boards: arm: add Arduino GIGA

Add support for the Arduino GIGA board, an STM32H747XI based development
board in Arduino form factor, featuring external flash, SDRAM, Bluetooth
and WiFi.

Signed-off-by: Fabio Baltieri <[email protected]>

Author: fabiobaltieri

boards/arm/arduino_giga_r1/Kconfig.board

@@ -0,0 +1,12 @@
+# Copyright 2023 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_ARDUINO_GIGA_R1_M7
+	bool "Arduino GIGA R1 WiFi Board (M7)"
+	depends on SOC_STM32H747XX
+	select CPU_CORTEX_M7
+
+config BOARD_ARDUINO_GIGA_R1_M4
+	bool "Arduino GIGA R1 WiFi Board (M4)"
+	depends on SOC_STM32H747XX
+	select CPU_CORTEX_M4

boards/arm/arduino_giga_r1/Kconfig.defconfig

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+# Copyright 2023 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_ARDUINO_GIGA_R1_M7 || BOARD_ARDUINO_GIGA_R1_M4
+
+config BOARD
+	default "arduino_giga_r1_m7" if BOARD_ARDUINO_GIGA_R1_M7
+	default "arduino_giga_r1_m4" if BOARD_ARDUINO_GIGA_R1_M4
+
+config STM32H7_DUAL_CORE
+	default y
+
+endif # BOARD_ARDUINO_GIGA_R1_M7 || BOARD_ARDUINO_GIGA_R1_M4

boards/arm/arduino_giga_r1/arduino_giga_r1.dtsi

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+/*
+ * Copyright 2023 Google LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "arduino_r3_connector.dtsi"
+
+/ {
+	leds {
+		compatible = "gpio-leds";
+		red_led: led_0 {
+			gpios = <&gpioi 12 GPIO_ACTIVE_LOW>;
+		};
+		green_led: led_1 {
+			gpios = <&gpioj 13 GPIO_ACTIVE_LOW>;
+		};
+		blue_led: led_2 {
+			gpios = <&gpioe 3 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		user_button: button_0 {
+			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&rcc {
+	d1cpre = <1>;
+	hpre = <2>;
+	d1ppre = <2>;
+	d2ppre1 = <2>;
+	d2ppre2 = <2>;
+	d3ppre = <2>;
+};

boards/arm/arduino_giga_r1/arduino_giga_r1_m4.dts

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+#include <st/h7/stm32h747Xi_m4.dtsi>
+#include <st/h7/stm32h747xihx-pinctrl.dtsi>
+#include "arduino_giga_r1.dtsi"
+
+/ {
+	model = "Arduino GIGA R1 WiFi Board (M4)";
+	compatible = "arduino,giga-r1";
+
+	chosen {
+		zephyr,console = &usart2;
+		zephyr,shell-uart = &usart2;
+		zephyr,sram = &sram1;
+		zephyr,flash = &flash1;
+	};
+
+	aliases {
+		led0 = &blue_led;
+	};
+};
+
+&rcc {
+	clock-frequency = <DT_FREQ_M(240)>;
+};
+
+&usart2 {
+	status = "okay";
+	pinctrl-0 = <&usart2_tx_pd5 &usart2_rx_pd6>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+};

boards/arm/arduino_giga_r1/arduino_giga_r1_m4.yaml

@@ -0,0 +1,18 @@
+identifier: arduino_giga_r1_m4
+name: Arduino GIGA R1 WiFi (M4)
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools
+ram: 288
+flash: 1024
+supported:
+  - arduino_gpio
+  - gpio
+testing:
+  ignore_tags:
+    - mpu
+    - nfc
+    - net

