boards/ra4: Add support for Arduino-R4-Minima

Add support for arduino-r4-minima. Created defconfig and board source files for: * nsh * nsh-leds Signed-off-by: leocafonso <[email protected]>
apache · Feb 25, 2025 · a0d142c · a0d142c
1 parent cf643fa
commit a0d142c
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diff --git a/boards/Kconfig b/boards/Kconfig
@@ -35,6 +35,14 @@ config ARCH_BOARD_ARDUINO_DUE
 		This options selects the Arduino DUE board featuring the Atmel
 		ATSAM3X8E MCU running at 84 MHz.
 
+config ARCH_BOARD_ARDUINO_R4_MINIMA
+	bool "Arduino R4 Minima"
+	depends on ARCH_CHIP_RA4
+	select ARCH_HAVE_LEDS
+	---help---
+		This options selects the Arduino R4 Minima board featuring the Renesas
+		R7FA4M1 MCU running at 48 MHz.
+
 config ARCH_BOARD_ARDUINO_M0
 	bool "Arduino M0"
 	depends on ARCH_CHIP_SAMD21G18A
@@ -3313,6 +3321,7 @@ config ARCH_BOARD
 	default "amber"                     if ARCH_BOARD_AMBER
 	default "arduino-mega2560"          if ARCH_BOARD_ARDUINO_MEGA2560
 	default "arduino-due"               if ARCH_BOARD_ARDUINO_DUE
+	default "arduino-r4-minima"         if ARCH_BOARD_ARDUINO_R4_MINIMA
 	default "arduino-m0"                if ARCH_BOARD_ARDUINO_M0
 	default "arduino-nano-33ble"        if ARCH_BOARD_ARDUINO_NANO_33BLE
 	default "arduino-nano-33ble-rev2"   if ARCH_BOARD_ARDUINO_NANO_33BLE_REV2
@@ -4000,6 +4009,9 @@ endif
 if ARCH_BOARD_ARDUINO_DUE
 source "boards/arm/sam34/arduino-due/Kconfig"
 endif
+if ARCH_BOARD_ARDUINO_R4_MINIMA
+source "boards/arm/ra4/arduino-r4-minima/Kconfig"
+endif
 if ARCH_BOARD_ARDUINO_M0
 source "boards/arm/samd2l2/arduino-m0/Kconfig"
 endif

diff --git a/boards/arm/ra4/arduino-r4-minima/CMakeLists.txt b/boards/arm/ra4/arduino-r4-minima/CMakeLists.txt
@@ -0,0 +1,21 @@
+# ##############################################################################
+# boards/arm/nrf52/nrf52-feather/CMakeLists.txt
+#
+# 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.
+#
+# ##############################################################################
+
+add_subdirectory(src)
diff --git a/boards/arm/ra4/arduino-r4-minima/Kconfig b/boards/arm/ra4/arduino-r4-minima/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_ARDUINO_R4_MINIMA
+
+endif
diff --git a/boards/arm/ra4/arduino-r4-minima/configs/nsh-leds/defconfig b/boards/arm/ra4/arduino-r4-minima/configs/nsh-leds/defconfig
@@ -0,0 +1,41 @@
+#
+# 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_READLINE_ECHO is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="arduino-r4-minima"
+CONFIG_ARCH_BOARD_ARDUINO_R4_MINIMA=y
+CONFIG_ARCH_CHIP="ra4"
+CONFIG_ARCH_CHIP_R7FA4M1ABxxFM=y
+CONFIG_ARCH_CHIP_RA4=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_BOARD_LOOPSPERMSEC=6965
+CONFIG_BUILTIN=y
+CONFIG_FS_PROCFS=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=32768
+CONFIG_RAM_START=0x20000000
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SCI2_SERIAL_CONSOLE=y
