uboot/include/configs/sbc8548.h
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   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright 2007,2009 Wind River Systems <www.windriver.com>
   4 * Copyright 2007 Embedded Specialties, Inc.
   5 * Copyright 2004, 2007 Freescale Semiconductor.
   6 */
   7
   8/*
   9 * sbc8548 board configuration file
  10 * Please refer to doc/README.sbc8548 for more info.
  11 */
  12#ifndef __CONFIG_H
  13#define __CONFIG_H
  14
  15/*
  16 * Top level Makefile configuration choices
  17 */
  18#ifdef CONFIG_PCI
  19#define CONFIG_PCI_INDIRECT_BRIDGE
  20#define CONFIG_PCI1
  21#endif
  22
  23#ifdef CONFIG_66
  24#define CONFIG_SYS_CLK_DIV 1
  25#endif
  26
  27#ifdef CONFIG_33
  28#define CONFIG_SYS_CLK_DIV 2
  29#endif
  30
  31#ifdef CONFIG_PCIE
  32#define CONFIG_PCIE1
  33#endif
  34
  35/*
  36 * High Level Configuration Options
  37 */
  38
  39/*
  40 * If you want to boot from the SODIMM flash, instead of the soldered
  41 * on flash, set this, and change JP12, SW2:8 accordingly.
  42 */
  43#undef CONFIG_SYS_ALT_BOOT
  44
  45#undef CONFIG_RIO
  46
  47#ifdef CONFIG_PCI
  48#define CONFIG_FSL_PCI_INIT             /* Use common FSL init code */
  49#define CONFIG_SYS_PCI_64BIT    1       /* enable 64-bit PCI resources */
  50#endif
  51
  52#define CONFIG_ENV_OVERWRITE
  53
  54#define CONFIG_INTERRUPTS               /* enable pci, srio, ddr interrupts */
  55
  56/*
  57 * Below assumes that CCB:SYSCLK remains unchanged at 6:1 via SW2:[1-4]
  58 */
  59#ifndef CONFIG_SYS_CLK_DIV
  60#define CONFIG_SYS_CLK_DIV      1       /* 2, if 33MHz PCI card installed */
  61#endif
  62#define CONFIG_SYS_CLK_FREQ     (66000000 / CONFIG_SYS_CLK_DIV)
  63
  64/*
  65 * These can be toggled for performance analysis, otherwise use default.
  66 */
  67#define CONFIG_L2_CACHE                 /* toggle L2 cache */
  68#define CONFIG_BTB                      /* toggle branch predition */
  69
  70/*
  71 * Only possible on E500 Version 2 or newer cores.
  72 */
  73#define CONFIG_ENABLE_36BIT_PHYS        1
  74
  75#undef  CONFIG_SYS_DRAM_TEST                    /* memory test, takes time */
  76#define CONFIG_SYS_MEMTEST_START        0x00200000      /* memtest works on */
  77#define CONFIG_SYS_MEMTEST_END          0x00400000
  78
  79#define CONFIG_SYS_CCSRBAR              0xe0000000
  80#define CONFIG_SYS_CCSRBAR_PHYS_LOW     CONFIG_SYS_CCSRBAR
  81
  82/* DDR Setup */
  83#undef CONFIG_DDR_ECC                   /* only for ECC DDR module */
  84/*
  85 * A hardware errata caused the LBC SDRAM SPD and the DDR2 SPD
  86 * to collide, meaning you couldn't reliably read either. So
  87 * physically remove the LBC PC100 SDRAM module from the board
  88 * before enabling the two SPD options below, or check that you
  89 * have the hardware fix on your board via "i2c probe" and looking
  90 * for a device at 0x53.