boards/arm/arduino_giga_r1/arduino_giga_r1_m4_defconfig

@@ -0,0 +1,30 @@
+# Copyright 2023 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_SOC_SERIES_STM32H7X=y
+CONFIG_SOC_STM32H747XX=y
+
+# Board config should be specified since there are 2 possible targets
+CONFIG_BOARD_ARDUINO_GIGA_R1_M4=y
+
+# Enable GPIO
+CONFIG_GPIO=y
+
+# Clock configuration
+CONFIG_CLOCK_CONTROL=y
+
+# Enable MPU
+CONFIG_ARM_MPU=y
+
+# Enable HW stack protection
+CONFIG_HW_STACK_PROTECTION=y
+
+# Enable uart driver
+CONFIG_SERIAL=y
+
+# Console
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+
+# Enable pin controller
+CONFIG_PINCTRL=y

boards/arm/arduino_giga_r1/arduino_giga_r1_m7.dts

@@ -0,0 +1,242 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+#include <st/h7/stm32h747Xi_m7.dtsi>
+#include <st/h7/stm32h747xihx-pinctrl.dtsi>
+#include "arduino_giga_r1.dtsi"
+
+/ {
+	model = "Arduino GIGA R1 WiFi Board (M7)";
+	compatible = "arduino,giga-r1";
+
+	chosen {
+		zephyr,console = &usart1;
+		zephyr,shell-uart = &usart1;
+		zephyr,uart-mcumgr = &usart1;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+		zephyr,canbus = &can2;
+		zephyr,code-partition = &slot0_partition;
+	};
+
+	sdram1: sdram@c0000000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		device_type = "memory";
+		reg = <0xc0000000 DT_SIZE_M(8)>;
+		zephyr,memory-region = "SDRAM1";
+		zephyr,memory-region-mpu = "RAM";
+	};
+
+	aliases {
+		led0 = &red_led;
+		led1 = &green_led;
+		sw0 = &user_button;
+		spi-flash0 = &n25q128a1;
+	};
+};
+
+&clk_hse {
+	status = "okay";
+	clock-frequency = <DT_FREQ_M(16)>;
+};
+
+&clk_lse {
+	status = "okay";
+};
+
+&clk_hsi48 {
+	status = "okay";
+};
+
+&pll {
+	div-m = <2>;
+	mul-n = <120>;
+	div-p = <2>;
+	div-q = <4>;
+	div-r = <2>;
+	clocks = <&clk_hse>;
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&pll>;
+	clock-frequency = <DT_FREQ_M(480)>;
+};
+
+&usart1 {
+	status = "okay";
+	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pb7>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+};
+
+&usart6 {
+	status = "disabled";
+	pinctrl-0 = <&usart6_tx_pg14 &usart6_rx_pc7>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+};
+
+&uart4 {
+	status = "disabled";
+	pinctrl-0 = <&uart4_tx_ph13 &uart4_rx_pi9>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+};
+
+&uart7 {
+	status = "disabled";
+	pinctrl-0 = <&uart7_tx_pf7 &uart7_rx_pa8
+		     &uart7_cts_pf9 &uart7_rts_pf8>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+	status = "okay";
+	hw-flow-control;
+};
+
+&i2c4 {
+	status = "okay";
+	pinctrl-0 = <&i2c4_scl_pb6 &i2c4_sda_ph12>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_STANDARD>;
+};
+
+&i2c1 {
+	status = "disabled";
+	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_FAST>;
+};
+
+&i2c2 {
+	status = "disabled";
