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Posted to commits@nuttx.apache.org by ac...@apache.org on 2022/07/11 00:02:30 UTC

[incubator-nuttx] 02/02: boards: add initial support for stm32g071b-disco board

This is an automated email from the ASF dual-hosted git repository.

acassis pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit 2192b8df2bf8813bc8d276e492eb26089e8e6821
Author: raiden00pl <ra...@railab.me>
AuthorDate: Thu Jul 7 19:06:22 2022 +0200

    boards: add initial support for stm32g071b-disco board
---
 boards/Kconfig                                     |   9 +
 boards/arm/stm32f0l0g0/stm32g071b-disco/Kconfig    |   8 +
 boards/arm/stm32f0l0g0/stm32g071b-disco/README.txt |  15 ++
 .../stm32g071b-disco/configs/nsh/defconfig         |  59 +++++
 .../stm32f0l0g0/stm32g071b-disco/include/board.h   | 178 +++++++++++++
 .../stm32f0l0g0/stm32g071b-disco/scripts/Make.defs |  39 +++
 .../stm32f0l0g0/stm32g071b-disco/scripts/ld.script | 112 ++++++++
 .../arm/stm32f0l0g0/stm32g071b-disco/src/Makefile  |  38 +++
 .../stm32g071b-disco/src/stm32_appinit.c           |  71 +++++
 .../stm32f0l0g0/stm32g071b-disco/src/stm32_boot.c  |  83 ++++++
 .../stm32g071b-disco/src/stm32_bringup.c           |  88 ++++++
 .../stm32g071b-disco/src/stm32_djoystick.c         | 294 +++++++++++++++++++++
 .../stm32g071b-disco/src/stm32_userleds.c          |  90 +++++++
 .../stm32g071b-disco/src/stm32g071b-disco.h        |  96 +++++++
 14 files changed, 1180 insertions(+)

diff --git a/boards/Kconfig b/boards/Kconfig
index ce75222761..e69d9f0888 100644
--- a/boards/Kconfig
+++ b/boards/Kconfig
@@ -1344,6 +1344,14 @@ config ARCH_BOARD_NUCLEO_F446RE
 		This is a minimal configuration that supports low-level test of the
 		Nucleo F446RE in the NuttX source tree.
 
+
+config ARCH_BOARD_STM32G071B_DISCO
+	bool "STM32G071 STM32G071B-DISO "
+	depends on ARCH_CHIP_STM32G071RB
+	select ARCH_HAVE_LEDS
+	---help---
+		The STM32G071B-DISCO board based on the STM32G071RB MCU
+
 config ARCH_BOARD_NUCLEO_G070RB
 	bool "STM32G070 Nucleo G070RB"
 	depends on ARCH_CHIP_STM32G070RB
@@ -2586,6 +2594,7 @@ config ARCH_BOARD
 	default "nucleo-f446re"            if ARCH_BOARD_NUCLEO_F446RE
 	default "nucleo-f410rb"            if ARCH_BOARD_NUCLEO_F410RB
 	default "nucleo-f412zg"            if ARCH_BOARD_NUCLEO_F412ZG
+	default "stm32g071b-disco"         if ARCH_BOARD_STM32G071B_DISCO
 	default "nucleo-g070rb"            if ARCH_BOARD_NUCLEO_G070RB
 	default "nucleo-g071rb"            if ARCH_BOARD_NUCLEO_G071RB
 	default "nucleo-h743zi"            if ARCH_BOARD_NUCLEO_H743ZI
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/Kconfig b/boards/arm/stm32f0l0g0/stm32g071b-disco/Kconfig
new file mode 100644
index 0000000000..956053ae2f
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/Kconfig
@@ -0,0 +1,8 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+if ARCH_BOARD_STM32G071B_DISCO
+
+endif
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/README.txt b/boards/arm/stm32f0l0g0/stm32g071b-disco/README.txt
new file mode 100644
index 0000000000..65b4bf12e1
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/README.txt
@@ -0,0 +1,15 @@
+README
+======
+
+  This README discusses issues unique to NuttX configurations for the
+  STMicro STM32G071B-DISCO development board.  The STM32G071B-DISCO board
+  is based on the STM32G071RB MCU (128Kbytes FLASH and 32Kbytes of SRAM).
