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 #ifdef CFG_ID_EEPROM 201 int mac_read_from_eeprom(void); 202 #endif 203 204 /* common/flash.c */ 205 void flash_perror (int); 206 207 /* common/cmd_autoscript.c */ 208 int autoscript (ulong addr); 209 210 /* common/cmd_bootm.c */ 211 void print_image_hdr (image_header_t *hdr); 212 213 extern ulong load_addr; /* Default Load Address */ 214 215 /* common/cmd_nvedit.c */ 216 int env_init (void); 217 void env_relocate (void); 218 char *getenv (char *); 219 int getenv_r (char *name, char *buf, unsigned len); 220 int saveenv (void); 221 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 222 void inline setenv (char *, char *); 223 #else 224 void setenv (char *, char *); 225 #endif /* CONFIG_PPC */ 226 #ifdef CONFIG_ARM 227 # include <asm/mach-types.h> 228 # include <asm/setup.h> 229 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 230 #endif /* CONFIG_ARM */ 231 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 232 # include <asm/u-boot-i386.h> 233 #endif /* CONFIG_I386 */ 234 235 #ifdef CONFIG_AUTO_COMPLETE 236 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 237 #endif 238 239 void pci_init (void); 240 void pci_init_board(void); 241 void pciinfo (int, int); 242 243 #if defined(CONFIG_PCI) && defined(CONFIG_440) 244 # if defined(CFG_PCI_PRE_INIT) 245 int pci_pre_init (struct pci_controller * ); 246 # endif 247 # if defined(CFG_PCI_TARGET_INIT) 248 void pci_target_init (struct pci_controller *); 249 # endif 250 # if defined(CFG_PCI_MASTER_INIT) 251 void pci_master_init (struct pci_controller *); 252 # endif 253 int is_pci_host (struct pci_controller *); 254 #endif 255 256 int misc_init_f (void); 257 int misc_init_r (void); 258 259 /* common/exports.c */ 260 void jumptable_init(void); 261 262 /* common/memsize.c */ 263 int get_ram_size (volatile long *, long); 264 265 /* $(BOARD)/$(BOARD).c */ 266 void reset_phy (void); 267 void fdc_hw_init (void); 268 269 /* $(BOARD)/eeprom.c */ 270 void eeprom_init (void); 271 #ifndef CONFIG_SPI 272 int eeprom_probe (unsigned dev_addr, unsigned offset); 273 #endif 274 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 275 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 276 #ifdef CONFIG_LWMON 277 extern uchar pic_read (uchar reg); 278 extern void pic_write (uchar reg, uchar val); 279 #endif 280 281 /* 282 * Set this up regardless of board 283 * type, to prevent errors. 284 */ 285 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 286 # define CFG_DEF_EEPROM_ADDR 0 287 #else 288 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 289 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 290 291 #if defined(CONFIG_SPI) 292 extern void spi_init_f (void); 293 extern void spi_init_r (void); 294 extern ssize_t spi_read (uchar *, int, uchar *, int); 295 extern ssize_t spi_write (uchar *, int, uchar *, int); 296 #endif 297 298 #ifdef CONFIG_RPXCLASSIC 299 void rpxclassic_init (void); 300 #endif 301 302 void rpxlite_init (void); 303 304 #ifdef CONFIG_MBX 305 /* $(BOARD)/mbx8xx.c */ 306 void mbx_init (void); 307 void board_serial_init (void); 308 void board_ether_init (void); 309 #endif 310 311 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 312 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 313 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) 314 void board_get_enetaddr (uchar *addr); 315 #endif 316 317 #ifdef CONFIG_HERMES 318 /* $(BOARD)/hermes.c */ 319 void hermes_start_lxt980 (int speed); 320 #endif 321 322 #ifdef CONFIG_EVB64260 323 void evb64260_init(void); 324 void debug_led(int, int); 325 void display_mem_map(void); 326 void perform_soft_reset(void); 327 #endif 328 329 void load_sernum_ethaddr (void); 330 331 /* $(BOARD)/$(BOARD).c */ 332 int board_early_init_f (void); 333 int board_late_init (void); 334 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 335 int board_early_init_r (void); 336 void board_poweroff (void); 337 338 #if defined(CFG_DRAM_TEST) 339 int testdram(void); 340 #endif /* CFG_DRAM_TEST */ 341 