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_FAMILY 1 52 #elif defined(CONFIG_MPC870) \ 53 || defined(CONFIG_MPC875) \ 54 || defined(CONFIG_MPC880) \ 55 || defined(CONFIG_MPC885) 56 # define CONFIG_MPC885_FAMILY 1 57 #endif 58 #if defined(CONFIG_MPC860) \ 59 || defined(CONFIG_MPC860T) \ 60 || defined(CONFIG_MPC866_FAMILY) \ 61 || defined(CONFIG_MPC885_FAMILY) 62 # define CONFIG_MPC86x 1 63 #endif 64 #elif defined(CONFIG_5xx) 65 #include <asm/5xx_immap.h> 66 #elif defined(CONFIG_MPC5xxx) 67 #include <mpc5xxx.h> 68 #elif defined(CONFIG_MPC8220) 69 #include <asm/immap_8220.h> 70 #elif defined(CONFIG_8260) 71 #if defined(CONFIG_MPC8247) \ 72 || defined(CONFIG_MPC8248) \ 73 || defined(CONFIG_MPC8271) \ 74 || defined(CONFIG_MPC8272) 75 #define CONFIG_MPC8272_FAMILY 1 76 #endif 77 #if defined(CONFIG_MPC8272_FAMILY) 78 #define CONFIG_MPC8260 1 79 #endif 80 #include <asm/immap_8260.h> 81 #endif 82 #ifdef CONFIG_MPC85xx 83 #include <mpc85xx.h> 84 #include <asm/immap_85xx.h> 85 #endif 86 #ifdef CONFIG_4xx 87 #include <ppc4xx.h> 88 #endif 89 #ifdef CONFIG_HYMOD 90 #include <board/hymod/hymod.h> 91 #endif 92 #ifdef CONFIG_ARM 93 #define asmlinkage /* nothing */ 94 #endif 95 96 #include <part.h> 97 #include <flash.h> 98 #include <image.h> 99 100 #ifdef DEBUG 101 #define debug(fmt,args...) printf (fmt ,##args) 102 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 103 #else 104 #define debug(fmt,args...) 105 #define debugX(level,fmt,args...) 106 #endif /* DEBUG */ 107 108 typedef void (interrupt_handler_t)(void *); 109 110 #include <asm/u-boot.h> /* boot information for Linux kernel */ 111 #include <asm/global_data.h> /* global data used for startup functions */ 112 113 /* 114 * enable common handling for all TQM8xxL/M boards: 115 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 116 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 117 */ 118 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 119 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 120 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 121 # ifndef CONFIG_TQM8xxM 122 # define CONFIG_TQM8xxM 123 # endif 124 #endif 125 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 126 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 127 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 128 # ifndef CONFIG_TQM8xxL 129 # define CONFIG_TQM8xxL 130 # endif 131 #endif 132 133 #ifndef CONFIG_SERIAL_MULTI 134 135 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 136 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 137 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 138 139 #define CONFIG_SERIAL_MULTI 1 140 141 #endif 142 143 #endif /* CONFIG_SERIAL_MULTI */ 144 145 /* 146 * General Purpose Utilities 147 */ 148 #define min(X, Y) \ 149 ({ typeof (X) __x = (X), __y = (Y); \ 150 (__x < __y) ? __x : __y; }) 151 152 #define max(X, Y) \ 153 ({ typeof (X) __x = (X), __y = (Y); \ 154 (__x > __y) ? __x : __y; }) 155 156 157 /* 158 * Function Prototypes 159 */ 160 161 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 162 void serial_buffered_init (void); 163 void serial_buffered_putc (const char); 164 void serial_buffered_puts (const char *); 165 int serial_buffered_getc (void); 166 int serial_buffered_tstc (void); 167 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 168 169 void hang (void) __attribute__ ((noreturn)); 170 171 /* */ 172 long int initdram (int); 173 int display_options (void); 174 void print_size (ulong, const char *); 175 176 /* common/main.c */ 177 void main_loop (void); 178 int run_command (const char *cmd, int flag); 179 int readline (const char *const prompt); 180 void init_cmd_timeout(void); 181 void reset_cmd_timeout(void); 182 183 /* lib_$(ARCH)/board.c */ 184 void board_init_f (ulong); 185 void board_init_r (gd_t *, ulong); 186 int checkboard (void); 187 int checkflash (void); 188 int checkdram (void); 189 char * strmhz(char *buf, long hz); 190 int last_stage_init(void); 191 extern ulong monitor_flash_len; 192 193 /* common/flash.c */ 194 void flash_perror (int); 195 196 /* common/cmd_autoscript.c */ 197 int autoscript (ulong addr); 198 199 /* common/cmd_bootm.c */ 200 void print_image_hdr (image_header_t *hdr); 201 202 extern ulong load_addr; /* Default Load Address */ 203 204 /* common/cmd_nvedit.c */ 205 int env_init (void); 206 void env_relocate (void); 207 char *getenv (uchar *); 208 int getenv_r (uchar *name, uchar *buf, unsigned len); 209 int saveenv (void); 210 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 211 void inline setenv (char *, char *); 212 #else 213 void setenv (char *, char *); 214 #endif /* CONFIG_PPC */ 215 #ifdef CONFIG_ARM 216 # include <asm/mach-types.h> 217 # include <asm/setup.h> 218 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 219 #endif /* CONFIG_ARM */ 220 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 221 # include <asm/u-boot-i386.h> 222 #endif /* CONFIG_I386 */ 223 224 #ifdef CONFIG_AUTO_COMPLETE 225 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 226 #endif 227 228 void pci_init (void); 229 void pci_init_board(void); 230 void pciinfo (int, int); 231 232 #if defined(CONFIG_PCI) && defined(CONFIG_440) 233 # if defined(CFG_PCI_PRE_INIT) 234 int pci_pre_init (struct pci_controller * ); 235 # endif 236 # if defined(CFG_PCI_TARGET_INIT) 237 void pci_target_init (struct pci_controller *); 238 # endif 239 # if defined(CFG_PCI_MASTER_INIT) 240 void pci_master_init (struct pci_controller *); 241 # endif 242 int is_pci_host (struct pci_controller *); 243 #endif 244 245 int misc_init_f (void); 246 int misc_init_r (void); 247 248 /* common/exports.c */ 249 void jumptable_init(void); 250 251 /* common/memsize.c */ 252 int get_ram_size (volatile long *, long); 253 254 /* $(BOARD)/$(BOARD).c */ 255 void reset_phy (void); 256 void fdc_hw_init (void); 257 258 /* $(BOARD)/eeprom.c */ 259 void eeprom_init (void); 260 #ifndef CONFIG_SPI 261 int eeprom_probe (unsigned dev_addr, unsigned offset); 262 #endif 263 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 264 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 265 #ifdef CONFIG_LWMON 266 extern uchar pic_read (uchar reg); 267 extern void pic_write (uchar reg, uchar val); 268 #endif 269 270 /* 271 * Set this up regardless of board 272 * type, to prevent errors. 273 */ 274 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 275 # define CFG_DEF_EEPROM_ADDR 0 276 #else 277 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 278 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 279 280 #if defined(CONFIG_SPI) 281 extern void spi_init_f (void); 282 extern void spi_init_r (void); 283 extern ssize_t spi_read (uchar *, int, uchar *, int); 284 extern ssize_t spi_write (uchar *, int, uchar *, int); 285 #endif 286 287 #ifdef CONFIG_RPXCLASSIC 288 void rpxclassic_init (void); 289 #endif 290 291 void rpxlite_init (void); 292 293 #ifdef CONFIG_MBX 294 /* $(BOARD)/mbx8xx.c */ 295 void mbx_init (void); 296 void board_serial_init (void); 297 void board_ether_init (void); 298 #endif 299 300 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 301 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) 302 void board_get_enetaddr (uchar *addr); 303 #endif 304 305 #ifdef CONFIG_HERMES 306 /* $(BOARD)/hermes.c */ 307 void hermes_start_lxt980 (int speed); 308 #endif 309 310 #ifdef CONFIG_EVB64260 311 void evb64260_init(void); 312 void debug_led(int, int); 313 void display_mem_map(void); 314 void perform_soft_reset(void); 315 #endif 316 317 void load_sernum_ethaddr (void); 318 319 /* $(BOARD)/$(BOARD).c */ 320 int board_early_init_f (void); 321 int board_late_init (void); 322 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 323 int board_early_init_r (void); 324 void board_poweroff (void); 325 326 #if defined(CFG_DRAM_TEST) 327 int testdram(void); 328 #endif /* CFG_DRAM_TEST */ 329 330 /* $(CPU)/start.S */ 331 #if defined(CONFIG_5xx) || \ 332 defined(CONFIG_8xx) 333 uint get_immr (uint); 334 #endif 335 uint get_pir (void); 336 #if defined(CONFIG_MPC5xxx) 337 uint get_svr (void); 338 #endif 339 uint get_pvr (void); 340 uint get_svr (void); 341 uint rd_ic_cst (void); 342 void wr_ic_cst (uint); 343 void wr_ic_adr (uint); 344 uint rd_dc_cst (void); 345 void wr_dc_cst (uint); 346 void wr_dc_adr (uint); 347 int icache_status (void); 348 void icache_enable (void); 349 void icache_disable(void); 350 int dcache_status (void); 351 void dcache_enable (void); 352 void dcache_disable(void); 353 void relocate_code (ulong, gd_t *, ulong); 354 ulong get_endaddr (void); 355 void trap_init (ulong); 356 #if defined (CONFIG_4xx) || \ 357 defined (CONFIG_MPC5xxx) || \ 358 defined (CONFIG_74xx_7xx) || \ 359 defined (CONFIG_74x) || \ 360 defined (CONFIG_75x) || \ 361 defined (CONFIG_74xx) || \ 362 defined (CONFIG_MPC8220) || \ 363 defined(CONFIG_MPC85xx) 364 unsigned char in8(unsigned int); 365 void out8(unsigned int, unsigned char); 366 unsigned short in16(unsigned int); 367 unsigned short in16r(unsigned int); 368 void out16(unsigned int, unsigned short value); 369 void out16r(unsigned int, unsigned short value); 370 unsigned long in32(unsigned int); 371 unsigned long in32r(unsigned int); 372 void out32(unsigned int, unsigned long value); 373 void out32r(unsigned int, unsigned long value); 374 void ppcDcbf(unsigned long value); 375 void ppcDcbi(unsigned long value); 376 void ppcSync(void); 377 void ppcDcbz(unsigned long value); 378 #endif 379 380 /* $(CPU)/cpu.c */ 381 int checkcpu (void); 382 int checkicache (void); 383 int checkdcache (void); 384 void upmconfig (unsigned int, unsigned int *, unsigned int); 385 ulong get_tbclk (void); 386 void reset_cpu (ulong addr); 387 388 /* $(CPU)/serial.c */ 389 int serial_init (void); 390 void serial_addr (unsigned int); 391 void serial_setbrg (void); 392 void serial_putc (const char); 393 void serial_putc_raw(const char); 394 void serial_puts (const char *); 395 int serial_getc (void); 396 int serial_tstc (void); 397 398 void _serial_setbrg (const int); 399 void _serial_putc (const char, const int); 400 void _serial_putc_raw(const char, const int); 401 void _serial_puts (const char *, const int); 402 int _serial_getc (const int); 403 int _serial_tstc (const int); 404 405 /* $(CPU)/speed.c */ 406 int get_clocks (void); 407 int get_clocks_866 (void); 408 int sdram_adjust_866 (void); 409 int adjust_sdram_tbs_8xx (void); 410 #if defined(CONFIG_8260) 411 int prt_8260_clks (void); 412 #endif 413 #if defined(CONFIG_MPC5xxx) 414 int prt_mpc5xxx_clks (void); 415 #endif 416 #if defined(CONFIG_MPC8220) 417 int prt_mpc8220_clks (void); 418 #endif 419 #ifdef CONFIG_4xx 420 ulong get_OPB_freq (void); 421 ulong get_PCI_freq (void); 422 #endif 423 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 424 ulong get_FCLK (void); 425 ulong get_HCLK (void); 426 ulong get_PCLK (void); 427 ulong get_UCLK (void); 428 #endif 429 #if defined(CONFIG_LH7A40X) 430 ulong get_PLLCLK (void); 431 #endif 432 #if defined CONFIG_INCA_IP 433 uint incaip_get_cpuclk (void); 434 #endif 435 #if defined(CONFIG_IMX) 436 ulong get_systemPLLCLK(void); 437 ulong get_FCLK(void); 438 ulong get_HCLK(void); 439 ulong get_BCLK(void); 440 ulong get_PERCLK1(void); 441 ulong get_PERCLK2(void); 442 ulong get_PERCLK3(void); 443 #endif 444 ulong get_bus_freq (ulong); 445 446 #if defined(CONFIG_MPC85xx) 447 typedef MPC85xx_SYS_INFO sys_info_t; 448 void get_sys_info ( sys_info_t * ); 449 #endif 450 451 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 452 # if defined(CONFIG_440) 453 typedef PPC440_SYS_INFO sys_info_t; 454 # else 455 typedef PPC405_SYS_INFO sys_info_t; 456 # endif 457 void get_sys_info ( sys_info_t * ); 458 #endif 459 460 /* $(CPU)/cpu_init.c */ 461 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 462 