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         addr = CFG_SDRAM_BASE + get_effective_memsize();
 437
 438 #ifdef CONFIG_LOGBUFFER
 439         /* reserve kernel log buffer */
 440         addr -= (LOGBUFF_RESERVE);
 441         debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
 442 #endif
 443
 444 #ifdef CONFIG_PRAM
 445         /*
 446          * reserve protected RAM
 447          */
 448         i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
 449         reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
 450         addr -= (reg << 10);            /* size is in kB */
 451         debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
 452 #endif /* CONFIG_PRAM */
 453
 454         /* round down to next 4 kB limit */
 455         addr &= ~(4096 - 1);
 456         debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
 457
 458 #ifdef CONFIG_LCD
 459         /* reserve memory for LCD display (always full pages) */
 460         addr = lcd_setmem (addr);
 461         gd->fb_base = addr;
 462 #endif /* CONFIG_LCD */
 463
 464 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
 465         /* reserve memory for video display (always full pages) */
 466         addr = video_setmem (addr);
 467         gd->fb_base = addr;
 468 #endif /* CONFIG_VIDEO  */
 469
 470         /*
 471          * reserve memory for U-Boot code, data & bss
 472          * round down to next 4 kB limit
 473          */
 474         addr -= len;
 475         addr &= ~(4096 - 1);
 476 #ifdef CONFIG_E500
 477         /* round down to next 64 kB limit so that IVPR stays aligned */
 478         addr &= ~(65536 - 1);
 479 #endif
 480
 481         debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
 482
 483 #ifdef CONFIG_AMIGAONEG3SE
 484         gd->relocaddr = addr;
 485 #endif
 486
 487         /*
 488          * reserve memory for malloc() arena
 489          */
 490         addr_sp = addr - TOTAL_MALLOC_LEN;
 491         debug ("Reserving %dk for malloc() at: %08lx\n",
 492                         TOTAL_MALLOC_LEN >> 10, addr_sp);
 493
 494         /*
 495          * (permanently) allocate a Board Info struct
 496          * and a permanent copy of the "global" data
 497          */
 498         addr_sp -= sizeof (bd_t);
 499         bd = (bd_t *) addr_sp;
 500         gd->bd = bd;
 501         debug ("Reserving %d Bytes for Board Info at: %08lx\n",
 502                         sizeof (bd_t), addr_sp);
 503         addr_sp -= sizeof (gd_t);
 504         id = (gd_t *) addr_sp;
 505         debug ("Reserving %d Bytes for Global Data at: %08lx\n",
 506                         sizeof (gd_t), addr_sp);
 507
 508         /*
 509          * Finally, we set up a new (bigger) stack.
 510          *
 511          * Leave some safety gap for SP, force alignment on 16 byte boundary
 512          * Clear initial stack frame
 513          */
 514         addr_sp -= 16;
 515         addr_sp &= ~0xF;
 516         s = (ulong *)addr_sp;
 517         *s-- = 0;
 518         *s-- = 0;
 519         addr_sp = (ulong)s;
 520         debug ("Stack Pointer at: %08lx\n", addr_sp);
 521
 522         /*
 523          * Save local variables to board info struct
 524          */
 525
 526         bd->bi_memstart  = CFG_SDRAM_BASE;      /* start of  DRAM memory        */
 527         bd->bi_memsize   = gd->ram_size;        /* size  of  DRAM memory in bytes */
 528
 529 #ifdef CONFIG_IP860
 530         bd->bi_sramstart = SRAM_BASE;   /* start of  SRAM memory        */
 531         bd->bi_sramsize  = SRAM_SIZE;   /* size  of  SRAM memory        */
 532 #elif defined CONFIG_MPC8220
 533         bd->bi_sramstart = CFG_SRAM_BASE;       /* start of  SRAM memory        */
 534         bd->bi_sramsize  = CFG_SRAM_SIZE;       /* size  of  SRAM memory        */
 535 #else
