include/configs/SBC8540.h

   1 /*
   2  * (C) Copyright 2002,2003 Motorola,Inc.
   3  * Xianghua Xiao <X.Xiao@motorola.com>
   4  *
   5  * (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>.
   6  * Added support for Wind River SBC8540 board
   7  *
   8  * See file CREDITS for list of people who contributed to this
   9  * project.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; either version 2 of
  14  * the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24  * MA 02111-1307 USA
  25  */
  26
  27 /*
  28  * sbc8540 board configuration file.
  29  */
  30
  31 #ifndef __CONFIG_H
  32 #define __CONFIG_H
  33
  34 /*
  35  * Top level Makefile configuration choices
  36  */
  37 #ifdef CONFIG_MK_66
  38 #define CONFIG_PCI_66
  39 #endif
  40
  41 #define TSEC_DEBUG
  42
  43 /*
  44  * High Level Configuration Options
  45  */
  46 #define CONFIG_BOOKE            1       /* BOOKE                        */
  47 #define CONFIG_E500             1       /* BOOKE e500 family            */
  48 #define CONFIG_MPC85xx          1       /* MPC8540/MPC8560              */
  49 #define CONFIG_MPC85xx_REV1     1       /* MPC85xx Rev 1.0 chip         */
  50
  51
  52 #define CONFIG_CPM2             1       /* has CPM2 */
  53
  54 #define CONFIG_SBC8540          1       /* configuration for SBC8560 board */
  55 #define CONFIG_MPC8540          1
  56
  57 #define CONFIG_MPC8560ADS       1       /* MPC8560ADS board specific (supplement)       */
  58
  59 #define CONFIG_TSEC_ENET                /* tsec ethernet support        */
  60 #undef  CONFIG_PCI                      /* pci ethernet support         */
  61 #undef  CONFIG_ETHER_ON_FCC             /* cpm FCC ethernet support     */
  62
  63 #define CONFIG_FSL_LAW          1       /* Use common FSL init code */
  64
  65 #define CONFIG_ENV_OVERWRITE
  66
  67 /* Using Localbus SDRAM to emulate flash before we can program the flash,
  68  * normally you need a flash-boot image(u-boot.bin), if so undef this.
  69  */
  70 #undef CONFIG_RAM_AS_FLASH
  71
  72 #if defined(CONFIG_PCI_66)                      /* some PCI card is 33Mhz only  */
  73   #define CONFIG_SYS_CLK_FREQ   66000000        /* sysclk for MPC85xx           */
  74 #else
  75   #define CONFIG_SYS_CLK_FREQ   33000000        /* most pci cards are 33Mhz     */
  76 #endif
  77
  78 /* below can be toggled for performance analysis. otherwise use default */
  79 #define CONFIG_L2_CACHE                     /* toggle L2 cache          */
  80 #undef  CONFIG_BTB                          /* toggle branch predition  */
  81
  82 #define CONFIG_BOARD_EARLY_INIT_F 1         /* Call board_early_init_f  */
  83 #define CONFIG_RESET_PHY_R      1           /* Call reset_phy() */
  84
  85 #undef  CONFIG_SYS_DRAM_TEST                        /* memory test, takes time  */
  86 #define CONFIG_SYS_MEMTEST_START        0x00200000  /* memtest region */
  87 #define CONFIG_SYS_MEMTEST_END          0x00400000
  88
  89 #if (defined(CONFIG_PCI) && defined(CONFIG_TSEC_ENET) || \
  90      defined(CONFIG_PCI) && defined(CONFIG_ETHER_ON_FCC) || \
  91      defined(CONFIG_TSEC_ENET) && defined(CONFIG_ETHER_ON_FCC))
  92 #error "You can only use ONE of PCI Ethernet Card or TSEC Ethernet or CPM FCC."