+
+  The boards features:
+
+    - An ST-LINK/V2-1 embedded debug tool interface,
+    - 128 x 64 pixels OLED display (SSD1315Z)
+    - LEDs,
+    - 4-way joystick
+    - USB Type-C current sensing based on the INA230 I2C
+      current-shunt and power monitor
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/configs/nsh/defconfig b/boards/arm/stm32f0l0g0/stm32g071b-disco/configs/nsh/defconfig
new file mode 100644
index 0000000000..29ea257999
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/configs/nsh/defconfig
@@ -0,0 +1,59 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_ARCH_LEDS is not set
+# CONFIG_LIBC_LONG_LONG is not set
+# CONFIG_NSH_ARGCAT is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="stm32g071b-disco"
+CONFIG_ARCH_BOARD_STM32G071B_DISCO=y
+CONFIG_ARCH_CHIP="stm32f0l0g0"
+CONFIG_ARCH_CHIP_STM32G071RB=y
+CONFIG_ARCH_CHIP_STM32G0=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_BOARD_LOOPSPERMSEC=2796
+CONFIG_BUILTIN=y
+CONFIG_DISABLE_ENVIRON=y
+CONFIG_DISABLE_MOUNTPOINT=y
+CONFIG_DISABLE_MQUEUE=y
+CONFIG_DISABLE_POSIX_TIMERS=y
+CONFIG_DISABLE_PSEUDOFS_OPERATIONS=y
+CONFIG_EXAMPLES_DJOYSTICK=y
+CONFIG_EXAMPLES_HELLO=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INIT_STACKSIZE=1536
+CONFIG_INPUT=y
+CONFIG_INPUT_DJOYSTICK=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_MM_SMALL=y
+CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=64
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_NUNGET_CHARS=0
+CONFIG_PREALLOC_TIMERS=0
+CONFIG_PTHREAD_MUTEX_UNSAFE=y
+CONFIG_PTHREAD_STACK_DEFAULT=1536
+CONFIG_RAM_SIZE=32760
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_START_DAY=19
+CONFIG_START_MONTH=5
+CONFIG_START_YEAR=2013
+CONFIG_STDIO_DISABLE_BUFFERING=y
+CONFIG_STM32F0L0G0_PWR=y
+CONFIG_STM32F0L0G0_USART3=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=1536
+CONFIG_TLS_NELEM=0
+CONFIG_USART3_SERIAL_CONSOLE=y
+CONFIG_USERLED=y
+CONFIG_USERLED_LOWER=y
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/include/board.h b/boards/arm/stm32f0l0g0/stm32g071b-disco/include/board.h
new file mode 100644
index 0000000000..092d288eb9
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/include/board.h
@@ -0,0 +1,178 @@
+/****************************************************************************
+ * boards/arm/stm32f0l0g0/stm32g071b-disco/include/board.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_ARM_STM32F0L0G0_STM32G071B_DISCO_INCLUDE_BOARD_H
+#define __BOARDS_ARM_STM32F0L0G0_STM32G071B_DISCO_INCLUDE_BOARD_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Clocking *****************************************************************/
+
+/* HSI - Internal 16 MHz RC Oscillator
+ * LSI - 32 KHz RC
+ * HSE - 8 MHz from MCO output of ST-LINK
+ * LSE - 32.768 kHz
+ */
+
+#define STM32_BOARD_XTAL        8000000ul
+
+#define STM32_HSI_FREQUENCY     16000000ul
+#define STM32_LSI_FREQUENCY     32000            /* Between 30kHz and 60kHz */
+#define STM32_HSE_FREQUENCY     STM32_BOARD_XTAL
+#define STM32_LSE_FREQUENCY     32768            /* X2 on board */
+
+/* Main PLL Configuration.
