lib_ppc/board.c

   1 /*
   2  * (C) Copyright 2000-2006
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <watchdog.h>
  26 #include <command.h>
  27 #include <malloc.h>
  28 #include <devices.h>
  29 #ifdef CONFIG_8xx
  30 #include <mpc8xx.h>
  31 #endif
  32 #ifdef CONFIG_5xx
  33 #include <mpc5xx.h>
  34 #endif
  35 #ifdef CONFIG_MPC5xxx
  36 #include <mpc5xxx.h>
  37 #endif
  38 #if defined(CONFIG_CMD_IDE)
  39 #include <ide.h>
  40 #endif
  41 #if defined(CONFIG_CMD_SATA)
  42 #include <sata.h>
  43 #endif
  44 #if defined(CONFIG_CMD_SCSI)
  45 #include <scsi.h>
  46 #endif
  47 #if defined(CONFIG_CMD_KGDB)
  48 #include <kgdb.h>
  49 #endif
  50 #ifdef CONFIG_STATUS_LED
  51 #include <status_led.h>
  52 #endif
  53 #include <net.h>
  54 #include <serial.h>
  55 #ifdef CFG_ALLOC_DPRAM
  56 #if !defined(CONFIG_CPM2)
  57 #include <commproc.h>
  58 #endif
  59 #endif
  60 #include <version.h>
  61 #if defined(CONFIG_BAB7xx)
  62 #include <w83c553f.h>
  63 #endif
  64 #include <dtt.h>
  65 #if defined(CONFIG_POST)
  66 #include <post.h>
  67 #endif
  68 #if defined(CONFIG_LOGBUFFER)
  69 #include <logbuff.h>
  70 #endif
  71 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
  72 #include <asm/cache.h>
  73 #endif
  74 #ifdef CONFIG_PS2KBD
  75 #include <keyboard.h>
  76 #endif
  77
  78 #ifdef CFG_UPDATE_FLASH_SIZE
  79 extern int update_flash_size (int flash_size);
  80 #endif
  81
  82 #if defined(CONFIG_SC3)
  83 extern void sc3_read_eeprom(void);
  84 #endif
  85
  86 #if defined(CONFIG_CMD_DOC)
  87 void doc_init (void);
  88 #endif
  89 #if defined(CONFIG_HARD_I2C) || \
  90     defined(CONFIG_SOFT_I2C)
  91 #include <i2c.h>
  92 #endif
  93 #if defined(CONFIG_HARD_SPI)
  94 #include <spi.h>
  95 #endif
  96 #if defined(CONFIG_CMD_NAND)
  97 void nand_init (void);
  98 #endif
  99
 100 static char *failed = "*** failed ***\n";
 101
 102 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
 103 extern flash_info_t flash_info[];
 104 #endif
 105
 106 #if defined(CONFIG_START_IDE)
 107 extern int board_start_ide(void);
 108 #endif
 109 #include <environment.h>
 110
 111 DECLARE_GLOBAL_DATA_PTR;
 112
 113 #if defined(CFG_ENV_IS_EMBEDDED)
 114 #define TOTAL_MALLOC_LEN        CFG_MALLOC_LEN
 115 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
 116         (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
 117       defined(CFG_ENV_IS_IN_NVRAM)
 118 #define TOTAL_MALLOC_LEN        (CFG_MALLOC_LEN + CFG_ENV_SIZE)
 119 #else
 120 #define TOTAL_MALLOC_LEN        CFG_MALLOC_LEN
 121 #endif
 122
 123 #if !defined(CFG_MEM_TOP_HIDE)
 124 #define CFG_MEM_TOP_HIDE        0
 125 #endif
 126
 127 extern ulong _start;
 128 extern ulong __init_end;
 129 extern ulong _end;
 130 ulong monitor_flash_len;
 131
 132 #if defined(CONFIG_CMD_BEDBUG)
 133 #include <bedbug/type.h>
 134 #endif
 135
 136 /*
 137  * Begin and End of memory area for malloc(), and current "brk"
 138  */
 139 static  ulong   mem_malloc_start = 0;
 140 static  ulong   mem_malloc_end   = 0;
 141 static  ulong   mem_malloc_brk   = 0;
 142
 143 /************************************************************************
 144  * Utilities                                                            *
 145  ************************************************************************
 146  */
 147
 148 /*
 149  * The Malloc area is immediately below the monitor copy in DRAM
 150  */
 151 static void mem_malloc_init (void)
 152 {
 153 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
 154         mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
 155 #endif
 156         mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
 157         mem_malloc_brk = mem_malloc_start;
 158
 159         memset ((void *) mem_malloc_start,
 160                 0,
 161                 mem_malloc_end - mem_malloc_start);
 162 }
 163
 164 void *sbrk (ptrdiff_t increment)
 165 {
 166         ulong old = mem_malloc_brk;
 167         ulong new = old + increment;
 168
 169         if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
 170                 return (NULL);
 171         }
 172         mem_malloc_brk = new;
 173         return ((void *) old);
 174 }
 175
 176 char *strmhz (char *buf, long hz)
 177 {
 178         long l, n;
 179         long m;
 180
 181         n = hz / 1000000L;
 182         l = sprintf (buf, "%ld", n);
 183         m = (hz % 1000000L) / 1000L;
 184         if (m != 0)
 185                 sprintf (buf + l, ".%03ld", m);
 186         return (buf);
 187 }
 188
 189 /*
 190  * All attempts to come up with a "common" initialization sequence
 191  * that works for all boards and architectures failed: some of the
 192  * requirements are just _too_ different. To get rid of the resulting
 193  * mess of board dependend #ifdef'ed code we now make the whole
 194  * initialization sequence configurable to the user.
