Add support for th mbed LPC1768 board

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2933 42af7a65-404d-4744-a932-0658087f49c3

configs/mbed/include/board.h

@@ -0,0 +1,204 @@
+/************************************************************************************
+ * configs/mbed/include/board.h
+ * include/arch/board/board.h
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_BOARD_BOARD_H
+#define __ARCH_BOARD_BOARD_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* Clocking *************************************************************************/
+/* NOTE:  The following definitions require lpc17_syscon.h.  It is not included here
+ * because the including C file may not have that file in its include path.
+ */
+
+#define BOARD_XTAL_FREQUENCY        (12000000)            /* XTAL oscillator frequency */
+#define BOARD_OSCCLK_FREQUENCY      BOARD_XTAL_FREQUENCY  /* Main oscillator frequency */
+#define BOARD_RTCCLK_FREQUENCY      (32000)               /* RTC oscillator frequency */
+#define BOARD_INTRCOSC_FREQUENCY    (4000000)             /* Internal RC oscillator frequency */
+
+/* This is the clock setup we configure for:
+ *
+ *   SYSCLK = BOARD_OSCCLK_FREQUENCY = 12MHz  -> Select Main oscillator for source
+ *   PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz -> PLL0 multipler=20, pre-divider=1
+ *   CCLCK = 480MHz / 6 = 80MHz               -> CCLK divider = 6
+ */
+
+#define LPC17_CCLK                 80000000 /* 80Mhz*/
+
+/* Select the main oscillator as the frequency source.  SYSCLK is then the frequency
+ * of the main osciallator.
+ */
+
+#undef CONFIG_LPC17_MAINOSC
+#define CONFIG_LPC17_MAINOSC       1
+#define BOARD_SCS_VALUE            SYSCON_SCS_OSCEN
+
+/* Select the main oscillator and CCLK divider. The output of the divider is CCLK.
+ * The input to the divider (PLLCLK) will be determined by the PLL output.
+ */
+
+#define BOARD_CCLKCFG_DIVIDER      6
+#define BOARD_CCLKCFG_VALUE        ((BOARD_CCLKCFG_DIVIDER-1) << SYSCON_CCLKCFG_SHIFT)
+
+/* PLL0.  PLL0 is used to generate the CPU clock divider input (PLLCLK).
+ *
+ *  Source clock:               Main oscillator
+ *  PLL0 Multiplier value (M):  20 
+ *  PLL0 Pre-divider value (N): 1
+ */
+
+#undef CONFIG_LPC17_PLL0
+#define CONFIG_LPC17_PLL0          1
+#define BOARD_CLKSRCSEL_VALUE      SYSCON_CLKSRCSEL_MAIN
+
+#define BOARD_PLL0CFG_MSEL         20
+#define BOARD_PLL0CFG_NSEL         1
+#define BOARD_PLL0CFG_VALUE \
+  (((BOARD_PLL0CFG_MSEL-1) << SYSCON_PLL0CFG_MSEL_SHIFT) | \
+   ((BOARD_PLL0CFG_NSEL-1) << SYSCON_PLL0CFG_NSEL_SHIFT))
+
+/* PLL1 -- Not used. */
+
+#undef CONFIG_LPC17_PLL1
+#define BOARD_PLL1CFG_MSEL         36
+#define BOARD_PLL1CFG_NSEL         1
+#define BOARD_PLL1CFG_VALUE \
+  (((BOARD_PLL1CFG_MSEL-1) << SYSCON_PLL1CFG_MSEL_SHIFT) | \
+   ((BOARD_PLL1CFG_NSEL-1) << SYSCON_PLL1CFG_NSEL_SHIFT))
+
+/* USB divider.  This divder is used when PLL1 is not enabled to get the USB clock
+ * from PLL0:
+ *
+ *  USBCLK = PLL0CLK / 10 = 48MHz
+ */
+
+#define BOARD_USBCLKCFG_VALUE      SYSCON_USBCLKCFG_DIV10
+
+/* FLASH Configuration */
+
+#undef  CONFIG_LP17_FLASH
+#define CONFIG_LP17_FLASH          1
+#define BOARD_FLASHCFG_VALUE       0x0000303a
+
+/* LED definitions ******************************************************************/
+/* The MBED has 4 LEDs along the bottom of the board. Blue or off.
+ * If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows for NuttX
+ * debug functionality (where NC means "No Change").
+ *
+ * During the boot phases.  LED1 and LED2 will show boot status.  LED3/4 Not used.
+ */
+                                      /* LED1   LED2    */
+#define LED_STARTED                0  /* OFF    OFF     */
+#define LED_HEAPALLOCATE           1  /* BLUE   OFF     */
+#define LED_IRQSENABLED            2  /* OFF    BLUE    */
+#define LED_STACKCREATED           3  /* OFF    OFF     */
+
+/* After the system is booted, this logic will no longer use LEDs 1 & 2.  They
+ * are available together with LED3 for use the application software using 
+ * lpc17_led (prototyped below)
+ */
+                                      /* LED1   LED2   LED3 LED4 */
+#define LED_INIRQ                  4  /*  NC     NC    NC   ON  (momentary) */
+#define LED_SIGNAL                 5  /*  NC     NC    NC   ON  (momentary) */
+#define LED_ASSERTION              6  /*  NC     NC    NC   ON  (momentary) */
+#define LED_PANIC                  7  /*  NC     NC    NC   ON  (1Hz flashing) */
+
+
+#define GPIO_SSP0_SCK              GPIO_SSP0_SCK_1
+#define GPIO_SSP0_SSEL             GPIO_SSP0_SSEL_1
+#define GPIO_SSP0_MISO             GPIO_SSP0_MISO_1
+#define GPIO_SSP0_MOSI             GPIO_SSP0_MOSI_1
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Public Function Prototypes
+ ************************************************************************************/
+/************************************************************************************
+ * Name: lpc17_boardinitialize
+ *
+ * Description:
+ *   All LPC17xx architectures must provide the following entry point.  This entry point
+ *   is called early in the intitialization -- after all memory has been configured
+ *   and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+EXTERN void lpc17_boardinitialize(void);
+
+/************************************************************************************
+ * Name: lpc17_led
+ *
+ * Description:
+ *   Once the system has booted, these functions can be used to control LEDs 1, 2 & 3
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_ARCH_LEDS
+EXTERN void lpc17_led(int lednum, int state);
+#endif
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif  /* __ARCH_BOARD_BOARD_H */