+ *
+ * PLL source is HSI = 16,000,000
+ *
+ * PLL_VCOx = (STM32_HSE_FREQUENCY / PLLM) * PLLN
+ * Subject to:
+ *
+ *   1 <= PLLM <= 8
+ *   8 <= PLLN <= 86
+ *   4 MHz <= PLL_IN <= 16MHz
+ *   64 MHz <= PLL_VCO <= 344MHz
+ *   SYSCLK  = PLLRCLK = PLL_VCO / PLLR
+ *
+ */
+
+/* PLL source is HSI, PLLN=50, PLLM=4
+ * PLLP enable, PLLQ enable, PLLR enable
+ *
+ *   2 <= PLLP <= 32
+ *   2 <= PLLQ <= 8
+ *   2 <= PLLR <= 8
+ *
+ *   PLLR <= 64MHz
+ *   PLLQ <= 128MHz
+ *   PLLP <= 128MHz
+ *
+ *   PLL_VCO = (16,000,000 / 4) * 50 = 200 MHz
+ *
+ *   PLLP = PLL_VCO/4 = 200 MHz / 4 = 40 MHz
+ *   PLLQ = PLL_VCO/4 = 200 MHz / 4 = 40 MHz
+ *   PLLR = PLL_VCO/4 = 200 MHz / 4 = 40 MHz
+ */
+
+#define STM32_PLLCFG_PLLSRC     RCC_PLLCFG_PLLSRC_HSI
+#define STM32_PLLCFG_PLLCFG     (RCC_PLLCFG_PLLPEN | \
+                                 RCC_PLLCFG_PLLQEN | \
+                                 RCC_PLLCFG_PLLREN)
+
+#define STM32_PLLCFG_PLLM       RCC_PLLCFG_PLLM(4)
+#define STM32_PLLCFG_PLLN       RCC_PLLCFG_PLLN(50)
+#define STM32_PLLCFG_PLLP       RCC_PLLCFG_PLLP(4)
+#define STM32_PLLCFG_PLLQ       RCC_PLLCFG_PLLQ(4)
+#define STM32_PLLCFG_PLLR       RCC_PLLCFG_PLLR(4)
+
+#define STM32_VCO_FREQUENCY     ((STM32_HSE_FREQUENCY / 2) * 50)
+#define STM32_PLLP_FREQUENCY    (STM32_VCO_FREQUENCY / 4)
+#define STM32_PLLQ_FREQUENCY    (STM32_VCO_FREQUENCY / 4)
+#define STM32_PLLR_FREQUENCY    (STM32_VCO_FREQUENCY / 4)
+
+/* Use the PLL and set the SYSCLK source to be the PLLR (40MHz) */
+
+#define STM32_SYSCLK_SW         RCC_CFGR_SW_PLL
+#define STM32_SYSCLK_SWS        RCC_CFGR_SWS_PLL
+#define STM32_SYSCLK_FREQUENCY  (STM32_PLLR_FREQUENCY)
+#define STM32_SYSCLK_FREQUENCY  (STM32_PLLR_FREQUENCY)
+
+/* AHB clock (HCLK) is SYSCLK (40MHz) */
+
+#define STM32_RCC_CFGR_HPRE     RCC_CFGR_HPRE_SYSCLK
+#define STM32_HCLK_FREQUENCY    STM32_SYSCLK_FREQUENCY
+
+/* APB1 clock (PCLK1) is HCLK/2 (20MHz) */
+
+#define STM32_RCC_CFGR_PPRE1    RCC_CFGR_PPRE1_HCLKd2
+#define STM32_PCLK1_FREQUENCY   (STM32_HCLK_FREQUENCY/2)
+
+/* LED definitions **********************************************************/
+
+/* LED index values for use with board_userled() */
+
+#define BOARD_LEDSINK   0 /* LD4: SINK mode LED */
+#define BOARD_LEDSOURCE 1 /* LD5: SOURCE mode LED */
+#define BOARD_LEDSPY    2 /* LD6: SPY mode LED */
+#define BOARD_LEDCC     3 /* LD7: CC mode LED */
+#define BOARD_NLEDS     4
+
+/* LED bits for use with board_userled_all() */
+
+#define BOARD_LEDSINK_BIT   (1 << BOARD_LEDSINK)
+#define BOARD_LEDSOURCE_BIT (1 << BOARD_LEDSOURCE)
+#define BOARD_LEDSPY_BIT    (1 << BOARD_LEDSPY)
+#define BOARD_LEDCC_BIT     (1 << BOARD_LEDCC)
+
+/* Button definitions *******************************************************/
+
+/* The STM32G071B-DISO supports one buttons:
+ *
+ *   B1 RESET: push button connected to NRST is used to RESET the
+ *             STM32G071RB.
