diff --git a/configs/sama5d3x-ek/README.txt b/configs/sama5d3x-ek/README.txt
index 88bc957462..651007de06 100644
--- a/configs/sama5d3x-ek/README.txt
+++ b/configs/sama5d3x-ek/README.txt
@@ -912,6 +912,10 @@ Configurations
       demo configuration.  The nsh configuration is, however, bare bones.
       It is the simplest possible NSH configuration and is useful as a
       platform for debugging and integrating new features in isolation.
+    nx: A simple test using the NuttX graphics system (NX) that has been
+      used to verify the SAMA5D3x-EK TFT LCD.  This test case focuses on
+      general window controls, movement, mouse and keyboard input.  It
+      requires no user interaction.
     ostest:  This is another configuration that is only useful for bring-up.
       It executes an exhaustive OS test to verify a correct port of NuttX
       to the SAMA5D3-EK.  Since it now passes that test, the configuration
@@ -2177,13 +2181,21 @@ Configurations
         integrated.
 
       EMAC:
-      2013-9-17:  Driver created, but not fully integrated yet.
+      2013-9-17:  Driver created and (subsequently) integrated.
+
+  nx:
+
+    A simple test using the NuttX graphics system (NX) that has been used to
+    verify the SAMA5D3x-EK TFT LCD.  This test case focuses on general
+    window controls, movement, mouse and keyboard input.  It requires no
+    user interaction.
 
   ostest:
     This configuration directory, performs a simple OS test using
     examples/ostest.
 
     NOTES:
+
     1. This configuration uses the default USART1 serial console.  That
        is easily changed by reconfiguring to (1) enable a different
        serial peripheral, and (2) selecting that serial peripheral as
diff --git a/configs/sama5d3x-ek/nx/Make.defs b/configs/sama5d3x-ek/nx/Make.defs
new file mode 100644
index 0000000000..f636298461
--- /dev/null
+++ b/configs/sama5d3x-ek/nx/Make.defs
@@ -0,0 +1,136 @@
+############################################################################
+# configs/sama5d3x-ek/nx/Make.defs
+#
+#   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# 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
+include ${TOPDIR}/tools/Config.mk
+include ${TOPDIR}$(DELIM)arch$(DELIM)arm$(DELIM)src$(DELIM)armv7-a$(DELIM)Toolchain.defs
+
+ifeq ($(CONFIG_SAMA5_BOOT_ISRAM),y)
+  LDSCRIPT = isram.ld
+endif
+ifeq ($(CONFIG_SAMA5_BOOT_SDRAM),y)
+  LDSCRIPT = ddram.ld
+endif
+ifeq ($(CONFIG_SAMA5_BOOT_CS0FLASH),y)
+  LDSCRIPT = norflash.ld
+endif
+ifeq ($(CONFIG_SAMA5_BOOT_CS1FLASH),y)
+#  LDSCRIPT = cs1flash.ld
+endif
+ifeq ($(CONFIG_SAMA5_BOOT_CS2FLASH),y)
+#  LDSCRIPT = cs2flash.ld
+endif
+ifeq ($(CONFIG_SAMA5_BOOT_CS3FLASH),y)
+#  LDSCRIPT = cs3flash.ld
+endif
+
+ifeq ($(WINTOOL),y)
+  # Windows-native toolchains
+  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)$(DELIM)include}"
+  ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)$(DELIM)include}" -isystem "${shell cygpath -w $(TOPDIR)$(DELIM)include$(DELIM)cxx}"
+  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)$(LDSCRIPT)}"
+  MAXOPTIMIZATION = -O2
+else
+  # Linux/Cygwin-native toolchain
+  ARCHINCLUDES = -I. -isystem $(TOPDIR)$(DELIM)include
+  ARCHXXINCLUDES = -I. -isystem $(TOPDIR)$(DELIM)include -isystem $(TOPDIR)$(DELIM)include$(DELIM)cxx
+  ARCHSCRIPT = -T$(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)$(LDSCRIPT)
+endif
+
+CC = $(CROSSDEV)gcc
+CXX = $(CROSSDEV)g++
+CPP = $(CROSSDEV)gcc -E
+LD = $(CROSSDEV)ld
+AR = $(ARCROSSDEV)ar rcs
+NM = $(ARCROSSDEV)nm
+OBJCOPY = $(CROSSDEV)objcopy
+OBJDUMP = $(CROSSDEV)objdump
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  ARCHOPTIMIZATION = -g
+else
+  ARCHOPTIMIZATION = $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCPUFLAGS = -mcpu=cortex-a5 -mfpu=vfpv4-d16
+ARCHCFLAGS = -fno-builtin
+ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fno-rtti
+ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
+ARCHWARNINGSXX = -Wall -Wshadow
+ARCHDEFINES =
+ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
+
+CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
+AFLAGS = $(CFLAGS) -D__ASSEMBLY__
+
+NXFLATLDFLAGS1 = -r -d -warn-common
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)$(DELIM)binfmt$(DELIM)libnxflat$(DELIM)gnu-nxflat-pcrel.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+OBJEXT = .o
+LIBEXT = .a
+EXEEXT =
+
+ifneq ($(CROSSDEV),arm-nuttx-elf-)
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+  LDFLAGS += -g
+endif
+
+HOSTCC = gcc
+HOSTINCLUDES = -I.
+HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
+HOSTLDFLAGS =
+ifeq ($(CONFIG_HOST_WINDOWS),y)
+  HOSTEXEEXT = .exe
+else
+  HOSTEXEEXT =
+endif
+
+ifeq ($(WINTOOL),y)
+  # Windows-native host tools
+  DIRLINK = $(TOPDIR)$(DELIM)tools$(DELIM)copydir.sh
+  DIRUNLINK = $(TOPDIR)$(DELIM)tools$(DELIM)unlink.sh
+  MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mknulldeps.sh
+else
+  # Linux/Cygwin-native host tools 
+  MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
+endif
+
diff --git a/configs/sama5d3x-ek/nx/defconfig b/configs/sama5d3x-ek/nx/defconfig
new file mode 100644
index 0000000000..660f3892ad
--- /dev/null
+++ b/configs/sama5d3x-ek/nx/defconfig
@@ -0,0 +1,771 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Nuttx/ Configuration
+#
+CONFIG_NUTTX_NEWCONFIG=y
+
+#
+# Build Setup
+#
+# CONFIG_EXPERIMENTAL is not set
+# CONFIG_HOST_LINUX is not set
+# CONFIG_HOST_OSX is not set
+CONFIG_HOST_WINDOWS=y
+# CONFIG_HOST_OTHER is not set
+# CONFIG_WINDOWS_NATIVE is not set
+CONFIG_WINDOWS_CYGWIN=y
+# CONFIG_WINDOWS_MSYS is not set
+# CONFIG_WINDOWS_OTHER is not set
+
+#
+# Build Configuration
+#
+# CONFIG_APPS_DIR="../apps"
+# CONFIG_BUILD_2PASS is not set
+
+#
+# Binary Output Formats
+#
+# CONFIG_RRLOAD_BINARY is not set
+CONFIG_INTELHEX_BINARY=y
+# CONFIG_MOTOROLA_SREC is not set
+CONFIG_RAW_BINARY=y
+
+#
+# Customize Header Files
+#
+# CONFIG_ARCH_STDBOOL_H is not set
+# CONFIG_ARCH_MATH_H is not set
+# CONFIG_ARCH_FLOAT_H is not set
+# CONFIG_ARCH_STDARG_H is not set
+
+#
+# Debug Options
+#
+# CONFIG_DEBUG is not set
+CONFIG_ARCH_HAVE_STACKCHECK=y
+# CONFIG_DEBUG_SYMBOLS is not set
+
+#
+# System Type
+#
+# CONFIG_ARCH_8051 is not set
+CONFIG_ARCH_ARM=y
+# CONFIG_ARCH_AVR is not set
+# CONFIG_ARCH_HC is not set
+# CONFIG_ARCH_MIPS is not set
+# CONFIG_ARCH_RGMP is not set
+# CONFIG_ARCH_SH is not set
+# CONFIG_ARCH_SIM is not set
+# CONFIG_ARCH_X86 is not set
+# CONFIG_ARCH_Z16 is not set
+# CONFIG_ARCH_Z80 is not set
+CONFIG_ARCH="arm"
+
+#
+# ARM Options
+#
+# CONFIG_ARCH_CHIP_C5471 is not set
+# CONFIG_ARCH_CHIP_CALYPSO is not set
+# CONFIG_ARCH_CHIP_DM320 is not set
+# CONFIG_ARCH_CHIP_IMX is not set
+# CONFIG_ARCH_CHIP_KINETIS is not set
+# CONFIG_ARCH_CHIP_KL is not set
+# CONFIG_ARCH_CHIP_LM is not set
+# CONFIG_ARCH_CHIP_LPC17XX is not set
+# CONFIG_ARCH_CHIP_LPC214X is not set
+# CONFIG_ARCH_CHIP_LPC2378 is not set
+# CONFIG_ARCH_CHIP_LPC31XX is not set
+# CONFIG_ARCH_CHIP_LPC43XX is not set
+# CONFIG_ARCH_CHIP_NUC1XX is not set
+CONFIG_ARCH_CHIP_SAMA5=y
+# CONFIG_ARCH_CHIP_SAM34 is not set
+# CONFIG_ARCH_CHIP_STM32 is not set
+# CONFIG_ARCH_CHIP_STR71X is not set
+# CONFIG_ARCH_ARM7TDMI is not set
+# CONFIG_ARCH_ARM926EJS is not set
+# CONFIG_ARCH_ARM920T is not set
+# CONFIG_ARCH_CORTEXM0 is not set
+# CONFIG_ARCH_CORTEXM3 is not set
+# CONFIG_ARCH_CORTEXM4 is not set
+CONFIG_ARCH_CORTEXA5=y
+# CONFIG_ARCH_CORTEXA8 is not set
+CONFIG_ARCH_FAMILY="armv7-a"
