bootloader somehow working

Signed-off-by: Eduard Iten <eduard@iten.pro>
2025-07-11 15:10:10 +02:00
parent c3c23efc95
commit 0227e54198
22 changed files with 204 additions and 0 deletions
--- a/software/apps/bl_test/sysbuild/common.dtsi
+++ b/software/apps/bl_test/sysbuild/common.dtsi
@@ -0,0 +1,94 @@
+/*
+ * Common Devicetree Configuration für weact_stm32g431_core
+ * - Konfiguriert einen W25Q128 Flash-Speicher auf SPI2
+ * - Konfiguriert USB-CDC für MCUMGR
+ * - Setzt den Chip Select (CS) Pin auf PA5
+ * - Weist das Label "flash1" zu
+ */
+
+/* Partitions für internes Flash (STM32G431) */
+&flash0 {
+	/delete-node/ partitions; /* Entferne die Standard-Partitionen */
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		/* MCUboot bootloader - 48 KB */
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 0x0000C000>;
+		};
+
+		/* Slot0 partition für primäres Application Image - 80 KB (20 sectors @ 4KB) */
+		slot0_partition: partition@C000 {
+			label = "image-0";
+			reg = <0x0000C000 0x00014000>;
+		};
+	};
+};
+
+/* USB-CDC Konfiguration für MCUMGR */
+&usb {
+	status = "okay";
+	cdc_acm_uart0: cdc_acm_uart0 {
+		compatible = "zephyr,cdc-acm-uart";
+	};
+};
+
+/ {
+	chosen {
+		zephyr,uart-mcumgr = &cdc_acm_uart0;
+	};
+};
+
+&spi2 {
+	/* Definiere die Pins für SCK, MISO, MOSI auf Port B */
+	pinctrl-0 = <&spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15>;
+	pinctrl-names = "default";
+	status = "okay";
+	
+	/* === Chip Select (CS) auf PA5 gesetzt === */
+	cs-gpios = <&gpioa 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+
+	/* Definiere den Flash-Chip als SPI NOR Gerät */
+	flash1: flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		label = "flash1";
+
+		/* JEDEC ID für einen Winbond W25Q128 (16 MBytes) */
+		jedec-id = [ef 40 18];
+
+		/* Speichergröße in Bytes (16 MBytes) */
+		size = <DT_SIZE_M(16)>;
+
+		/* Maximale Taktfrequenz - angepasst an STM32G431 Limits */
+		spi-max-frequency = <1000000>;
+
+		/* Partitions für externes Flash */
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			/* Slot1 partition für MCUboot (sekundäres Image) - 80 KB (20 sectors @ 4KB) */
+			slot1_partition: partition@0 {
+				label = "image-1";
+				reg = <0x00000000 0x00014000>;
+			};
+
+			/* Scratch partition für MCUboot - 80 KB (20 sectors @ 4KB) */
+			scratch_partition: partition@14000 {
+				label = "scratch";
+				reg = <0x00014000 0x00014000>;
+			};
+
+			/* Speicher partition für LittleFS - ~15.83 MB */
+			storage_partition: partition@28000 {
+				label = "storage";
+				reg = <0x00028000 0x00FD8000>;
+			};
+		};
+	};
+};