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_et_al 1
  52 #elif defined(CONFIG_MPC870) \
  53    || defined(CONFIG_MPC875) \
  54    || defined(CONFIG_MPC880) \
  55    || defined(CONFIG_MPC885)
  56 # define CONFIG_DUET   1
  57 #endif
  58 #if   defined(CONFIG_MPC860)       \
  59    || defined(CONFIG_MPC860T)      \
  60    || defined(CONFIG_MPC866_et_al) \
  61    || defined(CONFIG_DUET)
  62 # define CONFIG_MPC86x 1
  63 #endif
  64 #elif defined(CONFIG_5xx)
  65 #include <asm/5xx_immap.h>
  66 #elif defined(CONFIG_8260)
  67 #include <asm/immap_8260.h>
  68 #endif
  69 #ifdef CONFIG_MPC85xx
  70 #include <mpc85xx.h>
  71 #include <asm/immap_85xx.h>
  72 #endif
  73 #ifdef  CONFIG_4xx
  74 #include <ppc4xx.h>
  75 #endif
  76 #ifdef CONFIG_HYMOD
  77 #include <board/hymod/hymod.h>
  78 #endif
  79 #ifdef CONFIG_ARM
  80 #define asmlinkage      /* nothing */
  81 #endif
  82
  83 #include <part.h>
  84 #include <flash.h>
  85 #include <image.h>
  86
  87 #ifdef  DEBUG
  88 #define debug(fmt,args...)      printf (fmt ,##args)
  89 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args);
  90 #else
  91 #define debug(fmt,args...)
  92 #define debugX(level,fmt,args...)
  93 #endif  /* DEBUG */
  94
  95 typedef void (interrupt_handler_t)(void *);
  96
  97 #include <asm/u-boot.h> /* boot information for Linux kernel */
  98 #include <asm/global_data.h>    /* global data used for startup functions */
  99
 100 /*
 101  * enable common handling for all TQM8xxL/M boards:
 102  * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards
 103  * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards
 104  */
 105 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \
 106     defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \
 107     defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M)
 108 # ifndef CONFIG_TQM8xxM
 109 #  define CONFIG_TQM8xxM
 110 # endif
 111 #endif
 112 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \
 113     defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \
 114     defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM)
 115 # ifndef CONFIG_TQM8xxL
 116 #  define CONFIG_TQM8xxL
 117 # endif
 118 #endif
 119
 120
 121 /*
 122  * General Purpose Utilities
 123  */
 124 #define min(X, Y)                               \
 125         ({ typeof (X) __x = (X), __y = (Y);     \
 126                 (__x < __y) ? __x : __y; })
 127
 128 #define max(X, Y)                               \
 129         ({ typeof (X) __x = (X), __y = (Y);     \
 130                 (__x > __y) ? __x : __y; })
 131
 132
 133 /*
 134  * Function Prototypes
 135  */
 136
 137 #if CONFIG_SERIAL_SOFTWARE_FIFO
 138 void    serial_buffered_init (void);
 139 void    serial_buffered_putc (const char);
 140 void    serial_buffered_puts (const char *);
 141 int     serial_buffered_getc (void);
 142 int     serial_buffered_tstc (void);
 143 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
 144
 145 void    hang          (void) __attribute__ ((noreturn));
 146
 147 /* */
 148 long int initdram (int);
 149 int     display_options (void);
 150 void    print_size (ulong, const char *);
 151
 152 /* common/main.c */
 153 void    main_loop       (void);
 154 int     run_command     (const char *cmd, int flag);
 155 int     readline        (const char *const prompt);
 156 void    init_cmd_timeout(void);
 157 void    reset_cmd_timeout(void);
 158
 159 /* lib_$(ARCH)/board.c */
 160 void    board_init_f  (ulong);
 161 void    board_init_r  (gd_t *, ulong);
 162 int     checkboard    (void);
 163 int     checkflash    (void);
 164 int     checkdram     (void);
 165 char *  strmhz(char *buf, long hz);
 166 int     last_stage_init(void);
 167 extern ulong monitor_flash_len;
 168