  91 */
  92#undef CONFIG_SPD_EEPROM                /* Use SPD EEPROM for DDR setup */
  93#undef CONFIG_DDR_SPD
  94
  95#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER       /* DDR controller or DMA? */
  96#define CONFIG_MEM_INIT_VALUE   0xDeadBeef
  97
  98#define CONFIG_SYS_DDR_SDRAM_BASE       0x00000000
  99#define CONFIG_SYS_SDRAM_BASE           CONFIG_SYS_DDR_SDRAM_BASE
 100#define CONFIG_VERY_BIG_RAM
 101
 102#define CONFIG_DIMM_SLOTS_PER_CTLR      1
 103#define CONFIG_CHIP_SELECTS_PER_CTRL    2
 104
 105/*
 106 * The hardware fix for the I2C address collision puts the DDR
 107 * SPD at 0x53, but if we are running on an older board w/o the
 108 * fix, it will still be at 0x51.  We check 0x53 1st.
 109 */
 110#define SPD_EEPROM_ADDRESS      0x51    /* CTLR 0 DIMM 0 */
 111#define ALT_SPD_EEPROM_ADDRESS  0x53    /* CTLR 0 DIMM 0 */
 112
 113/*
 114 * Make sure required options are set
 115 */
 116#ifndef CONFIG_SPD_EEPROM
 117        #define CONFIG_SYS_SDRAM_SIZE   256             /* DDR is 256MB */
 118        #define CONFIG_SYS_DDR_CONTROL  0xc300c000
 119#endif
 120
 121#undef CONFIG_CLOCKS_IN_MHZ
 122
 123/*
 124 * FLASH on the Local Bus
 125 * Two banks, one 8MB the other 64MB, using the CFI driver.
 126 * JP12+SW2.8 are used to swap CS0 and CS6, defaults are to have
 127 * CS0 the 8MB boot flash, and CS6 the 64MB flash.
 128 *
 129 *      Default:
 130 *      ec00_0000       efff_ffff       64MB SODIMM
 131 *      ff80_0000       ffff_ffff       8MB soldered flash
 132 *
 133 *      Alternate:
 134 *      ef80_0000       efff_ffff       8MB soldered flash
 135 *      fc00_0000       ffff_ffff       64MB SODIMM
 136 *
 137 * BR0_8M:
 138 *    Base address 0 = 0xff80_0000 = BR0[0:16] = 1111 1111 1000 0000 0
 139 *    Port Size = 8 bits = BRx[19:20] = 01
 140 *    Use GPCM = BRx[24:26] = 000
 141 *    Valid = BRx[31] = 1
 142 *
 143 * BR0_64M:
 144 *    Base address 0 = 0xfc00_0000 = BR0[0:16] = 1111 1100 0000 0000 0
 145 *    Port Size = 32 bits = BRx[19:20] = 11
 146 *
 147 * 0    4    8    12   16   20   24   28
 148 * 1111 1111 1000 0000 0000 1000 0000 0001 = ff800801    BR0_8M
 149 * 1111 1100 0000 0000 0001 1000 0000 0001 = fc001801    BR0_64M
 150 */
 151#define CONFIG_SYS_BR0_8M       0xff800801
 152#define CONFIG_SYS_BR0_64M      0xfc001801
 153
 154/*
 155 * BR6_8M:
 156 *    Base address 6 = 0xef80_0000 = BR6[0:16] = 1110 1111 1000 0000 0
 157 *    Port Size = 8 bits = BRx[19:20] = 01
 158 *    Use GPCM = BRx[24:26] = 000
 159 *    Valid = BRx[31] = 1
 160
 161 * BR6_64M:
 162 *    Base address 6 = 0xec00_0000 = BR6[0:16] = 1110 1100 0000 0000 0
 163 *    Port Size = 32 bits = BRx[19:20] = 11
 164 *
 165 * 0    4    8    12   16   20   24   28
 166 * 1110 1111 1000 0000 0000 1000 0000 0001 = ef800801    BR6_8M
 167 * 1110 1100 0000 0000 0001 1000 0000 0001 = ec001801    BR6_64M
 168 */
 169#define CONFIG_SYS_BR6_8M       0xef800801
 170#define CONFIG_SYS_BR6_64M      0xec001801
 171
 172/*
