Add lm3s6918 NSH configuration

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1802 42af7a65-404d-4744-a932-0658087f49c3

5 files changed, 777 insertions, 11 deletions

diff --git a/nuttx/arch/arm/src/lm3s/lm3s_serial.c b/nuttx/arch/arm/src/lm3s/lm3s_serial.c
index 42cf0fe23..b490e4ad4 100644
--- a/nuttx/arch/arm/src/lm3s/lm3s_serial.c
+++ b/nuttx/arch/arm/src/lm3s/lm3s_serial.c
@@ -54,6 +54,7 @@
 #include "chip.h"
 #include "up_arch.h"
 #include "up_internal.h"
+#include "os_internal.h"
 
 /****************************************************************************
  * Definitions
@@ -95,7 +96,7 @@
 #  define TTYS0_DEV       g_uart0port     /* UART0 is ttyS0 */
 #  ifndef CONFIG_UART1_DISABLE
 #    define TTYS1_DEV     g_uart1port     /* UART1 is ttyS1 */
-#  elif
+#  else
 #    undef TTYS1_DEV                      /* No ttyS1 */
 #  endif
 #elif defined(CONFIG_UART1_SERIAL_CONSOLE)
@@ -103,7 +104,7 @@
 #  define TTYS0_DEV       g_uart1port     /* UART1 is ttyS0 */
 #  ifndef CONFIG_UART0_DISABLE
 #    define TTYS1_DEV     g_uart0port     /* UART0 is ttyS1 */
-#  elif
+#  else
 #    undef TTYS1_DEV                      /* No ttyS1 */
 #  endif
 #elif !defined(CONFIG_UART0_DISABLE)
@@ -111,7 +112,7 @@
 #  define TTYS0_DEV       g_uart1port     /* UART1 is ttyS0 */
 #  ifndef CONFIG_UART1_DISABLE
 #    define TTYS1_DEV     g_uart1port     /* UART1 is ttyS1 */
-#  elif
+#  else
 #    undef TTYS1_DEV                      /* No ttyS1 */
 #  endif
 #elif !defined(CONFIG_UART1_DISABLE)
@@ -356,9 +357,9 @@ static int up_setup(struct uart_dev_s *dev)
 
   /* Disable the UART by clearing the UARTEN bit in the UART CTL register */
 
-  ctl = getreg32(LM3S_CONSOLE_BASE+LM3S_UART_CTL_OFFSET);
+  ctl = up_serialin(priv, LM3S_UART_CTL_OFFSET);
   ctl &= ~UART_CTL_UARTEN;
-  putreg32(ctl, LM3S_CONSOLE_BASE+LM3S_UART_CTL_OFFSET);
+  up_serialout(priv, LM3S_UART_CTL_OFFSET, ctl);
 
   /* Calculate BAUD rate from the SYS clock:
    *
@@ -399,7 +400,7 @@ static int up_setup(struct uart_dev_s *dev)
 
   den       = priv->baud << 16;
   brdi      = SYSCLK_FREQUENCY / den;
-  remainder = priv->baud - den * brdi
+  remainder = priv->baud - den * brdi;
   divfrac   = ((remainder << 6) + (den >> 1)) / den;
 
   up_serialout(priv, LM3S_UART_IBRD_OFFSET, brdi);
@@ -460,15 +461,15 @@ static int up_setup(struct uart_dev_s *dev)
    * yet because the interrupt is still disabled at the interrupt controller.
    */
 
-  serial_out(priv, LM3S_UART_IM_OFFSET, UART_IM_RXIM|UART_IM_RTIM);
+  up_serialout(priv, LM3S_UART_IM_OFFSET, UART_IM_RXIM|UART_IM_RTIM);
 
   /* Enable the FIFOs */
 
 #ifndef CONFIG_SUPPRESS_UART_CONFIG
-  lrch = up_serialin(priv, LM3S_UART_LCRH_OFFSET);
+  lcrh = up_serialin(priv, LM3S_UART_LCRH_OFFSET);
 #endif
   lcrh |= UART_LCRH_FEN;
-  serial_out(priv, LM3S_UART_LCRH_OFFSET, lcrh);
+  up_serialout(priv, LM3S_UART_LCRH_OFFSET, lcrh);
 
