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