Mcxe247 enable lmem cache

drivers/cache/CMakeLists.txt

@@ -12,6 +12,7 @@ zephyr_library_sources_ifdef(CONFIG_CACHE_ANDES cache_andes.c)
 zephyr_library_sources_ifdef(CONFIG_CACHE_ASPEED cache_aspeed.c)
 zephyr_library_sources_ifdef(CONFIG_CACHE_BFLB_L1C cache_bflb_l1c.c)
 zephyr_library_sources_ifdef(CONFIG_CACHE_NRF_CACHE cache_nrf.c)
+zephyr_library_sources_ifdef(CONFIG_CACHE_NXP_LMEM_CACHE cache_nxp_lmem_cache.c)
 zephyr_library_sources_ifdef(CONFIG_CACHE_NXP_XCACHE cache_nxp_xcache.c)
 zephyr_library_sources_ifdef(CONFIG_CACHE_STM32 cache_stm32.c)
 # zephyr-keep-sorted-stop

drivers/cache/Kconfig

@@ -23,6 +23,7 @@ source "drivers/cache/Kconfig.andes"
 source "drivers/cache/Kconfig.aspeed"
 source "drivers/cache/Kconfig.bflb"
 source "drivers/cache/Kconfig.nrf"
+source "drivers/cache/Kconfig.nxp_lmem_cache"
 source "drivers/cache/Kconfig.nxp_xcache"
 source "drivers/cache/Kconfig.stm32"
 # zephyr-keep-sorted-stop

drivers/cache/Kconfig.nxp_lmem_cache

@@ -0,0 +1,10 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config CACHE_NXP_LMEM_CACHE
+	bool "NXP LMEM cache driver"
+	default y
+	select CACHE_HAS_DRIVER
+	depends on HAS_MCUX_LMEM_CACHE
+	help
+	  This option enables the LMEM cache driver for NXP SOCs.

drivers/cache/cache_nxp_lmem_cache.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/drivers/cache.h>
+#include <zephyr/logging/log.h>
+#include <fsl_cache.h>
+
+void cache_instr_enable(void)
+{
+	L1CACHE_EnableCodeCache();
+}
+
+void cache_instr_disable(void)
+{
+	L1CACHE_DisableCodeCache();
+}
+
+int cache_instr_flush_all(void)
+{
+	L1CACHE_CleanCodeCache();
+
+	return 0;
+}
+
+int cache_instr_invd_all(void)
+{
+	L1CACHE_InvalidateCodeCache();
+
+	return 0;
+}
+
+int cache_instr_flush_and_invd_all(void)
+{
+	L1CACHE_CleanInvalidateCodeCache();
+
+	return 0;
+}
+
+int cache_instr_flush_range(void *addr, size_t size)
+{
+	L1CACHE_CleanCodeCacheByRange((uint32_t)addr, (uint32_t)size);
+
+	return 0;
+}
+
+int cache_instr_invd_range(void *addr, size_t size)
+{
+	L1CACHE_InvalidateCodeCacheByRange((uint32_t)addr, (uint32_t)size);
+
+	return 0;
+}
+
+int cache_instr_flush_and_invd_range(void *addr, size_t size)
+{
+	L1CACHE_CleanInvalidateCodeCacheByRange((uint32_t)addr, (uint32_t)size);
+
+	return 0;
+}

modules/hal_nxp/mcux/Kconfig.mcux

@@ -1,7 +1,7 @@
 # MCUXpresso SDK
 
 # Copyright (c) 2016, Freescale Semiconductor, Inc.
-# Copyright 2024 NXP
+# Copyright 2024, 2025 NXP
 # SPDX-License-Identifier: Apache-2.0
 
 config HAS_MCUX
@@ -52,6 +52,11 @@ config HAS_MCUX_XCACHE
 	help
 	  Set if the XCACHE module is present on the SoC.
 
+config HAS_MCUX_LMEM_CACHE
+	bool
+	help
+	  Set if the LMEM Cache module is present on the SoC.
+
 config HAS_NXP_MONOLITHIC_NBU
 	bool
 	help

modules/hal_nxp/mcux/mcux-sdk-ng/drivers/drivers.cmake

@@ -200,6 +200,8 @@ elseif((${MCUX_DEVICE} MATCHES "MIMXRT(5|6)") OR (${MCUX_DEVICE} MATCHES "RW61")
   set_variable_ifdef(CONFIG_HAS_MCUX_CACHE		CONFIG_MCUX_COMPONENT_driver.cache_cache64)
 elseif((${MCUX_DEVICE} MATCHES "MK(28|66)") OR (${MCUX_DEVICE} MATCHES "MKE(14|16|18)") OR (CONFIG_SOC_MIMXRT1166_CM4) OR (CONFIG_SOC_MIMXRT1176_CM4))
   set_variable_ifdef(CONFIG_HAS_MCUX_CACHE		CONFIG_MCUX_COMPONENT_driver.cache_lmem)
+elseif(CONFIG_SOC_SERIES_MCXE24X)
+  set_variable_ifdef(CONFIG_HAS_MCUX_LMEM_CACHE    CONFIG_MCUX_COMPONENT_driver.cache_lmem)
 elseif(CONFIG_CPU_CORTEX_A)
   set_variable_ifdef(CONFIG_HAS_MCUX_CACHE              CONFIG_MCUX_COMPONENT_driver.cache_armv8_a)
 endif()

soc/nxp/mcx/mcxe/mcxe24x/Kconfig

@@ -9,6 +9,8 @@ config SOC_SERIES_MCXE24X
 	select HAS_MCUX
 	select CLOCK_CONTROL
 	select SOC_RESET_HOOK
+	select CPU_HAS_ICACHE
+	select HAS_MCUX_LMEM_CACHE
 
 if SOC_SERIES_MCXE24X
 

soc/nxp/mcx/mcxe/mcxe24x/Kconfig.defconfig

@@ -19,4 +19,12 @@ config CPU_HAS_CUSTOM_FIXED_SOC_MPU_REGIONS
 config GPIO
 	default y
 
+# Enable cache management features
+configdefault CACHE_MANAGEMENT
+	default y
+
+choice CACHE_TYPE
+	default EXTERNAL_CACHE
+endchoice
+
 endif # SOC_SERIES_MCXE24X