+CONFIG_ARCH_CHIP="sama5"
+CONFIG_ARCH_HAVE_FPU=y
+CONFIG_ARCH_FPU=y
+# CONFIG_ARCH_HAVE_MPU is not set
+CONFIG_ARCH_HAVE_LOWVECTORS=y
+CONFIG_ARCH_LOWVECTORS=y
+CONFIG_PGTABLE_VADDR=0x20000000
+# CONFIG_ARCH_ROMPGTABLE is not set
+# CONFIG_PAGING is not set
+
+#
+# ARMv7-A Configuration Options
+#
+# CONFIG_ARMV7A_TOOLCHAIN_BUILDROOT is not set
+CONFIG_ARMV7A_TOOLCHAIN_CODESOURCERYW=y
+# CONFIG_ARMV7A_TOOLCHAIN_DEVKITARM is not set
+# CONFIG_ARMV7A_TOOLCHAIN_GNU_EABIL is not set
+# CONFIG_ARMV7A_TOOLCHAIN_GNU_EABIW is not set
+# CONFIG_ARMV7A_TOOLCHAIN_GNU_OABI is not set
+
+#
+# ATSAMA5 Configuration Options
+#
+# CONFIG_ARCH_CHIP_ATSAMA5D31 is not set
+CONFIG_ARCH_CHIP_ATSAMA5D33=y
+# CONFIG_ARCH_CHIP_ATSAMA5D34 is not set
+# CONFIG_ARCH_CHIP_ATSAMA5D35 is not set
+
+#
+# ATSAMA5 Peripheral Support
+#
+# CONFIG_SAMA5_DBGU is not set
+# CONFIG_SAMA5_PIT is not set
+# CONFIG_SAMA5_WDT is not set
+CONFIG_SAMA5_HSMC=y
+# CONFIG_SAMA5_SMD is not set
+# CONFIG_SAMA5_UART0 is not set
+# CONFIG_SAMA5_UART1 is not set
+# CONFIG_SAMA5_USART0 is not set
+CONFIG_SAMA5_USART1=y
+# CONFIG_SAMA5_USART2 is not set
+# CONFIG_SAMA5_USART3 is not set
+# CONFIG_SAMA5_TWI0 is not set
+# CONFIG_SAMA5_TWI1 is not set
+# CONFIG_SAMA5_TWI2 is not set
+# CONFIG_SAMA5_HSMCI0 is not set
+# CONFIG_SAMA5_HSMCI1 is not set
+# CONFIG_SAMA5_HSMCI2 is not set
+# CONFIG_SAMA5_SPI0 is not set
+# CONFIG_SAMA5_SPI1 is not set
+# CONFIG_SAMA5_TC0 is not set
+# CONFIG_SAMA5_TC1 is not set
+# CONFIG_SAMA5_PWM is not set
+# CONFIG_SAMA5_ADC is not set
+# CONFIG_SAMA5_DMAC0 is not set
+# CONFIG_SAMA5_DMAC1 is not set
+# CONFIG_SAMA5_UHPHS is not set
+# CONFIG_SAMA5_UDPHS is not set
+# CONFIG_SAMA5_GMAC is not set
+CONFIG_SAMA5_LCDC=y
+# CONFIG_SAMA5_ISI is not set
+# CONFIG_SAMA5_SSC0 is not set
+# CONFIG_SAMA5_SSC1 is not set
+# CONFIG_SAMA5_CAN0 is not set
+# CONFIG_SAMA5_CAN1 is not set
+# CONFIG_SAMA5_SHA is not set
+# CONFIG_SAMA5_AES is not set
+# CONFIG_SAMA5_TDES is not set
+# CONFIG_SAMA5_TRNG is not set
+# CONFIG_SAMA5_ARM is not set
+# CONFIG_SAMA5_FUSE is not set
+# CONFIG_SAMA5_MPDDRC is not set
+# CONFIG_SAMA5_PIO_IRQ is not set
+CONFIG_SAMA5_HAVE_LCDC=y
+
+#
+# LCDC Configuration
+#
+CONFIG_SAMA5_LCDC_BACKLIGHT=y
+CONFIG_SAMA5_LCDC_DEFBACKLIGHT=0xf0
+CONFIG_SAMA5_LCDC_BACKCOLOR=0x0
+CONFIG_SAMA5_LCDC_FBALLOCATED=y
+# CONFIG_SAMA5_LCDC_FBFIXED is not set
+# CONFIG_SAMA5_LCDC_FBPREALLOCATED is not set
+
+#
+# Base layer configuration
+#
+CONFIG_SAMA5_LCDC_BASE_HEIGHT=480
+CONFIG_SAMA5_LCDC_BASE_WIDTH=800
+CONFIG_SAMA5_LCDC_BASE_ROT0=y
+# CONFIG_SAMA5_LCDC_BASE_ROT90 is not set
+# CONFIG_SAMA5_LCDC_BASE_ROT180 is not set
+# CONFIG_SAMA5_LCDC_BASE_ROT270 is not set
+# CONFIG_SAMA5_LCDC_BASE_RGB444 is not set
+# CONFIG_SAMA5_LCDC_BASE_ARGB4444 is not set
+# CONFIG_SAMA5_LCDC_BASE_RGBA4444 is not set
+# CONFIG_SAMA5_LCDC_BASE_RGB565 is not set
+# CONFIG_SAMA5_LCDC_BASE_TRGB1555 is not set
+# CONFIG_SAMA5_LCDC_BASE_RGB666 is not set