configs/mbed/nsh/Make.defs

@@ -0,0 +1,162 @@
+############################################################################
+# configs/mbed/nsh/Make.defs
+#
+#   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+include ${TOPDIR}/.config
+
+# Setup for the selected toolchain
+
+ifeq ($(CONFIG_LPC17_CODESOURCERYW),y)
+  # CodeSourcery under Windows
+  CROSSDEV = arm-none-eabi-
+  WINTOOL = y
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+endif
+ifeq ($(CONFIG_LPC17_CODESOURCERYL),y)
+  # CodeSourcery under Linux
+  CROSSDEV = arm-none-eabi-
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+  MAXOPTIMIZATION = -O2
+endif
+ifeq ($(CONFIG_LPC17_DEVKITARM),y)
+  # devkitARM under Windows
+  CROSSDEV = arm-eabi-
+  WINTOOL = y
+  ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+endif
+ifeq ($(CONFIG_LPC17_BUILDROOT),y)
+  # NuttX buildroot under Linux or Cygwin
+  CROSSDEV = arm-elf-
+  ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
+  MAXOPTIMIZATION = -Os
+endif
+
+ifeq ($(WINTOOL),y)
+  # Windows-native toolchains
+  DIRLINK = $(TOPDIR)/tools/winlink.sh
+  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
+  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
+  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
+  ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
+  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nsh/ld.script}"
+  MAXOPTIMIZATION = -O2
+else
+  # Linux/Cygwin-native toolchain 
+  MKDEP = $(TOPDIR)/tools/mkdeps.sh
+  ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
+  ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
+  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nsh/ld.script
+endif
+
+CC = $(CROSSDEV)gcc
+CXX = $(CROSSDEV)g++
+CPP = $(CROSSDEV)gcc -E
+LD = $(CROSSDEV)ld
+AR = $(CROSSDEV)ar rcs
+NM = $(CROSSDEV)nm
+OBJCOPY = $(CROSSDEV)objcopy
+OBJDUMP = $(CROSSDEV)objdump
+
+ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
+ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
+
+ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
+  ARCHOPTIMIZATION = -g
+else
+  ARCHOPTIMIZATION = $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCFLAGS = -fno-builtin
+ARCHCXXFLAGS = -fno-builtin -fno-exceptions
+ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
+ARCHWARNINGSXX = -Wall -Wshadow
+ARCHDEFINES =
+ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
+
+CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES)
+AFLAGS = $(CFLAGS) -D__ASSEMBLY__
+
+NXFLATLDFLAGS1 = -r -d -warn-common
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+OBJEXT = .o
+LIBEXT = .a
+EXEEXT =
+
+ifneq ($(CROSSDEV),arm-elf-)
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  LDFLAGS += -g
+endif
+
+define PREPROCESS
+	@echo "CPP: $1->$2"
+	@$(CPP) $(CPPFLAGS) $1 -o $2
+endef
+
+define COMPILE
+	@echo "CC: $1"
+	@$(CC) -c $(CFLAGS) $1 -o $2
+endef
+
+define COMPILEXX
+	@echo "CXX: $1"
+	@$(CXX) -c $(CXXFLAGS) $1 -o $2
+endef
+
+define ASSEMBLE
+	@echo "AS: $1"
+	@$(CC) -c $(AFLAGS) $1 -o $2
+endef
+
+define ARCHIVE
+	echo "AR: $2"; \
+	$(AR) $1 $2 || { echo "$(AR) $1 $2 FAILED!" ; exit 1 ; }
+endef
+
+define CLEAN
+	@rm -f *.o *.a
+endef
+
+HOSTCC = gcc
+HOSTINCLUDES = -I.
+HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
+HOSTLDFLAGS =
+