   /* Enable Rx, Tx, and the UART */
 
@@ -638,7 +639,6 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
 {
   struct inode      *inode = filep->f_inode;
   struct uart_dev_s *dev   = inode->i_private;
-  struct up_dev_s   *priv  = (struct up_dev_s*)dev->priv;
   int                ret    = OK;
 
   switch (cmd)
@@ -873,7 +873,7 @@ int up_putc(int ch)
 {
 #ifdef HAVE_CONSOLE
   struct up_dev_s *priv = (struct up_dev_s*)CONSOLE_DEV.priv;
-  ubyte  im;
+  uint32 im;
 
   up_disableuartint(priv, &im);
   up_waittxnotfull(priv);
diff --git a/nuttx/configs/eagle100/nsh/Make.defs b/nuttx/configs/eagle100/nsh/Make.defs
new file mode 100644
index 000000000..df915ca59
--- /dev/null
+++ b/nuttx/configs/eagle100/nsh/Make.defs
@@ -0,0 +1,120 @@
+############################################################################
+# configs/eagle100/nsh/Make.defs
+#
+#   Copyright (C) 2009 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
+
+CROSSDEV		= arm-elf-
+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 $(ARCHCCVERSION) | cut -d'.' -f1}
+
+ARCHCFLAGS		= -fno-builtin
+ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
+ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
+ARCHWARNINGSXX		= -Wall -Wshadow
+
+ifeq ("${CONFIG_DEBUG}","y")
+  ARCHOPTIMIZATION	= -g
+else
+  ARCHOPTIMIZATION	= -Os -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCPUFLAGS		= -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
+ARCHDEFINES		=
+ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
+ARCHXXINCLUDES		= -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
+
+ARCHPICFLAGS		= -fpic
+ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nsh/ld.script
+
+CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
+			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
+			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
+AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
+
+OBJEXT			= .o
+LIBEXT			= .a
+EXEEXT			=
+
+ifeq ("${CONFIG_DEBUG}","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
+
+MKDEP			= $(TOPDIR)/tools/mkdeps.sh
+
+HOSTCC			= gcc
+HOSTINCLUDES		= -I.
+HOSTCFLAGS		= -Wall -Wstrict-prototypes -Wshadow -g -pipe
+HOSTLDFLAGS		=
+
diff --git a/nuttx/configs/eagle100/nsh/defconfig b/nuttx/configs/eagle100/nsh/defconfig
new file mode 100644
index 000000000..66c39fb09
--- /dev/null
+++ b/nuttx/configs/eagle100/nsh/defconfig
@@ -0,0 +1,503 @@
+############################################################################
+# configs/eagle100/nsh/defconfig
+#
+#   Copyright (C) 2009 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.
+#
+############################################################################
+#
+# architecture selection
+#
+# CONFIG_ARCH - identifies the arch subdirectory and, hence, the
+#   processor architecture.
+# CONFIG_ARCH_family - for use in C code.  This identifies the
+#   particular chip family that the architecture is implemented
+#   in.
+# CONFIG_ARCH_architecture - for use in C code.  This identifies the
+#   specific architecture within the chip familyl.
+# CONFIG_ARCH_CHIP - Identifies the arch/*/chip subdirectory
+# CONFIG_ARCH_CHIP_name - For use in C code
+# CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence,
+#   the board that supports the particular chip or SoC.
+# CONFIG_ARCH_BOARD_name - for use in C code
+# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
+# CONFIG_BOARD_LOOPSPERMSEC - for delay loops
+# CONFIG_DRAM_SIZE - Describes the installed DRAM.
+# CONFIG_DRAM_START - The start address of DRAM (physical)
+# CONFIG_DRAM_END - Last address+1 of installed RAM
+# CONFIG_ARCH_IRQPRIO - The LM3S6918 supports interrupt prioritization
+# CONFIG_ARCH_INTERRUPTSTACK - This architecture supports an interrupt
+#   stack. If defined, this symbol is the size of the interrupt
+#   stack in bytes.  If not defined, the user task stacks will be
+#   used during interrupt handling.
+# CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions
+# CONFIG_ARCH_BOOTLOADER - Configure to use the MicroMint Eagle-100
+#   Ethernet bootloader.
+# CONFIG_ARCH_LEDS -  Use LEDs to show state. Unique to board architecture.
+# CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that
+#   cause a 100 second delay during boot-up.  This 100 second delay
+#   serves no purpose other than it allows you to calibratre
+# CONFIG_ARCH_LOOPSPERMSEC.  You simply use a stop watch to measure
+#   the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
+#   the delay actually is 100 seconds.
+#
+CONFIG_ARCH=arm
+CONFIG_ARCH_ARM=y
+CONFIG_ARCH_CORTEXM3=y
+CONFIG_ARCH_CHIP=lm3s
+CONFIG_ARCH_CHIP_LM3S6918=y
+CONFIG_ARCH_BOARD=eagle100
+CONFIG_ARCH_BOARD_EAGLE100=y
+CONFIG_BOARD_LOOPSPERMSEC=4531
+CONFIG_DRAM_SIZE=0x00010000
+CONFIG_DRAM_START=0x20000000
+CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)
+CONFIG_ARCH_IRQPRIO=y
+CONFIG_DRAM_NUTTXENTRY=0x00002000
+CONFIG_ARCH_INTERRUPTSTACK=n
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_BOOTLOADER=y
+CONFIG_ARCH_LEDS=y
+CONFIG_ARCH_CALIBRATION=n
+
+#
+# LM3S6918 specific serial device driver settings
+#
+# CONFIG_UARTn_DISABLE - select to disable all support for
+#   the UART
+# CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the
+#   console and ttys0 (default is the UART0).
+# CONFIG_UARTn_RXBUFSIZE - Characters are buffered as received.
+#   This specific the size of the receive buffer
+# CONFIG_UARTn_TXBUFSIZE - Characters are buffered before
+#   being sent.  This specific the size of the transmit buffer
+# CONFIG_UARTn_BAUD - The configure BAUD of the UART.  Must be
+# CONFIG_UARTn_BITS - The number of bits.  Must be either 7 or 8.
+# CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity
+# CONFIG_UARTn_2STOP - Two stop bits
+#
+CONFIG_UART0_DISABLE=n
+CONFIG_UART1_DISABLE=y
+CONFIG_UART0_SERIAL_CONSOLE=y
+CONFIG_UART1_SERIAL_CONSOLE=n
+CONFIG_UART0_TXBUFSIZE=256
+CONFIG_UART1_TXBUFSIZE=256
+CONFIG_UART0_RXBUFSIZE=256
+CONFIG_UART1_RXBUFSIZE=256
+CONFIG_UART0_BAUD=115200
+CONFIG_UART1_BAUD=115200
+CONFIG_UART0_BITS=8
+CONFIG_UART1_BITS=8
+CONFIG_UART0_PARITY=0
+CONFIG_UART1_PARITY=0
+CONFIG_UART0_2STOP=0
+CONFIG_UART1_2STOP=0
+
+#
+# LM3S6918 specific SPI device driver settings
+#
+# CONFIG_SPIn_DISABLE - select to disable all support for
+#   the SPI
+CONFIG_SPI1_DISABLE=n