+# CONFIG_SAMA5_LCDC_BASE_RGB666P is not set
+# CONFIG_SAMA5_LCDC_BASE_TRGB1666 is not set
+# CONFIG_SAMA5_LCDC_BASE_TRGBP is not set
+# CONFIG_SAMA5_LCDC_BASE_RGB888 is not set
+CONFIG_SAMA5_LCDC_BASE_RGB888P=y
+# CONFIG_SAMA5_LCDC_BASE_TRGB1888 is not set
+# CONFIG_SAMA5_LCDC_BASE_ARGB8888 is not set
+# CONFIG_SAMA5_LCDC_BASE_RGBA8888 is not set
+CONFIG_SAMA5_HAVE_GMAC=y
+# CONFIG_SAMA5_HAVE_EMAC is not set
+
+#
+# External Memory Configuration
+#
+CONFIG_SAMA5_EBICS0=y
+CONFIG_SAMA5_EBICS0_SIZE=134217728
+# CONFIG_SAMA5_EBICS0_SRAM is not set
+# CONFIG_SAMA5_EBICS0_PSRAM is not set
+# CONFIG_SAMA5_EBICS0_PROM is not set
+# CONFIG_SAMA5_EBICS0_EEPROM is not set
+# CONFIG_SAMA5_EBICS0_EPROM is not set
+# CONFIG_SAMA5_EBICS0_LCD is not set
+CONFIG_SAMA5_EBICS0_NOR=y
+# CONFIG_SAMA5_EBICS0_NAND is not set
+# CONFIG_SAMA5_EBICS1 is not set
+# CONFIG_SAMA5_EBICS2 is not set
+# CONFIG_SAMA5_EBICS3 is not set
+# CONFIG_SAMA5_BOOT_ISRAM is not set
+CONFIG_SAMA5_BOOT_CS0FLASH=y
+
+#
+# Heap Configuration
+#
+CONFIG_SAMA5_ISRAM_HEAP=y
+
+#
+# Architecture Options
+#
+# CONFIG_ARCH_NOINTC is not set
+# CONFIG_ARCH_VECNOTIRQ is not set
+# CONFIG_ARCH_DMA is not set
+CONFIG_ARCH_IRQPRIO=y
+# CONFIG_CUSTOM_STACK is not set
+# CONFIG_ADDRENV is not set
+CONFIG_ARCH_HAVE_VFORK=y
+CONFIG_ARCH_HAVE_MMU=y
+CONFIG_ARCH_STACKDUMP=y
+# CONFIG_ENDIAN_BIG is not set
+# CONFIG_ARCH_HAVE_RAMFUNCS is not set
+# CONFIG_ARCH_HAVE_RAMVECTORS is not set
+
+#
+# Board Settings
+#
+CONFIG_BOARD_LOOPSPERMSEC=49341
+# CONFIG_ARCH_CALIBRATION is not set
+CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
+CONFIG_ARCH_INTERRUPTSTACK=2048
+
+#
+# Boot options
+#
+# CONFIG_BOOT_RUNFROMEXTSRAM is not set
+CONFIG_BOOT_RUNFROMFLASH=y
+# CONFIG_BOOT_RUNFROMISRAM is not set
+# CONFIG_BOOT_RUNFROMSDRAM is not set
+# CONFIG_BOOT_COPYTORAM is not set
+
+#
+# Boot Memory Configuration
+#
+CONFIG_RAM_START=0x00304000
+CONFIG_RAM_VSTART=0x00304000
+CONFIG_RAM_SIZE=114688
+CONFIG_FLASH_START=0x10000000
+CONFIG_FLASH_VSTART=0x10000000
+CONFIG_FLASH_SIZE=134217728
+
+#
+# Board Selection
+#
+CONFIG_ARCH_BOARD_SAMA5D3X_EK=y
+# CONFIG_ARCH_BOARD_CUSTOM is not set
+CONFIG_ARCH_BOARD="sama5d3x-ek"
+
+#
+# Common Board Options
+#
+CONFIG_ARCH_HAVE_LEDS=y
+CONFIG_ARCH_LEDS=y
+CONFIG_ARCH_HAVE_BUTTONS=y
+# CONFIG_ARCH_BUTTONS is not set
+CONFIG_ARCH_HAVE_IRQBUTTONS=y
+
+#
+# Board-Specific Options
+#
+
+#
+# RTOS Features
+#
+# CONFIG_BOARD_INITIALIZE is not set
+CONFIG_MSEC_PER_TICK=10
+CONFIG_RR_INTERVAL=200
+# CONFIG_SCHED_INSTRUMENTATION is not set
+CONFIG_TASK_NAME_SIZE=32
+# CONFIG_SCHED_HAVE_PARENT is not set
+# CONFIG_JULIAN_TIME is not set
+CONFIG_START_YEAR=2013
+CONFIG_START_MONTH=7
+CONFIG_START_DAY=31
+CONFIG_DEV_CONSOLE=y
+# CONFIG_MUTEX_TYPES is not set
+# CONFIG_PRIORITY_INHERITANCE is not set
+# CONFIG_FDCLONE_DISABLE is not set
+# CONFIG_FDCLONE_STDIO is not set
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SCHED_WAITPID=y
