include/common.h

   1 /*
   2  * (C) Copyright 2000-2004
   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 #ifndef __COMMON_H_
  25 #define __COMMON_H_     1
  26
  27 #undef  _LINUX_CONFIG_H
  28 #define _LINUX_CONFIG_H 1       /* avoid reading Linux autoconf.h file  */
  29
  30 typedef unsigned char           uchar;
  31 typedef volatile unsigned long  vu_long;
  32 typedef volatile unsigned short vu_short;
  33 typedef volatile unsigned char  vu_char;
  34
  35 #include <config.h>
  36 #include <linux/bitops.h>
  37 #include <linux/types.h>
  38 #include <linux/string.h>
  39 #include <asm/ptrace.h>
  40 #include <stdarg.h>
  41 #if defined(CONFIG_PCI) && defined(CONFIG_440)
  42 #include <pci.h>
  43 #endif
  44 #if defined(CONFIG_8xx)
  45 #include <asm/8xx_immap.h>
  46 #if defined(CONFIG_MPC852)      || defined(CONFIG_MPC852T)      || \
  47     defined(CONFIG_MPC859)      || defined(CONFIG_MPC859T)      || \
  48     defined(CONFIG_MPC859DSL)   || \
  49     defined(CONFIG_MPC866)      || defined(CONFIG_MPC866T)      || \
  50     defined(CONFIG_MPC866P)
  51 # define CONFIG_MPC866_FAMILY 1
  52 #elif defined(CONFIG_MPC870) \
  53    || defined(CONFIG_MPC875) \
  54    || defined(CONFIG_MPC880) \
  55    || defined(CONFIG_MPC885)
  56 # define CONFIG_MPC885_FAMILY   1
  57 #endif
  58 #if   defined(CONFIG_MPC860)       \
  59    || defined(CONFIG_MPC860T)      \
  60    || defined(CONFIG_MPC866_FAMILY) \
  61    || defined(CONFIG_MPC885_FAMILY)
  62 # define CONFIG_MPC86x 1
  63 #endif
  64 #elif defined(CONFIG_5xx)
  65 #include <asm/5xx_immap.h>
  66 #elif defined(CONFIG_MPC5xxx)
  67 #include <mpc5xxx.h>
  68 #elif defined(CONFIG_MPC8220)
  69 #include <asm/immap_8220.h>
  70 #elif defined(CONFIG_8260)
  71 #if   defined(CONFIG_MPC8247) \
  72    || defined(CONFIG_MPC8248) \
  73    || defined(CONFIG_MPC8271) \
  74    || defined(CONFIG_MPC8272)
  75 #define CONFIG_MPC8272_FAMILY   1
  76 #endif
  77 #if defined(CONFIG_MPC8272_FAMILY)
  78 #define CONFIG_MPC8260  1
  79 #endif
  80 #include <asm/immap_8260.h>
  81 #endif
  82 #ifdef CONFIG_MPC85xx
  83 #include <mpc85xx.h>
  84 #include <asm/immap_85xx.h>
  85 #endif
  86 #ifdef CONFIG_MPC83XX
  87 #include <mpc83xx.h>
  88 #include <asm/immap_83xx.h>
  89 #endif
  90 #ifdef  CONFIG_4xx
  91 #include <ppc4xx.h>
  92 #endif
  93 #ifdef CONFIG_HYMOD
  94 #include <board/hymod/hymod.h>
  95 #endif
  96 #ifdef CONFIG_ARM
  97 #define asmlinkage      /* nothing */
  98 #endif
  99
 100 #include <part.h>
 101 #include <flash.h>
 102 #include <image.h>
 103
 104 #ifdef  DEBUG
 105 #define debug(fmt,args...)      printf (fmt ,##args)
 106 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args);
 107 #else
 108 #define debug(fmt,args...)
 109 #define debugX(level,fmt,args...)
