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 33 /* 34 * There are various dependencies on the core module (CM) fitted 35 * Users should refer to their CM user guide 36 */ 37 #include "armcoremodule.h" 38 39 /* 40 * Initialize and remap the core module, use SPD to detect memory size 41 * If CONFIG_SKIP_LOWLEVEL_INIT is not defined & 42 * the core module has a CM_INIT register 43 * then the U-Boot initialisation code will 44 * e.g. ARM Boot Monitor or pre-loader is repeated once 45 * (to re-initialise any existing CM_INIT settings to safe values). 46 * 47 * This is usually not the desired behaviour since the platform 48 * will either reboot into the ARM monitor (or pre-loader) 49 * or continuously cycle thru it without U-Boot running, 50 * depending upon the setting of Integrator/CP switch S2-4. 51 * 52 * However it may be needed if Integrator/CP switch S2-1 53 * is set OFF to boot direct into U-Boot. 54 * In that case comment out the line below. 55 */ 56 #define CONFIG_CM_INIT 57 #define CONFIG_CM_REMAP 58 #define CONFIG_CM_SPD_DETECT 59 60 /* 61 * The ARM boot monitor initializes the board. 62 * However, the default U-Boot code also performs the initialization. 63 * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT 64 * - see documentation supplied with board for details of how to choose the 65 * image to run at reset/power up 66 * e.g. whether the ARM Boot Monitor runs before U-Boot 67 */ 68 /* #define CONFIG_SKIP_LOWLEVEL_INIT */ 69 70 /* 71 * The ARM boot monitor does not relocate U-Boot. 72 * However, the default U-Boot code performs the relocation check, 73 * and may relocate the code if the memory map is changed. 74 * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT 75 */ 76 /* #define SKIP_CONFIG_RELOCATE_UBOOT */ 77 78 79 /* 80 * Physical Memory Map 81 */ 82 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ 83 #define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ 84 #define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */ 85 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 86 #define CONFIG_SYS_INIT_RAM_SIZE PHYS_SDRAM_1_SIZE 87 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \ 88 CONFIG_SYS_INIT_RAM_SIZE - \ 89 GENERATED_GBL_DATA_SIZE) 90 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET 91 92 /* 93 * FLASH and environment organization 94 * Top varies according to amount fitted 95 * Reserve top 4 blocks of flash 96 * - ARM Boot Monitor 97 * - Unused 98 * - SIB block 99 * - U-Boot environment 100 */ 101 #define CONFIG_CMD_ARMFLASH 102 #define CONFIG_SYS_FLASH_CFI 1 103 #define CONFIG_FLASH_CFI_DRIVER 1 104 #define CONFIG_SYS_FLASH_BASE 0x24000000 105 #define CONFIG_SYS_MAX_FLASH_BANKS 1 106 107 /* Timeout values in ticks */ 108 #define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ 109 #define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ 110 #define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ 111 #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ 112