include/configs/MPC8541CDS.h

   1 /*
   2  * Copyright 2004 Freescale Semiconductor.
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 /*
  24  * mpc8541cds board configuration file
  25  *
  26  * Please refer to doc/README.mpc85xxcds for more info.
  27  *
  28  */
  29 #ifndef __CONFIG_H
  30 #define __CONFIG_H
  31
  32 /* High Level Configuration Options */
  33 #define CONFIG_BOOKE            1       /* BOOKE */
  34 #define CONFIG_E500             1       /* BOOKE e500 family */
  35 #define CONFIG_MPC85xx          1       /* MPC8540/60/55/41 */
  36 #define CONFIG_CPM2             1       /* has CPM2 */
  37 #define CONFIG_MPC8541          1       /* MPC8541 specific */
  38 #define CONFIG_MPC8541CDS       1       /* MPC8541CDS board specific */
  39
  40 #define CONFIG_PCI
  41 #define CONFIG_TSEC_ENET                /* tsec ethernet support */
  42 #define CONFIG_ENV_OVERWRITE
  43
  44 #define CONFIG_FSL_LAW          1       /* Use common FSL init code */
  45
  46 #define CONFIG_FSL_VIA
  47
  48 /*
  49  * When initializing flash, if we cannot find the manufacturer ID,
  50  * assume this is the AMD flash associated with the CDS board.
  51  * This allows booting from a promjet.
  52  */
  53 #define CONFIG_ASSUME_AMD_FLASH
  54
  55 #ifndef __ASSEMBLY__
  56 extern unsigned long get_clock_freq(void);
  57 #endif
  58 #define CONFIG_SYS_CLK_FREQ     get_clock_freq() /* sysclk for MPC85xx */
  59
  60 /*
  61  * These can be toggled for performance analysis, otherwise use default.
  62  */
  63 #define CONFIG_L2_CACHE                     /* toggle L2 cache  */
  64 #define CONFIG_BTB                          /* toggle branch predition */
  65 #define CONFIG_ADDR_STREAMING               /* toggle addr streaming   */
  66
  67 #define CFG_MEMTEST_START       0x00200000      /* memtest works on */
  68 #define CFG_MEMTEST_END         0x00400000
  69
  70 /*
  71  * Base addresses -- Note these are effective addresses where the
  72  * actual resources get mapped (not physical addresses)
  73  */
  74 #define CFG_CCSRBAR_DEFAULT     0xff700000      /* CCSRBAR Default */
  75 #define CFG_CCSRBAR             0xe0000000      /* relocated CCSRBAR */
  76 #define CFG_CCSRBAR_PHYS        CFG_CCSRBAR     /* physical addr of CCSRBAR */
  77 #define CFG_IMMR                CFG_CCSRBAR     /* PQII uses CFG_IMMR */
  78
  79 /* DDR Setup */
  80 #define CONFIG_FSL_DDR1
  81 #define CONFIG_SPD_EEPROM               /* Use SPD EEPROM for DDR setup*/
  82 #define CONFIG_DDR_SPD
  83 #undef CONFIG_FSL_DDR_INTERACTIVE
  84
  85 #define CONFIG_MEM_INIT_VALUE           0xDeadBeef
  86
  87 #define CFG_DDR_SDRAM_BASE      0x00000000      /* DDR is system memory*/
  88 #define CFG_SDRAM_BASE          CFG_DDR_SDRAM_BASE
  89
  90 #define CONFIG_NUM_DDR_CONTROLLERS      1
  91 #define CONFIG_DIMM_SLOTS_PER_CTLR      1
  92 #define CONFIG_CHIP_SELECTS_PER_CTRL    (2 * CONFIG_DIMM_SLOTS_PER_CTLR)
  93
  94 /* I2C addresses of SPD EEPROMs */
  95 #define SPD_EEPROM_ADDRESS      0x51    /* CTLR 0 DIMM 0 */
  96
  97 /*
  98  * Make sure required options are set
  99  */
 100 #ifndef CONFIG_SPD_EEPROM
 101 #error ("CONFIG_SPD_EEPROM is required by MPC85555CDS")
 102 #endif
 103
 104 #undef CONFIG_CLOCKS_IN_MHZ
 105
 106 /*
 107  * Local Bus Definitions
 108  */
 109
 110 /*
 111  * FLASH on the Local Bus
 112  * Two banks, 8M each, using the CFI driver.