configs/mbed/nsh/ld.script

@@ -0,0 +1,109 @@
+/****************************************************************************
+ * configs/mbed/nsh/ld.script
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* The LPC1768 has 512Kb of FLASH beginning at address 0x0000:0000 and
+ * 64Kb of total SRAM: 32Kb of SRAM in the CPU block beginning at address
+ * 0x10000000 and 32Kb of AHB SRAM in two banks of 16Kb beginning at addresses
+ * 0x20070000 and 0x20080000.  Here we assume that .data and .bss will all fit
+ * into the 32Kb CPU SRAM address range.
+ */
+
+MEMORY
+{
+    flash (rx) : ORIGIN = 0x00000000, LENGTH = 512K
+    sram (rwx) : ORIGIN = 0x10000000, LENGTH = 32K
+}
+
+OUTPUT_ARCH(arm)
+ENTRY(_stext)
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		*(.text .text.*)        
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata .rodata.*)        
+		*(.gnu.linkonce.t.*)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.got)
+		*(.gcc_except_table)
+		*(.gnu.linkonce.r.*)
+		_etext = ABSOLUTE(.);
+	} > flash
+
+	_eronly = ABSOLUTE(.);		/* See below                    */
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} >sram
+
+	.ARM.exidx : {
+		__exidx_start = ABSOLUTE(.);
+		*(.ARM.exidx*)
+		__exidx_end = ABSOLUTE(.);
+	} >sram
+
+	.bss : {			/* BSS				*/
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		_ebss = ABSOLUTE(.);
+	} > sram
+					/* Stabs debugging sections.	*/
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}

configs/mbed/nsh/setenv.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+# configs/mbed/nsh/setenv.sh
+#
+#   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+if [ "$(basename $0)" = "setenv.sh" ] ; then
+  echo "You must source this script, not run it!" 1>&2
+  exit 1
+fi
+
+if [ -z "${PATH_ORIG}" ]; then export PATH_ORIG="${PATH}"; fi
+
+WD=`pwd`
+export LPCTOOL_DIR="${WD}/configs/mbed/tools"
+export BUILDROOT_BIN="${WD}/../buildroot/build_arm_nofpu/staging_dir/bin"
+export PATH="${BUILDROOT_BIN}:${LPCTOOL_DIR}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"

