9 files changed, 1069 insertions, 0 deletions
diff --git a/nuttx/configs/lm3s8962-ek/src/Makefile b/nuttx/configs/lm3s8962-ek/src/Makefile
new file mode 100755
index 000000000..8c5d10bc4
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/Makefile
@@ -0,0 +1,90 @@
+############################################################################
+# configs/lm3s8962-ek/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		= 
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+CSRCS		= up_boot.c up_leds.c up_ethernet.c up_ssi.c
+ifeq ($(CONFIG_EXAMPLES_NSH_ARCHINIT),y)
+CSRCS		+= up_nsh.c
+endif
+ifeq ($(CONFIG_NX_LCDDRIVER),y)
+CSRCS		+= up_oled.c
+endif
+
+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
diff --git a/nuttx/configs/lm3s8962-ek/src/README.txt b/nuttx/configs/lm3s8962-ek/src/README.txt
new file mode 100755
index 000000000..a84733cc0
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/README.txt
@@ -0,0 +1 @@
+This directory contains drivers unique to the Stellaris LM3S8962 Evaluation Kit.
diff --git a/nuttx/configs/lm3s8962-ek/src/lm3s8962ek_internal.h b/nuttx/configs/lm3s8962-ek/src/lm3s8962ek_internal.h
new file mode 100755
index 000000000..0c21e5d4b
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/lm3s8962ek_internal.h
@@ -0,0 +1,136 @@
+/************************************************************************************
+ * configs/lm3s8962-ek/src/lm3s8962ek_internal.h
+ * arch/arm/src/board/lm3s8962ek_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_LM3S8962_EK_SRC_LM3S8962EK_INTERNAL_H
+#define __CONFIGS_LM3S8962_EK_SRC_LM3S8962EK_INTERNAL_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+
+#include "chip.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* How many SSI modules does this chip support? The LM3S8962 supports 1 SSI
+ * module (others may support more than 2 -- in such case, the following must be
+ * expanded).
+ */
+
+#if LM3S_NSSI == 0
+#  undef CONFIG_SSI0_DISABLE
+#  define CONFIG_SSI0_DISABLE 1
+#  undef CONFIG_SSI1_DISABLE
+#  define CONFIG_SSI1_DISABLE 1
+#elif LM3S_NSSI == 1
+#  undef CONFIG_SSI1_DISABLE
+#  define CONFIG_SSI1_DISABLE 1
+#endif
+
+/* LM3S8962 Eval Kit ***************************************************************/
+
+/* GPIO Usage
+ *
+ * PIN SIGNAL      EVB Function
+ * --- ----------- ---------------------------------------
+ *  26 PA0/U0RX    Virtual COM port receive
+ *  27 PA1/U0TX    Virtual COM port transmit
+ *  10 PD0/IDX0    SD card chip select
+ *  11 PD1/PWM1    Sound
+ *  30 PA4/SSI0RX  SD card data out
+ *  31 PA5/SSI0TX  SD card and OLED display data in
+ *  28 PA2/SSI0CLK SD card and OLED display clock
+ *  22 PC7/PHB0    OLED display data/control select
+ *  29 PA3/SSI0FSS OLED display chip select
+ *  73 PE1/PWM5    Down switch
+ *  74 PE2/PHB1    Left switch
+ *  72 PE0/PWM4    Up switch
+ *  75 PE3/PHA1    Right switch
+ *  61 PF1/IDX1    Select switch
+ *  47 PF0/PWM0    User LED
+ *  23 PC6/CCP3    Enable +15 V
+ */
+
+/* GPIO for microSD card chip select:
+ * - PD0: SD card chip select (CARDCSn)
+ */
+
+#define SDCCS_GPIO  (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
+                     GPIO_VALUE_ONE | GPIO_PORTD | 0)
+
+/* GPIO for single LED:
+ * - PF0: User LED
+ */
+
+#define LED_GPIO    (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTF | 0)
+
+/* GPIOs for OLED:
+ *  - PC7: OLED display data/control select (D/Cn)
+ *  - PA3: OLED display chip select (CSn)
+ *  - PC6: Enable +15V needed by OLED (EN+15V)
+ */
+
+#define OLEDDC_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
+                     GPIO_VALUE_ONE | GPIO_PORTC | 7)
+#define OLEDCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
+                     GPIO_VALUE_ONE | GPIO_PORTA | 3)
+#define OLEDEN_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
+                     GPIO_VALUE_ONE | GPIO_PORTC | 6)
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/************************************************************************************
+ * Name: lm3s_ssiinitialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the LM3S8962 Eval Kit.