+CONFIG_SPI2_DISABLE=y
+
+#
+# LM3S6918 specific serial device driver settings
+#
+CONFIG_LM3S_ETHERNET=n
+CONFIG_LM3S_ETHLEDS=n
+
+#
+# General build options
+#
+# CONFIG_RRLOAD_BINARY - make the rrload binary format used with
+#   BSPs from www.ridgerun.com using the tools/mkimage.sh script
+# CONFIG_INTELHEX_BINARY - make the Intel HEX binary format
+#   used with many different loaders using the GNU objcopy program
+#   Should not be selected if you are not using the GNU toolchain.
+# CONFIG_MOTOROLA_SREC - make the Motorola S-Record binary format
+#   used with many different loaders using the GNU objcopy program
+#   Should not be selected if you are not using the GNU toolchain.
+# CONFIG_RAW_BINARY - make a raw binary format file used with many
+#   different loaders using the GNU objcopy program.  This option
+#   should not be selected if you are not using the GNU toolchain.
+# CONFIG_HAVE_LIBM - toolchain supports libm.a
+#
+CONFIG_RRLOAD_BINARY=n
+CONFIG_INTELHEX_BINARY=n
+CONFIG_MOTOROLA_SREC=n
+CONFIG_RAW_BINARY=y
+CONFIG_HAVE_LIBM=n
+
+#
+# General OS setup
+#
+# CONFIG_EXAMPLE - identifies the subdirectory in examples
+#   that will be used in the build
+# CONFIG_DEBUG - enables built-in debug options
+# CONFIG_DEBUG_VERBOSE - enables verbose debug output
+# CONFIG_MM_REGIONS - If the architecture includes multiple
+#   regions of memory to allocate from, this specifies the
+#   number of memory regions that the memory manager must
+#   handle and enables the API mm_addregion(start, end);
+# CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot
+#   time console output
+# CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz
+#   or TICKS_PER_MSEC=10.  This setting may be defined to
+#   inform NuttX that the processor hardware is providing
+#   system timer interrupts at some interrupt interval other
+#   than 10 msec.
+# CONFIG_RR_INTERVAL - The round robin timeslice will be set
+#   this number of milliseconds;  Round robin scheduling can
+#   be disabled by setting this value to zero.
+# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in 
+#   scheduler to monitor system performance
+# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a
+#   task name to save in the TCB.  Useful if scheduler
+#   instrumentation is selected.  Set to zero to disable.
+# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY -
+#   Used to initialize the internal time logic.
+# CONFIG_JULIAN_TIME - Enables Julian time conversions
+# CONFIG_DEV_CONSOLE - Set if architecture-specific logic
+#   provides /dev/console.  Enables stdout, stderr, stdin.
+# CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console
+#   driver (minimul support)
+# CONFIG_MUTEX_TYPES: Set to enable support for recursive and
+#   errorcheck mutexes. Enables pthread_mutexattr_settype().
+# CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority
+#   inheritance on mutexes and semaphores. 
+#
+CONFIG_EXAMPLE=nsh
+CONFIG_DEBUG=n
+CONFIG_DEBUG_VERBOSE=n
+CONFIG_MM_REGIONS=1
+CONFIG_ARCH_LOWPUTC=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_INSTRUMENTATION=n
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_START_YEAR=2009