+# CONFIG_SCHED_STARTHOOK is not set
+# CONFIG_SCHED_ATEXIT is not set
+# CONFIG_SCHED_ONEXIT is not set
+CONFIG_USER_ENTRYPOINT="nx_main"
+CONFIG_DISABLE_OS_API=y
+# CONFIG_DISABLE_CLOCK is not set
+# CONFIG_DISABLE_POSIX_TIMERS is not set
+# CONFIG_DISABLE_PTHREAD is not set
+# CONFIG_DISABLE_SIGNALS is not set
+# CONFIG_DISABLE_MQUEUE is not set
+CONFIG_DISABLE_ENVIRON=y
+
+#
+# Signal Numbers
+#
+CONFIG_SIG_SIGUSR1=1
+CONFIG_SIG_SIGUSR2=2
+CONFIG_SIG_SIGALARM=3
+CONFIG_SIG_SIGCONDTIMEDOUT=16
+
+#
+# Sizes of configurable things (0 disables)
+#
+CONFIG_MAX_TASKS=16
+CONFIG_MAX_TASK_ARGS=4
+CONFIG_NPTHREAD_KEYS=4
+CONFIG_NFILE_DESCRIPTORS=8
+CONFIG_NFILE_STREAMS=8
+CONFIG_NAME_MAX=32
+CONFIG_PREALLOC_MQ_MSGS=4
+CONFIG_MQ_MAXMSGSIZE=32
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=16
+CONFIG_PREALLOC_TIMERS=4
+
+#
+# Stack and heap information
+#
+CONFIG_IDLETHREAD_STACKSIZE=1024
+CONFIG_USERMAIN_STACKSIZE=2048
+CONFIG_PTHREAD_STACK_MIN=256
+CONFIG_PTHREAD_STACK_DEFAULT=2048
+
+#
+# Device Drivers
+#
+CONFIG_DISABLE_POLL=y
+CONFIG_DEV_NULL=y
+# CONFIG_DEV_ZERO is not set
+# CONFIG_LOOP is not set
+# CONFIG_RAMDISK is not set
+# CONFIG_CAN is not set
+# CONFIG_PWM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_RTC is not set
+# CONFIG_WATCHDOG is not set
+# CONFIG_ANALOG is not set
+# CONFIG_AUDIO_DEVICES is not set
+# CONFIG_BCH is not set
+# CONFIG_INPUT is not set
+# CONFIG_LCD is not set
+# CONFIG_MMCSD is not set
+# CONFIG_MTD is not set
+# CONFIG_PIPES is not set
+# CONFIG_PM is not set
+# CONFIG_POWER is not set
+# CONFIG_SENSORS is not set
+CONFIG_SERIAL=y
+# CONFIG_DEV_LOWCONSOLE is not set
+# CONFIG_16550_UART is not set
+CONFIG_ARCH_HAVE_USART1=y
+
+#
+# USART Configuration
+#
+CONFIG_USART1_ISUART=y
+CONFIG_MCU_SERIAL=y
+CONFIG_STANDARD_SERIAL=y
+CONFIG_USART1_SERIAL_CONSOLE=y
+# CONFIG_NO_SERIAL_CONSOLE is not set
+
+#
+# USART1 Configuration
+#
+CONFIG_USART1_RXBUFSIZE=256
+CONFIG_USART1_TXBUFSIZE=256
+CONFIG_USART1_BAUD=115200
+CONFIG_USART1_BITS=8
+CONFIG_USART1_PARITY=0
+CONFIG_USART1_2STOP=0
+# CONFIG_USART1_IFLOWCONTROL is not set
+# CONFIG_USART1_OFLOWCONTROL is not set
+# CONFIG_SERIAL_IFLOWCONTROL is not set
+# CONFIG_SERIAL_OFLOWCONTROL is not set
+# CONFIG_USBDEV is not set
+# CONFIG_USBHOST is not set
+# CONFIG_WIRELESS is not set
+
+#
+# System Logging Device Options
+#
+
+#
+# System Logging
+#
+# CONFIG_RAMLOG is not set
+
+#
+# Networking Support
+#
+# CONFIG_NET is not set
+
+#
+# File Systems
+#
+
+#
+# File system configuration
+#
+# CONFIG_DISABLE_MOUNTPOINT is not set
+# CONFIG_FS_RAMMAP is not set
+# CONFIG_FS_FAT is not set
+# CONFIG_FS_NXFFS is not set
+# CONFIG_FS_ROMFS is not set
+# CONFIG_FS_SMARTFS is not set
+# CONFIG_FS_BINFS is not set
+
+#
+# System Logging
+#
+# CONFIG_SYSLOG_ENABLE is not set
+# CONFIG_SYSLOG is not set
+
+#
+# Graphics Support
+#
+CONFIG_NX=y
+CONFIG_NX_NPLANES=1
+# CONFIG_NX_WRITEONLY is not set