+ *
+ ************************************************************************************/
+
+extern void weak_function lm3s_ssiinitialize(void);
+
+#endif /* __ASSEMBLY__ */
+#endif /* __CONFIGS_LM3S8962_EK_SRC_LM3S8962EK_INTERNAL_H */
+
diff --git a/nuttx/configs/lm3s8962-ek/src/up_boot.c b/nuttx/configs/lm3s8962-ek/src/up_boot.c
new file mode 100755
index 000000000..2992b00c1
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/up_boot.c
@@ -0,0 +1,92 @@
+/************************************************************************************
+ * configs/lm3s8962-ek/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 "lm3s8962ek_internal.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: lm3s_boardinitialize
+ *
+ * Description:
+ *   All LM3S 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 lm3s_boardinitialize(void)
+{
+  /* Configure SPI chip selects if 1) SSI is not disabled, and 2) the weak function
+   * lm3s_ssiinitialize() has been brought into the link.
+   */
+
+  /* The LM3S8962 Eval Kit microSD CS and OLED are on SSI0 (Duh! There is no SSI1) */
+
+#if !defined(CONFIG_SSI0_DISABLE) /* || !defined(CONFIG_SSI1_DISABLE) */
+  if (lm3s_ssiinitialize)
+    {
+      lm3s_ssiinitialize();
+    }
+#endif
+
+  /* Configure on-board LEDs if LED support has been selected. */
+
+#ifdef CONFIG_ARCH_LEDS
+  up_ledinit();
+#endif
+}
diff --git a/nuttx/configs/lm3s8962-ek/src/up_ethernet.c b/nuttx/configs/lm3s8962-ek/src/up_ethernet.c
new file mode 100755
index 000000000..457e56091
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/up_ethernet.c
@@ -0,0 +1,98 @@
+/************************************************************************************
+ * configs/lm3s8962-ek/src/up_ethernet.c
+ * arch/arm/src/board/up_ethernet.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 <debug.h>
+#include <assert.h>
+
+#include <arch/board/board.h>
+#include <net/ethernet.h>
+
+#include "up_arch.h"
+#include "chip.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: lm3s_ethernetmac
+ *
+ * Description:
+ *   For the Ethernet Eval Kits, the MAC address will be stored in the non-volatile
+ *   USER0 and USER1 registers.  If CONFIG_LM3S_BOARDMAC is defined, this function
+ *   will obtain the MAC address from these registers.
+ *
+ ************************************************************************************/
+
+#ifdef CONFIG_LM3S_BOARDMAC
+void lm3s_ethernetmac(struct ether_addr *ethaddr)
+{
+  uint32_t user0;
+  uint32_t user1;
+
+  /* Get the current value of the user registers */
+
+  user0 = getreg32(LM3S_FLASH_USERREG0);
+  user1 = getreg32(LM3S_FLASH_USERREG1);
+
+  nlldbg("user: %06x:%06x\n", user1 & 0x00ffffff, user0 & 0x00ffffff);
+  DEBUGASSERT(user0 != 0xffffffff && user1 != 0xffffffff);
+
+  /* Re-format that MAC address the way that uIP expects to see it */
+
+  ethaddr->ether_addr_octet[0] = ((user0 >>  0) & 0xff);
+  ethaddr->ether_addr_octet[1] = ((user0 >>  8) & 0xff);
+  ethaddr->ether_addr_octet[2] = ((user0 >> 16) & 0xff);
+  ethaddr->ether_addr_octet[3] = ((user1 >>  0) & 0xff);
+  ethaddr->ether_addr_octet[4] = ((user1 >>  8) & 0xff);
+  ethaddr->ether_addr_octet[5] = ((user1 >> 16) & 0xff);
+}
+#endif
diff --git a/nuttx/configs/lm3s8962-ek/src/up_leds.c b/nuttx/configs/lm3s8962-ek/src/up_leds.c
new file mode 100755
index 000000000..1592168d7
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/up_leds.c
@@ -0,0 +1,167 @@
+/****************************************************************************
+ * configs/lm3s8962-ek/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 <stdbool.h>
+#include <debug.h>
+
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "up_arch.h"
+#include "up_internal.h"
+#include "lm3s_internal.h"
+#include "lm3s8962ek_internal.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Enables debug output from this file (needs CONFIG_DEBUG with
+ * CONFIG_DEBUG_VERBOSE too)
+ */
+
+#undef LED_DEBUG  /* Define to enable debug */
+
+#ifdef LED_DEBUG
+#  define leddbg  lldbg
+#  define ledvdbg llvdbg
+#else
+#  define leddbg(x...)