+ *
+ * and a Joystick:
+ *
+ *   Joystick center - PC0
+ *   Joystick down   - PC2
+ *   Joystick left   - PC1
+ *   Joystick right  - PC3
+ *   Joystick up     - PC4
+ */
+
+/* Alternate function pin selections ****************************************/
+
+/* USART */
+
+/* By default the USART3 is connected to STLINK Virtual COM Port:
+ * USART3_RX - PC11
+ * USART3_TX - PC10
+ */
+
+#define GPIO_USART3_RX GPIO_USART3_RX_6 /* PC11 */
+#define GPIO_USART3_TX GPIO_USART3_TX_6 /* PC10 */
+
+/* I2C1
+ *   I2C1_SCL - PB6
+ *   I2C1_SDA - PB7
+ */
+
+#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 /* PB6 */
+#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 /* PB7 */
+
+/* SPI1 - OLED display
+ *   SPI1_MISO - not used
+ *   SPI1_MOSI - PA2
+ *   SPI1_SCK  - PA1
+ */
+
+#undef  GPIO_SPI1_MISO                  /* Not used */
+#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1 /* PA2 */
+#define GPIO_SPI1_SCK  GPIO_SPI1_SCK_1  /* PA1 */
+
+#endif /* __BOARDS_ARM_STM32F0L0G0_STM32G071B_DISCO_INCLUDE_BOARD_H */
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/Make.defs b/boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/Make.defs
new file mode 100644
index 0000000000..0d892e32cb
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/Make.defs
@@ -0,0 +1,39 @@
+############################################################################
+# boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+include $(TOPDIR)/.config
+include $(TOPDIR)/tools/Config.mk
+include $(TOPDIR)/arch/arm/src/armv6-m/Toolchain.defs
+
+LDSCRIPT = ld.script
+ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT)
+
+ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
+
+CFLAGS := $(ARCHCFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
+CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
+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
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/ld.script b/boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/ld.script
new file mode 100644
index 0000000000..beb5b1237c
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/ld.script
@@ -0,0 +1,112 @@
+/****************************************************************************
+* boards/arm/stm32f0l0g0/stm32g071b-disco/scripts/ld.script
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/* The STM32GO71RB has 128Kb of FLASH beginning at address 0x0800:0000.
+ * 32Kb of SRAM
+ *
+ * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
+ * where the code expects to begin execution by jumping to the entry point in
+ * the 0x0800:0000 address range.
+ */
+
+MEMORY
+{
+  flash (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+  sram (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
+}
+
+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 : ALIGN(4) {
+        _sinit = ABSOLUTE(.);
+        *(.init_array .init_array.*)
+        _einit = ABSOLUTE(.);
+    } > flash
+
+    .ARM.extab : ALIGN(4) {
+        *(.ARM.extab*)
+    } > flash
+
+    .ARM.exidx : ALIGN(4) {
+        __exidx_start = ABSOLUTE(.);
+        *(.ARM.exidx*)
+        __exidx_end = ABSOLUTE(.);
+    } > flash
+
+    _eronly = ABSOLUTE(.);
+
+    /* The RAM vector table (if present) should lie at the beginning of SRAM */
+
+    .ram_vectors : {
+        *(.ram_vectors)
+    } > sram
+
+    .data : ALIGN(4) {
+        _sdata = ABSOLUTE(.);
+        *(.data .data.*)
+        *(.gnu.linkonce.d.*)
+        CONSTRUCTORS
+        . = ALIGN(4);
+        _edata = ABSOLUTE(.);
+    } > sram AT > flash
+
+    .bss : ALIGN(4) {
+        _sbss = ABSOLUTE(.);
+        *(.bss .bss.*)
+        *(.gnu.linkonce.b.*)
+        *(COMMON)
+        . = ALIGN(4);
+        _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/boards/arm/stm32f0l0g0/stm32g071b-disco/src/Makefile b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/Makefile
new file mode 100644
index 0000000000..76f9124adf
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/Makefile
@@ -0,0 +1,38 @@
+############################################################################
+# boards/arm/stm32f0l0g0/stm32g071b-disco/src/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+include $(TOPDIR)/Make.defs
+
+CSRCS = stm32_boot.c stm32_bringup.c
+
+# no auto leds
+ifeq ($(CONFIG_USERLED),y)
+CSRCS += stm32_userleds.c
+endif
+
+ifeq ($(CONFIG_BOARDCTL),y)
+CSRCS += stm32_appinit.c
+endif
+
+ifeq ($(CONFIG_INPUT_DJOYSTICK),y)
+CSRCS += stm32_djoystick.c
+endif
+
+include $(TOPDIR)/boards/Board.mk
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_appinit.c b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_appinit.c
new file mode 100644
index 0000000000..f03c6fb054
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_appinit.c
@@ -0,0 +1,71 @@
+/****************************************************************************
+ * boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_appinit.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+
+#include "stm32g071b-disco.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_app_initialize
+ *
+ * Description:
+ *   Perform application specific initialization.  This function is never
+ *   called directly from application code, but only indirectly via the
+ *   (non-standard) boardctl() interface using the command BOARDIOC_INIT.
