projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| fe8c2806 WD |
1 | /* |
| 2 | * (C) Copyright 2000 | |
| 3 | * Murray Jensen <Murray.Jensen@cmst.csiro.au> | |
| 4 | * | |
| 5 | * (C) Copyright 2000 | |
| 6 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
| 7 | * Marius Groeger <mgroeger@sysgo.de> | |
| 8 | * | |
| 9 | * (C) Copyright 2001 | |
| 10 | * Advent Networks, Inc. <http://www.adventnetworks.com> | |
| 11 | * Jay Monkman <jmonkman@adventnetworks.com> | |
| 12 | * | |
| 13 | * (C) Copyright 2001 | |
| 14 | * Advent Networks, Inc. <http://www.adventnetworks.com> | |
| 15 | * Oliver Brown <obrown@adventnetworks.com> | |
| 16 | * | |
| 17 | * See file CREDITS for list of people who contributed to this | |
| 18 | * project. | |
| 19 | * | |
| 20 | * This program is free software; you can redistribute it and/or | |
| 21 | * modify it under the terms of the GNU General Public License as | |
| 22 | * published by the Free Software Foundation; either version 2 of | |
| 23 | * the License, or (at your option) any later version. | |
| 24 | * | |
| 25 | * This program is distributed in the hope that it will be useful, | |
| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 28 | * GNU General Public License for more details. | |
| 29 | * | |
| 30 | * You should have received a copy of the GNU General Public License | |
| 31 | * along with this program; if not, write to the Free Software | |
| 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 33 | * MA 02111-1307 USA | |
| 34 | */ | |
| 35 | ||
| 36 | /*********************************************************************/ | |
| 37 | /* DESCRIPTION: | |
| 38 | * This file contains the board configuartion for the GW8260 board. | |
| 39 | * | |
| 40 | * MODULE DEPENDENCY: | |
| 41 | * None | |
| 42 | * | |
| 43 | * RESTRICTIONS/LIMITATIONS: | |
| 44 | * None | |
| 45 | * | |
| 46 | * Copyright (c) 2001, Advent Networks, Inc. | |
| 47 | */ | |
| 48 | /*********************************************************************/ | |
| 49 | ||
| 50 | #ifndef __CONFIG_H | |
| 51 | #define __CONFIG_H | |
| 52 | ||
| 53 | /* Enable debug prints */ | |
| fe8c2806 WD |
54 | #undef DEBUG_BOOTP_EXT /* Debug received vendor fields */ |
| 55 | ||
| 56 | /* What is the oscillator's (UX2) frequency in Hz? */ | |
| 57 | #define CONFIG_8260_CLKIN (66 * 1000 * 1000) | |
| 58 | ||
| 59 | /*----------------------------------------------------------------------- | |
| 60 | * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual | |
| 61 | *----------------------------------------------------------------------- | |
| 62 | * What should MODCK_H be? It is dependent on the oscillator | |
| 63 | * frequency, MODCK[1-3], and desired CPM and core frequencies. | |
| 64 | * Here are some example values (all frequencies are in MHz): | |
| 65 | * | |
| 66 | * MODCK_H MODCK[1-3] Osc CPM Core S2-6 S2-7 S2-8 | |
| 67 | * ------- ---------- --- --- ---- ----- ----- ----- | |
| 68 | * 0x5 0x5 66 133 133 Open Close Open | |
| 69 | * 0x5 0x6 66 133 166 Open Open Close | |
| 70 | * 0x5 0x7 66 133 200 Open Open Open | |
| 71 | * 0x6 0x0 66 133 233 Close Close Close | |
| 72 | * 0x6 0x1 66 133 266 Close Close Open | |
| 73 | * 0x6 0x2 66 133 300 Close Open Close | |
| 74 | */ | |
| 75 | #define CFG_SBC_MODCK_H 0x05 | |
| 76 | ||
| 77 | /* Define this if you want to boot from 0x00000100. If you don't define | |
| 78 | * this, you will need to program the bootloader to 0xfff00000, and | |
| 79 | * get the hardware reset config words at 0xfe000000. The simplest | |
| 80 | * way to do that is to program the bootloader at both addresses. | |
| 81 | * It is suggested that you just let U-Boot live at 0x00000000. | |
| 82 | */ | |
| 83 | #define CFG_SBC_BOOT_LOW 1 | |
| 84 | ||
| 85 | /* What should the base address of the main FLASH be and how big is | |
| 86 | * it (in MBytes)? This must contain TEXT_BASE from board/sbc8260/config.mk | |
| 87 | * The main FLASH is whichever is connected to *CS0. U-Boot expects | |
| 88 | * this to be the SIMM. | |
| 89 | */ | |
| 90 | #define CFG_FLASH0_BASE 0x40000000 | |
| 91 | #define CFG_FLASH0_SIZE 8 | |
| 92 | ||
| 93 | /* Define CFG_FLASH_CHECKSUM to enable flash checksum during boot. | |
| 94 | * Note: the 'flashchecksum' environment variable must also be set to 'y'. | |
| 95 | */ | |