+
+#
+# Supported Pixel Depths
+#
+CONFIG_NX_DISABLE_1BPP=y
+CONFIG_NX_DISABLE_2BPP=y
+CONFIG_NX_DISABLE_4BPP=y
+CONFIG_NX_DISABLE_8BPP=y
+CONFIG_NX_DISABLE_16BPP=y
+CONFIG_NX_DISABLE_24BPP=y
+# CONFIG_NX_DISABLE_32BPP is not set
+CONFIG_NX_PACKEDMSFIRST=y
+
+#
+# Input Devices
+#
+# CONFIG_NX_MOUSE is not set
+# CONFIG_NX_KBD is not set
+
+#
+# Framed Window Borders
+#
+CONFIG_NXTK_BORDERWIDTH=3
+CONFIG_NXTK_DEFAULT_BORDERCOLORS=y
+# CONFIG_NXTK_AUTORAISE is not set
+
+#
+# Font Selections
+#
+CONFIG_NXFONTS_CHARBITS=7
+# CONFIG_NXFONT_MONO5X8 is not set
+# CONFIG_NXFONT_SANS17X22 is not set
+# CONFIG_NXFONT_SANS20X26 is not set
+# CONFIG_NXFONT_SANS23X27 is not set
+# CONFIG_NXFONT_SANS22X29 is not set
+# CONFIG_NXFONT_SANS28X37 is not set
+# CONFIG_NXFONT_SANS39X48 is not set
+# CONFIG_NXFONT_SANS17X23B is not set
+# CONFIG_NXFONT_SANS20X27B is not set
+# CONFIG_NXFONT_SANS22X29B is not set
+# CONFIG_NXFONT_SANS28X37B is not set
+# CONFIG_NXFONT_SANS40X49B is not set
+# CONFIG_NXFONT_SERIF22X29 is not set
+# CONFIG_NXFONT_SERIF29X37 is not set
+# CONFIG_NXFONT_SERIF38X48 is not set
+CONFIG_NXFONT_SERIF22X28B=y
+# CONFIG_NXFONT_SERIF27X38B is not set
+# CONFIG_NXFONT_SERIF38X49B is not set
+# CONFIG_NXCONSOLE is not set
+
+#
+# NX Multi-user only options
+#
+# CONFIG_NX_MULTIUSER is not set
+
+#
+# Memory Management
+#
+# CONFIG_MM_MULTIHEAP is not set
+# CONFIG_MM_SMALL is not set
+CONFIG_MM_REGIONS=1
+# CONFIG_GRAN is not set
+
+#
+# Audio Support
+#
+# CONFIG_AUDIO is not set
+
+#
+# Binary Formats
+#
+# CONFIG_BINFMT_DISABLE is not set
+# CONFIG_NXFLAT is not set
+# CONFIG_ELF is not set
+CONFIG_BUILTIN=y
+# CONFIG_PIC is not set
+CONFIG_SYMTAB_ORDEREDBYNAME=y
+
+#
+# Library Routines
+#
+
+#
+# Standard C Library Options
+#
+CONFIG_STDIO_BUFFER_SIZE=64
+CONFIG_STDIO_LINEBUFFER=y
+CONFIG_NUNGET_CHARS=2
+# CONFIG_LIBM is not set
+# CONFIG_NOPRINTF_FIELDWIDTH is not set
+# CONFIG_LIBC_FLOATINGPOINT is not set
+CONFIG_LIB_RAND_ORDER=1
+# CONFIG_EOL_IS_CR is not set
+# CONFIG_EOL_IS_LF is not set
+# CONFIG_EOL_IS_BOTH_CRLF is not set
+CONFIG_EOL_IS_EITHER_CRLF=y
+# CONFIG_LIBC_EXECFUNCS is not set
+CONFIG_POSIX_SPAWN_PROXY_STACKSIZE=1024
+CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=2048
+# CONFIG_LIBC_STRERROR is not set
+# CONFIG_LIBC_PERROR_STDOUT is not set
+CONFIG_ARCH_LOWPUTC=y
+CONFIG_LIB_SENDFILE_BUFSIZE=512
+# CONFIG_ARCH_ROMGETC is not set
+# CONFIG_ARCH_OPTIMIZED_FUNCTIONS is not set
+
+#
+# Non-standard Library Support
+#
+# CONFIG_SCHED_WORKQUEUE is not set
+# CONFIG_LIB_KBDCODEC is not set
+# CONFIG_LIB_SLCDCODEC is not set
+
+#
+# Basic CXX Support
+#
+# CONFIG_C99_BOOL8 is not set
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+# CONFIG_CXX_NEWLONG is not set
+
+#
+# uClibc++ Standard C++ Library
+#
+# CONFIG_UCLIBCXX is not set
+
+#
+# Application Configuration
+#
+
+#
+# Built-In Applications
+#
+CONFIG_BUILTIN_PROXY_STACKSIZE=1024
+
+#
+# Examples
+#
