+	return;
+}
diff --git a/src/mainboard/amd/norwich/chip.h b/src/mainboard/amd/norwich/chip.h
new file mode 100644
index 0000000000..715480f670
--- /dev/null
+++ b/src/mainboard/amd/norwich/chip.h
@@ -0,0 +1,12 @@
+/*
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+
+*/
+
+extern struct chip_operations mainboard_amd_norwich_ops;
+
+struct mainboard_amd_norwich_config {
+	int nothing;
+};
diff --git a/src/mainboard/amd/norwich/cmos.layout b/src/mainboard/amd/norwich/cmos.layout
new file mode 100644
index 0000000000..7b3fe21b49
--- /dev/null
+++ b/src/mainboard/amd/norwich/cmos.layout
@@ -0,0 +1,75 @@
+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
+440	     1	     e	     0	      dcon_present
+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/amd/norwich/debug.c b/src/mainboard/amd/norwich/debug.c
new file mode 100644
index 0000000000..0a4f52d0d4
--- /dev/null
+++ b/src/mainboard/amd/norwich/debug.c
@@ -0,0 +1,65 @@
+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_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);
+	}
+}
diff --git a/src/mainboard/amd/norwich/failover.c b/src/mainboard/amd/norwich/failover.c
new file mode 100644
index 0000000000..4a15ba6f6a
--- /dev/null
+++ b/src/mainboard/amd/norwich/failover.c
@@ -0,0 +1,34 @@
+#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 "pc80/mc146818rtc_early.c"
+
+static unsigned long main(unsigned long bist)
+{
+#if 0
+	/* This is the primary cpu how should I boot? */
+	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:
+#endif
+	return bist;
+}
diff --git a/src/mainboard/amd/norwich/irq_tables.c b/src/mainboard/amd/norwich/irq_tables.c
new file mode 100644
index 0000000000..8a1476c322
--- /dev/null
+++ b/src/mainboard/amd/norwich/irq_tables.c
@@ -0,0 +1,103 @@
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA	 02110-1301 USA
+*/
+
+#include <arch/pirq_routing.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include <arch/pirq_routing.h>
+#include "../../../southbridge/amd/cs5536/cs5536.h"
+
+/* Platform IRQs */
+#define PIRQA 11
+#define PIRQB 5
+#define PIRQC 10
+#define PIRQD 10
+
+/* Map */
+#define M_PIRQA (1 << PIRQA)  /* Bitmap of supported IRQs */
+#define M_PIRQB (1 << PIRQB)  /* Bitmap of supported IRQs */
+#define M_PIRQC (1 << PIRQC)  /* Bitmap of supported IRQs */
+#define M_PIRQD (1 << PIRQD)  /* Bitmap of supported IRQs */
+
+/* Link */
+#define L_PIRQA	 1 /* Means Slot INTx# Connects To Chipset INTA# */
+#define L_PIRQB	 2 /* Means Slot INTx# Connects To Chipset INTB# */
+#define L_PIRQC	 3 /* Means Slot INTx# Connects To Chipset INTC# */
+#define L_PIRQD	 4 /* Means Slot INTx# Connects To Chipset INTD# */
+
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE, /* u32 signature */
+	PIRQ_VERSION,	/* u16 version	 */
+	32+16*IRQ_SLOT_COUNT,		/* there can be total 6 devices on the bus */
+	0x00,			/* Where the interrupt router lies (bus) */
+	(0x0F<<3)|0x0,	/* Where the interrupt router lies (dev) */
+	0x00,			/* IRQs devoted exclusively to PCI usage */
+	0x100B,			/* Vendor */
+	0x002B,			/* Device */
