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_MPC86xx 83 #include <mpc86xx.h> 84 #include <asm/immap_86xx.h> 85 #endif 86 #ifdef CONFIG_MPC85xx 87 #include <mpc85xx.h> 88 #include <asm/immap_85xx.h> 89 #endif 90 #ifdef CONFIG_MPC83XX 91 #include <mpc83xx.h> 92 #include <asm/immap_83xx.h> 93 #endif 94 #ifdef CONFIG_4xx 95 #include <ppc4xx.h> 96 #endif 97 #ifdef CONFIG_HYMOD 98 #include <board/hymod/hymod.h> 99 #endif 100 #ifdef CONFIG_ARM 101 #define asmlinkage /* nothing */ 102 #endif 103 104 #include <part.h> 105 #include <flash.h> 106 #include <image.h> 107 108 #ifdef DEBUG 109 #define debug(fmt,args...) printf (fmt ,##args) 110 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 111 #else 112 #define debug(fmt,args...) 113 #define debugX(level,fmt,args...) 114 #endif /* DEBUG */ 115 116 typedef void (interrupt_handler_t)(void *); 117 118 #include <asm/u-boot.h> /* boot information for Linux kernel */ 119 #include <asm/global_data.h> /* global data used for startup functions */ 120 121 /* 122 * enable common handling for all TQM8xxL/M boards: 123 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 124 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 125 */ 126 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 127 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 128 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 129 # ifndef CONFIG_TQM8xxM 130 # define CONFIG_TQM8xxM 131 # endif 132 #endif 133 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 134 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 135 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 136 # ifndef CONFIG_TQM8xxL 137 # define CONFIG_TQM8xxL 138 # endif 139 #endif 140 141 #ifndef CONFIG_SERIAL_MULTI 142 143 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 144 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 145 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 146 147 #define CONFIG_SERIAL_MULTI 1 148 149 #endif 150 151 #endif /* CONFIG_SERIAL_MULTI */ 152 153 /* 154 * General Purpose Utilities 155 */ 156 #define min(X, Y) \ 157 ({ typeof (X) __x = (X), __y = (Y); \ 158 (__x < __y) ? __x : __y; }) 159 160 #define max(X, Y) \ 161 ({ typeof (X) __x = (X), __y = (Y); \ 162 (__x > __y) ? __x : __y; }) 163 164 165 /* 166 * Function Prototypes 167 */ 168 169 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 170 void serial_buffered_init (void); 171 void serial_buffered_putc (const char); 172 void serial_buffered_puts (const char *); 173 int serial_buffered_getc (void); 174 int serial_buffered_tstc (void); 175 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 176 177 void hang (void) __attribute__ ((noreturn)); 178 179 /* */ 180 long int initdram (int); 181 int display_options (void); 182 void print_size (ulong, const char *); 183 184 /* common/main.c */ 185 void main_loop (void); 186 int run_command (const char *cmd, int flag); 187 int readline (const char *const prompt); 188 void init_cmd_timeout(void); 189 void reset_cmd_timeout(void); 190 191 /* lib_$(ARCH)/board.c */ 192 void board_init_f (ulong); 193 void board_init_r (gd_t *, ulong); 194 int checkboard (void); 195 int checkflash (void); 196 int checkdram (void); 197 char * strmhz(char *buf, long hz); 198 int last_stage_init(void); 199 extern ulong monitor_flash_len; 200 201 /* common/flash.c */ 202 void flash_perror (int); 203 204 /* common/cmd_autoscript.c */ 205 int autoscript (ulong addr); 206 207 /* common/cmd_bootm.c */ 208 void print_image_hdr (image_header_t *hdr); 209 210 extern ulong load_addr; /* Default Load Address */ 211 212 /* common/cmd_nvedit.c */ 213 int env_init (void); 214 void env_relocate (void); 215 char *getenv (char *); 216 int getenv_r (char *name, char *buf, unsigned len); 217 int saveenv (void); 218 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 