+CONFIG_START_DAY=28
+CONFIG_START_MONTH=6
+CONFIG_START_YEAR=2013
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=32
+CONFIG_USERLED=y
+CONFIG_USERLED_LOWER=y
diff --git a/boards/arm/ra4/arduino-r4-minima/configs/nsh/defconfig b/boards/arm/ra4/arduino-r4-minima/configs/nsh/defconfig
@@ -0,0 +1,40 @@
+#
+# 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="arm"
+CONFIG_ARCH_BOARD="arduino-r4-minima"
+CONFIG_ARCH_BOARD_ARDUINO_R4_MINIMA=y
+CONFIG_ARCH_CHIP="ra4"
+CONFIG_ARCH_CHIP_R7FA4M1ABxxFM=y
+CONFIG_ARCH_CHIP_RA4=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_BOARD_LOOPSPERMSEC=6965
+CONFIG_BUILTIN=y
+CONFIG_FS_PROCFS=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=32768
+CONFIG_RAM_START=0x20000000
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SCI2_SERIAL_CONSOLE=y
+CONFIG_START_DAY=28
+CONFIG_START_MONTH=6
+CONFIG_START_YEAR=2013
+CONFIG_SYSTEM_NSH=y
+CONFIG_TASK_NAME_SIZE=32
+CONFIG_TESTING_OSTEST=y
+CONFIG_TESTING_OSTEST_NBARRIER_THREADS=3
+CONFIG_TESTING_OSTEST_STACKSIZE=2048
diff --git a/boards/arm/ra4/arduino-r4-minima/include/board.h b/boards/arm/ra4/arduino-r4-minima/include/board.h
@@ -0,0 +1,128 @@
+/****************************************************************************
+ * boards/arm/ra4/arduino-r4-minima/include/board.h
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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_RA_ARDUINO_UNO_R4_INCLUDE_BOARD_H
+#define __BOARDS_ARM_RA_ARDUINO_UNO_R4_INCLUDE_BOARD_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Clocking *****************************************************************/
+
+/* This is the canonical configuration:
+ *   System Clock source      : HOCO
+ *   ICLK(Hz)                 : 64000000
+ *   PCLKA(Hz)                : 64000000
+ *   PCLKB(Hz)                : 64000000
+ *   PCLKC(Hz)                : 64000000
+ *   PCLKD(Hz)                : 64000000
+ *   FCLK(Hz)                 : 64000000
+ *   USBCLK(Hz)               : 0
+ */
+
+/* Clock selection HOCO, MOCO, LOCO, PLL */
+
+#define RA_CKSEL  R_SYSTEM_SCKSCR_CKSEL_HOCO
+
+#define RA_HOCOEN     !R_OFS1_HOCOEN /* Inverted logic to enable */
+#define RA_HOCO_FREQUENCY  R_OFS1_HOCOFRQ1_64MHZ
+
+#define RA_ICK_DIV       R_SYSTEM_SCKDIVCR_ICK_DIV_1
+#define RA_ICLK_FREQUENCY  64000000
+#define RA_FCK_DIV       R_SYSTEM_SCKDIVCR_FCK_DIV_1
+#define RA_FCK_FREQUENCY  64000000
+#define RA_PCKA_DIV      R_SYSTEM_SCKDIVCR_PCKA_DIV_1
+#define RA_PCKA_FREQUENCY  64000000
+#define RA_PCKB_DIV      R_SYSTEM_SCKDIVCR_PCKB_DIV_1
+#define RA_PCKB_FREQUENCY  64000000
+#define RA_PCKC_DIV      R_SYSTEM_SCKDIVCR_PCKC_DIV_1
+#define RA_PCKC_FREQUENCY  64000000
+#define RA_PCKD_DIV      R_SYSTEM_SCKDIVCR_PCKD_DIV_1
+#define RA_PCKD_FREQUENCY  64000000
+
+/* Alternate function pin selections */
+
+#define GPIO_SCI2_RX   GPIO_RXD2_MISO2_SCL2_1  /* P301 */
