1 /* 2 * (C) Copyright 2012 3 * Linaro 4 * Linus Walleij <linus.walleij@linaro.org> 5 * Common ARM Integrator configuration settings 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #define CONFIG_SYS_TEXT_BASE 0x01000000 11 #define CONFIG_SYS_MEMTEST_START 0x100000 12 #define CONFIG_SYS_MEMTEST_END 0x10000000 13 #define CONFIG_SYS_TIMERBASE 0x13000100 /* Timer1 */ 14 #define CONFIG_SYS_LOAD_ADDR 0x7fc0 /* default load address */ 15 #define CONFIG_SYS_LONGHELP 16 #define CONFIG_SYS_HUSH_PARSER 17 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size*/ 18 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) 19 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 20 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size*/ 21 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) /* Size of malloc() pool */ 22 23 /* Serial port PL010/PL011 through the device model */ 24 #define CONFIG_PL01X_SERIAL 25 #define CONFIG_BAUDRATE 38400 26 #define CONFIG_CONS_INDEX 0 27 28 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 29 #define CONFIG_SETUP_MEMORY_TAGS 30 #define CONFIG_OF_LIBFDT /* enable passing a Device Tree */ 31 #define CONFIG_MISC_INIT_R /* call misc_init_r during start up */ 32 #define CONFIG_SYS_GENERIC_BOARD 33 34 /* 35 * There are various dependencies on the core module (CM) fitted 36 * Users should refer to their CM user guide 37 */ 38 #include "armcoremodule.h" 39 40 /* 41 * Initialize and remap the core module, use SPD to detect memory size 42 * If CONFIG_SKIP_LOWLEVEL_INIT is not defined & 43 * the core module has a CM_INIT register 44 * then the U-Boot initialisation code will 45 * e.g. ARM Boot Monitor or pre-loader is repeated once 46 * (to re-initialise any existing CM_INIT settings to safe values). 47 * 48 * This is usually not the desired behaviour since the platform 49 * will either reboot into the ARM monitor (or pre-loader) 50 * or continuously cycle thru it without U-Boot running, 51 * depending upon the setting of Integrator/CP switch S2-4. 52 * 53 * However it may be needed if Integrator/CP switch S2-1 54 * is set OFF to boot direct into U-Boot. 55 * In that case comment out the line below. 56 */ 57 #define CONFIG_CM_INIT 58 #define CONFIG_CM_REMAP 59 #define CONFIG_CM_SPD_DETECT 60 61 /* 62 * The ARM boot monitor initializes the board. 63 * However, the default U-Boot code also performs the initialization. 64 * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT 65 * - see documentation supplied with board for details of how to choose the 66 * image to run at reset/power up 67 * e.g. whether the ARM Boot Monitor runs before U-Boot 68 */ 69 /* #define CONFIG_SKIP_LOWLEVEL_INIT */ 70 71 /* 72 * The ARM boot monitor does not relocate U-Boot. 73 * However, the default U-Boot code performs the relocation check, 74 * and may relocate the code if the memory map is changed. 75 * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT 76 */ 77 /* #define SKIP_CONFIG_RELOCATE_UBOOT */ 78 79 80 /* 81 * Physical Memory Map 82 */ 83 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ 84 #define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ 85 #define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */ 86 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 87 #define CONFIG_SYS_INIT_RAM_SIZE PHYS_SDRAM_1_SIZE 88 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \ 89 CONFIG_SYS_INIT_RAM_SIZE - \ 90 GENERATED_GBL_DATA_SIZE) 91 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET 92 93 /* 94 * FLASH and environment organization 95 * Top varies according to amount fitted 96 * Reserve top 4 blocks of flash 97 * - ARM Boot Monitor 98 * - Unused 99 * - SIB block 100 * - U-Boot environment 101 */ 102 #define CONFIG_CMD_ARMFLASH 103 #define CONFIG_SYS_FLASH_CFI 1 104 #define CONFIG_FLASH_CFI_DRIVER 1 105 #define CONFIG_SYS_FLASH_BASE 0x24000000 106 #define CONFIG_SYS_MAX_FLASH_BANKS 1 107 108 /* Timeout values in ticks */ 109 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 110 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 111 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 112 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 113