zephyr/soc/xtensa/dc233c/mmu.c

36 lines
969 B
C

/*
* Copyright (c) 2023 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include <xtensa/config/core-isa.h>
#include <zephyr/devicetree.h>
#include <zephyr/arch/xtensa/xtensa_mmu.h>
#include <zephyr/sys/util.h>
const struct xtensa_mmu_range xtensa_soc_mmu_ranges[] = {
{
.start = (uint32_t)XCHAL_VECBASE_RESET_VADDR,
.end = (uint32_t)CONFIG_SRAM_OFFSET,
.attrs = XTENSA_MMU_PERM_X | XTENSA_MMU_CACHED_WB | XTENSA_MMU_MAP_SHARED,
.name = "vecbase",
},
{
/* The ROM is 32MB but the address wraps around back to 0x00000000.
* So just skip the last page so we don't have to deal with integer
* overflow.
*/
.start = (uint32_t)DT_REG_ADDR(DT_NODELABEL(rom0)),
.end = (uint32_t)DT_REG_ADDR(DT_NODELABEL(rom0)) +
(uint32_t)DT_REG_SIZE(DT_NODELABEL(rom0)),
.attrs = XTENSA_MMU_PERM_X | XTENSA_MMU_CACHED_WB,
.name = "rom",
},
};
int xtensa_soc_mmu_ranges_num = ARRAY_SIZE(xtensa_soc_mmu_ranges);