 195  *
 196  * The requirements for any new initalization function is simple: it
 197  * receives a pointer to the "global data" structure as it's only
 198  * argument, and returns an integer return code, where 0 means
 199  * "continue" and != 0 means "fatal error, hang the system".
 200  */
 201 typedef int (init_fnc_t) (void);
 202
 203 /************************************************************************
 204  * Init Utilities                                                       *
 205  ************************************************************************
 206  * Some of this code should be moved into the core functions,
 207  * but let's get it working (again) first...
 208  */
 209
 210 static int init_baudrate (void)
 211 {
 212         char tmp[64];   /* long enough for environment variables */
 213         int i = getenv_r ("baudrate", tmp, sizeof (tmp));
 214
 215         gd->baudrate = (i > 0)
 216                         ? (int) simple_strtoul (tmp, NULL, 10)
 217                         : CONFIG_BAUDRATE;
 218         return (0);
 219 }
 220
 221 /***********************************************************************/
 222
 223 void __board_add_ram_info(int use_default)
 224 {
 225         /* please define platform specific board_add_ram_info() */
 226 }
 227 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
 228
 229
 230 static int init_func_ram (void)
 231 {
 232 #ifdef  CONFIG_BOARD_TYPES
 233         int board_type = gd->board_type;
 234 #else
 235         int board_type = 0;     /* use dummy arg */
 236 #endif
 237         puts ("DRAM:  ");
 238
 239         if ((gd->ram_size = initdram (board_type)) > 0) {
 240                 print_size (gd->ram_size, "");
 241                 board_add_ram_info(0);
 242                 putc('\n');
 243                 return (0);
 244         }
 245         puts (failed);
 246         return (1);
 247 }
 248
 249 /***********************************************************************/
 250
 251 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
 252 static int init_func_i2c (void)
 253 {
 254         puts ("I2C:   ");
 255         i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
 256         puts ("ready\n");
 257         return (0);
 258 }
 259 #endif
 260
 261 #if defined(CONFIG_HARD_SPI)
 262 static int init_func_spi (void)
 263 {
 264         puts ("SPI:   ");
 265         spi_init ();
 266         puts ("ready\n");
 267         return (0);
 268 }
 269 #endif
 270
 271 /***********************************************************************/
 272
 273 #if defined(CONFIG_WATCHDOG)
 274 static int init_func_watchdog_init (void)
 275 {
 276         puts ("       Watchdog enabled\n");
 277         WATCHDOG_RESET ();
 278         return (0);
 279 }
 280 # define INIT_FUNC_WATCHDOG_INIT        init_func_watchdog_init,
 281
 282 static int init_func_watchdog_reset (void)
 283 {
 284         WATCHDOG_RESET ();
 285         return (0);
 286 }
 287 # define INIT_FUNC_WATCHDOG_RESET       init_func_watchdog_reset,
 288 #else
 289 # define INIT_FUNC_WATCHDOG_INIT        /* undef */
 290 # define INIT_FUNC_WATCHDOG_RESET       /* undef */
 291 #endif /* CONFIG_WATCHDOG */
 292
 293 /************************************************************************
 294  * Initialization sequence                                              *
 295  ************************************************************************
 296  */
 297
 298 init_fnc_t *init_sequence[] = {
 299
 300 #if defined(CONFIG_BOARD_EARLY_INIT_F)
 301         board_early_init_f,
 302 #endif
 303
 304 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
 305         get_clocks,             /* get CPU and bus clocks (etc.) */
 306 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
 307     && !defined(CONFIG_TQM885D)
 308         adjust_sdram_tbs_8xx,
 309 #endif
 310         init_timebase,
 311 #endif
 312 #ifdef CFG_ALLOC_DPRAM
 313 #if !defined(CONFIG_CPM2)
 314         dpram_init,
 315 #endif
 316 #endif
 317 #if defined(CONFIG_BOARD_POSTCLK_INIT)
 318         board_postclk_init,
 319 #endif
 320         env_init,
 321 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
 322         get_clocks_866,         /* get CPU and bus clocks according to the environment variable */
 323         sdram_adjust_866,       /* adjust sdram refresh rate according to the new clock */
 324         init_timebase,
 325 #endif
 326         init_baudrate,
 327         serial_init,
 328         console_init_f,
 329         display_options,
 330 #if defined(CONFIG_8260)
 331         prt_8260_rsr,
 332         prt_8260_clks,
 333 #endif /* CONFIG_8260 */
 334 #if defined(CONFIG_MPC83XX)
 335         prt_83xx_rsr,
 336 #endif
 337         checkcpu,
 338 #if defined(CONFIG_MPC5xxx)
 339         prt_mpc5xxx_clks,
 340 #endif /* CONFIG_MPC5xxx */
 341 #if defined(CONFIG_MPC8220)
 342         prt_mpc8220_clks,
 343 #endif
 344         checkboard,
 345         INIT_FUNC_WATCHDOG_INIT
 346 #if defined(CONFIG_MISC_INIT_F)
 347         misc_init_f,
 348 #endif
 349         INIT_FUNC_WATCHDOG_RESET
 350 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
 351         init_func_i2c,
 352 #endif
 353 #if defined(CONFIG_HARD_SPI)
 354         init_func_spi,
 355 #endif
 356 #if defined(CONFIG_DTT)         /* Digital Thermometers and Thermostats */
 357         dtt_init,
 358 #endif
 359 #ifdef CONFIG_POST
 360         post_init_f,
 361 #endif
 362         INIT_FUNC_WATCHDOG_RESET
 363         init_func_ram,
 364 #if defined(CFG_DRAM_TEST)
 365         testdram,
 366 #endif /* CFG_DRAM_TEST */
 367         INIT_FUNC_WATCHDOG_RESET
 368
 369         NULL,                   /* Terminate this list */
 370 };
 371
 372 #ifndef CONFIG_MAX_MEM_MAPPED
 373 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
 374 #endif
 375 ulong get_effective_memsize(void)
 376 {
 377 #ifndef CONFIG_VERY_BIG_RAM
 378         return gd->ram_size;
 379 #else
 380         /* limit stack to what we can reasonable map */
 381         return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
 382                  CONFIG_MAX_MEM_MAPPED : gd->ram_size);
 383 #endif
 384 }
 385
 386 /************************************************************************
 387  *
 388  * This is the first part of the initialization sequence that is
 389  * implemented in C, but still running from ROM.
