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 #if defined(CONFIG_MPC8247) \ 68 || defined(CONFIG_MPC8248) \ 69 || defined(CONFIG_MPC8271) \ 70 || defined(CONFIG_MPC8272) 71 #define CONFIG_MPC8272_FAMILY 1 72 #endif 73 #if defined(CONFIG_MPC8272_FAMILY) 74 #define CONFIG_MPC8260 1 75 #endif 76 #include <asm/immap_8260.h> 77 #endif 78 #ifdef CONFIG_MPC85xx 79 #include <mpc85xx.h> 80 #include <asm/immap_85xx.h> 81 #endif 82 #ifdef CONFIG_4xx 83 #include <ppc4xx.h> 84 #endif 85 #ifdef CONFIG_HYMOD 86 #include <board/hymod/hymod.h> 87 #endif 88 #ifdef CONFIG_ARM 89 #define asmlinkage /* nothing */ 90 #endif 91 92 #include <part.h> 93 #include <flash.h> 94 #include <image.h> 95 96 #ifdef DEBUG 97 #define debug(fmt,args...) printf (fmt ,##args) 98 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 99 #else 100 #define debug(fmt,args...) 101 #define debugX(level,fmt,args...) 102 #endif /* DEBUG */ 103 104 typedef void (interrupt_handler_t)(void *); 105 106 #include <asm/u-boot.h> /* boot information for Linux kernel */ 107 #include <asm/global_data.h> /* global data used for startup functions */ 108 109 /* 110 * enable common handling for all TQM8xxL/M boards: 111 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 112 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 113 */ 114 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 115 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 116 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 117 # ifndef CONFIG_TQM8xxM 118 # define CONFIG_TQM8xxM 119 # endif 120 #endif 121 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 122 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 123 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 124 # ifndef CONFIG_TQM8xxL 125 # define CONFIG_TQM8xxL 126 # endif 127 #endif 128 129 130 /* 131 * General Purpose Utilities 132 */ 133 #define min(X, Y) \ 134 ({ typeof (X) __x = (X), __y = (Y); \ 135 (__x < __y) ? __x : __y; }) 136 137 #define max(X, Y) \ 138 ({ typeof (X) __x = (X), __y = (Y); \ 139 (__x > __y) ? __x : __y; }) 140 141 142 /* 143 * Function Prototypes 144 */ 145 146 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 147 void serial_buffered_init (void); 148 void serial_buffered_putc (const char); 149 void serial_buffered_puts (const char *); 150 int serial_buffered_getc (void); 151 int serial_buffered_tstc (void); 152 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 153 154 void hang (void) __attribute__ ((noreturn)); 155 156 /* */ 157 long int initdram (int); 158 int display_options (void); 159 void print_size (ulong, const char *); 160 161 /* common/main.c */ 162 void main_loop (void); 163 int run_command (const char *cmd, int flag); 164 int readline (const char *const prompt); 165 void init_cmd_timeout(void); 166 void reset_cmd_timeout(void); 167 168 /* lib_$(ARCH)/board.c */ 169 void board_init_f (ulong); 170 void board_init_r (gd_t *, ulong); 171 int checkboard (void); 172 int checkflash (void); 173 int checkdram (void); 174 char * strmhz(char *buf, long hz); 175 int last_stage_init(void); 176 extern ulong monitor_flash_len; 177 178 /* common/flash.c */ 179 void flash_perror (int); 180 181 /* common/cmd_autoscript.c */ 182 int autoscript (ulong addr); 183 184 /* common/cmd_bootm.c */ 185 void print_image_hdr (image_header_t *hdr); 186 187 extern ulong load_addr; /* Default Load Address */ 188 189 /* common/cmd_nvedit.c */ 190 int env_init (void); 191 void env_relocate (void); 192 char *getenv (uchar *); 193 int getenv_r (uchar *name, uchar *buf, unsigned len); 194 int saveenv (void); 195 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 196 void inline setenv (char *, char *); 197 #else 198 void setenv (char *, char *); 199 #endif /* CONFIG_PPC */ 200 #ifdef CONFIG_ARM 201 # include <asm/setup.h> 202 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 203 #endif /* CONFIG_ARM */ 204 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 205 # include <asm/u-boot-i386.h> 206 #endif /* CONFIG_I386 */ 207 208 #ifdef CONFIG_AUTO_COMPLETE 209 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 210 #endif 211 212 void pci_init (void); 213 void pci_init_board(void); 214 void pciinfo (int, int); 215 216 #if defined(CONFIG_PCI) && defined(CONFIG_440) 217 # if defined(CFG_PCI_PRE_INIT) 218 int pci_pre_init (struct pci_controller * ); 219 # endif 220 # if defined(CFG_PCI_TARGET_INIT) 221 void pci_target_init (struct pci_controller *); 222 # endif 223 # if defined(CFG_PCI_MASTER_INIT) 224 void pci_master_init (struct pci_controller *); 225 # endif 226 int is_pci_host (struct pci_controller *); 227 #endif 228 229 int misc_init_f (void); 230 int misc_init_r (void); 231 232 /* common/exports.c */ 233 void jumptable_init(void); 234 235 /* common/memsize.c */ 236 int get_ram_size (volatile long *, long); 237 238 /* $(BOARD)/$(BOARD).c */ 239 void reset_phy (void); 240 void fdc_hw_init (void); 241 242 /* $(BOARD)/eeprom.c */ 243 void eeprom_init (void); 244 #ifndef CONFIG_SPI 245 int eeprom_probe (unsigned dev_addr, unsigned offset); 246 #endif 247 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 248 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 249 #ifdef CONFIG_LWMON 250 extern uchar pic_read (uchar reg); 251 extern void pic_write (uchar reg, uchar val); 252 #endif 253 254 /* 255 * Set this up regardless of board 256 * type, to prevent errors. 257 */ 258 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 259 # define CFG_DEF_EEPROM_ADDR 0 260 #else 261 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 262 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 263 264 #if defined(CONFIG_SPI) 265 extern void spi_init_f (void); 266 extern void spi_init_r (void); 267 extern ssize_t spi_read (uchar *, int, uchar *, int); 268 extern ssize_t spi_write (uchar *, int, uchar *, int); 269 #endif 270 271 #ifdef CONFIG_RPXCLASSIC 272 void rpxclassic_init (void); 273 #endif 274 275 #ifdef CONFIG_MBX 276 /* $(BOARD)/mbx8xx.c */ 277 void mbx_init (void); 278 void board_serial_init (void); 279 void board_ether_init (void); 280 #endif 281 282 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 283 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) 284 void board_get_enetaddr (uchar *addr); 285 #endif 286 287 #ifdef CONFIG_HERMES 288 /* $(BOARD)/hermes.c */ 289 void hermes_start_lxt980 (int speed); 290 #endif 291 292 #ifdef CONFIG_EVB64260 293 void evb64260_init(void); 294 void debug_led(int, int); 295 void display_mem_map(void); 296 void perform_soft_reset(void); 297 #endif 298 299 void load_sernum_ethaddr (void); 300 301 /* $(BOARD)/$(BOARD).c */ 302 int board_early_init_f (void); 303 int board_late_init (void); 304 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 305 int board_early_init_r (void); 306 void board_poweroff (void); 307 308 #if defined(CFG_DRAM_TEST) 309 int testdram(void); 310 #endif /* CFG_DRAM_TEST */ 311 312 /* $(CPU)/start.S */ 313 #if defined(CONFIG_5xx) || \ 314 defined(CONFIG_8xx) 315 uint get_immr (uint); 316 #endif 317 uint get_pir (void); 318 uint get_pvr (void); 319 uint rd_ic_cst (void); 320 void wr_ic_cst (uint); 321 void wr_ic_adr (uint); 322 uint rd_dc_cst (void); 323 void wr_dc_cst (uint); 324 void wr_dc_adr (uint); 325 int icache_status (void); 326 void icache_enable (void); 327 void icache_disable(void); 328 int dcache_status (void); 329 void dcache_enable (void); 330 void dcache_disable(void); 331 void relocate_code (ulong, gd_t *, ulong); 332 ulong get_endaddr (void); 333 void trap_init (ulong); 334 #if defined (CONFIG_4xx) || \ 335 defined (CONFIG_MPC5xxx) || \ 336 defined (CONFIG_74xx_7xx) || \ 337 defined (CONFIG_74x) || \ 338 defined (CONFIG_75x) || \ 339 defined (CONFIG_74xx) 340 unsigned char in8(unsigned int); 341 void out8(unsigned int, unsigned char); 342 unsigned short in16(unsigned int); 343 unsigned short in16r(unsigned int); 344 void out16(unsigned int, unsigned short value); 345 void out16r(unsigned int, unsigned short value); 346 unsigned long in32(unsigned int); 347 unsigned long in32r(unsigned int); 348 void out32(unsigned int, unsigned long value); 349 void out32r(unsigned int, unsigned long value); 350 void ppcDcbf(unsigned long value); 351 void ppcDcbi(unsigned long value); 352 void ppcSync(void); 353 #endif 354 355 /* $(CPU)/cpu.c */ 356 int checkcpu (void); 357 int checkicache (void); 358 int checkdcache (void); 359 void upmconfig (unsigned int, unsigned int *, unsigned int); 360 ulong get_tbclk (void); 361 362 /* $(CPU)/serial.c */ 363 int serial_init (void); 364 void serial_setbrg (void); 365 void serial_putc (const char); 366 void serial_puts (const char *); 367 void serial_addr (unsigned int); 368 int serial_getc (void); 369 int serial_tstc (void); 370 371 /* $(CPU)/speed.c */ 372 int get_clocks (void); 373 int get_clocks_866 (void); 374 int sdram_adjust_866 (void); 375 int adjust_sdram_tbs_8xx (void); 376 #if defined(CONFIG_8260) 377 int prt_8260_clks (void); 378 #endif 379 #if defined(CONFIG_MPC5xxx) 380 int prt_mpc5xxx_clks (void); 381 #endif 382 #ifdef CONFIG_4xx 383 ulong get_OPB_freq (void); 384 