Remove support for EFM32. Not ready to be fielded

20 files changed, 2 insertions, 2619 deletions

diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index f8fb87e19..2dc61edcb 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -6521,4 +6521,6 @@
 	* arch/x86/src/qemu-i486/gemu_head.S:  Patch from Matt Campbell
 	  to fix 'Error: .size expression for idle_stack does not evaluate to
 	  a constant" (2014-1-25).
+	* arch/arm/include/efm32, arch/arm/src/efm32, and configs/efm32-dk360:
+	  Removed all EFM32 support.  Not yet readyto be fielded (2014-1-17).
 
diff --git a/nuttx/arch/arm/include/efm32/chip.h b/nuttx/arch/arm/include/efm32/chip.h
deleted file mode 100644
index b0d2a2ac5..000000000
--- a/nuttx/arch/arm/include/efm32/chip.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/************************************************************************************
- * arch/arm/include/efm32/chip.h
- *
- *   Copyright (C) 2014 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.
- *
- ************************************************************************************/
-
-#ifndef __ARCH_ARM_INCLUDE_EFM32_CHIP_H
-#define __ARCH_ARM_INCLUDE_EFM32_CHIP_H
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <arch/efm32/irq.h>
-
-/************************************************************************************
- * Pre-processor Definitions
- ************************************************************************************/
-
-#define NVIC_SYSH_PRIORITY_MIN     0xe0 /* Bits [7:5] set in minimum priority */
-#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
-#define NVIC_SYSH_PRIORITY_MAX     0x00 /* Zero is maximum priority */
-#define NVIC_SYSH_PRIORITY_STEP    0x20 /* Three bits of interrupt priority used */
-
-#endif /* __ARCH_ARM_INCLUDE_EFM32_CHIP_H */
diff --git a/nuttx/arch/arm/include/efm32/irq.h b/nuttx/arch/arm/include/efm32/irq.h
deleted file mode 100644
index c891e3c0f..000000000
--- a/nuttx/arch/arm/include/efm32/irq.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/************************************************************************************
- * arch/arm/include/efm32s/irq.h
- *
- *   Copyright (C) 2014 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.
- *
- ************************************************************************************/
- 
-#ifndef __ARCH_ARM_INCLUDE_EFM32_IRQ_H
-#define __ARCH_ARM_INCLUDE_EFM32_IRQ_H
-
-/************************************************************************************
- * Pre-processor Definitions
- ************************************************************************************/
-
-#define EFM32_IRQ_RESERVED       (0) /* Reserved vector (only used with CONFIG_DEBUG) */
-                                     /* Vector  0: Reset stack pointer value */
-                                     /* Vector  1: Reset (not handler as an IRQ) */
-#define EFM32_IRQ_NMI            (2) /* Vector  2: Non-Maskable Interrupt (NMI) */
-#define EFM32_IRQ_HARDFAULT      (3) /* Vector  3: Hard fault */
-#define EFM32_IRQ_MEMFAULT       (4) /* Vector  4: Memory management (MPU) */
-#define EFM32_IRQ_BUSFAULT       (5) /* Vector  5: Bus fault */
-#define EFM32_IRQ_USAGEFAULT     (6) /* Vector  6: Usage fault */
-#define EFM32_IRQ_SVCALL        (11) /* Vector 11: SVC call */
-#define EFM32_IRQ_DBGMONITOR    (12) /* Vector 12: Debug Monitor */
-                                     /* Vector 13: Reserved */
-#define EFM32_IRQ_PENDSV        (14) /* Vector 14: Pendable system service request */
-#define EFM32_IRQ_SYSTICK       (15) /* Vector 15: System tick */
-
-/* External interrupts (vectors >= 16).  These definitions are chip-specific */
-
-#define EFM32_IRQ_INTERRUPTS    (16) /* Vector number of the first external interrupt */
-
-#define ARMV7M_PERIPHERAL_INTERRUPTS 38
-
-#define NR_IRQS (16 + ARMV7M_PERIPHERAL_INTERRUPTS)
-
-#endif /* __ARCH_ARM_INCLUDE_EFM32_IRQ_H */
diff --git a/nuttx/arch/arm/src/efm32/Kconfig b/nuttx/arch/arm/src/efm32/Kconfig
deleted file mode 100644
index 280decd87..000000000
--- a/nuttx/arch/arm/src/efm32/Kconfig
+++ /dev/null
@@ -1,52 +0,0 @@
-#
-# arch/arm/src/efm32/Kconfig
-#
-
-if ARCH_CHIP_EFM32
-
-comment "EFM32 Configuration Options"
-
-config ARCH_CHIP_EFM32_EMLIB_PATH
-	string "External Energy Micro Sources"
-	default "/cygdrive/c/energymicro"
-	---help---
-		The EFM32 port uses the Energy Micro headers and their
-		emlib sources. This string defines the include path to
-		the root directory of the Energy Micro source. That
-		directory will contain the following sub-directories.
-
-		- CMSIS/Include
-		- Device/EnergyMicro/EFM32LG/Include
-		- emlib/inc
-
-		This string may be either an absolute path, or a path
-		relative to arch/arm/src.
-
-choice
-	prompt "EFM32 Chip Selection"
-	default ARCH_CHIP_EFM32LG990F256
-
-config ARCH_CHIP_EFM32LG232F128
-	bool "EFM32LG232F128"
-	select ARCH_CORTEXM3
-	---help---
-		This chip is a Leopard Gecko with 128 KB flash
-		and 32 KB RAM in a QFP64 package
-
-config ARCH_CHIP_EFM32LG990F256
-	bool "EFM32LG990F256"
-	select ARCH_CORTEXM3
-	---help---
-		This chip is a Leopard Gecko with 256 KB flash
-		and 32 KB RAM in a BGA112 package.
-
-config ARCH_CHIP_EFM32GG990F1024
-	bool "EFM32GG990F1024"
-	select ARCH_CORTEXM3
-	---help---
-		This chip is a Giant Gecko with 1024 KB flash
-		and 128 KB RAM in a BGA112 package.
-
-endchoice
-
-endif
diff --git a/nuttx/arch/arm/src/efm32/Make.defs b/nuttx/arch/arm/src/efm32/Make.defs
deleted file mode 100644
index db7924e5e..000000000
--- a/nuttx/arch/arm/src/efm32/Make.defs
+++ /dev/null
@@ -1,136 +0,0 @@
-############################################################################
-# arch/arm/src/efm32/Make.defs
-#
-#   Copyright (C) 2009, 2011-2014 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.