 169 /* common/flash.c */
 170 void flash_perror (int);
 171
 172 /* common/cmd_autoscript.c */
 173 int     autoscript (ulong addr);
 174
 175 /* common/cmd_bootm.c */
 176 void    print_image_hdr (image_header_t *hdr);
 177
 178 extern ulong load_addr;         /* Default Load Address */
 179
 180 /* common/cmd_nvedit.c */
 181 int     env_init     (void);
 182 void    env_relocate (void);
 183 char    *getenv      (uchar *);
 184 int     getenv_r     (uchar *name, uchar *buf, unsigned len);
 185 int     saveenv      (void);
 186 #ifdef CONFIG_PPC               /* ARM version to be fixed! */
 187 void inline setenv   (char *, char *);
 188 #else
 189 void    setenv       (char *, char *);
 190 #endif /* CONFIG_PPC */
 191 #ifdef CONFIG_ARM
 192 # include <asm/setup.h>
 193 # include <asm/u-boot-arm.h>    /* ARM version to be fixed! */
 194 #endif /* CONFIG_ARM */
 195 #ifdef CONFIG_I386              /* x86 version to be fixed! */
 196 # include <asm/u-boot-i386.h>
 197 #endif /* CONFIG_I386 */
 198
 199 void    pci_init      (void);
 200 void    pci_init_board(void);
 201 void    pciinfo       (int, int);
 202
 203 #if defined(CONFIG_PCI) && defined(CONFIG_440)
 204 #   if defined(CFG_PCI_PRE_INIT)
 205     int    pci_pre_init        (struct pci_controller * );
 206 #   endif
 207 #   if defined(CFG_PCI_TARGET_INIT)
 208         void    pci_target_init      (struct pci_controller *);
 209 #   endif
 210 #   if defined(CFG_PCI_MASTER_INIT)
 211         void    pci_master_init      (struct pci_controller *);
 212 #   endif
 213     int     is_pci_host         (struct pci_controller *);
 214 #endif
 215
 216 int     misc_init_f   (void);
 217 int     misc_init_r   (void);
 218
 219 /* common/exports.c */
 220 void    jumptable_init(void);
 221
 222 /* $(BOARD)/$(BOARD).c */
 223 void    reset_phy     (void);
 224 void    fdc_hw_init   (void);
 225
 226 /* $(BOARD)/eeprom.c */
 227 void eeprom_init  (void);
 228 #ifndef CONFIG_SPI
 229 int  eeprom_probe (unsigned dev_addr, unsigned offset);
 230 #endif
 231 int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 232 int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 233 #ifdef CONFIG_LWMON
 234 extern uchar pic_read  (uchar reg);
 235 extern void  pic_write (uchar reg, uchar val);
 236 #endif
 237
 238 /*
 239  * Set this up regardless of board
 240  * type, to prevent errors.
 241  */
 242 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR)
 243 # define CFG_DEF_EEPROM_ADDR 0
 244 #else
 245 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR
 246 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */
 247
 248 #if defined(CONFIG_SPI)
 249 extern void spi_init_f (void);
 250 extern void spi_init_r (void);
 251 extern ssize_t spi_read  (uchar *, int, uchar *, int);
 252 extern ssize_t spi_write (uchar *, int, uchar *, int);
 253 #endif
 254
 255 #ifdef CONFIG_RPXCLASSIC
 256 void rpxclassic_init (void);
 257 #endif
 258
 259 #ifdef CONFIG_MBX
 260 /* $(BOARD)/mbx8xx.c */
 261 void    mbx_init (void);
 262 void    board_serial_init (void);
 263 void    board_ether_init (void);
 264 #endif
 265
 266 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210)
 267 void    board_get_enetaddr (uchar *addr);
 268 #endif
 269
 270 #ifdef CONFIG_HERMES
 271 /* $(BOARD)/hermes.c */
 272 void hermes_start_lxt980 (int speed);
 273 #endif
 274
 275 #ifdef CONFIG_EVB64260
 276 void  evb64260_init(void);
 277 void  debug_led(int, int);
 278 void  display_mem_map(void);
 279 void  perform_soft_reset(void);
 280 #endif
 281
 282 void    load_sernum_ethaddr (void);
 283
 284 /* $(BOARD)/$(BOARD).c */
 285 int board_pre_init (void);
 286 int board_post_init (void);
 287 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
 288 void board_poweroff (void);
 289