342 /* $(CPU)/start.S */ 343 #if defined(CONFIG_5xx) || \ 344 defined(CONFIG_8xx) 345 uint get_immr (uint); 346 #endif 347 uint get_pir (void); 348 #if defined(CONFIG_MPC5xxx) 349 uint get_svr (void); 350 #endif 351 uint get_pvr (void); 352 uint get_svr (void); 353 uint rd_ic_cst (void); 354 void wr_ic_cst (uint); 355 void wr_ic_adr (uint); 356 uint rd_dc_cst (void); 357 void wr_dc_cst (uint); 358 void wr_dc_adr (uint); 359 int icache_status (void); 360 void icache_enable (void); 361 void icache_disable(void); 362 int dcache_status (void); 363 void dcache_enable (void); 364 void dcache_disable(void); 365 void relocate_code (ulong, gd_t *, ulong); 366 ulong get_endaddr (void); 367 void trap_init (ulong); 368 #if defined (CONFIG_4xx) || \ 369 defined (CONFIG_MPC5xxx) || \ 370 defined (CONFIG_74xx_7xx) || \ 371 defined (CONFIG_74x) || \ 372 defined (CONFIG_75x) || \ 373 defined (CONFIG_74xx) || \ 374 defined (CONFIG_MPC8220) || \ 375 defined (CONFIG_MPC85xx) || \ 376 defined (CONFIG_MPC86xx) || \ 377 defined (CONFIG_MPC83XX) 378 unsigned char in8(unsigned int); 379 void out8(unsigned int, unsigned char); 380 unsigned short in16(unsigned int); 381 unsigned short in16r(unsigned int); 382 void out16(unsigned int, unsigned short value); 383 void out16r(unsigned int, unsigned short value); 384 unsigned long in32(unsigned int); 385 unsigned long in32r(unsigned int); 386 void out32(unsigned int, unsigned long value); 387 void out32r(unsigned int, unsigned long value); 388 void ppcDcbf(unsigned long value); 389 void ppcDcbi(unsigned long value); 390 void ppcSync(void); 391 void ppcDcbz(unsigned long value); 392 #endif 393 394 /* $(CPU)/cpu.c */ 395 int checkcpu (void); 396 int checkicache (void); 397 int checkdcache (void); 398 void upmconfig (unsigned int, unsigned int *, unsigned int); 399 ulong get_tbclk (void); 400 void reset_cpu (ulong addr); 401 402 /* $(CPU)/serial.c */ 403 int serial_init (void); 404 void serial_addr (unsigned int); 405 void serial_setbrg (void); 406 void serial_putc (const char); 407 void serial_putc_raw(const char); 408 void serial_puts (const char *); 409 int serial_getc (void); 410 int serial_tstc (void); 411 412 void _serial_setbrg (const int); 413 void _serial_putc (const char, const int); 414 void _serial_putc_raw(const char, const int); 415 void _serial_puts (const char *, const int); 416 int _serial_getc (const int); 417 int _serial_tstc (const int); 418 419 /* $(CPU)/speed.c */ 420 int get_clocks (void); 421 int get_clocks_866 (void); 422 int sdram_adjust_866 (void); 423 int adjust_sdram_tbs_8xx (void); 424 #if defined(CONFIG_8260) 425 int prt_8260_clks (void); 426 #elif defined(CONFIG_MPC83XX) 427 int print_clock_conf(void); 428 #elif defined(CONFIG_MPC5xxx) 429 int prt_mpc5xxx_clks (void); 430 #endif 431 #if defined(CONFIG_MPC8220) 432 int prt_mpc8220_clks (void); 433 #endif 434 #ifdef CONFIG_4xx 435 ulong get_OPB_freq (void); 436 ulong get_PCI_freq (void); 437 #endif 438 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 439 ulong get_FCLK (void); 440 ulong get_HCLK (void); 441 ulong get_PCLK (void); 442 ulong get_UCLK (void); 443 #endif 444 #if defined(CONFIG_LH7A40X) 445 ulong get_PLLCLK (void); 446 #endif 447 #if defined CONFIG_INCA_IP 448 uint incaip_get_cpuclk (void); 449 #endif 450 #if defined(CONFIG_IMX) 451 ulong get_systemPLLCLK(void); 452 ulong get_FCLK(void); 453 ulong get_HCLK(void); 454 ulong get_BCLK(void); 455 ulong get_PERCLK1(void); 456 ulong get_PERCLK2(void); 457 ulong get_PERCLK3(void); 458 #endif 459 ulong get_bus_freq (ulong); 460 461 #if defined(CONFIG_MPC85xx) 462 typedef MPC85xx_SYS_INFO sys_info_t; 463 void get_sys_info ( sys_info_t * ); 464 #endif 465 #if defined(CONFIG_MPC86xx) 466 typedef MPC86xx_SYS_INFO sys_info_t; 467 void get_sys_info ( sys_info_t * ); 468 #endif 469 470 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 471 # if defined(CONFIG_440) 472 typedef PPC440_SYS_INFO sys_info_t; 473 # else 474 typedef PPC405_SYS_INFO sys_info_t; 475 # endif 476 void get_sys_info ( sys_info_t * ); 477 #endif 478 479 /* $(CPU)/cpu_init.c */ 480 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 481 void cpu_init_f (volatile immap_t *immr); 482 #endif 483 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 484 void cpu_init_f (void); 485 #endif 486 487 int cpu_init_r (void); 488 #if defined(CONFIG_8260) 489 int prt_8260_rsr (void); 490 #endif 491 492 /* $(CPU)/interrupts.c */ 493 int interrupt_init (void); 494 void timer_interrupt (struct pt_regs *); 495 void external_interrupt (struct pt_regs *); 496 void irq_install_handler(int, interrupt_handler_t *, void *); 497 void irq_free_handler (int); 498 void reset_timer (void); 499 ulong get_timer (ulong base); 500 void set_timer (ulong t); 501 void enable_interrupts (void); 502 int disable_interrupts (void); 503 504 /* $(CPU)/.../commproc.c */ 505 int dpram_init (void); 506 uint dpram_base(void); 507 uint dpram_base_align(uint align); 508 uint dpram_alloc(uint size); 509 uint dpram_alloc_align(uint size,uint align); 510 void post_word_store (ulong); 511 ulong post_word_load (void); 512 void bootcount_store (ulong); 513 ulong bootcount_load (void); 514 #define BOOTCOUNT_MAGIC 0xB001C041 515 516 /* $(CPU)/.../<eth> */ 517 void mii_init (void); 518 519 /* $(CPU)/.../lcd.c */ 520 ulong lcd_setmem (ulong); 521 522 /* $(CPU)/.../vfd.c */ 523 ulong vfd_setmem (ulong); 524 525 /* $(CPU)/.../video.c */ 526 ulong video_setmem (ulong); 527 528 /* lib_$(ARCH)/cache.c */ 529 void flush_cache (unsigned long, unsigned long); 530 531 532 /* lib_$(ARCH)/ticks.S */ 533 unsigned long long get_ticks(void); 534 void wait_ticks (unsigned long); 535 536 /* lib_$(ARCH)/time.c */ 537 void udelay (unsigned long); 538 ulong usec2ticks (unsigned long usec); 539 ulong ticks2usec (unsigned long ticks); 540 int init_timebase (void); 541 542 /* lib_generic/vsprintf.c */ 543 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 544 #ifdef CFG_64BIT_VSPRINTF 545 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 546 #endif 547 long simple_strtol(const char *cp,char **endp,unsigned int base); 548 void panic(const char *fmt, ...); 549 int sprintf(char * buf, const char *fmt, ...); 550 int vsprintf(char *buf, const char *fmt, va_list args); 551 552 /* lib_generic/crc32.c */ 553 ulong crc32 (ulong, const unsigned char *, uint); 554 ulong crc32_no_comp (ulong, const unsigned char *, uint); 555 556 /* common/console.c */ 557 int console_init_f(void); /* Before relocation; uses the serial stuff */ 558 int console_init_r(void); /* After relocation; uses the console stuff */ 559 int console_assign (int file, char *devname); /* Assign the console */ 560 int ctrlc (void); 561 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 562 void clear_ctrlc (void); /* clear the Control-C condition */ 563 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 564 565 /* 566 * STDIO based functions (can always be used) 567 */ 568 569 /* serial stuff */ 570 void serial_printf (const char *fmt, ...); 571 572 /* stdin */ 573 int getc(void); 574 int tstc(void); 575 576 /* stdout */ 577 void putc(const char c); 578 void puts(const char *s); 579 void printf(const char *fmt, ...); 580 void vprintf(const char *fmt, va_list args); 581 582 /* stderr */ 583 #define eputc(c) fputc(stderr, c) 584 #define eputs(s) fputs(stderr, s) 585 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 586 587 /* 588 * FILE based functions (can only be used AFTER relocation!) 589 */ 590 591 #define stdin 0 592 #define stdout 1 593 #define stderr 2 594 #define MAX_FILES 3 595 596 void fprintf(int file, const char *fmt, ...); 597 void fputs(int file, const char *s); 598 void fputc(int file, const char c); 599 int ftstc(int file); 600 int fgetc(int file); 601 602 int pcmcia_init (void); 603 604 #ifdef CONFIG_SHOW_BOOT_PROGRESS 605 void show_boot_progress (int status); 606 #endif 607 608 #ifdef CONFIG_INIT_CRITICAL 609 #error CONFIG_INIT_CRITICAL is depracted! 610 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 611 #endif 612 613 #endif /* __COMMON_H_ */ 614