ulong get_PCI_freq (void); 385 #endif 386 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) 387 ulong get_FCLK (void); 388 ulong get_HCLK (void); 389 ulong get_PCLK (void); 390 ulong get_UCLK (void); 391 #endif 392 #if defined CONFIG_INCA_IP 393 uint incaip_get_cpuclk (void); 394 #endif 395 ulong get_bus_freq (ulong); 396 397 #if defined(CONFIG_MPC85xx) 398 typedef MPC85xx_SYS_INFO sys_info_t; 399 void get_sys_info ( sys_info_t * ); 400 #endif 401 402 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 403 # if defined(CONFIG_440) 404 typedef PPC440_SYS_INFO sys_info_t; 405 # else 406 typedef PPC405_SYS_INFO sys_info_t; 407 # endif 408 void get_sys_info ( sys_info_t * ); 409 #endif 410 411 /* $(CPU)/cpu_init.c */ 412 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 413 void cpu_init_f (volatile immap_t *immr); 414 #endif 415 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) 416 void cpu_init_f (void); 417 #endif 418 419 int cpu_init_r (void); 420 #if defined(CONFIG_8260) 421 int prt_8260_rsr (void); 422 #endif 423 424 /* $(CPU)/interrupts.c */ 425 int interrupt_init (void); 426 void timer_interrupt (struct pt_regs *); 427 void external_interrupt (struct pt_regs *); 428 void irq_install_handler(int, interrupt_handler_t *, void *); 429 void irq_free_handler (int); 430 void reset_timer (void); 431 ulong get_timer (ulong base); 432 void set_timer (ulong t); 433 void enable_interrupts (void); 434 int disable_interrupts (void); 435 436 /* $(CPU)/.../commproc.c */ 437 int dpram_init (void); 438 uint dpram_base(void); 439 uint dpram_base_align(uint align); 440 uint dpram_alloc(uint size); 441 uint dpram_alloc_align(uint size,uint align); 442 void post_word_store (ulong); 443 ulong post_word_load (void); 444 void bootcount_store (ulong); 445 ulong bootcount_load (void); 446 #define BOOTCOUNT_MAGIC 0xB001C041 447 448 /* $(CPU)/.../<eth> */ 449 void mii_init (void); 450 451 /* $(CPU)/.../lcd.c */ 452 ulong lcd_setmem (ulong); 453 454 /* $(CPU)/.../vfd.c */ 455 ulong vfd_setmem (ulong); 456 457 /* $(CPU)/.../video.c */ 458 ulong video_setmem (ulong); 459 460 /* ppc/cache.c */ 461 void flush_cache (unsigned long, unsigned long); 462 463 464 /* lib_$(ARCH)/ticks.S */ 465 unsigned long long get_ticks(void); 466 void wait_ticks (unsigned long); 467 468 /* lib_$(ARCH)/time.c */ 469 void udelay (unsigned long); 470 ulong usec2ticks (unsigned long usec); 471 ulong ticks2usec (unsigned long ticks); 472 int init_timebase (void); 473 474 /* lib_generic/vsprintf.c */ 475 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 476 #ifdef CFG_64BIT_VSPRINTF 477 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 478 #endif 479 long simple_strtol(const char *cp,char **endp,unsigned int base); 480 void panic(const char *fmt, ...); 481 int sprintf(char * buf, const char *fmt, ...); 482 int vsprintf(char *buf, const char *fmt, va_list args); 483 484 /* lib_generic/crc32.c */ 485 ulong crc32 (ulong, const unsigned char *, uint); 486 ulong crc32_no_comp (ulong, const unsigned char *, uint); 487 488 /* common/console.c */ 489 int console_init_f(void); /* Before relocation; uses the serial stuff */ 490 int console_init_r(void); /* After relocation; uses the console stuff */ 491 int console_assign (int file, char *devname); /* Assign the console */ 492 int ctrlc (void); 493 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 494 void clear_ctrlc (void); /* clear the Control-C condition */ 495 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 496 497 /* 498 * STDIO based functions (can always be used) 499 */ 500 501 /* serial stuff */ 502 void serial_printf (const char *fmt, ...); 503 504 /* stdin */ 505 int getc(void); 506 int tstc(void); 507 508 /* stdout */ 509 void putc(const char c); 510 void puts(const char *s); 511 void printf(const char *fmt, ...); 512 void vprintf(const char *fmt, va_list args); 513 514 /* stderr */ 515 #define eputc(c) fputc(stderr, c) 516 #define eputs(s) fputs(stderr, s) 517 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 518 519 /* 520 * FILE based functions (can only be used AFTER relocation!) 521 */ 522 523 #define stdin 0 524 #define stdout 1 525 #define stderr 2 526 #define MAX_FILES 3 527 528 void fprintf(int file, const char *fmt, ...); 529 void fputs(int file, const char *s); 530 void fputc(int file, const char c); 531 int ftstc(int file); 532 int fgetc(int file); 533 534 int pcmcia_init (void); 535 536 #ifdef CONFIG_SHOW_BOOT_PROGRESS 537 void show_boot_progress (int status); 538 #endif 539 540 #endif /* __COMMON_H_ */ 541