| 96 | #define CFG_FLASH_CHECKSUM | |
| 97 | ||
| 98 | /* What should be the base address of SDRAM DIMM and how big is | |
| 99 | * it (in Mbytes)? | |
| 100 | */ | |
| 101 | #define CFG_SDRAM0_BASE 0x00000000 | |
| 102 | #define CFG_SDRAM0_SIZE 64 | |
| 103 | ||
| 104 | /* | |
| 105 | * DRAM tests | |
| 106 | * CFG_DRAM_TEST - enables the following tests. | |
| 107 | * | |
| 108 | * CFG_DRAM_TEST_DATA - Enables test for shorted or open data lines | |
| 109 | * Environment variable 'test_dram_data' must be | |
| 110 | * set to 'y'. | |
| 111 | * CFG_DRAM_TEST_DATA - Enables test to verify that each word is uniquely | |
| 112 | * addressable. Environment variable | |
| 113 | * 'test_dram_address' must be set to 'y'. | |
| 114 | * CFG_DRAM_TEST_WALK - Enables test a 64-bit walking ones pattern test. | |
| 115 | * This test takes about 6 minutes to test 64 MB. | |
| 116 | * Environment variable 'test_dram_walk' must be | |
| 117 | * set to 'y'. | |
| 118 | */ | |
| 119 | #define CFG_DRAM_TEST | |
| 120 | #if defined(CFG_DRAM_TEST) | |
| 121 | #define CFG_DRAM_TEST_DATA | |
| 122 | #define CFG_DRAM_TEST_ADDRESS | |
| 123 | #define CFG_DRAM_TEST_WALK | |
| 124 | #endif /* CFG_DRAM_TEST */ | |
| 125 | ||
| 126 | /* | |
| 127 | * GW8260 with 16 MB DIMM: | |
| 128 | * | |
| 129 | * 0x0000 0000 Exception Vector code, 8k | |
| 130 | * : | |
| 131 | * 0x0000 1FFF | |
| 132 | * 0x0000 2000 Free for Application Use | |
| 133 | * : | |
| 134 | * : | |
| 135 | * | |
| 136 | * : | |
| 137 | * : | |
| 138 | * 0x00F5 FF30 Monitor Stack (Growing downward) | |
| 139 | * Monitor Stack Buffer (0x80) | |
| 140 | * 0x00F5 FFB0 Board Info Data | |
| 141 | * 0x00F6 0000 Malloc Arena | |
| 142 | * : CFG_ENV_SECT_SIZE, 256k | |
| 143 | * : CFG_MALLOC_LEN, 128k | |
| 144 | * 0x00FC 0000 RAM Copy of Monitor Code | |
| 145 | * : CFG_MONITOR_LEN, 256k | |
| 146 | * 0x00FF FFFF [End of RAM], CFG_SDRAM_SIZE - 1 | |
| 147 | */ | |
| 148 | ||
| 149 | /* | |
| 150 | * GW8260 with 64 MB DIMM: | |
| 151 | * | |
| 152 | * 0x0000 0000 Exception Vector code, 8k | |
| 153 | * : | |
| 154 | * 0x0000 1FFF | |
| 155 | * 0x0000 2000 Free for Application Use | |
| 156 | * : | |
| 157 | * : | |
| 158 | * | |
| 159 | * : | |
| 160 | * : | |
| 161 | * 0x03F5 FF30 Monitor Stack (Growing downward) | |
| 162 | * Monitor Stack Buffer (0x80) | |
| 163 | * 0x03F5 FFB0 Board Info Data | |
| 164 | * 0x03F6 0000 Malloc Arena | |
| 165 | * : CFG_ENV_SECT_SIZE, 256k | |
| 166 | * : CFG_MALLOC_LEN, 128k | |
| 167 | * 0x03FC 0000 RAM Copy of Monitor Code | |
| 168 | * : CFG_MONITOR_LEN, 256k | |
| 169 | * 0x03FF FFFF [End of RAM], CFG_SDRAM_SIZE - 1 | |
| 170 | */ | |
| 171 | ||
| 172 | ||
| 173 | /* | |
| 174 | * select serial console configuration | |
| 175 | * | |
| 176 | * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then | |
| 177 | * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 | |
| 178 | * for SCC). | |
| 179 | * | |
| 180 | * if CONFIG_CONS_NONE is defined, then the serial console routines must | |
| 181 | * defined elsewhere. | |
| 182 | */ | |
| 183 | #define CONFIG_CONS_ON_SMC 1 /* define if console on SMC */ | |
| 184 | #undef CONFIG_CONS_ON_SCC /* define if console on SCC */ | |
| 185 | #undef CONFIG_CONS_NONE /* define if console on neither */ | |
| 186 | #define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */ | |
| 187 | ||
| 188 | /* | |
| 189 | * select ethernet configuration | |
| 190 | * | |
| 191 | * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then | |
| 192 | * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 | |
| 193 | * for FCC) | |
| 194 | * | |
| 195 | * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be | |
| 639221c7 | 196 | * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset. |
| fe8c2806 WD |
197 | */ |
| 198 | ||
| 199 | #undef CONFIG_ETHER_ON_SCC | |
| 200 | #define CONFIG_ETHER_ON_FCC | |
| 201 | #undef CONFIG_ETHER_NONE /* define if ethernet on neither */ | |
| 202 | ||
| 203 | #ifdef CONFIG_ETHER_ON_SCC | |
| 204 | #define CONFIG_ETHER_INDEX 1 /* which SCC/FCC channel for ethernet */ | |
| 205 | #endif /* CONFIG_ETHER_ON_SCC */ | |
| 206 | ||
| 207 | #ifdef CONFIG_ETHER_ON_FCC | |
| 208 | #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */ | |
| 209 | #define CONFIG_MII /* MII PHY management */ | |
| 210 | #define CONFIG_BITBANGMII /* bit-bang MII PHY management */ | |