  93 #endif
  94
  95 /*
  96  * Base addresses -- Note these are effective addresses where the
  97  * actual resources get mapped (not physical addresses)
  98  */
  99 #define CONFIG_SYS_CCSRBAR_DEFAULT      0xff700000      /* CCSRBAR Default      */
 100
 101 #if XXX
 102   #define CONFIG_SYS_CCSRBAR            0xfdf00000      /* relocated CCSRBAR    */
 103 #else
 104   #define CONFIG_SYS_CCSRBAR            0xff700000      /* default CCSRBAR      */
 105 #endif
 106 #define CONFIG_SYS_CCSRBAR_PHYS CONFIG_SYS_CCSRBAR      /* physical addr of CCSRBAR */
 107 #define CONFIG_SYS_IMMR         CONFIG_SYS_CCSRBAR      /* PQII uses CONFIG_SYS_IMMR    */
 108
 109 #define CONFIG_SYS_SDRAM_SIZE           512             /* DDR is 512MB */
 110
 111 /* DDR Setup */
 112 #define CONFIG_FSL_DDR1
 113 #undef CONFIG_FSL_DDR_INTERACTIVE
 114 #undef  CONFIG_DDR_ECC                          /* only for ECC DDR module      */
 115 #undef  CONFIG_SPD_EEPROM                       /* Use SPD EEPROM for DDR setup */
 116 #undef  CONFIG_DDR_SPD
 117
 118 #if defined(CONFIG_MPC85xx_REV1)
 119   #define CONFIG_DDR_DLL                        /* possible DLL fix needed      */
 120 #endif
 121
 122 #undef  CONFIG_DDR_ECC                      /* only for ECC DDR module */
 123 #undef CONFIG_ECC_INIT_VIA_DDRCONTROLLER        /* DDR controller or DMA? */
 124 #define CONFIG_MEM_INIT_VALUE   0xDeadBeef
 125
 126 #define CONFIG_SYS_DDR_SDRAM_BASE       0x00000000
 127 #define CONFIG_SYS_SDRAM_BASE           CONFIG_SYS_DDR_SDRAM_BASE
 128 #define CONFIG_VERY_BIG_RAM
 129
 130 #define CONFIG_NUM_DDR_CONTROLLERS      1
 131 #define CONFIG_DIMM_SLOTS_PER_CTLR      1
 132 #define CONFIG_CHIP_SELECTS_PER_CTRL    2
 133
 134 /* I2C addresses of SPD EEPROMs */
 135 #define SPD_EEPROM_ADDRESS      0x55    /* CTLR 0 DIMM 0 */
 136
 137 #undef CONFIG_CLOCKS_IN_MHZ
 138
 139 #if defined(CONFIG_RAM_AS_FLASH)
 140   #define CONFIG_SYS_LBC_SDRAM_BASE     0xfc000000      /* Localbus SDRAM */
 141   #define CONFIG_SYS_FLASH_BASE 0xf8000000      /* start of FLASH 8M  */
 142   #define CONFIG_SYS_BR0_PRELIM 0xf8000801      /* port size 8bit */
 143   #define CONFIG_SYS_OR0_PRELIM 0xf8000ff7      /* 8MB Flash            */
 144 #else /* Boot from real Flash */
 145   #define CONFIG_SYS_LBC_SDRAM_BASE     0xf8000000      /* Localbus SDRAM */
 146   #define CONFIG_SYS_FLASH_BASE 0xff800000      /* start of FLASH 8M    */
 147   #define CONFIG_SYS_BR0_PRELIM 0xff800801      /* port size 8bit      */
 148   #define CONFIG_SYS_OR0_PRELIM 0xff800ff7      /* 8MB Flash            */
 149 #endif
 150 #define CONFIG_SYS_LBC_SDRAM_SIZE       64              /* LBC SDRAM is 64MB    */
 151
 152 /* local bus definitions */
 153 #define CONFIG_SYS_BR1_PRELIM           0xe4001801      /* 64M, 32-bit flash */
 154 #define CONFIG_SYS_OR1_PRELIM           0xfc000ff7
 155
 156 #define CONFIG_SYS_BR2_PRELIM           0x00000000      /* CS2 not used */
 157 #define CONFIG_SYS_OR2_PRELIM           0x00000000
 158
 159 #define CONFIG_SYS_BR3_PRELIM           0xf0001861      /* 64MB localbus SDRAM  */
