boards/slstk3701a: add Silabs EFM32 Giant Gecko GG11 Starter Kit

boards/slstk3701a/Kconfig

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+# Copyright (c) 2020 HAW Hamburg
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+
+config BOARD
+    default "slstk3701a" if BOARD_SLSTK3701A
+
+config BOARD_SLSTK3701A
+    bool
+    default y
+    select BOARD_COMMON_SILABS
+    select CPU_MODEL_EFM32GG11B820F2048GL192
+    select HAS_PERIPH_ADC
+    select HAS_PERIPH_DAC
+    select HAS_PERIPH_I2C
+    select HAS_PERIPH_RTC
+    select HAS_PERIPH_RTT
+    select HAS_PERIPH_SPI
+    select HAS_PERIPH_TIMER
+    select HAS_PERIPH_UART
+    select HAS_PERIPH_UART_MODECFG
+    select HAS_PERIPH_USBDEV
+
+    select HAVE_SAUL_GPIO
+    select HAVE_SI7021
+
+    select MODULE_SILABS_AEM if TEST_KCONFIG
+    select MODULE_SILABS_BC if TEST_KCONFIG
+
+source "$(RIOTBOARD)/common/silabs/Kconfig"

boards/slstk3701a/Makefile

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+MODULE = board
+
+DIRS = $(RIOTBOARD)/common/silabs
+
+include $(RIOTBASE)/Makefile.base

boards/slstk3701a/Makefile.dep

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+ifneq (,$(filter saul_default,$(USEMODULE)))
+  USEMODULE += efm32_coretemp
+  USEMODULE += saul_gpio
+  USEMODULE += si7021
+endif
+
+# add board common drivers
+USEMODULE += boards_common_silabs
+USEMODULE += silabs_aem
+USEMODULE += silabs_bc
+
+# include board common dependencies
+include $(RIOTBOARD)/common/silabs/Makefile.dep

boards/slstk3701a/Makefile.features

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+CPU = efm32
+CPU_FAM = efm32gg11b
+CPU_MODEL = efm32gg11b820f2048gl192
+
+# Put defined MCU peripherals here (in alphabetical order)
+FEATURES_PROVIDED += periph_adc
+FEATURES_PROVIDED += periph_dac
+FEATURES_PROVIDED += periph_i2c
+FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_rtt
+FEATURES_PROVIDED += periph_spi
+FEATURES_PROVIDED += periph_timer
+FEATURES_PROVIDED += periph_uart periph_uart_modecfg
+FEATURES_PROVIDED += periph_usbdev
+
+include $(RIOTBOARD)/common/silabs/Makefile.features

boards/slstk3701a/Makefile.include

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+# set default port depending on operating system
+PORT_LINUX ?= /dev/ttyACM0
+PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*)))
+
+# setup serial terminal
+include $(RIOTMAKE)/tools/serial.inc.mk
+
+# setup JLink for flashing
+JLINK_PRE_FLASH = r
+
+# include board common
+include $(RIOTBOARD)/common/silabs/Makefile.include

boards/slstk3701a/board.c

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+/*
+ * Copyright (C) 2015-2020 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     boards_slstk3701a
+ * @{
+ *
+ * @file
+ * @brief       Board specific implementations SLSTK3701A board
+ *
+ * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
+ * @author      Bas Stottelaar <basstottelaar@gmail.com>
+ *
+ * @}
+ */
+
+#include "board.h"
+#include "board_common.h"
+
+void board_init(void)
+{
+#ifndef RIOTBOOT
+    /* perform common board initialization */
+    board_common_init();
+#endif
+}