1 /* 2 * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 #ifndef __BOARD_ARM_DEF_H__ 7 #define __BOARD_ARM_DEF_H__ 8 9 #include <v2m_def.h> 10 11 12 /* 13 * Required platform porting definitions common to all ARM 14 * development platforms 15 */ 16 17 /* Size of cacheable stacks */ 18 #if defined(IMAGE_BL1) 19 #if TRUSTED_BOARD_BOOT 20 # define PLATFORM_STACK_SIZE 0x1000 21 #else 22 # define PLATFORM_STACK_SIZE 0x440 23 #endif 24 #elif defined(IMAGE_BL2) 25 # if TRUSTED_BOARD_BOOT 26 # define PLATFORM_STACK_SIZE 0x1000 27 # else 28 # define PLATFORM_STACK_SIZE 0x400 29 # endif 30 #elif defined(IMAGE_BL2U) 31 # define PLATFORM_STACK_SIZE 0x200 32 #elif defined(IMAGE_BL31) 33 # define PLATFORM_STACK_SIZE 0x400 34 #elif defined(IMAGE_BL32) 35 # define PLATFORM_STACK_SIZE 0x440 36 #endif 37 38 /* 39 * The constants below are not optimised for memory usage. Platforms that wish 40 * to optimise these constants should set `ARM_BOARD_OPTIMISE_MEM` to 1 and 41 * provide there own values. 42 */ 43 #if !ARM_BOARD_OPTIMISE_MEM 44 /* 45 * PLAT_ARM_MMAP_ENTRIES depends on the number of entries in the 46 * plat_arm_mmap array defined for each BL stage. 47 * 48 * Provide relatively optimised values for the runtime images (BL31 and BL32). 49 * Optimisation is less important for the other, transient boot images so a 50 * common, maximum value is used across these images. 51 * 52 * They are also used for the dynamically mapped regions in the images that 53 * enable dynamic memory mapping. 54 */ 55 #if defined(IMAGE_BL31) || defined(IMAGE_BL32) 56 # define PLAT_ARM_MMAP_ENTRIES 7 57 # define MAX_XLAT_TABLES 5 58 #else 59 # define PLAT_ARM_MMAP_ENTRIES 11 60 # define MAX_XLAT_TABLES 5 61 #endif 62 63 /* 64 * PLAT_ARM_MAX_BL1_RW_SIZE is calculated using the current BL1 RW debug size 65 * plus a little space for growth. 66 */ 67 #define PLAT_ARM_MAX_BL1_RW_SIZE 0xB000 68 69 /* 70 * PLAT_ARM_MAX_BL2_SIZE is calculated using the current BL2 debug size plus a 71 * little space for growth. 72 */ 73 #if TRUSTED_BOARD_BOOT 74 # define PLAT_ARM_MAX_BL2_SIZE 0x1E000 75 #else 76 # define PLAT_ARM_MAX_BL2_SIZE 0xF000 77 #endif 78 79 /* 80 * PLAT_ARM_MAX_BL31_SIZE is calculated using the current BL31 debug size plus a 81 * little space for growth. 82 */ 83 #define PLAT_ARM_MAX_BL31_SIZE 0x1D000 84 85 #endif /* ARM_BOARD_OPTIMISE_MEM */ 86 87 #define MAX_IO_DEVICES 3 88 #define MAX_IO_HANDLES 4 89 90 #define PLAT_ARM_TRUSTED_SRAM_SIZE 0x00040000 /* 256 KB */ 91 92 /* Reserve the last block of flash for PSCI MEM PROTECT flag */ 93 #define PLAT_ARM_FIP_BASE V2M_FLASH0_BASE 94 #define PLAT_ARM_FIP_MAX_SIZE (V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE) 95 96 #define PLAT_ARM_NVM_BASE V2M_FLASH0_BASE 97 #define PLAT_ARM_NVM_SIZE (V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE) 98 99 /* PSCI memory protect definitions: 100 * This variable is stored in a non-secure flash because some ARM reference 101 * platforms do not have secure NVRAM. Real systems that provided MEM_PROTECT 102 * support must use a secure NVRAM to store the PSCI MEM_PROTECT definitions. 103 */ 104 #define PLAT_ARM_MEM_PROT_ADDR (V2M_FLASH0_BASE + \ 105 V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE) 106 107 /* 108 * Map mem_protect flash region with read and write permissions 109 */ 110 #define ARM_V2M_MAP_MEM_PROTECT MAP_REGION_FLAT(PLAT_ARM_MEM_PROT_ADDR, \ 111 V2M_FLASH_BLOCK_SIZE, \ 112 MT_DEVICE | MT_RW | MT_SECURE) 113 114 #endif /* __BOARD_ARM_DEF_H__ */ 115