 390  *
 391  * The main purpose is to provide a (serial) console interface as
 392  * soon as possible (so we can see any error messages), and to
 393  * initialize the RAM so that we can relocate the monitor code to
 394  * RAM.
 395  *
 396  * Be aware of the restrictions: global data is read-only, BSS is not
 397  * initialized, and stack space is limited to a few kB.
 398  *
 399  ************************************************************************
 400  */
 401
 402 void board_init_f (ulong bootflag)
 403 {
 404         bd_t *bd;
 405         ulong len, addr, addr_sp;
 406         ulong *s;
 407         gd_t *id;
 408         init_fnc_t **init_fnc_ptr;
 409 #ifdef CONFIG_PRAM
 410         int i;
 411         ulong reg;
 412         uchar tmp[64];          /* long enough for environment variables */
 413 #endif
 414
 415         /* Pointer is writable since we allocated a register for it */
 416         gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
 417         /* compiler optimization barrier needed for GCC >= 3.4 */
 418         __asm__ __volatile__("": : :"memory");
 419
 420 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
 421         /* Clear initial global data */
 422         memset ((void *) gd, 0, sizeof (gd_t));
 423 #endif
 424
 425         for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
 426                 if ((*init_fnc_ptr) () != 0) {
 427                         hang ();
 428                 }
 429         }
 430
 431         /*
 432          * Now that we have DRAM mapped and working, we can
 433          * relocate the code and continue running from DRAM.
 434          *
 435          * Reserve memory at end of RAM for (top down in that order):
 436          *  - area that won't get touched by U-Boot and Linux (optional)
 437          *  - kernel log buffer
 438          *  - protected RAM
 439          *  - LCD framebuffer
 440          *  - monitor code
 441          *  - board info struct
 442          */
 443         len = (ulong)&_end - (ulong)&_start + EXC_OFF_SYS_RESET;
 444
 445         /*
 446          * Subtract specified amount of memory to hide so that it won't
 447          * get "touched" at all by U-Boot. By fixing up gd->ram_size
 448          * the Linux kernel should now get passed the now "corrected"
 449          * memory size and won't touch it either. This should work
 450          * for arch/ppc and arch/powerpc. Only Linux board ports in
 451          * arch/powerpc with bootwrapper support, that recalculate the
 452          * memory size from the SDRAM controller setup will have to
 453          * get fixed.
 454          */
 455         gd->ram_size -= CFG_MEM_TOP_HIDE;
 456
 457 #ifndef CONFIG_MAX_MEM_MAPPED
 458 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
 459 #endif
 460
 461 #ifndef CONFIG_VERY_BIG_RAM
 462         addr = CFG_SDRAM_BASE + get_effective_memsize();
 463 #else
 464         /* only allow stack below 256M */
 465         addr = CFG_SDRAM_BASE +
 466                 (gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
 467                 CONFIG_MAX_MEM_MAPPED : get_effective_memsize();
 468 #endif
 469
 470 #ifdef CONFIG_LOGBUFFER
 471 #ifndef CONFIG_ALT_LB_ADDR
 472         /* reserve kernel log buffer */
 473         addr -= (LOGBUFF_RESERVE);
 474         debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
 475 #endif
 476 #endif
 477
 478 #ifdef CONFIG_PRAM
 479         /*
 480          * reserve protected RAM
 481          */
 482         i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
 483         reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
 484         addr -= (reg << 10);            /* size is in kB */
 485         debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
 486 #endif /* CONFIG_PRAM */
 487
 488         /* round down to next 4 kB limit */
 489         addr &= ~(4096 - 1);
 490         debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
 491
 492 #ifdef CONFIG_LCD
 493         /* reserve memory for LCD display (always full pages) */
 494         addr = lcd_setmem (addr);
 495         gd->fb_base = addr;
 496 #endif /* CONFIG_LCD */
 497
 498 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
 499         /* reserve memory for video display (always full pages) */
 500         addr = video_setmem (addr);
 501         gd->fb_base = addr;
 502 #endif /* CONFIG_VIDEO  */
 503
 504         /*
 505          * reserve memory for U-Boot code, data & bss
 506          * round down to next 4 kB limit
 507          */
 508         addr -= len;
 509         addr &= ~(4096 - 1);
 510 #ifdef CONFIG_E500
 511         /* round down to next 64 kB limit so that IVPR stays aligned */
 512         addr &= ~(65536 - 1);
 513 #endif
 514
 515         debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
 516
 517 #ifdef CONFIG_AMIGAONEG3SE
 518         gd->relocaddr = addr;
 519 #endif
 520
 521         /*
 522          * reserve memory for malloc() arena
 523          */
 524         addr_sp = addr - TOTAL_MALLOC_LEN;
 525         debug ("Reserving %dk for malloc() at: %08lx\n",
 526                         TOTAL_MALLOC_LEN >> 10, addr_sp);
 527
 528         /*
 529          * (permanently) allocate a Board Info struct
 530          * and a permanent copy of the "global" data
 531          */
 532         addr_sp -= sizeof (bd_t);
 533         bd = (bd_t *) addr_sp;
 534         gd->bd = bd;
 535         debug ("Reserving %d Bytes for Board Info at: %08lx\n",
 536                         sizeof (bd_t), addr_sp);
 537         addr_sp -= sizeof (gd_t);
 538         id = (gd_t *) addr_sp;
 539         debug ("Reserving %d Bytes for Global Data at: %08lx\n",
 540                         sizeof (gd_t), addr_sp);
 541
 542         /*
 543          * Finally, we set up a new (bigger) stack.