 173 * OR0_8M:
 174 *    Addr Mask = 8M = OR1[0:16] = 1111 1111 1000 0000 0
 175 *    XAM = OR0[17:18] = 11
 176 *    CSNT = OR0[20] = 1
 177 *    ACS = half cycle delay = OR0[21:22] = 11
 178 *    SCY = 6 = OR0[24:27] = 0110
 179 *    TRLX = use relaxed timing = OR0[29] = 1
 180 *    EAD = use external address latch delay = OR0[31] = 1
 181 *
 182 * OR0_64M:
 183 *    Addr Mask = 64M = OR1[0:16] = 1111 1100 0000 0000 0
 184 *
 185 *
 186 * 0    4    8    12   16   20   24   28
 187 * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR0_8M
 188 * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR0_64M
 189 */
 190#define CONFIG_SYS_OR0_8M       0xff806e65
 191#define CONFIG_SYS_OR0_64M      0xfc006e65
 192
 193/*
 194 * OR6_8M:
 195 *    Addr Mask = 8M = OR6[0:16] = 1111 1111 1000 0000 0
 196 *    XAM = OR6[17:18] = 11
 197 *    CSNT = OR6[20] = 1
 198 *    ACS = half cycle delay = OR6[21:22] = 11
 199 *    SCY = 6 = OR6[24:27] = 0110
 200 *    TRLX = use relaxed timing = OR6[29] = 1
 201 *    EAD = use external address latch delay = OR6[31] = 1
 202 *
 203 * OR6_64M:
 204 *    Addr Mask = 64M = OR6[0:16] = 1111 1100 0000 0000 0
 205 *
 206 * 0    4    8    12   16   20   24   28
 207 * 1111 1111 1000 0000 0110 1110 0110 0101 = ff806e65    OR6_8M
 208 * 1111 1100 0000 0000 0110 1110 0110 0101 = fc006e65    OR6_64M
 209 */
 210#define CONFIG_SYS_OR6_8M       0xff806e65
 211#define CONFIG_SYS_OR6_64M      0xfc006e65
 212
 213#ifndef CONFIG_SYS_ALT_BOOT             /* JP12 in default position */
 214#define CONFIG_SYS_BOOT_BLOCK           0xff800000      /* start of 8MB Flash */
 215#define CONFIG_SYS_ALT_FLASH            0xec000000      /* 64MB "user" flash */
 216
 217#define CONFIG_SYS_BR0_PRELIM           CONFIG_SYS_BR0_8M
 218#define CONFIG_SYS_OR0_PRELIM           CONFIG_SYS_OR0_8M
 219
 220#define CONFIG_SYS_BR6_PRELIM           CONFIG_SYS_BR6_64M
 221#define CONFIG_SYS_OR6_PRELIM           CONFIG_SYS_OR6_64M
 222#else                                   /* JP12 in alternate position */
 223#define CONFIG_SYS_BOOT_BLOCK           0xfc000000      /* start 64MB Flash */
 224#define CONFIG_SYS_ALT_FLASH            0xef800000      /* 8MB soldered flash */
 225
 226#define CONFIG_SYS_BR0_PRELIM           CONFIG_SYS_BR0_64M
 227#define CONFIG_SYS_OR0_PRELIM           CONFIG_SYS_OR0_64M
 228
 229#define CONFIG_SYS_BR6_PRELIM           CONFIG_SYS_BR6_8M
 230#define CONFIG_SYS_OR6_PRELIM           CONFIG_SYS_OR6_8M
 231#endif
 232
 233#define CONFIG_SYS_FLASH_BASE           CONFIG_SYS_BOOT_BLOCK
 234#define CONFIG_SYS_FLASH_BANKS_LIST     {CONFIG_SYS_FLASH_BASE, \
 235                                         CONFIG_SYS_ALT_FLASH}
 236#define CONFIG_SYS_MAX_FLASH_BANKS      2               /* number of banks */
 237#define CONFIG_SYS_MAX_FLASH_SECT       256             /* sectors per device */
 238#undef  CONFIG_SYS_FLASH_CHECKSUM
 239#define CONFIG_SYS_FLASH_ERASE_TOUT     60000   /* Flash Erase Timeout (ms) */
