1 /* 2 * Configuation settings for the Sentec Cobra Board. 3 * 4 * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 /* --- 10 * Version: U-Boot 1.0.0 - initial release for Sentec COBRA5272 board 11 * Date: 2004-03-29 12 * Author: Florian Schlote 13 * 14 * For a description of configuration options please refer also to the 15 * general u-boot-1.x.x/README file 16 * --- 17 */ 18 19 /* --- 20 * board/config.h - configuration options, board specific 21 * --- 22 */ 23 24 #ifndef _CONFIG_COBRA5272_H 25 #define _CONFIG_COBRA5272_H 26 27 /* --- 28 * Defines processor clock - important for correct timings concerning serial 29 * interface etc. 30 * --- 31 */ 32 33 #define CONFIG_SYS_CLK 66000000 34 #define CONFIG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */ 35 36 /* --- 37 * Enable use of Ethernet 38 * --- 39 */ 40 #define CONFIG_MCFFEC 41 42 /* Enable Dma Timer */ 43 #define CONFIG_MCFTMR 44 45 /* --- 46 * Define baudrate for UART1 (console output, tftp, ...) 47 * default value of CONFIG_BAUDRATE for Sentec board: 19200 baud 48 * CONFIG_SYS_BAUDRATE_TABLE defines values that can be selected in u-boot command 49 * interface 50 * --- 51 */ 52 53 #define CONFIG_MCFUART 54 #define CONFIG_SYS_UART_PORT (0) 55 56 /* --- 57 * set "#if 0" to "#if 1" if (Hardware)-WATCHDOG should be enabled & change 58 * timeout acc. to your needs 59 * #define CONFIG_WATCHDOG_TIMEOUT x , x is timeout in milliseconds, e. g. 10000 60 * for 10 sec 61 * --- 62 */ 63 64 #if 0 65 #define CONFIG_WATCHDOG 66 #define CONFIG_WATCHDOG_TIMEOUT 10000 /* timeout in milliseconds */ 67 #endif 68 69 /* --- 70 * CONFIG_MONITOR_IS_IN_RAM defines if u-boot is started from a different 71 * bootloader residing in flash ('chainloading'); if you want to use 72 * chainloading or want to compile a u-boot binary that can be loaded into 73 * RAM via BDM set 74 * "#if 0" to "#if 1" 75 * You will need a first stage bootloader then, e. g. colilo or a working BDM 76 * cable (Background Debug Mode) 77 * 78 * Setting #if 0: u-boot will start from flash and relocate itself to RAM 79 * 80 * Please do not forget to modify the setting of CONFIG_SYS_TEXT_BASE 81 * in board/cobra5272/config.mk accordingly (#if 0: 0xffe00000; #if 1: 0x20000) 82 * 83 * --- 84 */ 85 86 #if 0 87 #define CONFIG_MONITOR_IS_IN_RAM /* monitor is started from a preloader */ 88 #endif 89 90 /* --- 91 * Configuration for environment 92 * Environment is embedded in u-boot in the second sector of the flash 93 * --- 94 */ 95 96 #ifndef CONFIG_MONITOR_IS_IN_RAM 97 #define CONFIG_ENV_OFFSET 0x4000 98 #define CONFIG_ENV_SECT_SIZE 0x2000 99 #else 100 #define CONFIG_ENV_ADDR 0xffe04000 101 #define CONFIG_ENV_SECT_SIZE 0x2000 102 #endif 103 104 #define LDS_BOARD_TEXT \ 105 . = DEFINED(env_offset) ? env_offset : .; \ 106 common/env_embedded.o (.text); 107 108 /* 109 * BOOTP options 110 */ 111 #define CONFIG_BOOTP_BOOTFILESIZE 112 #define CONFIG_BOOTP_BOOTPATH 113 #define CONFIG_BOOTP_GATEWAY 114 #define CONFIG_BOOTP_HOSTNAME 115 116 /* 117 * Command line configuration. 