 160 #define CONFIG_SYS_OR3_PRELIM           0xfc000cc1
 161
 162 #if defined(CONFIG_RAM_AS_FLASH)
 163   #define CONFIG_SYS_BR4_PRELIM 0xf4001861      /* 64M localbus SDRAM */
 164 #else
 165   #define CONFIG_SYS_BR4_PRELIM 0xf8001861      /* 64M localbus SDRAM */
 166 #endif
 167 #define CONFIG_SYS_OR4_PRELIM           0xfc000cc1
 168
 169 #define CONFIG_SYS_BR5_PRELIM           0xfc000801      /* 16M CS5 misc devices */
 170 #if 1
 171   #define CONFIG_SYS_OR5_PRELIM 0xff000ff7
 172 #else
 173   #define CONFIG_SYS_OR5_PRELIM 0xff0000f0
 174 #endif
 175
 176 #define CONFIG_SYS_BR6_PRELIM           0xe0001801      /* 64M, 32-bit flash */
 177 #define CONFIG_SYS_OR6_PRELIM           0xfc000ff7
 178 #define CONFIG_SYS_LBC_LCRR             0x00030002      /* local bus freq       */
 179 #define CONFIG_SYS_LBC_LBCR             0x00000000
 180 #define CONFIG_SYS_LBC_LSRT             0x20000000
 181 #define CONFIG_SYS_LBC_MRTPR            0x20000000
 182 #define CONFIG_SYS_LBC_LSDMR_1          0x2861b723
 183 #define CONFIG_SYS_LBC_LSDMR_2          0x0861b723
 184 #define CONFIG_SYS_LBC_LSDMR_3          0x0861b723
 185 #define CONFIG_SYS_LBC_LSDMR_4          0x1861b723
 186 #define CONFIG_SYS_LBC_LSDMR_5          0x4061b723
 187
 188 /* just hijack the MOT BCSR def for SBC8560 misc devices */
 189 #define CONFIG_SYS_BCSR         ((CONFIG_SYS_BR5_PRELIM & 0xff000000)|0x00400000)
 190 /* the size of CS5 needs to be >= 16M for TLB and LAW setups */
 191
 192 #define CONFIG_SYS_INIT_RAM_LOCK        1
 193 #define CONFIG_SYS_INIT_RAM_ADDR        0x70000000      /* Initial RAM address  */
 194 #define CONFIG_SYS_INIT_RAM_END 0x4000          /* End of used area in RAM */
 195
 196 #define CONFIG_SYS_GBL_DATA_SIZE        128             /* num bytes initial data */
 197 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
 198 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 199
 200 #define CONFIG_SYS_MONITOR_LEN          (256 * 1024)    /* Reserve 256 kB for Mon */
 201 #define CONFIG_SYS_MALLOC_LEN           (128 * 1024)    /* Reserved for malloc */
 202
 203 /* Serial Port */
 204 #undef  CONFIG_CONS_ON_SCC                      /* define if console on SCC */
 205 #undef  CONFIG_CONS_NONE                        /* define if console on something else */
 206
 207 #define CONFIG_CONS_INDEX     1
 208 #undef  CONFIG_SERIAL_SOFTWARE_FIFO
 209 #define CONFIG_SYS_NS16550
 210 #define CONFIG_SYS_NS16550_SERIAL
 211 #define CONFIG_SYS_NS16550_REG_SIZE     1
 212 #if 0
 213 #define CONFIG_SYS_NS16550_CLK          1843200 /* get_bus_freq(0) */
 214 #else
 215 #define CONFIG_SYS_NS16550_CLK          264000000 /* get_bus_freq(0) */
 216 #endif
 217
 218 #define CONFIG_BAUDRATE         9600
 219
 220 #define CONFIG_SYS_BAUDRATE_TABLE  \
 221         {300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
 222
 223 #if 0
 224 #define CONFIG_SYS_NS16550_COM1 ((CONFIG_SYS_BR5_PRELIM & 0xff000000)+0x00700000)
 225 #define CONFIG_SYS_NS16550_COM2 ((CONFIG_SYS_BR5_PRELIM & 0xff000000)+0x00800000)
 226 #else
 227 /* SBC8540 uses internal COMM controller */
