wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2000 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * Keith Outwater, keith_outwater@mvis.com |
| 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_GEN860T.h - board specific configuration options |
| 27 | */ |
| 28 | |
| 29 | #ifndef __CONFIG_GEN860T_H |
| 30 | #define __CONFIG_H |
| 31 | |
| 32 | /* |
| 33 | * High Level Configuration Options |
| 34 | */ |
| 35 | #define CONFIG_MPC860 |
| 36 | #define CONFIG_GEN860T |
| 37 | |
| 38 | /* |
| 39 | * Identify the board |
| 40 | */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 41 | #if !defined(CONFIG_SC) |
| 42 | #define CONFIG_IDENT_STRING " B2" |
| 43 | #else |
| 44 | #define CONFIG_IDENT_STRING " SC" |
| 45 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 46 | |
| 47 | /* |
| 48 | * Don't depend on the RTC clock to determine clock frequency - |
| 49 | * the 860's internal rtc uses a 32.768 KHz clock which is |
| 50 | * generated by the DS1337 - and the DS1337 clock can be turned off. |
| 51 | */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 52 | #if !defined(CONFIG_SC) |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 53 | #define CONFIG_8xx_GCLK_FREQ 66600000 |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 54 | #else |
| 55 | #define CONFIG_8xx_GCLK_FREQ 48000000 |
| 56 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 57 | |
| 58 | /* |
| 59 | * The RS-232 console port is on SMC1 |
| 60 | */ |
| 61 | #define CONFIG_8xx_CONS_SMC1 |
| 62 | #define CONFIG_BAUDRATE 38400 |
| 63 | |
| 64 | /* |
| 65 | * Set allowable console baud rates |
| 66 | */ |
| 67 | #define CFG_BAUDRATE_TABLE { 9600, \ |
| 68 | 19200, \ |
| 69 | 38400, \ |
| 70 | 57600, \ |
| 71 | 115200, \ |
| 72 | } |
| 73 | |
| 74 | /* |
| 75 | * Print console information |
| 76 | */ |
| 77 | #undef CFG_CONSOLE_INFO_QUIET |
| 78 | |
| 79 | /* |
| 80 | * Set the autoboot delay in seconds. A delay of -1 disables autoboot |
| 81 | */ |
| 82 | #define CONFIG_BOOTDELAY 5 |
| 83 | |
| 84 | /* |
| 85 | * Pass the clock frequency to the Linux kernel in units of MHz |
| 86 | */ |
| 87 | #define CONFIG_CLOCKS_IN_MHZ |
| 88 | |
| 89 | #define CONFIG_PREBOOT \ |
| 90 | "echo;echo" |
| 91 | |
| 92 | #undef CONFIG_BOOTARGS |
| 93 | #define CONFIG_BOOTCOMMAND \ |
| 94 | "bootp;" \ |
| 95 | "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ |
| 96 | "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \ |
| 97 | "bootm" |
| 98 | |
| 99 | /* |
| 100 | * Turn off echo for serial download by default. Allow baud rate to be changed |
| 101 | * for downloads |
| 102 | */ |
| 103 | #undef CONFIG_LOADS_ECHO |
| 104 | #define CFG_LOADS_BAUD_CHANGE |
| 105 | |
| 106 | /* |
| 107 | * Set default load address for tftp network downloads |
| 108 | */ |
| 109 | #define CFG_TFTP_LOADADDR 0x01000000 |
| 110 | |
| 111 | /* |
| 112 | * Turn off the watchdog timer |
| 113 | */ |
| 114 | #undef CONFIG_WATCHDOG |
| 115 | |
| 116 | /* |
| 117 | * Do not reboot if a panic occurs |
| 118 | */ |
| 119 | #define CONFIG_PANIC_HANG |
| 120 | |
| 121 | /* |
| 122 | * Enable the status LED |
| 123 | */ |
| 124 | #define CONFIG_STATUS_LED |
| 125 | |
| 126 | /* |
| 127 | * Reset address. We pick an address such that when an instruction |
| 128 | * is executed at that address, a machine check exception occurs |
| 129 | */ |
| 130 | #define CFG_RESET_ADDRESS ((ulong) -1) |