+	0,				/* Crap (miniport) */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0x00,			/*	u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
+	{
+		/* If you change the number of entries, change the IRQ_SLOT_COUNT above! */
+		/* bus,		dev|fn,		 {link, bitmap},	 {link, bitmap},	 {link, bitmap},	 {link, bitmap},  slot, rfu */
+		{0x00,(0x01<<3)|0x0, {{L_PIRQA, M_PIRQA},	 {0x00, 0x00},		 {0x00, 0x00},		 {0x00, 0x00}},	   0x0, 0x0},	 /* cpu */
+		{0x00,(0x0F<<3)|0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0},	 /* chipset */
+		{0x00,(0x0D<<3)|0x0, {{L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}}, 0x1, 0x0},	 /* slot1 */
+		{0x00,(0x0E<<3)|0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x2, 0x0},	 /* slot2 */
+		{0x00,(0x0B<<3)|0x0, {{L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}}, 0x3, 0x0},	 /* slot3 */
+		{0x00,(0x0C<<3)|0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x4, 0x0},	 /* slot4 */
+	}
+};
+
+
+unsigned long write_pirq_routing_table(unsigned long addr){
+	int i, j, k, num_entries;
+	unsigned char pirq[4];
+	uint16_t chipset_irq_map;
+	uint32_t pciAddr, pirtable_end;
+	struct irq_routing_table *pirq_tbl;
+
+	pirtable_end = copy_pirq_routing_table(addr);
+
+	/* Set up chipset IRQ steering */
+	pciAddr = 0x80000000 | (CHIPSET_DEV_NUM << 11) | 0x5C;
+	chipset_irq_map = (PIRQD << 12 | PIRQC << 8 | PIRQB << 4 | PIRQA);
+	printk_debug("%s(%08X, %04X)\n", __FUNCTION__, pciAddr, chipset_irq_map);
+	outl(pciAddr & ~3, 0xCF8);
+	outl(chipset_irq_map, 0xCFC);
+
+	pirq_tbl = (struct irq_routing_table *)(addr);
+	num_entries = (pirq_tbl->size - 32)/16;
+
+	/* Set PCI IRQs */
+	for (i=0; i < num_entries; i++){
+		printk_debug("PIR Entry %d Dev/Fn: %X Slot: %d\n", i, pirq_tbl->slots[i].devfn, pirq_tbl->slots[i].slot);
+		for (j = 0; j < 4; j++){
+		printk_debug("INT: %c bitmap: %x ", 'A'+j, pirq_tbl->slots[i].irq[j].bitmap);
+			for (k = 0; (!((pirq_tbl->slots[i].irq[j].bitmap >> k) & 1)) && (pirq_tbl->slots[i].irq[j].bitmap != 0); k++); /* finds lsb in bitmap to IRQ# */
+			pirq[j] = k;
+			printk_debug("PIRQ: %d\n", k);
+		}
+		pci_assign_irqs(pirq_tbl->slots[i].bus,
+				pirq_tbl->slots[i].devfn >> 3, pirq);	/* bus, device, slots IRQs for {A,B,C,D} */
+	}
+
+	/* put the PIR table in memory and checksum */
+	return pirtable_end;
+}
diff --git a/src/mainboard/amd/norwich/mainboard.c b/src/mainboard/amd/norwich/mainboard.c
new file mode 100644
index 0000000000..51660e694b
--- /dev/null
+++ b/src/mainboard/amd/norwich/mainboard.c
@@ -0,0 +1,169 @@
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* 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 <console/console.h>
+#include <device/device.h>
+#include <arch/io.h>
+#include <cpu/x86/msr.h>
+#include <cpu/amd/lxdef.h>
+#include <device/pci_def.h>
+#include "../../../southbridge/amd/cs5536/cs5536.h"
+#include "chip.h"
+
+/* Print the platform configuration - do before PCI init or it will not work right */
+void print_conf(void) {
+#if DEFAULT_CONSOLE_LOGLEVEL >= BIOS_ERR
+	int i;
+	unsigned long iol;
+	msr_t msr;
+
+	int cpu_msr_defs[] =  { CPU_BC_L2_CONF, CPU_IM_CONFIG,
