boards: arm: stm32 disco kit for XiP on external quadflash

Define the Device tree of the stm32l496g_disco board
or stm32h750b disco kit
to access the external NOR quad-flash in MemoryMapped mode
for XiP

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

boards/arm/stm32h747i_disco/stm32h747i_disco_m7.dts

@@ -111,6 +111,16 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 DT_SIZE_K(64)>;
+		};
+
+		slot0_partition: partition@10000 {
+			label = "image-0";
+			reg = <0x00010000 DT_SIZE_K(416)>;
+		};
+
 		/* Set 2KB of storage at the end of first 1MB flash */
 		storage_partition: partition@ff800 {
 			label = "storage";
@@ -232,11 +242,10 @@ zephyr_udc0: &usbotg_hs {
 	pinctrl-names = "default";
 	status = "okay";
 
-	mt25ql512ab1: qspi-nor-flash-1@0 {
+	mt25ql512ab1: qspi-nor-flash-1@90000000 {
 		compatible = "st,stm32-qspi-nor";
-		reg = <0>;
+		reg = <0x90000000 DT_SIZE_M(64)>; /* 512 Mbits */
 		qspi-max-frequency = <72000000>;
-		size = <DT_SIZE_M(512)>; /* 64 MBytes */
 		spi-bus-width = <4>;
 		status = "okay";
 
@@ -245,17 +254,18 @@ zephyr_udc0: &usbotg_hs {
 			   #address-cells = <1>;
 			   #size-cells = <1>;
 
-			   partition@0 {
-			       reg = <0x0 DT_SIZE_M(64)>;
-			   };
+			   /* put image at offset 0 in slot1 */
+			   slot1_partition:partition@0 {
+			       label = "image-1";
+			       reg = <0x00000000 DT_SIZE_K(416)>;
+ 			   };
 		};
 	};
 
-	mt25ql512ab2: qspi-nor-flash-2@0 {
+	mt25ql512ab2: qspi-nor-flash-2@90000000 {
 		compatible = "st,stm32-qspi-nor";
-		reg = <0>;
+		reg = <0x90000000 DT_SIZE_M(64)>; /* 512 Mbits */
 		qspi-max-frequency = <72000000>;
-		size = <DT_SIZE_M(512)>; /* 64 MBytes */
 		status = "okay";
 	};
 };

boards/arm/stm32h750b_dk/stm32h750b_dk.dts

@@ -18,7 +18,6 @@
 		zephyr,shell-uart = &usart3;
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash0;
-		zephyr,flash-controller = &mt25ql512ab1;
 	};
 
 	sdram2: sdram@d0000000 {
@@ -54,7 +53,6 @@
 		led0 = &green_led;
 		led1 = &red_led;
 		sw0 = &user_button;
-		spi-flash0 = &mt25ql512ab1;
 	};
 };
 
@@ -85,6 +83,30 @@
 	d3ppre = <2>;
 };
 
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 DT_SIZE_K(64)>;
+		};
+
+		slot0_partition: partition@10000 {
+			label = "image-0";
+			reg = <0x00010000 DT_SIZE_K(416)>;
+		};
+
+		/* Set 2KB of storage at the end of first 1MB flash */
+		storage_partition: partition@ff800 {
+			label = "storage";
+			reg = <0x000ff800 DT_SIZE_K(2)>;
+		};
+	};
+};
+
 &usart3 {
 	pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
 	pinctrl-names = "default";
@@ -102,11 +124,10 @@
 	flash-id = <1>;
 	status = "okay";
 
-	mt25ql512ab1: qspi-nor-flash-1@0 {
+	mt25ql512ab1: qspi-nor-flash-1@90000000 {
 		compatible = "st,stm32-qspi-nor";
-		reg = <0>;
+		reg = <0x90000000 DT_SIZE_M(64)>; /* 512 Mbits */
 		qspi-max-frequency = <72000000>;
-		size = <DT_SIZE_M(512)>; /* 64 MBytes */
 		spi-bus-width = <4>;
 		status = "okay";
 
@@ -115,18 +136,19 @@
 			   #address-cells = <1>;
 			   #size-cells = <1>;
 
-			   partition@0 {
-			       reg = <0x0 DT_SIZE_M(64)>;
-			   };
+			   /* put image at offset 0 in slot1 */
+			   slot1_partition:partition@0 {
+			       label = "image-1";
+			       reg = <0x00000000 DT_SIZE_K(416)>;
+ 			   };
 		};
 	};
 
-	mt25ql512ab2: qspi-nor-flash-2@1 {
+	mt25ql512ab2: qspi-nor-flash-2@90000000 {
 		compatible = "st,stm32-qspi-nor";
-		reg = <1>;
+		reg = <0x90000000 DT_SIZE_M(64)>; /* 512 Mbits */
 		qspi-max-frequency = <72000000>;
-		size = <DT_SIZE_M(512)>; /* 64 MBytes */
-		status = "okay";
+		status = "disabled";
 	};
 };
 

boards/arm/stm32l496g_disco/stm32l496g_disco.dts

@@ -103,6 +103,28 @@
 	apb2-prescaler = <1>;
 };
 
+&flash0 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 DT_SIZE_K(64)>;
+		};
+		slot0_partition: partition@10000 {
+			label = "image-0";
+			reg = <0x00010000 DT_SIZE_K(416)>;
+		};
+		/* Set 2KB of storage at the end of first 1MB flash */
+		storage_partition: partition@ff800 {
+			label = "storage";
+			reg = <0x000ff800 DT_SIZE_K(2)>;
+		};
+	};
+};
+
 &usart1 {
 	pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pg10>;
 	pinctrl-names = "default";
@@ -201,13 +223,24 @@ zephyr_udc0: &usbotg_fs {
 	flash-id = <1>;
 	status = "okay";
 
-	mx25r6435: qspi-nor-flash@0 {
+	mx25r6435: qspi-nor-flash@90000000 {
 		compatible = "st,stm32-qspi-nor";
-		reg = <0>;
+		reg = <0x90000000 DT_SIZE_M(8)>;
 		qspi-max-frequency = <8000000>;
-		size = <DT_SIZE_M(64)>; /* 8 MBytes */
 		status = "okay";
 		spi-bus-width = <4>;
 		writeoc = "PP_1_4_4";
+		
+		partitions {
+			   compatible = "fixed-partitions";
+			   #address-cells = <1>;
+			   #size-cells = <1>;
+
+			   /* put image at offset 0 in slot1 */
+			   slot1_partition:partition@0 {
+			       label = "image-1";
+			       reg = <0x00000000 DT_SIZE_K(416)>;
+			   };
+		};
 	};
 };