enable ethernet support on the stm32mp135f-dk

arch/arm/core/mmu/arm_mmu.c

@@ -891,6 +891,17 @@ static int __arch_mem_map(void *virt, uintptr_t phys, size_t size, uint32_t flag
 	switch (flags & K_MEM_CACHE_MASK) {
 
 	case K_MEM_CACHE_NONE:
+		switch (flags & K_MEM_ARM_NC_TYPE_MASK) {
+		case K_MEM_ARM_STRONGLY_ORDERED_NC:
+			conv_flags |= MT_STRONGLY_ORDERED;
+			break;
+		case K_MEM_ARM_NORMAL_NC:
+			conv_flags |= MT_NORMAL;
+			break;
+		default:
+			conv_flags |= MT_DEVICE;
+		}
+		break;
 	default:
 		conv_flags |= MT_DEVICE;
 		break;

include/zephyr/arch/arm/arm_mem.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2025 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef ZEPHYR_INCLUDE_ARCH_ARM_ARM_MEM_H_
+#define ZEPHYR_INCLUDE_ARCH_ARM_ARM_MEM_H_
+
+/*
+ * Define ARM specific memory flags used by k_mem_map_phys_bare()
+ * followed public definitions in include/kernel/mm.h.
+ */
+
+/**
+ * @name optional region type attributes when K_MEM_CACHE_NONE is set
+ *
+ * Default is non cacheable device type
+ *
+ * @{
+ */
+
+/** Non-cacheable region will get device attribute allowing non aligned access */
+#define K_MEM_ARM_DEVICE_NC		0
+/** Non-cacheable region will get normal attribute allowing non aligned access */
+#define K_MEM_ARM_NORMAL_NC		BIT(30)
+/** Non-cacheable region will get strongly ordered attribute */
+#define K_MEM_ARM_STRONGLY_ORDERED_NC	BIT(31)
+/** Reserved bits for cache modes in k_map() flags argument */
+#define K_MEM_ARM_NC_TYPE_MASK		(BIT(31) | BIT(30))
+
+/** @} */
+
+#endif /* ZEPHYR_INCLUDE_ARCH_ARM64_ARM_MEM_H_ */

include/zephyr/kernel/mm.h

@@ -11,6 +11,8 @@
 #include <zephyr/toolchain.h>
 #if defined(CONFIG_ARM_MMU) && defined(CONFIG_ARM64)
 #include <zephyr/arch/arm64/arm_mem.h>
+#elif defined(CONFIG_ARM_AARCH32_MMU)
+#include <zephyr/arch/arm/arm_mem.h>
 #endif /* CONFIG_ARM_MMU && CONFIG_ARM64 */
 
 #include <zephyr/kernel/internal/mm.h>

west.yml

@@ -250,7 +250,7 @@ manifest:
       groups:
         - hal
     - name: hal_stm32
-      revision: d768bcbf9b6f75b46eff274b343a9556c0ce108d
+      revision: b6f03b6efd92da4564b38df8cb54d7dad5f37163
       path: modules/hal/stm32
       groups:
         - hal