 544          *
 545          * Leave some safety gap for SP, force alignment on 16 byte boundary
 546          * Clear initial stack frame
 547          */
 548         addr_sp -= 16;
 549         addr_sp &= ~0xF;
 550         s = (ulong *)addr_sp;
 551         *s-- = 0;
 552         *s-- = 0;
 553         addr_sp = (ulong)s;
 554         debug ("Stack Pointer at: %08lx\n", addr_sp);
 555
 556         /*
 557          * Save local variables to board info struct
 558          */
 559
 560         bd->bi_memstart  = CFG_SDRAM_BASE;      /* start of  DRAM memory        */
 561         bd->bi_memsize   = gd->ram_size;        /* size  of  DRAM memory in bytes */
 562
 563 #ifdef CONFIG_IP860
 564         bd->bi_sramstart = SRAM_BASE;   /* start of  SRAM memory        */
 565         bd->bi_sramsize  = SRAM_SIZE;   /* size  of  SRAM memory        */
 566 #elif defined CONFIG_MPC8220
 567         bd->bi_sramstart = CFG_SRAM_BASE;       /* start of  SRAM memory        */
 568         bd->bi_sramsize  = CFG_SRAM_SIZE;       /* size  of  SRAM memory        */
 569 #else
 570         bd->bi_sramstart = 0;           /* FIXME */ /* start of  SRAM memory    */
 571         bd->bi_sramsize  = 0;           /* FIXME */ /* size  of  SRAM memory    */
 572 #endif
 573
 574 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
 575     defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
 576         bd->bi_immr_base = CFG_IMMR;    /* base  of IMMR register     */
 577 #endif
 578 #if defined(CONFIG_MPC5xxx)
 579         bd->bi_mbar_base = CFG_MBAR;    /* base of internal registers */
 580 #endif
 581 #if defined(CONFIG_MPC83XX)
 582         bd->bi_immrbar = CFG_IMMR;
 583 #endif
 584 #if defined(CONFIG_MPC8220)
 585         bd->bi_mbar_base = CFG_MBAR;    /* base of internal registers */
 586         bd->bi_inpfreq   = gd->inp_clk;
 587         bd->bi_pcifreq   = gd->pci_clk;
 588         bd->bi_vcofreq   = gd->vco_clk;
 589         bd->bi_pevfreq   = gd->pev_clk;
 590         bd->bi_flbfreq   = gd->flb_clk;
 591
 592         /* store bootparam to sram (backward compatible), here? */
 593         {
 594                 u32 *sram = (u32 *)CFG_SRAM_BASE;
 595                 *sram++ = gd->ram_size;
 596                 *sram++ = gd->bus_clk;
 597                 *sram++ = gd->inp_clk;
 598                 *sram++ = gd->cpu_clk;
 599                 *sram++ = gd->vco_clk;
 600                 *sram++ = gd->flb_clk;
 601                 *sram++ = 0xb8c3ba11;  /* boot signature */
 602         }
 603 #endif
 604
 605         bd->bi_bootflags = bootflag;    /* boot / reboot flag (for LynxOS)    */
 606
 607         WATCHDOG_RESET ();
 608         bd->bi_intfreq = gd->cpu_clk;   /* Internal Freq, in Hz */
 609         bd->bi_busfreq = gd->bus_clk;   /* Bus Freq,      in Hz */
 610 #if defined(CONFIG_CPM2)
 611         bd->bi_cpmfreq = gd->cpm_clk;
 612         bd->bi_brgfreq = gd->brg_clk;
 613         bd->bi_sccfreq = gd->scc_clk;
 614         bd->bi_vco     = gd->vco_out;
 615 #endif /* CONFIG_CPM2 */
 616 #if defined(CONFIG_MPC512X)
 617         bd->bi_ipsfreq = gd->ips_clk;
 618 #endif /* CONFIG_MPC512X */
 619 #if defined(CONFIG_MPC5xxx)
 620         bd->bi_ipbfreq = gd->ipb_clk;
 621         bd->bi_pcifreq = gd->pci_clk;
 622 #endif /* CONFIG_MPC5xxx */
 623         bd->bi_baudrate = gd->baudrate; /* Console Baudrate     */
 624
 625 #ifdef CFG_EXTBDINFO
 626         strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
 627         strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
 628
 629         bd->bi_procfreq = gd->cpu_clk;  /* Processor Speed, In Hz */
 630         bd->bi_plb_busfreq = gd->bus_clk;
 631 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
 632     defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
 633     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 634         bd->bi_pci_busfreq = get_PCI_freq ();
 635         bd->bi_opbfreq = get_OPB_freq ();
 636 #elif defined(CONFIG_XILINX_ML300)
 637         bd->bi_pci_busfreq = get_PCI_freq ();
 638 #endif
 639 #endif
 640
 641         debug ("New Stack Pointer is: %08lx\n", addr_sp);
 642
 643         WATCHDOG_RESET ();
 644
 645 #ifdef CONFIG_POST
 646         post_bootmode_init();
 647         post_run (NULL, POST_ROM | post_bootmode_get(0));
 648 #endif
 649
 650         WATCHDOG_RESET();
 651
 652         memcpy (id, (void *)gd, sizeof (gd_t));
 653
 654         relocate_code (addr_sp, id, addr);
 655
 656         /* NOTREACHED - relocate_code() does not return */
 657 }
 658
 659 /************************************************************************
 660  *
 661  * This is the next part if the initialization sequence: we are now
 662  * running from RAM and have a "normal" C environment, i. e. global
 663  * data can be written, BSS has been cleared, the stack size in not
 664  * that critical any more, etc.