+							CPU_DM_CONFIG0,	 CPU_RCONF_DEFAULT,
+							CPU_RCONF_BYPASS, CPU_RCONF_A0_BF, CPU_RCONF_C0_DF, CPU_RCONF_E0_FF,
+							CPU_RCONF_SMM, CPU_RCONF_DMM, GLCP_DELAY_CONTROLS, GL_END
+							};
+
+	int gliu0_msr_defs[] = {MSR_GLIU0_BASE1, MSR_GLIU0_BASE2,  MSR_GLIU0_BASE4, MSR_GLIU0_BASE5, MSR_GLIU0_BASE6,
+							 GLIU0_P2D_BMO_0, GLIU0_P2D_BMO_1, MSR_GLIU0_SYSMEM,
+							 GLIU0_P2D_RO_0, GLIU0_P2D_RO_1, GLIU0_P2D_RO_2, MSR_GLIU0_SHADOW,
+							 GLIU0_IOD_BM_0, GLIU0_IOD_BM_1, GLIU0_IOD_BM_2,
+							 GLIU0_IOD_SC_0, GLIU0_IOD_SC_1, GLIU0_IOD_SC_2, GLIU0_IOD_SC_3, GLIU0_IOD_SC_4, GLIU0_IOD_SC_5,
+							 GLIU0_GLD_MSR_COH, GL_END
+							};
+
+	int gliu1_msr_defs[] = {MSR_GLIU1_BASE1, MSR_GLIU1_BASE2, MSR_GLIU1_BASE3, MSR_GLIU1_BASE4, MSR_GLIU1_BASE5, MSR_GLIU1_BASE6,
+							 MSR_GLIU1_BASE7, MSR_GLIU1_BASE8, MSR_GLIU1_BASE9, MSR_GLIU1_BASE10,
+							 GLIU1_P2D_R_0, GLIU1_P2D_R_1, GLIU1_P2D_R_2, GLIU1_P2D_R_3, MSR_GLIU1_SHADOW,
+							 GLIU1_IOD_BM_0, GLIU1_IOD_BM_1, GLIU1_IOD_BM_2,
+							 GLIU1_IOD_SC_0, GLIU1_IOD_SC_1, GLIU1_IOD_SC_2, GLIU1_IOD_SC_3,
+							 GLIU1_GLD_MSR_COH, GL_END
+							};
+
+	int rconf_msr[] = { CPU_RCONF0, CPU_RCONF1, CPU_RCONF2, CPU_RCONF3, CPU_RCONF4,
+						CPU_RCONF5, CPU_RCONF6, CPU_RCONF7, GL_END
+							};
+
+	int cs5536_msr[] = { MDD_LBAR_GPIO, MDD_LBAR_FLSH0, MDD_LBAR_FLSH1, MDD_LEG_IO, MDD_PIN_OPT,
+						 MDD_IRQM_ZLOW, MDD_IRQM_ZHIGH, MDD_IRQM_PRIM, GL_END
+							};
+
+	int pci_msr[] = { GLPCI_CTRL, GLPCI_ARB, GLPCI_REN, GLPCI_A0_BF, GLPCI_C0_DF, GLPCI_E0_FF,
+					  GLPCI_RC0, GLPCI_RC1, GLPCI_RC2, GLPCI_RC3, GLPCI_ExtMSR, GLPCI_SPARE,
+						 GL_END
+							};
+
+	int dma_msr[] =	 { MDD_DMA_MAP, MDD_DMA_SHAD1, MDD_DMA_SHAD2, MDD_DMA_SHAD3, MDD_DMA_SHAD4,
+							MDD_DMA_SHAD5, MDD_DMA_SHAD6, MDD_DMA_SHAD7, MDD_DMA_SHAD8,
+							MDD_DMA_SHAD9, GL_END
+							};
+
+
+	printk_debug("---------- CPU ------------\n");
+
+	for(i = 0; cpu_msr_defs[i] != GL_END; i++) {
+		msr = rdmsr(cpu_msr_defs[i]);
+		printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", cpu_msr_defs[i], msr.hi, msr.lo);
+	}
+
+	printk_debug("---------- GLIU 0 ------------\n");
+
+	for(i = 0; gliu0_msr_defs[i] != GL_END; i++) {
+		msr = rdmsr(gliu0_msr_defs[i]);
+		printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", gliu0_msr_defs[i], msr.hi, msr.lo);
+	}
+
+	printk_debug("---------- GLIU 1 ------------\n");
+
+	for(i = 0; gliu1_msr_defs[i] != GL_END; i++) {
+		msr = rdmsr(gliu1_msr_defs[i]);
+		printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", gliu1_msr_defs[i], msr.hi, msr.lo);
+	}
+
+	printk_debug("---------- RCONF ------------\n");
+
+	for(i = 0; rconf_msr[i] != GL_END; i++) {
+		msr = rdmsr(rconf_msr[i]);
+		printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", rconf_msr[i], msr.hi, msr.lo);
+	}
+
+	printk_debug("---------- VARIA ------------\n");
+	msr = rdmsr(0x51300010);
+	printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", 0x51300010, msr.hi, msr.lo);
+
+	msr = rdmsr(0x51400015);
+	printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", 0x51400015, msr.hi, msr.lo);