| 211 | /* | |
| 212 | * Port pins used for bit-banged MII communictions (if applicable). | |
| 213 | */ | |
| 214 | #define MDIO_PORT 2 /* Port C */ | |
| 215 | #define MDIO_ACTIVE (iop->pdir |= 0x00400000) | |
| 216 | #define MDIO_TRISTATE (iop->pdir &= ~0x00400000) | |
| 217 | #define MDIO_READ ((iop->pdat & 0x00400000) != 0) | |
| 218 | ||
| 219 | #define MDIO(bit) if(bit) iop->pdat |= 0x00400000; \ | |
| 8bde7f77 | 220 | else iop->pdat &= ~0x00400000 |
| fe8c2806 WD |
221 | |
| 222 | #define MDC(bit) if(bit) iop->pdat |= 0x00200000; \ | |
| 8bde7f77 | 223 | else iop->pdat &= ~0x00200000 |
| fe8c2806 WD |
224 | |
| 225 | #define MIIDELAY udelay(1) | |
| 226 | #endif /* CONFIG_ETHER_ON_FCC */ | |
| 227 | ||
| 228 | #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2) | |
| 229 | ||
| 230 | /* | |
| 231 | * - Rx-CLK is CLK13 | |
| 232 | * - Tx-CLK is CLK14 | |
| 233 | * - Select bus for bd/buffers (see 28-13) | |
| 234 | * - Enable Full Duplex in FSMR | |
| 235 | */ | |
| 236 | # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK) | |
| 237 | # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14) | |
| 238 | # define CFG_CPMFCR_RAMTYPE 0 | |
| 239 | # define CFG_FCC_PSMR (FCC_PSMR_FDE | FCC_PSMR_LPB) | |
| 240 | ||
| 241 | #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 3) | |
| 242 | ||
| 243 | /* | |
| 244 | * - Rx-CLK is CLK15 | |
| 245 | * - Tx-CLK is CLK16 | |
| 246 | * - Select bus for bd/buffers (see 28-13) | |
| 247 | * - Enable Full Duplex in FSMR | |
| 248 | */ | |
| 249 | # define CFG_CMXFCR_MASK (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK) | |
| 250 | # define CFG_CMXFCR_VALUE (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16) | |
| 251 | # define CFG_CPMFCR_RAMTYPE 0 | |
| 252 | # define CFG_FCC_PSMR (FCC_PSMR_FDE | FCC_PSMR_LPB) | |
| 253 | ||
| 254 | #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */ | |
| 255 | ||
| 256 | /* Define this to reserve an entire FLASH sector (256 KB) for | |
| 257 | * environment variables. Otherwise, the environment will be | |
| 258 | * put in the same sector as U-Boot, and changing variables | |
| 259 | * will erase U-Boot temporarily | |
| 260 | */ | |
| 261 | #define CFG_ENV_IN_OWN_SECT | |
| 262 | ||
| 263 | /* Define to allow the user to overwrite serial and ethaddr */ | |
| 264 | #define CONFIG_ENV_OVERWRITE | |
| 265 | ||
| 266 | /* What should the console's baud rate be? */ | |
| 267 | #define CONFIG_BAUDRATE 115200 | |
| 268 | ||
| 269 | /* Ethernet MAC address - This is set to all zeros to force an | |
| 270 | * an error if we use BOOTP without setting | |
| 271 | * the MAC address | |
| 272 | */ | |
| 273 | #define CONFIG_ETHADDR 00:00:00:00:00:00 | |
| 274 | ||
| 275 | /* Set to a positive value to delay for running BOOTCOMMAND */ | |
| 276 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
| 277 | ||
| 278 | /* Be selective on what keys can delay or stop the autoboot process | |
| 279 | * To stop use: " " | |
| 280 | */ | |
| 281 | #define CONFIG_AUTOBOOT_KEYED | |
| f2302d44 SR |
282 | #define CONFIG_AUTOBOOT_PROMPT \ |
| 283 | "Autobooting in %d seconds, press \" \" to stop\n", bootdelay | |
| fe8c2806 WD |
284 | #define CONFIG_AUTOBOOT_STOP_STR " " |
| 285 | #undef CONFIG_AUTOBOOT_DELAY_STR | |
| 286 | #define DEBUG_BOOTKEYS 0 | |
| 287 | ||
| 2fd90ce5 JL |
288 | /* |
| 289 | * BOOTP options | |
| fe8c2806 | 290 | */ |
| 2fd90ce5 JL |
291 | #define CONFIG_BOOTP_SUBNETMASK |
| 292 | #define CONFIG_BOOTP_GATEWAY | |
| 293 | #define CONFIG_BOOTP_HOSTNAME | |
| 294 | #define CONFIG_BOOTP_BOOTPATH | |
| 295 | ||
| 296 | #define CONFIG_BOOTP_BOOTFILESIZE | |
| cdd917a4 | 297 | #define CONFIG_BOOTP_DNS |
| fe8c2806 WD |
298 | |
| 299 | /* undef this to save memory */ | |
| 300 | #define CFG_LONGHELP | |
| 301 | ||
| 302 | /* Monitor Command Prompt */ | |
| 303 | #define CFG_PROMPT "=> " | |
| 304 | ||
| 72eb0efa JL |
305 | |
| 306 | /* | |
| 307 | * Command line configuration. | |
| 308 | */ | |
| 309 | #include <config_cmd_default.h> | |
| 310 | ||
| 311 | #define CONFIG_CMD_BEDBUG | |
| 312 | #define CONFIG_CMD_ELF | |
| 313 | #define CONFIG_CMD_ASKENV | |
| 314 | #define CONFIG_CMD_REGINFO | |
| 315 | #define CONFIG_CMD_IMMAP | |
| 316 | #define CONFIG_CMD_MII | |
| 317 | ||
| 318 | #undef CONFIG_CMD_KGDB | |
