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