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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 | /* * (C) Copyright 2000, 2001 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Modified by Udi Finkelstein udif@udif.com * For the RBC823 board. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* * board/config.h - configuration options, board specific */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC823 1 /* This is a MPC823 CPU */ #define CONFIG_RBC823 1 /* ...on a RBC823 module */ #if 0 #define DEBUG 1 #define CONFIG_LAST_STAGE_INIT #endif #define CONFIG_KEYBOARD 1 /* This board has a custom keybpard */ #define CONFIG_LCD 1 /* use LCD controller ... */ #define CONFIG_HITACHI_SP19X001_Z1A /* The LCD type we use */ #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */ #undef CONFIG_8xx_CONS_SMC1 #undef CONFIG_8xx_CONS_NONE #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ #if 1 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ #define CONFIG_8xx_GCLK_FREQ 48000000L #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" #undef CONFIG_BOOTARGS #define CONFIG_BOOTCOMMAND \ "bootp; " \ "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ "bootm" #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_STATUS_LED 1 /* Status LED enabled */ #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ /* * BOOTP options */ #define CONFIG_BOOTP_SUBNETMASK #define CONFIG_BOOTP_GATEWAY #define CONFIG_BOOTP_HOSTNAME #define CONFIG_BOOTP_BOOTPATH #define CONFIG_BOOTP_BOOTFILESIZE #undef CONFIG_MAC_PARTITION #define CONFIG_DOS_PARTITION #undef CONFIG_RTC_MPC8xx /* don't use internal RTC of MPC8xx (no battery) */ #define CONFIG_HARD_I2C #define CFG_I2C_SPEED 40000 #define CFG_I2C_SLAVE 0xfe #define CFG_I2C_EEPROM_ADDR 0x50 #define CFG_I2C_EEPROM_ADDR_LEN 1 #define CFG_EEPROM_WRITE_BITS 4 #define CFG_EEPROM_WRITE_DELAY_MS 10 /* * Command line configuration. */ #include <config_cmd_default.h> #define CONFIG_CMD_ASKENV #define CONFIG_CMD_BEDBUG #define CONFIG_CMD_BMP #define CONFIG_CMD_CACHE #define CONFIG_CMD_CDP #define CONFIG_CMD_DHCP #define CONFIG_CMD_DIAG #define CONFIG_CMD_DOC #define CONFIG_CMD_EEPROM #define CONFIG_CMD_ELF #define CONFIG_CMD_FAT #define CONFIG_CMD_I2C #define CONFIG_CMD_IMMAP #define CONFIG_CMD_KGDB #define CONFIG_CMD_PING #define CONFIG_CMD_PORTIO #define CONFIG_CMD_REGINFO #define CONFIG_CMD_SAVES #define CONFIG_CMD_SDRAM #undef CONFIG_CMD_SETGETDCR #undef CONFIG_CMD_XIMG /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=> " /* Monitor Command Prompt */ #if defined(CONFIG_CMD_KGDB) #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ #else #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #endif #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ #define CFG_MAXARGS 16 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ #define CFG_LOAD_ADDR 0x0100000 /* default load address */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ /*----------------------------------------------------------------------- * Internal Memory Mapped Register */ #define CFG_IMMR 0xFF000000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR CFG_IMMR #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CFG_SDRAM_BASE _must_ start at 0 */ #define CFG_SDRAM_BASE 0x00000000 #define CFG_FLASH_BASE 0xFFF00000 #if defined(DEBUG) #define CFG_MONITOR_LEN (384 << 10) /* Reserve 256 kB for Monitor */ #else #define CFG_MONITOR_LEN (384 << 10) /* Reserve 192 kB for Monitor */ #endif #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ /* * For booting Linux, the board info and command line data * have to be in the first 8 MB of memory, since this is * the maximum mapped by the Linux kernel during initialization. */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * FLASH organization */ #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */ #define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */ /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #if defined(CONFIG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ #endif /*----------------------------------------------------------------------- * SYPCR - System Protection Control 11-9 * SYPCR can only be written once after reset! *----------------------------------------------------------------------- * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze */ #if defined(CONFIG_WATCHDOG) #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) #else /* #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) */ #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWRI | SYPCR_SWP) #endif /*----------------------------------------------------------------------- * SIUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_FRC) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) /*----------------------------------------------------------------------- * RTCSC - Real-Time Clock