include/common.h

   1 /*
   2  * (C) Copyright 2000-2002
   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 #ifdef  CONFIG_8xx
  45 #include <asm/8xx_immap.h>
  46 #ifdef CONFIG_MPC860
  47 #define CONFIG_MPC86x 1
  48 #endif
  49 #ifdef CONFIG_MPC860T
  50 #define CONFIG_MPC86x 1
  51 #endif
  52 #if defined(CONFIG_MPC866P) || \
  53     defined(CONFIG_MPC866T) || \
  54     defined(CONFIG_MPC859T) || \
  55     defined(CONFIG_MPC859DSL) || \
  56     defined(CONFIG_MPC852T)
  57 #define CONFIG_MPC866_et_al 1
  58 #define CONFIG_MPC86x 1
  59 #endif
  60 #elif defined(CONFIG_5xx)
  61 #include <asm/5xx_immap.h>
  62 #elif defined(CONFIG_8260)
  63 #include <asm/immap_8260.h>
  64 #endif
  65 #ifdef CONFIG_MPC85xx
  66 #include <mpc85xx.h>
  67 #include <asm/immap_85xx.h>
  68 #endif
  69 #ifdef  CONFIG_4xx
  70 #include <ppc4xx.h>
  71 #endif
  72 #ifdef CONFIG_HYMOD
  73 #include <board/hymod/hymod.h>
  74 #endif
  75 #ifdef CONFIG_ARM
  76 #define asmlinkage      /* nothing */
  77 #endif
  78
  79 #include <part.h>
  80 #include <flash.h>
  81 #include <image.h>
  82
  83 #ifdef  DEBUG
  84 #define debug(fmt,args...)      printf (fmt ,##args)
  85 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args);
  86 #else
  87 #define debug(fmt,args...)
  88 #define debugX(level,fmt,args...)
  89 #endif  /* DEBUG */
  90
  91 typedef void (interrupt_handler_t)(void *);
  92
  93 #include <asm/u-boot.h> /* boot information for Linux kernel */
  94 #include <asm/global_data.h>    /* global data used for startup functions */
  95
  96 /*
  97  * enable common handling for all TQM8xxL/M boards:
  98  * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards
  99  * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards
 100  */
 101 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \
 102     defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \
 103     defined(CONFIG_TQM862M)
 104 # ifndef CONFIG_TQM8xxM
 105 #  define CONFIG_TQM8xxM
 106 # endif
 107 #endif
 108 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \
 109     defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \
 110     defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM)
 111 # ifndef CONFIG_TQM8xxL
 112 #  define CONFIG_TQM8xxL
 113 # endif
 114 #endif
 115
 116
 117 /*
 118  * General Purpose Utilities
 119  */
 120 #define min(X, Y)                               \
 121         ({ typeof (X) __x = (X), __y = (Y);     \
 122                 (__x < __y) ? __x : __y; })
 123
 124 #define max(X, Y)                               \
 125         ({ typeof (X) __x = (X), __y = (Y);     \
 126                 (__x > __y) ? __x : __y; })
 127
 128
 129 /*
 130  * Function Prototypes
 131  */
 132
 133 #if CONFIG_SERIAL_SOFTWARE_FIFO
 134 void    serial_buffered_init (void);
 135 void    serial_buffered_putc (const char);
 136 void    serial_buffered_puts (const char *);
 137 int     serial_buffered_getc (void);
 138 int     serial_buffered_tstc (void);
 139 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
 140
 141 void    hang          (void) __attribute__ ((noreturn));
 142
 143 /* */
 144 long int initdram (int);
 145 int     display_options (void);
 146 void    print_size (ulong, const char *);
 147
 148 /* common/main.c */
 149 void    main_loop       (void);
 150 int     run_command     (const char *cmd, int flag);
 151 int     readline        (const char *const prompt);
 152 void    init_cmd_timeout(void);
 153 void    reset_cmd_timeout(void);
 154
 155 /* lib_$(ARCH)/board.c */
 156 void    board_init_f  (ulong);
 157 void    board_init_r  (gd_t *, ulong);
 158 int     checkboard    (void);
 159 int     checkflash    (void);
 160 int     checkdram     (void);
 161 char *  strmhz(char *buf, long hz);
 162 int     last_stage_init(void);