| 131 | |
| 132 | /* |
| 133 | * BOOTP options |
| 134 | */ |
| 135 | #define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \ |
| 136 | CONFIG_BOOTP_BOOTFILESIZE \ |
| 137 | ) |
| 138 | |
| 139 | /* |
| 140 | * The GEN860T network interface uses the on-chip 10/100 FEC with |
| 141 | * an Intel LXT971A PHY connected to the 860T's MII. The PHY's |
| 142 | * MII address is hardwired on the board to zero. |
| 143 | */ |
| 144 | #define CONFIG_FEC_ENET |
| 145 | #define CFG_DISCOVER_PHY |
| 146 | #define CONFIG_MII |
| 147 | #define CONFIG_PHY_ADDR 0 |
| 148 | |
| 149 | /* |
| 150 | * Set default IP stuff just to get bootstrap entries into the |
| 151 | * environment so that we can autoscript the full default environment. |
| 152 | */ |
| 153 | #define CONFIG_ETHADDR 9a:52:63:15:85:25 |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 154 | #define CONFIG_SERVERIP 10.0.4.201 |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 155 | #define CONFIG_IPADDR 10.0.4.111 |
| 156 | |
| 157 | /* |
| 158 | * This board has a 32 kibibyte EEPROM (Atmel AT24C256) connected to |
| 159 | * the MPC860T I2C interface. |
| 160 | */ |
| 161 | #define CFG_I2C_EEPROM_ADDR 0x50 |
| 162 | #define CFG_EEPROM_PAGE_WRITE_BITS 6 /* 64 byte pages */ |
| 163 | #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 12 /* 10 mS w/ 20% margin */ |
| 164 | #define CFG_I2C_EEPROM_ADDR_LEN 2 /* need 16 bit address */ |
| 165 | #define CFG_ENV_EEPROM_SIZE (32 * 1024) |
| 166 | |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 167 | /* |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 168 | * Enable I2C and select the hardware/software driver |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 169 | */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 170 | #define CONFIG_HARD_I2C 1 /* CPM based I2C */ |
| 171 | #undef CONFIG_SOFT_I2C /* Bit-banged I2C */ |
| 172 | |
| 173 | #ifdef CONFIG_HARD_I2C |
| 174 | #define CFG_I2C_SPEED 100000 /* clock speed in Hz */ |
| 175 | #define CFG_I2C_SLAVE 0xFE /* I2C slave address */ |
| 176 | #endif |
| 177 | |
| 178 | #ifdef CONFIG_SOFT_I2C |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 179 | #define PB_SCL 0x00000020 /* PB 26 */ |
| 180 | #define PB_SDA 0x00000010 /* PB 27 */ |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 181 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) |
| 182 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) |
| 183 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) |
| 184 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) |
| 185 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ |
| 186 | else immr->im_cpm.cp_pbdat &= ~PB_SDA |
| 187 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ |
| 188 | else immr->im_cpm.cp_pbdat &= ~PB_SCL |
| 189 | #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 190 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 191 | |
| 192 | /* |
| 193 | * Allow environment overwrites by anyone |
| 194 | */ |
| 195 | #define CONFIG_ENV_OVERWRITE |
| 196 | |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 197 | #if !defined(CONFIG_SC) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 198 | /* |
| 199 | * The MPC860's internal RTC is horribly broken in rev D masks. Three |
| 200 | * internal MPC860T circuit nodes were inadvertently left floating; this |