 536         bd->bi_sramstart = 0;           /* FIXME */ /* start of  SRAM memory    */
 537         bd->bi_sramsize  = 0;           /* FIXME */ /* size  of  SRAM memory    */
 538 #endif
 539
 540 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
 541     defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
 542         bd->bi_immr_base = CFG_IMMR;    /* base  of IMMR register     */
 543 #endif
 544 #if defined(CONFIG_MPC5xxx)
 545         bd->bi_mbar_base = CFG_MBAR;    /* base of internal registers */
 546 #endif
 547 #if defined(CONFIG_MPC83XX)
 548         bd->bi_immrbar = CFG_IMMR;
 549 #endif
 550 #if defined(CONFIG_MPC8220)
 551         bd->bi_mbar_base = CFG_MBAR;    /* base of internal registers */
 552         bd->bi_inpfreq   = gd->inp_clk;
 553         bd->bi_pcifreq   = gd->pci_clk;
 554         bd->bi_vcofreq   = gd->vco_clk;
 555         bd->bi_pevfreq   = gd->pev_clk;
 556         bd->bi_flbfreq   = gd->flb_clk;
 557
 558         /* store bootparam to sram (backward compatible), here? */
 559         {
 560                 u32 *sram = (u32 *)CFG_SRAM_BASE;
 561                 *sram++ = gd->ram_size;
 562                 *sram++ = gd->bus_clk;
 563                 *sram++ = gd->inp_clk;
 564                 *sram++ = gd->cpu_clk;
 565                 *sram++ = gd->vco_clk;
 566                 *sram++ = gd->flb_clk;
 567                 *sram++ = 0xb8c3ba11;  /* boot signature */
 568         }
 569 #endif
 570
 571         bd->bi_bootflags = bootflag;    /* boot / reboot flag (for LynxOS)    */
 572
 573         WATCHDOG_RESET ();
 574         bd->bi_intfreq = gd->cpu_clk;   /* Internal Freq, in Hz */
 575         bd->bi_busfreq = gd->bus_clk;   /* Bus Freq,      in Hz */
 576 #if defined(CONFIG_CPM2)
 577         bd->bi_cpmfreq = gd->cpm_clk;
 578         bd->bi_brgfreq = gd->brg_clk;
 579         bd->bi_sccfreq = gd->scc_clk;
 580         bd->bi_vco     = gd->vco_out;
 581 #endif /* CONFIG_CPM2 */
 582 #if defined(CONFIG_MPC512X)
 583         bd->bi_ipsfreq = gd->ips_clk;
 584 #endif /* CONFIG_MPC512X */
 585 #if defined(CONFIG_MPC5xxx)
 586         bd->bi_ipbfreq = gd->ipb_clk;
 587         bd->bi_pcifreq = gd->pci_clk;
 588 #endif /* CONFIG_MPC5xxx */
 589         bd->bi_baudrate = gd->baudrate; /* Console Baudrate     */
 590
 591 #ifdef CFG_EXTBDINFO
 592         strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
 593         strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
 594
 595         bd->bi_procfreq = gd->cpu_clk;  /* Processor Speed, In Hz */
 596         bd->bi_plb_busfreq = gd->bus_clk;
 597 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
 598     defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
 599     defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 600         bd->bi_pci_busfreq = get_PCI_freq ();
 601         bd->bi_opbfreq = get_OPB_freq ();
 602 #elif defined(CONFIG_XILINX_ML300)
 603         bd->bi_pci_busfreq = get_PCI_freq ();
 604 #endif
 605 #endif
 606
 607         debug ("New Stack Pointer is: %08lx\n", addr_sp);
 608
 609         WATCHDOG_RESET ();
 610
 611 #ifdef CONFIG_POST
 612         post_bootmode_init();
 613         post_run (NULL, POST_ROM | post_bootmode_get(0));
 614 #endif
 615
 616         WATCHDOG_RESET();
 617
 618         memcpy (id, (void *)gd, sizeof (gd_t));
 619
 620         relocate_code (addr_sp, id, addr);
 621
 622         /* NOTREACHED - relocate_code() does not return */
 623 }
 624
 625 /************************************************************************
 626  *
 627  * This is the next part if the initialization sequence: we are now
 628  * running from RAM and have a "normal" C environment, i. e. global
 629  * data can be written, BSS has been cleared, the stack size in not
 630  * that critical any more, etc.
