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