+CONFIG_START_MONTH=5
+CONFIG_START_DAY=6
+CONFIG_JULIAN_TIME=n
+CONFIG_DEV_CONSOLE=y
+CONFIG_DEV_LOWCONSOLE=n
+CONFIG_MUTEX_TYPES=n
+CONFIG_PRIORITY_INHERITANCE=n
+
+#
+# The following can be used to disable categories of
+# APIs supported by the OS.  If the compiler supports
+# weak functions, then it should not be necessary to
+# disable functions unless you want to restrict usage
+# of those APIs.
+#
+# There are certain dependency relationships in these
+# features.
+#
+# o mq_notify logic depends on signals to awaken tasks
+#   waiting for queues to become full or empty.
+# o pthread_condtimedwait() depends on signals to wake
+#   up waiting tasks.
+#
+CONFIG_DISABLE_CLOCK=n
+CONFIG_DISABLE_POSIX_TIMERS=n
+CONFIG_DISABLE_PTHREAD=n
+CONFIG_DISABLE_SIGNALS=n
+CONFIG_DISABLE_MQUEUE=n
+CONFIG_DISABLE_MOUNTPOINT=n
+CONFIG_DISABLE_ENVIRON=n
+CONFIG_DISABLE_POLL=y
+
+#
+# Misc libc settings
+#
+# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
+#   little smaller if we do not support fieldwidthes
+#
+CONFIG_NOPRINTF_FIELDWIDTH=n
+
+#
+# Allow for architecture optimized implementations
+#
+# The architecture can provide optimized versions of the
+# following to improve sysem performance
+#
+CONFIG_ARCH_MEMCPY=n
+CONFIG_ARCH_MEMCMP=n
+CONFIG_ARCH_MEMMOVE=n
+CONFIG_ARCH_MEMSET=n
+CONFIG_ARCH_STRCMP=n
+CONFIG_ARCH_STRCPY=n
+CONFIG_ARCH_STRNCPY=n
+CONFIG_ARCH_STRLEN=n
+CONFIG_ARCH_BZERO=n
+CONFIG_ARCH_KMALLOC=n
+CONFIG_ARCH_KZMALLOC=n
+CONFIG_ARCH_KFREE=n
+
+#
+# Sizes of configurable things (0 disables)
+#
+# CONFIG_MAX_TASKS - The maximum number of simultaneously
+#   active tasks.  This value must be a power of two.
+# CONFIG_MAX_TASK_ARGS - This controls the maximum number of
+#   of parameters that a task may receive (i.e., maxmum value
+#   of 'argc')
+# CONFIG_NPTHREAD_KEYS - The number of items of thread-
+#   specific data that can be retained
+# CONFIG_NFILE_DESCRIPTORS - The maximum number of file
+#   descriptors (one for each open)
+# CONFIG_NFILE_STREAMS - The maximum number of streams that
+#   can be fopen'ed
+# CONFIG_NAME_MAX - The maximum size of a file name.
+# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
+#   on fopen. (Only if CONFIG_NFILE_STREAMS > 0)
+# CONFIG_NUNGET_CHARS - Number of characters that can be
+#   buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
+# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
+#   structures.  The system manages a pool of preallocated
+#   message structures to minimize dynamic allocations
+# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with
+#   a fixed payload size given by this settin (does not include
+#   other message structure overhead.
+# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that
+#   can be passed to a watchdog handler
+# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
+#   structures.  The system manages a pool of preallocated
+#   watchdog structures to minimize dynamic allocations
+# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
+#   timer structures.  The system manages a pool of preallocated
+#   timer structures to minimize dynamic allocations.  Set to