+ *
+ * Input Parameters:
+ *   arg - The boardctl() argument is passed to the board_app_initialize()
+ *         implementation without modification.  The argument has no
+ *         meaning to NuttX; the meaning of the argument is a contract
+ *         between the board-specific initialization logic and the
+ *         matching application logic.  The value could be such things as a
+ *         mode enumeration value, a set of DIP switch switch settings, a
+ *         pointer to configuration data read from a file or serial FLASH,
+ *         or whatever you would like to do with it.  Every implementation
+ *         should accept zero/NULL as a default configuration.
+ *
+ * Returned Value:
+ *   Zero (OK) is returned on success; a negated errno value is returned on
+ *   any failure to indicate the nature of the failure.
+ *
+ ****************************************************************************/
+
+int board_app_initialize(uintptr_t arg)
+{
+#ifdef CONFIG_BOARD_LATE_INITIALIZE
+  /* Board initialization already performed by board_late_initialize() */
+
+  return OK;
+#else
+  /* Perform board-specific initialization */
+
+  return stm32_bringup();
+#endif
+}
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_boot.c b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_boot.c
new file mode 100644
index 0000000000..2124827276
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_boot.c
@@ -0,0 +1,83 @@
+/****************************************************************************
+ * boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_boot.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <nuttx/board.h>
+#include <arch/board/board.h>
+
+#include "stm32g071b-disco.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_boardinitialize
+ *
+ * Description:
+ *   All STM32 architectures must provide the following entry point.  This
+ *   entry point is called early in the initialization -- after all memory
+ *   has been configured and mapped but before any devices have been
+ *   initialized.
+ *
+ ****************************************************************************/
+
+void stm32_boardinitialize(void)
+{
+#ifdef CONFIG_ARCH_LEDS
+  /* Configure on-board LEDs if LED support has been selected. */
+
+  board_autoled_initialize();
+#endif
+
+#ifdef CONFIG_STM32F0L0G0_SPI
+  /* Configure SPI chip selects */
+
+  stm32_spidev_initialize();
+#endif
+}
+
+/****************************************************************************
+ * Name: board_late_initialize
+ *
+ * Description:
+ *   If CONFIG_BOARD_LATE_INITIALIZE is selected, then an additional
+ *   initialization call will be performed in the boot-up sequence to a
+ *   function called board_late_initialize().  board_late_initialize() will
+ *   be called immediately after up_initialize() is called and just before
+ *   the initial application is started.  This additional initialization
+ *   phase may be used, for example, to initialize board-specific device
+ *   drivers.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_BOARD_LATE_INITIALIZE
+void board_late_initialize(void)
+{
+  /* Perform board-specific initialization */
+
+  stm32_bringup();
+}
+#endif
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_bringup.c b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_bringup.c
new file mode 100644
index 0000000000..91787c9f25
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_bringup.c
@@ -0,0 +1,88 @@
+/****************************************************************************
+ * boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_bringup.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <syslog.h>
+
+#include <nuttx/board.h>
+
+#include "stm32g071b-disco.h"
+
+#ifdef CONFIG_USERLED
+#  include <nuttx/leds/userled.h>
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_bringup
+ *
+ * Description:
+ *   Perform architecture-specific initialization
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=y :
+ *     Called from board_late_initialize().