 665  *
 666  ************************************************************************
 667  */
 668 void board_init_r (gd_t *id, ulong dest_addr)
 669 {
 670         cmd_tbl_t *cmdtp;
 671         char *s, *e;
 672         bd_t *bd;
 673         int i;
 674         extern void malloc_bin_reloc (void);
 675 #ifndef CFG_ENV_IS_NOWHERE
 676         extern char * env_name_spec;
 677 #endif
 678
 679 #ifndef CFG_NO_FLASH
 680         ulong flash_size;
 681 #endif
 682
 683         gd = id;                /* initialize RAM version of global data */
 684         bd = gd->bd;
 685
 686         gd->flags |= GD_FLG_RELOC;      /* tell others: relocation done */
 687
 688 #if defined(CONFIG_RELOC_FIXUP_WORKS)
 689         gd->reloc_off = 0;
 690         mem_malloc_end = dest_addr;
 691 #else
 692         gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
 693 #endif
 694
 695 #ifdef CONFIG_SERIAL_MULTI
 696         serial_initialize();
 697 #endif
 698
 699         debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
 700
 701         WATCHDOG_RESET ();
 702
 703 #if defined(CONFIG_BOARD_EARLY_INIT_R)
 704         board_early_init_r ();
 705 #endif
 706
 707         monitor_flash_len = (ulong)&__init_end - dest_addr;
 708
 709         /*
 710          * We have to relocate the command table manually
 711          */
 712         for (cmdtp = &__u_boot_cmd_start; cmdtp !=  &__u_boot_cmd_end; cmdtp++) {
 713                 ulong addr;
 714                 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
 715 #if 0
 716                 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
 717                                 cmdtp->name, (ulong) (cmdtp->cmd), addr);
 718 #endif
 719                 cmdtp->cmd =
 720                         (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
 721
 722                 addr = (ulong)(cmdtp->name) + gd->reloc_off;
 723                 cmdtp->name = (char *)addr;
 724
 725                 if (cmdtp->usage) {
 726                         addr = (ulong)(cmdtp->usage) + gd->reloc_off;
 727                         cmdtp->usage = (char *)addr;
 728                 }
 729 #ifdef  CFG_LONGHELP
 730                 if (cmdtp->help) {
 731                         addr = (ulong)(cmdtp->help) + gd->reloc_off;
 732                         cmdtp->help = (char *)addr;
 733                 }
 734 #endif
 735         }
 736         /* there are some other pointer constants we must deal with */
 737 #ifndef CFG_ENV_IS_NOWHERE
 738         env_name_spec += gd->reloc_off;
 739 #endif
 740
 741         WATCHDOG_RESET ();
 742
 743 #ifdef CONFIG_LOGBUFFER
 744         logbuff_init_ptrs ();
 745 #endif
 746 #ifdef CONFIG_POST
 747         post_output_backlog ();
 748         post_reloc ();
 749 #endif
 750
 751         WATCHDOG_RESET();
 752
 753 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
 754         defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
 755         icache_enable ();       /* it's time to enable the instruction cache */
 756 #endif
 757
 758 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
 759         unlock_ram_in_cache();  /* it's time to unlock D-cache in e500 */
 760 #endif
 761
 762 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
 763         /*
 764          * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
 765          * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
 766          * bridge there.