 110 #endif  /* DEBUG */
 111
 112 typedef void (interrupt_handler_t)(void *);
 113
 114 #include <asm/u-boot.h> /* boot information for Linux kernel */
 115 #include <asm/global_data.h>    /* global data used for startup functions */
 116
 117 /*
 118  * enable common handling for all TQM8xxL/M boards:
 119  * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards
 120  * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards
 121  */
 122 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \
 123     defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \
 124     defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M)
 125 # ifndef CONFIG_TQM8xxM
 126 #  define CONFIG_TQM8xxM
 127 # endif
 128 #endif
 129 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \
 130     defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \
 131     defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM)
 132 # ifndef CONFIG_TQM8xxL
 133 #  define CONFIG_TQM8xxL
 134 # endif
 135 #endif
 136
 137 #ifndef CONFIG_SERIAL_MULTI
 138
 139 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \
 140  || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
 141  || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
 142
 143 #define CONFIG_SERIAL_MULTI     1
 144
 145 #endif
 146
 147 #endif /* CONFIG_SERIAL_MULTI */
 148
 149 /*
 150  * General Purpose Utilities
 151  */
 152 #define min(X, Y)                               \
 153         ({ typeof (X) __x = (X), __y = (Y);     \
 154                 (__x < __y) ? __x : __y; })
 155
 156 #define max(X, Y)                               \
 157         ({ typeof (X) __x = (X), __y = (Y);     \
 158                 (__x > __y) ? __x : __y; })
 159
 160
 161 /*
 162  * Function Prototypes
 163  */
 164
 165 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
 166 void    serial_buffered_init (void);
 167 void    serial_buffered_putc (const char);
 168 void    serial_buffered_puts (const char *);
 169 int     serial_buffered_getc (void);
 170 int     serial_buffered_tstc (void);
 171 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
 172
 173 void    hang            (void) __attribute__ ((noreturn));
 174
 175 /* */
 176 long int initdram (int);
 177 int     display_options (void);
 178 void    print_size (ulong, const char *);
 179
 180 /* common/main.c */
 181 void    main_loop       (void);
 182 int     run_command     (const char *cmd, int flag);
 183 int     readline        (const char *const prompt);
 184 void    init_cmd_timeout(void);
 185 void    reset_cmd_timeout(void);
 186
 187 /* lib_$(ARCH)/board.c */
 188 void    board_init_f  (ulong);
 189 void    board_init_r  (gd_t *, ulong);
 190 int     checkboard    (void);
 191 int     checkflash    (void);
 192 int     checkdram     (void);
 193 char *  strmhz(char *buf, long hz);
 194 int     last_stage_init(void);
 195 extern ulong monitor_flash_len;
 196
 197 /* common/flash.c */
 198 void flash_perror (int);
 199
 200 /* common/cmd_autoscript.c */
 201 int     autoscript (ulong addr);
 202
 203 /* common/cmd_bootm.c */
 204 void    print_image_hdr (image_header_t *hdr);
 205
 206 extern ulong load_addr;         /* Default Load Address */
 207
 208 /* common/cmd_nvedit.c */
 209 int     env_init     (void);
 210 void    env_relocate (void);
 211 char    *getenv      (uchar *);
 212 int     getenv_r     (uchar *name, uchar *buf, unsigned len);
 213 int     saveenv      (void);
 214 #ifdef CONFIG_PPC               /* ARM version to be fixed! */
 215 void inline setenv   (char *, char *);
 216 #else
 217 void    setenv       (char *, char *);
 218 #endif /* CONFIG_PPC */
 219 #ifdef CONFIG_ARM
 220 # include <asm/mach-types.h>
 221 # include <asm/setup.h>
 222 # include <asm/u-boot-arm.h>    /* ARM version to be fixed! */
 223 #endif /* CONFIG_ARM */
 224 #ifdef CONFIG_I386              /* x86 version to be fixed! */
 225 # include <asm/u-boot-i386.h>
 226 #endif /* CONFIG_I386 */
 227
 228 #ifdef CONFIG_AUTO_COMPLETE
 229 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
 230 #endif
 231
 232 void    pci_init      (void);
 233 void    pci_init_board(void);
 234 void    pciinfo       (int, int);
 235
 236 #if defined(CONFIG_PCI) && defined(CONFIG_440)
 237 #   if defined(CFG_PCI_PRE_INIT)
 238     int    pci_pre_init        (struct pci_controller * );
 239 #   endif
 240 #   if defined(CFG_PCI_TARGET_INIT)
 241         void    pci_target_init      (struct pci_controller *);
 242 #   endif
 243 #   if defined(CFG_PCI_MASTER_INIT)
 244         void    pci_master_init      (struct pci_controller *);
 245 #   endif
 246     int     is_pci_host         (struct pci_controller *);
 247 #endif
 248
 249 int     misc_init_f   (void);
 250 int     misc_init_r   (void);
 251
 252 /* common/exports.c */
 253 void    jumptable_init(void);
 254
 255 /* common/memsize.c */
 256 int     get_ram_size  (volatile long *, long);
 257
 258 /* $(BOARD)/$(BOARD).c */
 259 void    reset_phy     (void);
 260 void    fdc_hw_init   (void);
 261
 262 /* $(BOARD)/eeprom.c */
 263 void eeprom_init  (void);
 264 #ifndef CONFIG_SPI
 265 int  eeprom_probe (unsigned dev_addr, unsigned offset);
 266 #endif
 267 int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 268 int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 269 #ifdef CONFIG_LWMON
 270 extern uchar pic_read  (uchar reg);
 271 extern void  pic_write (uchar reg, uchar val);
 272 #endif
 273
 274 /*
 275  * Set this up regardless of board
 276  * type, to prevent errors.