 228 #define CONFIG_SYS_NS16550_COM1 ((CONFIG_SYS_CCSRBAR & 0xfff00000)+0x00004500)
 229 #define CONFIG_SYS_NS16550_COM2 ((CONFIG_SYS_CCSRBAR & 0xfff00000)+0x00004600)
 230 #endif
 231
 232 /* Use the HUSH parser */
 233 #define CONFIG_SYS_HUSH_PARSER
 234 #ifdef  CONFIG_SYS_HUSH_PARSER
 235 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
 236 #endif
 237
 238 /*
 239  * I2C
 240  */
 241 #define CONFIG_FSL_I2C          /* Use FSL common I2C driver */
 242 #define CONFIG_HARD_I2C         /* I2C with hardware support*/
 243 #undef  CONFIG_SOFT_I2C                 /* I2C bit-banged */
 244 #define CONFIG_SYS_I2C_SPEED            400000  /* I2C speed and slave address  */
 245 #define CONFIG_SYS_I2C_SLAVE            0x7F
 246 #define CONFIG_SYS_I2C_NOPROBES {0x69}  /* Don't probe these addrs */
 247 #define CONFIG_SYS_I2C_OFFSET           0x3000
 248
 249 #define CONFIG_SYS_PCI_MEM_BASE 0xC0000000
 250 #define CONFIG_SYS_PCI_MEM_PHYS 0xC0000000
 251 #define CONFIG_SYS_PCI_MEM_SIZE 0x10000000
 252
 253 #if defined(CONFIG_TSEC_ENET)           /* TSEC Ethernet port */
 254
 255 #  define CONFIG_NET_MULTI      1
 256 #  define CONFIG_MPC85xx_TSEC1
 257 #  define CONFIG_MPC85xx_TSEC1_NAME     "TSEC0"
 258 #  define CONFIG_MII            1       /* MII PHY management           */
 259 #  define TSEC1_PHY_ADDR        25
 260 #  define TSEC1_PHYIDX          0
 261 /* Options are: TSEC0 */
 262 #  define CONFIG_ETHPRIME               "TSEC0"
 263
 264
 265 #elif defined(CONFIG_ETHER_ON_FCC)      /* CPM FCC Ethernet */
 266
 267   #undef  CONFIG_ETHER_NONE             /* define if ether on something else */
 268   #define CONFIG_ETHER_ON_FCC2          /* cpm FCC ethernet support     */
 269   #define CONFIG_ETHER_INDEX    2       /* which channel for ether  */
 270
 271   #if (CONFIG_ETHER_INDEX == 2)
 272     /*
 273      * - Rx-CLK is CLK13
 274      * - Tx-CLK is CLK14
 275      * - Select bus for bd/buffers
 276      * - Full duplex
 277      */
 278     #define CONFIG_SYS_CMXFCR_MASK      (CMXFCR_FC2 | CMXFCR_RF2CS_MSK | CMXFCR_TF2CS_MSK)
 279     #define CONFIG_SYS_CMXFCR_VALUE     (CMXFCR_RF2CS_CLK13 | CMXFCR_TF2CS_CLK14)
 280     #define CONFIG_SYS_CPMFCR_RAMTYPE   0
 281     #define CONFIG_SYS_FCC_PSMR (FCC_PSMR_FDE)
 282
 283   #elif (CONFIG_ETHER_INDEX == 3)
 284     /* need more definitions here for FE3 */
 285   #endif                                /* CONFIG_ETHER_INDEX */
 286
 287   #define CONFIG_MII                    /* MII PHY management */
 288   #define CONFIG_BITBANGMII             /* bit-bang MII PHY management  */
 289   /*
 290    * GPIO pins used for bit-banged MII communications
 291    */
 292   #define MDIO_PORT     2               /* Port C */
 293   #define MDIO_ACTIVE   (iop->pdir |=  0x00400000)
 294   #define MDIO_TRISTATE (iop->pdir &= ~0x00400000)
 295   #define MDIO_READ     ((iop->pdat &  0x00400000) != 0)
 296
 297   #define MDIO(bit)     if(bit) iop->pdat |=  0x00400000; \
 298                         else    iop->pdat &= ~0x00400000
 299
 300   #define MDC(bit)      if(bit) iop->pdat |=  0x00200000; \
