1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2012 4 * Linaro 5 * Linus Walleij <linus.walleij@linaro.org> 6 * Common ARM Integrator configuration settings 7 */ 8 9 #define CONFIG_SYS_MEMTEST_START 0x100000 10 #define CONFIG_SYS_MEMTEST_END 0x10000000 11 #define CONFIG_SYS_TIMERBASE 0x13000100 /* Timer1 */ 12 #define CONFIG_SYS_LOAD_ADDR 0x7fc0 /* default load address */ 13 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) /* Size of malloc() pool */ 14 15 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 16 #define CONFIG_SETUP_MEMORY_TAGS 17 #define CONFIG_MISC_INIT_R /* call misc_init_r during start up */ 18 19 /* 20 * There are various dependencies on the core module (CM) fitted 21 * Users should refer to their CM user guide 22 */ 23 #include "armcoremodule.h" 24 25 /* 26 * Initialize and remap the core module, use SPD to detect memory size 27 * If CONFIG_SKIP_LOWLEVEL_INIT is not defined & 28 * the core module has a CM_INIT register 29 * then the U-Boot initialisation code will 30 * e.g. ARM Boot Monitor or pre-loader is repeated once 31 * (to re-initialise any existing CM_INIT settings to safe values). 32 * 33 * This is usually not the desired behaviour since the platform 34 * will either reboot into the ARM monitor (or pre-loader) 35 * or continuously cycle thru it without U-Boot running, 36 * depending upon the setting of Integrator/CP switch S2-4. 37 * 38 * However it may be needed if Integrator/CP switch S2-1 39 * is set OFF to boot direct into U-Boot. 40 * In that case comment out the line below. 41 */ 42 #define CONFIG_CM_INIT 43 #define CONFIG_CM_REMAP 44 #define CONFIG_CM_SPD_DETECT 45 46 /* 47 * The ARM boot monitor initializes the board. 48 * However, the default U-Boot code also performs the initialization. 49 * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT 50 * - see documentation supplied with board for details of how to choose the 51 * image to run at reset/power up 52 * e.g. whether the ARM Boot Monitor runs before U-Boot 53 */ 54 /* #define CONFIG_SKIP_LOWLEVEL_INIT */ 55 56 /* 57 * The ARM boot monitor does not relocate U-Boot. 58 * However, the default U-Boot code performs the relocation check, 59 * and may relocate the code if the memory map is changed. 60 * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT 61 */ 62 /* #define SKIP_CONFIG_RELOCATE_UBOOT */ 63 64 /* 65 * Physical Memory Map 66 */ 67 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ 68 #define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ 69 #define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */ 70 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 71 #define CONFIG_SYS_INIT_RAM_SIZE PHYS_SDRAM_1_SIZE 72 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \ 73 CONFIG_SYS_INIT_RAM_SIZE - \ 74 GENERATED_GBL_DATA_SIZE) 75 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET 76 77 /* 78 * FLASH and environment organization 79 * Top varies according to amount fitted 80 * Reserve top 4 blocks of flash 81 * - ARM Boot Monitor 82 * - Unused 83 * - SIB block 84 * - U-Boot environment 85 */ 86 #define CONFIG_SYS_FLASH_CFI 1 87 #define CONFIG_FLASH_CFI_DRIVER 1 88 #define CONFIG_SYS_FLASH_BASE 0x24000000 89 #define CONFIG_SYS_MAX_FLASH_BANKS 1 90 91 /* Timeout values in ticks */ 92 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 93 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 94 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 95 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 96