 277  */
 278 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR)
 279 # define CFG_DEF_EEPROM_ADDR 0
 280 #else
 281 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR
 282 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */
 283
 284 #if defined(CONFIG_SPI)
 285 extern void spi_init_f (void);
 286 extern void spi_init_r (void);
 287 extern ssize_t spi_read  (uchar *, int, uchar *, int);
 288 extern ssize_t spi_write (uchar *, int, uchar *, int);
 289 #endif
 290
 291 #ifdef CONFIG_RPXCLASSIC
 292 void rpxclassic_init (void);
 293 #endif
 294
 295 void rpxlite_init (void);
 296
 297 #ifdef CONFIG_MBX
 298 /* $(BOARD)/mbx8xx.c */
 299 void    mbx_init (void);
 300 void    board_serial_init (void);
 301 void    board_ether_init (void);
 302 #endif
 303
 304 #if defined(CONFIG_RPXCLASSIC)  || defined(CONFIG_MBX) || \
 305     defined(CONFIG_IAD210)      || defined(CONFIG_XPEDITE1K)
 306 void    board_get_enetaddr (uchar *addr);
 307 #endif
 308
 309 #ifdef CONFIG_HERMES
 310 /* $(BOARD)/hermes.c */
 311 void hermes_start_lxt980 (int speed);
 312 #endif
 313
 314 #ifdef CONFIG_EVB64260
 315 void  evb64260_init(void);
 316 void  debug_led(int, int);
 317 void  display_mem_map(void);
 318 void  perform_soft_reset(void);
 319 #endif
 320
 321 void    load_sernum_ethaddr (void);
 322
 323 /* $(BOARD)/$(BOARD).c */
 324 int board_early_init_f (void);
 325 int board_late_init (void);
 326 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
 327 int board_early_init_r (void);
 328 void board_poweroff (void);
 329
 330 #if defined(CFG_DRAM_TEST)
 331 int testdram(void);
 332 #endif /* CFG_DRAM_TEST */
 333
 334 /* $(CPU)/start.S */
 335 #if defined(CONFIG_5xx) || \
 336     defined(CONFIG_8xx)
 337 uint    get_immr      (uint);
 338 #endif
 339 uint    get_pir       (void);
 340 #if defined(CONFIG_MPC5xxx)
 341 uint    get_svr       (void);
 342 #endif
 343 uint    get_pvr       (void);
 344 uint    get_svr       (void);
 345 uint    rd_ic_cst     (void);
 346 void    wr_ic_cst     (uint);
 347 void    wr_ic_adr     (uint);
 348 uint    rd_dc_cst     (void);
 349 void    wr_dc_cst     (uint);
 350 void    wr_dc_adr     (uint);
 351 int     icache_status (void);
 352 void    icache_enable (void);
 353 void    icache_disable(void);
 354 int     dcache_status (void);
 355 void    dcache_enable (void);
 356 void    dcache_disable(void);
 357 void    relocate_code (ulong, gd_t *, ulong);
 358 ulong   get_endaddr   (void);
 359 void    trap_init     (ulong);
 360 #if defined (CONFIG_4xx)        || \
 361     defined (CONFIG_MPC5xxx)    || \
 362     defined (CONFIG_74xx_7xx)   || \
 363     defined (CONFIG_74x)        || \
 364     defined (CONFIG_75x)        || \
 365     defined (CONFIG_74xx)       || \
 366     defined (CONFIG_MPC8220)    || \
 367     defined(CONFIG_MPC85xx)
 368 unsigned char   in8(unsigned int);
 369 void            out8(unsigned int, unsigned char);
 370 unsigned short  in16(unsigned int);
 371 unsigned short  in16r(unsigned int);
 372 void            out16(unsigned int, unsigned short value);
 373 void            out16r(unsigned int, unsigned short value);
 374 unsigned long   in32(unsigned int);
 375 unsigned long   in32r(unsigned int);
 376 void            out32(unsigned int, unsigned long value);
 377 void            out32r(unsigned int, unsigned long value);
 378 void            ppcDcbf(unsigned long value);
 379 void            ppcDcbi(unsigned long value);
 380 void            ppcSync(void);
 381 void            ppcDcbz(unsigned long value);
 382 #endif
 383
