Add RT700 basic environment support

boards/nxp/mimxrt700_evk/CMakeLists.txt

@@ -0,0 +1,28 @@
+#
+# Copyright 2024 NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+if(CONFIG_BOARD_MIMXRT700_EVK_MIMXRT798S_CM33_CPU0 OR CONFIG_BOARD_MIMXRT700_EVK_MIMXRT798S_CM33_CPU1)
+  zephyr_library()
+  zephyr_library_sources(board.c)
+endif()
+
+if(CONFIG_NXP_IMXRT_BOOT_HEADER)
+  if(NOT ((DEFINED CONFIG_BOARD_MIMXRT700_EVK_MIMXRT798S_CM33_CPU0)
+  OR (DEFINED CONFIG_BOARD_MIMXRT700_EVK_MIMXRT798S_CM33_CPU1)))
+  message(WARNING "It appears you are using the board definition for "
+    "the MIMXRT7xx-EVK, but targeting a custom board. You may need to "
+    "update your flash configuration block data")
+  endif()
+  # Include flash configuration block for RT7xx EVK from NXP's HAL.
+  # This configuration block may need modification if another flash chip is
+  # used on your custom board. See NXP AN13304 for more information.
+  zephyr_compile_definitions(BOOT_HEADER_ENABLE=1)
+  zephyr_compile_definitions(BOARD_FLASH_SIZE=CONFIG_FLASH_SIZE*1024)
+  set(RT7XX_BOARD_DIR
+    "${ZEPHYR_HAL_NXP_MODULE_DIR}/mcux/mcux-sdk/boards/mimxrt700evk")
+  zephyr_library_sources(${RT7XX_BOARD_DIR}/flash_config/flash_config.c)
+  zephyr_library_include_directories(${RT7XX_BOARD_DIR}/flash_config)
+endif()

boards/nxp/mimxrt700_evk/Kconfig.mimxrt700_evk

@@ -0,0 +1,7 @@
+# Copyright 2024 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_MIMXRT700_EVK
+	select SOC_MIMXRT798S_CM33_CPU0 if BOARD_MIMXRT700_EVK_MIMXRT798S_CM33_CPU0
+	select SOC_MIMXRT798S_CM33_CPU1 if BOARD_MIMXRT700_EVK_MIMXRT798S_CM33_CPU1
+	select SOC_PART_NUMBER_MIMXRT798SGFOA