 631  *
 632  ************************************************************************
 633  */
 634 void board_init_r (gd_t *id, ulong dest_addr)
 635 {
 636         cmd_tbl_t *cmdtp;
 637         char *s, *e;
 638         bd_t *bd;
 639         int i;
 640         extern void malloc_bin_reloc (void);
 641 #ifndef CFG_ENV_IS_NOWHERE
 642         extern char * env_name_spec;
 643 #endif
 644
 645 #ifndef CFG_NO_FLASH
 646         ulong flash_size;
 647 #endif
 648
 649         gd = id;                /* initialize RAM version of global data */
 650         bd = gd->bd;
 651
 652         gd->flags |= GD_FLG_RELOC;      /* tell others: relocation done */
 653
 654 #if defined(CONFIG_RELOC_FIXUP_WORKS)
 655         gd->reloc_off = 0;
 656         mem_malloc_end = dest_addr;
 657 #else
 658         gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
 659 #endif
 660
 661 #ifdef CONFIG_SERIAL_MULTI
 662         serial_initialize();
 663 #endif
 664
 665         debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
 666
 667         WATCHDOG_RESET ();
 668
 669 #if defined(CONFIG_BOARD_EARLY_INIT_R)
 670         board_early_init_r ();
 671 #endif
 672
 673         monitor_flash_len = (ulong)&__init_end - dest_addr;
 674
 675         /*
 676          * We have to relocate the command table manually
 677          */
 678         for (cmdtp = &__u_boot_cmd_start; cmdtp !=  &__u_boot_cmd_end; cmdtp++) {
 679                 ulong addr;
 680                 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
 681 #if 0
 682                 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
 683                                 cmdtp->name, (ulong) (cmdtp->cmd), addr);
 684 #endif
 685                 cmdtp->cmd =
 686                         (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
 687
 688                 addr = (ulong)(cmdtp->name) + gd->reloc_off;
 689                 cmdtp->name = (char *)addr;
 690
 691                 if (cmdtp->usage) {
 692                         addr = (ulong)(cmdtp->usage) + gd->reloc_off;
 693                         cmdtp->usage = (char *)addr;
 694                 }
 695 #ifdef  CFG_LONGHELP
 696                 if (cmdtp->help) {
 697                         addr = (ulong)(cmdtp->help) + gd->reloc_off;
 698                         cmdtp->help = (char *)addr;
 699                 }
 700 #endif
 701         }
 702         /* there are some other pointer constants we must deal with */
 703 #ifndef CFG_ENV_IS_NOWHERE
 704         env_name_spec += gd->reloc_off;
 705 #endif
 706
 707         WATCHDOG_RESET ();
 708
 709 #ifdef CONFIG_LOGBUFFER
 710         logbuff_init_ptrs ();
 711 #endif
 712 #ifdef CONFIG_POST
 713         post_output_backlog ();
 714         post_reloc ();
 715 #endif
 716
 717         WATCHDOG_RESET();
 718
 719 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
 720         defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
 721         icache_enable ();       /* it's time to enable the instruction cache */
 722 #endif
 723
 724 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
 725         unlock_ram_in_cache();  /* it's time to unlock D-cache in e500 */
 726 #endif
 727
 728 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
 729         /*
 730          * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
 731          * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
 732          * bridge there.
