Boards: STM32H750B-DK: Introduce App in Ext Flash variant

boards/st/stm32h750b_dk/Kconfig.defconfig

@@ -14,4 +14,11 @@ config MEMC
 
 endif # DISPLAY
 
+if MCUBOOT
+
+config STM32_MEMMAP
+	default y
+
+endif # MCUBOOT
+
 endif # BOARD_STM32H750B_DK

boards/st/stm32h750b_dk/Kconfig.sysbuild

@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: Copyright The Zephyr Project Contributors
+# SPDX-License-Identifier: Apache-2.0
+
+choice BOOTLOADER
+	default BOOTLOADER_MCUBOOT
+endchoice
+
+choice BOOT_SIGNATURE_TYPE
+	default BOOT_SIGNATURE_TYPE_NONE
+endchoice
+
+choice MCUBOOT_MODE
+	default MCUBOOT_MODE_DIRECT_XIP
+endchoice

boards/st/stm32h750b_dk/board.cmake

@@ -1,7 +1,8 @@
+# SPDX-FileCopyrightText: Copyright The Zephyr Project Contributors
 # SPDX-License-Identifier: Apache-2.0
 
 # keep first
-if(CONFIG_STM32_MEMMAP)
+if(CONFIG_STM32_MEMMAP OR CONFIG_BOOTLOADER_MCUBOOT)
 board_runner_args(stm32cubeprogrammer "--port=swd" "--reset-mode=hw")
 board_runner_args(stm32cubeprogrammer "--extload=MT25TL01G_STM32H750B-DISCO.stldr")
 else()

boards/st/stm32h750b_dk/board.yml

@@ -4,3 +4,5 @@ board:
   vendor: st
   socs:
     - name: stm32h750xx
+      variants:
+        - name: ext_flash_app

