1 /* 2 * Configuation settings for the Motorola MC5282EVB board. 3 * 4 * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of 12 * the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 22 * MA 02111-1307 USA 23 */ 24 25 /* 26 * board/config.h - configuration options, board specific 27 */ 28 29 #ifndef _CONFIG_M5282EVB_H 30 #define _CONFIG_M5282EVB_H 31 32 /* 33 * High Level Configuration Options 34 * (easy to change) 35 */ 36 #define CONFIG_MCF52x2 /* define processor family */ 37 #define CONFIG_M5282 /* define processor type */ 38 39 #define FEC_ENET 40 41 #define CONFIG_BAUDRATE 19200 42 #define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } 43 44 #define CONFIG_MONITOR_IS_IN_RAM /* define if monitor is started from a pre-loader */ 45 46 /* Configuration for environment 47 * Environment is embedded in u-boot in the second sector of the flash 48 */ 49 #define CFG_ENV_ADDR 0xffe04000 50 #define CFG_ENV_SIZE 0x2000 51 #define CFG_ENV_IS_IN_FLASH 1 52 53 54 /* 55 * Command line configuration. 56 */ 57 #include <config_cmd_default.h> 58 59 #undef CONFIG_CMD_LOADS 60 #undef CONFIG_CMD_LOADB 61 62 63 #define CONFIG_BOOTDELAY 5 64 65 #define CFG_PROMPT "-> " 66 #define CFG_LONGHELP /* undef to save memory */ 67 68 #if defined(CONFIG_CMD_KGDB) 69 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ 70 #else 71 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ 72 #endif 73 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ 74 #define CFG_MAXARGS 16 /* max number of command args */ 75 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ 76 77 #define CFG_LOAD_ADDR 0x20000 78 79 #define CFG_MEMTEST_START 0x400 80 #define CFG_MEMTEST_END 0x380000 81 82 #define CFG_HZ 1000000 83 #define CFG_CLK 64000000 84 85 86 /* 87 * Low Level Configuration Settings 88 * (address mappings, register initial values, etc.) 89 * You should know what you are doing if you make changes here. 90 */ 91 #define CFG_MBAR 0x40000000 92 93 #undef CFG_DISCOVER_PHY 94 #define CFG_ENET_BD_BASE 0x380000 95 96 /*----------------------------------------------------------------------- 97 * Definitions for initial stack pointer and data area (in DPRAM) 98 */ 99 #define CFG_INIT_RAM_ADDR 0x20000000 100 #define CFG_INIT_RAM_END 0x10000 /* End of used area in internal SRAM */ 101 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ 102 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) 103 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET 104 105 /*----------------------------------------------------------------------- 106 * Start addresses for the final memory configuration 107 * (Set up by the startup code) 108 * Please note that CFG_SDRAM_BASE _must_ start at 0 109 */ 110 #define CFG_SDRAM_BASE 0x00000000 111 #define CFG_SDRAM_SIZE 4 /* SDRAM size in MB */ 112 #define CFG_FLASH_BASE 0xffe00000 113 #define CFG_INT_FLASH_BASE 0xf0000000 114 115 /* If M5282 port is fully implemented the monitor base will be behind 116 * the vector table. */ 117 /* #define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) */ 118 #define CFG_MONITOR_BASE 0x20000 119 120 #define CFG_MONITOR_LEN 0x20000 121 #define CFG_MALLOC_LEN (256 << 10) 122 #define CFG_BOOTPARAMS_LEN 64*1024 123 124 125 /* 126 * For booting Linux, the board info and command line data 127 * have to be in the first 8 MB of memory, since this is 128 * the maximum mapped by the Linux kernel during initialization ?? 129 */ 130 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 131 132 133 /*----------------------------------------------------------------------- 134 * FLASH organization 135 */ 136 #define CFG_MAX_FLASH_SECT 35 137 #define CFG_MAX_FLASH_BANKS 1 138 #define CFG_FLASH_ERASE_TOUT 10000000 139 140 /*----------------------------------------------------------------------- 141 * Cache Configuration 142 */ 143 #define CFG_CACHELINE_SIZE 16 144 145 146 /*----------------------------------------------------------------------- 147 * Memory bank definitions 148 */ 149 150 151 /*----------------------------------------------------------------------- 152 * Port configuration 153 */ 154 155 156 #endif /* _CONFIG_M5282EVB_H */ 157