| 201 | * causes KAPWR current in power down mode to be three orders of magnitude |
| 202 | * higher than specified in the datasheet (from 10 uA to 10 mA). No |
| 203 | * reasonable battery can keep that kind RTC running during powerdown for any |
| 204 | * length of time, so we use an external RTC on the I2C bus instead. |
| 205 | */ |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 206 | #define CONFIG_RTC_DS1337 |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 207 | #define CFG_I2C_RTC_ADDR 0x68 |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 208 | |
| 209 | #else |
| 210 | /* |
| 211 | * No external RTC on SC variant, so we're stuck with the internal one. |
| 212 | */ |
| 213 | #define CONFIG_RTC_MPC8xx |
| 214 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 215 | |
| 216 | /* |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 217 | * Power On Self Test support |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 218 | */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 219 | #define CONFIG_POST ( CFG_POST_CACHE | \ |
| 220 | CFG_POST_MEMORY | \ |
| 221 | CFG_POST_CPU | \ |
| 222 | CFG_POST_UART | \ |
| 223 | CFG_POST_SPR ) |
| 224 | |
| 225 | #ifdef CONFIG_POST |
| 226 | #define CFG_CMD_POST_DIAG CFG_CMD_DIAG |
| 227 | #else |
| 228 | #define CFG_CMD_POST_DIAG 0 |
| 229 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 230 | |
| 231 | /* |
| 232 | * List of available monitor commands. Use the system default list |
| 233 | * plus add some of the "non-standard" commands back in. |
| 234 | * See ./cmd_confdefs.h |
| 235 | */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 236 | #define BASE_CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 237 | CFG_CMD_ASKENV | \ |
| 238 | CFG_CMD_DHCP | \ |
| 239 | CFG_CMD_I2C | \ |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 240 | CFG_CMD_EEPROM | \ |
| 241 | CFG_CMD_REGINFO | \ |
| 242 | CFG_CMD_IMMAP | \ |
| 243 | CFG_CMD_ELF | \ |
| 244 | CFG_CMD_DATE | \ |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 245 | CFG_CMD_FPGA | \ |
| 246 | CFG_CMD_MII | \ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 247 | CFG_CMD_BEDBUG | \ |
| 248 | CFG_CMD_POST_DIAG ) |
| 249 | |
| 250 | #if !defined(CONFIG_SC) |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 251 | #define CONFIG_COMMANDS ( BASE_CONFIG_COMMANDS | CFG_CMD_DOC ) |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 252 | #else |
| 253 | #define CONFIG_COMMANDS BASE_CONFIG_COMMANDS |
| 254 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 255 | |
| 256 | /* |
| 257 | * There is no IDE/PCMCIA hardware support on the board. |
| 258 | */ |
| 259 | #undef CONFIG_IDE_PCMCIA |
| 260 | #undef CONFIG_IDE_LED |
| 261 | #undef CONFIG_IDE_RESET |
| 262 | |
| 263 | /* |
| 264 | * Enable the call to misc_init_r() for miscellaneous platform |
| 265 | * dependent initialization. |
| 266 | */ |
| 267 | #define CONFIG_MISC_INIT_R |
| 268 | |
| 269 | /* |
| 270 | * Enable call to last_stage_init() so we can twiddle some LEDS :) |
| 271 | */ |
| 272 | #define CONFIG_LAST_STAGE_INIT |
| 273 | |
| 274 | /* |
| 275 | * Virtex2 FPGA configuration support |
| 276 | */ |
| 277 | #define CONFIG_FPGA_COUNT 1 |
| 278 | #define CONFIG_FPGA CFG_XILINX_VIRTEX2 |
| 279 | #define CFG_FPGA_PROG_FEEDBACK |
| 280 | |
| 281 | |
| 282 | /************************************************************************ |