+#  define ledvdbg(x...)
+#endif
+
+/* Dump GPIO registers */
+
+#ifdef LED_DEBUG
+#  define led_dumpgpio(m) lm3s_dumpgpio(LED_GPIO, m)
+#else
+#  define led_dumpgpio(m)
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+static uint8_t g_nest;
+
+/****************************************************************************
+ * Name: up_ledinit
+ ****************************************************************************/
+
+#ifdef CONFIG_ARCH_LEDS
+void up_ledinit(void)
+{
+  leddbg("Initializing\n");
+
+  /* Configure Port E, Bit 1 as an output, initial value=OFF */
+
+  led_dumpgpio("up_ledinit before lm3s_configgpio()");
+  lm3s_configgpio(LED_GPIO);
+  led_dumpgpio("up_ledinit after lm3s_configgpio()");
+  g_nest = 0;
+}
+
+/****************************************************************************
+ * Name: up_ledon
+ ****************************************************************************/
+
+void up_ledon(int led)
+{
+  switch (led)
+    {
+      case LED_STARTED:
+      case LED_HEAPALLOCATE:
+      default:
+        break;
+
+      case LED_INIRQ:
+      case LED_SIGNAL:
+      case LED_ASSERTION:
+      case LED_PANIC:
+        g_nest++;
+      case LED_IRQSENABLED:
+      case LED_STACKCREATED:
+        led_dumpgpio("up_ledon: before lm3s_gpiowrite()");
+        lm3s_gpiowrite(LED_GPIO, false);
+        led_dumpgpio("up_ledon: after lm3s_gpiowrite()");
+        break;
+    }
+}
+
+/****************************************************************************
+ * Name: up_ledoff
+ ****************************************************************************/
+
+void up_ledoff(int led)
+{
+  switch (led)
+    {
+      case LED_IRQSENABLED:
+      case LED_STACKCREATED:
+      case LED_STARTED:
+      case LED_HEAPALLOCATE:
+      default:
+        break;
+
+      case LED_INIRQ:
+      case LED_SIGNAL:
+      case LED_ASSERTION:
+      case LED_PANIC:
+        if (--g_nest <= 0)
+          {
+            led_dumpgpio("up_ledoff: before lm3s_gpiowrite()");
+            lm3s_gpiowrite(LED_GPIO, true);
+            led_dumpgpio("up_ledoff: after lm3s_gpiowrite()");
+          }
+        break;
+    }
+}
+
+#endif /* CONFIG_ARCH_LEDS */
diff --git a/nuttx/configs/lm3s8962-ek/src/up_nsh.c b/nuttx/configs/lm3s8962-ek/src/up_nsh.c
new file mode 100755
index 000000000..999013b13
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/up_nsh.c
@@ -0,0 +1,159 @@
+/****************************************************************************
+ * config/lm3s8962-ek/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_LM3S8962EK
+#  undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
+#  define CONFIG_EXAMPLES_NSH_HAVEMMCSD  1
+#  if !defined(CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO) || CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO != 0
+#    error "The LM3S8962 Eval Kit MMC/SD is on SSI0"
+#    undef CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO
+#    define CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO 0
+#  endif
+#  if !defined(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO) || CONFIG_EXAMPLES_NSH_MMCSDSLOTNO != 0
+#    error "The LM3S8962 Eval Kit MMC/SD is on SSI0 slot 0"
+#    undef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO
+#    define CONFIG_EXAMPLES_NSH_MMCSDSLOTNO 0
+#  endif
+#else
+   /* Add configuration for new LM3s boards here */
+#  error "Unrecognized lm3s board"
+#  undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
+#  undef CONFIG_EXAMPLES_NSH_HAVEMMCSD
+#endif
+
+/* Can't support USB features if USB is not enabled */
+
+#ifndef CONFIG_USBDEV
+#  undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
+#endif
+
+/* Can't support MMC/SD features if mountpoints are disabled */
+
+#if defined(CONFIG_DISABLE_MOUNTPOINT)
+#  undef CONFIG_EXAMPLES_NSH_HAVEMMCSD
+#endif
+
+#ifndef CONFIG_EXAMPLES_NSH_MMCSDMINOR
+#  define CONFIG_EXAMPLES_NSH_MMCSDMINOR 0
+#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)
+{
+  FAR struct spi_dev_s *spi;
+  int ret;
+
+  /* Get the SPI port */
+
+  message("nsh_archinitialize: Initializing SPI port %d\n",
+          CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO);