Status and Control Register 11-27 *----------------------------------------------------------------------- */ #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CFG_PISCR (PISCR_PS | PISCR_PITF) /*----------------------------------------------------------------------- * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 *----------------------------------------------------------------------- * Reset PLL lock status sticky bit, timer expired status bit and timer * interrupt status bit * */ /* * for 48 MHz, we use a 4 MHz clock * 12 */ #define CFG_PLPRCR \ ( (12-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_LOLRE ) /*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register 15-27 *----------------------------------------------------------------------- * Set clock output, timebase and RTC source and divider, * power management and some other internal clocks */ #define SCCR_MASK SCCR_EBDF11 #define CFG_SCCR (SCCR_RTDIV | SCCR_RTSEL | SCCR_CRQEN | \ SCCR_PRQEN | SCCR_EBDF00 | \ SCCR_COM01 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD001 | \ SCCR_DFALCD00) #ifdef NOT_USED /*----------------------------------------------------------------------- * PCMCIA stuff *----------------------------------------------------------------------- * */ #define CFG_PCMCIA_MEM_ADDR (0xE0000000) #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) #define CFG_PCMCIA_DMA_ADDR (0xE4000000) #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) #define CFG_PCMCIA_IO_ADDR (0xEC000000) #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) /*----------------------------------------------------------------------- * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) *----------------------------------------------------------------------- */ #define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */ #undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */ #undef CONFIG_IDE_LED /* LED for ide not supported */ #undef CONFIG_IDE_RESET /* reset for ide not supported */ #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ #define CFG_ATA_IDE0_OFFSET 0x0000 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR /* Offset for data I/O */ #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) /* Offset for normal register accesses */ #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) /* Offset for alternate registers */ #define CFG_ATA_ALT_OFFSET 0x0100 #endif /************************************************************ * Disk-On-Chip configuration ************************************************************/ #define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */ #define CFG_DOC_SHORT_TIMEOUT #define CFG_DOC_SUPPORT_2000 #define CFG_DOC_SUPPORT_MILLENNIUM /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ /*#define CFG_DER 0x2002000F*/ #define CFG_DER 0 /* * Init Memory Controller: * * BR0/1 and OR0/1 (FLASH) */ #define FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank #0 */ #define FLASH_BASE1_PRELIM 0x04000000 /* D.O.C Millenium */ /* used to re-map FLASH both when starting from SRAM or FLASH: * restrict access enough to keep SRAM working (if any) * but not too much to meddle with FLASH accesses */ #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */ /* FLASH timing: ACS = 00, TRLX = 0, CSNT = 1, SCY = 7, EHTR = 1 */ #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_BI | OR_SCY_7_CLK | OR_EHTR) #define CFG_OR_TIMING_MSYS (OR_ACS_DIV1 | OR_BI) #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V) #define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_MSYS) #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | \ BR_PS_8 | BR_V) /* * BR4 and OR4 (SDRAM) * */ #define SDRAM_BASE4_PRELIM 0x00000000 /* SDRAM bank #0 */ #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ /* * SDRAM timing: */ #define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM) #define CFG_OR4_PRELIM (~(SDRAM_MAX_SIZE-1) | CFG_OR_TIMING_SDRAM ) #define CFG_BR4_PRELIM ((SDRAM_BASE4_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) /* * Memory Periodic Timer Prescaler */ /* periodic timer for refresh */ #define CFG_MAMR_PTA 187 /* start with divider for 48 MHz */ /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ /* * MAMR settings for SDRAM */ /* 8 column SDRAM */ #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) /* 9 column SDRAM */ #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ /* * JFFS2 partitions * */ /* No command line, one static partition, whole device */ #undef CONFIG_JFFS2_CMDLINE #define CONFIG_JFFS2_DEV "nor0" #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF #define CONFIG_JFFS2_PART_OFFSET 0x00000000 /* mtdparts command line support */ /* Note: fake mtd_id used, no linux mtd map file */ /* #define CONFIG_JFFS2_CMDLINE #define MTDIDS_DEFAULT "" #define MTDPARTS_DEFAULT "" */ #endif /* __CONFIG_H */ |