 767          */
 768         pci_init ();
 769 #endif
 770 #if defined(CONFIG_BAB7xx)
 771         /*
 772          * Initialise the ISA bridge
 773          */
 774         initialise_w83c553f ();
 775 #endif
 776
 777         asm ("sync ; isync");
 778
 779         /*
 780          * Setup trap handlers
 781          */
 782         trap_init (dest_addr);
 783
 784 #if !defined(CFG_NO_FLASH)
 785         puts ("FLASH: ");
 786
 787         if ((flash_size = flash_init ()) > 0) {
 788 # ifdef CFG_FLASH_CHECKSUM
 789                 print_size (flash_size, "");
 790                 /*
 791                  * Compute and print flash CRC if flashchecksum is set to 'y'
 792                  *
 793                  * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
 794                  */
 795                 s = getenv ("flashchecksum");
 796                 if (s && (*s == 'y')) {
 797                         printf ("  CRC: %08lX",
 798                                 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
 799                         );
 800                 }
 801                 putc ('\n');
 802 # else  /* !CFG_FLASH_CHECKSUM */
 803                 print_size (flash_size, "\n");
 804 # endif /* CFG_FLASH_CHECKSUM */
 805         } else {
 806                 puts (failed);
 807                 hang ();
 808         }
 809
 810         bd->bi_flashstart = CFG_FLASH_BASE;     /* update start of FLASH memory    */
 811         bd->bi_flashsize = flash_size;  /* size of FLASH memory (final value) */
 812
 813 #if defined(CFG_UPDATE_FLASH_SIZE)
 814         /* Make a update of the Memctrl. */
 815         update_flash_size (flash_size);
 816 #endif
 817
 818
 819 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
 820         /* flash mapped at end of memory map */
 821         bd->bi_flashoffset = TEXT_BASE + flash_size;
 822 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
 823         bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor  */
 824 # else
 825         bd->bi_flashoffset = 0;
 826 # endif
 827 #else   /* CFG_NO_FLASH */
 828
 829         bd->bi_flashsize = 0;
 830         bd->bi_flashstart = 0;
 831         bd->bi_flashoffset = 0;
 832 #endif /* !CFG_NO_FLASH */
 833
 834         WATCHDOG_RESET ();
 835
 836         /* initialize higher level parts of CPU like time base and timers */
 837         cpu_init_r ();
 838
 839         WATCHDOG_RESET ();
 840
 841         /* initialize malloc() area */
 842         mem_malloc_init ();
 843         malloc_bin_reloc ();
 844
 845 #ifdef CONFIG_SPI
 846 # if !defined(CFG_ENV_IS_IN_EEPROM)
 847         spi_init_f ();
 848 # endif
 849         spi_init_r ();
 850 #endif
 851
 852 #if defined(CONFIG_CMD_NAND)
 853         WATCHDOG_RESET ();
 854         puts ("NAND:  ");
 855         nand_init();            /* go init the NAND */
 856 #endif
 857
 858         /* relocate environment function pointers etc. */
 859         env_relocate ();
 860
 861         /*
 862          * Fill in missing fields of bd_info.
 863          * We do this here, where we have "normal" access to the
 864          * environment; we used to do this still running from ROM,
 865          * where had to use getenv_r(), which can be pretty slow when
 866          * the environment is in EEPROM.
 867          */
 868
 869 #if defined(CFG_EXTBDINFO)
 870 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
 871 #if defined(CONFIG_I2CFAST)
 872         /*
 873          * set bi_iic_fast for linux taking environment variable
 874          * "i2cfast" into account
 875          */
 876         {
 877                 char *s = getenv ("i2cfast");
 878                 if (s && ((*s == 'y') || (*s == 'Y'))) {
 879                         bd->bi_iic_fast[0] = 1;
 880                         bd->bi_iic_fast[1] = 1;
 881                 } else {
 882                         bd->bi_iic_fast[0] = 0;
 883                         bd->bi_iic_fast[1] = 0;
 884                 }
 885         }
 886 #else
 887         bd->bi_iic_fast[0] = 0;
 888         bd->bi_iic_fast[1] = 0;
 889 #endif  /* CONFIG_I2CFAST */
 890 #endif  /* CONFIG_405GP, CONFIG_405EP */
 891 #endif  /* CFG_EXTBDINFO */
 892
 893 #if defined(CONFIG_SC3)
 894         sc3_read_eeprom();
 895 #endif
 896
 897 #if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
 898         mac_read_from_eeprom();
 899 #endif
 900
 901         s = getenv ("ethaddr");
 902 #if defined (CONFIG_MBX) || \
 903     defined (CONFIG_RPXCLASSIC) || \
 904     defined(CONFIG_IAD210) || \
 905     defined(CONFIG_V38B)
 906         if (s == NULL)
 907                 board_get_enetaddr (bd->bi_enetaddr);
 908         else
 909 #endif
 910                 for (i = 0; i < 6; ++i) {
 911                         bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 912                         if (s)
 913                                 s = (*e) ? e + 1 : e;
 914                 }
 915 #ifdef  CONFIG_HERMES
 916         if ((gd->board_type >> 16) == 2)
 917                 bd->bi_ethspeed = gd->board_type & 0xFFFF;
 918         else
 919                 bd->bi_ethspeed = 0xFFFF;
 920 #endif
 921
 922 #ifdef CONFIG_NX823
 923         load_sernum_ethaddr ();
 924 #endif
 925
 926 #ifdef CONFIG_HAS_ETH1
 927         /* handle the 2nd ethernet address */
 928
 929         s = getenv ("eth1addr");
 930
 931         for (i = 0; i < 6; ++i) {
 932                 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 933                 if (s)
 934                         s = (*e) ? e + 1 : e;
 935         }
 936 #endif
 937 #ifdef CONFIG_HAS_ETH2
 938         /* handle the 3rd ethernet address */
 939
 940         s = getenv ("eth2addr");
 941 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
 942         if (s == NULL)
 943                 board_get_enetaddr(bd->bi_enet2addr);
 944         else
 945 #endif
 946         for (i = 0; i < 6; ++i) {