+# CONFIG_EXAMPLES_BUTTONS is not set
+# CONFIG_EXAMPLES_CAN is not set
+# CONFIG_EXAMPLES_CXXTEST is not set
+# CONFIG_EXAMPLES_DHCPD is not set
+# CONFIG_EXAMPLES_ELF is not set
+# CONFIG_EXAMPLES_FTPC is not set
+# CONFIG_EXAMPLES_FTPD is not set
+# CONFIG_EXAMPLES_HELLO is not set
+# CONFIG_EXAMPLES_HELLOXX is not set
+# CONFIG_EXAMPLES_JSON is not set
+# CONFIG_EXAMPLES_HIDKBD is not set
+# CONFIG_EXAMPLES_KEYPADTEST is not set
+# CONFIG_EXAMPLES_IGMP is not set
+# CONFIG_EXAMPLES_LCDRW is not set
+# CONFIG_EXAMPLES_MM is not set
+# CONFIG_EXAMPLES_MODBUS is not set
+# CONFIG_EXAMPLES_MOUNT is not set
+# CONFIG_EXAMPLES_NRF24L01TERM is not set
+# CONFIG_EXAMPLES_NSH is not set
+# CONFIG_EXAMPLES_NULL is not set
+CONFIG_EXAMPLES_NX=y
+CONFIG_EXAMPLES_NX_VPLANE=0
+CONFIG_EXAMPLES_NX_DEVNO=0
+CONFIG_EXAMPLES_NX_DEFAULT_COLORS=y
+CONFIG_EXAMPLES_NX_DEFAULT_FONT=y
+CONFIG_EXAMPLES_NX_BPP=24
+# CONFIG_EXAMPLES_NX_RAWWINDOWS is not set
+# CONFIG_EXAMPLES_NX_EXTERNINIT is not set
+# CONFIG_EXAMPLES_NXCONSOLE is not set
+# CONFIG_EXAMPLES_NXFFS is not set
+# CONFIG_EXAMPLES_NXFLAT is not set
+# CONFIG_EXAMPLES_NXHELLO is not set
+# CONFIG_EXAMPLES_NXIMAGE is not set
+# CONFIG_EXAMPLES_NXLINES is not set
+# CONFIG_EXAMPLES_NXTEXT is not set
+# CONFIG_EXAMPLES_OSTEST is not set
+# CONFIG_EXAMPLES_PASHELLO is not set
+# CONFIG_EXAMPLES_PIPE is not set
+# CONFIG_EXAMPLES_POLL is not set
+# CONFIG_EXAMPLES_POSIXSPAWN is not set
+# CONFIG_EXAMPLES_QENCODER is not set
+# CONFIG_EXAMPLES_RGMP is not set
+# CONFIG_EXAMPLES_ROMFS is not set
+# CONFIG_EXAMPLES_SENDMAIL is not set
+# CONFIG_EXAMPLES_SERLOOP is not set
+# CONFIG_EXAMPLES_SLCD is not set
+# CONFIG_EXAMPLES_SMART is not set
+# CONFIG_EXAMPLES_TCPECHO is not set
+# CONFIG_EXAMPLES_TELNETD is not set
+# CONFIG_EXAMPLES_THTTPD is not set
+# CONFIG_EXAMPLES_TIFF is not set
+# CONFIG_EXAMPLES_TOUCHSCREEN is not set
+# CONFIG_EXAMPLES_UDP is not set
+# CONFIG_EXAMPLES_UIP is not set
+# CONFIG_EXAMPLES_USBSERIAL is not set
+# CONFIG_EXAMPLES_USBTERM is not set
+# CONFIG_EXAMPLES_WATCHDOG is not set
+
+#
+# Graphics Support
+#
+# CONFIG_TIFF is not set
+
+#
+# Interpreters
+#
+# CONFIG_INTERPRETERS_FICL is not set
+# CONFIG_INTERPRETERS_PCODE is not set
+
+#
+# Network Utilities
+#
+
+#
+# Networking Utilities
+#
+# CONFIG_NETUTILS_CODECS is not set
+# CONFIG_NETUTILS_DHCPC is not set
+# CONFIG_NETUTILS_DHCPD is not set
+# CONFIG_NETUTILS_FTPC is not set
+# CONFIG_NETUTILS_FTPD is not set
+# CONFIG_NETUTILS_JSON is not set
+# CONFIG_NETUTILS_RESOLV is not set
+# CONFIG_NETUTILS_SMTP is not set
+# CONFIG_NETUTILS_TELNETD is not set
+# CONFIG_NETUTILS_TFTPC is not set
+# CONFIG_NETUTILS_THTTPD is not set
+# CONFIG_NETUTILS_UIPLIB is not set
+# CONFIG_NETUTILS_WEBCLIENT is not set
+
+#
+# FreeModBus
+#
+# CONFIG_MODBUS is not set
+
+#
+# NSH Library
+#
+# CONFIG_NSH_LIBRARY is not set
+
+#
+# NxWidgets/NxWM
+#
+# CONFIG_NXWIDGETS is not set
+
+#