 733          */
 734         pci_init ();
 735 #endif
 736 #if defined(CONFIG_BAB7xx)
 737         /*
 738          * Initialise the ISA bridge
 739          */
 740         initialise_w83c553f ();
 741 #endif
 742
 743         asm ("sync ; isync");
 744
 745         /*
 746          * Setup trap handlers
 747          */
 748         trap_init (dest_addr);
 749
 750 #if !defined(CFG_NO_FLASH)
 751         puts ("FLASH: ");
 752
 753         if ((flash_size = flash_init ()) > 0) {
 754 # ifdef CFG_FLASH_CHECKSUM
 755                 print_size (flash_size, "");
 756                 /*
 757                  * Compute and print flash CRC if flashchecksum is set to 'y'
 758                  *
 759                  * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
 760                  */
 761                 s = getenv ("flashchecksum");
 762                 if (s && (*s == 'y')) {
 763                         printf ("  CRC: %08lX",
 764                                 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
 765                         );
 766                 }
 767                 putc ('\n');
 768 # else  /* !CFG_FLASH_CHECKSUM */
 769                 print_size (flash_size, "\n");
 770 # endif /* CFG_FLASH_CHECKSUM */
 771         } else {
 772                 puts (failed);
 773                 hang ();
 774         }
 775
 776         bd->bi_flashstart = CFG_FLASH_BASE;     /* update start of FLASH memory    */
 777         bd->bi_flashsize = flash_size;  /* size of FLASH memory (final value) */
 778
 779 #if defined(CFG_UPDATE_FLASH_SIZE)
 780         /* Make a update of the Memctrl. */
 781         update_flash_size (flash_size);
 782 #endif
 783
 784
 785 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
 786         /* flash mapped at end of memory map */
 787         bd->bi_flashoffset = TEXT_BASE + flash_size;
 788 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
 789         bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor  */
 790 # else
 791         bd->bi_flashoffset = 0;
 792 # endif
 793 #else   /* CFG_NO_FLASH */
 794
 795         bd->bi_flashsize = 0;
 796         bd->bi_flashstart = 0;
 797         bd->bi_flashoffset = 0;
 798 #endif /* !CFG_NO_FLASH */
 799
 800         WATCHDOG_RESET ();
 801
 802         /* initialize higher level parts of CPU like time base and timers */
 803         cpu_init_r ();
 804
 805         WATCHDOG_RESET ();
 806
 807         /* initialize malloc() area */
 808         mem_malloc_init ();
 809         malloc_bin_reloc ();
 810
 811 #ifdef CONFIG_SPI
 812 # if !defined(CFG_ENV_IS_IN_EEPROM)
 813         spi_init_f ();
 814 # endif
 815         spi_init_r ();
 816 #endif
 817
 818 #if defined(CONFIG_CMD_NAND)
 819         WATCHDOG_RESET ();
 820         puts ("NAND:  ");
 821         nand_init();            /* go init the NAND */
 822 #endif
 823
 824         /* relocate environment function pointers etc. */
 825         env_relocate ();
 826
 827         /*
 828          * Fill in missing fields of bd_info.
 829          * We do this here, where we have "normal" access to the
 830          * environment; we used to do this still running from ROM,
 831          * where had to use getenv_r(), which can be pretty slow when
 832          * the environment is in EEPROM.
 833          */
 834
 835 #if defined(CFG_EXTBDINFO)
 836 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
 837 #if defined(CONFIG_I2CFAST)
 838         /*
 839          * set bi_iic_fast for linux taking environment variable
 840          * "i2cfast" into account
 841          */
 842         {
 843                 char *s = getenv ("i2cfast");
 844                 if (s && ((*s == 'y') || (*s == 'Y'))) {
 845                         bd->bi_iic_fast[0] = 1;
 846                         bd->bi_iic_fast[1] = 1;
 847                 } else {
 848                         bd->bi_iic_fast[0] = 0;