-#
-############################################################################
-
-ifeq ($(CONFIG_ARCH_CHIP_EFM32LG232F128),y)
-CFLAGS += -DEFM32LG232F128
-else ifeq ($(CONFIG_ARCH_CHIP_EFM32LG990F256),y)
-CFLAGS += -DEFM32LG990F256
-else ifeq ($(CONFIG_ARCH_CHIP_EFM32GG990F1024),y)
-CFLAGS += -DEFM32GG990F1024
-endif
-
-ifeq (-DEFM32LG, $(findstring -DEFM32LG,$(CFLAGS)))
-EM_INCDIR := EFM32LG
-SYSTEM_EFM32_C := system_efm32lg.c
-else ifeq (-DEFM32GG, $(findstring -DEFM32GG,$(CFLAGS)))
-EM_INCDIR := EFM32GG
-SYSTEM_EFM32_C := system_efm32gg.c
-else
-$(error unknown efm32 part)
-endif
-
-ext := $(patsubst "%",%,$(strip $(CONFIG_ARCH_CHIP_EFM32_EMLIB_PATH)))
-
-ifeq ($(WINTOOL),y)
-CFLAGS += -I"${shell cygpath -w $(ext)/CMSIS/Include}"
-CFLAGS += -I"${shell cygpath -w $(ext)/Device/EnergyMicro/$(EM_INCDIR)/Include}"
-CFLAGS += -I"${shell cygpath -w $(ext)/emlib/inc}"
-else
-CFLAGS += -I$(ext)/CMSIS/Include
-CFLAGS += -I$(ext)/Device/EnergyMicro/$(EM_INCDIR)/Include
-CFLAGS += -I$(ext)/emlib/inc
-endif
-
-VPATH += $(ext)/emlib/src
-VPATH += $(ext)/Device/EnergyMicro/$(EM_INCDIR)/Source
-
-HEAD_ASRC  =
-CMN_UASRCS =
-CMN_UCSRCS =
-
-CMN_ASRCS  = up_saveusercontext.S up_fullcontextrestore.S up_switchcontext.S
-CMN_ASRCS += up_exception.S
-CMN_ASRCS += vfork.S
-
-ifeq ($(CONFIG_ARCH_MEMCPY),y)
-CMN_ASRCS += up_memcpy.S
-endif
-
-CMN_CSRCS  = up_allocateheap.c up_assert.c up_blocktask.c up_copyfullstate.c
-CMN_CSRCS += up_createstack.c up_mdelay.c up_udelay.c up_exit.c
-CMN_CSRCS += up_initialize.c up_initialstate.c up_interruptcontext.c
-CMN_CSRCS += up_memfault.c up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c
-CMN_CSRCS += up_releasepending.c up_releasestack.c up_reprioritizertr.c
-CMN_CSRCS += up_schedulesigaction.c up_sigdeliver.c up_systemreset.c
-CMN_CSRCS += up_unblocktask.c up_usestack.c up_doirq.c up_hardfault.c
-CMN_CSRCS += up_svcall.c up_vfork.c
-CMN_CSRCS += up_vectors.c
-
-ifeq ($(CONFIG_ARCH_RAMVECTORS),y)
-CMN_CSRCS += up_ramvec_initialize.c up_ramvec_attach.c
-endif
-
-ifeq ($(CONFIG_NUTTX_KERNEL),y)
-CMN_CSRCS += up_mpu.c up_task_start.c up_pthread_start.c up_stackframe.c
-ifneq ($(CONFIG_DISABLE_SIGNALS),y)
-CMN_CSRCS += up_signal_dispatch.c
-CMN_UASRCS += up_signal_handler.S
-endif
-endif
-
-ifeq ($(CONFIG_DEBUG_STACK),y)
-CMN_CSRCS += up_checkstack.c
-endif
-
-ifeq ($(CONFIG_ELF),y)
-CMN_CSRCS += up_elf.c
-endif
-
-ifeq ($(CONFIG_ARCH_FPU),y)
-CMN_ASRCS += up_fpu.S
-ifneq ($(CONFIG_ARMV7M_CMNVECTOR),y)
-CMN_CSRCS += up_copyarmstate.c
-endif
-endif
-
-CHIP_ASRCS  = efm32_vectors.S
-
-CHIP_CSRCS = \
-efm32_irq.c \
-efm32_start.c \
-efm32_timerisr.c \
-em_cmu.c \
-em_emu.c \
-em_gpio.c \
-em_usart.c \
-$(SYSTEM_EFM32_C)
-
-ifeq ($(CONFIG_DEV_LOWCONSOLE),y)
-CHIP_CSRCS += efm32_lowputc.c
-endif
-
-ifneq ($(CONFIG_IDLE_CUSTOM),y)
-CHIP_CSRCS += efm32_idle.c
-endif
diff --git a/nuttx/arch/arm/src/efm32/chip.h b/nuttx/arch/arm/src/efm32/chip.h
deleted file mode 100644
index f564cf35c..000000000
--- a/nuttx/arch/arm/src/efm32/chip.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/************************************************************************************
- * arch/arm/src/efm32/chip.h
- *
- *   Copyright (C) 2014 Richard Cochran. All rights reserved.
- *   Author: Richard Cochran <richardcochran@gmail.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- *    used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-#ifndef __ARCH_ARM_SRC_EFM32_CHIP_H
-#define __ARCH_ARM_SRC_EFM32_CHIP_H
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-/*
- * Greg says:
- *
- * This arch/arm/src/stm32/chip.h file was a bad idea that happened a
- * long time ago.  Right now, I believe that its only required to be
- * there to provide the number of interrupt vectors.  It is included
- * by armv7-m/up_vectors.c where that value is used.
- */
-
-#include <arch/efm32/chip.h>
-
-#endif /* __ARCH_ARM_SRC_EFM32_CHIP_H */
diff --git a/nuttx/arch/arm/src/efm32/efm32_idle.c b/nuttx/arch/arm/src/efm32/efm32_idle.c
deleted file mode 100644
index 05503c7d0..000000000
--- a/nuttx/arch/arm/src/efm32/efm32_idle.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/****************************************************************************
- *  arch/arm/src/efm32/efm32_idle.c
- *
- *   Copyright (C) 2011-2012, 2014 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <arch/board/board.h>
-#include <nuttx/config.h>
-
-#include <nuttx/arch.h>
-#include <nuttx/power/pm.h>
-
-#include <arch/irq.h>
-
-#include "chip.h"
-#include "up_internal.h"
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/* Does the board support an IDLE LED to indicate that the board is in the
- * IDLE state?
- */
-
-#if defined(CONFIG_ARCH_LEDS) && defined(LED_IDLE)
-#  define BEGIN_IDLE() board_led_on(LED_IDLE)
-#  define END_IDLE()   board_led_off(LED_IDLE)
-#else
-#  define BEGIN_IDLE()
-#  define END_IDLE()
-#endif
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: up_idle
- *
- * Description:
- *   up_idle() is the logic that will be executed when their is no other
- *   ready-to-run task.  This is processor idle time and will continue until
- *   some interrupt occurs to cause a context switch from the idle task.
- *
- *   Processing in this state may be processor-specific. e.g., this is where
- *   power management operations might be performed.
- *
- ****************************************************************************/
-
-void up_idle(void)
-{
-  /* Perform IDLE mode power management */
-  /* Sleep until an interrupt occurs to save power. */
-}
diff --git a/nuttx/arch/arm/src/efm32/efm32_irq.c b/nuttx/arch/arm/src/efm32/efm32_irq.c
deleted file mode 100644
index 3bca26365..000000000
--- a/nuttx/arch/arm/src/efm32/efm32_irq.c
+++ /dev/null
@@ -1,539 +0,0 @@
-/****************************************************************************
- * arch/arm/src/efm32/efm32_irq.c
- *
- *   Copyright (C) 2009-2014 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <stdint.h>
-#include <debug.h>
-
-#include <nuttx/irq.h>
-#include <nuttx/arch.h>
-#include <arch/irq.h>
-
-#include "nvic.h"
-#include "ram_vectors.h"
-#include "up_arch.h"
-#include "os_internal.h"
-#include "up_internal.h"
-
-#include "chip.h"
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/* Get a 32-bit version of the default priority */
-
-#define DEFPRIORITY32 \
-  (NVIC_SYSH_PRIORITY_DEFAULT << 24 |\
-   NVIC_SYSH_PRIORITY_DEFAULT << 16 |\
-   NVIC_SYSH_PRIORITY_DEFAULT << 8  |\
-   NVIC_SYSH_PRIORITY_DEFAULT)
-
-/* Given the address of a NVIC ENABLE register, this is the offset to
- * the corresponding CLEAR ENABLE register.