219 void inline setenv (char *, char *); 220 #else 221 void setenv (char *, char *); 222 #endif /* CONFIG_PPC */ 223 #ifdef CONFIG_ARM 224 # include <asm/mach-types.h> 225 # include <asm/setup.h> 226 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 227 #endif /* CONFIG_ARM */ 228 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 229 # include <asm/u-boot-i386.h> 230 #endif /* CONFIG_I386 */ 231 232 #ifdef CONFIG_AUTO_COMPLETE 233 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 234 #endif 235 236 void pci_init (void); 237 void pci_init_board(void); 238 void pciinfo (int, int); 239 240 #if defined(CONFIG_PCI) && defined(CONFIG_440) 241 # if defined(CFG_PCI_PRE_INIT) 242 int pci_pre_init (struct pci_controller * ); 243 # endif 244 # if defined(CFG_PCI_TARGET_INIT) 245 void pci_target_init (struct pci_controller *); 246 # endif 247 # if defined(CFG_PCI_MASTER_INIT) 248 void pci_master_init (struct pci_controller *); 249 # endif 250 int is_pci_host (struct pci_controller *); 251 #endif 252 253 int misc_init_f (void); 254 int misc_init_r (void); 255 256 /* common/exports.c */ 257 void jumptable_init(void); 258 259 /* common/memsize.c */ 260 int get_ram_size (volatile long *, long); 261 262 /* $(BOARD)/$(BOARD).c */ 263 void reset_phy (void); 264 void fdc_hw_init (void); 265 266 /* $(BOARD)/eeprom.c */ 267 void eeprom_init (void); 268 #ifndef CONFIG_SPI 269 int eeprom_probe (unsigned dev_addr, unsigned offset); 270 #endif 271 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 272 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 273 #ifdef CONFIG_LWMON 274 extern uchar pic_read (uchar reg); 275 extern void pic_write (uchar reg, uchar val); 276 #endif 277 278 /* 279 * Set this up regardless of board 280 * type, to prevent errors. 281 */ 282 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 283 # define CFG_DEF_EEPROM_ADDR 0 284 #else 285 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 286 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 287 288 #if defined(CONFIG_SPI) 289 extern void spi_init_f (void); 290 extern void spi_init_r (void); 291 extern ssize_t spi_read (uchar *, int, uchar *, int); 292 extern ssize_t spi_write (uchar *, int, uchar *, int); 293 #endif 294 295 #ifdef CONFIG_RPXCLASSIC 296 void rpxclassic_init (void); 297 #endif 298 299 void rpxlite_init (void); 300 301 #ifdef CONFIG_MBX 302 /* $(BOARD)/mbx8xx.c */ 303 void mbx_init (void); 304 void board_serial_init (void); 305 void board_ether_init (void); 306 #endif 307 308 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 309 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 310 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) 311 void board_get_enetaddr (uchar *addr); 312 #endif 313 314 #ifdef CONFIG_HERMES 315 /* $(BOARD)/hermes.c */ 316 void hermes_start_lxt980 (int speed); 317 #endif 318 319 #ifdef CONFIG_EVB64260 320 void evb64260_init(void); 321 void debug_led(int, int); 322 void display_mem_map(void); 323 void perform_soft_reset(void); 324 #endif 325 326 void load_sernum_ethaddr (void); 327 328 /* $(BOARD)/$(BOARD).c */ 329 int board_early_init_f (void); 330 int board_late_init (void); 331 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 332 int board_early_init_r (void); 333 void board_poweroff (void); 334 335 #if defined(CFG_DRAM_TEST) 336 int testdram(void); 337 #endif /* CFG_DRAM_TEST */ 338 339 /* $(CPU)/start.S */ 340 #if defined(CONFIG_5xx) || \ 341 defined(CONFIG_8xx) 342 uint get_immr (uint); 343 #endif 344 uint get_pir (void); 345 #if defined(CONFIG_MPC5xxx) 346 uint get_svr (void); 347 #endif 348 uint get_pvr (void); 349 uint get_svr (void); 350 uint rd_ic_cst (void); 351 void wr_ic_cst (uint); 352 void wr_ic_adr (uint); 353 uint rd_dc_cst (void); 354 void wr_dc_cst (uint); 355 void wr_dc_adr (uint); 356 int icache_status (void); 357 void icache_enable (void); 358 void icache_disable(void); 359 int dcache_status (void); 360 void dcache_enable (void); 361 void dcache_disable(void); 362 void relocate_code (ulong, gd_t *, ulong); 363 ulong get_endaddr (void); 364 void trap_init (ulong); 365 #if defined (CONFIG_4xx) || \ 366 defined (CONFIG_MPC5xxx) || \ 367 defined (CONFIG_74xx_7xx) || \ 368 defined (CONFIG_74x) || \ 369 defined (CONFIG_75x) || \ 370 defined (CONFIG_74xx) || \ 371 defined (CONFIG_MPC8220) || \ 372 defined (CONFIG_MPC85xx) || \ 373 defined (CONFIG_MPC86xx) || \ 374 defined (CONFIG_MPC83XX) 375 unsigned char in8(unsigned int); 376 void out8(unsigned int, unsigned char); 377 unsigned short in16(unsigned int); 378 unsigned short in16r(unsigned int); 379 void out16(unsigned int, unsigned short value); 380 void out16r(unsigned int, unsigned short value); 381 unsigned long in32(unsigned int); 382 unsigned long in32r(unsigned int); 383 void out32(unsigned int, unsigned long value); 384 void out32r(unsigned int, unsigned long value); 385 void ppcDcbf(unsigned long value); 386 void ppcDcbi(unsigned long value); 387 void ppcSync(void); 388 void ppcDcbz(unsigned long value); 389 #endif 390 391 /* $(CPU)/cpu.c */ 392 int checkcpu (void); 393 int checkicache (void); 394 int checkdcache (void); 395 void upmconfig (unsigned int, unsigned int *, unsigned int); 396 ulong get_tbclk (void); 397 void reset_cpu (ulong addr); 398 399 /* $(CPU)/serial.c */ 400 int serial_init (void); 401 void serial_addr (unsigned int); 402 void serial_setbrg (void); 403 void serial_putc (const char); 404 void serial_putc_raw(const char); 405 void serial_puts (const char *); 406 int serial_getc (void); 407 int serial_tstc (void); 408 409 void _serial_setbrg (const int); 410 void _serial_putc (const char, const int); 411 void _serial_putc_raw(const char, const int); 412 void _serial_puts (const char *, const int); 413 int _serial_getc (const int); 414 int _serial_tstc (const int); 415 416 /* $(CPU)/speed.c */ 417 int get_clocks (void); 418 int get_clocks_866 (void); 419 int sdram_adjust_866 (void); 420 int adjust_sdram_tbs_8xx (void); 421 #if defined(CONFIG_8260) 422 int prt_8260_clks (void); 423 #elif defined(CONFIG_MPC83XX) 424 int print_clock_conf(void); 425 #elif defined(CONFIG_MPC5xxx) 426 int prt_mpc5xxx_clks (void); 427 #endif 428 #if defined(CONFIG_MPC8220) 429 int prt_mpc8220_clks (void); 430 #endif 431 #ifdef CONFIG_4xx 432 ulong get_OPB_freq (void); 433 ulong get_PCI_freq (void); 434 #endif 435 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 436 ulong get_FCLK (void); 437 ulong get_HCLK (void); 438 ulong get_PCLK (void); 439 ulong get_UCLK (void); 440 #endif 441 #if defined(CONFIG_LH7A40X) 442 ulong get_PLLCLK (void); 443 #endif 444 #if defined CONFIG_INCA_IP 445 uint incaip_get_cpuclk (void); 446 #endif 447 #if defined(CONFIG_IMX) 448 ulong get_systemPLLCLK(void); 449 ulong get_FCLK(void); 450 ulong get_HCLK(void); 451 ulong get_BCLK(void); 452 ulong get_PERCLK1(void); 453 ulong get_PERCLK2(void); 454 ulong get_PERCLK3(void); 455 #endif 456 ulong get_bus_freq (ulong); 457 458 #if defined(CONFIG_MPC85xx) 459 typedef MPC85xx_SYS_INFO sys_info_t; 460 void get_sys_info ( sys_info_t * ); 461 #endif 462 #if defined(CONFIG_MPC86xx) 463 typedef MPC86xx_SYS_INFO sys_info_t; 464 void get_sys_info ( sys_info_t * ); 465 #endif 466 467 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 468 # if defined(CONFIG_440) 469 typedef PPC440_SYS_INFO sys_info_t; 470 # else 471 typedef PPC405_SYS_INFO sys_info_t; 472 # endif 473 void get_sys_info ( sys_info_t * ); 474 #endif 475 476 /* $(CPU)/cpu_init.c */ 477 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 478 void cpu_init_f (volatile immap_t *immr); 479 #endif 480 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 