118 */ 119 120 #ifdef CONFIG_MCFFEC 121 # define CONFIG_MII 1 122 # define CONFIG_MII_INIT 1 123 # define CONFIG_SYS_DISCOVER_PHY 124 # define CONFIG_SYS_RX_ETH_BUFFER 8 125 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 126 127 # define CONFIG_SYS_FEC0_PINMUX 0 128 # define CONFIG_SYS_FEC0_MIIBASE CONFIG_SYS_FEC0_IOBASE 129 # define MCFFEC_TOUT_LOOP 50000 130 /* If CONFIG_SYS_DISCOVER_PHY is not defined - hardcoded */ 131 # ifndef CONFIG_SYS_DISCOVER_PHY 132 # define FECDUPLEX FULL 133 # define FECSPEED _100BASET 134 # else 135 # ifndef CONFIG_SYS_FAULT_ECHO_LINK_DOWN 136 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 137 # endif 138 # endif /* CONFIG_SYS_DISCOVER_PHY */ 139 #endif 140 141 /* 142 *----------------------------------------------------------------------------- 143 * Define user parameters that have to be customized most likely 144 *----------------------------------------------------------------------------- 145 */ 146 147 /*AUTOBOOT settings - booting images automatically by u-boot after power on*/ 148 149 /* The following settings will be contained in the environment block ; if you 150 want to use a neutral environment all those settings can be manually set in 151 u-boot: 'set' command */ 152 153 #if 0 154 155 #define CONFIG_BOOTCOMMAND "bootm 0xffe80000" /*Autoboto command, please 156 enter a valid image address in flash */ 157 158 #define CONFIG_BOOTARGS " " /* default bootargs that are 159 considered during boot */ 160 161 /* User network settings */ 162 163 #define CONFIG_IPADDR 192.168.100.2 /* default board IP address */ 164 #define CONFIG_SERVERIP 192.168.100.1 /* default tftp server IP address */ 165 166 #endif 167 168 #define CONFIG_SYS_LOAD_ADDR 0x20000 /*Defines default RAM address 169 from which user programs will be started */ 170 171 /*---*/ 172 173 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 174 175 #if defined(CONFIG_CMD_KGDB) 176 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 177 #else 178 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 179 #endif 180 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ 181 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 182 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ 183 184 /* 185 *----------------------------------------------------------------------------- 186 * End of user parameters to be customized 187 *----------------------------------------------------------------------------- 188 */ 189 190 /* --- 191 * Defines memory range for test 192 * --- 193 */ 194 195 #define CONFIG_SYS_MEMTEST_START 0x400 196 #define CONFIG_SYS_MEMTEST_END 0x380000 197 198 /* --- 199 * Low Level Configuration Settings 200 * (address mappings, register initial values, etc.) 201 * You should know what you are doing if you make changes here. 202 * --- 203 */ 204 205 /* --- 206 * Base register address 207 * --- 208 */ 209 210 #define CONFIG_SYS_MBAR 0x10000000 /* Register Base Addrs */ 211 212 /* --- 213 * System Conf. Reg. & System Protection Reg. 214 * --- 215 */ 216 217 #define CONFIG_SYS_SCR 0x0003 218 #define CONFIG_SYS_SPR 0xffff 219 220 /* --- 221 * Ethernet settings 222 * --- 223 */ 224 225 #define CONFIG_SYS_DISCOVER_PHY 226 #define CONFIG_SYS_ENET_BD_BASE 0x780000 227 228 /*----------------------------------------------------------------------- 229 * Definitions for initial stack pointer and data area (in internal SRAM) 230 */ 231 #define CONFIG_SYS_INIT_RAM_ADDR 0x20000000 232 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in internal SRAM */ 233 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 234 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET 235 236 /*----------------------------------------------------------------------- 237 * Start addresses for the final memory configuration 238 * (Set up by the startup code) 239 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 