1 /* 2 * Configuation settings for the Sentec Cobra 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 * Version: U-boot 1.0.0 - initial release for Sentec COBRA5272 board 27 * Date: 2004-03-29 28 * Author: Florian Schlote 29 * 30 * For a description of configuration options please refer also to the 31 * general u-boot-1.x.x/README file 32 * --- 33 */ 34 35 /* --- 36 * board/config.h - configuration options, board specific 37 * --- 38 */ 39 40 #ifndef _CONFIG_COBRA5272_H 41 #define _CONFIG_COBRA5272_H 42 43 /* --- 44 * Define processor 45 * possible values for Sentec board: only Coldfire M5272 processor supported 46 * (please do not change) 47 * --- 48 */ 49 50 #define CONFIG_MCF52x2 /* define processor family */ 51 #define CONFIG_M5272 /* define processor type */ 52 53 /* --- 54 * Defines processor clock - important for correct timings concerning serial 55 * interface etc. 56 * CFG_HZ gives unit: 1000 -> 1 Hz ^= 1000 ms 57 * --- 58 */ 59 60 #define CFG_HZ 1000 61 #define CFG_CLK 66000000 62 #define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */ 63 64 /* --- 65 * Enable use of Ethernet 66 * --- 67 */ 68 69 #define FEC_ENET 70 71 /* --- 72 * Define baudrate for UART1 (console output, tftp, ...) 73 * default value of CONFIG_BAUDRATE for Sentec board: 19200 baud 74 * CFG_BAUDRATE_TABLE defines values that can be selected in u-boot command 75 * interface 76 * --- 77 */ 78 79 #define CONFIG_BAUDRATE 19200 80 #define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } 81 82 /* --- 83 * set "#if 0" to "#if 1" if (Hardware)-WATCHDOG should be enabled & change 84 * timeout acc. to your needs 85 * #define CONFIG_WATCHDOG_TIMEOUT x , x is timeout in milliseconds, e. g. 10000 86 * for 10 sec 87 * --- 88 */ 89 90 #if 0 91 #define CONFIG_WATCHDOG 92 #define CONFIG_WATCHDOG_TIMEOUT 10000 /* timeout in milliseconds */ 93 #endif 94 95 /* --- 96 * CONFIG_MONITOR_IS_IN_RAM defines if u-boot is started from a different 97 * bootloader residing in flash ('chainloading'); if you want to use 98 * chainloading or want to compile a u-boot binary that can be loaded into 99 * RAM via BDM set 100 * "#if 0" to "#if 1" 101 * You will need a first stage bootloader then, e. g. colilo or a working BDM 102 * cable (Background Debug Mode) 103 * 104 * Setting #if 0: u-boot will start from flash and relocate itself to RAM 105 * 106 * Please do not forget to modify the setting of TEXT_BASE 107 * in board/cobra5272/config.mk accordingly (#if 0: 0xffe00000; #if 1: 0x20000) 108 * 109 * --- 110 */ 111 112 #if 0 113 #define CONFIG_MONITOR_IS_IN_RAM /* monitor is started from a preloader */ 114 #endif 115 116 /* --- 117 * Configuration for environment 118 * Environment is embedded in u-boot in the second sector of the flash 119 * --- 120 */ 121 122 #ifndef CONFIG_MONITOR_IS_IN_RAM 123 #define CFG_ENV_OFFSET 0x4000 124 #define CFG_ENV_SECT_SIZE 0x2000 125 #define CFG_ENV_IS_IN_FLASH 1 126 #define CFG_ENV_IS_EMBEDDED 1 127 #else 128 #define CFG_ENV_ADDR 0xffe04000 129 #define CFG_ENV_SECT_SIZE 0x2000 130 #define CFG_ENV_IS_IN_FLASH 1 131 #endif 132 133 /* --- 134 * Define which commmands should be available at u-boot command prompt 135 * --- 136 */ 137 138 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | CFG_CMD_PING & ~(CFG_CMD_LOADS | \ 139 CFG_CMD_LOADB) | CFG_CMD_MII) 140 141 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ 142 #include <cmd_confdefs.h> 143 144 /* 145 *----------------------------------------------------------------------------- 146 * Define user parameters that have to be customized most likely 147 *----------------------------------------------------------------------------- 148 */ 149 150 /*AUTOBOOT settings - booting images automatically by u-boot after power on*/ 151 152 #define CONFIG_BOOTDELAY 5 /* used for autoboot, delay in 153 seconds u-boot will wait before starting defined (auto-)boot command, setting 154 to -1 disables delay, setting to 0 will too prevent access to u-boot command 155 interface: u-boot then has to reflashed */ 156 157 158 /* The following settings will be contained in the environment block ; if you 159 want to use a neutral environment all those settings can be manually set in 160 u-boot: 'set' command */ 161 162 #if 0 163 164 #define CONFIG_BOOTCOMMAND "bootm 0xffe80000" /*Autoboto command, please 165 enter a valid image address in flash */ 166 167 #define CONFIG_BOOTARGS " " /* default bootargs that are 168 considered during boot */ 169 170 /* User network settings */ 171 172 #define CONFIG_ETHADDR 00:00:00:00:00:09 /* default ethernet MAC addr. */ 173 #define CONFIG_IPADDR 192.168.100.2 /* default board IP address */ 174 #define CONFIG_SERVERIP 192.168.100.1 /* default tftp server IP address */ 175 176 #endif 177 178 #define CFG_PROMPT "COBRA > " /* Layout of u-boot prompt*/ 179 180 #define CFG_LOAD_ADDR 0x20000 /*Defines default RAM address 181 from which user programs will be started */ 182 183 /*---*/ 184 185 #define CFG_LONGHELP /* undef to save memory */ 186 187 #if (CONFIG_COMMANDS & CFG_CMD_KGDB) 188 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ 189 #else 190 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ 191 #endif 192 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ 193 #define CFG_MAXARGS 16 /* max number of command args */ 194 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ 195 196 /* 197 *----------------------------------------------------------------------------- 198 * End of user parameters to be customized 199 *----------------------------------------------------------------------------- 200 */ 201 202 /* --- 203 * Defines memory range for test 204 * --- 205 */ 206 207 #define CFG_MEMTEST_START 0x400 208 #define CFG_MEMTEST_END 0x380000 209 210 /* --- 211 * Low Level Configuration Settings 212 * (address mappings, register initial values, etc.) 213 * You should know what you are doing if you make changes here. 214 * --- 215 */ 216 217 /* --- 218 * Base register address 219 * --- 220 */ 221 222 #define CFG_MBAR 0x10000000 /* Register Base Addrs */ 223 224 /* --- 225 * System Conf. Reg. & System Protection Reg. 226 * --- 227 */ 228 229 #define CFG_SCR 0x0003; 230 #define CFG_SPR 0xffff; 231 232 /* --- 233 * Ethernet settings 234 * --- 235 */ 236 237 #define CFG_DISCOVER_PHY 238 #define CFG_ENET_BD_BASE 0x780000 239 240 /*----------------------------------------------------------------------- 241 * Definitions for initial stack pointer and data area (in internal SRAM) 242 */ 243 #define CFG_INIT_RAM_ADDR 0x20000000 244 #define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */ 245 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ 246 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) 247 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET 248 249 /*----------------------------------------------------------------------- 250 * Start addresses for the final memory configuration 251 * (Set up by the startup code) 252 * Please note that CFG_SDRAM_BASE _must_ start at 0 253 */ 254 #define CFG_SDRAM_BASE 0x00000000 255 256 /* 257 *------------------------------------------------------------------------- 258 * RAM SIZE (is defined above) 259 *----------------------------------------------------------------------- 260 */ 261 262 /* #define CFG_SDRAM_SIZE 16 */ 263 264 /* 265 *----------------------------------------------------------------------- 266 */ 267 268 #define CFG_FLASH_BASE 0xffe00000 269 270 #ifdef CONFIG_MONITOR_IS_IN_RAM 271 #define CFG_MONITOR_BASE 0x20000 272 #else 273 #define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400) 274 #endif 275 276 #define CFG_MONITOR_LEN 0x20000 277 #define CFG_MALLOC_LEN (256 << 10) 278 #define CFG_BOOTPARAMS_LEN 64*1024 279 280 /* 281 * For booting Linux, the board info and command line data 282 * have to be in the first 8 MB of memory, since this is 283 * the maximum mapped by the Linux kernel during initialization ?? 284 */ 285 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 286 287 /*----------------------------------------------------------------------- 288 * FLASH organization 289 */ 290 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ 291 #define CFG_MAX_FLASH_SECT 11 /* max number of sectors on one chip */ 292 #define CFG_FLASH_ERASE_TOUT 1000 /* flash timeout */ 293 294 /*----------------------------------------------------------------------- 295 * Cache Configuration 296 */ 297 #define CFG_CACHELINE_SIZE 16 298 299 /*----------------------------------------------------------------------- 300 * Memory bank definitions 301 * 302 * Please refer also to Motorola Coldfire user manual - Chapter XXX 303 * <http://e-www.motorola.com/files/dsp/doc/ref_manual/MCF5272UM.pdf> 304 */ 305 #define CFG_BR0_PRELIM 0xFFE00201 306 #define CFG_OR0_PRELIM 0xFFE00014 307 308 #define CFG_BR1_PRELIM 0 309 #define CFG_OR1_PRELIM 0 310 311 #define CFG_BR2_PRELIM 0 312 #define CFG_OR2_PRELIM 0 313 314 #define CFG_BR3_PRELIM 0 315 #define CFG_OR3_PRELIM 0 316 317 #define CFG_BR4_PRELIM 0 318 #define CFG_OR4_PRELIM 0 319 320 #define CFG_BR5_PRELIM 0 321 #define CFG_OR5_PRELIM 0 322 323 #define CFG_BR6_PRELIM 0 324 #define CFG_OR6_PRELIM 0 325 326 #define CFG_BR7_PRELIM 0x00000701 327 #define CFG_OR7_PRELIM 0xFF00007C 328 329 /*----------------------------------------------------------------------- 330 * LED config 331 */ 332 #define LED_STAT_0 0xffff /*all LEDs off*/ 333 #define LED_STAT_1 0xfffe 334 #define LED_STAT_2 0xfffd 335 #define LED_STAT_3 0xfffb 336 #define LED_STAT_4 0xfff7 337 #define LED_STAT_5 0xffef 338 #define LED_STAT_6 0xffdf 339 #define LED_STAT_7 0xff00 /*all LEDs on*/ 340 341 /*----------------------------------------------------------------------- 342 * Port configuration (GPIO) 343 */ 344 #define CFG_PACNT 0x00000000 /* PortA control reg.: All pins are external 345 GPIO*/ 346 #define CFG_PADDR 0x00FF /* PortA direction reg.: PA7 to PA0 are outputs 347 (1^=output, 0^=input) */ 348 #define CFG_PADAT LED_STAT_0 /* PortA value reg.: Turn all LED off */ 349 #define CFG_PBCNT 0x55554155 /* PortB control reg.: Ethernet/UART 350 configuration */ 351 #define CFG_PBDDR 0x0000 /* PortB direction: All pins configured as inputs */ 352 #define CFG_PBDAT 0x0000 /* PortB value reg. */ 353 #define CFG_PDCNT 0x00000000 /* PortD control reg. */ 354 355 #endif /* _CONFIG_COBRA5272_H */ 356