mirror of
https://github.com/espressif/esp-idf
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41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdbool.h>
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#include "hal/mpu_hal.h"
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#include "hal/mpu_types.h"
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#include "soc/soc_caps.h"
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#include "bootloader_mem.h"
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#include "esp_cpu.h"
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#if CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2
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#include "soc/hp_apm_reg.h"
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#include "soc/lp_apm_reg.h"
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#include "soc/lp_apm0_reg.h"
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#endif
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void bootloader_init_mem(void)
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{
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#if SOC_APM_SUPPORTED
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/* By default, these access path filters are enable and allow the
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* access to masters only if they are in TEE mode. Since all masters
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* except HP CPU boots in REE mode, default setting of these filters
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* will deny the access to all masters except HP CPU.
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* So, at boot disabling these filters. They will enable as per the
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* use case by TEE initialization code.
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*/
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REG_WRITE(LP_APM_FUNC_CTRL_REG, 0);
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REG_WRITE(LP_APM0_FUNC_CTRL_REG, 0);
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REG_WRITE(HP_APM_FUNC_CTRL_REG, 0);
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#endif
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#ifdef CONFIG_BOOTLOADER_REGION_PROTECTION_ENABLE
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// protect memory region
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esp_cpu_configure_region_protection();
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#endif
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}
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