| 283 | * This must be included AFTER the definition of any CONFIG_COMMANDS |
| 284 | */ |
| 285 | #include <cmd_confdefs.h> |
| 286 | |
| 287 | /* |
| 288 | * Verbose help from command monitor. |
| 289 | */ |
| 290 | #define CFG_LONGHELP |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 291 | #if !defined(CONFIG_SC) |
| 292 | #define CFG_PROMPT "B2> " |
| 293 | #else |
| 294 | #define CFG_PROMPT "SC> " |
| 295 | #endif |
| 296 | |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 297 | |
| 298 | /* |
| 299 | * Use the "hush" command parser |
| 300 | */ |
| 301 | #define CFG_HUSH_PARSER |
| 302 | #define CFG_PROMPT_HUSH_PS2 "> " |
| 303 | |
| 304 | /* |
| 305 | * Set buffer size for console I/O |
| 306 | */ |
| 307 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| 308 | #define CFG_CBSIZE 1024 |
| 309 | #else |
| 310 | #define CFG_CBSIZE 256 |
| 311 | #endif |
| 312 | |
| 313 | /* |
| 314 | * Print buffer size |
| 315 | */ |
| 316 | #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) |
| 317 | |
| 318 | /* |
| 319 | * Maximum number of arguments that a command can accept |
| 320 | */ |
| 321 | #define CFG_MAXARGS 16 |
| 322 | |
| 323 | /* |
| 324 | * Boot argument buffer size |
| 325 | */ |
| 326 | #define CFG_BARGSIZE CFG_CBSIZE |
| 327 | |
| 328 | /* |
| 329 | * Default memory test range |
| 330 | */ |
| 331 | #define CFG_MEMTEST_START 0x0100000 |
| 332 | #define CFG_MEMTEST_END (CFG_MEMTEST_START + (128 * 1024)) |
| 333 | |
| 334 | /* |
| 335 | * Select the more full-featured memory test |
| 336 | */ |
| 337 | #define CFG_ALT_MEMTEST |
| 338 | |
| 339 | /* |
| 340 | * Default load address |
| 341 | */ |
| 342 | #define CFG_LOAD_ADDR 0x01000000 |
| 343 | |
| 344 | /* |
| 345 | * Set decrementer frequency (1 ms ticks) |
| 346 | */ |
| 347 | #define CFG_HZ 1000 |
| 348 | |
| 349 | /* |
| 350 | * Device memory map (after SDRAM remap to 0x0): |
| 351 | * |
| 352 | * CS Device Base Addr Size |
| 353 | * ---------------------------------------------------- |
| 354 | * CS0* Flash 0x40000000 64 M |
| 355 | * CS1* SDRAM 0x00000000 16 M |
| 356 | * CS2* Disk-On-Chip 0x50000000 32 K |
| 357 | * CS3* FPGA 0x60000000 64 M |
| 358 | * CS4* SelectMap 0x70000000 32 K |
| 359 | * CS5* Mil-Std 1553 I/F 0x80000000 32 K |
| 360 | * CS6* Unused |
| 361 | * CS7* Unused |
| 362 | * IMMR 860T Registers 0xfff00000 |
| 363 | */ |
| 364 | |
| 365 | /* |
| 366 | * Base addresses and block sizes |
| 367 | */ |
| 368 | #define CFG_IMMR 0xFF000000 |
| 369 | |
| 370 | #define SDRAM_BASE 0x00000000 |
| 371 | #define SDRAM_SIZE (64 * 1024 * 1024) |
| 372 | |
| 373 | #define FLASH_BASE 0x40000000 |
| 374 | #define FLASH_SIZE (16 * 1024 * 1024) |
| 375 | |
| 376 | #define DOC_BASE 0x50000000 |
| 377 | #define DOC_SIZE (32 * 1024) |
| 378 | |
| 379 | #define FPGA_BASE 0x60000000 |
| 380 | #define FPGA_SIZE (64 * 1024 * 1024) |
| 381 | |
| 382 | #define SELECTMAP_BASE 0x70000000 |
| 383 | #define SELECTMAP_SIZE (32 * 1024) |
| 384 | |
| 385 | #define M1553_BASE 0x80000000 |
| 386 | #define M1553_SIZE (64 * 1024) |
| 387 | |
| 388 | /* |
| 389 | * Definitions for initial stack pointer and data area (in DPRAM) |
| 390 | */ |
| 391 | #define CFG_INIT_RAM_ADDR CFG_IMMR |
| 392 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
| 393 | #define CFG_INIT_DATA_SIZE 64 /* # bytes reserved for initial data*/ |
| 394 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_INIT_DATA_SIZE) |