+
+  spi = up_spiinitialize(CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO);
+  if (!spi)
+    {
+      message("nsh_archinitialize: Failed to initialize SPI port %d\n",
+              CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO);
+      return -ENODEV;
+    }
+
+  message("nsh_archinitialize: Successfully initialized SPI port %d\n",
+          CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO);
+
+  /* Bind the SPI port to the slot */
+
+  message("nsh_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
+          CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
+
+  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_NSH_MMCSDMINOR, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO, spi);
+  if (ret < 0)
+    {
+      message("nsh_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
+              CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO, ret);
+      return ret;
+    }
+
+  message("nsh_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
+          CONFIG_EXAMPLES_NSH_MMCSDSPIPORTNO, CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
+  return OK;
+}
diff --git a/nuttx/configs/lm3s8962-ek/src/up_oled.c b/nuttx/configs/lm3s8962-ek/src/up_oled.c
new file mode 100755
index 000000000..1dd024356
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/up_oled.c
@@ -0,0 +1,162 @@
+/****************************************************************************
+ * config/lm3s8962-ek/src/up_oled.c
+ * arch/arm/src/board/up_oled.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/lcd.h>
+#include <nuttx/p14201.h>
+
+#include "lm3s_internal.h"
+#include "lm3s8962ek_internal.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* Define the CONFIG_LCD_RITDEBUG to enable detailed debug output (stuff you
+ * would never want to see unless you are debugging this file).
+ *
+ * Verbose debug must also be enabled
+ */
+
+#ifndef CONFIG_DEBUG
+#  undef CONFIG_DEBUG_VERBOSE
+#  undef CONFIG_DEBUG_GRAPHICS
+#endif
+
+#ifndef CONFIG_DEBUG_VERBOSE
+#  undef CONFIG_LCD_RITDEBUG
+#endif
+
+#ifdef CONFIG_LCD_RITDEBUG
+#  define ritdbg(format, arg...)  vdbg(format, ##arg)
+#  define oleddc_dumpgpio(m) lm3s_dumpgpio(OLEDDC_GPIO, m)
+#  define oledcs_dumpgpio(m) lm3s_dumpgpio(OLEDCS_GPIO, m)
+#else
+#  define ritdbg(x...)
+#  define oleddc_dumpgpio(m)
+#  define oledcs_dumpgpio(m)
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_nxdrvinit
+ *
+ * Description:
+ *   Called NX initialization logic to configure the OLED.
+ *
+ ****************************************************************************/
+
+FAR struct lcd_dev_s *up_nxdrvinit(unsigned int devno)
+{
+  FAR struct spi_dev_s *spi;
+  FAR struct lcd_dev_s *dev;
+
+  /* Configure the OLED GPIOs */
+
+  oledcs_dumpgpio("up_nxdrvinit: After OLEDCS setup");
+  oleddc_dumpgpio("up_nxdrvinit: On entry");
+
+  lm3s_configgpio(OLEDDC_GPIO); /* PC7: OLED display data/control select (D/Cn) */
+  lm3s_configgpio(OLEDEN_GPIO); /* PC6: Enable +15V needed by OLED (EN+15V) */
+
+  oleddc_dumpgpio("up_nxdrvinit: After OLEDDC/EN setup");
+
+  /* Get the SSI port (configure as a Freescale SPI port) */
+
+  spi = up_spiinitialize(0);
+  if (!spi)
+    {
+      glldbg("Failed to initialize SSI port 0\n");
+    }
+  else
+    {
+      /* Bind the SSI port to the OLED */
+
+      dev = rit_initialize(spi, devno);
+      if (!dev)
+        {
+          glldbg("Failed to bind SSI port 0 to OLED %d: %d\n", devno);
+        }
+     else
+        {
+          gllvdbg("Bound SSI port 0 to OLED %d\n", devno);
+
+          /* And turn the OLED on (CONFIG_LCD_MAXPOWER should be 1) */
+
+          (void)dev->setpower(dev, CONFIG_LCD_MAXPOWER);
+          return dev;
+        }
+    }
+  return NULL;
+}
+
+/******************************************************************************
+ * Name:  rit_seldata
+ *
+ * Description:
+ *   Set or clear the SD1329 D/Cn bit to select data (true) or command
+ *   (false).  This function must be provided by platform-specific logic.
+ *
+ * Input Parameters:
+ *
+ *   devno - A value in the range of 0 throuh CONFIG_P14201_NINTERFACES-1.
+ *           This allows support for multiple OLED devices.