+# System NSH Add-Ons
+#
+
+#
+# USB CDC/ACM Device Commands
+#
+
+#
+# USB Composite Device Commands
+#
+
+#
+# Custom Free Memory Command
+#
+# CONFIG_SYSTEM_FREE is not set
+
+#
+# I2C tool
+#
+
+#
+# FLASH Program Installation
+#
+# CONFIG_SYSTEM_INSTALL is not set
+
+#
+# FLASH Erase-all Command
+#
+
+#
+# RAM test
+#
+# CONFIG_SYSTEM_RAMTEST is not set
+
+#
+# readline()
+#
+CONFIG_SYSTEM_READLINE=y
+CONFIG_READLINE_ECHO=y
+
+#
+# Power Off
+#
+# CONFIG_SYSTEM_POWEROFF is not set
+
+#
+# RAMTRON
+#
+# CONFIG_SYSTEM_RAMTRON is not set
+
+#
+# SD Card
+#
+# CONFIG_SYSTEM_SDCARD is not set
+
+#
+# Sysinfo
+#
+# CONFIG_SYSTEM_SYSINFO is not set
+
+#
+# USB Monitor
+#
+
+#
+# Stack Monitor
+#
+
+#
+# USB Mass Storage Device Commands
+#
+
+#
+# Zmodem Commands
+#
+# CONFIG_SYSTEM_ZMODEM is not set
diff --git a/configs/sama5d3x-ek/nx/setenv.sh b/configs/sama5d3x-ek/nx/setenv.sh
new file mode 100755
index 0000000000..830126b00e
--- /dev/null
+++ b/configs/sama5d3x-ek/nx/setenv.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+# configs/samard3x-ek/nx/setenv.sh
+#
+#   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# 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 [ "$_" = "$0" ] ; then
+  echo "You must source this script, not run it!" 1>&2
+  exit 1
+fi
+
+WD=`pwd`
+if [ ! -x "setenv.sh" ]; then
+  echo "This script must be executed from the top-level NuttX build directory"
+  exit 1
+fi
+
+if [ -z "${PATH_ORIG}" ]; then
+  export PATH_ORIG="${PATH}"
+fi
+
+# This is the Cygwin path to the location where I installed the Atmel GCC
+# toolchain under Windows.  You will also have to edit this if you install
+# this toolchain in any other location
+#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/Atmel/Atmel Toolchain/ARM GCC/Native/4.7.3.99/arm-gnu-toolchain/bin"
+
+# This is the Cygwin path to the location where I installed the CodeSourcery
+# toolchain under windows.  You will also have to edit this if you install
+# the CodeSourcery toolchain in any other location
+#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin"
+export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_EABI/bin"
+
+# These are the Cygwin paths to the locations where I installed the Atollic
+# toolchain under windows.  You will also have to edit this if you install
+# the Atollic toolchain in any other location.  /usr/bin is added before
+# the Atollic bin path because there is are binaries named gcc.exe and g++.exe
+# at those locations as well.
+#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for ARM Pro 2.3.0/ARMTools/bin"
+#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for STMicroelectronics STM32 Lite 2.3.0/ARMTools/bin"
+
+# This is the Cygwin path to the location where I build the buildroot
+# toolchain.
+#export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
+
+# Add the path to the toolchain to the PATH varialble
+export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"