40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/*
|
|
* Copyright (c) 2019 Synopsys
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/devicetree.h>
|
|
#include <zephyr/arch/arc/v2/mpu/arc_mpu.h>
|
|
#include <zephyr/linker/linker-defs.h>
|
|
|
|
static struct arc_mpu_region mpu_regions[] = {
|
|
/* Region ICCM */
|
|
MPU_REGION_ENTRY("ICCM",
|
|
DT_REG_ADDR(DT_INST(0, arc_iccm)),
|
|
DT_REG_SIZE(DT_INST(0, arc_iccm)),
|
|
REGION_ROM_ATTR),
|
|
/* Region DCCM */
|
|
MPU_REGION_ENTRY("DCCM",
|
|
DT_REG_ADDR(DT_INST(0, arc_dccm)),
|
|
DT_REG_SIZE(DT_INST(0, arc_dccm)),
|
|
REGION_KERNEL_RAM_ATTR | REGION_DYNAMIC),
|
|
/* Region DDR RAM */
|
|
MPU_REGION_ENTRY("SRAM",
|
|
DT_REG_ADDR(DT_INST(0, mmio_sram)),
|
|
DT_REG_SIZE(DT_INST(0, mmio_sram)),
|
|
REGION_KERNEL_RAM_ATTR |
|
|
AUX_MPU_ATTR_KW | AUX_MPU_ATTR_KR | AUX_MPU_ATTR_UR |
|
|
AUX_MPU_ATTR_KE | AUX_MPU_ATTR_UE | REGION_DYNAMIC),
|
|
/* Region Peripheral */
|
|
MPU_REGION_ENTRY("PERIPHERAL",
|
|
0xF0000000,
|
|
64 * 1024,
|
|
REGION_KERNEL_RAM_ATTR),
|
|
};
|
|
|
|
struct arc_mpu_config mpu_config = {
|
|
.num_regions = ARRAY_SIZE(mpu_regions),
|
|
.mpu_regions = mpu_regions,
|
|
};
|