+ *   data - true: select data; false: select command
+ *
+ * Returned Value:
+ *   None
+ *
+ ******************************************************************************/
+
+void rit_seldata(unsigned int devno, bool data)
+{
+  /* Set GPIO to 1 for data, 0 for command */
+
+  lm3s_gpiowrite(OLEDDC_GPIO, data);
+}
diff --git a/nuttx/configs/lm3s8962-ek/src/up_ssi.c b/nuttx/configs/lm3s8962-ek/src/up_ssi.c
new file mode 100755
index 000000000..27899b5bf
--- /dev/null
+++ b/nuttx/configs/lm3s8962-ek/src/up_ssi.c
@@ -0,0 +1,164 @@
+/************************************************************************************
+ * configs/lm3s8962-ek/src/up_ssi.c
+ * arch/arm/src/board/up_ssi.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 <nuttx/spi.h>
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+#include "chip.h"
+#include "lm3s_internal.h"
+#include "lm3s8962ek_internal.h"
+
+/* The LM3S8962 Eval Kit microSD CS is on SSI0 */
+
+#if !defined(CONFIG_SSI0_DISABLE) /* || !defined(CONFIG_SSI1_DISABLE) */
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* Enables debug output from this file (needs CONFIG_DEBUG too) */
+
+#undef SSI_DEBUG   /* Define to enable debug */
+#undef SSI_VERBOSE /* Define to enable verbose debug */
+
+#ifdef SSI_DEBUG
+#  define ssidbg  lldbg
+#  ifdef SSI_VERBOSE
+#    define ssivdbg lldbg
+#  else
+#    define ssivdbg(x...)
+#  endif
+#else
+#  undef SSI_VERBOSE
+#  define ssidbg(x...)
+#  define ssivdbg(x...)
+#endif
+
+/* Dump GPIO registers */
+
+#ifdef SSI_VERBOSE
+#  define ssi_dumpgpio(m) lm3s_dumpgpio(SDCCS_GPIO, m)
+#else
+#  define ssi_dumpgpio(m)
+#endif
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: lm3s_ssiinitialize
+ *
+ * Description:
+ *   Called to configure SPI chip select GPIO pins for the LM3S8962 Eval Kit.
+ *
+ ************************************************************************************/
+
+void weak_function lm3s_ssiinitialize(void)
+{
+  /* Configure the SPI-based microSD CS GPIO */
+
+  ssi_dumpgpio("lm3s_ssiinitialize() Entry)");
+  lm3s_configgpio(SDCCS_GPIO);
+#ifdef CONFIG_NX_LCDDRIVER
+  lm3s_configgpio(OLEDCS_GPIO);
+#endif
+  ssi_dumpgpio("lm3s_ssiinitialize() Exit");
+}
+
+/****************************************************************************
+ * The external functions, lm3s_spiselect and lm3s_spistatus must be provided
+ * by board-specific logic.  The are implementations of the select and status
+ * methods SPI interface defined by struct spi_ops_s (see include/nuttx/spi.h).
+ * All othermethods (including up_spiinitialize()) are provided by common
+ * logic.  To use this common SPI logic on your board:
+ *
+ *   1. Provide lm3s_spiselect() and lm3s_spistatus() functions in your
+ *      board-specific logic.  This function will perform chip selection and
+ *      status operations using GPIOs in the way your board is configured.
+ *   2. Add a call to up_spiinitialize() in your low level initialization
+ *      logic
+ *   3. The handle returned by up_spiinitialize() may then be used to bind the
+ *      SPI driver to higher level logic (e.g., calling 
+ *      mmcsd_spislotinitialize(), for example, will bind the SPI driver to
+ *      the SPI MMC/SD driver).
+ *
+ ****************************************************************************/
+
+void lm3s_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected)
+{
+  ssidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
+  ssi_dumpgpio("lm3s_spiselect() Entry");
+
+  if (devid == SPIDEV_MMCSD)
+    {
+      /* Assert the CS pin to the card */
+
+      lm3s_gpiowrite(SDCCS_GPIO, !selected);
+    }
+#ifdef CONFIG_NX_LCDDRIVER
+  else if (devid == SPIDEV_DISPLAY)
+    {
+      /* Assert the CS pin to the display */
+
+      lm3s_gpiowrite(OLEDCS_GPIO, !selected);
+    }
+#endif
+  ssi_dumpgpio("lm3s_spiselect() Exit");
+}
+
+uint8_t lm3s_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
+{
+  ssidbg("Returning SPI_STATUS_PRESENT\n");
+  return SPI_STATUS_PRESENT;
+}
+
+#endif /* !CONFIG_SSI0_DISABLE || !CONFIG_SSI1_DISABLE */