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_8260)
  47 #include <asm/immap_8260.h>
  48 #endif
  49 #ifdef  CONFIG_4xx
  50 #include <ppc4xx.h>
  51 #endif
  52 #ifdef CONFIG_HYMOD
  53 #include <asm/hymod.h>
  54 #endif
  55 #ifdef CONFIG_ARM
  56 #define asmlinkage      /* nothing */
  57 #endif
  58
  59 #include <part.h>
  60 #include <flash.h>
  61 #include <image.h>
  62
  63 #ifdef  DEBUG
  64 #define debug(fmt,args...)      printf (fmt ,##args)
  65 #else
  66 #define debug(fmt,args...)
  67 #endif  /* DEBUG */
  68
  69 typedef void (interrupt_handler_t)(void *);
  70
  71 #include <asm/u-boot.h> /* boot information for Linux kernel */
  72 #include <asm/global_data.h>    /* global data used for startup functions */
  73
  74 /* enable common handling for all TQM8xxL boards */
  75 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \
  76     defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L)
  77 # ifndef CONFIG_TQM8xxL
  78 #  define CONFIG_TQM8xxL
  79 # endif
  80 #endif
  81
  82
  83 /*
  84  * General Purpose Utilities
  85  */
  86 #define min(X, Y)                               \
  87         ({ typeof (X) __x = (X), __y = (Y);     \
  88                 (__x < __y) ? __x : __y; })
  89
  90 #define max(X, Y)                               \
  91         ({ typeof (X) __x = (X), __y = (Y);     \
  92                 (__x > __y) ? __x : __y; })
  93
  94
  95 /*
  96  * Function Prototypes
  97  */
  98
  99 #if CONFIG_SERIAL_SOFTWARE_FIFO
 100 void    serial_buffered_init (void);
 101 void    serial_buffered_putc (const char);
 102 void    serial_buffered_puts (const char *);
 103 int     serial_buffered_getc (void);
 104 int     serial_buffered_tstc (void);
 105 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
 106
 107 void    hang          (void) __attribute__ ((noreturn));
 108
 109 /* */
 110 long int initdram (int);
 111 int     display_options (void);
 112 void    print_size (ulong, const char *);
 113
 114 /* common/main.c */
 115 void    main_loop       (void);
 116 int     run_command     (const char *cmd, int flag);
 117 int     readline        (const char *const prompt);
 118 void    reset_cmd_timeout(void);
 119
 120 /* common/board.c */
 121 void    board_init_f  (ulong);
 122 void    board_init_r  (gd_t *, ulong);
 123 int     checkboard    (void);
 124 int     checkflash    (void);
 125 int     checkdram     (void);
 126 char *  strmhz(char *buf, long hz);
 127 int     last_stage_init(void);
 128
 129 /* common/flash.c */
 130 void flash_perror (int);
 131
 132 /* common/cmd_bootm.c */
 133 void print_image_hdr (image_header_t *hdr);
 134
 135 extern ulong load_addr;         /* Default Load Address */
 136
 137 /* common/cmd_nvedit.c */
 138 int     env_init     (void);
 139 void    env_relocate (void);
 140 char    *getenv      (uchar *);
 141 int     getenv_r     (uchar *name, uchar *buf, unsigned len);
 142 int     saveenv      (void);
 143 #ifdef CONFIG_PPC               /* ARM version to be fixed! */
 144 void inline setenv   (char *, char *);
 145 #else
 146 void    setenv       (char *, char *);
 147 #endif /* CONFIG_PPC */
 148 #ifdef CONFIG_ARM
 149 # include <asm/u-boot-arm.h>    /* ARM version to be fixed! */
 150 #endif /* CONFIG_ARM */
 151 #ifdef CONFIG_I386              /* x86 version to be fixed! */
 152 # include <asm/u-boot-i386.h>
 153 #endif /* CONFIG_I386 */
 154
 155 void    pci_init      (void);
 156 void    pci_init_board(void);
 157 void    pciinfo       (int, int);
 158
 159 #if defined(CONFIG_PCI) && defined(CONFIG_440)
 160 #   if defined(CFG_PCI_PRE_INIT)
 161     int    pci_pre_init        (struct pci_controller * );
 162 #   endif
 163 #   if defined(CFG_PCI_TARGET_INIT)
 164         void    pci_target_init      (struct pci_controller *);
 165 #   endif
 166 #   if defined(CFG_PCI_MASTER_INIT)
 167         void    pci_master_init      (struct pci_controller *);
 168 #   endif
 169     int     is_pci_host         (struct pci_controller *);
 170 #endif
 171
 172 int     misc_init_f   (void);
 173 int     misc_init_r   (void);
 174
 175 /* $(BOARD)/$(BOARD).c */
 176 void    reset_phy     (void);
 177 void    fdc_hw_init   (void);
 178
 179 /* $(BOARD)/eeprom.c */
 180 void eeprom_init  (void);
 181 int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 182 int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 183 #ifdef CONFIG_LWMON
 184 extern uchar pic_read  (uchar reg);
 185 extern void  pic_write (uchar reg, uchar val);
 186 #endif
 187
 188 /*
 189  * Set this up regardless of board
 190  * type, to prevent errors.