| 319 | ||
| fe8c2806 WD |
320 | |
| 321 | /* Where do the internal registers live? */ | |
| 322 | #define CFG_IMMR 0xf0000000 | |
| 323 | ||
| 324 | /* Use the HUSH parser */ | |
| 325 | #define CFG_HUSH_PARSER | |
| 326 | #ifdef CFG_HUSH_PARSER | |
| 327 | #define CFG_PROMPT_HUSH_PS2 "> " | |
| 328 | #endif | |
| 329 | ||
| 330 | /* What is the address of IO controller */ | |
| 331 | #define CFG_IO_BASE 0xe0000000 | |
| 332 | ||
| 333 | /***************************************************************************** | |
| 334 | * | |
| 335 | * You should not have to modify any of the following settings | |
| 336 | * | |
| 337 | *****************************************************************************/ | |
| 338 | ||
| 339 | #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ | |
| 340 | #define CONFIG_GW8260 1 /* on an GW8260 Board */ | |
| 9c4c5ae3 | 341 | #define CONFIG_CPM2 1 /* Has a CPM2 */ |
| fe8c2806 | 342 | |
| fe8c2806 WD |
343 | /* |
| 344 | * Miscellaneous configurable options | |
| 345 | */ | |
| 72eb0efa | 346 | #if defined(CONFIG_CMD_KGDB) |
| fe8c2806 WD |
347 | # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
| 348 | #else | |
| 349 | # define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
| 350 | #endif | |
| 351 | ||
| 352 | /* Print Buffer Size */ | |
| 353 | #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16) | |
| 354 | ||
| 355 | #define CFG_MAXARGS 8 /* max number of command args */ | |
| 356 | ||
| 357 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
| 358 | ||
| 359 | /* Convert clocks to MHZ when passing board info to kernel. | |
| 360 | * This must be defined for eariler 2.4 kernels (~2.4.4). | |
| 361 | */ | |
| 362 | #define CONFIG_CLOCKS_IN_MHZ | |
| 363 | ||
| 364 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ | |
| 365 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
| 366 | ||
| 367 | ||
| 368 | /* memtest works from the end of the exception vector table | |
| 369 | * to the end of the DRAM less monitor and malloc area | |
| 370 | */ | |
| 371 | #define CFG_MEMTEST_START 0x2000 | |
| 372 | ||
| 373 | #define CFG_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */ | |
| 374 | ||
| 375 | #define CFG_MEM_END_USAGE ( CFG_MONITOR_LEN \ | |
| 8bde7f77 WD |
376 | + CFG_MALLOC_LEN \ |
| 377 | + CFG_ENV_SECT_SIZE \ | |
| 378 | + CFG_STACK_USAGE ) | |
| fe8c2806 WD |
379 | |
| 380 | #define CFG_MEMTEST_END ( CFG_SDRAM_SIZE * 1024 * 1024 \ | |
| 8bde7f77 | 381 | - CFG_MEM_END_USAGE ) |
| fe8c2806 WD |
382 | |
| 383 | /* valid baudrates */ | |
| 384 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
| 385 | ||
| 386 | /* | |
| 387 | * Low Level Configuration Settings | |
| 388 | * (address mappings, register initial values, etc.) | |
| 389 | * You should know what you are doing if you make changes here. | |
| 390 | */ | |
| 391 | ||
| 392 | #define CFG_FLASH_BASE CFG_FLASH0_BASE | |
| 393 | #define CFG_FLASH_SIZE CFG_FLASH0_SIZE | |
| 394 | #define CFG_SDRAM_BASE CFG_SDRAM0_BASE | |
| 395 | #define CFG_SDRAM_SIZE CFG_SDRAM0_SIZE | |
| 396 | ||
| 397 | /*----------------------------------------------------------------------- | |
| 398 | * Hard Reset Configuration Words | |
| 399 | */ | |
| 400 | #if defined(CFG_SBC_BOOT_LOW) | |
| 401 | # define CFG_SBC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS) | |
| 402 | #else | |
| 403 | # define CFG_SBC_HRCW_BOOT_FLAGS (0) | |
| 404 | #endif /* defined(CFG_SBC_BOOT_LOW) */ | |
| 405 | ||
| 406 | /* get the HRCW ISB field from CFG_IMMR */ | |
| 407 | #define CFG_SBC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) | \ | |
| 8bde7f77 WD |
408 | ((CFG_IMMR & 0x01000000) >> 7) | \ |
| 409 | ((CFG_IMMR & 0x00100000) >> 4) ) | |
| fe8c2806 WD |
410 | |
| 411 | #define CFG_HRCW_MASTER ( HRCW_BPS11 | \ | |
| 8bde7f77 WD |
412 | HRCW_DPPC11 | \ |
| 413 | CFG_SBC_HRCW_IMMR | \ | |
| 414 | HRCW_MMR00 | \ | |
| 415 | HRCW_LBPC11 | \ | |
| 416 | HRCW_APPC10 | \ | |
| 417 | HRCW_CS10PC00 | \ | |
| 418 | (CFG_SBC_MODCK_H & HRCW_MODCK_H1111) | \ | |
| 419 | CFG_SBC_HRCW_BOOT_FLAGS ) | |
| fe8c2806 WD |
420 | |
| 421 | /* no slaves */ | |
| 422 | #define CFG_HRCW_SLAVE1 0 | |
| 423 | #define CFG_HRCW_SLAVE2 0 | |
| 424 | #define CFG_HRCW_SLAVE3 0 | |
| 425 | #define CFG_HRCW_SLAVE4 0 | |
| 426 | #define CFG_HRCW_SLAVE5 0 | |