 301                         else    iop->pdat &= ~0x00200000
 302
 303   #define MIIDELAY      udelay(1)
 304
 305 #endif
 306
 307 /*-----------------------------------------------------------------------
 308  * FLASH and environment organization
 309  */
 310
 311 #define CONFIG_SYS_FLASH_CFI            1       /* Flash is CFI conformant              */
 312 #define CONFIG_FLASH_CFI_DRIVER 1       /* Use the common driver                */
 313 #if 0
 314 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1    /* use buffered writes (20x faster)     */
 315 #define CONFIG_SYS_FLASH_PROTECTION             /* use hardware protection              */
 316 #endif
 317 #define CONFIG_SYS_MAX_FLASH_SECT       64      /* max number of sectors on one chip    */
 318 #define CONFIG_SYS_MAX_FLASH_BANKS      1       /* max number of memory banks           */
 319
 320 #undef  CONFIG_SYS_FLASH_CHECKSUM
 321 #define CONFIG_SYS_FLASH_ERASE_TOUT     200000          /* Timeout for Flash Erase (in ms)      */
 322 #define CONFIG_SYS_FLASH_WRITE_TOUT     50000           /* Timeout for Flash Write (in ms)      */
 323
 324 #define CONFIG_SYS_MONITOR_BASE TEXT_BASE       /* start of monitor     */
 325
 326 #if 0
 327 /* XXX This doesn't work and I don't want to fix it */
 328 #if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
 329   #define CONFIG_SYS_RAMBOOT
 330 #else
 331   #undef  CONFIG_SYS_RAMBOOT
 332 #endif
 333 #endif
 334
 335 /* Environment */
 336 #if !defined(CONFIG_SYS_RAMBOOT)
 337   #if defined(CONFIG_RAM_AS_FLASH)
 338     #define CONFIG_ENV_IS_NOWHERE
 339     #define CONFIG_ENV_ADDR     (CONFIG_SYS_FLASH_BASE + 0x100000)
 340     #define CONFIG_ENV_SIZE     0x2000
 341   #else
 342     #define CONFIG_ENV_IS_IN_FLASH      1
 343     #define CONFIG_ENV_SECT_SIZE        0x20000 /* 128K(one sector) for env */
 344     #define CONFIG_ENV_ADDR     (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
 345     #define CONFIG_ENV_SIZE     0x2000 /* CONFIG_ENV_SECT_SIZE */
 346   #endif
 347 #else
 348   #define CONFIG_SYS_NO_FLASH           1       /* Flash is not usable now      */
 349   #define CONFIG_ENV_IS_NOWHERE 1       /* Store ENV in memory only     */
 350   #define CONFIG_ENV_ADDR               (CONFIG_SYS_MONITOR_BASE - 0x1000)
 351   #define CONFIG_ENV_SIZE               0x2000
 352 #endif
 353
 354 #define CONFIG_BOOTARGS "root=/dev/nfs rw nfsroot=192.168.0.251:/tftpboot ip=192.168.0.105:192.168.0.251::255.255.255.0:sbc8560:eth0:off console=ttyS0,9600"
 355 /*#define CONFIG_BOOTARGS      "root=/dev/ram rw console=ttyS0,115200"*/
 356 #define CONFIG_BOOTCOMMAND      "bootm 0xff800000 0xffa00000"
 357 #define CONFIG_BOOTDELAY        5       /* -1 disable autoboot */
 358
 359 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
 360 #define CONFIG_SYS_LOADS_BAUD_CHANGE    1       /* allow baudrate change        */
 361
 362
 363 /*
 364  * BOOTP options
 365  */
 366 #define CONFIG_BOOTP_BOOTFILESIZE
 367 #define CONFIG_BOOTP_BOOTPATH
 368 #define CONFIG_BOOTP_GATEWAY
 369 #define CONFIG_BOOTP_HOSTNAME
 370
 371
 372 /*
 373  * Command line configuration.
