[LinuxBIOS] r2629 - in trunk/LinuxBIOSv2: src/mainboard/amd src/mainboard/amd/norwich targets/amd targets/amd/norwich
svn at openbios.org
svn at openbios.org
Fri May 4 20:47:52 CEST 2007
Author: stepan
Date: 2007-05-04 20:47:52 +0200 (Fri, 04 May 2007)
New Revision: 2629
Added:
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Config.lb
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Options.lb
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/auto.c
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cache_as_ram_auto.c
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/chip.h
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cmos.layout
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/debug.c
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/failover.c
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/irq_tables.c
trunk/LinuxBIOSv2/src/mainboard/amd/norwich/mainboard.c
trunk/LinuxBIOSv2/targets/amd/norwich/
trunk/LinuxBIOSv2/targets/amd/norwich/Config.lb
Log:
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 at amd.com>
Acked-by: Stefan Reinauer <stepan at coresystems.de>
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Config.lb
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Config.lb (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Config.lb 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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
+
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Options.lb
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Options.lb (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/Options.lb 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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
+
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/auto.c
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/auto.c (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/auto.c 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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);
+}
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cache_as_ram_auto.c
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cache_as_ram_auto.c (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cache_as_ram_auto.c 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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;
+}
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/chip.h
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/chip.h (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/chip.h 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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;
+};
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cmos.layout
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cmos.layout (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/cmos.layout 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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
+
+
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/debug.c
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/debug.c (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/debug.c 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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);
+ }
+}
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/failover.c
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/failover.c (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/failover.c 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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;
+}
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/irq_tables.c
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/irq_tables.c (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/irq_tables.c 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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;
+}
Added: trunk/LinuxBIOSv2/src/mainboard/amd/norwich/mainboard.c
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/amd/norwich/mainboard.c (rev 0)
+++ trunk/LinuxBIOSv2/src/mainboard/amd/norwich/mainboard.c 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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,
+
+};
Added: trunk/LinuxBIOSv2/targets/amd/norwich/Config.lb
===================================================================
--- trunk/LinuxBIOSv2/targets/amd/norwich/Config.lb (rev 0)
+++ trunk/LinuxBIOSv2/targets/amd/norwich/Config.lb 2007-05-04 18:47:52 UTC (rev 2629)
@@ -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"
More information about the coreboot
mailing list