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y :
+ *     Called from the NSH library
+ *
+ ****************************************************************************/
+
+int stm32_bringup(void)
+{
+  int ret;
+
+#ifdef CONFIG_USERLED
+  /* Register the LED driver */
+
+  ret = userled_lower_initialize(LED_DRIVER_PATH);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n",
+             ret);
+      return ret;
+    }
+#endif
+
+#ifdef CONFIG_INPUT_DJOYSTICK
+  /* Initialize and register the joystick driver */
+
+  ret = stm32_djoy_initialization();
+  if (ret != OK)
+    {
+      syslog(LOG_ERR,
+             "ERROR: Failed to register the joystick driver: %d\n", ret);
+      return ret;
+    }
+
+  syslog(LOG_INFO, "Successfully registered the joystick driver\n");
+#endif
+
+  UNUSED(ret);
+  return OK;
+}
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_djoystick.c b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_djoystick.c
new file mode 100644
index 0000000000..bcfd9455ac
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_djoystick.c
@@ -0,0 +1,294 @@
+/****************************************************************************
+ * boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_djoystick.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <assert.h>
+#include <debug.h>
+
+#include <nuttx/irq.h>
+#include <nuttx/arch.h>
+#include <nuttx/input/djoystick.h>
+
+#include "stm32_gpio.h"
+#include "stm32g071b-disco.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Number of Joystick discretes */
+
+#define DJOY_NGPIOS  5
+
+/* Bitset of supported Joystick discretes */
+
+#define DJOY_SUPPORTED (DJOY_UP_BIT | DJOY_DOWN_BIT | DJOY_LEFT_BIT | \
+                        DJOY_RIGHT_BIT | DJOY_BUTTON_SELECT_BIT)
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static djoy_buttonset_t
+djoy_supported(const struct djoy_lowerhalf_s *lower);
+static djoy_buttonset_t
+djoy_sample(const struct djoy_lowerhalf_s *lower);
+static void djoy_enable(const struct djoy_lowerhalf_s *lower,
+                        djoy_buttonset_t press, djoy_buttonset_t release,
+                        djoy_interrupt_t handler, void *arg);
+
+static void djoy_disable(void);
+static int djoy_interrupt(int irq, void *context, void *arg);
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* Pin configuration for each stm32g071b-disco joystick "button."
+ * Index using DJOY_* definitions in include/nuttx/input/djoystick.h.
+ */
+
+static const uint32_t g_joygpio[DJOY_NGPIOS] =
+{
+  GPIO_JOY_UP, GPIO_JOY_DOWN, GPIO_JOY_LEFT, GPIO_JOY_RIGHT, GPIO_JOY_SEL
+};
+
+/* Current interrupt handler and argument */
+
+static djoy_interrupt_t g_djoyhandler;
+static void *g_djoyarg;
+
+/* This is the discrete joystick lower half driver interface */
+
+static const struct djoy_lowerhalf_s g_djoylower =
+{
+  .dl_supported  = djoy_supported,
+  .dl_sample     = djoy_sample,
+  .dl_enable     = djoy_enable,
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: djoy_supported
+ *
+ * Description:
+ *   Return the set of buttons supported on the discrete joystick device
+ *
+ ****************************************************************************/
+
+static djoy_buttonset_t
+djoy_supported(const struct djoy_lowerhalf_s *lower)
+{
+  iinfo("Supported: %02x\n", DJOY_SUPPORTED);
+  return (djoy_buttonset_t)DJOY_SUPPORTED;
+}
+
+/****************************************************************************
+ * Name: djoy_sample
+ *
+ * Description:
+ *   Return the current state of all discrete joystick buttons
+ *
+ ****************************************************************************/
+
+static djoy_buttonset_t djoy_sample(const struct djoy_lowerhalf_s *lower)
+{
+  djoy_buttonset_t ret = 0;
+  int i;
+  bool released;
+
+  /* Read each joystick GPIO value */
+
+  for (i = 0; i < DJOY_NGPIOS; i++)
+    {
+      released = stm32_gpioread(g_joygpio[i]);
+      if (!released)
+        {
+          ret |= (1 << i);
+        }
+    }
+
+  iinfo("Retuning: %02x\n", DJOY_SUPPORTED);
+  return ret;
+}
+
+/****************************************************************************
+ * Name: djoy_enable
+ *
+ * Description:
+ *   Enable interrupts on the selected set of joystick buttons.  And empty
+ *   set will disable all interrupts.