- */
-
-#define NVIC_ENA_OFFSET    (0)
-#define NVIC_CLRENA_OFFSET (NVIC_IRQ0_31_CLEAR - NVIC_IRQ0_31_ENABLE)
-
-/****************************************************************************
- * Public Data
- ****************************************************************************/
-
-volatile uint32_t *current_regs;
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: efm32_dumpnvic
- *
- * Description:
- *   Dump some interesting NVIC registers
- *
- ****************************************************************************/
-
-#if defined(CONFIG_DEBUG_IRQ)
-static void efm32_dumpnvic(const char *msg, int irq)
-{
-  irqstate_t flags;
-
-  flags = irqsave();
-  lldbg("NVIC (%s, irq=%d):\n", msg, irq);
-  lldbg("  INTCTRL:    %08x VECTAB:  %08x\n",
-        getreg32(NVIC_INTCTRL), getreg32(NVIC_VECTAB));
-#if 0
-  lldbg("  SYSH ENABLE MEMFAULT: %08x BUSFAULT: %08x USGFAULT: %08x SYSTICK: %08x\n",
-        getreg32(NVIC_SYSHCON_MEMFAULTENA), getreg32(NVIC_SYSHCON_BUSFAULTENA),
-        getreg32(NVIC_SYSHCON_USGFAULTENA), getreg32(NVIC_SYSTICK_CTRL_ENABLE));
-#endif
-  lldbg("  IRQ ENABLE: %08x %08x %08x\n",
-        getreg32(NVIC_IRQ0_31_ENABLE), getreg32(NVIC_IRQ32_63_ENABLE),
-        getreg32(NVIC_IRQ64_95_ENABLE));
-  lldbg("  SYSH_PRIO:  %08x %08x %08x\n",
-        getreg32(NVIC_SYSH4_7_PRIORITY), getreg32(NVIC_SYSH8_11_PRIORITY),
-        getreg32(NVIC_SYSH12_15_PRIORITY));
-  lldbg("  IRQ PRIO:   %08x %08x %08x %08x\n",
-        getreg32(NVIC_IRQ0_3_PRIORITY), getreg32(NVIC_IRQ4_7_PRIORITY),
-        getreg32(NVIC_IRQ8_11_PRIORITY), getreg32(NVIC_IRQ12_15_PRIORITY));
-  lldbg("              %08x %08x %08x %08x\n",
-        getreg32(NVIC_IRQ16_19_PRIORITY), getreg32(NVIC_IRQ20_23_PRIORITY),
-        getreg32(NVIC_IRQ24_27_PRIORITY), getreg32(NVIC_IRQ28_31_PRIORITY));
-  lldbg("              %08x %08x %08x %08x\n",
-        getreg32(NVIC_IRQ32_35_PRIORITY), getreg32(NVIC_IRQ36_39_PRIORITY),
-        getreg32(NVIC_IRQ40_43_PRIORITY), getreg32(NVIC_IRQ44_47_PRIORITY));
-  lldbg("              %08x %08x %08x %08x\n",
-        getreg32(NVIC_IRQ48_51_PRIORITY), getreg32(NVIC_IRQ52_55_PRIORITY),
-        getreg32(NVIC_IRQ56_59_PRIORITY), getreg32(NVIC_IRQ60_63_PRIORITY));
-  lldbg("              %08x\n",
-        getreg32(NVIC_IRQ64_67_PRIORITY));
-  irqrestore(flags);
-}
-#else
-#  define efm32_dumpnvic(msg, irq)
-#endif
-
-/****************************************************************************
- * Name: efm32_nmi, efm32_busfault, efm32_usagefault, efm32_pendsv,
- *       efm32_dbgmonitor, efm32_pendsv, efm32_reserved
- *
- * Description:
- *   Handlers for various execptions.  None are handled and all are fatal
- *   error conditions.  The only advantage these provided over the default
- *   unexpected interrupt handler is that they provide a diagnostic output.
- *
- ****************************************************************************/
-
-#ifdef CONFIG_DEBUG
-static int efm32_nmi(int irq, FAR void *context)
-{
-  (void)irqsave();
-  dbg("PANIC!!! NMI received\n");
-  PANIC();
-  return 0;
-}
-
-static int efm32_busfault(int irq, FAR void *context)
-{
-  (void)irqsave();
-  dbg("PANIC!!! Bus fault received: %08x\n", getreg32(NVIC_CFAULTS));
-  PANIC();
-  return 0;
-}
-
-static int efm32_usagefault(int irq, FAR void *context)
-{
-  (void)irqsave();
-  dbg("PANIC!!! Usage fault received: %08x\n", getreg32(NVIC_CFAULTS));
-  PANIC();
-  return 0;
-}
-
-static int efm32_pendsv(int irq, FAR void *context)
-{
-  (void)irqsave();
-  dbg("PANIC!!! PendSV received\n");
-  PANIC();
-  return 0;
-}
-
-static int efm32_dbgmonitor(int irq, FAR void *context)
-{
-  (void)irqsave();
-  dbg("PANIC!!! Debug Monitor receieved\n");
-  PANIC();
-  return 0;
-}
-
-static int efm32_reserved(int irq, FAR void *context)
-{
-  (void)irqsave();
-  dbg("PANIC!!! Reserved interrupt\n");
-  PANIC();
-  return 0;
-}
-#endif
-
-/****************************************************************************
- * Name: efm32_prioritize_syscall
- *
- * Description:
- *   Set the priority of an exception.  This function may be needed
- *   internally even if support for prioritized interrupts is not enabled.
- *
- ****************************************************************************/
-
-#ifdef CONFIG_ARMV7M_USEBASEPRI
-static inline void efm32_prioritize_syscall(int priority)
-{
-  uint32_t regval;
-
-  /* SVCALL is system handler 11 */
-
-  regval  = getreg32(NVIC_SYSH8_11_PRIORITY);
-  regval &= ~NVIC_SYSH_PRIORITY_PR11_MASK;
-  regval |= (priority << NVIC_SYSH_PRIORITY_PR11_SHIFT);
-  putreg32(regval, NVIC_SYSH8_11_PRIORITY);
-}
-#endif
-
-/****************************************************************************
- * Name: efm32_irqinfo
- *
- * Description:
- *   Given an IRQ number, provide the register and bit setting to enable or
- *   disable the irq.
- *
- ****************************************************************************/
-
-static int efm32_irqinfo(int irq, uintptr_t *regaddr, uint32_t *bit,
-                         uintptr_t offset)
-{
-  DEBUGASSERT(irq >= EFM32_IRQ_NMI && irq < NR_IRQS);
-
-  /* Check for external interrupt */
-
-  if (irq >= EFM32_IRQ_INTERRUPTS)
-    {
-      if (irq < EFM32_IRQ_INTERRUPTS + 32)
-        {
-           *regaddr = (NVIC_IRQ0_31_ENABLE + offset);
-           *bit     = 1 << (irq - EFM32_IRQ_INTERRUPTS);
-        }
-      else if (irq < EFM32_IRQ_INTERRUPTS + 64)
-        {
-           *regaddr = (NVIC_IRQ32_63_ENABLE + offset);
-           *bit     = 1 << (irq - EFM32_IRQ_INTERRUPTS - 32);
-        }
-      else if (irq < NR_IRQS)
-        {
-           *regaddr = (NVIC_IRQ64_95_ENABLE + offset);
-           *bit     = 1 << (irq - EFM32_IRQ_INTERRUPTS - 64);
-        }
-      else
-        {
-          return ERROR; /* Invalid interrupt */
-        }
-    }
-
-  /* Handle processor exceptions.  Only a few can be disabled */
-
-  else
-    {
-       *regaddr = NVIC_SYSHCON;
-       if (irq == EFM32_IRQ_MEMFAULT)
-        {
-          *bit = NVIC_SYSHCON_MEMFAULTENA;
-        }
-      else if (irq == EFM32_IRQ_BUSFAULT)
-        {
-          *bit = NVIC_SYSHCON_BUSFAULTENA;
-        }
-      else if (irq == EFM32_IRQ_USAGEFAULT)
-        {
-          *bit = NVIC_SYSHCON_USGFAULTENA;
-        }
-      else if (irq == EFM32_IRQ_SYSTICK)
-        {
-          *regaddr = NVIC_SYSTICK_CTRL;
-          *bit = NVIC_SYSTICK_CTRL_ENABLE;
-        }
-      else
-        {
-          return ERROR; /* Invalid or unsupported exception */
-        }
-    }
-
-  return OK;
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: up_irqinitialize
- ****************************************************************************/
-
-void up_irqinitialize(void)
-{
-  uint32_t regaddr;
-  int num_priority_registers;
-
-  /* Disable all interrupts */
-
-  putreg32(0, NVIC_IRQ0_31_ENABLE);
-  putreg32(0, NVIC_IRQ32_63_ENABLE);
-
-  /* Colorize the interrupt stack for debug purposes */
-
-#if defined(CONFIG_DEBUG_STACK) && CONFIG_ARCH_INTERRUPTSTACK > 3
-  {
-    size_t intstack_size = (CONFIG_ARCH_INTERRUPTSTACK & ~3);
-    up_stack_color((FAR void *)((uintptr_t)&g_intstackbase - intstack_size),
-                   intstack_size);
-  }
-#endif
-
-  /*
-   * If CONFIG_ARCH_RAMVECTORS is defined, then we are using a RAM-based
-   * vector table that requires special initialization.