481 void cpu_init_f (void); 482 #endif 483 484 int cpu_init_r (void); 485 #if defined(CONFIG_8260) 486 int prt_8260_rsr (void); 487 #endif 488 489 /* $(CPU)/interrupts.c */ 490 int interrupt_init (void); 491 void timer_interrupt (struct pt_regs *); 492 void external_interrupt (struct pt_regs *); 493 void irq_install_handler(int, interrupt_handler_t *, void *); 494 void irq_free_handler (int); 495 void reset_timer (void); 496 ulong get_timer (ulong base); 497 void set_timer (ulong t); 498 void enable_interrupts (void); 499 int disable_interrupts (void); 500 501 /* $(CPU)/.../commproc.c */ 502 int dpram_init (void); 503 uint dpram_base(void); 504 uint dpram_base_align(uint align); 505 uint dpram_alloc(uint size); 506 uint dpram_alloc_align(uint size,uint align); 507 void post_word_store (ulong); 508 ulong post_word_load (void); 509 void bootcount_store (ulong); 510 ulong bootcount_load (void); 511 #define BOOTCOUNT_MAGIC 0xB001C041 512 513 /* $(CPU)/.../<eth> */ 514 void mii_init (void); 515 516 /* $(CPU)/.../lcd.c */ 517 ulong lcd_setmem (ulong); 518 519 /* $(CPU)/.../vfd.c */ 520 ulong vfd_setmem (ulong); 521 522 /* $(CPU)/.../video.c */ 523 ulong video_setmem (ulong); 524 525 /* lib_$(ARCH)/cache.c */ 526 void flush_cache (unsigned long, unsigned long); 527 528 529 /* lib_$(ARCH)/ticks.S */ 530 unsigned long long get_ticks(void); 531 void wait_ticks (unsigned long); 532 533 /* lib_$(ARCH)/time.c */ 534 void udelay (unsigned long); 535 ulong usec2ticks (unsigned long usec); 536 ulong ticks2usec (unsigned long ticks); 537 int init_timebase (void); 538 539 /* lib_generic/vsprintf.c */ 540 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 541 #ifdef CFG_64BIT_VSPRINTF 542 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 543 #endif 544 long simple_strtol(const char *cp,char **endp,unsigned int base); 545 void panic(const char *fmt, ...); 546 int sprintf(char * buf, const char *fmt, ...); 547 int vsprintf(char *buf, const char *fmt, va_list args); 548 549 /* lib_generic/crc32.c */ 550 ulong crc32 (ulong, const unsigned char *, uint); 551 ulong crc32_no_comp (ulong, const unsigned char *, uint); 552 553 /* common/console.c */ 554 int console_init_f(void); /* Before relocation; uses the serial stuff */ 555 int console_init_r(void); /* After relocation; uses the console stuff */ 556 int console_assign (int file, char *devname); /* Assign the console */ 557 int ctrlc (void); 558 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 559 void clear_ctrlc (void); /* clear the Control-C condition */ 560 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 561 562 /* 563 * STDIO based functions (can always be used) 564 */ 565 566 /* serial stuff */ 567 void serial_printf (const char *fmt, ...); 568 569 /* stdin */ 570 int getc(void); 571 int tstc(void); 572 573 /* stdout */ 574 void putc(const char c); 575 void puts(const char *s); 576 void printf(const char *fmt, ...); 577 void vprintf(const char *fmt, va_list args); 578 579 /* stderr */ 580 #define eputc(c) fputc(stderr, c) 581 #define eputs(s) fputs(stderr, s) 582 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 583 584 /* 585 * FILE based functions (can only be used AFTER relocation!) 586 */ 587 588 #define stdin 0 589 #define stdout 1 590 #define stderr 2 591 #define MAX_FILES 3 592 593 void fprintf(int file, const char *fmt, ...); 594 void fputs(int file, const char *s); 595 void fputc(int file, const char c); 596 int ftstc(int file); 597 int fgetc(int file); 598 599 int pcmcia_init (void); 600 601 #ifdef CONFIG_SHOW_BOOT_PROGRESS 602 void show_boot_progress (int status); 603 #endif 604 605 #ifdef CONFIG_INIT_CRITICAL 606 #error CONFIG_INIT_CRITICAL is depracted! 607 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 608 #endif 609 610 #endif /* __COMMON_H_ */ 611