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_4xx) && !defined(CONFIG_AP1000)) 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 #define CONFIG_RELOC_FIXUP_WORKS 67 #elif defined(CONFIG_MPC5xxx) 68 #include <mpc5xxx.h> 69 #elif defined(CONFIG_MPC8220) 70 #include <asm/immap_8220.h> 71 #elif defined(CONFIG_8260) 72 #if defined(CONFIG_MPC8247) \ 73 || defined(CONFIG_MPC8248) \ 74 || defined(CONFIG_MPC8271) \ 75 || defined(CONFIG_MPC8272) 76 #define CONFIG_MPC8272_FAMILY 1 77 #endif 78 #if defined(CONFIG_MPC8272_FAMILY) 79 #define CONFIG_MPC8260 1 80 #endif 81 #include <asm/immap_8260.h> 82 #endif 83 #ifdef CONFIG_MPC86xx 84 #include <mpc86xx.h> 85 #include <asm/immap_86xx.h> 86 #endif 87 #ifdef CONFIG_MPC85xx 88 #include <mpc85xx.h> 89 #include <asm/immap_85xx.h> 90 #endif 91 #ifdef CONFIG_MPC83XX 92 #include <mpc83xx.h> 93 #include <asm/immap_83xx.h> 94 #endif 95 #ifdef CONFIG_4xx 96 #include <ppc4xx.h> 97 #endif 98 #ifdef CONFIG_HYMOD 99 #include <board/hymod/hymod.h> 100 #endif 101 #ifdef CONFIG_ARM 102 #define asmlinkage /* nothing */ 103 #endif 104 105 #include <part.h> 106 #include <flash.h> 107 #include <image.h> 108 109 #ifdef DEBUG 110 #define debug(fmt,args...) printf (fmt ,##args) 111 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 112 #else 113 #define debug(fmt,args...) 114 #define debugX(level,fmt,args...) 115 #endif /* DEBUG */ 116 117 #define BUG() do { \ 118 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 119 panic("BUG!"); \ 120 } while (0) 121 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 122 123 typedef void (interrupt_handler_t)(void *); 124 125 #include <asm/u-boot.h> /* boot information for Linux kernel */ 126 #include <asm/global_data.h> /* global data used for startup functions */ 127 128 /* 129 * enable common handling for all TQM8xxL/M boards: 130 * - CONFIG_TQM8xxM will be defined for all TQM8xxM and TQM885D boards 131 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 132 */ 133 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 134 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 135 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) || \ 136 defined(CONFIG_TQM885D) 137 # ifndef CONFIG_TQM8xxM 138 # define CONFIG_TQM8xxM 139 # endif 140 #endif 141 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 142 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 143 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 144 # ifndef CONFIG_TQM8xxL 145 # define CONFIG_TQM8xxL 146 # endif 147 #endif 148 149 #ifndef CONFIG_SERIAL_MULTI 150 151 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 152 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 153 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 154 155 #define CONFIG_SERIAL_MULTI 1 156 157 #endif 158 159 #endif /* CONFIG_SERIAL_MULTI */ 160 161 /* 162 * General Purpose Utilities 163 */ 164 #define min(X, Y) \ 165 ({ typeof (X) __x = (X), __y = (Y); \ 166 (__x < __y) ? __x : __y; }) 167 168 #define max(X, Y) \ 169 ({ typeof (X) __x = (X), __y = (Y); \ 170 (__x > __y) ? __x : __y; }) 171 172 173 /* 174 * Function Prototypes 175 */ 176 177 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 178 void serial_buffered_init (void); 179 void serial_buffered_putc (const char); 180 void serial_buffered_puts (const char *); 181 int serial_buffered_getc (void); 182 int serial_buffered_tstc (void); 183 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 184 185 void hang (void) __attribute__ ((noreturn)); 186 187 /* */ 188 long int initdram (int); 189 int display_options (void); 190 void print_size (ulong, const char *); 191 int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); 192 193 /* common/main.c */ 194 void main_loop (void); 195 int run_command (const char *cmd, int flag); 196 int readline (const char *const prompt); 197 void init_cmd_timeout(void); 198 void reset_cmd_timeout(void); 199 200 /* lib_$(ARCH)/board.c */ 201 void board_init_f (ulong); 202 void board_init_r (gd_t *, ulong); 203 int checkboard (void); 204 int checkflash (void); 205 int checkdram (void); 206 char * strmhz(char *buf, long hz); 207 int last_stage_init(void); 208 extern ulong monitor_flash_len; 209 #ifdef CFG_ID_EEPROM 210 int mac_read_from_eeprom(void); 211 #endif 212 213 /* common/flash.c */ 214 void flash_perror (int); 215 216 /* common/cmd_autoscript.c */ 217 int autoscript (ulong