 290 #if defined(CFG_DRAM_TEST)
 291 int testdram(void);
 292 #endif /* CFG_DRAM_TEST */
 293
 294 /* $(CPU)/start.S */
 295 #if defined(CONFIG_5xx) || \
 296     defined(CONFIG_8xx)
 297 uint    get_immr      (uint);
 298 #endif
 299 uint    get_pir       (void);
 300 uint    get_pvr       (void);
 301 uint    rd_ic_cst     (void);
 302 void    wr_ic_cst     (uint);
 303 void    wr_ic_adr     (uint);
 304 uint    rd_dc_cst     (void);
 305 void    wr_dc_cst     (uint);
 306 void    wr_dc_adr     (uint);
 307 int     icache_status (void);
 308 void    icache_enable (void);
 309 void    icache_disable(void);
 310 int     dcache_status (void);
 311 void    dcache_enable (void);
 312 void    dcache_disable(void);
 313 void    relocate_code (ulong, gd_t *, ulong);
 314 ulong   get_endaddr   (void);
 315 void    trap_init     (ulong);
 316 #if defined (CONFIG_4xx)        || \
 317     defined (CONFIG_74xx_7xx)   || \
 318     defined (CONFIG_74x)        || \
 319     defined (CONFIG_75x)        || \
 320     defined (CONFIG_74xx)
 321 unsigned char   in8(unsigned int);
 322 void            out8(unsigned int, unsigned char);
 323 unsigned short  in16(unsigned int);
 324 unsigned short  in16r(unsigned int);
 325 void            out16(unsigned int, unsigned short value);
 326 void            out16r(unsigned int, unsigned short value);
 327 unsigned long   in32(unsigned int);
 328 unsigned long   in32r(unsigned int);
 329 void            out32(unsigned int, unsigned long value);
 330 void            out32r(unsigned int, unsigned long value);
 331 void            ppcDcbf(unsigned long value);
 332 void            ppcDcbi(unsigned long value);
 333 void            ppcSync(void);
 334 #endif
 335
 336 /* $(CPU)/cpu.c */
 337 int     checkcpu      (void);
 338 int     checkicache   (void);
 339 int     checkdcache   (void);
 340 void    upmconfig     (unsigned int, unsigned int *, unsigned int);
 341 ulong   get_tbclk     (void);
 342
 343 /* $(CPU)/serial.c */
 344 int     serial_init   (void);
 345 void    serial_setbrg (void);
 346 void    serial_putc   (const char);
 347 void    serial_puts   (const char *);
 348 void    serial_addr   (unsigned int);
 349 int     serial_getc   (void);
 350 int     serial_tstc   (void);
 351
 352 /* $(CPU)/speed.c */
 353 int     get_clocks (void);
 354 #if defined(CONFIG_8260)
 355 int     prt_8260_clks (void);
 356 #endif
 357 #if defined(CONFIG_MPC5XXX)
 358 int     prt_mpc5xxx_clks (void);
 359 #endif
 360 #ifdef CONFIG_4xx
 361 ulong   get_OPB_freq (void);
 362 ulong   get_PCI_freq (void);
 363 #endif
 364 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
 365 ulong   get_FCLK (void);
 366 ulong   get_HCLK (void);
 367 ulong   get_PCLK (void);
 368 ulong   get_UCLK (void);
 369 #endif
 370 #if defined CONFIG_INCA_IP
 371 uint    incaip_get_cpuclk (void);
 372 #endif
 373 ulong   get_bus_freq  (ulong);
 374
 375 #if defined(CONFIG_MPC85xx)
 376 typedef MPC85xx_SYS_INFO sys_info_t;
 377 void    get_sys_info  ( sys_info_t * );
 378 #endif
 379
 380 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
 381 #  if defined(CONFIG_440)
 382     typedef PPC440_SYS_INFO sys_info_t;
 383 #  else
 384     typedef PPC405_SYS_INFO sys_info_t;
 385 #  endif
 386 void    get_sys_info  ( sys_info_t * );
 387 #endif
 388
 389 /* $(CPU)/cpu_init.c */
 390 #if defined(CONFIG_8xx) || defined(CONFIG_8260)
 391 void    cpu_init_f    (volatile immap_t *immr);
 392 #endif
 393 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx)
 394 void    cpu_init_f    (void);
 395 #endif
 396 int     cpu_init_r    (void);
 397 #if defined(CONFIG_8260)
 398 int     prt_8260_rsr  (void);
 399 #endif
 400
 401 /* $(CPU)/interrupts.c */
 402 int     interrupt_init     (void);
 403 void    timer_interrupt    (struct pt_regs *);