-   */
-#if defined(CONFIG_ARCH_RAMVECTORS)
-  up_ramvec_initialize();
-#endif
-
-  /* Set all interrupts (and exceptions) to the default priority */
-
-  putreg32(DEFPRIORITY32, NVIC_SYSH4_7_PRIORITY);
-  putreg32(DEFPRIORITY32, NVIC_SYSH8_11_PRIORITY);
-  putreg32(DEFPRIORITY32, NVIC_SYSH12_15_PRIORITY);
-
-  /* The NVIC ICTR register (bits 0-4) holds the number of of interrupt
-   * lines that the NVIC supports:
-   *
-   *  0 -> 32 interrupt lines,  8 priority registers
-   *  1 -> 64 "       " "   ", 16 priority registers
-   *  2 -> 96 "       " "   ", 32 priority registers
-   *  ...
-   */
-
-  num_priority_registers = (getreg32(NVIC_ICTR) + 1) * 8;
-
-  /* Now set all of the interrupt lines to the default priority */
-
-  regaddr = NVIC_IRQ0_3_PRIORITY;
-  while (num_priority_registers--)
-    {
-      putreg32(DEFPRIORITY32, regaddr);
-      regaddr += 4;
-    }
-
-  /* currents_regs is non-NULL only while processing an interrupt */
-
-  current_regs = NULL;
-
-  /* Attach the SVCall and Hard Fault exception handlers.  The SVCall
-   * exception is used for performing context switches; The Hard Fault
-   * must also be caught because a SVCall may show up as a Hard Fault
-   * under certain conditions.
-   */
-
-  irq_attach(EFM32_IRQ_SVCALL, up_svcall);
-  irq_attach(EFM32_IRQ_HARDFAULT, up_hardfault);
-
-  /* Set the priority of the SVCall interrupt */
-
-#ifdef CONFIG_ARMV7M_USEBASEPRI
-   efm32_prioritize_syscall(NVIC_SYSH_SVCALL_PRIORITY);
-#endif
-
-  /* If the MPU is enabled, then attach and enable the Memory Management
-   * Fault handler.
-   */
-
-#ifdef CONFIG_ARMV7M_MPU
-  irq_attach(EFM32_IRQ_MEMFAULT, up_memfault);
-  up_enable_irq(EFM32_IRQ_MEMFAULT);
-#endif
-
-  /* Attach all other processor exceptions (except reset and sys tick) */
-
-#ifdef CONFIG_DEBUG
-  irq_attach(EFM32_IRQ_NMI, efm32_nmi);
-#ifndef CONFIG_ARMV7M_MPU
-  irq_attach(EFM32_IRQ_MEMFAULT, up_memfault);
-#endif
-  irq_attach(EFM32_IRQ_BUSFAULT, efm32_busfault);
-  irq_attach(EFM32_IRQ_USAGEFAULT, efm32_usagefault);
-  irq_attach(EFM32_IRQ_PENDSV, efm32_pendsv);
-  irq_attach(EFM32_IRQ_DBGMONITOR, efm32_dbgmonitor);
-  irq_attach(EFM32_IRQ_RESERVED, efm32_reserved);
-#endif
-
-  efm32_dumpnvic("initial", NR_IRQS);
-
-#ifndef CONFIG_SUPPRESS_INTERRUPTS
-
-  /* And finally, enable interrupts */
-
-  irqenable();
-#endif
-}
-
-/****************************************************************************
- * Name: up_disable_irq
- *
- * Description:
- *   Disable the IRQ specified by 'irq'
- *
- ****************************************************************************/
-
-void up_disable_irq(int irq)
-{
-  uintptr_t regaddr;
-  uint32_t regval;
-  uint32_t bit;
-
-  if (efm32_irqinfo(irq, &regaddr, &bit, NVIC_CLRENA_OFFSET) == 0)
-    {
-      /* Modify the appropriate bit in the register to disable the interrupt.
-       * For normal interrupts, we need to set the bit in the associated
-       * Interrupt Clear Enable register.  For other exceptions, we need to
-       * clear the bit in the System Handler Control and State Register.
-       */
-
-      if (irq >= EFM32_IRQ_INTERRUPTS)
-        {
-          putreg32(bit, regaddr);
-        }
-      else
-        {
-          regval  = getreg32(regaddr);
-          regval &= ~bit;
-          putreg32(regval, regaddr);
-        }
-    }
-
-  efm32_dumpnvic("disable", irq);
-}
-
-/****************************************************************************
- * Name: up_enable_irq
- *
- * Description:
- *   Enable the IRQ specified by 'irq'
- *
- ****************************************************************************/
-
-void up_enable_irq(int irq)
-{
-  uintptr_t regaddr;
-  uint32_t regval;
-  uint32_t bit;
-
-  if (efm32_irqinfo(irq, &regaddr, &bit, NVIC_ENA_OFFSET) == 0)
-    {
-      /* Modify the appropriate bit in the register to enable the interrupt.
-       * For normal interrupts, we need to set the bit in the associated
-       * Interrupt Set Enable register.  For other exceptions, we need to
-       * set the bit in the System Handler Control and State Register.
-       */
-
-      if (irq >= EFM32_IRQ_INTERRUPTS)
-        {
-          putreg32(bit, regaddr);
-        }
-      else
-        {
-          regval  = getreg32(regaddr);
-          regval |= bit;
-          putreg32(regval, regaddr);
-        }
-    }
-
-  efm32_dumpnvic("enable", irq);
-}
-
-/****************************************************************************
- * Name: up_ack_irq
- *
- * Description:
- *   Acknowledge the IRQ
- *
- ****************************************************************************/
-
-void up_ack_irq(int irq)
-{
-}
-
-/****************************************************************************
- * Name: up_prioritize_irq
- *
- * Description:
- *   Set the priority of an IRQ.
- *
- *   Since this API is not supported on all architectures, it should be
- *   avoided in common implementations where possible.
- *
- ****************************************************************************/
-
-#ifdef CONFIG_ARCH_IRQPRIO
-int up_prioritize_irq(int irq, int priority)
-{
-  uint32_t regaddr;
-  uint32_t regval;
-  int shift;
-
-  DEBUGASSERT(irq >= EFM32_IRQ_MEMFAULT && irq < NR_IRQS &&
-              (unsigned)priority <= NVIC_SYSH_PRIORITY_MIN);
-
-  if (irq < EFM32_IRQ_INTERRUPTS)
-    {
-      /* NVIC_SYSH_PRIORITY() maps {0..15} to one of three priority
-       * registers (0-3 are invalid)
-       */
-
-      regaddr = NVIC_SYSH_PRIORITY(irq);
-      irq    -= 4;
-    }
-  else
-    {
-      /* NVIC_IRQ_PRIORITY() maps {0..} to one of many priority registers */
-
-      irq    -= EFM32_IRQ_INTERRUPTS;
-      regaddr = NVIC_IRQ_PRIORITY(irq);
-    }
-
-  regval      = getreg32(regaddr);
-  shift       = ((irq & 3) << 3);
-  regval     &= ~(0xff << shift);
-  regval     |= (priority << shift);
-  putreg32(regval, regaddr);
-
-  efm32_dumpnvic("prioritize", irq);
-  return OK;
-}
-#endif
diff --git a/nuttx/arch/arm/src/efm32/efm32_lowputc.c b/nuttx/arch/arm/src/efm32/efm32_lowputc.c
deleted file mode 100644
index 73801ad46..000000000
--- a/nuttx/arch/arm/src/efm32/efm32_lowputc.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/****************************************************************************
- * arch/arm/src/efm32/efm32_lowputc.c
- *
- *   Copyright (C) 2014 Richard Cochran. All rights reserved.