 163 extern ulong monitor_flash_len;
 164
 165 /* common/flash.c */
 166 void flash_perror (int);
 167
 168 /* common/cmd_autoscript.c */
 169 int     autoscript (ulong addr);
 170
 171 /* common/cmd_bootm.c */
 172 void    print_image_hdr (image_header_t *hdr);
 173
 174 extern ulong load_addr;         /* Default Load Address */
 175
 176 /* common/cmd_nvedit.c */
 177 int     env_init     (void);
 178 void    env_relocate (void);
 179 char    *getenv      (uchar *);
 180 int     getenv_r     (uchar *name, uchar *buf, unsigned len);
 181 int     saveenv      (void);
 182 #ifdef CONFIG_PPC               /* ARM version to be fixed! */
 183 void inline setenv   (char *, char *);
 184 #else
 185 void    setenv       (char *, char *);
 186 #endif /* CONFIG_PPC */
 187 #ifdef CONFIG_ARM
 188 # include <asm/u-boot-arm.h>    /* ARM version to be fixed! */
 189 #endif /* CONFIG_ARM */
 190 #ifdef CONFIG_I386              /* x86 version to be fixed! */
 191 # include <asm/u-boot-i386.h>
 192 #endif /* CONFIG_I386 */
 193
 194 void    pci_init      (void);
 195 void    pci_init_board(void);
 196 void    pciinfo       (int, int);
 197
 198 #if defined(CONFIG_PCI) && defined(CONFIG_440)
 199 #   if defined(CFG_PCI_PRE_INIT)
 200     int    pci_pre_init        (struct pci_controller * );
 201 #   endif
 202 #   if defined(CFG_PCI_TARGET_INIT)
 203         void    pci_target_init      (struct pci_controller *);
 204 #   endif
 205 #   if defined(CFG_PCI_MASTER_INIT)
 206         void    pci_master_init      (struct pci_controller *);
 207 #   endif
 208     int     is_pci_host         (struct pci_controller *);
 209 #endif
 210
 211 int     misc_init_f   (void);
 212 int     misc_init_r   (void);
 213
 214 /* common/exports.c */
 215 void    jumptable_init(void);
 216
 217 /* $(BOARD)/$(BOARD).c */
 218 void    reset_phy     (void);
 219 void    fdc_hw_init   (void);
 220
 221 /* $(BOARD)/eeprom.c */
 222 void eeprom_init  (void);
 223 #ifndef CONFIG_SPI
 224 int  eeprom_probe (unsigned dev_addr, unsigned offset);
 225 #endif
 226 int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 227 int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 228 #ifdef CONFIG_LWMON
 229 extern uchar pic_read  (uchar reg);
 230 extern void  pic_write (uchar reg, uchar val);
 231 #endif
 232
 233 /*
 234  * Set this up regardless of board
 235  * type, to prevent errors.
 236  */
 237 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR)
 238 # define CFG_DEF_EEPROM_ADDR 0
 239 #else
 240 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR
 241 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */
 242
 243 #if defined(CONFIG_SPI)
 244 extern void spi_init_f (void);
 245 extern void spi_init_r (void);
 246 extern ssize_t spi_read  (uchar *, int, uchar *, int);
 247 extern ssize_t spi_write (uchar *, int, uchar *, int);
 248 #endif
 249
 250 #ifdef CONFIG_RPXCLASSIC
 251 void rpxclassic_init (void);
 252 #endif
 253
 254 #ifdef CONFIG_MBX
 255 /* $(BOARD)/mbx8xx.c */
 256 void    mbx_init (void);
 257 void    board_serial_init (void);
 258 void    board_ether_init (void);
 259 #endif
 260
 261 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210)
 262 void    board_get_enetaddr (uchar *addr);
 263 #endif
 264
 265 #ifdef CONFIG_HERMES
 266 /* $(BOARD)/hermes.c */
 267 void hermes_start_lxt980 (int speed);
 268 #endif
 269
 270 #ifdef CONFIG_EVB64260
 271 void  evb64260_init(void);
 272 void  debug_led(int, int);
 273 void  display_mem_map(void);
 274 void  perform_soft_reset(void);
 275 #endif
 276
 277 void    load_sernum_ethaddr (void);
 278
 279 /* $(BOARD)/$(BOARD).c */
 280 int board_pre_init (void);
 281 int board_post_init (void);
 282 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
 283 void board_poweroff (void);
