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 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL & ~(CFG_CMD_LOADS | CFG_CMD_LOADB) ) 55 56 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ 57 #include <cmd_confdefs.h> 58 #define CONFIG_BOOTDELAY 5 59 60 #define CFG_PROMPT "-> " 61 #define CFG_LONGHELP /* undef to save memory */ 62 63 #if (CONFIG_COMMANDS & CFG_CMD_KGDB) 64 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ 65 #else 66 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ 67 #endif 68 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ 69 #define CFG_MAXARGS 16 /* max number of command args */ 70 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ 71 72 #define CFG_LOAD_ADDR 0x20000 73 74 #define CFG_MEMTEST_START 0x400 75 #define CFG_MEMTEST_END 0x380000 76 77 #define CFG_HZ 1000000 78 #define CFG_CLK 64000000 79 80 81 /* 82 * Low Level Configuration Settings 83 * (address mappings, register initial values, etc.) 84 * You should know what you are doing if you make changes here. 85 */ 86 #define CFG_MBAR 0x40000000 87 88 #undef CFG_DISCOVER_PHY 89 #define CFG_ENET_BD_BASE 0x380000 90 91 /*----------------------------------------------------------------------- 92 * Definitions for initial stack pointer and data area (in DPRAM) 93 */ 94 #define CFG_INIT_RAM_ADDR 0x20000000 95 #define CFG_INIT_RAM_END 0x10000 /* End of used area in internal SRAM */ 96 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ 97 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) 98 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET 99 100 /*----------------------------------------------------------------------- 101 * Start addresses for the final memory configuration 102 * (Set up by the startup code) 103 * Please note that CFG_SDRAM_BASE _must_ start at 0 104 */ 105 #define CFG_SDRAM_BASE 0x00000000 106 #define CFG_SDRAM_SIZE 4 /* SDRAM size in MB */ 107 #define CFG_FLASH_BASE 0xffe00000 108 #define CFG_INT_FLASH_BASE 0xf0000000 109 110 /* If M5282 port is fully implemented the monitor base will be behind 111 * the vector table. */ 112 /* #define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) */ 113 #define CFG_MONITOR_BASE 0x20000 114 115 #define CFG_MONITOR_LEN 0x20000 116 #define CFG_MALLOC_LEN (256 << 10) 117 #define CFG_BOOTPARAMS_LEN 64*1024 118 119 120 /* 121 * For booting Linux, the board info and command line data 122 * have to be in the first 8 MB of memory, since this is 123 * the maximum mapped by the Linux kernel during initialization ?? 124 */ 125 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 126 127 128 /*----------------------------------------------------------------------- 129 * FLASH organization 130 */ 131 #define CFG_MAX_FLASH_SECT 35 132 #define CFG_MAX_FLASH_BANKS 1 133 #define CFG_FLASH_ERASE_TOUT 10000000 134 135 /*----------------------------------------------------------------------- 136 * Cache Configuration 137 */ 138 #define CFG_CACHELINE_SIZE 16 139 140 141 /*----------------------------------------------------------------------- 142 * Memory bank definitions 143 */ 144 145 146 /*----------------------------------------------------------------------- 147 * Port configuration 148 */ 149 150 151 #endif /* _CONFIG_M5282EVB_H */ 152