 240#define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Flash Write Timeout (ms) */
 241
 242#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE    /* start of monitor */
 243
 244#define CONFIG_SYS_FLASH_EMPTY_INFO
 245
 246/* CS5 = Local bus peripherals controlled by the EPLD */
 247
 248#define CONFIG_SYS_BR5_PRELIM           0xf8000801
 249#define CONFIG_SYS_OR5_PRELIM           0xff006e65
 250#define CONFIG_SYS_EPLD_BASE            0xf8000000
 251#define CONFIG_SYS_LED_DISP_BASE        0xf8000000
 252#define CONFIG_SYS_USER_SWITCHES_BASE   0xf8100000
 253#define CONFIG_SYS_BD_REV               0xf8300000
 254#define CONFIG_SYS_EEPROM_BASE          0xf8b00000
 255
 256/*
 257 * SDRAM on the Local Bus (CS3 and CS4)
 258 * Note that most boards have a hardware errata where both the
 259 * LBC SDRAM and the DDR2 SDRAM decode at 0x51, making it impossible
 260 * to use CONFIG_DDR_SPD unless you physically remove the LBC DIMM.
 261 * A hardware workaround is also available, see README.sbc8548 file.
 262 */
 263#define CONFIG_SYS_LBC_SDRAM_BASE       0xf0000000      /* Localbus SDRAM */
 264#define CONFIG_SYS_LBC_SDRAM_SIZE       128             /* LBC SDRAM is 128MB */
 265
 266/*
 267 * Base Register 3 and Option Register 3 configure the 1st 1/2 SDRAM.
 268 * The SDRAM base address, CONFIG_SYS_LBC_SDRAM_BASE, is 0xf0000000.
 269 *
 270 * For BR3, need:
 271 *    Base address of 0xf0000000 = BR[0:16] = 1111 0000 0000 0000 0
 272 *    port-size = 32-bits = BR2[19:20] = 11
 273 *    no parity checking = BR2[21:22] = 00
 274 *    SDRAM for MSEL = BR2[24:26] = 011
 275 *    Valid = BR[31] = 1
 276 *
 277 * 0    4    8    12   16   20   24   28
 278 * 1111 0000 0000 0000 0001 1000 0110 0001 = f0001861
 279 *
 280 */
 281
 282#define CONFIG_SYS_BR3_PRELIM           0xf0001861
 283
 284/*
 285 * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
 286 *
 287 * For OR3, need:
 288 *    64MB mask for AM, OR3[0:7] = 1111 1100
 289 *                 XAM, OR3[17:18] = 11
 290 *    10 columns OR3[19-21] = 011
 291 *    12 rows   OR3[23-25] = 011
 292 *    EAD set for extra time OR[31] = 0
 293 *
 294 * 0    4    8    12   16   20   24   28
 295 * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
 296 */
 297
 298#define CONFIG_SYS_OR3_PRELIM           0xfc006cc0
 299
 300/*
 301 * Base Register 4 and Option Register 4 configure the 2nd 1/2 SDRAM.
 302 * The base address, (SDRAM_BASE + 1/2*SIZE), is 0xf4000000.
 303 *
 304 * For BR4, need:
 305 *    Base address of 0xf4000000 = BR[0:16] = 1111 0100 0000 0000 0
 306 *    port-size = 32-bits = BR2[19:20] = 11
 307 *    no parity checking = BR2[21:22] = 00
 308 *    SDRAM for MSEL = BR2[24:26] = 011
 309 *    Valid = BR[31] = 1
 310 *
 311 * 0    4    8    12   16   20   24   28
 312 * 1111 0000 0000 0000 0001 1000 0110 0001 = f4001861
 313 *
 314 */
 315
 316#define CONFIG_SYS_BR4_PRELIM           0xf4001861
 317
 318/*
 319 * The SDRAM size in MB, of 1/2 CONFIG_SYS_LBC_SDRAM_SIZE, is 64.
