/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include "sdkconfig.h" #include "soc/ext_mem_defs.h" #include "ext_mem_layout.h" #include "mmu.h" #if CONFIG_IDF_TARGET_ESP32 /** * These regions is referring to linear address * The start addresses in this list should always be sorted from low to high, as MMU driver will need to * coalesce adjacent regions */ const mmu_mem_region_t g_mmu_mem_regions[SOC_MMU_LINEAR_ADDRESS_REGION_NUM] = { /*linear start linear end bus size bus ID, bus capabilities */ //Can be used for text {SOC_MMU_IRAM0_LINEAR_ADDRESS_LOW, SOC_MMU_IRAM0_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_IRAM0_LINEAR), CACHE_BUS_IBUS0, MMU_MEM_CAP_EXEC | MMU_MEM_CAP_READ | MMU_MEM_CAP_32BIT}, //Can be used for text {SOC_MMU_IRAM1_LINEAR_ADDRESS_LOW, SOC_MMU_IRAM1_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_IRAM1_LINEAR), CACHE_BUS_IBUS1, MMU_MEM_CAP_EXEC | MMU_MEM_CAP_READ | MMU_MEM_CAP_32BIT}, //Can be used for text {SOC_MMU_IROM0_LINEAR_ADDRESS_LOW, SOC_MMU_IROM0_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_IROM0_LINEAR), CACHE_BUS_IBUS2, MMU_MEM_CAP_EXEC | MMU_MEM_CAP_READ | MMU_MEM_CAP_32BIT}, //Can be used for rodata {SOC_MMU_DROM0_LINEAR_ADDRESS_LOW, SOC_MMU_DROM0_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_DROM0_LINEAR), CACHE_BUS_DBUS0, MMU_MEM_CAP_READ | MMU_MEM_CAP_32BIT | MMU_MEM_CAP_8BIT}, //Can be used for PSRAM {SOC_MMU_DRAM1_LINEAR_ADDRESS_LOW, SOC_MMU_DRAM1_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_DRAM1_LINEAR), CACHE_BUS_DBUS1, MMU_MEM_CAP_READ | MMU_MEM_CAP_WRITE | MMU_MEM_CAP_32BIT | MMU_MEM_CAP_8BIT}, }; #elif CONFIG_IDF_TARGET_ESP32S2 /** * These regions is referring to linear address * The start addresses in this list should always be sorted from low to high, as MMU driver will need to * coalesce adjacent regions */ const mmu_mem_region_t g_mmu_mem_regions[SOC_MMU_LINEAR_ADDRESS_REGION_NUM] = { /*linear start linear end bus size bus ID, bus capabilities */ //Can be used for text {SOC_MMU_IRAM0_LINEAR_ADDRESS_LOW, SOC_MMU_IRAM0_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_IRAM0_LINEAR), CACHE_BUS_IBUS0, MMU_MEM_CAP_EXEC | MMU_MEM_CAP_READ | MMU_MEM_CAP_32BIT}, //Can be used for text {SOC_MMU_IRAM1_LINEAR_ADDRESS_LOW, SOC_MMU_IRAM1_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_IRAM1_LINEAR), CACHE_BUS_IBUS1, MMU_MEM_CAP_EXEC | MMU_MEM_CAP_READ | MMU_MEM_CAP_32BIT}, //Can be used for Flash rodata, connected by IBUS {SOC_MMU_DROM0_LINEAR_ADDRESS_LOW, SOC_MMU_DROM0_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_DROM0_LINEAR), CACHE_BUS_IBUS2, MMU_MEM_CAP_READ | MMU_MEM_CAP_32BIT | MMU_MEM_CAP_8BIT}, //Can be used for PSRAM {SOC_MMU_DPORT_LINEAR_ADDRESS_LOW, SOC_MMU_DPORT_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_DPORT_LINEAR), CACHE_BUS_DBUS2, MMU_MEM_CAP_READ | MMU_MEM_CAP_WRITE | MMU_MEM_CAP_32BIT}, //Can be used for PSRAM {SOC_MMU_DRAM1_LINEAR_ADDRESS_LOW, SOC_MMU_DRAM1_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_DRAM1_LINEAR), CACHE_BUS_DBUS1, MMU_MEM_CAP_READ | MMU_MEM_CAP_WRITE | MMU_MEM_CAP_32BIT | MMU_MEM_CAP_8BIT}, //Can be used for PSRAM {SOC_MMU_DRAM0_LINEAR_ADDRESS_LOW, SOC_MMU_DRAM0_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_DRAM0_LINEAR), CACHE_BUS_DBUS0, MMU_MEM_CAP_READ | MMU_MEM_CAP_WRITE | MMU_MEM_CAP_32BIT | MMU_MEM_CAP_8BIT}, }; #elif CONFIG_IDF_TARGET_ESP32S3 /** * The start addresses in this list should always be sorted from low to high, as MMU driver will need to * coalesce adjacent regions */ const mmu_mem_region_t g_mmu_mem_regions[SOC_MMU_LINEAR_ADDRESS_REGION_NUM] = { /*linear start linear end bus size bus ID, bus capabilities */ /** * Can be used for Flash text, rodata, and PSRAM * IRAM0 linear address should be always the same as DRAM0 linear address */ {SOC_MMU_IRAM0_LINEAR_ADDRESS_LOW, SOC_MMU_IRAM0_LINEAR_ADDRESS_HIGH, BUS_SIZE(SOC_MMU_IRAM0_LINEAR), CACHE_BUS_IBUS0 | CACHE_BUS_DBUS0, MMU_MEM_CAP_EXEC | MMU_MEM_CAP_READ | MMU_MEM_CAP_WRITE | MMU_MEM_CAP_32BIT | MMU_MEM_CAP_8BIT}, }; #endif