 849                         bd->bi_iic_fast[1] = 0;
 850                 }
 851         }
 852 #else
 853         bd->bi_iic_fast[0] = 0;
 854         bd->bi_iic_fast[1] = 0;
 855 #endif  /* CONFIG_I2CFAST */
 856 #endif  /* CONFIG_405GP, CONFIG_405EP */
 857 #endif  /* CFG_EXTBDINFO */
 858
 859 #if defined(CONFIG_SC3)
 860         sc3_read_eeprom();
 861 #endif
 862
 863 #ifdef CFG_ID_EEPROM
 864         mac_read_from_eeprom();
 865 #endif
 866
 867         s = getenv ("ethaddr");
 868 #if defined (CONFIG_MBX) || \
 869     defined (CONFIG_RPXCLASSIC) || \
 870     defined(CONFIG_IAD210) || \
 871     defined(CONFIG_V38B)
 872         if (s == NULL)
 873                 board_get_enetaddr (bd->bi_enetaddr);
 874         else
 875 #endif
 876                 for (i = 0; i < 6; ++i) {
 877                         bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 878                         if (s)
 879                                 s = (*e) ? e + 1 : e;
 880                 }
 881 #ifdef  CONFIG_HERMES
 882         if ((gd->board_type >> 16) == 2)
 883                 bd->bi_ethspeed = gd->board_type & 0xFFFF;
 884         else
 885                 bd->bi_ethspeed = 0xFFFF;
 886 #endif
 887
 888 #ifdef CONFIG_NX823
 889         load_sernum_ethaddr ();
 890 #endif
 891
 892 #ifdef CONFIG_HAS_ETH1
 893         /* handle the 2nd ethernet address */
 894
 895         s = getenv ("eth1addr");
 896
 897         for (i = 0; i < 6; ++i) {
 898                 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 899                 if (s)
 900                         s = (*e) ? e + 1 : e;
 901         }
 902 #endif
 903 #ifdef CONFIG_HAS_ETH2
 904         /* handle the 3rd ethernet address */
 905
 906         s = getenv ("eth2addr");
 907 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
 908         if (s == NULL)
 909                 board_get_enetaddr(bd->bi_enet2addr);
 910         else
 911 #endif
 912         for (i = 0; i < 6; ++i) {
 913                 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 914                 if (s)
 915                         s = (*e) ? e + 1 : e;
 916         }
 917 #endif
 918
 919 #ifdef CONFIG_HAS_ETH3
 920         /* handle 4th ethernet address */
 921         s = getenv("eth3addr");
 922 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
 923         if (s == NULL)
 924                 board_get_enetaddr(bd->bi_enet3addr);
 925         else
 926 #endif
 927         for (i = 0; i < 6; ++i) {
 928                 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
 929                 if (s)
 930                         s = (*e) ? e + 1 : e;
 931         }
 932 #endif
 933
 934 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
 935     defined(CONFIG_TQM8272) || \
 936     defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
 937     defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
 938         load_sernum_ethaddr ();
 939 #endif
 940         /* IP Address */
 941         bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
 942
 943         WATCHDOG_RESET ();
 944
 945 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
 946         /*
 947          * Do pci configuration
 948          */
 949         pci_init ();
 950 #endif
 951
 952 /** leave this here (after malloc(), environment and PCI are working) **/
 953         /* Initialize devices */
 954         devices_init ();
 955
 956         /* Initialize the jump table for applications */
 957         jumptable_init ();
 958
 959 #if defined(CONFIG_API)
 960         /* Initialize API */
 961         api_init ();
 962 #endif
 963
 964         /* Initialize the console (after the relocation and devices init) */
 965         console_init_r ();
 966
 967 #if defined(CONFIG_CCM)         || \
 968     defined(CONFIG_COGENT)      || \
 969     defined(CONFIG_CPCI405)     || \
