1 /* 2 * Copyright (c) 2014 Wind River Systems, Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /** 8 * @file 9 * @brief ARM CORTEX-M memory map 10 * 11 * This module contains definitions for the memory map of the CORTEX-M series of 12 * processors. 13 */ 14 15 #ifndef ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_MEMORY_MAP_H_ 16 #define ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_MEMORY_MAP_H_ 17 18 #include <zephyr/sys/util.h> 19 20 /* 0x00000000 -> 0x1fffffff: Code in ROM [0.5 GB] */ 21 #define _CODE_BASE_ADDR 0x00000000 22 #define _CODE_END_ADDR 0x1FFFFFFF 23 24 /* 0x20000000 -> 0x3fffffff: SRAM [0.5GB] */ 25 #define _SRAM_BASE_ADDR 0x20000000 26 #define _SRAM_BIT_BAND_REGION 0x20000000 27 #define _SRAM_BIT_BAND_REGION_END 0x200FFFFF 28 #define _SRAM_BIT_BAND_ALIAS 0x22000000 29 #define _SRAM_BIT_BAND_ALIAS_END 0x23FFFFFF 30 #define _SRAM_END_ADDR 0x3FFFFFFF 31 32 /* 0x40000000 -> 0x5fffffff: Peripherals [0.5GB] */ 33 #define _PERI_BASE_ADDR 0x40000000 34 #define _PERI_BIT_BAND_REGION 0x40000000 35 #define _PERI_BIT_BAND_REGION_END 0x400FFFFF 36 #define _PERI_BIT_BAND_ALIAS 0x42000000 37 #define _PERI_BIT_BAND_ALIAS_END 0x43FFFFFF 38 #define _PERI_END_ADDR 0x5FFFFFFF 39 40 /* 0x60000000 -> 0x9fffffff: external RAM [1GB] */ 41 #define _ERAM_BASE_ADDR 0x60000000 42 #define _ERAM_END_ADDR 0x9FFFFFFF 43 44 /* 0xa0000000 -> 0xdfffffff: external devices [1GB] */ 45 #define _EDEV_BASE_ADDR 0xA0000000 46 #define _EDEV_END_ADDR 0xDFFFFFFF 47 48 /* 0xe0000000 -> 0xffffffff: varies by processor (see below) */ 49 50 /* 0xe0000000 -> 0xe00fffff: private peripheral bus */ 51 /* 0xe0000000 -> 0xe003ffff: internal [256KB] */ 52 #define _PPB_INT_BASE_ADDR 0xE0000000 53 #if defined(CONFIG_CPU_CORTEX_M0) || defined(CONFIG_CPU_CORTEX_M0PLUS) || \ 54 defined(CONFIG_CPU_CORTEX_M1) 55 #define _PPB_INT_RSVD_0 0xE0000000 56 #define _PPB_INT_DWT 0xE0001000 57 #define _PPB_INT_BPU 0xE0002000 58 #define _PPB_INT_RSVD_1 0xE0003000 59 #define _PPB_INT_SCS 0xE000E000 60 #define _PPB_INT_RSVD_2 0xE000F000 61 #elif defined(CONFIG_CPU_CORTEX_M3) || defined(CONFIG_CPU_CORTEX_M4) || \ 62 defined(CONFIG_CPU_CORTEX_M7) 63 #define _PPB_INT_ITM 0xE0000000 64 #define _PPB_INT_DWT 0xE0001000 65 #define _PPB_INT_FPB 0xE0002000 66 #define _PPB_INT_RSVD_1 0xE0003000 67 #define _PPB_INT_SCS 0xE000E000 68 #define _PPB_INT_RSVD_2 0xE000F000 69 #elif defined(CONFIG_CPU_CORTEX_M23) || defined(CONFIG_CPU_CORTEX_M33) || \ 70 defined(CONFIG_CPU_CORTEX_M55) || defined(CONFIG_CPU_CORTEX_M85) 71 #define _PPB_INT_RSVD_0 0xE0000000 72 #define _PPB_INT_SCS 0xE000E000 73 #define _PPB_INT_SCB 0xE000ED00 74 #define _PPB_INT_RSVD_1 0xE002E000 75 #else 76 #error Unknown CPU 77 #endif 78 #define _PPB_INT_END_ADDR 0xE003FFFF 79 80 /* 0xe0000000 -> 0xe00fffff: private peripheral bus */ 81 /* 0xe0040000 -> 0xe00fffff: external [768K] */ 82 #define _PPB_EXT_BASE_ADDR 0xE0040000 83 #if defined(CONFIG_CPU_CORTEX_M0) || defined(CONFIG_CPU_CORTEX_M0PLUS) || \ 84 defined(CONFIG_CPU_CORTEX_M1) || defined(CONFIG_CPU_CORTEX_M23) 85 #elif defined(CONFIG_CPU_CORTEX_M3) || defined(CONFIG_CPU_CORTEX_M4) 86 #define _PPB_EXT_TPIU 0xE0040000 87 #define _PPB_EXT_ETM 0xE0041000 88 #define _PPB_EXT_PPB 0xE0042000 89 #define _PPB_EXT_ROM_TABLE 0xE00FF000 90 #define _PPB_EXT_END_ADDR 0xE00FFFFF 91 #elif defined(CONFIG_CPU_CORTEX_M33) || defined(CONFIG_CPU_CORTEX_M55) || \ 92 defined(CONFIG_CPU_CORTEX_M85) 93 #undef _PPB_EXT_BASE_ADDR 94 #define _PPB_EXT_BASE_ADDR 0xE0044000 95 #define _PPB_EXT_ROM_TABLE 0xE00FF000 96 #define _PPB_EXT_END_ADDR 0xE00FFFFF 97 #elif defined(CONFIG_CPU_CORTEX_M7) 98 #define _PPB_EXT_BASE_ADDR 0xE0040000 99 #define _PPB_EXT_RSVD_TPIU 0xE0040000 100 #define _PPB_EXT_ETM 0xE0041000 101 #define _PPB_EXT_CTI 0xE0042000 102 #define _PPB_EXT_PPB 0xE0043000 103 #define _PPB_EXT_PROC_ROM_TABLE 0xE00FE000 104 #define _PPB_EXT_PPB_ROM_TABLE 0xE00FF000 105 #else 106 #error Unknown CPU 107 #endif 108 #define _PPB_EXT_END_ADDR 0xE00FFFFF 109 110 /* 0xe0100000 -> 0xffffffff: vendor-specific [0.5GB-1MB or 511MB] */ 111 #define _VENDOR_BASE_ADDR 0xE0100000 112 #define _VENDOR_END_ADDR 0xFFFFFFFF 113 114 #endif /* ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_MEMORY_MAP_H_ */ 115