addr); 218 219 /* common/cmd_bootm.c */ 220 void print_image_hdr (image_header_t *hdr); 221 222 extern ulong load_addr; /* Default Load Address */ 223 224 /* common/cmd_nvedit.c */ 225 int env_init (void); 226 void env_relocate (void); 227 char *getenv (char *); 228 int getenv_r (char *name, char *buf, unsigned len); 229 int saveenv (void); 230 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 231 void inline setenv (char *, char *); 232 #else 233 void setenv (char *, char *); 234 #endif /* CONFIG_PPC */ 235 #ifdef CONFIG_ARM 236 # include <asm/mach-types.h> 237 # include <asm/setup.h> 238 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 239 #endif /* CONFIG_ARM */ 240 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 241 # include <asm/u-boot-i386.h> 242 #endif /* CONFIG_I386 */ 243 244 #ifdef CONFIG_AUTO_COMPLETE 245 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 246 #endif 247 248 void pci_init (void); 249 void pci_init_board(void); 250 void pciinfo (int, int); 251 252 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 253 int pci_pre_init (struct pci_controller * ); 254 #endif 255 256 #if defined(CONFIG_PCI) && defined(CONFIG_440) 257 # if defined(CFG_PCI_TARGET_INIT) 258 void pci_target_init (struct pci_controller *); 259 # endif 260 # if defined(CFG_PCI_MASTER_INIT) 261 void pci_master_init (struct pci_controller *); 262 # endif 263 int is_pci_host (struct pci_controller *); 264 #if defined(CONFIG_440SPE) 265 void pcie_setup_hoses(void); 266 #endif 267 #endif 268 269 int misc_init_f (void); 270 int misc_init_r (void); 271 272 /* common/exports.c */ 273 void jumptable_init(void); 274 275 /* common/memsize.c */ 276 long get_ram_size (volatile long *, long); 277 278 /* $(BOARD)/$(BOARD).c */ 279 void reset_phy (void); 280 void fdc_hw_init (void); 281 282 /* $(BOARD)/eeprom.c */ 283 void eeprom_init (void); 284 #ifndef CONFIG_SPI 285 int eeprom_probe (unsigned dev_addr, unsigned offset); 286 #endif 287 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 288 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 289 #ifdef CONFIG_LWMON 290 extern uchar pic_read (uchar reg); 291 extern void pic_write (uchar reg, uchar val); 292 #endif 293 294 /* 295 * Set this up regardless of board 296 * type, to prevent errors. 297 */ 298 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 299 # define CFG_DEF_EEPROM_ADDR 0 300 #else 301 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 302 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 303 304 #if defined(CONFIG_SPI) 305 extern void spi_init_f (void); 306 extern void spi_init_r (void); 307 extern ssize_t spi_read (uchar *, int, uchar *, int); 308 extern ssize_t spi_write (uchar *, int, uchar *, int); 309 #endif 310 311 #ifdef CONFIG_RPXCLASSIC 312 void rpxclassic_init (void); 313 #endif 314 315 void rpxlite_init (void); 316 317 #ifdef CONFIG_MBX 318 /* $(BOARD)/mbx8xx.c */ 319 void mbx_init (void); 320 void board_serial_init (void); 321 void board_ether_init (void); 322 #endif 323 324 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 325 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 326 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) || \ 327 defined(CONFIG_V38B) 328 void board_get_enetaddr (uchar *addr); 329 #endif 330 331 #ifdef CONFIG_HERMES 332 /* $(BOARD)/hermes.c */ 333 void hermes_start_lxt980 (int speed); 334 #endif 335 336 #ifdef CONFIG_EVB64260 337 void evb64260_init(void); 338 void debug_led(int, int); 339 void display_mem_map(void); 340 void perform_soft_reset(void); 341 #endif 342 343 void load_sernum_ethaddr (void); 344 345 /* $(BOARD)/$(BOARD).c */ 346 int board_early_init_f (void); 347 int board_late_init (void); 348 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 349 int board_early_init_r (void); 350 void board_poweroff (void); 351 352 #if defined(CFG_DRAM_TEST) 353 int testdram(void); 354 #endif /* CFG_DRAM_TEST */ 355 356 /* $(CPU)/start.S */ 357 #if defined(CONFIG_5xx) || \ 358 defined(CONFIG_8xx) 359 uint get_immr (uint); 360 #endif 361 uint get_pir (void); 362 #if defined(CONFIG_MPC5xxx) 363 uint get_svr (void); 364 #endif 365 uint get_pvr (void); 366 uint get_svr (void); 367 uint rd_ic_cst (void); 368 void wr_ic_cst (uint); 369 void wr_ic_adr (uint); 370 uint rd_dc_cst (void); 371 void wr_dc_cst (uint); 372 void wr_dc_adr (uint); 373 int icache_status (void); 374 void