- *   Author: Richard Cochran <richardcochran@gmail.com>
- *
- * 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 "up_internal.h"
-#include "efm32_lowputc.h"
-
-#include "em_device.h"
-#include "em_cmu.h"
-#include "em_gpio.h"
-#include "em_usart.h"
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-#define BAUDRATE 115200
-
-#if defined UART_PRESENT
-
-#if UART_COUNT > 1
-#define RXPIN      10
-#define RXPORT     gpioPortB
-#define TXPIN      9
-#define TXPORT     gpioPortB
-#define UART       UART1
-#define UART_CLOCK cmuClock_UART1
-#define UART_LOC   USART_ROUTE_LOCATION_LOC2
-#else
-#error unknown efm32 part
-#endif
-
-#elif defined USART_PRESENT
-
-#define RXPIN      11
-#define RXPORT     gpioPortE
-#define TXPIN      10
-#define TXPORT     gpioPortE
-#define UART       USART0
-#define UART_CLOCK cmuClock_USART0
-#define UART_LOC   USART_ROUTE_LOCATION_LOC0
-
-#endif /* USART_PRESENT */
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-void efm32_lowsetup(void)
-{
-  USART_InitAsync_TypeDef settings = USART_INITASYNC_DEFAULT;
-
-  CMU_ClockEnable(UART_CLOCK, true);
-  GPIO_PinModeSet(TXPORT, TXPIN, gpioModePushPull, 1);
-  GPIO_PinModeSet(RXPORT, RXPIN, gpioModeInput, 0);
-  settings.baudrate = BAUDRATE;
-  USART_InitAsync(UART, &settings);
-  UART->ROUTE = USART_ROUTE_TXPEN | USART_ROUTE_RXPEN | UART_LOC;
-}
-
-void up_lowputc(char c)
-{
-  while (!(UART->STATUS & USART_STATUS_TXBL));
-  UART->TXDATA = c;
-}
-
-void up_putc(char c)
-{
-  /* Convert LF into CRLF. */
-  if (c == '\n')
-      up_lowputc('\r');
-
-  up_lowputc(c);
-}
diff --git a/nuttx/arch/arm/src/efm32/efm32_lowputc.h b/nuttx/arch/arm/src/efm32/efm32_lowputc.h
deleted file mode 100644
index d6488a42f..000000000
--- a/nuttx/arch/arm/src/efm32/efm32_lowputc.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/****************************************************************************
- * arch/arm/src/efm32/efm32_lowputc.h
- *
- *   Copyright (C) 2014 Richard Cochran. All rights reserved.
- *   Author: Richard Cochran <richardcochran@gmail.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- *    used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-#ifndef __ARCH_ARM_SRC_EFM32_STM32_LOWPUTC_H
-#define __ARCH_ARM_SRC_EFM32_STM32_LOWPUTC_H
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-#ifdef CONFIG_DEV_LOWCONSOLE
-
-void efm32_lowsetup(void);
-
-#else
-
-static inline void efm32_lowsetup(void)
-{
-}
-
-#endif
-
-#endif
diff --git a/nuttx/arch/arm/src/efm32/efm32_start.c b/nuttx/arch/arm/src/efm32/efm32_start.c
deleted file mode 100644
index 2b75930fb..000000000
--- a/nuttx/arch/arm/src/efm32/efm32_start.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/****************************************************************************
- * arch/arm/src/efm32/efm32_start.c
- *
- *   Copyright (C) 2009, 2011-2014 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-#include <stdint.h>
-#include <assert.h>
-#include <debug.h>
-#include <nuttx/init.h>
-#include <arch/board/board.h>
-#include <arch/efm32/chip.h>
-
-#include "up_arch.h"
-#include "up_internal.h"
-#include "efm32_lowputc.h"
-
-#include "em_device.h"
-#include "em_cmu.h"
-
-/****************************************************************************
- * Private Function prototypes
- ****************************************************************************/
-
-#ifdef CONFIG_DEBUG_STACK
-static void go_os_start(void *pv, unsigned int nbytes)
-  __attribute__ ((naked,no_instrument_function,noreturn));
-#endif
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: showprogress
- *
- * Description:
- *   Print a character on the UART to show boot status.
- *
- ****************************************************************************/
-
-#ifdef CONFIG_DEBUG
-#  define showprogress(c) up_lowputc(c)
-#else
-#  define showprogress(c)
-#endif
-
-/****************************************************************************
- * Name: go_os_start
- *
- * Description:
- *   Set the IDLE stack to the
- *
- ****************************************************************************/
-
-#ifdef CONFIG_DEBUG_STACK
-static void go_os_start(void *pv, unsigned int nbytes)
-{
-  /* Set the IDLE stack to the stack coloration value then jump to
-   * os_start().  We take extreme care here because were currently
-   * executing on this stack.
-   *
-   * We want to avoid sneak stack access generated by the compiler.
-   */
-
-  __asm__ __volatile__
-  (
-    "\tmov  r1, r1, lsr #2\n"   /* R1 = nwords = nbytes >> 2 */
-    "\tbeq  2f\n"               /* (should not happen) */
-
-    "\tbic  r0, r0, #3\n"       /* R0 = Aligned stackptr */
-    "\tmovw r2, #0xbeef\n"      /* R2 = STACK_COLOR = 0xdeadbeef */
-    "\tmovt r2, #0xdead\n"
-
-    "1:\n"                      /* Top of the loop */
-    "\tsub  r1, r1, #1\n"       /* R1 nwords-- */
-    "\tcmp  r1, #0\n"           /* Check (nwords == 0) */
-    "\tstr  r2, [r0], #4\n"     /* Save stack color word, increment stackptr */
-    "\tbne  1b\n"               /* Bottom of the loop */
-
-    "2:\n"
-    "\tmov  r14, #0\n"          /* LR = return address (none) */
-    "\tb    os_start\n"         /* Branch to os_start */
-  );
-}
-#endif
-
-static void efm32_clockconfig(void)
-{
-  /* Devices boots with 14 MHz HFRCO as the HFCLK source. */
-  /* Enable the GPIO clock. */
-  CMU_ClockEnable(cmuClock_GPIO, true);
-}
-
-static void efm32_gpioinit(void)
-{
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: _start
- *
- * Description:
- *   This is the reset entry point.
- *
- ****************************************************************************/
-
-void __start(void)
-{
-  const uint32_t *src;
-  uint32_t *dest;
-
-  /* Configure the uart so that we can get debug output as soon as possible */
-
-  efm32_clockconfig();
-  efm32_lowsetup();
-  efm32_gpioinit();
-
-  showprogress('A');
-
-  /* Clear .bss.  We'll do this inline (vs. calling memset) just to be
-   * certain that there are no issues with the state of global variables.
-   */
-
-  for (dest = &_sbss; dest < &_ebss; )
-    {
-      *dest++ = 0;
-    }
-
-  showprogress('B');
-
-  /* Move the initialized data section from his temporary holding spot in
-   * FLASH into the correct place in SRAM.  The correct place in SRAM is
-   * give by _sdata and _edata.  The temporary location is in FLASH at the
-   * end of all of the other read-only data (.text, .rodata) at _eronly.
-   */
-
-  for (src = &_eronly, dest = &_sdata; dest < &_edata; )
-    {
-      *dest++ = *src++;
-    }
-
-  showprogress('C');
-
-  /* Perform early serial initialization */
-
-#ifdef USE_EARLYSERIALINIT
-  up_earlyserialinit();
-#endif
-  showprogress('D');
-
-  /* For the case of the separate user-/kernel-space build, perform whatever
-   * platform specific initialization of the user memory is required.
-   * Normally this just means initializing the user space .data and .bss
-   * segments.