240 */ 241 #define CONFIG_SYS_SDRAM_BASE 0x00000000 242 243 /* 244 *------------------------------------------------------------------------- 245 * RAM SIZE (is defined above) 246 *----------------------------------------------------------------------- 247 */ 248 249 /* #define CONFIG_SYS_SDRAM_SIZE 16 */ 250 251 /* 252 *----------------------------------------------------------------------- 253 */ 254 255 #define CONFIG_SYS_FLASH_BASE 0xffe00000 256 257 #ifdef CONFIG_MONITOR_IS_IN_RAM 258 #define CONFIG_SYS_MONITOR_BASE 0x20000 259 #else 260 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400) 261 #endif 262 263 #define CONFIG_SYS_MONITOR_LEN 0x20000 264 #define CONFIG_SYS_MALLOC_LEN (256 << 10) 265 #define CONFIG_SYS_BOOTPARAMS_LEN 64*1024 266 267 /* 268 * For booting Linux, the board info and command line data 269 * have to be in the first 8 MB of memory, since this is 270 * the maximum mapped by the Linux kernel during initialization ?? 271 */ 272 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 273 274 /*----------------------------------------------------------------------- 275 * FLASH organization 276 */ 277 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ 278 #define CONFIG_SYS_MAX_FLASH_SECT 11 /* max number of sectors on one chip */ 279 #define CONFIG_SYS_FLASH_ERASE_TOUT 1000 /* flash timeout */ 280 281 /*----------------------------------------------------------------------- 282 * Cache Configuration 283 */ 284 #define CONFIG_SYS_CACHELINE_SIZE 16 285 286 #define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \ 287 CONFIG_SYS_INIT_RAM_SIZE - 8) 288 #define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \ 289 CONFIG_SYS_INIT_RAM_SIZE - 4) 290 #define CONFIG_SYS_ICACHE_INV (CF_CACR_CINV | CF_CACR_INVI) 291 #define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_SDRAM_BASE | \ 292 CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ 293 CF_ACR_EN | CF_ACR_SM_ALL) 294 #define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CINV | \ 295 CF_CACR_DISD | CF_CACR_INVI | \ 296 CF_CACR_CEIB | CF_CACR_DCM | \ 297 CF_CACR_EUSP) 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 CONFIG_SYS_BR0_PRELIM 0xFFE00201 306 #define CONFIG_SYS_OR0_PRELIM 0xFFE00014 307 308 #define CONFIG_SYS_BR1_PRELIM 0 309 #define CONFIG_SYS_OR1_PRELIM 0 310 311 #define CONFIG_SYS_BR2_PRELIM 0 312 #define CONFIG_SYS_OR2_PRELIM 0 313 314 #define CONFIG_SYS_BR3_PRELIM 0 315 #define CONFIG_SYS_OR3_PRELIM 0 316 317 #define CONFIG_SYS_BR4_PRELIM 0 318 #define CONFIG_SYS_OR4_PRELIM 0 319 320 #define CONFIG_SYS_BR5_PRELIM 0 321 #define CONFIG_SYS_OR5_PRELIM 0 322 323 #define CONFIG_SYS_BR6_PRELIM 0 324 #define CONFIG_SYS_OR6_PRELIM 0 325 326 #define CONFIG_SYS_BR7_PRELIM 0x00000701 327 #define CONFIG_SYS_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 CONFIG_SYS_PACNT 0x00000000 /* PortA control reg.: All pins are external 345 GPIO*/ 346 #define CONFIG_SYS_PADDR 0x00FF /* PortA direction reg.: PA7 to PA0 are outputs 347 (1^=output, 0^=input) */ 348 #define CONFIG_SYS_PADAT LED_STAT_0 /* PortA value reg.: Turn all LED off */ 349 #define CONFIG_SYS_PBCNT 0x55554155 /* PortB control reg.: Ethernet/UART 350 configuration */ 351 #define CONFIG_SYS_PBDDR 0x0000 /* PortB direction: All pins configured as inputs */ 352 #define CONFIG_SYS_PBDAT 0x0000 /* PortB value reg. */ 353 #define CONFIG_SYS_PDCNT 0x00000000 /* PortD control reg. */ 354 355 #endif /* _CONFIG_COBRA5272_H */ 356