| 395 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| 396 | |
| 397 | /* |
| 398 | * Start addresses for the final memory configuration |
| 399 | * (Set up by the startup code) |
| 400 | * Please note that CFG_SDRAM_BASE _must_ start at 0 |
| 401 | */ |
| 402 | #define CFG_SDRAM_BASE SDRAM_BASE |
| 403 | |
| 404 | /* |
| 405 | * FLASH organization |
| 406 | */ |
| 407 | #define CFG_FLASH_BASE FLASH_BASE |
| 408 | #define CFG_FLASH_SIZE FLASH_SIZE |
| 409 | #define CFG_FLASH_SECT_SIZE (128 * 1024) |
| 410 | #define CFG_MAX_FLASH_BANKS 1 |
| 411 | #define CFG_MAX_FLASH_SECT 128 |
| 412 | |
| 413 | /* |
| 414 | * The timeout values are for an entire chip and are in milliseconds. |
| 415 | * Yes I know that the write timeout is huge. Accroding to the |
| 416 | * datasheet a single byte takes 630 uS (round to 1 ms) max at worst |
| 417 | * case VCC and temp after 100K programming cycles. It works out |
| 418 | * to 280 minutes (might as well be forever). |
| 419 | */ |
| 420 | #define CFG_FLASH_ERASE_TOUT (CFG_MAX_FLASH_SECT * 5000) |
| 421 | #define CFG_FLASH_WRITE_TOUT (CFG_MAX_FLASH_SECT * 128 * 1024 * 1) |
| 422 | |
| 423 | /* |
| 424 | * Allow direct writes to FLASH from tftp transfers (** dangerous **) |
| 425 | */ |
| 426 | #define CFG_DIRECT_FLASH_TFTP |
| 427 | |
| 428 | /* |
| 429 | * Reserve memory for U-Boot. |
| 430 | */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 431 | #define CFG_MAX_UBOOT_SECTS 4 |
| 432 | #define CFG_MONITOR_LEN (CFG_MAX_UBOOT_SECTS * CFG_FLASH_SECT_SIZE) |
| 433 | #define CFG_MONITOR_BASE CFG_FLASH_BASE |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 434 | |
| 435 | /* |
| 436 | * Select environment placement. NOTE that u-boot.lds must |
| 437 | * be edited if this is changed! |
| 438 | */ |
| 439 | #undef CFG_ENV_IS_IN_FLASH |
| 440 | #define CFG_ENV_IS_IN_EEPROM |
| 441 | |
| 442 | #if defined(CFG_ENV_IS_IN_EEPROM) |
| 443 | #define CFG_ENV_SIZE (2 * 1024) |
| 444 | #define CFG_ENV_OFFSET (CFG_ENV_EEPROM_SIZE - (8 * 1024)) |
| 445 | #else |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 446 | #define CFG_ENV_SIZE 0x1000 |
| 447 | #define CFG_ENV_SECT_SIZE CFG_FLASH_SECT_SIZE |
| 448 | |
| 449 | /* |
| 450 | * This ultimately gets passed right into the linker script, so we have to |
| 451 | * use a number :( |
| 452 | */ |
| 453 | #define CFG_ENV_OFFSET 0x060000 |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 454 | #endif |
| 455 | |
| 456 | /* |
| 457 | * Reserve memory for malloc() |
| 458 | */ |
| 459 | #define CFG_MALLOC_LEN (128 * 1024) |
| 460 | |
| 461 | /* |
| 462 | * For booting Linux, the board info and command line data |
| 463 | * have to be in the first 8 MB of memory, since this is |
| 464 | * the maximum mapped by the Linux kernel during initialization. |
| 465 | */ |
| 466 | #define CFG_BOOTMAPSZ (8 * 1024 * 1024) |
| 467 | |
| 468 | /* |
| 469 | * Cache Configuration |
| 470 | */ |
| 471 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
| 472 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| 473 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of above value */ |
| 474 | #endif |
| 475 | |
| 476 | /*------------------------------------------------------------------------ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 477 | * SYPCR - System Protection Control UM 11-9 |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 478 | * ----------------------------------------------------------------------- |