-   */
-
-#ifdef CONFIG_NUTTX_KERNEL
-  efm32_userspace();
-  showprogress('E');
-#endif
-
-  /* Initialize onboard resources */
-
-  efm32_boardinitialize();
-  showprogress('F');
-
-  /* Then start NuttX */
-
-  showprogress('\r');
-  showprogress('\n');
-
-#ifdef CONFIG_DEBUG_STACK
-  /* Set the IDLE stack to the coloration value and jump into os_start() */
-
-  go_os_start((FAR void *)&_ebss, CONFIG_IDLETHREAD_STACKSIZE);
-#else
-  /* Call os_start() */
-
-  os_start();
-
-  /* Shoulnd't get here */
-
-  for(;;);
-#endif
-}
diff --git a/nuttx/arch/arm/src/efm32/efm32_timerisr.c b/nuttx/arch/arm/src/efm32/efm32_timerisr.c
deleted file mode 100644
index 3461a375b..000000000
--- a/nuttx/arch/arm/src/efm32/efm32_timerisr.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/****************************************************************************
- * arch/arm/src/efm32/efm32_timerisr.c
- *
- *   Copyright (C) 2009, 2014 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <stdint.h>
-#include <time.h>
-#include <debug.h>
-#include <nuttx/arch.h>
-#include <arch/board/board.h>
-
-#include "nvic.h"
-#include "clock_internal.h"
-#include "up_internal.h"
-#include "up_arch.h"
-
-#include "chip.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/* The desired timer interrupt frequency is provided by the definition
- * CLK_TCK (see include/time.h).  CLK_TCK defines the desired number of
- * system clock ticks per second.  That value is a user configurable setting
- * that defaults to 100 (100 ticks per second = 10 MS interval).
- */
-
-#define EFM32_HCLK_FREQUENCY 14000000
-
-#define SYSTICK_RELOAD ((EFM32_HCLK_FREQUENCY / CLK_TCK) - 1)
-
-/* The size of the reload field is 24 bits.  Verify that the reload value
- * will fit in the reload register.
- */
-
-#if SYSTICK_RELOAD > 0x00ffffff
-#  error SYSTICK_RELOAD exceeds the range of the RELOAD register
-#endif
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Global Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Function:  up_timerisr
- *
- * Description:
- *   The timer ISR will perform a variety of services for various portions
- *   of the systems.
- *
- ****************************************************************************/
-
-int up_timerisr(int irq, uint32_t *regs)
-{
-   /* Process timer interrupt */
-
-   sched_process_timer();
-   return 0;
-}
-
-/****************************************************************************
- * Function:  up_timerinit
- *
- * Description:
- *   This function is called during start-up to initialize
- *   the timer interrupt.
- *
- ****************************************************************************/
-
-void up_timerinit(void)
-{
-  uint32_t regval;
-
-  /* Set the SysTick interrupt to the default priority */
-
-  regval = getreg32(NVIC_SYSH12_15_PRIORITY);
-  regval &= ~NVIC_SYSH_PRIORITY_PR15_MASK;
-  regval |= (NVIC_SYSH_PRIORITY_DEFAULT << NVIC_SYSH_PRIORITY_PR15_SHIFT);
-  putreg32(regval, NVIC_SYSH12_15_PRIORITY);
-
-  /* Make sure that the SYSTICK clock source is set correctly */
-
-  /* Configure SysTick to interrupt at the requested rate */
-
-  putreg32(SYSTICK_RELOAD, NVIC_SYSTICK_RELOAD);
-
-  /* Attach the timer interrupt vector */
-
-  (void)irq_attach(EFM32_IRQ_SYSTICK, (xcpt_t)up_timerisr);
-
-  /* Enable SysTick interrupts */
-
-  putreg32((NVIC_SYSTICK_CTRL_CLKSOURCE|NVIC_SYSTICK_CTRL_TICKINT|NVIC_SYSTICK_CTRL_ENABLE), NVIC_SYSTICK_CTRL);
-
-  /* And enable the timer interrupt */
-
-  up_enable_irq(EFM32_IRQ_SYSTICK);
-}
diff --git a/nuttx/arch/arm/src/efm32/efm32_vectors.S b/nuttx/arch/arm/src/efm32/efm32_vectors.S
deleted file mode 100644
index 0e1503a60..000000000
--- a/nuttx/arch/arm/src/efm32/efm32_vectors.S
+++ /dev/null
@@ -1,121 +0,0 @@
-/************************************************************************************
- * arch/arm/src/efm32/efm32_vectors.S
- *
- *   Copyright (C) 2009-2014 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.
- *
- ************************************************************************************/
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <arch/irq.h>
-
-#include "chip.h"
-#include "exc_return.h"
-
-/************************************************************************************
- * Configuration
- ************************************************************************************/
-
-/************************************************************************************
- * Preprocessor Definitions
- ************************************************************************************/
-/* Configuration ********************************************************************/
-
-#ifdef CONFIG_ARCH_HIPRI_INTERRUPT
-  /* In kernel mode without an interrupt stack, this interrupt handler will set the
-   * MSP to the stack pointer of the interrupted thread.  If the interrupted thread
-   * was a privileged thread, that will be the MSP otherwise it will be the PSP.  If
-   * the PSP is used, then the value of the MSP will be invalid when the interrupt
-   * handler returns because it will be a pointer to an old position in the
-   * unprivileged stack.  Then when the high priority interrupt occurs and uses this
-   * stale MSP, there will most likely be a system failure.
-   *
-   * If the interrupt stack is selected, on the other hand, then the interrupt
-   * handler will always set the the MSP to the interrupt stack.  So when the high
-   * priority interrupt occurs, it will either use the MSP of the last privileged
-   * thread to run or, in the case of the nested interrupt, the interrupt stack if
-   * no privileged task has run.
-   */
-
-#  if defined(CONFIG_NUTTX_KERNEL) && CONFIG_ARCH_INTERRUPTSTACK < 4
-#    error Interrupt stack must be used with high priority interrupts in kernel mode
-#  endif
-
-  /* Use the the BASEPRI to control interrupts is required if nested, high
-   * priority interrupts are supported.
-   */
-
-#  ifndef CONFIG_ARMV7M_USEBASEPRI
-#    error CONFIG_ARMV7M_USEBASEPRI must be used with CONFIG_ARCH_HIPRI_INTERRUPT
-#  endif
-#endif
-
-#define IDLE_STACK		(_ebss+CONFIG_IDLETHREAD_STACKSIZE-4)
-#define HEAP_BASE		(_ebss+CONFIG_IDLETHREAD_STACKSIZE)
-
-/************************************************************************************
- * Global Symbols
- ************************************************************************************/
-
-	.syntax		unified
-	.thumb
-	.file		"efm32_vectors.S"
-
-/*
- * The efm32 chips all use the common ARMv7 interrupt vectoring.
- * (see arch/arm/src/armv7-m/up_vectors.S)
- */
-
-/************************************************************************************
- * .rodata
- ************************************************************************************/
-
-	.section	.rodata, "a"
-
-/* Variables: _sbss is the start of the BSS region (see ld.script) _ebss is the end
- * of the BSS regsion (see ld.script). The idle task stack starts at the end of BSS
- * and is of size CONFIG_IDLETHREAD_STACKSIZE.  The IDLE thread is the thread that
- * the system boots on and, eventually, becomes the idle, do nothing task that runs
- * only when there is nothing else to run.  The heap continues from there until the
- * end of memory.  See g_idle_topstack below.
- */
-
-	.globl	g_idle_topstack
-	.type	g_idle_topstack, object
-g_idle_topstack:
-	.word	HEAP_BASE
-	.size	g_idle_topstack, .-g_idle_topstack
-
-	.end
diff --git a/nuttx/configs/efm32-dk3650/Kconfig b/nuttx/configs/efm32-dk3650/Kconfig
deleted file mode 100644
index 88ae302b1..000000000
--- a/nuttx/configs/efm32-dk3650/Kconfig
+++ /dev/null
@@ -1,10 +0,0 @@
-#
-# For a description of the syntax of this configuration file,
-# see misc/tools/kconfig-language.txt.