+	pinctrl-0 = <&i2c2_scl_ph4 &i2c2_sda_pb11>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_FAST>;
+};
+
+&spi5 {
+	status = "okay";
+	pinctrl-0 = <&spi5_nss_pk1 &spi5_sck_ph6
+		     &spi5_miso_pj11 &spi5_mosi_pj10>;
+	pinctrl-names = "default";
+};
+
+&can2 {
+	status = "okay";
+	pinctrl-0 = <&fdcan2_tx_pb13 &fdcan2_rx_pb5>;
+	pinctrl-names = "default";
+	bus-speed = <125000>;
+	bus-speed-data = <1000000>;
+};
+
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			label = "bootloader";
+			reg = <0x0 0x40000>;
+			read-only;
+		};
+
+		slot0_partition: partition@40000 {
+			label = "image-0";
+			reg = <0x40000 0x000c0000>;
+		};
+	};
+};
+
+&quadspi {
+	pinctrl-0 = <&quadspi_clk_pf10 &quadspi_bk1_ncs_pg6
+		     &quadspi_bk1_io0_pd11 &quadspi_bk1_io1_pd12
+		     &quadspi_bk1_io2_pe2 &quadspi_bk1_io3_pf6>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	n25q128a1: qspi-nor-flash@0 {
+		compatible = "st,stm32-qspi-nor";
+		reg = <0>;
+		qspi-max-frequency = <72000000>;
+		size = <DT_SIZE_M(16*8)>;
+		status = "okay";
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			slot1_partition: partition@0 {
+				label = "image-1";
+				reg = <0x00000000 DT_SIZE_M(1)>;
+			};
+
+			storage_partition: partition@100000 {
+				label = "storage";
+				reg = <0x00100000 DT_SIZE_M(15)>;
+			};
+		};
+	};
+};
+
+&rng {
+	status = "okay";
+};
+
+&dac1 {
+	status = "okay";
+	pinctrl-0 = <&dac1_out1_pa4 &dac1_out2_pa5>;
+	pinctrl-names = "default";
+};
+
+&fmc {
+	status = "okay";
+	pinctrl-0 = <&fmc_nbl0_pe0 &fmc_nbl1_pe1
+		     &fmc_sdclk_pg8 &fmc_sdnwe_ph5 &fmc_sdcke0_ph2
+		     &fmc_sdne0_ph3 &fmc_sdnras_pf11 &fmc_sdncas_pg15
+
+		     &fmc_a0_pf0 &fmc_a1_pf1 &fmc_a2_pf2 &fmc_a3_pf3 &fmc_a4_pf4
+		     &fmc_a5_pf5 &fmc_a6_pf12 &fmc_a7_pf13 &fmc_a8_pf14
+		     &fmc_a9_pf15 &fmc_a10_pg0 &fmc_a11_pg1 &fmc_a12_pg2
+		     &fmc_a14_pg4 &fmc_a15_pg5
+
+		     &fmc_d0_pd14 &fmc_d1_pd15 &fmc_d2_pd0 &fmc_d3_pd1
+		     &fmc_d4_pe7 &fmc_d5_pe8 &fmc_d6_pe9 &fmc_d7_pe10
+		     &fmc_d8_pe11 &fmc_d9_pe12 &fmc_d10_pe13 &fmc_d11_pe14
+		     &fmc_d12_pe15 &fmc_d13_pd8 &fmc_d14_pd9 &fmc_d15_pd10>;
+	pinctrl-names = "default";
+
+	sdram {
+		status = "okay";
+
+		power-up-delay = <100>;
+		num-auto-refresh = <8>;
+		mode-register = <0x220>;
+		refresh-rate = <603>;
+
+		bank@0 {
+			reg = <0>;
+			st,sdram-control = <STM32_FMC_SDRAM_NC_8
+					    STM32_FMC_SDRAM_NR_12
+					    STM32_FMC_SDRAM_MWID_16
+					    STM32_FMC_SDRAM_NB_4
+					    STM32_FMC_SDRAM_CAS_2
+					    STM32_FMC_SDRAM_SDCLK_PERIOD_2
+					    STM32_FMC_SDRAM_RBURST_ENABLE
+					    STM32_FMC_SDRAM_RPIPE_0>;
+			st,sdram-timing = <2 6 4 6 2 2 2>;
+		};
+	};
+};
+
+zephyr_udc0: &usbotg_fs {
+	status = "okay";
+	pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
+	pinctrl-names = "default";
+};