 320 *
 321 * For OR4, need:
 322 *    64MB mask for AM, OR3[0:7] = 1111 1100
 323 *                 XAM, OR3[17:18] = 11
 324 *    10 columns OR3[19-21] = 011
 325 *    12 rows   OR3[23-25] = 011
 326 *    EAD set for extra time OR[31] = 0
 327 *
 328 * 0    4    8    12   16   20   24   28
 329 * 1111 1100 0000 0000 0110 1100 1100 0000 = fc006cc0
 330 */
 331
 332#define CONFIG_SYS_OR4_PRELIM           0xfc006cc0
 333
 334#define CONFIG_SYS_LBC_LCRR             0x00000002    /* LB clock ratio reg */
 335#define CONFIG_SYS_LBC_LBCR             0x00000000    /* LB config reg */
 336#define CONFIG_SYS_LBC_LSRT             0x20000000  /* LB sdram refresh timer */
 337#define CONFIG_SYS_LBC_MRTPR            0x00000000  /* LB refresh timer prescal*/
 338
 339/*
 340 * Common settings for all Local Bus SDRAM commands.
 341 */
 342#define CONFIG_SYS_LBC_LSDMR_COMMON     ( LSDMR_RFCR16          \
 343                                | LSDMR_BSMA1516        \
 344                                | LSDMR_PRETOACT3       \
 345                                | LSDMR_ACTTORW3        \
 346                                | LSDMR_BUFCMD          \
 347                                | LSDMR_BL8             \
 348                                | LSDMR_WRC2            \
 349                                | LSDMR_CL3             \
 350                                )
 351
 352#define CONFIG_SYS_LBC_LSDMR_PCHALL     \
 353         (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_PCHALL)
 354#define CONFIG_SYS_LBC_LSDMR_ARFRSH     \
 355         (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_ARFRSH)
 356#define CONFIG_SYS_LBC_LSDMR_MRW        \
 357         (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_OP_MRW)
 358#define CONFIG_SYS_LBC_LSDMR_RFEN       \
 359         (CONFIG_SYS_LBC_LSDMR_COMMON | LSDMR_RFEN)
 360
 361#define CONFIG_SYS_INIT_RAM_LOCK        1
 362#define CONFIG_SYS_INIT_RAM_ADDR        0xe4010000      /* Initial RAM address */
 363#define CONFIG_SYS_INIT_RAM_SIZE        0x4000          /* Size of used area in RAM */
 364
 365#define CONFIG_SYS_INIT_L2_ADDR 0xf8f80000      /* relocate boot L2SRAM */
 366
 367#define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 368#define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 369
 370/*
 371 * For soldered on flash, (128kB/sector) we use 2 sectors for u-boot and
 372 * one for env+bootpg (CONFIG_SYS_TEXT_BASE=0xfffa_0000, 384kB total).  For SODIMM
 373 * flash (512kB/sector) we use 1 sector for u-boot, and one for env+bootpg
 374 * (CONFIG_SYS_TEXT_BASE=0xfff0_0000, 1MB total).  This dynamically sets the right
 375 * thing for MONITOR_LEN in both cases.