| 479 | * SYPCR can only be written once after reset! |
| 480 | * |
| 481 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
| 482 | */ |
| 483 | #if defined(CONFIG_WATCHDOG) |
| 484 | #define CFG_SYPCR ( SYPCR_SWTC | \ |
| 485 | SYPCR_BMT | \ |
| 486 | SYPCR_BME | \ |
| 487 | SYPCR_SWF | \ |
| 488 | SYPCR_SWE | \ |
| 489 | SYPCR_SWRI | \ |
| 490 | SYPCR_SWP \ |
| 491 | ) |
| 492 | #else |
| 493 | #define CFG_SYPCR ( SYPCR_SWTC | \ |
| 494 | SYPCR_BMT | \ |
| 495 | SYPCR_BME | \ |
| 496 | SYPCR_SWF | \ |
| 497 | SYPCR_SWP \ |
| 498 | ) |
| 499 | #endif |
| 500 | |
| 501 | /*----------------------------------------------------------------------- |
| 502 | * SIUMCR - SIU Module Configuration UM 11-6 |
| 503 | *----------------------------------------------------------------------- |
| 504 | * Set debug pin mux, enable SPKROUT and GPLB5*. |
| 505 | */ |
| 506 | #define CFG_SIUMCR ( SIUMCR_DBGC11 | \ |
| 507 | SIUMCR_DBPC11 | \ |
| 508 | SIUMCR_MLRC11 | \ |
| 509 | SIUMCR_GB5E \ |
| 510 | ) |
| 511 | |
| 512 | /*----------------------------------------------------------------------- |
| 513 | * TBSCR - Time Base Status and Control UM 11-26 |
| 514 | *----------------------------------------------------------------------- |
| 515 | * Clear Reference Interrupt Status, Timebase freeze enabled |
| 516 | */ |
| 517 | #define CFG_TBSCR ( TBSCR_REFA | \ |
| 518 | TBSCR_REFB | \ |
| 519 | TBSCR_TBF \ |
| 520 | ) |
| 521 | |
| 522 | /*----------------------------------------------------------------------- |
| 523 | * RTCSC - Real-Time Clock Status and Control Register UM 11-27 |
| 524 | *----------------------------------------------------------------------- |
| 525 | */ |
| 526 | #define CFG_RTCSC ( RTCSC_SEC | \ |
| 527 | RTCSC_ALR | \ |
| 528 | RTCSC_RTF | \ |
| 529 | RTCSC_RTE \ |
| 530 | ) |
| 531 | |
| 532 | /*----------------------------------------------------------------------- |
| 533 | * PISCR - Periodic Interrupt Status and Control UM 11-31 |
| 534 | *----------------------------------------------------------------------- |
| 535 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
| 536 | */ |
| 537 | #define CFG_PISCR ( PISCR_PS | \ |
| 538 | PISCR_PITF \ |
| 539 | ) |
| 540 | |
| 541 | /*----------------------------------------------------------------------- |
| 542 | * PLPRCR - PLL, Low-Power, and Reset Control Register UM 15-30 |
| 543 | *----------------------------------------------------------------------- |
| 544 | * Reset PLL lock status sticky bit, timer expired status bit and timer |
| 545 | * interrupt status bit. Set MF for 1:2:1 mode. |
| 546 | */ |
| 547 | #define CFG_PLPRCR ( ((0x1 << PLPRCR_MF_SHIFT) & PLPRCR_MF_MSK) | \ |
| 548 | PLPRCR_SPLSS | \ |
| 549 | PLPRCR_TEXPS | \ |
| 550 | PLPRCR_TMIST \ |
| 551 | ) |
| 552 | |
| 553 | /*----------------------------------------------------------------------- |
| 554 | * SCCR - System Clock and reset Control Register UM 15-27 |
| 555 | *----------------------------------------------------------------------- |
| 556 | * Set clock output, timebase and RTC source and divider, |
| 557 | * power management and some other internal clocks |
| 558 | */ |
| 559 | #define SCCR_MASK SCCR_EBDF11 |