+#   zero for all dynamic allocations.
+#
+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_STDIO_BUFFER_SIZE=256
+CONFIG_NUNGET_CHARS=2
+CONFIG_PREALLOC_MQ_MSGS=4
+CONFIG_MQ_MAXMSGSIZE=32
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=4
+CONFIG_PREALLOC_TIMERS=4
+
+#
+# Filesystem configuration
+#
+# CONFIG_FS_FAT - Enable FAT filesystem support
+# CONFIG_FAT_SECTORSIZE - Max supported sector size
+# CONFIG_FS_ROMFS - Enable ROMFS filesystem support
+CONFIG_FS_FAT=y
+CONFIG_FS_ROMFS=n
+
+#
+# SPI-based MMC/SD driver
+#
+# CONFIG_MMCSD_NSLOTS
+#   Number of MMC/SD slots supported by the driver
+# CONFIG_MMCSD_READONLY
+#   Provide read-only access (default is read/write)
+CONFIG_MMCSD_NSLOTS=1
+CONFIG_MMCSD_READONLY=n
+
+#
+# TCP/IP and UDP support via uIP
+# CONFIG_NET - Enable or disable all network features
+# CONFIG_NET_IPv6 - Build in support for IPv6
+# CONFIG_NSOCKET_DESCRIPTORS - Maximum number of socket descriptors per task/thread.
+# CONFIG_NET_SOCKOPTS - Enable or disable support for socket options
+# CONFIG_NET_BUFSIZE - uIP buffer size
+# CONFIG_NET_TCP - TCP support on or off
+# CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
+# CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
+# CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
+# CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
+# CONFIG_NET_UDP - UDP support on or off
+# CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
+# CONFIG_NET_UDP_CONNS - The maximum amount of concurrent UDP connections
+# CONFIG_NET_ICMP - ICMP ping response support on or off
+# CONFIG_NET_ICMP_PING - ICMP ping request support on or off
+# CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address
+# CONFIG_NET_STATISTICS - uIP statistics on or off
+# CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window
+# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
+# CONFIG_NET_BROADCAST - Broadcast support
+# CONFIG_NET_LLH_LEN - The link level header length
+# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
+#
+CONFIG_NET=n
+CONFIG_NET_IPv6=n
+CONFIG_NSOCKET_DESCRIPTORS=0
+CONFIG_NET_SOCKOPTS=y
+CONFIG_NET_BUFSIZE=420
+CONFIG_NET_TCP=n
+CONFIG_NET_TCP_CONNS=40
+CONFIG_NET_MAX_LISTENPORTS=40
+CONFIG_NET_UDP=n
+CONFIG_NET_UDP_CHECKSUMS=y
+#CONFIG_NET_UDP_CONNS=10
+CONFIG_NET_ICMP=n
+CONFIG_NET_ICMP_PING=n
+#CONFIG_NET_PINGADDRCONF=0
+CONFIG_NET_STATISTICS=y
+#CONFIG_NET_RECEIVE_WINDOW=
+#CONFIG_NET_ARPTAB_SIZE=8
+CONFIG_NET_BROADCAST=n
+#CONFIG_NET_LLH_LEN=14
+#CONFIG_NET_FWCACHE_SIZE=2
+
+#
+# UIP Network Utilities
+# CONFIG_NET_DHCP_LIGHT - Reduces size of DHCP
+# CONFIG_NET_RESOLV_ENTRIES - Number of resolver entries
+#
+CONFIG_NET_DHCP_LIGHT=n
+CONFIG_NET_RESOLV_ENTRIES=4
+
+#
+# Settings for examples/uip
+#
+CONFIG_EXAMPLE_UIP_IPADDR=(10<<24|0<<16|0<<8|2)
+CONFIG_EXAMPLE_UIP_DRIPADDR=(10<<24|0<<16|0<<8|1)
+CONFIG_EXAMPLE_UIP_NETMASK=(255<<24|255<<16|255<<8|0)
+CONFIG_EXAMPLE_UIP_DHCPC=n
+
+#
+# Settings for examples/nettest
+CONFIG_EXAMPLE_NETTEST_SERVER=n
+CONFIG_EXAMPLE_NETTEST_PERFORMANCE=n
+CONFIG_EXAMPLE_NETTEST_NOMAC=n
+CONFIG_EXAMPLE_NETTEST_IPADDR=(10<<24|0<<16|0<<8|2)
+CONFIG_EXAMPLE_NETTEST_DRIPADDR=(10<<24|0<<16|0<<8|1)