 947                 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 948                 if (s)
 949                         s = (*e) ? e + 1 : e;
 950         }
 951 #endif
 952
 953 #ifdef CONFIG_HAS_ETH3
 954         /* handle 4th ethernet address */
 955         s = getenv("eth3addr");
 956 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
 957         if (s == NULL)
 958                 board_get_enetaddr(bd->bi_enet3addr);
 959         else
 960 #endif
 961         for (i = 0; i < 6; ++i) {
 962                 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 963                 if (s)
 964                         s = (*e) ? e + 1 : e;
 965         }
 966 #endif
 967
 968 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
 969     defined(CONFIG_TQM8272) || \
 970     defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
 971     defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
 972         load_sernum_ethaddr ();
 973 #endif
 974         /* IP Address */
 975         bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
 976
 977         WATCHDOG_RESET ();
 978
 979 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
 980         /*
 981          * Do pci configuration
 982          */
 983         pci_init ();
 984 #endif
 985
 986 /** leave this here (after malloc(), environment and PCI are working) **/
 987         /* Initialize devices */
 988         devices_init ();
 989
 990         /* Initialize the jump table for applications */
 991         jumptable_init ();
 992
 993 #if defined(CONFIG_API)
 994         /* Initialize API */
 995         api_init ();
 996 #endif
 997
 998         /* Initialize the console (after the relocation and devices init) */
 999         console_init_r ();
1000
1001 #if defined(CONFIG_CCM)         || \
1002     defined(CONFIG_COGENT)      || \
1003     defined(CONFIG_CPCI405)     || \
1004     defined(CONFIG_EVB64260)    || \
1005     defined(CONFIG_KUP4K)       || \
1006     defined(CONFIG_KUP4X)       || \
1007     defined(CONFIG_LWMON)       || \
1008     defined(CONFIG_PCU_E)       || \
1009     defined(CONFIG_SC3)         || \
1010     defined(CONFIG_W7O)         || \
1011     defined(CONFIG_MISC_INIT_R)
1012         /* miscellaneous platform dependent initialisations */
1013         misc_init_r ();
1014 #endif
1015
1016 #ifdef  CONFIG_HERMES
1017         if (bd->bi_ethspeed != 0xFFFF)
1018                 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1019 #endif
1020
1021 #if defined(CONFIG_CMD_KGDB)
1022         WATCHDOG_RESET ();
1023         puts ("KGDB:  ");
1024         kgdb_init ();
1025 #endif
1026
1027         debug ("U-Boot relocated to %08lx\n", dest_addr);
1028
1029         /*
1030          * Enable Interrupts
1031          */
1032         interrupt_init ();
1033
1034         /* Must happen after interrupts are initialized since
1035          * an irq handler gets installed
1036          */
1037 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1038         serial_buffered_init();
1039 #endif
1040
1041 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1042         status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1043 #endif
1044
1045         udelay (20);
1046
1047         set_timer (0);
1048
1049         /* Initialize from environment */
1050         if ((s = getenv ("loadaddr")) != NULL) {
1051                 load_addr = simple_strtoul (s, NULL, 16);
1052         }
1053 #if defined(CONFIG_CMD_NET)
1054         if ((s = getenv ("bootfile")) != NULL) {
1055                 copy_filename (BootFile, s, sizeof (BootFile));
1056         }
1057 #endif
1058
1059         WATCHDOG_RESET ();
1060
1061 #if defined(CONFIG_CMD_SCSI)
1062         WATCHDOG_RESET ();
1063         puts ("SCSI:  ");
1064         scsi_init ();
1065 #endif
1066
1067 #if defined(CONFIG_CMD_DOC)
1068         WATCHDOG_RESET ();
1069         puts ("DOC:   ");
1070         doc_init ();
1071 #endif
1072
1073 #if defined(CONFIG_CMD_NET)
1074 #if defined(CONFIG_NET_MULTI)
1075         WATCHDOG_RESET ();
1076         puts ("Net:   ");
1077 #endif
1078         eth_initialize (bd);
1079 #endif
1080
1081 #if defined(CONFIG_CMD_NET) && ( \
1082     defined(CONFIG_CCM)         || \
1083     defined(CONFIG_ELPT860)     || \
1084     defined(CONFIG_EP8260)      || \
1085     defined(CONFIG_IP860)       || \
1086     defined(CONFIG_IVML24)      || \
1087     defined(CONFIG_IVMS8)       || \
1088     defined(CONFIG_MPC8260ADS)  || \
1089     defined(CONFIG_MPC8266ADS)  || \
1090     defined(CONFIG_MPC8560ADS)  || \
1091     defined(CONFIG_PCU_E)       || \
1092     defined(CONFIG_RPXSUPER)    || \
1093     defined(CONFIG_STXGP3)      || \
1094     defined(CONFIG_SPD823TS)    || \
1095     defined(CONFIG_RESET_PHY_R) )
1096
1097         WATCHDOG_RESET ();
1098         debug ("Reset Ethernet PHY\n");
1099         reset_phy ();
1100 #endif
1101
1102 #ifdef CONFIG_POST
1103         post_run (NULL, POST_RAM | post_bootmode_get(0));
1104 #endif
1105
1106 #if defined(CONFIG_CMD_PCMCIA) \
1107     && !defined(CONFIG_CMD_IDE)
1108         WATCHDOG_RESET ();
1109         puts ("PCMCIA:");
1110         pcmcia_init ();
1111 #endif
1112
1113 #if defined(CONFIG_CMD_IDE)
1114         WATCHDOG_RESET ();
1115 # ifdef CONFIG_IDE_8xx_PCCARD
1116         puts ("PCMCIA:");
1117 # else
1118         puts ("IDE:   ");
1119 #endif
1120 #if defined(CONFIG_START_IDE)
1121         if (board_start_ide())
1122                 ide_init ();
1123 #else
1124         ide_init ();
1125 #endif
1126 #endif
1127
1128 #if defined(CONFIG_CMD_SATA)
1129         puts ("SATA:  ");
1130         sata_initialize ();
1131 #endif
1132
1133 #ifdef CONFIG_LAST_STAGE_INIT
1134         WATCHDOG_RESET ();
1135         /*
1136          * Some parts can be only initialized if all others (like
1137          * Interrupts) are up and running (i.e. the PC-style ISA
1138          * keyboard).