 404 void    external_interrupt (struct pt_regs *);
 405 void    irq_install_handler(int, interrupt_handler_t *, void *);
 406 void    irq_free_handler   (int);
 407 void    reset_timer        (void);
 408 ulong   get_timer          (ulong base);
 409 void    set_timer          (ulong t);
 410 void    enable_interrupts  (void);
 411 int     disable_interrupts (void);
 412
 413 /* $(CPU)/.../commproc.c */
 414 int     dpram_init (void);
 415 uint    dpram_base(void);
 416 uint    dpram_base_align(uint align);
 417 uint    dpram_alloc(uint size);
 418 uint    dpram_alloc_align(uint size,uint align);
 419 void    post_word_store (ulong);
 420 ulong   post_word_load (void);
 421 void    bootcount_store (ulong);
 422 ulong   bootcount_load (void);
 423 #define BOOTCOUNT_MAGIC         0xB001C041
 424
 425 /* $(CPU)/.../<eth> */
 426 void mii_init (void);
 427
 428 /* $(CPU)/.../lcd.c */
 429 ulong   lcd_setmem (ulong);
 430
 431 /* $(CPU)/.../vfd.c */
 432 ulong   vfd_setmem (ulong);
 433
 434 /* $(CPU)/.../video.c */
 435 ulong   video_setmem (ulong);
 436
 437 /* ppc/cache.c */
 438 void    flush_cache   (unsigned long, unsigned long);
 439
 440
 441 /* lib_$(ARCH)/ticks.S */
 442 unsigned long long get_ticks(void);
 443 void    wait_ticks    (unsigned long);
 444
 445 /* lib_$(ARCH)/time.c */
 446 void    udelay        (unsigned long);
 447 ulong   usec2ticks    (unsigned long usec);
 448 ulong   ticks2usec    (unsigned long ticks);
 449 int     init_timebase (void);
 450
 451 /* lib_generic/vsprintf.c */
 452 ulong   simple_strtoul(const char *cp,char **endp,unsigned int base);
 453 long    simple_strtol(const char *cp,char **endp,unsigned int base);
 454 void    panic(const char *fmt, ...);
 455 int     sprintf(char * buf, const char *fmt, ...);
 456 int     vsprintf(char *buf, const char *fmt, va_list args);
 457
 458 /* lib_generic/crc32.c */
 459 ulong crc32 (ulong, const unsigned char *, uint);
 460 ulong crc32_no_comp (ulong, const unsigned char *, uint);
 461
 462 /* common/console.c */
 463 int     console_init_f(void);   /* Before relocation; uses the serial  stuff    */
 464 int     console_init_r(void);   /* After  relocation; uses the console stuff    */
 465 int     console_assign (int file, char *devname);       /* Assign the console   */
 466 int     ctrlc (void);
 467 int     had_ctrlc (void);       /* have we had a Control-C since last clear? */
 468 void    clear_ctrlc (void);     /* clear the Control-C condition */
 469 int     disable_ctrlc (int);    /* 1 to disable, 0 to enable Control-C detect */
 470
 471 /*
 472  * STDIO based functions (can always be used)
 473  */
 474
 475 /* serial stuff */
 476 void    serial_printf (const char *fmt, ...);
 477
 478 /* stdin */
 479 int     getc(void);
 480 int     tstc(void);
 481
 482 /* stdout */
 483 void    putc(const char c);
 484 void    puts(const char *s);
 485 void    printf(const char *fmt, ...);
 486 void    vprintf(const char *fmt, va_list args);
 487
 488 /* stderr */
 489 #define eputc(c)                fputc(stderr, c)
 490 #define eputs(s)                fputs(stderr, s)
 491 #define eprintf(fmt,args...)    fprintf(stderr,fmt ,##args)
 492
 493 /*
 494  * FILE based functions (can only be used AFTER relocation!)
 495  */
 496
 497 #define stdin           0
 498 #define stdout          1
 499 #define stderr          2
 500 #define MAX_FILES       3
 501
 502 void    fprintf(int file, const char *fmt, ...);
 503 void    fputs(int file, const char *s);
 504 void    fputc(int file, const char c);
 505 int     ftstc(int file);
 506 int     fgetc(int file);
 507
 508 int     pcmcia_init (void);
 509
 510 #ifdef CONFIG_SHOW_BOOT_PROGRESS
 511 void    show_boot_progress (int status);
 512 #endif
 513
 514 #endif  /* __COMMON_H_ */