 970     defined(CONFIG_EVB64260)    || \
 971     defined(CONFIG_KUP4K)       || \
 972     defined(CONFIG_KUP4X)       || \
 973     defined(CONFIG_LWMON)       || \
 974     defined(CONFIG_PCU_E)       || \
 975     defined(CONFIG_SC3)         || \
 976     defined(CONFIG_W7O)         || \
 977     defined(CONFIG_MISC_INIT_R)
 978         /* miscellaneous platform dependent initialisations */
 979         misc_init_r ();
 980 #endif
 981
 982 #ifdef  CONFIG_HERMES
 983         if (bd->bi_ethspeed != 0xFFFF)
 984                 hermes_start_lxt980 ((int) bd->bi_ethspeed);
 985 #endif
 986
 987 #if defined(CONFIG_CMD_KGDB)
 988         WATCHDOG_RESET ();
 989         puts ("KGDB:  ");
 990         kgdb_init ();
 991 #endif
 992
 993         debug ("U-Boot relocated to %08lx\n", dest_addr);
 994
 995         /*
 996          * Enable Interrupts
 997          */
 998         interrupt_init ();
 999
1000         /* Must happen after interrupts are initialized since
1001          * an irq handler gets installed
1002          */
1003 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1004         serial_buffered_init();
1005 #endif
1006
1007 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1008         status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1009 #endif
1010
1011         udelay (20);
1012
1013         set_timer (0);
1014
1015         /* Initialize from environment */
1016         if ((s = getenv ("loadaddr")) != NULL) {
1017                 load_addr = simple_strtoul (s, NULL, 16);
1018         }
1019 #if defined(CONFIG_CMD_NET)
1020         if ((s = getenv ("bootfile")) != NULL) {
1021                 copy_filename (BootFile, s, sizeof (BootFile));
1022         }
1023 #endif
1024
1025         WATCHDOG_RESET ();
1026
1027 #if defined(CONFIG_CMD_SCSI)
1028         WATCHDOG_RESET ();
1029         puts ("SCSI:  ");
1030         scsi_init ();
1031 #endif
1032
1033 #if defined(CONFIG_CMD_DOC)
1034         WATCHDOG_RESET ();
1035         puts ("DOC:   ");
1036         doc_init ();
1037 #endif
1038
1039 #if defined(CONFIG_CMD_NET)
1040 #if defined(CONFIG_NET_MULTI)
1041         WATCHDOG_RESET ();
1042         puts ("Net:   ");
1043 #endif
1044         eth_initialize (bd);
1045 #endif
1046
1047 #if defined(CONFIG_CMD_NET) && ( \
1048     defined(CONFIG_CCM)         || \
1049     defined(CONFIG_ELPT860)     || \
1050     defined(CONFIG_EP8260)      || \
1051     defined(CONFIG_IP860)       || \
1052     defined(CONFIG_IVML24)      || \
1053     defined(CONFIG_IVMS8)       || \
1054     defined(CONFIG_MPC8260ADS)  || \
1055     defined(CONFIG_MPC8266ADS)  || \
1056     defined(CONFIG_MPC8560ADS)  || \
1057     defined(CONFIG_PCU_E)       || \
1058     defined(CONFIG_RPXSUPER)    || \
1059     defined(CONFIG_STXGP3)      || \
1060     defined(CONFIG_SPD823TS)    || \
1061     defined(CONFIG_RESET_PHY_R) )
1062
1063         WATCHDOG_RESET ();
1064         debug ("Reset Ethernet PHY\n");
1065         reset_phy ();
1066 #endif
1067
1068 #ifdef CONFIG_POST
1069         post_run (NULL, POST_RAM | post_bootmode_get(0));
1070 #endif
1071
1072 #if defined(CONFIG_CMD_PCMCIA) \
1073     && !defined(CONFIG_CMD_IDE)
1074         WATCHDOG_RESET ();
1075         puts ("PCMCIA:");
1076         pcmcia_init ();
1077 #endif
1078
1079 #if defined(CONFIG_CMD_IDE)
1080         WATCHDOG_RESET ();
1081 # ifdef CONFIG_IDE_8xx_PCCARD
1082         puts ("PCMCIA:");
1083 # else
1084         puts ("IDE:   ");
1085 #endif
1086 #if defined(CONFIG_START_IDE)
1087         if (board_start_ide())
1088                 ide_init ();
1089 #else
1090         ide_init ();
1091 #endif
1092 #endif
1093
1094 #ifdef CONFIG_LAST_STAGE_INIT
1095         WATCHDOG_RESET ();
1096         /*
1097          * Some parts can be only initialized if all others (like
1098          * Interrupts) are up and running (i.e. the PC-style ISA
1099          * keyboard).