 284
 285 #if defined(CFG_DRAM_TEST)
 286 int testdram(void);
 287 #endif /* CFG_DRAM_TEST */
 288
 289 /* $(CPU)/start.S */
 290 #if defined(CONFIG_5xx) || \
 291     defined(CONFIG_8xx)
 292 uint    get_immr      (uint);
 293 #endif
 294 uint    get_pir       (void);
 295 uint    get_pvr       (void);
 296 uint    rd_ic_cst     (void);
 297 void    wr_ic_cst     (uint);
 298 void    wr_ic_adr     (uint);
 299 uint    rd_dc_cst     (void);
 300 void    wr_dc_cst     (uint);
 301 void    wr_dc_adr     (uint);
 302 int     icache_status (void);
 303 void    icache_enable (void);
 304 void    icache_disable(void);
 305 int     dcache_status (void);
 306 void    dcache_enable (void);
 307 void    dcache_disable(void);
 308 void    relocate_code (ulong, gd_t *, ulong);
 309 ulong   get_endaddr   (void);
 310 void    trap_init     (ulong);
 311 #if defined (CONFIG_4xx)        || \
 312     defined (CONFIG_74xx_7xx)   || \
 313     defined (CONFIG_74x)        || \
 314     defined (CONFIG_75x)        || \
 315     defined (CONFIG_74xx)
 316 unsigned char   in8(unsigned int);
 317 void            out8(unsigned int, unsigned char);
 318 unsigned short  in16(unsigned int);
 319 unsigned short  in16r(unsigned int);
 320 void            out16(unsigned int, unsigned short value);
 321 void            out16r(unsigned int, unsigned short value);
 322 unsigned long   in32(unsigned int);
 323 unsigned long   in32r(unsigned int);
 324 void            out32(unsigned int, unsigned long value);
 325 void            out32r(unsigned int, unsigned long value);
 326 void            ppcDcbf(unsigned long value);
 327 void            ppcDcbi(unsigned long value);
 328 void            ppcSync(void);
 329 #endif
 330
 331 /* $(CPU)/cpu.c */
 332 int     checkcpu      (void);
 333 int     checkicache   (void);
 334 int     checkdcache   (void);
 335 void    upmconfig     (unsigned int, unsigned int *, unsigned int);
 336 ulong   get_tbclk     (void);
 337
 338 /* $(CPU)/serial.c */
 339 int     serial_init   (void);
 340 void    serial_setbrg (void);
 341 void    serial_putc   (const char);
 342 void    serial_puts   (const char *);
 343 void    serial_addr   (unsigned int);
 344 int     serial_getc   (void);
 345 int     serial_tstc   (void);
 346
 347 /* $(CPU)/speed.c */
 348 int     get_clocks (void);
 349 #if defined(CONFIG_8260)
 350 int     prt_8260_clks (void);
 351 #endif
 352 #if defined(CONFIG_MPC5XXX)
 353 int     prt_mpc5xxx_clks (void);
 354 #endif
 355 #ifdef CONFIG_4xx
 356 ulong   get_OPB_freq (void);
 357 ulong   get_PCI_freq (void);
 358 #endif
 359 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
 360 ulong   get_FCLK (void);
 361 ulong   get_HCLK (void);
 362 ulong   get_PCLK (void);
 363 ulong   get_UCLK (void);
 364 #endif
 365 #if defined CONFIG_INCA_IP
 366 uint    incaip_get_cpuclk (void);
 367 #endif
 368 ulong   get_bus_freq  (ulong);
 369
 370 #if defined(CONFIG_MPC85xx)
 371 typedef MPC85xx_SYS_INFO sys_info_t;
 372 void    get_sys_info  ( sys_info_t * );
 373 #endif
 374
 375 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
 376 #  if defined(CONFIG_440)
 377     typedef PPC440_SYS_INFO sys_info_t;
 378 #  else
 379     typedef PPC405_SYS_INFO sys_info_t;
 380 #  endif
 381 void    get_sys_info  ( sys_info_t * );
 382 #endif
 383
 384 /* $(CPU)/cpu_init.c */
 385 #if defined(CONFIG_8xx) || defined(CONFIG_8260)
 386 void    cpu_init_f    (volatile immap_t *immr);
 387 #endif
 388 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx)
 389 void    cpu_init_f    (void);
 390 #endif
 391 int     cpu_init_r    (void);
 392 #if defined(CONFIG_8260)
 393 int     prt_8260_rsr  (void);
 394 #endif
 395
 396 /* $(CPU)/interrupts.c */
 397 int     interrupt_init     (void);
 398 void    timer_interrupt    (struct pt_regs *);