 113  * Boot from BR0/OR0 bank at 0xff00_0000
 114  * Alternate BR1/OR1 bank at 0xff80_0000
 115  *
 116  * BR0, BR1:
 117  *    Base address 0 = 0xff00_0000 = BR0[0:16] = 1111 1111 0000 0000 0
 118  *    Base address 1 = 0xff80_0000 = BR1[0:16] = 1111 1111 1000 0000 0
 119  *    Port Size = 16 bits = BRx[19:20] = 10
 120  *    Use GPCM = BRx[24:26] = 000
 121  *    Valid = BRx[31] = 1
 122  *
 123  * 0    4    8    12   16   20   24   28
 124  * 1111 1111 1000 0000 0001 0000 0000 0001 = ff801001    BR0
 125  * 1111 1111 0000 0000 0001 0000 0000 0001 = ff001001    BR1
 126  *
 127  * OR0, OR1:
 128  *    Addr Mask = 8M = ORx[0:16] = 1111 1111 1000 0000 0
 129  *    Reserved ORx[17:18] = 11, confusion here?
 130  *    CSNT = ORx[20] = 1
 131  *    ACS = half cycle delay = ORx[21:22] = 11
 132  *    SCY = 6 = ORx[24:27] = 0110
 133  *    TRLX = use relaxed timing = ORx[29] = 1
 134  *    EAD = use external address latch delay = OR[31] = 1
 135  *
 136  * 0    4    8    12   16   20   24   28
 137  * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    ORx
 138  */
 139
 140 #define CFG_FLASH_BASE          0xff000000      /* start of FLASH 8M */
 141
 142 #define CFG_BR0_PRELIM          0xff801001
 143 #define CFG_BR1_PRELIM          0xff001001
 144
 145 #define CFG_OR0_PRELIM          0xff806e65
 146 #define CFG_OR1_PRELIM          0xff806e65
 147
 148 #define CFG_FLASH_BANKS_LIST    {0xff800000, CFG_FLASH_BASE}
 149 #define CFG_MAX_FLASH_BANKS     2               /* number of banks */
 150 #define CFG_MAX_FLASH_SECT      128             /* sectors per device */
 151 #undef  CFG_FLASH_CHECKSUM
 152 #define CFG_FLASH_ERASE_TOUT    60000   /* Flash Erase Timeout (ms) */
 153 #define CFG_FLASH_WRITE_TOUT    500     /* Flash Write Timeout (ms) */
 154
 155 #define CFG_MONITOR_BASE        TEXT_BASE       /* start of monitor */
 156
 157 #define CONFIG_FLASH_CFI_DRIVER
 158 #define CFG_FLASH_CFI
 159 #define CFG_FLASH_EMPTY_INFO
 160
 161
 162 /*
 163  * SDRAM on the Local Bus
 164  */
 165 #define CFG_LBC_SDRAM_BASE      0xf0000000      /* Localbus SDRAM */
 166 #define CFG_LBC_SDRAM_SIZE      64              /* LBC SDRAM is 64MB */
 167
 168 /*
 169  * Base Register 2 and Option Register 2 configure SDRAM.
 170  * The SDRAM base address, CFG_LBC_SDRAM_BASE, is 0xf0000000.
 171  *
 172  * For BR2, need:
 173  *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
 174  *    port-size = 32-bits = BR2[19:20] = 11
 175  *    no parity checking = BR2[21:22] = 00
 176  *    SDRAM for MSEL = BR2[24:26] = 011
 177  *    Valid = BR[31] = 1
 178  *
 179  * 0    4    8    12   16   20   24   28
 180  * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
 181  *
 182  * FIXME: CFG_LBC_SDRAM_BASE should be masked and OR'ed into
 183  * FIXME: the top 17 bits of BR2.
 184  */
 185
 186 #define CFG_BR2_PRELIM          0xf0001861
 187
 188 /*
 189  * The SDRAM size in MB, CFG_LBC_SDRAM_SIZE, is 64.
