zephyr/arch/arm/soc/nordic_nrf5/nrf52/mpu_regions.c

43 lines
952 B
C

/*
* Copyright (c) 2017 Linaro Limited.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc.h>
#include <arch/arm/cortex_m/mpu/arm_mpu.h>
#include "mpu_mem_cfg.h"
#define XICR_BASE 0x10000000
#define PERIPH_BASE 0x40000000
#define M4_PPB_BASE 0xE0000000
static struct arm_mpu_region mpu_regions[] = {
/* Region 0 */
MPU_REGION_ENTRY("FLASH_0",
CONFIG_FLASH_BASE_ADDRESS,
REGION_FLASH_ATTR(REGION_FLASH_SIZE)),
/* Region 1 */
MPU_REGION_ENTRY("SRAM_0",
CONFIG_SRAM_BASE_ADDRESS,
REGION_RAM_ATTR(REGION_SRAM_0_SIZE)),
/* Region 2 */
MPU_REGION_ENTRY("FACTUSERCFG_0",
XICR_BASE,
REGION_IO_ATTR(REGION_8K)),
/* Region 3 */
MPU_REGION_ENTRY("PERIPH_0",
PERIPH_BASE,
REGION_IO_ATTR(REGION_512M)),
/* Region 4 */
MPU_REGION_ENTRY("PPB_0",
M4_PPB_BASE,
REGION_PPB_ATTR(REGION_64K)),
};
struct arm_mpu_config mpu_config = {
.num_regions = ARRAY_SIZE(mpu_regions),
.mpu_regions = mpu_regions,
};