 384 /* $(CPU)/cpu.c */
 385 int     checkcpu      (void);
 386 int     checkicache   (void);
 387 int     checkdcache   (void);
 388 void    upmconfig     (unsigned int, unsigned int *, unsigned int);
 389 ulong   get_tbclk     (void);
 390 void    reset_cpu     (ulong addr);
 391
 392 /* $(CPU)/serial.c */
 393 int     serial_init   (void);
 394 void    serial_addr   (unsigned int);
 395 void    serial_setbrg (void);
 396 void    serial_putc   (const char);
 397 void    serial_putc_raw(const char);
 398 void    serial_puts   (const char *);
 399 int     serial_getc   (void);
 400 int     serial_tstc   (void);
 401
 402 void    _serial_setbrg (const int);
 403 void    _serial_putc   (const char, const int);
 404 void    _serial_putc_raw(const char, const int);
 405 void    _serial_puts   (const char *, const int);
 406 int     _serial_getc   (const int);
 407 int     _serial_tstc   (const int);
 408
 409 /* $(CPU)/speed.c */
 410 int     get_clocks (void);
 411 int     get_clocks_866 (void);
 412 int     sdram_adjust_866 (void);
 413 int     adjust_sdram_tbs_8xx (void);
 414 #if defined(CONFIG_8260)
 415 int     prt_8260_clks (void);
 416 #elif defined(CONFIG_MPC83XX)
 417 int print_clock_conf(void);
 418 #elif defined(CONFIG_MPC5xxx)
 419 int     prt_mpc5xxx_clks (void);
 420 #endif
 421 #if defined(CONFIG_MPC8220)
 422 int     prt_mpc8220_clks (void);
 423 #endif
 424 #ifdef CONFIG_4xx
 425 ulong   get_OPB_freq (void);
 426 ulong   get_PCI_freq (void);
 427 #endif
 428 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X)
 429 ulong   get_FCLK (void);
 430 ulong   get_HCLK (void);
 431 ulong   get_PCLK (void);
 432 ulong   get_UCLK (void);
 433 #endif
 434 #if defined(CONFIG_LH7A40X)
 435 ulong   get_PLLCLK (void);
 436 #endif
 437 #if defined CONFIG_INCA_IP
 438 uint    incaip_get_cpuclk (void);
 439 #endif
 440 #if defined(CONFIG_IMX)
 441 ulong get_systemPLLCLK(void);
 442 ulong get_FCLK(void);
 443 ulong get_HCLK(void);
 444 ulong get_BCLK(void);
 445 ulong get_PERCLK1(void);
 446 ulong get_PERCLK2(void);
 447 ulong get_PERCLK3(void);
 448 #endif
 449 ulong   get_bus_freq  (ulong);
 450
 451 #if defined(CONFIG_MPC85xx)
 452 typedef MPC85xx_SYS_INFO sys_info_t;
 453 void    get_sys_info  ( sys_info_t * );
 454 #endif
 455
 456 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
 457 #  if defined(CONFIG_440)
 458     typedef PPC440_SYS_INFO sys_info_t;
 459 #  else
 460     typedef PPC405_SYS_INFO sys_info_t;
 461 #  endif
 462 void    get_sys_info  ( sys_info_t * );
 463 #endif
 464
 465 /* $(CPU)/cpu_init.c */
 466 #if defined(CONFIG_8xx) || defined(CONFIG_8260)
 467 void    cpu_init_f    (volatile immap_t *immr);
 468 #endif
 469 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2)
 470 void    cpu_init_f    (void);
 471 #endif
 472
 473 int     cpu_init_r    (void);
 474 #if defined(CONFIG_8260)
 475 int     prt_8260_rsr  (void);
 476 #endif
 477
 478 /* $(CPU)/interrupts.c */
 479 int     interrupt_init     (void);
 480 void    timer_interrupt    (struct pt_regs *);
 481 void    external_interrupt (struct pt_regs *);
 482 void    irq_install_handler(int, interrupt_handler_t *, void *);
 483 void    irq_free_handler   (int);
 484 void    reset_timer        (void);
 485 ulong   get_timer          (ulong base);
 486 void    set_timer          (ulong t);
 487 void    enable_interrupts  (void);
 488 int     disable_interrupts (void);
 489
 490 /* $(CPU)/.../commproc.c */
 491 int     dpram_init (void);
 492 uint    dpram_base(void);
 493 uint    dpram_base_align(uint align);