 376 */
 377#define CONFIG_SYS_MONITOR_LEN          (~CONFIG_SYS_TEXT_BASE + 1)
 378#define CONFIG_SYS_MALLOC_LEN           (1024 * 1024) /* Reserved for malloc */
 379
 380/* Serial Port */
 381#define CONFIG_SYS_NS16550_SERIAL
 382#define CONFIG_SYS_NS16550_REG_SIZE     1
 383#define CONFIG_SYS_NS16550_CLK          (400000000 / CONFIG_SYS_CLK_DIV)
 384
 385#define CONFIG_SYS_BAUDRATE_TABLE \
 386        {300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
 387
 388#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_CCSRBAR+0x4500)
 389#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_CCSRBAR+0x4600)
 390
 391/*
 392 * I2C
 393 */
 394#define CONFIG_SYS_I2C
 395#define CONFIG_SYS_I2C_FSL
 396#define CONFIG_SYS_FSL_I2C_SPEED        400000
 397#define CONFIG_SYS_FSL_I2C_SLAVE        0x7F
 398#define CONFIG_SYS_FSL_I2C_OFFSET       0x3000
 399#define CONFIG_SYS_I2C_EEPROM_ADDR      0x50
 400
 401/*
 402 * General PCI
 403 * Memory space is mapped 1-1, but I/O space must start from 0.
 404 */
 405#define CONFIG_SYS_PCI_VIRT             0x80000000      /* 1G PCI TLB */
 406#define CONFIG_SYS_PCI_PHYS             0x80000000      /* 1G PCI TLB */
 407
 408#define CONFIG_SYS_PCI1_MEM_VIRT        0x80000000
 409#define CONFIG_SYS_PCI1_MEM_BUS         0x80000000
 410#define CONFIG_SYS_PCI1_MEM_PHYS        0x80000000
 411#define CONFIG_SYS_PCI1_MEM_SIZE        0x20000000      /* 512M */
 412#define CONFIG_SYS_PCI1_IO_VIRT         0xe2000000
 413#define CONFIG_SYS_PCI1_IO_BUS          0x00000000
 414#define CONFIG_SYS_PCI1_IO_PHYS         0xe2000000
 415#define CONFIG_SYS_PCI1_IO_SIZE         0x00800000      /* 8M */
 416
 417#ifdef CONFIG_PCIE1
 418#define CONFIG_SYS_PCIE1_MEM_VIRT       0xa0000000
 419#define CONFIG_SYS_PCIE1_MEM_BUS        0xa0000000
 420#define CONFIG_SYS_PCIE1_MEM_PHYS       0xa0000000
 421#define CONFIG_SYS_PCIE1_MEM_SIZE       0x20000000      /* 512M */
 422#define CONFIG_SYS_PCIE1_IO_VIRT        0xe2800000
 423#define CONFIG_SYS_PCIE1_IO_BUS         0x00000000
 424#define CONFIG_SYS_PCIE1_IO_PHYS        0xe2800000
 425#define CONFIG_SYS_PCIE1_IO_SIZE        0x00800000      /* 8M */
 426#endif
 427
 428#ifdef CONFIG_RIO
 429/*
 430 * RapidIO MMU
 431 */
 432#define CONFIG_SYS_RIO_MEM_BASE 0xC0000000
 433#define CONFIG_SYS_RIO_MEM_SIZE 0x20000000      /* 512M */
 434#endif
 435
 436#if defined(CONFIG_PCI)
 437#undef CONFIG_EEPRO100
 438#undef CONFIG_TULIP
 439
 440#define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup */
 441
 442#endif  /* CONFIG_PCI */
 443
 444#if defined(CONFIG_TSEC_ENET)
 445
 446#define CONFIG_TSEC1    1
 447#define CONFIG_TSEC1_NAME       "eTSEC0"
 448#define CONFIG_TSEC2    1
 449#define CONFIG_TSEC2_NAME       "eTSEC1"
 450#undef CONFIG_MPC85XX_FEC
 451
 452#define TSEC1_PHY_ADDR          0x19
 453#define TSEC2_PHY_ADDR          0x1a
 454
 455#define TSEC1_PHYIDX            0
 456#define TSEC2_PHYIDX            0
 457
 458#define TSEC1_FLAGS             TSEC_GIGABIT
 459#define TSEC2_FLAGS             TSEC_GIGABIT
 460
 461/* Options are: eTSEC[0-3] */
 462#define CONFIG_ETHPRIME         "eTSEC0"
 463#endif  /* CONFIG_TSEC_ENET */
 464
 465#define CONFIG_LOADS_ECHO       1       /* echo on for serial download */
 466#define CONFIG_SYS_LOADS_BAUD_CHANGE    1       /* allow baudrate change */
 467
 468/*
 469 * BOOTP options
 470 */
 471#define CONFIG_BOOTP_BOOTFILESIZE
 472
 473#undef CONFIG_WATCHDOG                  /* watchdog disabled */
 474
 475/*
 476 * Miscellaneous configurable options
 477 */
 478#define CONFIG_SYS_LOAD_ADDR    0x2000000       /* default load address */
 479
 480/*
 481 * For booting Linux, the board info and command line data
 482 * have to be in the first 8 MB of memory, since this is
 483 * the maximum mapped by the Linux kernel during initialization.