configs/mbed/src/Makefile

@@ -0,0 +1,90 @@
+############################################################################
+# configs/mbed/src/Makefile
+#
+#   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/Make.defs
+
+CFLAGS		+= -I$(TOPDIR)/sched
+
+ASRCS		= 
+CSRCS		= up_boot.c up_leds.c 
+ifeq ($(CONFIG_EXAMPLES_NSH_ARCHINIT),y)
+CSRCS		+= up_nsh.c
+endif
+ifeq ($(CONFIG_APP_DIR),examples/usbstorage)
+CSRCS		+= up_usbstrg.c
+endif
+
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS)
+OBJS		= $(AOBJS) $(COBJS)
+
+ARCH_SRCDIR	= $(TOPDIR)/arch/$(CONFIG_ARCH)/src
+ifeq ($(WINTOOL),y)
+  CFLAGS	+= -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" \
+		   -I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \
+		   -I "${shell cygpath -w $(ARCH_SRCDIR)/cortexm3}"
+else
+  CFLAGS	+= -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/cortexm3
+endif
+
+all: libboard$(LIBEXT)
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+libboard$(LIBEXT): $(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $@, $${obj}); \
+	done ; )
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f libboard$(LIBEXT) *~ .*.swp
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep

configs/mbed/src/mbed_internal.h

@@ -0,0 +1,94 @@
+/************************************************************************************
+ * configs/mbed/src/mbed_internal.h
+ * arch/arm/src/board/mbed_internal.n
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef _CONFIGS_MBED_SRC_MBED_INTERNAL_H
+#define _CONFIGS_MBED_SRC_MBED_INTERNAL_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* MBED GPIO Pin Definitions ********************************************************/
+
+#define MBED_LED1             (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN18)
+#define MBED_LED1_OFF          MBED_LED1
+#define MBED_LED1_ON          (MBED_LED1 | GPIO_VALUE_ONE)
+#define MBED_LED2             (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN20)
+#define MBED_LED2_OFF          MBED_LED2
+#define MBED_LED2_ON          (MBED_LED2 | GPIO_VALUE_ONE)
+#define MBED_LED3             (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN21)
+#define MBED_LED3_OFF          MBED_LED3
+#define MBED_LED3_ON          (MBED_LED3 | GPIO_VALUE_ONE)
+#define MBED_LED4             (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN23)
+#define MBED_LED4_OFF         MBED_LED4
+#define MBED_LED4_ON          (MBED_LED 4| GPIO_VALUE_ONE)
+
+#define MBED_HEARTBEAT        MBED_LED4
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public data
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: lpc17_sspinitialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the NUCLEUS-2G board.
+ *
+ ************************************************************************************/
+
+extern void weak_function lpc17_sspinitialize(void);
+
+#endif /* __ASSEMBLY__ */
+#endif /* _CONFIGS_MBED_SRC_MBED_INTERNAL_H */
+

configs/mbed/src/up_boot.c

@@ -0,0 +1,82 @@
+/************************************************************************************
+ * configs/mbed/src/up_boot.c
+ * arch/arm/src/board/up_boot.c
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+#include "up_internal.h"
+
+#include "lpc17_internal.h"
+#include "mbed_internal.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: lpc17_boardinitialize
+ *
+ * Description:
+ *   All LPC17xx architectures must provide the following entry point.  This entry point
+ *   is called early in the intitialization -- after all memory has been configured
+ *   and mapped but before any devices have been initialized.
+ *
+ ************************************************************************************/
+
+void lpc17_boardinitialize(void)
+{
+  /* Configure on-board LEDs if LED support has been selected. */
+
+#ifdef CONFIG_ARCH_LEDS
+  up_ledinit();
+#endif
+}

