soc: nxp: imx: add i.MX93 Cortex-M33 support

Added basic soc support for i.MX93 Cortex-M33.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

soc/nxp/imx/imx9/CMakeLists.txt

@@ -7,4 +7,8 @@ if(CONFIG_SOC_MIMX9352_A55)
   zephyr_sources_ifdef(CONFIG_ARM_MMU a55/mmu_regions.c)
 
   set(SOC_LINKER_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/a55/linker.ld CACHE INTERNAL "")
+elseif(CONFIG_SOC_MIMX9352_M33)
+  zephyr_include_directories(.)
+  zephyr_include_directories(m33)
+  set(SOC_LINKER_SCRIPT ${ZEPHYR_BASE}/include/zephyr/arch/arm/cortex_m/scripts/linker.ld CACHE INTERNAL "")
 endif()

soc/nxp/imx/imx9/Kconfig

@@ -10,5 +10,18 @@ config SOC_MIMX9352_A55
 	select HAS_MCUX_IOMUXC if PINCTRL
 	select HAS_MCUX_CACHE
 
+config SOC_MIMX9352_M33
+	select ARM
+	select CPU_CORTEX_M33
+	select CPU_HAS_FPU
+	select CPU_HAS_ARM_MPU
+	select CPU_HAS_ARM_SAU
+	select ARM_MPU
+	select ARMV8_M_DSP
+	select HAS_MCUX
+	select HAS_MCUX_IOMUXC if PINCTRL
+	select HAS_MCUX_CACHE
+
 config MCUX_CORE_SUFFIX
 	default "_ca55" if SOC_MIMX9352_A55
+	default "_cm33" if SOC_MIMX9352_M33

soc/nxp/imx/imx9/Kconfig.defconfig.mimx93.m33

@@ -0,0 +1,22 @@
+# Copyright 2024 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_MIMX9352_M33
+
+DT_CHOSEN_Z_FLASH := zephyr,flash
+
+config FLASH_SIZE
+	default $(dt_chosen_reg_size_int,$(DT_CHOSEN_Z_FLASH),0,K)
+
+config FLASH_BASE_ADDRESS
+	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))
+
+config NUM_IRQS
+	int
+	default 268
+
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	int
+	default 200000000
+
+endif

soc/nxp/imx/imx9/Kconfig.soc

@@ -15,6 +15,12 @@ config SOC_MIMX9352_A55
 	help
 	  NXP i.MX93 A55
 
+config SOC_MIMX9352_M33
+	bool
+	select SOC_MIMX9352
+	help
+	  NXP i.MX93 M33
+
 config SOC_PART_NUMBER_MIMX9352CVVXM
 	bool
 

soc/nxp/imx/imx9/m33/soc.h

@@ -0,0 +1,12 @@
+/*
+ * Copyright 2024 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef _SOC_NXP_IMX_IMX93_M33_SOC_H_
+#define _SOC_NXP_IMX_IMX93_M33_SOC_H_
+
+#include <fsl_device_registers.h>
+
+#endif /* _SOC_NXP_IMX_IMX93_M33_SOC_H_ */