 399 void    external_interrupt (struct pt_regs *);
 400 void    irq_install_handler(int, interrupt_handler_t *, void *);
 401 void    irq_free_handler   (int);
 402 void    reset_timer        (void);
 403 ulong   get_timer          (ulong base);
 404 void    set_timer          (ulong t);
 405 void    enable_interrupts  (void);
 406 int     disable_interrupts (void);
 407
 408 /* $(CPU)/.../commproc.c */
 409 int     dpram_init (void);
 410 uint    dpram_base(void);
 411 uint    dpram_base_align(uint align);
 412 uint    dpram_alloc(uint size);
 413 uint    dpram_alloc_align(uint size,uint align);
 414 void    post_word_store (ulong);
 415 ulong   post_word_load (void);
 416 void    bootcount_store (ulong);
 417 ulong   bootcount_load (void);
 418 #define BOOTCOUNT_MAGIC         0xB001C041
 419
 420 /* $(CPU)/.../<eth> */
 421 void mii_init (void);
 422
 423 /* $(CPU)/.../lcd.c */
 424 ulong   lcd_setmem (ulong);
 425
 426 /* $(CPU)/.../vfd.c */
 427 ulong   vfd_setmem (ulong);
 428
 429 /* $(CPU)/.../video.c */
 430 ulong   video_setmem (ulong);
 431
 432 /* ppc/cache.c */
 433 void    flush_cache   (unsigned long, unsigned long);
 434
 435
 436 /* lib_$(ARCH)/ticks.S */
 437 unsigned long long get_ticks(void);
 438 void    wait_ticks    (unsigned long);
 439
 440 /* lib_$(ARCH)/time.c */
 441 void    udelay        (unsigned long);
 442 ulong   usec2ticks    (unsigned long usec);
 443 ulong   ticks2usec    (unsigned long ticks);
 444 int     init_timebase (void);
 445
 446 /* lib_generic/vsprintf.c */
 447 ulong   simple_strtoul(const char *cp,char **endp,unsigned int base);
 448 long    simple_strtol(const char *cp,char **endp,unsigned int base);
 449 void    panic(const char *fmt, ...);
 450 int     sprintf(char * buf, const char *fmt, ...);
 451 int     vsprintf(char *buf, const char *fmt, va_list args);
 452
 453 /* lib_generic/crc32.c */
 454 ulong crc32 (ulong, const unsigned char *, uint);
 455 ulong crc32_no_comp (ulong, const unsigned char *, uint);
 456
 457 /* common/console.c */
 458 int     console_init_f(void);   /* Before relocation; uses the serial  stuff    */
 459 int     console_init_r(void);   /* After  relocation; uses the console stuff    */
 460 int     console_assign (int file, char *devname);       /* Assign the console   */
 461 int     ctrlc (void);
 462 int     had_ctrlc (void);       /* have we had a Control-C since last clear? */
 463 void    clear_ctrlc (void);     /* clear the Control-C condition */
 464 int     disable_ctrlc (int);    /* 1 to disable, 0 to enable Control-C detect */
 465
 466 /*
 467  * STDIO based functions (can always be used)
 468  */
 469
 470 /* serial stuff */
 471 void    serial_printf (const char *fmt, ...);
 472
 473 /* stdin */
 474 int     getc(void);
 475 int     tstc(void);
 476
 477 /* stdout */
 478 void    putc(const char c);
 479 void    puts(const char *s);
 480 void    printf(const char *fmt, ...);
 481 void    vprintf(const char *fmt, va_list args);
 482
 483 /* stderr */
 484 #define eputc(c)                fputc(stderr, c)
 485 #define eputs(s)                fputs(stderr, s)
 486 #define eprintf(fmt,args...)    fprintf(stderr,fmt ,##args)
 487
 488 /*
 489  * FILE based functions (can only be used AFTER relocation!)
 490  */
 491
 492 #define stdin           0
 493 #define stdout          1
 494 #define stderr          2
 495 #define MAX_FILES       3
 496
 497 void    fprintf(int file, const char *fmt, ...);
 498 void    fputs(int file, const char *s);
 499 void    fputc(int file, const char c);
 500 int     ftstc(int file);
 501 int     fgetc(int file);
 502
 503 int     pcmcia_init (void);
 504
 505 #ifdef CONFIG_SHOW_BOOT_PROGRESS
 506 void    show_boot_progress (int status);
 507 #endif
 508
 509 #endif  /* __COMMON_H_ */