| 427 | #define CFG_HRCW_SLAVE6 0 | |
| 428 | #define CFG_HRCW_SLAVE7 0 | |
| 429 | ||
| 430 | /*----------------------------------------------------------------------- | |
| 431 | * Definitions for initial stack pointer and data area (in DPRAM) | |
| 432 | */ | |
| 433 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
| 434 | #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */ | |
| 435 | #define CFG_GBL_DATA_SIZE 128 /* bytes reserved for initial data */ | |
| 436 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
| 437 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
| 438 | ||
| 439 | /*----------------------------------------------------------------------- | |
| 440 | * Start addresses for the final memory configuration | |
| 441 | * (Set up by the startup code) | |
| 442 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
| 443 | * Note also that the logic that sets CFG_RAMBOOT is platform dependent. | |
| 444 | */ | |
| 445 | #define CFG_MONITOR_BASE CFG_FLASH0_BASE | |
| 446 | ||
| 447 | #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */ | |
| 448 | #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ | |
| 449 | ||
| 450 | /* | |
| 451 | * For booting Linux, the board info and command line data | |
| 452 | * have to be in the first 8 MB of memory, since this is | |
| 453 | * the maximum mapped by the Linux kernel during initialization. | |
| 454 | */ | |
| 455 | #define CFG_BOOTMAPSZ (8 * 1024 * 1024) /* Initial Memory map for Linux */ | |
| 456 | ||
| 457 | /*----------------------------------------------------------------------- | |
| 458 | * FLASH and environment organization | |
| 459 | */ | |
| 460 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
| 461 | #define CFG_MAX_FLASH_SECT 32 /* max number of sectors on one chip */ | |
| 462 | ||
| 463 | #define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */ | |
| 464 | #define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */ | |
| 465 | ||
| 5a1aceb0 | 466 | #define CONFIG_ENV_IS_IN_FLASH 1 |
| fe8c2806 WD |
467 | |
| 468 | #ifdef CFG_ENV_IN_OWN_SECT | |
| 469 | # define CFG_ENV_ADDR (CFG_MONITOR_BASE + (256 * 1024)) | |
| 470 | # define CFG_ENV_SECT_SIZE (256 * 1024) | |
| 471 | #else | |
| 472 | # define CFG_ENV_SIZE (16 * 1024)/* Size of Environment Sector */ | |
| 473 | # define CFG_ENV_ADD ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) - CFG_ENV_SIZE) | |
| 474 | # define CFG_ENV_SECT_SIZE (256 * 1024)/* see README - env sect real size */ | |
| 475 | #endif /* CFG_ENV_IN_OWN_SECT */ | |
| 476 | ||
| 477 | /*----------------------------------------------------------------------- | |
| 478 | * Cache Configuration | |
| 479 | */ | |
| 480 | #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */ | |
| 481 | ||
| 72eb0efa | 482 | #if defined(CONFIG_CMD_KGDB) |
| fe8c2806 WD |
483 | # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ |
| 484 | #endif | |
| 485 | ||
| 486 | /*----------------------------------------------------------------------- | |
| 487 | * HIDx - Hardware Implementation-dependent Registers 2-11 | |
| 488 | *----------------------------------------------------------------------- | |
| 489 | * HID0 also contains cache control - initially enable both caches and | |
| 490 | * invalidate contents, then the final state leaves only the instruction | |
| 491 | * cache enabled. Note that Power-On and Hard reset invalidate the caches, | |
| 492 | * but Soft reset does not. | |
| 493 | * | |
| 494 | * HID1 has only read-only information - nothing to set. | |
| 495 | */ | |
| 496 | #define CFG_HID0_INIT (HID0_ICE |\ | |
| 8bde7f77 WD |
497 | HID0_DCE |\ |
| 498 | HID0_ICFI |\ | |
| 499 | HID0_DCI |\ | |
| 500 | HID0_IFEM |\ | |
| 501 | HID0_ABE) | |
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502 | |
| 503 | #define CFG_HID0_FINAL (HID0_ICE |\ | |
| 8bde7f77 WD |
504 | HID0_IFEM |\ |
| 505 | HID0_ABE |\ | |
| 506 | HID0_EMCP) | |
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507 | #define CFG_HID2 0 |
| 508 | ||
| 509 | /*----------------------------------------------------------------------- | |
| 510 | * RMR - Reset Mode Register | |
| 511 | *----------------------------------------------------------------------- | |
| 512 | */ | |
| 513 | #define CFG_RMR 0 | |
| 514 | ||
| 515 | /*----------------------------------------------------------------------- | |