boards/st/stm32h750b_dk/stm32h750b_dk-common.dtsi

@@ -0,0 +1,255 @@
+/*
+ * Copyright (c) 2023-2024 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <st/h7/stm32h750Xb.dtsi>
+#include <st/h7/stm32h750xbhx-pinctrl.dtsi>
+#include "arduino_r3_connector.dtsi"
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+
+/ {
+	chosen {
+		zephyr,console = &usart3;
+		zephyr,shell-uart = &usart3;
+		zephyr,sram = &sram0;
+		zephyr,display = &ltdc;
+	};
+
+	sdram2: sdram@d0000000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		device_type = "memory";
+		reg = <0xd0000000 DT_SIZE_M(16)>; /* 128Mbit */
+		zephyr,memory-region = "SDRAM2";
+		zephyr,memory-attr = <DT_MEM_ARM(ATTR_MPU_RAM)>;
+	};
+
+	ext_flash: memory@90000000 {
+		compatible = "zephyr,memory-region";
+		reg = <0x90000000 DT_SIZE_M(128)>; /* 128MB */
+		zephyr,memory-region = "EXT_FLASH";
+		zephyr,memory-attr = <DT_MEM_ARM_MPU_FLASH>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		red_led: led_1 {
+			gpios = <&gpioi 13 GPIO_ACTIVE_LOW>;
+			label = "USER1 LD6";
+		};
+
+		green_led: led_2 {
+			gpios = <&gpioj 2 GPIO_ACTIVE_LOW>;
+			label = "USER2 LD7";
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+
+		user_button: button {
+			label = "User";
+			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
+			zephyr,code = <INPUT_KEY_0>;
+		};
+	};
+
+	aliases {
+		led0 = &green_led;
+		led1 = &red_led;
+		sw0 = &user_button;
+		die-temp0 = &die_temp;
+	};
+};
+
+&clk_hse {
+	clock-frequency = <DT_FREQ_M(25)>;
+	hse-bypass;
+	status = "okay";
+};
+
+&clk_lse {
+	status = "okay";
+};
+
+&flash0 {
+	status = "okay";
+};
+
+&ltdc {
+	pinctrl-0 = <&ltdc_r0_pi15 &ltdc_r1_pj0 &ltdc_r2_pj1 &ltdc_r3_ph9
+		     &ltdc_r4_pj3 &ltdc_r5_pj4 &ltdc_r6_pj5 &ltdc_r7_pj6
+		     &ltdc_g0_pj7 &ltdc_g1_pj8 &ltdc_g2_pj9 &ltdc_g3_pj10
+		     &ltdc_g4_pj11 &ltdc_g5_pi0 &ltdc_g6_pi1 &ltdc_g7_pk2
+		     &ltdc_b0_pj12 &ltdc_b1_pj13 &ltdc_b2_pj14 &ltdc_b3_pj15
+		     &ltdc_b4_pk3 &ltdc_b5_pk4 &ltdc_b6_pk5 &ltdc_b7_pk6
+		     &ltdc_de_pk7 &ltdc_clk_pi14 &ltdc_hsync_pi12 &ltdc_vsync_pi9>;
+	pinctrl-names = "default";
+
+	disp-on-gpios = <&gpiod 7 GPIO_ACTIVE_HIGH>;
+
+	ext-sdram = <&sdram2>;
+	status = "okay";
+
+	clocks = <&rcc STM32_CLOCK(APB3, 3)>,
+		 <&rcc STM32_SRC_PLL3_R NO_SEL>;
+
+	width = <480>;
+	height = <272>;
+	pixel-format = <PANEL_PIXEL_FORMAT_RGB_565>;
+
+	display-timings {
+		compatible = "zephyr,panel-timing";
+		de-active = <1>;
+		pixelclk-active = <0>;
+		hsync-active = <0>;
+		vsync-active = <0>;
+		hsync-len = <1>;
+		vsync-len = <10>;
+		hback-porch = <43>;
+		vback-porch = <12>;
+		hfront-porch = <8>;
+		vfront-porch = <4>;
+	};
+
+	def-back-color-red = <0xFF>;
+	def-back-color-green = <0xFF>;
+	def-back-color-blue = <0xFF>;
+};
+
+&pll {
+	div-m = <5>;
+	mul-n = <192>;
+	div-p = <2>;
+	div-q = <4>;
+	div-r = <4>;
+	clocks = <&clk_hse>;
+	status = "okay";
+};
+
+&pll3 {
+	div-m = <5>;
+	mul-n = <192>;
+	div-p = <2>;
+	div-q = <20>;
+	div-r = <99>;
+	clocks = <&clk_hse>;
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&pll>;
+	clock-frequency = <DT_FREQ_M(480)>;
+	d1cpre = <1>;
+	hpre = <2>;
+	d1ppre = <2>;
+	d2ppre1 = <2>;
+	d2ppre2 = <2>;
+	d3ppre = <2>;
+};
+
+&usart3 {
+	pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+	status = "okay";
+};
+
+&quadspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&quadspi_clk_pf10 &quadspi_bk1_ncs_pg6
+		     &quadspi_bk1_io0_pd11 &quadspi_bk1_io1_pf9
+		     &quadspi_bk1_io2_pf7 &quadspi_bk1_io3_pf6
+		     &quadspi_bk2_io0_ph2 &quadspi_bk2_io1_ph3
+		     &quadspi_bk2_io2_pg9 &quadspi_bk2_io3_pg14>;
+	dual-flash;
+	status = "okay";
+
+	/* Sector erase 64KB uniform granularity for each Flash */
+	/* Subsector erase 4KB, 32KB granularity for each Flash */
+	mt25ql512ab1: qspi-nor-flash-1@0 {
+		compatible = "st,stm32-qspi-nor";
+		reg = <0>;
+		size = <DT_SIZE_M(512)>; /* 64MB for each Flash */
+		write-block-size = <1>; /* 1byte=4bits*2 in dual-flash mode */
+		erase-block-size = <DT_SIZE_K(128)>; /* 64KB*2 in dual-flash mode */
+		qspi-max-frequency = <72000000>;
+		cs-high-time = <4>; /* >= 50 ns */
+		spi-bus-width = <4>;
+		reset-cmd;
+		status = "okay";
+	};
+
+	mt25ql512ab2: qspi-nor-flash-2@0 {
+		compatible = "st,stm32-qspi-nor";
+		reg = <0>;
+		size = <DT_SIZE_M(512)>; /* 64MB */
+		qspi-max-frequency = <72000000>;
+		status = "okay";
+	};
+};
+
+&fmc {
+	pinctrl-0 = <&fmc_nbl0_pe0 &fmc_nbl1_pe1
+		     &fmc_sdclk_pg8 &fmc_sdnwe_ph5 &fmc_sdcke1_ph7
+		     &fmc_sdne1_ph6 &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_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";
+	status = "okay";
+
+	sdram {
+		status = "okay";
+		power-up-delay = <100>;
+		num-auto-refresh = <8>;
+		mode-register = <0x230>;
+		refresh-rate = <0x603>;
+
+		bank@1 {
+			reg = <1>;
+			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_3
+					    STM32_FMC_SDRAM_SDCLK_PERIOD_2
+					    STM32_FMC_SDRAM_RBURST_ENABLE
+					    STM32_FMC_SDRAM_RPIPE_1>;
+			st,sdram-timing = <2 7 4 7 2 2 2>;
+		};
+	};
+};
+
+&rtc {
+	clocks = <&rcc STM32_CLOCK(APB4, 16)>,
+		 <&rcc STM32_SRC_LSE RTC_SEL(1)>;
+	status = "okay";
+};
+
+&die_temp {
+	status = "okay";
+};
+
+&adc3 {
+	st,adc-clock-source = "SYNC";
+	st,adc-prescaler = <4>;
+	status = "okay";
+};
+
+/* Arduino Header pins: Tx:D1, Rx:D0 */
+/* LPUART1 can also be used with this pins */
+&usart1 {
+	dma-names = "tx", "rx";
+	pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+	status = "okay";
+};