configs/mbed/src/up_leds.c

@@ -0,0 +1,222 @@
+/****************************************************************************
+ * configs/mbed/src/up_leds.c
+ * arch/arm/src/board/up_leds.c
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "up_arch.h"
+#include "up_internal.h"
+
+#include "lpc17_internal.h"
+
+#include "mbed_internal.h"
+
+#ifdef CONFIG_ARCH_LEDS
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Enables debug output from this file (needs CONFIG_DEBUG with
+ * CONFIG_DEBUG_VERBOSE too)
+ */
+
+#undef LED_DEBUG   /* Define to enable debug */
+#undef LED_VERBOSE /* Define to enable verbose debug */
+
+#ifdef LED_DEBUG
+#  define leddbg  lldbg
+#  ifdef LED_VERBOSE
+#    define ledvdbg lldbg
+#  else
+#    define ledvdbg(x...)
+#  endif
+#else
+#  undef LED_VERBOSE
+#  define leddbg(x...)
+#  define ledvdbg(x...)
+#endif
+
+/* Dump GPIO registers */
+
+#ifdef LED_VERBOSE
+#  define led_dumpgpio(m) lpc17_dumpgpio(MBED_LED3, m)
+#else
+#  define led_dumpgpio(m)
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* LED definitions ******************************************************************
+
+The MBED has 4 LEDs along the bottom of the board. Blue or off.
+If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows for NuttX
+debug functionality (where NC means "No Change").
+
+During the boot phases.  LED1 and LED2 will show boot status.  LED3/4 Not used.
+
+               LED1   LED2   
+STARTED         OFF    OFF   
+HEAPALLOCATE   BLUE    OFF    
+IRQSENABLED     OFF   BLUE
+STACKCREATED    OFF    OFF 
+
+After the system is booted, this logic will no longer use LEDs 1 & 2.  They
+are available together with LED3 for use the application software using 
+lpc17_led (prototyped below)
+*/
+
+static bool g_initialized;
+static int  g_nestcount;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_ledinit
+ ****************************************************************************/
+
+void up_ledinit(void)
+{
+  /* Configure all LED GPIO lines */
+
+  led_dumpgpio("up_ledinit() Entry)");
+
+  lpc17_configgpio(MBED_LED1);
+  lpc17_configgpio(MBED_LED2);
+  lpc17_configgpio(MBED_LED3);
+  lpc17_configgpio(MBED_LED4);
+
+  led_dumpgpio("up_ledinit() Exit");
+}
+
+/****************************************************************************
+ * Name: up_ledon
+ ****************************************************************************/
+
+void up_ledon(int led)
+{
+  /* We will control LED1 and LED2 not yet completed the boot sequence. */
+
+  if (!g_initialized)
+    {
+      int led1 = 0;
+      int led2 = 0;
+      switch (led)
+        {
+        case LED_STACKCREATED:
+          g_initialized = true;
+        case LED_STARTED:
+        default:
+          break;
+
+        case LED_HEAPALLOCATE:
+          led1 = 1;
+          break;
+
+        case LED_IRQSENABLED:
+          led2 = 1;
+        }
+      lpc17_led(MBED_LED1,led1);
+      lpc17_led(MBED_LED2,led2);
+    }
+
+  /* We will always control the HB LED */
+
+  switch (led)
+    {
+    case LED_INIRQ:
+    case LED_SIGNAL:
+    case LED_ASSERTION:
+    case LED_PANIC:
+      lpc17_gpiowrite(MBED_HEARTBEAT, false);
+      g_nestcount++;
+
+    default:
+      break;
+    }
+}
+
+/****************************************************************************
+ * Name: up_ledoff
+ ****************************************************************************/
+
+void up_ledoff(int led)
+{
+  /* In all states, OFF can only mean turning off the HB LED */
+
+  if (g_nestcount <= 1)
+    {
+      lpc17_led(MBED_HEARTBEAT, true);
+      g_nestcount = 0;
+    }
+  else
+    {
+      g_nestcount--;
+    }
+}
+
+/************************************************************************************
+ * Name: lpc17_led
+ *
+ * Description:
+ *   Once the system has booted, these functions can be used to control the LEDs
+ *
+ ************************************************************************************/
+
+void lpc17_led(int lednum, int state)
+
+{
+  lpc17_gpiowrite(lednum, state);
+}
+#endif /* CONFIG_ARCH_LEDS */

configs/mbed/src/up_nsh.c

@@ -0,0 +1,102 @@
+/****************************************************************************
+ * config/mbed/src/up_nsh.c
+ * arch/arm/src/board/up_nsh.c
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/spi.h>
+#include <nuttx/mmcsd.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+/* PORT and SLOT number probably depend on the board configuration */
+
+#ifdef CONFIG_ARCH_BOARD_MBED
+#  define CONFIG_EXAMPLES_NSH_HAVEUSBDEV 1
+#else
+#  error "Unrecognized board"
+#  undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
+#endif
+
+/* Can't support USB features if USB is not enabled */
+
+#ifndef CONFIG_USBDEV
+#  undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
+#endif
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+#  ifdef CONFIG_DEBUG
+#    define message(...) lib_lowprintf(__VA_ARGS__)
+#  else
+#    define message(...) printf(__VA_ARGS__)
+#  endif
+#else
+#  ifdef CONFIG_DEBUG
+#    define message lib_lowprintf
+#  else
+#    define message printf
+#  endif
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nsh_archinitialize
+ *
+ * Description:
+ *   Perform architecture specific initialization
+ *
+ ****************************************************************************/
+
+int nsh_archinitialize(void)
+{
+  return OK;
+}