Add support for the STM32U545xx SoC, as well as the Nucleo U545RE-Q board.

NOTE: These changes are dependent on changes to the stm32u5 HAL module,
documented in zephyrproject-rtos/hal_stm32#198.

Signed-off-by: Rob Newberry <[email protected]>

Author: rob-zeno

boards/st/nucleo_u545re_q/CMakeLists.txt

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: Apache-2.0
+
+if(${ZEPHYR_TOOLCHAIN_VARIANT} STREQUAL "zephyr")
+	set(COMPILER_FULL_PATH ${ZEPHYR_SDK_INSTALL_DIR}/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc)
+elseif(${ZEPHYR_TOOLCHAIN_VARIANT} STREQUAL "gnuarmemb")
+	set(COMPILER_FULL_PATH ${GNUARMEMB_TOOLCHAIN_PATH}/bin/arm-none-eabi-gcc)
+endif()

boards/st/nucleo_u545re_q/Kconfig.nucleo_u545re_q

@@ -0,0 +1,5 @@
+# Copyright (c) 2021 Linaro Limited
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NUCLEO_U545RE_Q
+	select SOC_STM32U545XX

boards/st/nucleo_u545re_q/arduino_r3_connector.dtsi

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2021 Linaro Limited
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	arduino_header: connector {
+		compatible = "arduino-header-r3";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map = <0 0 &gpioa 3 0>,	/* A0 */
+			   <1 0 &gpioa 2 0>,	/* A1 */
+			   <2 0 &gpioc 3 0>,	/* A2 */
+			   <3 0 &gpiob 0 0>,	/* A3 */
+			   <4 0 &gpioc 1 0>,	/* A4 */
+			   <5 0 &gpioc 0 0>,	/* A5 */
+			   <6 0 &gpiog 8 0>,	/* D0 */
+			   <7 0 &gpiog 7 0>,	/* D1 */
+			   <8 0 &gpiof 15 0>,	/* D2 */
+			   <9 0 &gpioe 13 0>,	/* D3 */
+			   <10 0 &gpiof 14 0>,	/* D4 */
+			   <11 0 &gpioe 11 0>,	/* D5 */
+			   <12 0 &gpioe 9 0>,	/* D6 */
+			   <13 0 &gpiof 13 0>,	/* D7 */
+			   <14 0 &gpiof 12 0>,	/* D8 */
+			   <15 0 &gpiod 15 0>,	/* D9 */
+			   <16 0 &gpiod 14 0>,	/* D10 */
+			   <17 0 &gpioa 7 0>,	/* D11 */
+			   <18 0 &gpioa 6 0>,	/* D12 */
+			   <19 0 &gpioa 5 0>,	/* D13 */
+			   <20 0 &gpiob 9 0>,	/* D14 */
+			   <21 0 &gpiob 8 0>;	/* D15 */
+	};
+};
+
+arduino_i2c: &i2c1 {};
+arduino_spi: &spi1 {};
+arduino_serial: &lpuart1 {};

boards/st/nucleo_u545re_q/board.cmake

@@ -0,0 +1,15 @@
+#board_runner_args(stm32cubeprogrammer "--erase" "--port=swd" "--reset-mode=hw")
+#board_runner_args(stm32cubeprogrammer "--port=swd" "--reset-mode=hw")
+
+#board_runner_args(openocd "--tcl-port=6666")
+#board_runner_args(openocd --cmd-pre-init "gdb_report_data_abort enable")
+#board_runner_args(openocd "--no-halt")
+
+#board_runner_args(pyocd "--target=stm32u545retx")
+#board_runner_args(jlink "--device=STM32U545RE" "--reset-after-load")
+board_runner_args(jlink "--device=STM32U545RE" "--speed=4000")
+
+#include(${ZEPHYR_BASE}/boards/common/stm32cubeprogrammer.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/openocd.board.cmake)
+#include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)

boards/st/nucleo_u545re_q/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: nucleo_u545re_q
+  vendor: st
+  socs:
+    - name: stm32u545xx