| 516 | * BCR - Bus Configuration 4-25 | |
| 517 | *----------------------------------------------------------------------- | |
| 518 | */ | |
| 519 | #define CFG_BCR (BCR_ETM) | |
| 520 | ||
| 521 | /*----------------------------------------------------------------------- | |
| 522 | * SIUMCR - SIU Module Configuration 4-31 | |
| 523 | *----------------------------------------------------------------------- | |
| 524 | */ | |
| 525 | #define CFG_SIUMCR (SIUMCR_DPPC11 |\ | |
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526 | SIUMCR_L2CPC00 |\ |
| 527 | SIUMCR_APPC10 |\ | |
| 528 | SIUMCR_MMR00) | |
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529 | |
| 530 | ||
| 531 | /*----------------------------------------------------------------------- | |
| 532 | * SYPCR - System Protection Control 11-9 | |
| 533 | * SYPCR can only be written once after reset! | |
| 534 | *----------------------------------------------------------------------- | |
| 535 | * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable | |
| 536 | */ | |
| 537 | #define CFG_SYPCR (SYPCR_SWTC |\ | |
| 8bde7f77 WD |
538 | SYPCR_BMT |\ |
| 539 | SYPCR_PBME |\ | |
| 540 | SYPCR_LBME |\ | |
| 541 | SYPCR_SWRI |\ | |
| 542 | SYPCR_SWP) | |
| fe8c2806 WD |
543 | |
| 544 | /*----------------------------------------------------------------------- | |
| 545 | * TMCNTSC - Time Counter Status and Control 4-40 | |
| 546 | *----------------------------------------------------------------------- | |
| 547 | * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk, | |
| 548 | * and enable Time Counter | |
| 549 | */ | |
| 550 | #define CFG_TMCNTSC (TMCNTSC_SEC |\ | |
| 8bde7f77 WD |
551 | TMCNTSC_ALR |\ |
| 552 | TMCNTSC_TCF |\ | |
| 553 | TMCNTSC_TCE) | |
| fe8c2806 WD |
554 | |
| 555 | /*----------------------------------------------------------------------- | |
| 556 | * PISCR - Periodic Interrupt Status and Control 4-42 | |
| 557 | *----------------------------------------------------------------------- | |
| 558 | * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable | |
| 559 | * Periodic timer | |
| 560 | */ | |
| 561 | #define CFG_PISCR (PISCR_PS |\ | |
| 8bde7f77 WD |
562 | PISCR_PTF |\ |
| 563 | PISCR_PTE) | |
| fe8c2806 WD |
564 | |
| 565 | /*----------------------------------------------------------------------- | |
| 566 | * SCCR - System Clock Control 9-8 | |
| 567 | *----------------------------------------------------------------------- | |
| 568 | */ | |
| 569 | #define CFG_SCCR 0 | |
| 570 | ||
| 571 | /*----------------------------------------------------------------------- | |
| 572 | * RCCR - RISC Controller Configuration 13-7 | |
| 573 | *----------------------------------------------------------------------- | |
| 574 | */ | |
| 575 | #define CFG_RCCR 0 | |
| 576 | ||
| 577 | /* | |
| 578 | * Initialize Memory Controller: | |
| 579 | * | |
| 580 | * Bank Bus Machine PortSz Device | |
| 581 | * ---- --- ------- ------ ------ | |
| 582 | * 0 60x GPCM 32 bit FLASH (SIMM - 4MB) | |
| 583 | * 1 60x GPCM 32 bit unused | |
| 584 | * 2 60x SDRAM 64 bit SDRAM (DIMM - 16MB or 64MB) | |
| 585 | * 3 60x SDRAM 64 bit unused | |
| 586 | * 4 Local GPCM 8 bit IO (on board - 64k) | |
| 587 | * 5 60x GPCM 8 bit unused | |
| 588 | * 6 60x GPCM 8 bit unused | |
| 589 | * 7 60x GPCM 8 bit unused | |
| 590 | * | |
| 591 | */ | |
| 592 | ||
| 593 | /*----------------------------------------------------------------------- | |
| 594 | * BR0 - Base Register | |
| 595 | * Ref: Section 10.3.1 on page 10-14 | |
| 596 | * OR0 - Option Register | |
| 597 | * Ref: Section 10.3.2 on page 10-18 | |
| 598 | *----------------------------------------------------------------------- | |
| 599 | */ | |
| 600 | ||
| 601 | /* Bank 0,1 - FLASH SIMM | |
| 602 | * | |
| 603 | * This expects the FLASH SIMM to be connected to *CS0 | |
| 604 | * It consists of 4 AM29F016D parts. | |
| 605 | * | |
| 606 | * Note: For the 8 MB SIMM, *CS1 is unused. | |
| 607 | */ | |
| 608 | ||
| 609 | /* BR0 is configured as follows: | |
| 610 | * | |
| 611 | * - Base address of 0x40000000 | |
| 612 | * - 32 bit port size | |
| 613 | * - Data errors checking is disabled | |
| 614 | * - Read and write access | |
| 615 | * - GPCM 60x bus | |
| 616 | * - Access are handled by the memory controller according to MSEL | |