 190  *
 191  * For OR2, need:
 192  *    64MB mask for AM, OR2[0:7] = 1111 1100
 193  *                 XAM, OR2[17:18] = 11
 194  *    9 columns OR2[19-21] = 010
 195  *    13 rows   OR2[23-25] = 100
 196  *    EAD set for extra time OR[31] = 1
 197  *
 198  * 0    4    8    12   16   20   24   28
 199  * 1111 1100 0000 0000 0110 1001 0000 0001 = fc006901
 200  */
 201
 202 #define CFG_OR2_PRELIM          0xfc006901
 203
 204 #define CFG_LBC_LCRR            0x00030004    /* LB clock ratio reg */
 205 #define CFG_LBC_LBCR            0x00000000    /* LB config reg */
 206 #define CFG_LBC_LSRT            0x20000000  /* LB sdram refresh timer */
 207 #define CFG_LBC_MRTPR           0x00000000  /* LB refresh timer prescal*/
 208
 209 /*
 210  * LSDMR masks
 211  */
 212 #define CFG_LBC_LSDMR_RFEN      (1 << (31 -  1))
 213 #define CFG_LBC_LSDMR_BSMA1516  (3 << (31 - 10))
 214 #define CFG_LBC_LSDMR_BSMA1617  (4 << (31 - 10))
 215 #define CFG_LBC_LSDMR_RFCR16    (7 << (31 - 16))
 216 #define CFG_LBC_LSDMR_PRETOACT7 (7 << (31 - 19))
 217 #define CFG_LBC_LSDMR_ACTTORW7  (7 << (31 - 22))
 218 #define CFG_LBC_LSDMR_ACTTORW6  (6 << (31 - 22))
 219 #define CFG_LBC_LSDMR_BL8       (1 << (31 - 23))
 220 #define CFG_LBC_LSDMR_WRC4      (0 << (31 - 27))
 221 #define CFG_LBC_LSDMR_CL3       (3 << (31 - 31))
 222
 223 #define CFG_LBC_LSDMR_OP_NORMAL (0 << (31 - 4))
 224 #define CFG_LBC_LSDMR_OP_ARFRSH (1 << (31 - 4))
 225 #define CFG_LBC_LSDMR_OP_SRFRSH (2 << (31 - 4))
 226 #define CFG_LBC_LSDMR_OP_MRW    (3 << (31 - 4))
 227 #define CFG_LBC_LSDMR_OP_PRECH  (4 << (31 - 4))
 228 #define CFG_LBC_LSDMR_OP_PCHALL (5 << (31 - 4))
 229 #define CFG_LBC_LSDMR_OP_ACTBNK (6 << (31 - 4))
 230 #define CFG_LBC_LSDMR_OP_RWINV  (7 << (31 - 4))
 231
 232 /*
 233  * Common settings for all Local Bus SDRAM commands.
 234  * At run time, either BSMA1516 (for CPU 1.1)
 235  *                  or BSMA1617 (for CPU 1.0) (old)
 236  * is OR'ed in too.
 237  */
 238 #define CFG_LBC_LSDMR_COMMON    ( CFG_LBC_LSDMR_RFCR16          \
 239                                 | CFG_LBC_LSDMR_PRETOACT7       \
 240                                 | CFG_LBC_LSDMR_ACTTORW7        \
 241                                 | CFG_LBC_LSDMR_BL8             \
 242                                 | CFG_LBC_LSDMR_WRC4            \
 243                                 | CFG_LBC_LSDMR_CL3             \
 244                                 | CFG_LBC_LSDMR_RFEN            \
 245                                 )
 246
 247 /*
 248  * The CADMUS registers are connected to CS3 on CDS.
 249  * The new memory map places CADMUS at 0xf8000000.
