/* * Copyright (c) 2023 Carlo Caione * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_MEM_ATTR_ARM_H_ #define ZEPHYR_INCLUDE_DT_BINDINGS_MEM_ATTR_ARM_H_ #include #include /* * Architecture specific ARM MPU related attributes. * * This list is to seamlessy support the MPU regions configuration using DT and * the `zephyr,memory-attr` property. * * This is legacy and it should NOT be extended further. If new MPU region * types must be added, these must rely on the generic memory attributes. */ #define DT_MEM_ARM_MASK DT_MEM_ARCH_ATTR_MASK #define DT_MEM_ARM_GET(x) ((x) & DT_MEM_ARM_MASK) #define DT_MEM_ARM(x) ((x) << DT_MEM_ARCH_ATTR_SHIFT) #define ATTR_MPU_RAM BIT(0) #define ATTR_MPU_RAM_NOCACHE BIT(1) #define ATTR_MPU_FLASH BIT(2) #define ATTR_MPU_PPB BIT(3) #define ATTR_MPU_IO BIT(4) #define ATTR_MPU_EXTMEM BIT(5) #define DT_MEM_ARM_MPU_RAM DT_MEM_ARM(ATTR_MPU_RAM) #define DT_MEM_ARM_MPU_RAM_NOCACHE DT_MEM_ARM(ATTR_MPU_RAM_NOCACHE) #define DT_MEM_ARM_MPU_FLASH DT_MEM_ARM(ATTR_MPU_FLASH) #define DT_MEM_ARM_MPU_PPB DT_MEM_ARM(ATTR_MPU_PPB) #define DT_MEM_ARM_MPU_IO DT_MEM_ARM(ATTR_MPU_IO) #define DT_MEM_ARM_MPU_EXTMEM DT_MEM_ARM(ATTR_MPU_EXTMEM) #define DT_MEM_ARM_MPU_UNKNOWN DT_MEM_ARCH_ATTR_UNKNOWN #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_MEM_ATTR_ARM_H_ */