| 617 | * - Not used for atomic operations | |
| 618 | * - No data pipelining is done | |
| 619 | * - Valid | |
| 620 | */ | |
| 621 | #define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\ | |
| 8bde7f77 WD |
622 | BRx_PS_32 |\ |
| 623 | BRx_MS_GPCM_P |\ | |
| 624 | BRx_V) | |
| fe8c2806 WD |
625 | |
| 626 | /* OR0 is configured as follows: | |
| 627 | * | |
| 628 | * - 8 MB | |
| 629 | * - *BCTL0 is asserted upon access to the current memory bank | |
| 630 | * - *CW / *WE are negated a quarter of a clock earlier | |
| 631 | * - *CS is output at the same time as the address lines | |
| 632 | * - Uses a clock cycle length of 5 | |
| 633 | * - *PSDVAL is generated internally by the memory controller | |
| 634 | * unless *GTA is asserted earlier externally. | |
| 635 | * - Relaxed timing is generated by the GPCM for accesses | |
| 636 | * initiated to this memory region. | |
| 637 | * - One idle clock is inserted between a read access from the | |
| 638 | * current bank and the next access. | |
| 639 | */ | |
| 640 | #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\ | |
| 8bde7f77 WD |
641 | ORxG_CSNT |\ |
| 642 | ORxG_ACS_DIV1 |\ | |
| 643 | ORxG_SCY_5_CLK |\ | |
| 644 | ORxG_TRLX |\ | |
| 645 | ORxG_EHTR) | |
| fe8c2806 WD |
646 | |
| 647 | /*----------------------------------------------------------------------- | |
| 648 | * BR2 - Base Register | |
| 649 | * Ref: Section 10.3.1 on page 10-14 | |
| 650 | * OR2 - Option Register | |
| 651 | * Ref: Section 10.3.2 on page 10-16 | |
| 652 | *----------------------------------------------------------------------- | |
| 653 | */ | |
| 654 | ||
| 655 | /* Bank 2 - SDRAM DIMM | |
| 656 | * | |
| 657 | * 16MB DIMM: P/N | |
| 658 | * 64MB DIMM: P/N 1W-8864X8-4-P1-EST or | |
| 659 | * MT4LSDT864AG-10EB1 (Micron) | |
| 660 | * | |
| 661 | * Note: *CS3 is unused for this DIMM | |
| 662 | */ | |
| 663 | ||
| 664 | /* With a 16 MB or 64 MB DIMM, the BR2 is configured as follows: | |
| 665 | * | |
| 666 | * - Base address of 0x00000000 | |
| 667 | * - 64 bit port size (60x bus only) | |
| 668 | * - Data errors checking is disabled | |
| 669 | * - Read and write access | |
| 670 | * - SDRAM 60x bus | |
| 671 | * - Access are handled by the memory controller according to MSEL | |
| 672 | * - Not used for atomic operations | |
| 673 | * - No data pipelining is done | |
| 674 | * - Valid | |
| 675 | */ | |
| 676 | #define CFG_BR2_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\ | |
| 8bde7f77 WD |
677 | BRx_PS_64 |\ |
| 678 | BRx_MS_SDRAM_P |\ | |
| 679 | BRx_V) | |
| fe8c2806 WD |
680 | |
| 681 | /* With a 16 MB DIMM, the OR2 is configured as follows: | |
| 682 | * | |
| 683 | * - 16 MB | |
| 684 | * - 2 internal banks per device | |
| 685 | * - Row start address bit is A9 with PSDMR[PBI] = 0 | |
| 686 | * - 11 row address lines | |
| 687 | * - Back-to-back page mode | |
| 688 | * - Internal bank interleaving within save device enabled | |
| 689 | */ | |
| 690 | #if (CFG_SDRAM0_SIZE == 16) | |
| 691 | #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\ | |
| 8bde7f77 WD |
692 | ORxS_BPD_2 |\ |
| 693 | ORxS_ROWST_PBI0_A9 |\ | |
| 694 | ORxS_NUMR_11) | |
| fe8c2806 WD |
695 | |
| 696 | /* With a 16 MB DIMM, the PSDMR is configured as follows: | |
| 697 | * | |
| 698 | * - Page Based Interleaving, | |
| 699 | * - Refresh Enable, | |
| 700 | * - Address Multiplexing where A5 is output on A14 pin | |
| 701 | * (A6 on A15, and so on), | |
| 702 | * - use address pins A16-A18 as bank select, | |
| 703 | * - A9 is output on SDA10 during an ACTIVATE command, | |
| 704 | * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks, | |
| 705 | * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command | |
| 706 | * is 3 clocks, | |
| 707 | * - earliest timing for READ/WRITE command after ACTIVATE command is | |
| 708 | * 2 clocks, | |
| 709 | * - earliest timing for PRECHARGE after last data was read is 1 clock, | |
| 710 | * - earliest timing for PRECHARGE after last data was written is 1 clock, | |
| 711 | * - CAS Latency is 2. | |
| 712 | */ | |
| 713 | ||
| 714 | /*----------------------------------------------------------------------- | |
| 715 | * PSDMR - 60x Bus SDRAM Mode Register | |
| 716 | * Ref: Section 10.3.3 on page 10-21 | |
