boards: arm: stm32u585 disco kit move partition to ext flash

Add the octoSPI 2 which is connection to a octo NOR flash
mx25lm51245 on the stm32u585 disco kit.
Define the partition on the 64MBytes space of the external flash
in the specific dts file (not the _ns one).
Use the STM32Cube programmer to flash with the corresponding external
loader for XiP mode. Do not mass-erase the internal flash when flashing.
Removing usb_device will avoid test feature for that board.

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

Author: FRASTM

boards/st/b_u585i_iot02a/b_u585i_iot02a-common.dtsi

@@ -146,16 +146,6 @@ stm32_lp_tick_source: &lptim1 {
 		data-rate = <OSPI_DTR_TRANSFER>;
 		four-byte-opcodes;
 		status = "okay";
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				reg = <0x00000000 DT_SIZE_M(64)>;
-			};
-		};
 	};
 };
 

boards/st/b_u585i_iot02a/b_u585i_iot02a.dts

@@ -54,25 +54,31 @@
 			reg = <0x00000000 DT_SIZE_K(64)>;
 		};
 
-		slot0_partition: partition@10000 {
-			label = "image-0";
-			reg = <0x00010000 DT_SIZE_K(416)>;
+		storage_partition: partition@f0000 {
+			label = "storage";
+			reg = <0x000f0000 DT_SIZE_K(64)>;
 		};
+	};
+};
 
-		slot1_partition: partition@78000 {
+&mx25lm51245 {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		slot0_partition: partition@0 {
+			label = "image-0";
+			reg = <0x00000000 DT_SIZE_K(256)>;
+		};
+		slot1_partition: partition@40000 {
 			label = "image-1";
-			reg = <0x00078000 DT_SIZE_K(416)>;
+			reg = <0x00040000 DT_SIZE_K(256)>;
 		};
-
 		scratch_partition: partition@e0000 {
 			label = "image-scratch";
 			reg = <0x000e0000 DT_SIZE_K(64)>;
 		};
-
-		storage_partition: partition@f0000 {
-			label = "storage";
-			reg = <0x000f0000 DT_SIZE_K(64)>;
-		};
 	};
 };
 

boards/st/b_u585i_iot02a/b_u585i_iot02a.yaml

@@ -12,7 +12,6 @@ supported:
   - arduino_spi
   - hts221
   - dma
-  - usb_device
   - spi
   - dac
   - adc

boards/st/b_u585i_iot02a/board.cmake

@@ -13,11 +13,9 @@ if(CONFIG_BUILD_WITH_TFM)
 endif()
 
 # keep first
-if(CONFIG_STM32_MEMMAP)
 board_runner_args(stm32cubeprogrammer "--port=swd" "--reset-mode=hw")
-board_runner_args(stm32cubeprogrammer "--extload=MX25LM51245G_STM32U585I-IOT02A.stldr")
-else()
-board_runner_args(stm32cubeprogrammer "--erase" "--port=swd" "--reset-mode=hw")
+if(CONFIG_STM32_MEMMAP OR (CONFIG_XIP AND CONFIG_BOOTLOADER_MCUBOOT))
+  board_runner_args(stm32cubeprogrammer "--extload=MX25LM51245G_STM32U585I-IOT02A.stldr")
 endif()
 
 board_runner_args(openocd "--tcl-port=6666")