 191  */
 192 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR)
 193 # define CFG_DEF_EEPROM_ADDR 0
 194 #else
 195 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR
 196 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */
 197
 198 #if defined(CONFIG_PCU_E) || defined(CONFIG_CCM)
 199 extern void spi_init_f (void);
 200 extern void spi_init_r (void);
 201 extern ssize_t spi_read  (uchar *, int, uchar *, int);
 202 extern ssize_t spi_write (uchar *, int, uchar *, int);
 203 #endif
 204
 205 #ifdef CONFIG_RPXCLASSIC
 206 void rpxclassic_init (void);
 207 #endif
 208
 209 #ifdef CONFIG_MBX
 210 /* $(BOARD)/mbx8xx.c */
 211 void    mbx_init (void);
 212 void    board_serial_init (void);
 213 void    board_ether_init (void);
 214 #endif
 215
 216 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210)
 217 void    board_get_enetaddr (uchar *addr);
 218 #endif
 219
 220 #ifdef CONFIG_HERMES
 221 /* $(BOARD)/hermes.c */
 222 void hermes_start_lxt980 (int speed);
 223 #endif
 224
 225 #ifdef CONFIG_EVB64260
 226 void  evb64260_init(void);
 227 void  debug_led(int, int);
 228 void  display_mem_map(void);
 229 void  perform_soft_reset(void);
 230 #endif
 231
 232 void    load_sernum_ethaddr (void);
 233
 234 /* $(BOARD)/$(BOARD).c */
 235 int board_pre_init (void);
 236 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
 237 void board_poweroff (void);
 238
 239 #if defined(CFG_DRAM_TEST)
 240 int testdram(void);
 241 #endif /* CFG_DRAM_TEST */
 242
 243 /* $(CPU)/start.S */
 244 #ifdef  CONFIG_8xx
 245 uint    get_immr      (uint);
 246 #endif
 247 uint    get_pvr       (void);
 248 uint    rd_ic_cst     (void);
 249 void    wr_ic_cst     (uint);
 250 void    wr_ic_adr     (uint);
 251 uint    rd_dc_cst     (void);
 252 void    wr_dc_cst     (uint);
 253 void    wr_dc_adr     (uint);
 254 int     icache_status (void);
 255 void    icache_enable (void);
 256 void    icache_disable(void);
 257 int     dcache_status (void);
 258 void    dcache_enable (void);
 259 void    dcache_disable(void);
 260 void    relocate_code (ulong, gd_t *, ulong);
 261 ulong   get_endaddr   (void);
 262 void    trap_init     (ulong);
 263 #if defined (CONFIG_4xx)        || \
 264     defined (CONFIG_74xx_7xx)   || \
 265     defined (CONFIG_74x)        || \
 266     defined (CONFIG_75x)        || \
 267     defined (CONFIG_74xx)
 268 unsigned char   in8(unsigned int);
 269 void            out8(unsigned int, unsigned char);
 270 unsigned short  in16(unsigned int);
 271 unsigned short  in16r(unsigned int);
 272 void            out16(unsigned int, unsigned short value);
 273 void            out16r(unsigned int, unsigned short value);
 274 unsigned long   in32(unsigned int);
 275 unsigned long   in32r(unsigned int);
 276 void            out32(unsigned int, unsigned long value);
 277 void            out32r(unsigned int, unsigned long value);
 278 void            ppcDcbf(unsigned long value);
 279 void            ppcDcbi(unsigned long value);
 280 void            ppcSync(void);
 281 #endif
 282
 283 /* $(CPU)/cpu.c */
 284 int     checkcpu      (void);
 285 int     checkicache   (void);
 286 int     checkdcache   (void);
 287 void    upmconfig     (unsigned int, unsigned int *, unsigned int);
 288 ulong   get_tbclk     (void);
 289
 290 /* $(CPU)/serial.c */
 291 int     serial_init   (void);
 292 void    serial_setbrg (void);
 293 void    serial_putc   (const char);
 294 void    serial_puts   (const char *);
 295 void    serial_addr   (unsigned int);
 296 int     serial_getc   (void);
 297 int     serial_tstc   (void);
 298
 299 /* $(CPU)/speed.c */
 300 int     get_clocks (void);
 301 #if defined(CONFIG_8260)
 302 int     prt_8260_clks (void);
 303 #endif
 304 #ifdef CONFIG_4xx
 305 ulong   get_OPB_freq (void);
 306 ulong   get_PCI_freq (void);
 307 #endif
 308 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
 309 ulong   get_FCLK (void);
 310 ulong   get_HCLK (void);
 311 ulong   get_PCLK (void);
 312 ulong   get_UCLK (void);
 313 #endif
 314 ulong   get_bus_freq  (ulong);
 315
 316 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
 317 #  if defined(CONFIG_440)
 318     typedef PPC440_SYS_INFO sys_info_t;