 374  */
 375 #include <config_cmd_default.h>
 376
 377 #define CONFIG_CMD_PING
 378 #define CONFIG_CMD_I2C
 379
 380 #if defined(CONFIG_PCI)
 381     #define CONFIG_CMD_PCI
 382 #endif
 383
 384 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
 385     #define CONFIG_CMD_MII
 386 #endif
 387
 388 #if defined(CONFIG_SYS_RAMBOOT)
 389     #undef CONFIG_CMD_SAVEENV
 390     #undef CONFIG_CMD_LOADS
 391 #endif
 392
 393
 394 #undef CONFIG_WATCHDOG                  /* watchdog disabled            */
 395
 396 /*
 397  * Miscellaneous configurable options
 398  */
 399 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 400 #define CONFIG_SYS_PROMPT       "SBC8540=> " /* Monitor Command Prompt  */
 401 #if defined(CONFIG_CMD_KGDB)
 402   #define CONFIG_SYS_CBSIZE     1024            /* Console I/O Buffer Size      */
 403 #else
 404   #define CONFIG_SYS_CBSIZE     256             /* Console I/O Buffer Size      */
 405 #endif
 406 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 407 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 408 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 409 #define CONFIG_SYS_LOAD_ADDR    0x1000000       /* default load address */
 410 #define CONFIG_SYS_HZ           1000            /* decrementer freq: 1 ms ticks */
 411
 412 /*
 413  * For booting Linux, the board info and command line data
 414  * have to be in the first 8 MB of memory, since this is
 415  * the maximum mapped by the Linux kernel during initialization.
 416  */
 417 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20) /* Initial Memory map for Linux */
 418
 419 /*
 420  * Internal Definitions
 421  *
 422  * Boot Flags
 423  */
 424 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH */
 425 #define BOOTFLAG_WARM   0x02            /* Software reboot              */
 426
 427 #if defined(CONFIG_CMD_KGDB)
 428   #define CONFIG_KGDB_BAUDRATE  230400  /* speed to run kgdb serial port */
 429   #define CONFIG_KGDB_SER_INDEX 2       /* which serial port to use */
 430 #endif
 431
 432 /*Note: change below for your network setting!!! */
 433 #if defined(CONFIG_TSEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
 434 #  define CONFIG_ETHADDR        00:vv:ww:xx:yy:8a
 435 #  define CONFIG_HAS_ETH1
 436 #  define CONFIG_ETH1ADDR       00:vv:ww:xx:yy:8b
 437 #  define CONFIG_HAS_ETH2
 438 #  define CONFIG_ETH2ADDR       00:vv:ww:xx:yy:8c
 439 #endif
 440
 441 #define CONFIG_SERVERIP         YourServerIP
 442 #define CONFIG_IPADDR           YourTargetIP
 443 #define CONFIG_GATEWAYIP        YourGatewayIP
 444 #define CONFIG_NETMASK          255.255.255.0
 445 #define CONFIG_HOSTNAME         SBC8560
 446 #define CONFIG_ROOTPATH         YourRootPath
 447 #define CONFIG_BOOTFILE         YourImageName
 448
 449 #endif  /* __CONFIG_H */