void cpu_init_f (volatile immap_t *immr); 463 #endif 464 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) 465 void cpu_init_f (void); 466 #endif 467 468 int cpu_init_r (void); 469 #if defined(CONFIG_8260) 470 int prt_8260_rsr (void); 471 #endif 472 473 /* $(CPU)/interrupts.c */ 474 int interrupt_init (void); 475 void timer_interrupt (struct pt_regs *); 476 void external_interrupt (struct pt_regs *); 477 void irq_install_handler(int, interrupt_handler_t *, void *); 478 void irq_free_handler (int); 479 void reset_timer (void); 480 ulong get_timer (ulong base); 481 void set_timer (ulong t); 482 void enable_interrupts (void); 483 int disable_interrupts (void); 484 485 /* $(CPU)/.../commproc.c */ 486 int dpram_init (void); 487 uint dpram_base(void); 488 uint dpram_base_align(uint align); 489 uint dpram_alloc(uint size); 490 uint dpram_alloc_align(uint size,uint align); 491 void post_word_store (ulong); 492 ulong post_word_load (void); 493 void bootcount_store (ulong); 494 ulong bootcount_load (void); 495 #define BOOTCOUNT_MAGIC 0xB001C041 496 497 /* $(CPU)/.../<eth> */ 498 void mii_init (void); 499 500 /* $(CPU)/.../lcd.c */ 501 ulong lcd_setmem (ulong); 502 503 /* $(CPU)/.../vfd.c */ 504 ulong vfd_setmem (ulong); 505 506 /* $(CPU)/.../video.c */ 507 ulong video_setmem (ulong); 508 509 /* lib_$(ARCH)/cache.c */ 510 void flush_cache (unsigned long, unsigned long); 511 512 513 /* lib_$(ARCH)/ticks.S */ 514 unsigned long long get_ticks(void); 515 void wait_ticks (unsigned long); 516 517 /* lib_$(ARCH)/time.c */ 518 void udelay (unsigned long); 519 ulong usec2ticks (unsigned long usec); 520 ulong ticks2usec (unsigned long ticks); 521 int init_timebase (void); 522 523 /* lib_generic/vsprintf.c */ 524 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 525 #ifdef CFG_64BIT_VSPRINTF 526 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 527 #endif 528 long simple_strtol(const char *cp,char **endp,unsigned int base); 529 void panic(const char *fmt, ...); 530 int sprintf(char * buf, const char *fmt, ...); 531 int vsprintf(char *buf, const char *fmt, va_list args); 532 533 /* lib_generic/crc32.c */ 534 ulong crc32 (ulong, const unsigned char *, uint); 535 ulong crc32_no_comp (ulong, const unsigned char *, uint); 536 537 /* common/console.c */ 538 int console_init_f(void); /* Before relocation; uses the serial stuff */ 539 int console_init_r(void); /* After relocation; uses the console stuff */ 540 int console_assign (int file, char *devname); /* Assign the console */ 541 int ctrlc (void); 542 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 543 void clear_ctrlc (void); /* clear the Control-C condition */ 544 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 545 546 /* 547 * STDIO based functions (can always be used) 548 */ 549 550 /* serial stuff */ 551 void serial_printf (const char *fmt, ...); 552 553 /* stdin */ 554 int getc(void); 555 int tstc(void); 556 557 /* stdout */ 558 void putc(const char c); 559 void puts(const char *s); 560 void printf(const char *fmt, ...); 561 void vprintf(const char *fmt, va_list args); 562 563 /* stderr */ 564 #define eputc(c) fputc(stderr, c) 565 #define eputs(s) fputs(stderr, s) 566 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 567 568 /* 569 * FILE based functions (can only be used AFTER relocation!) 570 */ 571 572 #define stdin 0 573 #define stdout 1 574 #define stderr 2 575 #define MAX_FILES 3 576 577 void fprintf(int file, const char *fmt, ...); 578 void fputs(int file, const char *s); 579 void fputc(int file, const char c); 580 int ftstc(int file); 581 int fgetc(int file); 582 583 int pcmcia_init (void); 584 585 #ifdef CONFIG_SHOW_BOOT_PROGRESS 586 void show_boot_progress (int status); 587 #endif 588 589 #ifdef CONFIG_INIT_CRITICAL 590 #error CONFIG_INIT_CRITICAL is depracted! 591 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 592 #endif 593 594 #endif /* __COMMON_H_ */ 595