1100          */
1101         last_stage_init ();
1102 #endif
1103
1104 #if defined(CONFIG_CMD_BEDBUG)
1105         WATCHDOG_RESET ();
1106         bedbug_init ();
1107 #endif
1108
1109 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1110         /*
1111          * Export available size of memory for Linux,
1112          * taking into account the protected RAM at top of memory
1113          */
1114         {
1115                 ulong pram;
1116                 uchar memsz[32];
1117 #ifdef CONFIG_PRAM
1118                 char *s;
1119
1120                 if ((s = getenv ("pram")) != NULL) {
1121                         pram = simple_strtoul (s, NULL, 10);
1122                 } else {
1123                         pram = CONFIG_PRAM;
1124                 }
1125 #else
1126                 pram=0;
1127 #endif
1128 #ifdef CONFIG_LOGBUFFER
1129                 /* Also take the logbuffer into account (pram is in kB) */
1130                 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1131 #endif
1132                 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1133                 setenv ("mem", (char *)memsz);
1134         }
1135 #endif
1136
1137 #ifdef CONFIG_PS2KBD
1138         puts ("PS/2:  ");
1139         kbd_init();
1140 #endif
1141
1142 #ifdef CONFIG_MODEM_SUPPORT
1143  {
1144          extern int do_mdm_init;
1145          do_mdm_init = gd->do_mdm_init;
1146  }
1147 #endif
1148
1149         /* Initialization complete - start the monitor */
1150
1151         /* main_loop() can return to retry autoboot, if so just run it again. */
1152         for (;;) {
1153                 WATCHDOG_RESET ();
1154                 main_loop ();
1155         }
1156
1157         /* NOTREACHED - no way out of command loop except booting */
1158 }
1159
1160 void hang (void)
1161 {
1162         puts ("### ERROR ### Please RESET the board ###\n");
1163         show_boot_progress(-30);
1164         for (;;);
1165 }
1166
1167 #ifdef CONFIG_MODEM_SUPPORT
1168 /* called from main loop (common/main.c) */
1169 /* 'inline' - We have to do it fast */
1170 static inline void mdm_readline(char *buf, int bufsiz)
1171 {
1172         char c;
1173         char *p;
1174         int n;
1175
1176         n = 0;
1177         p = buf;
1178         for(;;) {
1179                 c = serial_getc();
1180
1181                 /*              dbg("(%c)", c); */
1182
1183                 switch(c) {
1184                 case '\r':
1185                         break;
1186                 case '\n':
1187                         *p = '\0';
1188                         return;
1189
1190                 default:
1191                         if(n++ > bufsiz) {
1192                                 *p = '\0';
1193                                 return; /* sanity check */
1194                         }
1195                         *p = c;
1196                         p++;
1197                         break;
1198                 }
1199         }
1200 }
1201
1202 extern void  dbg(const char *fmt, ...);
1203 int mdm_init (void)
1204 {
1205         char env_str[16];
1206         char *init_str;
1207         int i;
1208         extern char console_buffer[];
1209         extern void enable_putc(void);
1210         extern int hwflow_onoff(int);
1211
1212         enable_putc(); /* enable serial_putc() */
1213
1214 #ifdef CONFIG_HWFLOW
1215         init_str = getenv("mdm_flow_control");
1216         if (init_str && (strcmp(init_str, "rts/cts") == 0))
1217                 hwflow_onoff (1);
1218         else
1219                 hwflow_onoff(-1);
1220 #endif
1221
1222         for (i = 1;;i++) {
1223                 sprintf(env_str, "mdm_init%d", i);
1224                 if ((init_str = getenv(env_str)) != NULL) {
1225                         serial_puts(init_str);
1226                         serial_puts("\n");
1227                         for(;;) {
1228                                 mdm_readline(console_buffer, CFG_CBSIZE);
1229                                 dbg("ini%d: [%s]", i, console_buffer);
1230
1231                                 if ((strcmp(console_buffer, "OK") == 0) ||
1232                                         (strcmp(console_buffer, "ERROR") == 0)) {
1233                                         dbg("ini%d: cmd done", i);
1234                                         break;
1235                                 } else /* in case we are originating call ... */
1236                                         if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1237                                                 dbg("ini%d: connect", i);
1238                                                 return 0;
1239                                         }
1240                         }
1241                 } else
1242                         break; /* no init string - stop modem init */
1243
1244                 udelay(100000);
1245         }
1246
1247         udelay(100000);
1248
1249         /* final stage - wait for connect */
1250         for(;i > 1;) { /* if 'i' > 1 - wait for connection
1251                                   message from modem */
1252                 mdm_readline(console_buffer, CFG_CBSIZE);
1253                 dbg("ini_f: [%s]", console_buffer);
1254                 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1255                         dbg("ini_f: connected");
1256                         return 0;
1257                 }
1258         }
1259
1260         return 0;
1261 }
1262
1263 #endif
1264
1265 #if 0 /* We could use plain global data, but the resulting code is bigger */
1266 /*
1267  * Pointer to initial global data area
1268  *
1269  * Here we initialize it.
1270  */
1271 #undef  XTRN_DECLARE_GLOBAL_DATA_PTR
1272 #define XTRN_DECLARE_GLOBAL_DATA_PTR    /* empty = allocate here */
1273 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1274 #endif  /* 0 */
1275
1276 /************************************************************************/