STM32GG Starter Kit: Add Makefile and boot logic
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Gregory Nutt
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83
configs/efm32gg-stk3700/src/Makefile
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configs/efm32gg-stk3700/src/Makefile
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############################################################################
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# configs/efm32gg-stk3700/src/Makefile
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#
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# Copyright (C) 2014 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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-include $(TOPDIR)/Make.defs
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CSRCS = efm32_boot.c
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ifeq ($(CONFIG_ARCH_LEDS),y)
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CSRCS += efm32_autoleds.c
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else
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CSRCS += efm32_userleds.c
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endif
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
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ifeq ($(CONFIG_WINDOWS_NATIVE),y)
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CFLAGS += -I$(ARCH_SRCDIR)\chip -I$(ARCH_SRCDIR)\common -I$(ARCH_SRCDIR)\armv7-m
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else
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ifeq ($(WINTOOL),y)
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CFLAGS += -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}" \
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-I "${shell cygpath -w $(ARCH_SRCDIR)/common}" \
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-I "${shell cygpath -w $(ARCH_SRCDIR)/armv7-m}"
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else
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CFLAGS += -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(ARCH_SRCDIR)/armv7-m
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endif
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endif
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$(COBJS) $(LINKOBJS): %$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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libboard$(LIBEXT): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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.depend: Makefile $(SRCS)
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$(Q) $(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
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$(Q) touch $@
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depend: .depend
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clean:
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$(call DELFILE, libboard$(LIBEXT))
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$(call CLEAN)
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distclean: clean
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$(call DELFILE, Make.dep)
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$(call DELFILE, .depend)
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-include Make.dep
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98
configs/efm32gg-stk3700/src/efm32_boot.c
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configs/efm32gg-stk3700/src/efm32_boot.c
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/*****************************************************************************
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* configs/efm32gg-stk3700/src/efm32_boot.c
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include "efm32_gpio.h"
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#include "efm32_start.h"
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#include "efm32gg-stk3700.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: efm32_boardinitialize
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*
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* Description:
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* All EFM32 architectures must provide the following entry point. This
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* entry point is called early in the initialization before any devices
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* have been initialized.
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*
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****************************************************************************/
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void efm32_boardinitialize(void)
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{
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#ifdef CONFIG_EFM32_UART0
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/* The kit contains a board controller that is responsible for performing
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* various board level tasks, such as handling the debugger and the Advanced
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* Energy Monitor. An interface is provided between the EFM32 and the board
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* controller in the form of a UART connection. The connection is enabled by
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* setting the EFM_BC_EN (PF7) line high, and using the lines EFM_BC_TX
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* (PE0) and EFM_BC_RX (PE1) for communicating.
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*/
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efm32_configgpio(GPIO_BC_EN);
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#endif
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#ifdef CONFIG_ARCH_LEDS
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/* Configure on-board LEDs if LED support has been selected. */
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board_led_initialize();
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#endif
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}
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/****************************************************************************
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* Name: board_initialize
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*
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* Description:
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* If CONFIG_BOARD_INITIALIZE is selected, then an additional
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* initialization call will be performed in the boot-up sequence to a
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* function called board_initialize(). board_initialize() will be
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* called immediately after up_initialize() is called and just before the
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* initial application is started. This additional initialization phase
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* may be used, for example, to initialize board-specific device drivers.
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*
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****************************************************************************/
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#ifdef CONFIG_BOARD_INITIALIZE
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void board_initialize(void)
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{
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}
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#endif
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