+
+	printk_debug("---------- DIVIL IRQ ------------\n");
+	msr = rdmsr(MDD_IRQM_YLOW);
+	printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_YLOW, msr.hi, msr.lo);
+	msr = rdmsr(MDD_IRQM_YHIGH);
+	printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_YHIGH, msr.hi, msr.lo);
+	msr = rdmsr(MDD_IRQM_ZLOW);
+	printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_ZLOW, msr.hi, msr.lo);
+	msr = rdmsr(MDD_IRQM_ZHIGH);
+	printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", MDD_IRQM_ZHIGH, msr.hi, msr.lo);
+
+
+	printk_debug("---------- PCI ------------\n");
+
+	for(i = 0; pci_msr[i] != GL_END; i++) {
+		msr = rdmsr(pci_msr[i]);
+		printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", pci_msr[i], msr.hi, msr.lo);
+	}
+
+	printk_debug("---------- LPC/UART DMA ------------\n");
+
+	for(i = 0; dma_msr[i] != GL_END; i++) {
+		msr = rdmsr(dma_msr[i]);
+		printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", dma_msr[i], msr.hi, msr.lo);
+	}
+
+	printk_debug("---------- CS5536 ------------\n");
+
+	for(i = 0; cs5536_msr[i] != GL_END; i++) {
+		msr = rdmsr(cs5536_msr[i]);
+		printk_debug("MSR 0x%08X is now 0x%08X:0x%08X\n", cs5536_msr[i], msr.hi, msr.lo);
+	}
+
+	iol = inl(GPIO_IO_BASE + GPIOL_INPUT_ENABLE);
+	printk_debug("IOR 0x%08X is now 0x%08X\n", GPIO_IO_BASE + GPIOL_INPUT_ENABLE, iol);
+	iol = inl(GPIOL_EVENTS_ENABLE);
+	printk_debug("IOR 0x%08X is now 0x%08X\n", GPIO_IO_BASE + GPIOL_EVENTS_ENABLE, iol);
+	iol = inl(GPIOL_INPUT_INVERT_ENABLE);
+	printk_debug("IOR 0x%08X is now 0x%08X\n", GPIO_IO_BASE + GPIOL_INPUT_INVERT_ENABLE, iol);
+	iol = inl(GPIO_MAPPER_X);
+	printk_debug("IOR 0x%08X is now 0x%08X\n", GPIO_IO_BASE + GPIO_MAPPER_X, iol);
+#endif //DEFAULT_CONSOLE_LOGLEVEL >= BIOS_ERR
+}
+
+static void init(struct device *dev) {
+	printk_debug("Norwich ENTER %s\n", __FUNCTION__);
+	printk_debug("Norwich EXIT %s\n", __FUNCTION__);
+}
+
+static void enable_dev(struct device *dev)
+{
+		dev->ops->init = init;
+}
+
+struct chip_operations mainboard_amd_norwich_ops = {
+	CHIP_NAME("AMD Norwich Mainboard")
+		.enable_dev = enable_dev,
+
+};
diff --git a/targets/amd/norwich/Config.lb b/targets/amd/norwich/Config.lb
new file mode 100644
index 0000000000..97f3a6fead
--- /dev/null
+++ b/targets/amd/norwich/Config.lb
@@ -0,0 +1,29 @@
+# Config file for the AMD Geode LX/5536 Norwich Platform
+
+target norwich
+mainboard amd/norwich
+
+#HACK to get the right tsc support
+option CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2=1
+
+# leave 36k for vsa
+option CONFIG_COMPRESSED_PAYLOAD_NRV2B=0
+option CONFIG_COMPRESSED_PAYLOAD_LZMA=0
+
+option ROM_SIZE=512*1024-36*1024
+#option ROM_SIZE=256*1024-36*1024
+option FALLBACK_SIZE=ROM_SIZE
+
+option DEFAULT_CONSOLE_LOGLEVEL = 11
+option MAXIMUM_CONSOLE_LOGLEVEL = 11
+#option DEFAULT_CONSOLE_LOGLEVEL = 4
+#option MAXIMUM_CONSOLE_LOGLEVEL = 4
+
+romimage "fallback"
+	option USE_FALLBACK_IMAGE=1
+	option ROM_IMAGE_SIZE=64*1024
+	option LINUXBIOS_EXTRA_VERSION=".0Fallback"
+	payload ../payload.elf
+end
+
+buildrom ./norwich.rom ROM_SIZE  "fallback"