 250  *
 251  * For BR3, need:
 252  *    Base address of 0xf8000000 = BR[0:16] = 1111 1000 0000 0000 0
 253  *    port-size = 8-bits  = BR[19:20] = 01
 254  *    no parity checking  = BR[21:22] = 00
 255  *    GPMC for MSEL       = BR[24:26] = 000
 256  *    Valid               = BR[31]    = 1
 257  *
 258  * 0    4    8    12   16   20   24   28
 259  * 1111 1000 0000 0000 0000 1000 0000 0001 = f8000801
 260  *
 261  * For OR3, need:
 262  *    1 MB mask for AM,   OR[0:16]  = 1111 1111 1111 0000 0
 263  *    disable buffer ctrl OR[19]    = 0
 264  *    CSNT                OR[20]    = 1
 265  *    ACS                 OR[21:22] = 11
 266  *    XACS                OR[23]    = 1
 267  *    SCY 15 wait states  OR[24:27] = 1111      max is suboptimal but safe
 268  *    SETA                OR[28]    = 0
 269  *    TRLX                OR[29]    = 1
 270  *    EHTR                OR[30]    = 1
 271  *    EAD extra time      OR[31]    = 1
 272  *
 273  * 0    4    8    12   16   20   24   28
 274  * 1111 1111 1111 0000 0000 1111 1111 0111 = fff00ff7
 275  */
 276
 277 #define CONFIG_FSL_CADMUS
 278
 279 #define CADMUS_BASE_ADDR 0xf8000000
 280 #define CFG_BR3_PRELIM   0xf8000801
 281 #define CFG_OR3_PRELIM   0xfff00ff7
 282
 283 #define CONFIG_L1_INIT_RAM
 284 #define CFG_INIT_RAM_LOCK       1
 285 #define CFG_INIT_RAM_ADDR       0xe4010000      /* Initial RAM address */
 286 #define CFG_INIT_RAM_END        0x4000      /* End of used area in RAM */
 287
 288 #define CFG_GBL_DATA_SIZE       128         /* num bytes initial data */
 289 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 290 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
 291
 292 #define CFG_MONITOR_LEN         (256 * 1024) /* Reserve 256 kB for Mon */
 293 #define CFG_MALLOC_LEN          (128 * 1024)    /* Reserved for malloc */
 294
 295 /* Serial Port */
 296 #define CONFIG_CONS_INDEX     2
 297 #undef  CONFIG_SERIAL_SOFTWARE_FIFO
 298 #define CFG_NS16550
 299 #define CFG_NS16550_SERIAL
 300 #define CFG_NS16550_REG_SIZE    1
 301 #define CFG_NS16550_CLK         get_bus_freq(0)
 302
 303 #define CFG_BAUDRATE_TABLE  \
 304         {300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
 305
 306 #define CFG_NS16550_COM1        (CFG_CCSRBAR+0x4500)
 307 #define CFG_NS16550_COM2        (CFG_CCSRBAR+0x4600)
 308
 309 /* Use the HUSH parser */
 310 #define CFG_HUSH_PARSER
 311 #ifdef  CFG_HUSH_PARSER
 312 #define CFG_PROMPT_HUSH_PS2 "> "
 313 #endif
 314
 315 /* pass open firmware flat tree */
 316 #define CONFIG_OF_LIBFDT                1
 317 #define CONFIG_OF_BOARD_SETUP           1
 318 #define CONFIG_OF_STDOUT_VIA_ALIAS      1
 319
 320 #define CFG_64BIT_VSPRINTF      1
 321 #define CFG_64BIT_STRTOUL       1
 322
 323 /*
 324  * I2C
 325  */
 326 #define CONFIG_FSL_I2C          /* Use FSL common I2C driver */
 327 #define CONFIG_HARD_I2C         /* I2C with hardware support*/
 328 #undef  CONFIG_SOFT_I2C                 /* I2C bit-banged */
 329 #define CFG_I2C_SPEED           400000  /* I2C speed and slave address */
 330 #define CFG_I2C_SLAVE           0x7F
 331 #define CFG_I2C_NOPROBES        {0x69}  /* Don't probe these addrs */
 332 #define CFG_I2C_OFFSET          0x3000
 333
 334 /* EEPROM */
 335 #define CONFIG_ID_EEPROM
 336 #define CFG_I2C_EEPROM_CCID
 337 #define CFG_ID_EEPROM
 338 #define CFG_I2C_EEPROM_ADDR     0x57
 339 #define CFG_I2C_EEPROM_ADDR_LEN 2
 340
 341 /*
 342  * General PCI
 343  * Memory space is mapped 1-1, but I/O space must start from 0.