 494 uint    dpram_alloc(uint size);
 495 uint    dpram_alloc_align(uint size,uint align);
 496 void    post_word_store (ulong);
 497 ulong   post_word_load (void);
 498 void    bootcount_store (ulong);
 499 ulong   bootcount_load (void);
 500 #define BOOTCOUNT_MAGIC         0xB001C041
 501
 502 /* $(CPU)/.../<eth> */
 503 void mii_init (void);
 504
 505 /* $(CPU)/.../lcd.c */
 506 ulong   lcd_setmem (ulong);
 507
 508 /* $(CPU)/.../vfd.c */
 509 ulong   vfd_setmem (ulong);
 510
 511 /* $(CPU)/.../video.c */
 512 ulong   video_setmem (ulong);
 513
 514 /* lib_$(ARCH)/cache.c */
 515 void    flush_cache   (unsigned long, unsigned long);
 516
 517
 518 /* lib_$(ARCH)/ticks.S */
 519 unsigned long long get_ticks(void);
 520 void    wait_ticks    (unsigned long);
 521
 522 /* lib_$(ARCH)/time.c */
 523 void    udelay        (unsigned long);
 524 ulong   usec2ticks    (unsigned long usec);
 525 ulong   ticks2usec    (unsigned long ticks);
 526 int     init_timebase (void);
 527
 528 /* lib_generic/vsprintf.c */
 529 ulong   simple_strtoul(const char *cp,char **endp,unsigned int base);
 530 #ifdef CFG_64BIT_VSPRINTF
 531 unsigned long long      simple_strtoull(const char *cp,char **endp,unsigned int base);
 532 #endif
 533 long    simple_strtol(const char *cp,char **endp,unsigned int base);
 534 void    panic(const char *fmt, ...);
 535 int     sprintf(char * buf, const char *fmt, ...);
 536 int     vsprintf(char *buf, const char *fmt, va_list args);
 537
 538 /* lib_generic/crc32.c */
 539 ulong crc32 (ulong, const unsigned char *, uint);
 540 ulong crc32_no_comp (ulong, const unsigned char *, uint);
 541
 542 /* common/console.c */
 543 int     console_init_f(void);   /* Before relocation; uses the serial  stuff    */
 544 int     console_init_r(void);   /* After  relocation; uses the console stuff    */
 545 int     console_assign (int file, char *devname);       /* Assign the console   */
 546 int     ctrlc (void);
 547 int     had_ctrlc (void);       /* have we had a Control-C since last clear? */
 548 void    clear_ctrlc (void);     /* clear the Control-C condition */
 549 int     disable_ctrlc (int);    /* 1 to disable, 0 to enable Control-C detect */
 550
 551 /*
 552  * STDIO based functions (can always be used)
 553  */
 554
 555 /* serial stuff */
 556 void    serial_printf (const char *fmt, ...);
 557
 558 /* stdin */
 559 int     getc(void);
 560 int     tstc(void);
 561
 562 /* stdout */
 563 void    putc(const char c);
 564 void    puts(const char *s);
 565 void    printf(const char *fmt, ...);
 566 void    vprintf(const char *fmt, va_list args);
 567
 568 /* stderr */
 569 #define eputc(c)                fputc(stderr, c)
 570 #define eputs(s)                fputs(stderr, s)
 571 #define eprintf(fmt,args...)    fprintf(stderr,fmt ,##args)
 572
 573 /*
 574  * FILE based functions (can only be used AFTER relocation!)
 575  */
 576
 577 #define stdin           0
 578 #define stdout          1
 579 #define stderr          2
 580 #define MAX_FILES       3
 581
 582 void    fprintf(int file, const char *fmt, ...);
 583 void    fputs(int file, const char *s);
 584 void    fputc(int file, const char c);
 585 int     ftstc(int file);
 586 int     fgetc(int file);
 587
 588 int     pcmcia_init (void);
 589
 590 #ifdef CONFIG_SHOW_BOOT_PROGRESS
 591 void    show_boot_progress (int status);
 592 #endif
 593
 594 #ifdef CONFIG_INIT_CRITICAL
 595 #error CONFIG_INIT_CRITICAL is depracted!
 596 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
 597 #endif
 598
 599 #endif  /* __COMMON_H_ */