1139          */
1140         last_stage_init ();
1141 #endif
1142
1143 #if defined(CONFIG_CMD_BEDBUG)
1144         WATCHDOG_RESET ();
1145         bedbug_init ();
1146 #endif
1147
1148 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1149         /*
1150          * Export available size of memory for Linux,
1151          * taking into account the protected RAM at top of memory
1152          */
1153         {
1154                 ulong pram;
1155                 uchar memsz[32];
1156 #ifdef CONFIG_PRAM
1157                 char *s;
1158
1159                 if ((s = getenv ("pram")) != NULL) {
1160                         pram = simple_strtoul (s, NULL, 10);
1161                 } else {
1162                         pram = CONFIG_PRAM;
1163                 }
1164 #else
1165                 pram=0;
1166 #endif
1167 #ifdef CONFIG_LOGBUFFER
1168 #ifndef CONFIG_ALT_LB_ADDR
1169                 /* Also take the logbuffer into account (pram is in kB) */
1170                 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1171 #endif
1172 #endif
1173                 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1174                 setenv ("mem", (char *)memsz);
1175         }
1176 #endif
1177
1178 #ifdef CONFIG_PS2KBD
1179         puts ("PS/2:  ");
1180         kbd_init();
1181 #endif
1182
1183 #ifdef CONFIG_MODEM_SUPPORT
1184  {
1185          extern int do_mdm_init;
1186          do_mdm_init = gd->do_mdm_init;
1187  }
1188 #endif
1189
1190         /* Initialization complete - start the monitor */
1191
1192         /* main_loop() can return to retry autoboot, if so just run it again. */
1193         for (;;) {
1194                 WATCHDOG_RESET ();
1195                 main_loop ();
1196         }
1197
1198         /* NOTREACHED - no way out of command loop except booting */
1199 }
1200
1201 void hang (void)
1202 {
1203         puts ("### ERROR ### Please RESET the board ###\n");
1204         show_boot_progress(-30);
1205         for (;;);
1206 }
1207
1208 #ifdef CONFIG_MODEM_SUPPORT
1209 /* called from main loop (common/main.c) */
1210 /* 'inline' - We have to do it fast */
1211 static inline void mdm_readline(char *buf, int bufsiz)
1212 {
1213         char c;
1214         char *p;
1215         int n;
1216
1217         n = 0;
1218         p = buf;
1219         for(;;) {
1220                 c = serial_getc();
1221
1222                 /*              dbg("(%c)", c); */
1223
1224                 switch(c) {
1225                 case '\r':
1226                         break;
1227                 case '\n':
1228                         *p = '\0';
1229                         return;
1230
1231                 default:
1232                         if(n++ > bufsiz) {
1233                                 *p = '\0';
1234                                 return; /* sanity check */
1235                         }
1236                         *p = c;
1237                         p++;
1238                         break;
1239                 }
1240         }
1241 }
1242
1243 extern void  dbg(const char *fmt, ...);
1244 int mdm_init (void)
1245 {
1246         char env_str[16];
1247         char *init_str;
1248         int i;
1249         extern char console_buffer[];
1250         extern void enable_putc(void);
1251         extern int hwflow_onoff(int);
1252
1253         enable_putc(); /* enable serial_putc() */
1254
1255 #ifdef CONFIG_HWFLOW
1256         init_str = getenv("mdm_flow_control");
1257         if (init_str && (strcmp(init_str, "rts/cts") == 0))
1258                 hwflow_onoff (1);
1259         else
1260                 hwflow_onoff(-1);
1261 #endif
1262
1263         for (i = 1;;i++) {
1264                 sprintf(env_str, "mdm_init%d", i);
1265                 if ((init_str = getenv(env_str)) != NULL) {
1266                         serial_puts(init_str);
1267                         serial_puts("\n");
1268                         for(;;) {
1269                                 mdm_readline(console_buffer, CFG_CBSIZE);
1270                                 dbg("ini%d: [%s]", i, console_buffer);
1271
1272                                 if ((strcmp(console_buffer, "OK") == 0) ||
1273                                         (strcmp(console_buffer, "ERROR") == 0)) {
1274                                         dbg("ini%d: cmd done", i);
1275                                         break;
1276                                 } else /* in case we are originating call ... */
1277                                         if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1278                                                 dbg("ini%d: connect", i);
1279                                                 return 0;
1280                                         }
1281                         }
1282                 } else
1283                         break; /* no init string - stop modem init */
1284
1285                 udelay(100000);
1286         }
1287
1288         udelay(100000);
1289
1290         /* final stage - wait for connect */
1291         for(;i > 1;) { /* if 'i' > 1 - wait for connection
1292                                   message from modem */
1293                 mdm_readline(console_buffer, CFG_CBSIZE);
1294                 dbg("ini_f: [%s]", console_buffer);
1295                 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1296                         dbg("ini_f: connected");
1297                         return 0;
1298                 }
1299         }
1300
1301         return 0;
1302 }
1303
1304 #endif
1305
1306 #if 0 /* We could use plain global data, but the resulting code is bigger */
1307 /*
1308  * Pointer to initial global data area
1309  *
1310  * Here we initialize it.
1311  */
1312 #undef  XTRN_DECLARE_GLOBAL_DATA_PTR
1313 #define XTRN_DECLARE_GLOBAL_DATA_PTR    /* empty = allocate here */
1314 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1315 #endif  /* 0 */
1316
1317 /************************************************************************/