+CONFIG_EXAMPLE_NETTEST_NETMASK=(255<<24|255<<16|255<<8|0)
+CONFIG_EXAMPLE_NETTEST_CLIENTIP=(10<<24|0<<16|0<<8|1)
+
+#
+# Settings for examples/ostest
+#
+CONFIG_EXAMPLES_OSTEST_LOOPS=1
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=2048
+CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
+
+#
+# Settings for examples/nsh
+#
+# CONFIG_EXAMPLES_NSH_FILEIOSIZE - Size of a static I/O buffer
+# CONFIG_EXAMPLES_NSH_STRERROR - Use strerror(errno)
+# CONFIG_EXAMPLES_NSH_LINELEN - Maximum length of one command line
+# CONFIG_EXAMPLES_NSH_STACKSIZE - Stack size to use for new threads.
+# CONFIG_EXAMPLES_NSH_NESTDEPTH - Max number of nested if-then[-else]-fi
+# CONFIG_EXAMPLES_NSH_DISABLESCRIPT - Disable scripting support
+# CONFIG_EXAMPLES_NSH_DISABLEBG - Disable background commands
+# CONFIG_EXAMPLES_NSH_ROMFSETC - Use startup script in /etc
+# CONFIG_EXAMPLES_NSH_CONSOLE - Use serial console front end
+# CONFIG_EXAMPLES_NSH_TELNET - Use telnetd console front end
+#
+# If CONFIG_EXAMPLES_NSH_TELNET is selected:
+# CONFIG_EXAMPLES_NSH_IOBUFFER_SIZE -- Telnetd I/O buffer size
+# CONFIG_EXAMPLES_NSH_DHCPC - Obtain address using DHCP
+# CONFIG_EXAMPLES_NSH_IPADDR - Provides static IP address
+# CONFIG_EXAMPLES_NSH_DRIPADDR - Provides static router IP address
+# CONFIG_EXAMPLES_NSH_NETMASK - Provides static network mask
+# CONFIG_EXAMPLES_NSH_NOMAC - Use a bogus MAC address
+#
+# If CONFIG_EXAMPLES_NSH_ROMFSETC is selected:
+# CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT - ROMFS mountpoint
+# CONFIG_EXAMPLES_NSH_INITSCRIPT - Relative path to init script
+# CONFIG_EXAMPLES_NSH_ROMFSDEVNO - ROMFS RAM device minor
+# CONFIG_EXAMPLES_NSH_ROMFSSECTSIZE - ROMF sector size
+# CONFIG_EXAMPLES_NSH_FATDEVNO - FAT FS RAM device minor
+# CONFIG_EXAMPLES_NSH_FATSECTSIZE - FAT FS sector size
+# CONFIG_EXAMPLES_NSH_FATNSECTORS - FAT FS number of sectors
+# CONFIG_EXAMPLES_NSH_FATMOUNTPT - FAT FS mountpoint
+#
+CONFIG_EXAMPLES_NSH_FILEIOSIZE=512
+CONFIG_EXAMPLES_NSH_STRERROR=n
+CONFIG_EXAMPLES_NSH_LINELEN=64
+CONFIG_EXAMPLES_NSH_STACKSIZE=2048
+CONFIG_EXAMPLES_NSH_NESTDEPTH=3
+CONFIG_EXAMPLES_NSH_DISABLESCRIPT=n
+CONFIG_EXAMPLES_NSH_DISABLEBG=n
+CONFIG_EXAMPLES_NSH_ROMFSETC=n
+CONFIG_EXAMPLES_NSH_CONSOLE=y
+CONFIG_EXAMPLES_NSH_TELNET=n
+CONFIG_EXAMPLES_NSH_IOBUFFER_SIZE=512
+CONFIG_EXAMPLES_NSH_DHCPC=n
+CONFIG_EXAMPLES_NSH_NOMAC=n
+CONFIG_EXAMPLES_NSH_IPADDR=(10<<24|0<<16|0<<8|2)
+CONFIG_EXAMPLES_NSH_DRIPADDR=(10<<24|0<<16|0<<8|1)
+CONFIG_EXAMPLES_NSH_NETMASK=(255<<24|255<<16|255<<8|0)
+CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT="/etc"
+CONFIG_EXAMPLES_NSH_INITSCRIPT="init.d/rcS"
+CONFIG_EXAMPLES_NSH_ROMFSDEVNO=0
+CONFIG_EXAMPLES_NSH_ROMFSSECTSIZE=64
+CONFIG_EXAMPLES_NSH_FATDEVNO=1
+CONFIG_EXAMPLES_NSH_FATSECTSIZE=512
+CONFIG_EXAMPLES_NSH_FATNSECTORS=1024
+CONFIG_EXAMPLES_NSH_FATMOUNTPT=/tmp
+
+#
+# Stack and heap information
+#
+# CONFIG_BOOT_RUNFROMFLASH - Some configurations support XIP
+#   operation from FLASH but must copy initialized .data sections to RAM.
+#   (should also be =n for the Eagle100 which always runs from flash)
+# CONFIG_BOOT_COPYTORAM -  Some configurations boot in FLASH