-#
-
-if ARCH_BOARD_EFM32LG_DK3650
-
-comment "EFM32 DK3650 Hardware Configuration"
-
-endif
diff --git a/nuttx/configs/efm32-dk3650/include/board.h b/nuttx/configs/efm32-dk3650/include/board.h
deleted file mode 100644
index a0a3d3ed8..000000000
--- a/nuttx/configs/efm32-dk3650/include/board.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/****************************************************************************
- * configs/efm32-dk3650/include/board.h
- *
- *   Copyright (C) 2014 Richard Cochran. All rights reserved.
- *   Author: Richard Cochran <richardcochran@gmail.com>
- *
- * 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_EFM32_DK3650_INCLUDE_BOARD_H
-#define __CONFIGS_EFM32_DK3650_INCLUDE_BOARD_H
-
-/****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
-
-void efm32_boardinitialize(void);
-
-#endif /* __CONFIGS_EFM32_DK3650_INCLUDE_BOARD_H */
diff --git a/nuttx/configs/efm32-dk3650/ostest/Make.defs b/nuttx/configs/efm32-dk3650/ostest/Make.defs
deleted file mode 100644
index 653fc28eb..000000000
--- a/nuttx/configs/efm32-dk3650/ostest/Make.defs
+++ /dev/null
@@ -1,109 +0,0 @@
-############################################################################
-# configs/efm32-dk3650/ostest/Make.defs
-#
-#   Copyright (C) 2010, 2014 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}/arch/arm/src/armv7-m/Toolchain.defs
-include ${TOPDIR}/tools/Config.mk
-
-ifeq ($(WINTOOL),y)
-  # Windows-native toolchains
-  DIRLINK = $(TOPDIR)/tools/copydir.sh
-  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
-  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
-  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
-  ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
-  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/ld.script}"
-else
-  # Linux/Cygwin-native toolchain 
-  MKDEP = $(TOPDIR)/tools/mkdeps.sh
-  ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
-  ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
-  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/ld.script
-endif
-
-CC = $(CROSSDEV)gcc
-CXX = $(CROSSDEV)g++
-CPP = $(CROSSDEV)gcc -E
-LD = $(CROSSDEV)ld
-AR = $(CROSSDEV)ar rcs
-NM = $(CROSSDEV)nm
-OBJCOPY = $(CROSSDEV)objcopy
-OBJDUMP = $(CROSSDEV)objdump
-
-ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
-ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
-
-ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
-  ARCHOPTIMIZATION = -g
-endif
-
-ifneq ($(CONFIG_DEBUG_NOOPT),y)
-  ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
-endif
-
-ARCHCFLAGS = -fno-builtin
-ARCHCXXFLAGS = -fno-builtin -fno-exceptions
-ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
-ARCHWARNINGSXX = -Wall -Wshadow
-ARCHDEFINES =
-ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
-
-CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(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)/binfmt/libnxflat/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 =
diff --git a/nuttx/configs/efm32-dk3650/ostest/defconfig b/nuttx/configs/efm32-dk3650/ostest/defconfig
deleted file mode 100644
index e49caced7..000000000
--- a/nuttx/configs/efm32-dk3650/ostest/defconfig
+++ /dev/null
@@ -1,591 +0,0 @@
-#
-# Automatically generated file; DO NOT EDIT.
-# Nuttx/ Configuration
-#
-CONFIG_NUTTX_NEWCONFIG=y
-
-#
-# Build Setup
-#
-# CONFIG_EXPERIMENTAL is not set
-CONFIG_HOST_LINUX=y
-# CONFIG_HOST_OSX is not set
-# CONFIG_HOST_WINDOWS is not set
-# CONFIG_HOST_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 is not set
-# 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_ARCH_HAVE_HEAPCHECK is not set
-CONFIG_DEBUG_SYMBOLS=y
-# CONFIG_DEBUG_NOOPT 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_A1X is not set
-# CONFIG_ARCH_CHIP_C5471 is not set
-# CONFIG_ARCH_CHIP_CALYPSO is not set
-# CONFIG_ARCH_CHIP_DM320 is not set
-CONFIG_ARCH_CHIP_EFM32=y
-# 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 is not set
-# 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=y
-# CONFIG_ARCH_CORTEXM4 is not set
-# CONFIG_ARCH_CORTEXA5 is not set
-# CONFIG_ARCH_CORTEXA8 is not set
-CONFIG_ARCH_FAMILY="armv7-m"
-CONFIG_ARCH_CHIP="efm32"
-# CONFIG_ARMV7M_USEBASEPRI is not set
-CONFIG_ARCH_HAVE_CMNVECTOR=y
-CONFIG_ARMV7M_CMNVECTOR=y
-# CONFIG_ARCH_HAVE_FPU is not set
-# CONFIG_ARCH_HAVE_MPU is not set
-
-#
-# ARMV7M Configuration Options
-#
-# CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT is not set
-# CONFIG_ARMV7M_TOOLCHAIN_CODEREDL is not set
-# CONFIG_ARMV7M_TOOLCHAIN_CODESOURCERYL is not set
-CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL=y
-
-#
-# EFM32 Configuration Options
-#
-# CONFIG_ARCH_CHIP_EFM32LG232F128 is not set
-CONFIG_ARCH_CHIP_EFM32LG990F256=y
-
-#
-# Architecture Options
-#
-# CONFIG_ARCH_NOINTC is not set
-# CONFIG_ARCH_VECNOTIRQ is not set
-# CONFIG_ARCH_DMA is not set
-CONFIG_ARCH_HAVE_IRQPRIO=y
-# CONFIG_CUSTOM_STACK is not set
-# CONFIG_ADDRENV is not set
-CONFIG_ARCH_HAVE_VFORK=y
-# CONFIG_ARCH_IRQPRIO is not set
-CONFIG_ARCH_STACKDUMP=y
-# CONFIG_ENDIAN_BIG is not set
-# CONFIG_ARCH_HAVE_RAMFUNCS is not set
-CONFIG_ARCH_HAVE_RAMVECTORS=y
-# CONFIG_ARCH_RAMVECTORS is not set
-
-#
-# Board Settings
-#
-CONFIG_BOARD_LOOPSPERMSEC=4531
-# CONFIG_ARCH_CALIBRATION is not set
-
-#
-# Interrupt options
-#
-CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
-CONFIG_ARCH_INTERRUPTSTACK=0
-CONFIG_ARCH_HAVE_HIPRI_INTERRUPT=y
-# CONFIG_ARCH_HIPRI_INTERRUPT is not set
-
-#
-# 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=0x20000000
-CONFIG_RAM_SIZE=32768
-
-#
-# Board Selection
-#
-CONFIG_ARCH_BOARD_EFM32LG_DK3650=y
-# CONFIG_ARCH_BOARD_CUSTOM is not set
-CONFIG_ARCH_BOARD="efm32-dk3650"
-
-#
-# Common Board Options
-#
-
-#
-# Board-Specific Options
-#
-
-#
-# EFM32 DK3650 Hardware Configuration
-#
-
-#
-# RTOS Features
-#
-# CONFIG_BOARD_INITIALIZE is not set
-CONFIG_MSEC_PER_TICK=10
-# CONFIG_SYSTEM_TIME64 is not set
-CONFIG_RR_INTERVAL=200
-# CONFIG_SCHED_INSTRUMENTATION is not set
-CONFIG_TASK_NAME_SIZE=0
-# CONFIG_SCHED_HAVE_PARENT is not set
-# CONFIG_JULIAN_TIME is not set
-CONFIG_START_YEAR=2010
-CONFIG_START_MONTH=5
-CONFIG_START_DAY=6
-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 is not set
-# CONFIG_SCHED_STARTHOOK is not set
-# CONFIG_SCHED_ATEXIT is not set
-# CONFIG_SCHED_ONEXIT is not set
-CONFIG_USER_ENTRYPOINT="ostest_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=4