+ *
+ ****************************************************************************/
+
+static void djoy_enable(const struct djoy_lowerhalf_s *lower,
+                        djoy_buttonset_t press, djoy_buttonset_t release,
+                        djoy_interrupt_t handler, void *arg)
+{
+  irqstate_t flags;
+  djoy_buttonset_t either = press | release;
+  djoy_buttonset_t bit;
+  bool rising;
+  bool falling;
+  int i;
+
+  /* Start with all interrupts disabled */
+
+  flags = enter_critical_section();
+  djoy_disable();
+
+  iinfo("press: %02x release: %02x handler: %p arg: %p\n",
+        press, release, handler, arg);
+
+  /* If no events are indicated or if no handler is provided, then this
+   * must really be a request to disable interrupts.
+   */
+
+  if (either && handler)
+    {
+      /* Save the new the handler and argument */
+
+      g_djoyhandler = handler;
+      g_djoyarg     = arg;
+
+      /* Check each GPIO. */
+
+      for (i = 0; i < DJOY_NGPIOS; i++)
+        {
+          /* Enable interrupts on each pin that has either a press or
+           * release event associated with it.
+           */
+
+          bit = (1 << i);
+          if ((either & bit) != 0)
+            {
+              /* Active low so a press corresponds to a falling edge and
+               * a release corresponds to a rising edge.
+               */
+
+              falling = ((press & bit) != 0);
+              rising  = ((release & bit) != 0);
+
+              iinfo("GPIO %d: rising: %d falling: %d\n",
+                      i, rising, falling);
+
+              stm32_gpiosetevent(g_joygpio[i], rising, falling,
+                                  true, djoy_interrupt, NULL);
+            }
+        }
+    }
+
+  leave_critical_section(flags);
+}
+
+/****************************************************************************
+ * Name: djoy_disable
+ *
+ * Description:
+ *   Disable all joystick interrupts
+ *
+ ****************************************************************************/
+
+static void djoy_disable(void)
+{
+  irqstate_t flags;
+  int i;
+
+  /* Disable each joystick interrupt */
+
+  flags = enter_critical_section();
+  for (i = 0; i < DJOY_NGPIOS; i++)
+    {
+      stm32_gpiosetevent(g_joygpio[i], false, false, false, NULL, NULL);
+    }
+
+  leave_critical_section(flags);
+
+  /* Nullify the handler and argument */
+
+  g_djoyhandler = NULL;
+  g_djoyarg     = NULL;
+}
+
+/****************************************************************************
+ * Name: djoy_interrupt
+ *
+ * Description:
+ *   Discrete joystick interrupt handler
+ *
+ ****************************************************************************/
+
+static int djoy_interrupt(int irq, void *context, void *arg)
+{
+  DEBUGASSERT(g_djoyhandler);
+  if (g_djoyhandler)
+    {
+      g_djoyhandler(&g_djoylower, g_djoyarg);
+    }
+
+  return OK;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_djoy_initialization
+ *
+ * Description:
+ *   Initialize and register the discrete joystick driver
+ *
+ ****************************************************************************/
+
+int stm32_djoy_initialization(void)
+{
+  int i;
+
+  /* Configure the GPIO pins as inputs.    NOTE: This is unnecessary for
+   * interrupting pins since it will also be done by stm32_gpiosetevent().