+#   but copy themselves entirely into RAM for better performance.
+# CONFIG_CUSTOM_STACK - The up_ implementation will handle
+#   all stack operations outside of the nuttx model.
+# CONFIG_STACK_POINTER - The initial stack pointer (arm7tdmi only)
+# CONFIG_IDLETHREAD_STACKSIZE - The size of the initial stack.
+#  This is the thread that (1) performs the inital boot of the system up
+#  to the point where user_start() is spawned, and (2) there after is the
+#  IDLE thread that executes only when there is no other thread ready to
+#  run.
+# CONFIG_USERMAIN_STACKSIZE - The size of the stack to allocate
+#  for the main user thread that begins at the user_start() entry point.
+# CONFIG_PTHREAD_STACK_MIN - Minimum pthread stack size
+# CONFIG_PTHREAD_STACK_DEFAULT - Default pthread stack size
+# CONFIG_HEAP_BASE - The beginning of the heap
+# CONFIG_HEAP_SIZE - The size of the heap
+#
+CONFIG_BOOT_RUNFROMFLASH=n
+CONFIG_BOOT_COPYTORAM=n
+CONFIG_CUSTOM_STACK=n
+CONFIG_STACK_POINTER=
+CONFIG_IDLETHREAD_STACKSIZE=1024
+CONFIG_USERMAIN_STACKSIZE=2048
+CONFIG_PTHREAD_STACK_MIN=256
+CONFIG_PTHREAD_STACK_DEFAULT=2048
+CONFIG_HEAP_BASE=
+CONFIG_HEAP_SIZE=
diff --git a/nuttx/configs/eagle100/nsh/ld.script b/nuttx/configs/eagle100/nsh/ld.script
new file mode 100644
index 000000000..39f16f9d2
--- /dev/null
+++ b/nuttx/configs/eagle100/nsh/ld.script
@@ -0,0 +1,97 @@
+/****************************************************************************
+ * configs/eagle100/nsh/ld.script
+ *
+ *   Copyright (C) 2009 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 LM3S6918 has 256Kb of FLASH beginning at address 0x0000:0000. However,
+ * if the the Eagle100 Ethernet bootloader is used, then the entry point must
+ * be at the following offset in FLASH (and the size of the FLASH must be
+ * reduced to 248Kb):
+ */
+
+MEMORY
+{
+/*  flash (rx) : ORIGIN = 0x00000000, LENGTH = 256K */
+    flash (rx) : ORIGIN = 0x00002000, LENGTH = 248K
+    sram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
+}
+
+OUTPUT_ARCH(arm)
+ENTRY(_stext)
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		*(.text)
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata)
+		*(.rodata.str1.1)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.got)			/* Global offset table		*/
+		_etext = ABSOLUTE(.);
+	} > flash
+
+	_eronly = ABSOLUTE(.);		/* See below                    */
+
+	/* The LM3S6918 has 64Kb of SRAM beginning at the following address */
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.bss : {			/* BSS				*/
+		_sbss = ABSOLUTE(.);
+		*(.bss)
+		*(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) }
+}
diff --git a/nuttx/configs/eagle100/nsh/setenv.sh b/nuttx/configs/eagle100/nsh/setenv.sh
new file mode 100755
index 000000000..3b9ef57d0
--- /dev/null
+++ b/nuttx/configs/eagle100/nsh/setenv.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# configs/eagle100/nsh/setenv.sh
+#
+#   Copyright (C) 2009 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 BUILDROOT_BIN=${WD}/../buildroot/build_arm_nofpu/staging_dir/bin
+export PATH=${BUILDROOT_BIN}:/sbin:/usr/sbin:${PATH_ORIG}
+
+echo "PATH : ${PATH}"