 484 */
 485#define CONFIG_SYS_BOOTMAPSZ    (8 << 20)       /* Initial Memory map for Linux*/
 486
 487#if defined(CONFIG_CMD_KGDB)
 488#define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port */
 489#endif
 490
 491/*
 492 * Environment Configuration
 493 */
 494#if defined(CONFIG_TSEC_ENET)
 495#define CONFIG_HAS_ETH0
 496#define CONFIG_HAS_ETH1
 497#endif
 498
 499#define CONFIG_IPADDR    192.168.0.55
 500
 501#define CONFIG_HOSTNAME  "sbc8548"
 502#define CONFIG_ROOTPATH  "/opt/eldk/ppc_85xx"
 503#define CONFIG_BOOTFILE  "/uImage"
 504#define CONFIG_UBOOTPATH /u-boot.bin    /* TFTP server */
 505
 506#define CONFIG_SERVERIP  192.168.0.2
 507#define CONFIG_GATEWAYIP 192.168.0.1
 508#define CONFIG_NETMASK   255.255.255.0
 509
 510#define CONFIG_LOADADDR 1000000 /*default location for tftp and bootm*/
 511
 512#define CONFIG_EXTRA_ENV_SETTINGS                               \
 513"netdev=eth0\0"                                         \
 514"uboot=" __stringify(CONFIG_UBOOTPATH) "\0"                             \
 515"tftpflash=tftpboot $loadaddr $uboot; "                 \
 516        "protect off " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; " \
 517        "erase " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; "      \
 518        "cp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize; " \
 519        "protect on " __stringify(CONFIG_SYS_TEXT_BASE) " +$filesize; " \
 520        "cmp.b $loadaddr " __stringify(CONFIG_SYS_TEXT_BASE) " $filesize\0" \
 521"consoledev=ttyS0\0"                            \
 522"ramdiskaddr=2000000\0"                 \
 523"ramdiskfile=uRamdisk\0"                        \
 524"fdtaddr=1e00000\0"                             \
 525"fdtfile=sbc8548.dtb\0"
 526
 527#define CONFIG_NFSBOOTCOMMAND                                           \
 528   "setenv bootargs root=/dev/nfs rw "                                  \
 529      "nfsroot=$serverip:$rootpath "                                    \
 530      "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \
 531      "console=$consoledev,$baudrate $othbootargs;"                     \
 532   "tftp $loadaddr $bootfile;"                                          \
 533   "tftp $fdtaddr $fdtfile;"                                            \
 534   "bootm $loadaddr - $fdtaddr"
 535
 536#define CONFIG_RAMBOOTCOMMAND \
 537   "setenv bootargs root=/dev/ram rw "                                  \
 538      "console=$consoledev,$baudrate $othbootargs;"                     \
 539   "tftp $ramdiskaddr $ramdiskfile;"                                    \
 540   "tftp $loadaddr $bootfile;"                                          \
 541   "tftp $fdtaddr $fdtfile;"                                            \
 542   "bootm $loadaddr $ramdiskaddr $fdtaddr"
 543
 544#define CONFIG_BOOTCOMMAND      CONFIG_RAMBOOTCOMMAND
 545
 546#endif  /* __CONFIG_H */
 547