 319 #  else
 320     typedef PPC405_SYS_INFO sys_info_t;
 321 #  endif
 322 void    get_sys_info  ( sys_info_t * );
 323 #endif
 324
 325 /* $(CPU)/cpu_init.c */
 326 #if defined(CONFIG_8xx) || defined(CONFIG_8260)
 327 void    cpu_init_f    (volatile immap_t *immr);
 328 #endif
 329 #ifdef  CONFIG_4xx
 330 void    cpu_init_f    (void);
 331 #endif
 332 int     cpu_init_r    (void);
 333 #if defined(CONFIG_8260)
 334 int     prt_8260_rsr  (void);
 335 #endif
 336
 337 /* $(CPU)/interrupts.c */
 338 int     interrupt_init     (void);
 339 void    timer_interrupt    (struct pt_regs *);
 340 void    external_interrupt (struct pt_regs *);
 341 void    irq_install_handler(int, interrupt_handler_t *, void *);
 342 void    irq_free_handler   (int);
 343 void    reset_timer        (void);
 344 ulong   get_timer          (ulong base);
 345 void    set_timer          (ulong t);
 346 void    enable_interrupts  (void);
 347 int     disable_interrupts (void);
 348
 349 /* $(CPU)/.../commproc.c */
 350 int     dpram_init (void);
 351 uint    dpram_base(void);
 352 uint    dpram_base_align(uint align);
 353 uint    dpram_alloc(uint size);
 354 uint    dpram_alloc_align(uint size,uint align);
 355 void    post_word_store (ulong);
 356 ulong   post_word_load (void);
 357
 358 /* $(CPU)/.../<eth> */
 359 void mii_init (void);
 360
 361 /* $(CPU)/.../lcd.c */
 362 ulong   lcd_setmem (ulong);
 363
 364 /* $(CPU)/.../vfd.c */
 365 ulong   vfd_setmem (ulong);
 366
 367 /* $(CPU)/.../video.c */
 368 ulong   video_setmem (ulong);
 369
 370 /* ppc/cache.c */
 371 void    flush_cache   (unsigned long, unsigned long);
 372
 373 /* ppc/ticks.S */
 374 unsigned long long get_ticks(void);
 375 void    wait_ticks    (unsigned long);
 376
 377 /* ppc/time.c */
 378 void    udelay        (unsigned long);
 379 ulong   usec2ticks    (unsigned long usec);
 380 ulong   ticks2usec    (unsigned long ticks);
 381 int     init_timebase (void);
 382
 383 /* ppc/vsprintf.c */
 384 ulong   simple_strtoul(const char *cp,char **endp,unsigned int base);
 385 long    simple_strtol(const char *cp,char **endp,unsigned int base);
 386 void    panic(const char *fmt, ...);
 387 int     sprintf(char * buf, const char *fmt, ...);
 388 int     vsprintf(char *buf, const char *fmt, va_list args);
 389
 390 /* ppc/crc32.c */
 391 ulong crc32 (ulong, const unsigned char *, uint);
 392 ulong crc32_no_comp (ulong, const unsigned char *, uint);
 393
 394 /* common/console.c */
 395 extern void **syscall_tbl;
 396
 397 int     console_init_f(void);   /* Before relocation; uses the serial  stuff    */
 398 int     console_init_r(void);   /* After  relocation; uses the console stuff    */
 399 int     console_assign (int file, char *devname);       /* Assign the console   */
 400 int     ctrlc (void);
 401 int     had_ctrlc (void);       /* have we had a Control-C since last clear? */
 402 void    clear_ctrlc (void);     /* clear the Control-C condition */
 403 int     disable_ctrlc (int);    /* 1 to disable, 0 to enable Control-C detect */
 404
 405 /*
 406  * STDIO based functions (can always be used)
 407  */
 408
 409 /* serial stuff */
 410 void    serial_printf (const char *fmt, ...);
 411
 412 /* stdin */
 413 int     getc(void);
 414 int     tstc(void);
 415
 416 /* stdout */
 417 void    putc(const char c);
 418 void    puts(const char *s);
 419 void    printf(const char *fmt, ...);
 420
 421 /* stderr */
 422 #define eputc(c)                fputc(stderr, c)
 423 #define eputs(s)                fputs(stderr, s)
 424 #define eprintf(fmt,args...)    fprintf(stderr,fmt ,##args)
 425
 426 /*
 427  * FILE based functions (can only be used AFTER relocation!)
 428  */
 429
 430 #define stdin           0
 431 #define stdout          1
 432 #define stderr          2
 433 #define MAX_FILES       3
 434
 435 void    fprintf(int file, const char *fmt, ...);
 436 void    fputs(int file, const char *s);
 437 void    fputc(int file, const char c);
 438 int     ftstc(int file);
 439 int     fgetc(int file);
 440
 441 int     pcmcia_init (void);
 442
 443 #ifdef CONFIG_SHOW_BOOT_PROGRESS
 444 void    show_boot_progress (int status);
 445 #endif
 446
 447 #endif  /* __COMMON_H_ */