| /* |
| * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd. |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| #pragma once |
| |
| /* SRAM0 (64k+128k) instruction cache+memory */ |
| #define SRAM0_IRAM_START 0x40070000 |
| #define SRAM0_CACHE_SIZE 0x10000 |
| #define SRAM0_SIZE 0x30000 |
| |
| /* SRAM1 (128k) instruction/data memory */ |
| #define SRAM1_IRAM_START 0x400a0000 |
| #define SRAM1_DRAM_START 0x3ffe0000 |
| #define SRAM1_SIZE 0x20000 |
| #define SRAM1_DRAM_PROAPP_PRIV_SIZE 0x8000 |
| #define SRAM1_DRAM_USABLE_START 0x3ffe8000 /* Can be optimised - 0x3ffe5230 (?) */ |
| #define SRAM1_USABLE_SIZE (0x40000000 - SRAM1_DRAM_USABLE_START) |
| |
| /* SRAM2 (200k) data memory */ |
| #define SRAM2_DRAM_START 0x3ffae000 |
| #define SRAM2_SIZE 0x32000 |
| #define SRAM2_DRAM_SHM_PRIV_SIZE 0x2000 |
| #define SRAM2_DRAM_USABLE_START 0x3ffb0000 |
| #define SRAM2_USABLE_SIZE (SRAM1_DRAM_START - SRAM2_DRAM_USABLE_START) |
| |
| /** Simplified memory map for the bootloader. |
| * Make sure the bootloader can load into main memory without overwriting itself. |
| * |
| * ESP32 ROM static data usage is as follows: |
| * - 0x3ffae000 - 0x3ffb0000 (Reserved: data memory for ROM functions) |
| * - 0x3ffb0000 - 0x3ffe0000 (RAM bank 1 for application usage) |
| * - 0x3ffe0000 - 0x3ffe0440 (Reserved: data memory for ROM PRO CPU) |
| * - 0x3ffe3f20 - 0x3ffe4350 (Reserved: data memory for ROM APP CPU) |
| * - 0x3ffe4350 - 0x3ffe5230 (BT shm buffers) |
| * - 0x3ffe8000 - 0x3fffffff (RAM bank 2 for application usage) |
| */ |
| |
| #define DRAM1_PROCPU_RESERVED_START 0x3ffe0000 |
| #define DRAM1_APPCPU_RESERVED_START 0x3ffe3f20 |
| #define DRAM1_BT_SHM_BUFFERS_START 0x3ffe4350 |
| #define DRAM1_BT_SHM_BUFFERS_END 0x3ffe5230 |
| |
| /* Conversion beween IRAM and DRAM in SRAM1 memory */ |
| #define SRAM1_IRAM_DRAM_CALC(addr_iram) \ |
| (SRAM1_SIZE - ((addr_iram) - SRAM1_IRAM_START) + SRAM1_DRAM_START) |
| #define SRAM1_DRAM_IRAM_CALC(addr_dram) \ |
| (SRAM1_SIZE - ((addr_dram) - SRAM1_DRAM_START) + SRAM1_IRAM_START) |
| |
| /* For safety margin between bootloader data section and startup stacks */ |
| #define BOOTLOADER_DRAM_SEG_LEN 0x6400 |
| #define BOOTLOADER_IRAM_LOADER_SEG_LEN 0x4000 |
| #define BOOTLOADER_IRAM_SEG_LEN 0x9500 |
| |
| /* Start of the lower region is determined by region size and the end of the higher region */ |
| #define BOOTLOADER_DRAM_SEG_START 0x3fff0000 |
| #define BOOTLOADER_DRAM_SEG_END (BOOTLOADER_DRAM_SEG_START + BOOTLOADER_DRAM_SEG_LEN) |
| #define BOOTLOADER_IRAM_LOADER_SEG_START 0x40078000 |
| /* TODO: It should be possible to have this @ 0x40080400 |
| * but due a bug we need to use different memory location. |
| */ |
| #define BOOTLOADER_IRAM_SEG_START 0x400a0000 |
| |
| /* Flash */ |
| #ifdef CONFIG_FLASH_SIZE |
| #define FLASH_SIZE CONFIG_FLASH_SIZE |
| #else |
| #define FLASH_SIZE 0x400000 |
| #endif |
| |
| /* Cached memories */ |
| #define CACHE_ALIGN CONFIG_MMU_PAGE_SIZE |
| #define IROM_SEG_ORG 0x400d0000 |
| #define IROM_SEG_LEN (FLASH_SIZE - 0x1000) |
| #define DROM_SEG_ORG 0x3f400000 |
| #define DROM_SEG_LEN (FLASH_SIZE - 0x1000) |
| |
| /* AMP: TODO utilise memory for APPCPU */ |
| #ifndef CONFIG_SOC_ESP32_PROCPU |
| #define APPCPU_IRAM_SIZE 0x20000 |
| #else |
| #define APPCPU_IRAM_SIZE 0x8000 |
| #endif |