-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_ARCH_HAVE_PWM_PULSECOUNT is not set
-# CONFIG_PWM is not set
-# CONFIG_ARCH_HAVE_I2CRESET is not set
-# CONFIG_I2C is not set
-# CONFIG_SPI is not set
-# CONFIG_I2S 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_VIDEO_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_SERCOMM_CONSOLE is not set
-CONFIG_SERIAL=y
-CONFIG_DEV_LOWCONSOLE=y
-# CONFIG_16550_UART is not set
-
-#
-# USART Configuration
-#
-# 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_ARCH_HAVE_NET is not set
-# CONFIG_ARCH_HAVE_PHY is not set
-# CONFIG_NET is not set
-
-#
-# File Systems
-#
-
-#
-# File system configuration
-#
-CONFIG_DISABLE_MOUNTPOINT=y
-# CONFIG_FS_READABLE is not set
-# CONFIG_FS_WRITABLE is not set
-# CONFIG_FS_RAMMAP is not set
-# CONFIG_FS_PROCFS is not set
-
-#
-# System Logging
-#
-# CONFIG_SYSLOG_ENABLE is not set
-# CONFIG_SYSLOG is not set
-
-#
-# Graphics Support
-#
-# CONFIG_NX 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 is not set
-# CONFIG_PIC is not set
-# CONFIG_SYMTAB_ORDEREDBYNAME is not set
-
-#
-# 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 is not set
-
-#
-# Application Configuration
-#
-
-#
-# Built-In Applications
-#
-
-#
-# Examples
-#
-# CONFIG_EXAMPLES_BUTTONS is not set
-# CONFIG_EXAMPLES_CAN is not set
-# CONFIG_EXAMPLES_CONFIGDATA 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 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=y
-CONFIG_EXAMPLES_OSTEST_LOOPS=1
-CONFIG_EXAMPLES_OSTEST_STACKSIZE=2048
-CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
-CONFIG_EXAMPLES_OSTEST_RR_RANGE=10000
-CONFIG_EXAMPLES_OSTEST_RR_RUNS=10
-# 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_DHCPD is not set
-# CONFIG_NETUTILS_FTPC is not set
-# CONFIG_NETUTILS_FTPD is not set
-# CONFIG_NETUTILS_JSON is not set
-# CONFIG_NETUTILS_SMTP 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
-#
-
-#
-# Platform-specific Support
-#
-# CONFIG_PLATFORM_CONFIGDATA is not set
-
-#
-# System Libraries and NSH Add-Ons
-#
-
-#
-# USB CDC/ACM Device Commands
-#
-
-#
-# USB Composite Device Commands
-#
-
-#
-# Custom Free Memory Command
-#
-# CONFIG_SYSTEM_FREE is not set
-
-#
-# I2C tool
-#
-
-#
-# INI File Parser
-#
-# CONFIG_SYSTEM_INIFILE is not set
-
-#
-# FLASH Program Installation
-#
-# CONFIG_SYSTEM_INSTALL is not set
-
-#
-# FLASH Erase-all Command
-#
-
-#
-# NxPlayer media player library / command Line
-#
-# CONFIG_SYSTEM_NXPLAYER is not set
-
-#
-# RAM test
-#
-# CONFIG_SYSTEM_RAMTEST is not set
-
-#
-# readline()
-#
-# CONFIG_SYSTEM_READLINE is not set
-
-#
-# 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/nuttx/configs/efm32-dk3650/scripts/ld.script b/nuttx/configs/efm32-dk3650/scripts/ld.script
deleted file mode 100644
index 5dce9f850..000000000
--- a/nuttx/configs/efm32-dk3650/scripts/ld.script
+++ /dev/null
@@ -1,110 +0,0 @@
-/****************************************************************************
- * configs/efm32-dk3650/scripts/ld.script
- *
- *   Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved.
- *
- * 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.
- *
- ****************************************************************************/
-
-MEMORY
-{
-    flash (rx) : ORIGIN = 0x00000000, LENGTH = 262144
-    sram (rwx) : ORIGIN = 0x20000000, LENGTH = 32768
-}
-
-OUTPUT_ARCH(arm)
-EXTERN(_vectors)
-ENTRY(_stext)
-
-SECTIONS
-{
-	.text : {
-		_stext = ABSOLUTE(.);
-		*(.vectors)
-		*(.text .text.*)
-		*(.fixup)
-		*(.gnu.warning)
-		*(.rodata .rodata.*)
-		*(.gnu.linkonce.t.*)
-		*(.glue_7)
-		*(.glue_7t)
-		*(.got)
-		*(.gcc_except_table)
-		*(.gnu.linkonce.r.*)
-		_etext = ABSOLUTE(.);
-	} > flash
-
-	.init_section : {
-		_sinit = ABSOLUTE(.);
-		*(.init_array .init_array.*)
-		_einit = ABSOLUTE(.);
-	} > flash
-
-	.ARM.extab : {
-		*(.ARM.extab*)
-	} > flash
-
-	__exidx_start = ABSOLUTE(.);
-	.ARM.exidx : {
-		*(.ARM.exidx*)
-	} > flash
-	__exidx_end = ABSOLUTE(.);
-
-	_eronly = ABSOLUTE(.);
-
-	.data : {
-		_sdata = ABSOLUTE(.);
-		*(.data .data.*)
-		*(.gnu.linkonce.d.*)
-		CONSTRUCTORS
-		_edata = ABSOLUTE(.);
-	} > sram AT > flash
-
-	.bss : {
-		_sbss = ABSOLUTE(.);
-		*(.bss .bss.*)
-		*(.gnu.linkonce.b.*)
-		*(COMMON)
-		_ebss = ABSOLUTE(.);
-	} > sram
-
-	/* Stabs debugging sections. */
-	.stab 0 : { *(.stab) }
-	.stabstr 0 : { *(.stabstr) }
-	.stab.excl 0 : { *(.stab.excl) }
-	.stab.exclstr 0 : { *(.stab.exclstr) }
-	.stab.index 0 : { *(.stab.index) }
-	.stab.indexstr 0 : { *(.stab.indexstr) }
-	.comment 0 : { *(.comment) }
-	.debug_abbrev 0 : { *(.debug_abbrev) }
-	.debug_info 0 : { *(.debug_info) }
-	.debug_line 0 : { *(.debug_line) }
-	.debug_pubnames 0 : { *(.debug_pubnames) }
-	.debug_aranges 0 : { *(.debug_aranges) }
-}
diff --git a/nuttx/configs/efm32-dk3650/src/Makefile b/nuttx/configs/efm32-dk3650/src/Makefile
deleted file mode 100644
index 56f25f1b1..000000000
--- a/nuttx/configs/efm32-dk3650/src/Makefile
+++ /dev/null
@@ -1,63 +0,0 @@
-############################################################################
-# configs/efm32-dk3650/src/Makefile
-#
-#   Copyright (C) 2013-2014 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)/Make.defs
-
-CSRCS = efm32_boot.c
-COBJS = $(CSRCS:.c=$(OBJEXT))
-SRCS = $(ASRCS) $(CSRCS)
-OBJS = $(AOBJS) $(COBJS)
-
-$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c
-	$(call COMPILE, $<, $@)
-
-libboard$(LIBEXT): $(OBJS)
-	$(call ARCHIVE, $@, $(OBJS))
-
-.depend: Makefile $(SRCS)
-	$(Q) $(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
-	$(Q) touch $@
-
-depend: .depend
-
-clean:
-	$(call DELFILE, libboard$(LIBEXT))
-	$(call CLEAN)
-
-distclean: clean
-	$(call DELFILE, Make.dep)
-	$(call DELFILE, .depend)
-
--include Make.dep
diff --git a/nuttx/configs/efm32-dk3650/src/efm32_boot.c b/nuttx/configs/efm32-dk3650/src/efm32_boot.c
deleted file mode 100644
index 0d66ced74..000000000
--- a/nuttx/configs/efm32-dk3650/src/efm32_boot.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*****************************************************************************
- * configs/efm32-dk3650/src/efm32_boot.c
- *
- *   Copyright (C) 2014 Richard Cochran. All rights reserved.
- *   Author: Richard Cochran <richardcochran@gmail.com>
- *
- * 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-void efm32_boardinitialize(void)
-{
-}