| 717 | *----------------------------------------------------------------------- | |
| 718 | */ | |
| 719 | #define CFG_PSDMR (PSDMR_RFEN |\ | |
| 8bde7f77 WD |
720 | PSDMR_SDAM_A14_IS_A5 |\ |
| 721 | PSDMR_BSMA_A16_A18 |\ | |
| 722 | PSDMR_SDA10_PBI0_A9 |\ | |
| 723 | PSDMR_RFRC_7_CLK |\ | |
| 724 | PSDMR_PRETOACT_3W |\ | |
| 725 | PSDMR_ACTTORW_2W |\ | |
| 726 | PSDMR_LDOTOPRE_1C |\ | |
| 727 | PSDMR_WRC_1C |\ | |
| 728 | PSDMR_CL_2) | |
| fe8c2806 WD |
729 | #endif /* (CFG_SDRAM0_SIZE == 16) */ |
| 730 | ||
| 731 | /* With a 64 MB DIMM, the OR2 is configured as follows: | |
| 732 | * | |
| 733 | * - 64 MB | |
| 734 | * - 4 internal banks per device | |
| 735 | * - Row start address bit is A8 with PSDMR[PBI] = 0 | |
| 736 | * - 12 row address lines | |
| 737 | * - Back-to-back page mode | |
| 738 | * - Internal bank interleaving within save device enabled | |
| 739 | */ | |
| 740 | #if (CFG_SDRAM0_SIZE == 64) | |
| 741 | #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\ | |
| 8bde7f77 WD |
742 | ORxS_BPD_4 |\ |
| 743 | ORxS_ROWST_PBI0_A8 |\ | |
| 744 | ORxS_NUMR_12) | |
| fe8c2806 WD |
745 | |
| 746 | /* With a 64 MB DIMM, the PSDMR is configured as follows: | |
| 747 | * | |
| 748 | * - Page Based Interleaving, | |
| 749 | * - Refresh Enable, | |
| 750 | * - Address Multiplexing where A5 is output on A14 pin | |
| 751 | * (A6 on A15, and so on), | |
| 752 | * - use address pins A14-A16 as bank select, | |
| 753 | * - A9 is output on SDA10 during an ACTIVATE command, | |
| 754 | * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks, | |
| 755 | * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command | |
| 756 | * is 3 clocks, | |
| 757 | * - earliest timing for READ/WRITE command after ACTIVATE command is | |
| 758 | * 2 clocks, | |
| 759 | * - earliest timing for PRECHARGE after last data was read is 1 clock, | |
| 760 | * - earliest timing for PRECHARGE after last data was written is 1 clock, | |
| 761 | * - CAS Latency is 2. | |
| 762 | */ | |
| 763 | ||
| 764 | /*----------------------------------------------------------------------- | |
| 765 | * PSDMR - 60x Bus SDRAM Mode Register | |
| 766 | * Ref: Section 10.3.3 on page 10-21 | |
| 767 | *----------------------------------------------------------------------- | |
| 768 | */ | |
| 769 | #define CFG_PSDMR (PSDMR_RFEN |\ | |
| 8bde7f77 WD |
770 | PSDMR_SDAM_A14_IS_A5 |\ |
| 771 | PSDMR_BSMA_A14_A16 |\ | |
| 772 | PSDMR_SDA10_PBI0_A9 |\ | |
| 773 | PSDMR_RFRC_7_CLK |\ | |
| 774 | PSDMR_PRETOACT_3W |\ | |
| 775 | PSDMR_ACTTORW_2W |\ | |
| 776 | PSDMR_LDOTOPRE_1C |\ | |
| 777 | PSDMR_WRC_1C |\ | |
| 778 | PSDMR_CL_2) | |
| fe8c2806 WD |
779 | #endif /* (CFG_SDRAM0_SIZE == 64) */ |
| 780 | ||
| 781 | #define CFG_PSRT 0x0e | |
| 782 | #define CFG_MPTPR MPTPR_PTP_DIV32 | |
| 783 | ||
| 784 | ||
| 785 | /*----------------------------------------------------------------------- | |
| 786 | * BR4 - Base Register | |
| 787 | * Ref: Section 10.3.1 on page 10-14 | |
| 788 | * OR4 - Option Register | |
| 789 | * Ref: Section 10.3.2 on page 10-18 | |
| 790 | *----------------------------------------------------------------------- | |
| 791 | */ | |
| 792 | /* Bank 4 - Onboard Memory Mapped IO controller | |
| 793 | * | |
| 794 | * This expects the onboard IO controller to connected to *CS4 and | |
| 795 | * the local bus. | |
| 796 | * - Base address of 0xe0000000 | |
| 797 | * - 8 bit port size (local bus only) | |
| 798 | * - Read and write access | |
| 799 | * - GPCM local bus | |
| 800 | * - Not used for atomic operations | |
| 801 | * - No data pipelining is done | |
| 802 | * - Valid | |
| 803 | * - extended hold time | |
| 804 | * - 11 wait states | |
| 805 | */ | |
| 806 | ||
| 807 | #ifdef CFG_IO_BASE | |
| 808 | # define CFG_BR4_PRELIM ((CFG_IO_BASE & BRx_BA_MSK) |\ | |
| 8bde7f77 WD |
809 | BRx_PS_8 |\ |
| 810 | BRx_MS_GPCM_L |\ | |
| 811 | BRx_V) | |
| fe8c2806 WD |
812 | |
| 813 | # define CFG_OR4_PRELIM (ORxG_AM_MSK |\ | |
| 8bde7f77 WD |
814 | ORxG_SCY_11_CLK |\ |
| 815 | ORxG_EHTR) | |
| fe8c2806 WD |
816 | #endif /* CFG_IO_BASE */ |
| 817 | ||
| 818 | /* | |
| 819 | * Internal Definitions | |
| 820 | * | |
| 821 | * Boot Flags | |
| 822 | */ | |
| 823 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
| 824 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
| 825 | ||
| 826 | #endif /* __CONFIG_H */ |