+   */
+
+  for (i = 0; i < DJOY_NGPIOS; i++)
+    {
+      stm32_configgpio(g_joygpio[i]);
+    }
+
+  /* Make sure that all interrupts are disabled */
+
+  djoy_disable();
+
+  /* Register the joystick device as /dev/djoy0 */
+
+  return djoy_register("/dev/djoy0", &g_djoylower);
+}
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_userleds.c b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_userleds.c
new file mode 100644
index 0000000000..d97bb11a00
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_userleds.c
@@ -0,0 +1,90 @@
+/****************************************************************************
+ * boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32_userleds.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <nuttx/board.h>
+
+#include "stm32_gpio.h"
+#include "stm32g071b-disco.h"
+
+#include <arch/board/board.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* This array maps an LED number to GPIO pin configuration */
+
+static uint32_t g_ledcfg[BOARD_NLEDS] =
+{
+  GPIO_LEDSINK, GPIO_LEDSOURCE, GPIO_LEDSPY, GPIO_LEDCC
+};
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_userled_initialize
+ ****************************************************************************/
+
+uint32_t board_userled_initialize(void)
+{
+  /* Configure LED GPIOs for output */
+
+  stm32_configgpio(GPIO_LEDSINK);
+  stm32_configgpio(GPIO_LEDSOURCE);
+  stm32_configgpio(GPIO_LEDSPY);
+  stm32_configgpio(GPIO_LEDCC);
+
+  return BOARD_NLEDS;
+}
+
+/****************************************************************************
+ * Name: board_userled
+ ****************************************************************************/
+
+void board_userled(int led, bool ledon)
+{
+  if ((unsigned)led < BOARD_NLEDS)
+    {
+      stm32_gpiowrite(g_ledcfg[led], !ledon);
+    }
+}
+
+/****************************************************************************
+ * Name: board_userled_all
+ ****************************************************************************/
+
+void board_userled_all(uint32_t ledset)
+{
+  stm32_gpiowrite(GPIO_LEDSINK, (ledset & BOARD_LEDSINK_BIT) != 0);
+  stm32_gpiowrite(GPIO_LEDSOURCE, (ledset & BOARD_LEDSOURCE_BIT) != 0);
+  stm32_gpiowrite(GPIO_LEDSPY, (ledset & BOARD_LEDSPY_BIT) != 0);
+  stm32_gpiowrite(GPIO_LEDCC, (ledset & BOARD_LEDCC_BIT) != 0);
+}
diff --git a/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32g071b-disco.h b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32g071b-disco.h
new file mode 100644
index 0000000000..f3ee8e7680
--- /dev/null
+++ b/boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32g071b-disco.h
@@ -0,0 +1,96 @@
+/****************************************************************************
+ * boards/arm/stm32f0l0g0/stm32g071b-disco/src/stm32g071b-disco.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_ARM_STM32F0L0G0_STM32G071B_DISCO_SRC_STM32G071B_DISCO_H
+#define __BOARDS_ARM_STM32F0L0G0_STM32G071B_DISCO_SRC_STM32G071B_DISCO_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* LED definitions **********************************************************/
+
+#define GPIO_LEDSINK      (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_HIGH | \
+                           GPIO_OUTPUT_CLEAR | GPIO_PORTD | GPIO_PIN9)
+#define GPIO_LEDSOURCE    (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_HIGH | \
+                           GPIO_OUTPUT_CLEAR | GPIO_PORTD | GPIO_PIN8)
+#define GPIO_LEDSPY       (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_HIGH | \
+                           GPIO_OUTPUT_CLEAR | GPIO_PORTC | GPIO_PIN12)
+#define GPIO_LEDCC        (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_HIGH | \
+                           GPIO_OUTPUT_CLEAR | GPIO_PORTD | GPIO_PIN5)
+
+#define LED_DRIVER_PATH "/dev/userleds"
+
+/* Joystic definitions ******************************************************/
+
+#define GPIO_JOY_SEL     (GPIO_INPUT | GPIO_PULLDOWN | GPIO_EXTI | \
+                          GPIO_PORTC | GPIO_PIN0)
+#define GPIO_JOY_DOWN    (GPIO_INPUT | GPIO_PULLDOWN | GPIO_EXTI | \
+                          GPIO_PORTC | GPIO_PIN2)
+#define GPIO_JOY_LEFT    (GPIO_INPUT | GPIO_PULLDOWN | GPIO_EXTI | \
+                          GPIO_PORTC | GPIO_PIN1)
+#define GPIO_JOY_RIGHT   (GPIO_INPUT | GPIO_PULLDOWN | GPIO_EXTI | \
+                          GPIO_PORTC | GPIO_PIN3)
+#define GPIO_JOY_UP      (GPIO_INPUT | GPIO_PULLDOWN | GPIO_EXTI | \
+                          GPIO_PORTC | GPIO_PIN4)
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_bringup
+ *
+ * Description:
+ *   Perform architecture-specific initialization
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=y :
+ *     Called from board_late_initialize().
+ *
+ *   CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_BOARDCTL=y :
+ *     Called from the NSH library
+ *
+ ****************************************************************************/
+
+int stm32_bringup(void);
+
+/****************************************************************************
+ * Name: stm32_djoy_initialization
+ *
+ * Description:
+ *   Initialize and register the discrete joystick driver
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_INPUT_DJOYSTICK
+int stm32_djoy_initialization(void);
+#endif
+
+#endif /* __BOARDS_ARM_STM32F0L0G0_STM32G071B_DISCO_SRC_STM32G071B_DISCO_H */