| 560 | |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 561 | #if !defined(CONFIG_SC) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 562 | #define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \ |
| 563 | SCCR_COM00 | /* full strength CLKOUT */ \ |
| 564 | SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \ |
| 565 | SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \ |
| 566 | SCCR_DFNL000 | \ |
| 567 | SCCR_DFNH000 \ |
| 568 | ) |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 569 | #else |
| 570 | #define CFG_SCCR ( SCCR_TBS | /* timebase = GCLK/2 */ \ |
| 571 | SCCR_COM00 | /* full strength CLKOUT */ \ |
| 572 | SCCR_DFSYNC00 | /* SYNCLK / 1 (normal) */ \ |
| 573 | SCCR_DFBRG00 | /* BRGCLK / 1 (normal) */ \ |
| 574 | SCCR_DFNL000 | \ |
| 575 | SCCR_DFNH000 | \ |
| 576 | SCCR_RTDIV | \ |
| 577 | SCCR_RTSEL \ |
| 578 | ) |
| 579 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 580 | |
| 581 | /*----------------------------------------------------------------------- |
| 582 | * DER - Debug Enable Register UM 37-46 |
| 583 | *----------------------------------------------------------------------- |
| 584 | * Mask all events that can cause entry into debug mode |
| 585 | */ |
| 586 | #define CFG_DER 0 |
| 587 | |
| 588 | /* |
| 589 | * Initialize Memory Controller: |
| 590 | * |
| 591 | * BR0 and OR0 (FLASH memory) |
| 592 | */ |
| 593 | #define FLASH_BASE0_PRELIM FLASH_BASE |
| 594 | |
| 595 | /* |
| 596 | * Flash address mask |
| 597 | */ |
| 598 | #define CFG_PRELIM_OR_AM 0xfe000000 |
| 599 | |
| 600 | /* |
| 601 | * FLASH timing: |
| 602 | * 33 Mhz bus with ACS = 11, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 |
| 603 | */ |
| 604 | #define CFG_OR_TIMING_FLASH ( OR_CSNT_SAM | \ |
| 605 | OR_ACS_DIV2 | \ |
| 606 | OR_BI | \ |
| 607 | OR_SCY_2_CLK | \ |
| 608 | OR_TRLX | \ |
| 609 | OR_EHTR \ |
| 610 | ) |
| 611 | |
| 612 | #define CFG_OR0_PRELIM ( CFG_PRELIM_OR_AM | \ |
| 613 | CFG_OR_TIMING_FLASH \ |
| 614 | ) |
| 615 | |
| 616 | #define CFG_BR0_PRELIM ( (FLASH_BASE0_PRELIM & BR_BA_MSK) | \ |
| 617 | BR_MS_GPCM | \ |
| 618 | BR_PS_8 | \ |
| 619 | BR_V \ |
| 620 | ) |
| 621 | |
| 622 | /* |
| 623 | * SDRAM configuration |
| 624 | */ |
| 625 | #define CFG_OR1_AM 0xfc000000 |
| 626 | #define CFG_OR1 ( (CFG_OR1_AM & OR_AM_MSK) | \ |
| 627 | OR_CSNT_SAM \ |
| 628 | ) |
| 629 | |
| 630 | #define CFG_BR1 ( (SDRAM_BASE & BR_BA_MSK) | \ |
| 631 | BR_MS_UPMA | \ |
| 632 | BR_PS_32 | \ |
| 633 | BR_V \ |
| 634 | ) |
| 635 | |
| 636 | /* |
| 637 | * Refresh rate 7.8 us (= 64 ms / 8K = 31.2 uS quad bursts) for one bank |
| 638 | * of 256 MBit SDRAM |
| 639 | */ |
| 640 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 |
| 641 | |
| 642 | /* |
| 643 | * Periodic timer for refresh @ 33 MHz system clock |
| 644 | */ |
| 645 | #define CFG_MAMR_PTA 64 |
| 646 | |
| 647 | /* |
| 648 | * MAMR settings for SDRAM |
| 649 | */ |
| 650 | #define CFG_MAMR_8COL ( (CFG_MAMR_PTA << MAMR_PTA_SHIFT) | \ |
| 651 | MAMR_PTAE | \ |
| 652 | MAMR_AMA_TYPE_1 | \ |
| 653 | MAMR_DSA_1_CYCL | \ |
| 654 | MAMR_G0CLA_A10 | \ |
| 655 | MAMR_RLFA_1X | \ |
| 656 | MAMR_WLFA_1X | \ |
| 657 | MAMR_TLFA_4X \ |
| 658 | ) |
| 659 | |
| 660 | /* |
| 661 | * CS2* configuration for Disk On Chip: |
| 662 | * 33 MHz bus with TRLX=1, ACS=11, CSNT=1, EBDF=1, SCY=2, EHTR=1, |
| 663 | * no burst. |
| 664 | */ |
| 665 | #define CFG_OR2_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ |
| 666 | OR_CSNT_SAM | \ |
| 667 | OR_ACS_DIV2 | \ |
| 668 | OR_BI | \ |
| 669 | OR_SCY_2_CLK | \ |
| 670 | OR_TRLX | \ |
| 671 | OR_EHTR \ |
| 672 | ) |
| 673 | |
| 674 | #define CFG_BR2_PRELIM ( (DOC_BASE & BR_BA_MSK) | \ |
| 675 | BR_PS_8 | \ |
| 676 | BR_MS_GPCM | \ |
| 677 | BR_V \ |
| 678 | ) |
| 679 | |
| 680 | /* |
| 681 | * CS3* configuration for FPGA: |
| 682 | * 33 MHz bus with SCY=15, no burst. |
| 683 | * The FPGA uses TA and TEA to terminate bus cycles, but we |
| 684 | * clear SETA and set the cycle length to a large number so that |
| 685 | * the cycle will still complete even if there is a configuration |
| 686 | * error that prevents TA from asserting on FPGA accesss. |
| 687 | */ |
| 688 | #define CFG_OR3_PRELIM ( (0xfc000000 & OR_AM_MSK) | \ |
| 689 | OR_SCY_15_CLK | \ |
| 690 | OR_BI \ |
| 691 | ) |
| 692 | |
| 693 | #define CFG_BR3_PRELIM ( (FPGA_BASE & BR_BA_MSK) | \ |
| 694 | BR_PS_32 | \ |
| 695 | BR_MS_GPCM | \ |
| 696 | BR_V \ |
| 697 | ) |
| 698 | /* |
| 699 | * CS4* configuration for FPGA SelectMap configuration interface. |
| 700 | * 33 MHz bus, UPMB, no burst. Do not assert GPLB5 on falling edge |
| 701 | * of GCLK1_50 |
| 702 | */ |
| 703 | #define CFG_OR4_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ |
| 704 | OR_G5LS | \ |
| 705 | OR_BI \ |
| 706 | ) |
| 707 | |
| 708 | #define CFG_BR4_PRELIM ( (SELECTMAP_BASE & BR_BA_MSK) | \ |
| 709 | BR_PS_8 | \ |
| 710 | BR_MS_UPMB | \ |
| 711 | BR_V \ |
| 712 | ) |
| 713 | |
| 714 | /* |
| 715 | * CS5* configuration for Mil-Std 1553 databus interface. |
| 716 | * 33 MHz bus, GPCM, no burst. |
| 717 | * The 1553 interface uses TA and TEA to terminate bus cycles, |
| 718 | * but we clear SETA and set the cycle length to a large number so that |
| 719 | * the cycle will still complete even if there is a configuration |
| 720 | * error that prevents TA from asserting on FPGA accesss. |
| 721 | */ |
| 722 | #define CFG_OR5_PRELIM ( (0xffff0000 & OR_AM_MSK) | \ |
| 723 | OR_SCY_15_CLK | \ |
| 724 | OR_EHTR | \ |
| 725 | OR_TRLX | \ |
| 726 | OR_CSNT_SAM | \ |
| 727 | OR_BI \ |
| 728 | ) |
| 729 | |
| 730 | #define CFG_BR5_PRELIM ( (M1553_BASE & BR_BA_MSK) | \ |
| 731 | BR_PS_16 | \ |
| 732 | BR_MS_GPCM | \ |
| 733 | BR_V \ |
| 734 | ) |
| 735 | |
| 736 | /* |
| 737 | * Boot Flags |
| 738 | */ |
| 739 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| 740 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| 741 | |
| 742 | /* |
| 743 | * Disk On Chip (millenium) configuration |
| 744 | */ |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 745 | #if !defined(CONFIG_SC) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 746 | #define CFG_MAX_DOC_DEVICE 1 |
| 747 | #undef CFG_DOC_SUPPORT_2000 |
| 748 | #define CFG_DOC_SUPPORT_MILLENNIUM |
| 749 | #undef CFG_DOC_PASSIVE_PROBE |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 750 | #endif |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 751 | |
| 752 | /* |
| 753 | * FEC interrupt assignment |
| 754 | */ |
| 755 | #define FEC_INTERRUPT SIU_LEVEL1 |
| 756 | |
| 757 | /* |
| 758 | * Sanity checks |
| 759 | */ |
| 760 | #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET) |
| 761 | #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured |
| 762 | #endif |
| 763 | |
| 764 | #endif /* __CONFIG_GEN860T_H */ |
| 765 | |
| 766 | /* vim: set ts=4 tw=78 ai shiftwidth=4: */ |