+#define GPIO_SCI2_TX   GPIO_TXD2_MOSI2_SDA2_1  /* P302 */
+
+#define GPIO_SCI1_RX   GPIO_RXD1_MISO1_SCL1_3  /* P502 */
+#define GPIO_SCI1_TX   GPIO_TXD1_MOSI1_SDA1_3  /* P501 */
+
+#define GPIO_SCI9_RX   GPIO_RXD9_MISO9_SCL9_1  /* P110 */
+#define GPIO_SCI9_TX   GPIO_TXD9_MOSI9_SDA9_1  /* P109 */
+
+/* LED pin selections */
+
+#define GPIO_L_LED    (gpio_pinset_t){ PORT1,PIN11, (GPIO_OUPUT | GPIO_LOW_DRIVE | GPIO_OUTPUT_LOW)}   /* P111 */
+#define GPIO_TX_LED   (gpio_pinset_t){ PORT0,PIN12, (GPIO_OUPUT | GPIO_LOW_DRIVE | GPIO_OUTPUT_HIGH)}  /* P012 */
+#define GPIO_RX_LED   (gpio_pinset_t){ PORT0,PIN13, (GPIO_OUPUT | GPIO_LOW_DRIVE | GPIO_OUTPUT_HIGH)}  /* P013 */
+
+#define LED_DRIVER_PATH "/dev/userleds"
+
+/* LED index values for use with board_userled() */
+
+#define BOARD_LED_L       0
+#define BOARD_LED_RX      1
+#define BOARD_LED_TX      2
+#define BOARD_NLEDS       3
+
+/* LED bits for use with board_userled_all() */
+
+#define BOARD_LED_L_BIT   (1 << BOARD_LED_L)
+#define BOARD_LED_RX_BIT  (1 << BOARD_LED_RX)
+#define BOARD_LED_TX_BIT  (1 << BOARD_LED_TX)
+
+/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
+ * defined.  In that case, the usage by the board port is defined in
+ * include/board.h and src/ra4m1_leds.c. The LEDs are used to encode
+ * OS-related events as follows:
+ *
+ *  SYMBOL                MEANING                         LED STATE
+ *                                                         L   TX   RX
+ *  -----------------------  --------------------------  ---- ---- ----
+ */
+
+ #define LED_STARTED       0  /* NuttX has been started   OFF OFF  OFF      */
+ #define LED_HEAPALLOCATE  0  /* Heap has been allocated  OFF OFF  OFF      */
+ #define LED_IRQSENABLED   0  /* Interrupts enabled       OFF OFF  OFF      */
+ #define LED_STACKCREATED  1  /* Idle stack created       ON  OFF  OFF      */
+ #define LED_INIRQ         2  /* In an interrupt          N/C GLOW OFF      */
+ #define LED_SIGNAL        2  /* In a signal handler      N/C GLOW OFF      */
+ #define LED_ASSERTION     2  /* An assertion failed      N/C GLOW OFF      */
+ #define LED_PANIC         3  /* The system has crashed   N/C N/C  Blinking */
+ #define LED_PANIC         3  /* MCU is is sleep mode    ---- Not used ---- */
+
+/* ID_CODE */
+
+#define IDCODE1   0xFFFFFFFF
+#define IDCODE2   0xFFFFFFFF
+#define IDCODE3   0xFFFFFFFF
+#define IDCODE4   0xFFFFFFFF
+
+#endif /* __BOARDS_ARM_RA_ARDUINO_UNO_R4_INCLUDE_BOARD_H */
diff --git a/boards/arm/ra4/arduino-r4-minima/scripts/Make.defs b/boards/arm/ra4/arduino-r4-minima/scripts/Make.defs
@@ -0,0 +1,38 @@
+############################################################################
+# boards/arm/ra4/arduino-r4-minima/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/armv7-m/Toolchain.defs
+
+ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)arduino-r4-minima.ld
+
+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