 344  */
 345 #define CFG_PCI1_MEM_BASE       0x80000000
 346 #define CFG_PCI1_MEM_PHYS       CFG_PCI1_MEM_BASE
 347 #define CFG_PCI1_MEM_SIZE       0x20000000      /* 512M */
 348 #define CFG_PCI1_IO_BASE        0x00000000
 349 #define CFG_PCI1_IO_PHYS        0xe2000000
 350 #define CFG_PCI1_IO_SIZE        0x100000        /* 1M */
 351
 352 #define CFG_PCI2_MEM_BASE       0xa0000000
 353 #define CFG_PCI2_MEM_PHYS       CFG_PCI2_MEM_BASE
 354 #define CFG_PCI2_MEM_SIZE       0x20000000      /* 512M */
 355 #define CFG_PCI2_IO_BASE        0x00000000
 356 #define CFG_PCI2_IO_PHYS        0xe2100000
 357 #define CFG_PCI2_IO_SIZE        0x100000        /* 1M */
 358
 359 #ifdef CONFIG_LEGACY
 360 #define BRIDGE_ID 17
 361 #define VIA_ID 2
 362 #else
 363 #define BRIDGE_ID 28
 364 #define VIA_ID 4
 365 #endif
 366
 367 #if defined(CONFIG_PCI)
 368
 369 #define CONFIG_MPC85XX_PCI2
 370 #define CONFIG_NET_MULTI
 371 #define CONFIG_PCI_PNP                  /* do pci plug-and-play */
 372
 373 #undef CONFIG_EEPRO100
 374 #undef CONFIG_TULIP
 375
 376 #undef CONFIG_PCI_SCAN_SHOW             /* show pci devices on startup */
 377 #define CFG_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */
 378
 379 #endif  /* CONFIG_PCI */
 380
 381
 382 #if defined(CONFIG_TSEC_ENET)
 383
 384 #ifndef CONFIG_NET_MULTI
 385 #define CONFIG_NET_MULTI        1
 386 #endif
 387
 388 #define CONFIG_MII              1       /* MII PHY management */
 389 #define CONFIG_TSEC1    1
 390 #define CONFIG_TSEC1_NAME       "TSEC0"
 391 #define CONFIG_TSEC2    1
 392 #define CONFIG_TSEC2_NAME       "TSEC1"
 393 #define TSEC1_PHY_ADDR          0
 394 #define TSEC2_PHY_ADDR          1
 395 #define TSEC1_PHYIDX            0
 396 #define TSEC2_PHYIDX            0
 397 #define TSEC1_FLAGS             TSEC_GIGABIT
 398 #define TSEC2_FLAGS             TSEC_GIGABIT
 399
 400 /* Options are: TSEC[0-1] */
 401 #define CONFIG_ETHPRIME         "TSEC0"
 402
 403 #endif  /* CONFIG_TSEC_ENET */
 404
 405 /*
 406  * Environment
 407  */
 408 #define CONFIG_ENV_IS_IN_FLASH  1
 409 #define CONFIG_ENV_ADDR         (CFG_MONITOR_BASE + 0x40000)
 410 #define CONFIG_ENV_SECT_SIZE    0x40000 /* 256K(one sector) for env */
 411 #define CONFIG_ENV_SIZE         0x2000
 412
 413 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download */
 414 #define CFG_LOADS_BAUD_CHANGE   1       /* allow baudrate change */
 415
 416 /*
 417  * BOOTP options
 418  */
 419 #define CONFIG_BOOTP_BOOTFILESIZE
 420 #define CONFIG_BOOTP_BOOTPATH
 421 #define CONFIG_BOOTP_GATEWAY
 422 #define CONFIG_BOOTP_HOSTNAME
 423
 424
 425 /*
 426  * Command line configuration.
 427  */
 428 #include <config_cmd_default.h>
 429
 430 #define CONFIG_CMD_PING
 431 #define CONFIG_CMD_I2C
 432 #define CONFIG_CMD_MII
 433 #define CONFIG_CMD_ELF
 434
 435 #if defined(CONFIG_PCI)
 436     #define CONFIG_CMD_PCI
 437 #endif
 438
 439
 440 #undef CONFIG_WATCHDOG                  /* watchdog disabled */
 441
 442 /*
 443  * Miscellaneous configurable options
 444  */
 445 #define CFG_LONGHELP                    /* undef to save memory */
 446 #define CONFIG_CMDLINE_EDITING          /* Command-line editing */
 447 #define CFG_LOAD_ADDR   0x2000000       /* default load address */
 448 #define CFG_PROMPT      "=> "           /* Monitor Command Prompt */
 449 #if defined(CONFIG_CMD_KGDB)
 450 #define CFG_CBSIZE      1024            /* Console I/O Buffer Size */
 451 #else
 452 #define CFG_CBSIZE      256             /* Console I/O Buffer Size */
 453 #endif
 454 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 455 #define CFG_MAXARGS     16              /* max number of command args */
 456 #define CFG_BARGSIZE    CFG_CBSIZE      /* Boot Argument Buffer Size */
 457 #define CFG_HZ          1000            /* decrementer freq: 1ms ticks */
 458
 459 /*
 460  * For booting Linux, the board info and command line data
 461  * have to be in the first 8 MB of memory, since this is
 462  * the maximum mapped by the Linux kernel during initialization.
 463  */
 464 #define CFG_BOOTMAPSZ   (8 << 20)       /* Initial Memory map for Linux*/
 465
 466 /*
 467  * Internal Definitions
 468  *
 469  * Boot Flags
 470  */
 471 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH */
 472 #define BOOTFLAG_WARM   0x02            /* Software reboot */
 473
 474 #if defined(CONFIG_CMD_KGDB)
 475 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
 476 #define CONFIG_KGDB_SER_INDEX   2       /* which serial port to use */
 477 #endif
 478
 479 /*
 480  * Environment Configuration
 481  */
 482
 483 /* The mac addresses for all ethernet interface */
 484 #if defined(CONFIG_TSEC_ENET)
 485 #define CONFIG_HAS_ETH0
 486 #define CONFIG_ETHADDR   00:E0:0C:00:00:FD
 487 #define CONFIG_HAS_ETH1
 488 #define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
 489 #define CONFIG_HAS_ETH2
 490 #define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
 491 #endif
 492
 493 #define CONFIG_IPADDR    192.168.1.253
 494
 495 #define CONFIG_HOSTNAME  unknown
 496 #define CONFIG_ROOTPATH  /nfsroot
 497 #define CONFIG_BOOTFILE  your.uImage
 498
 499 #define CONFIG_SERVERIP  192.168.1.1
 500 #define CONFIG_GATEWAYIP 192.168.1.1
 501 #define CONFIG_NETMASK   255.255.255.0
 502
 503 #define CONFIG_LOADADDR  200000   /*default location for tftp and bootm*/
 504
 505 #define CONFIG_BOOTDELAY 10       /* -1 disables auto-boot */
 506 #undef  CONFIG_BOOTARGS           /* the boot command will set bootargs*/
 507
 508 #define CONFIG_BAUDRATE 115200
 509
 510 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 511    "netdev=eth0\0"                                                      \
 512    "consoledev=ttyS1\0"                                                 \
 513    "ramdiskaddr=600000\0"                                               \
 514    "ramdiskfile=your.ramdisk.u-boot\0"                                  \
 515    "fdtaddr=400000\0"                                                   \
 516    "fdtfile=your.fdt.dtb\0"
 517
 518 #define CONFIG_NFSBOOTCOMMAND                                           \
 519    "setenv bootargs root=/dev/nfs rw "                                  \
 520       "nfsroot=$serverip:$rootpath "                                    \
 521       "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
 522       "console=$consoledev,$baudrate $othbootargs;"                     \
 523    "tftp $loadaddr $bootfile;"                                          \
 524    "tftp $fdtaddr $fdtfile;"                                            \
 525    "bootm $loadaddr - $fdtaddr"
 526
 527 #define CONFIG_RAMBOOTCOMMAND \
 528    "setenv bootargs root=/dev/ram rw "                                  \
 529       "console=$consoledev,$baudrate $othbootargs;"                     \
 530    "tftp $ramdiskaddr $ramdiskfile;"                                    \
 531    "tftp $loadaddr $bootfile;"                                          \
 532    "bootm $loadaddr $ramdiskaddr"
 533
 534 #define CONFIG_BOOTCOMMAND  CONFIG_NFSBOOTCOMMAND
 535
 536 #endif  /* __CONFIG_H */