icache_enable (void); 375 void icache_disable(void); 376 int dcache_status (void); 377 void dcache_enable (void); 378 void dcache_disable(void); 379 void relocate_code (ulong, gd_t *, ulong); 380 ulong get_endaddr (void); 381 void trap_init (ulong); 382 #if defined (CONFIG_4xx) || \ 383 defined (CONFIG_MPC5xxx) || \ 384 defined (CONFIG_74xx_7xx) || \ 385 defined (CONFIG_74x) || \ 386 defined (CONFIG_75x) || \ 387 defined (CONFIG_74xx) || \ 388 defined (CONFIG_MPC8220) || \ 389 defined (CONFIG_MPC85xx) || \ 390 defined (CONFIG_MPC86xx) || \ 391 defined (CONFIG_MPC83XX) 392 unsigned char in8(unsigned int); 393 void out8(unsigned int, unsigned char); 394 unsigned short in16(unsigned int); 395 unsigned short in16r(unsigned int); 396 void out16(unsigned int, unsigned short value); 397 void out16r(unsigned int, unsigned short value); 398 unsigned long in32(unsigned int); 399 unsigned long in32r(unsigned int); 400 void out32(unsigned int, unsigned long value); 401 void out32r(unsigned int, unsigned long value); 402 void ppcDcbf(unsigned long value); 403 void ppcDcbi(unsigned long value); 404 void ppcSync(void); 405 void ppcDcbz(unsigned long value); 406 #endif 407 #if defined (CONFIG_MICROBLAZE) 408 unsigned short in16(unsigned int); 409 void out16(unsigned int, unsigned short value); 410 #endif 411 412 #if defined (CONFIG_MPC83XX) 413 void ppcDWload(unsigned int *addr, unsigned int *ret); 414 void ppcDWstore(unsigned int *addr, unsigned int *value); 415 #endif 416 417 /* $(CPU)/cpu.c */ 418 int checkcpu (void); 419 int checkicache (void); 420 int checkdcache (void); 421 void upmconfig (unsigned int, unsigned int *, unsigned int); 422 ulong get_tbclk (void); 423 void reset_cpu (ulong addr); 424 425 /* $(CPU)/serial.c */ 426 int serial_init (void); 427 void serial_addr (unsigned int); 428 void serial_setbrg (void); 429 void serial_putc (const char); 430 void serial_putc_raw(const char); 431 void serial_puts (const char *); 432 int serial_getc (void); 433 int serial_tstc (void); 434 435 void _serial_setbrg (const int); 436 void _serial_putc (const char, const int); 437 void _serial_putc_raw(const char, const int); 438 void _serial_puts (const char *, const int); 439 int _serial_getc (const int); 440 int _serial_tstc (const int); 441 442 /* $(CPU)/speed.c */ 443 int get_clocks (void); 444 int get_clocks_866 (void); 445 int sdram_adjust_866 (void); 446 int adjust_sdram_tbs_8xx (void); 447 #if defined(CONFIG_8260) 448 int prt_8260_clks (void); 449 #elif defined(CONFIG_MPC5xxx) 450 int prt_mpc5xxx_clks (void); 451 #endif 452 #if defined(CONFIG_MPC8220) 453 int prt_mpc8220_clks (void); 454 #endif 455 #ifdef CONFIG_4xx 456 ulong get_OPB_freq (void); 457 ulong get_PCI_freq (void); 458 #endif 459 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 460 ulong get_FCLK (void); 461 ulong get_HCLK (void); 462 ulong get_PCLK (void); 463 ulong get_UCLK (void); 464 #endif 465 #if defined(CONFIG_LH7A40X) 466 ulong get_PLLCLK (void); 467 #endif 468 #if defined CONFIG_INCA_IP 469 uint incaip_get_cpuclk (void); 470 #endif 471 #if defined(CONFIG_IMX) 472 ulong get_systemPLLCLK(void); 473 ulong get_FCLK(void); 474 ulong get_HCLK(void); 475 ulong get_BCLK(void); 476 ulong get_PERCLK1(void); 477 ulong get_PERCLK2(void); 478 ulong get_PERCLK3(void); 479 #endif 480 ulong get_bus_freq (ulong); 481 482 #if defined(CONFIG_MPC85xx) 483 typedef MPC85xx_SYS_INFO sys_info_t; 484 void get_sys_info ( sys_info_t * ); 485 #endif 486 #if defined(CONFIG_MPC86xx) 487 typedef MPC86xx_SYS_INFO sys_info_t; 488 void get_sys_info ( sys_info_t * ); 489 #endif 490 491 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 492 # if defined(CONFIG_440) 493 typedef PPC440_SYS_INFO sys_info_t; 494 # if defined(CONFIG_440SPE) 495 unsigned long determine_sysper(void); 496 unsigned long determine_pci_clock_per(void); 497 int ppc440spe_revB(void); 498 # endif 499 # else 500 typedef PPC405_SYS_INFO sys_info_t; 501 # endif 502 void get_sys_info ( sys_info_t * ); 503 #endif 504 505 /* $(CPU)/cpu_init.c */ 506 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 507 void cpu_init_f (volatile immap_t *immr); 508 #endif 509 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 510 void cpu_init_f (void); 511 #endif 512 513 int cpu_init_r (void); 514 #if defined(CONFIG_8260) 515 int prt_8260_rsr (void); 516 #endif 517 518 /* $(CPU)/interrupts.c */ 519 int interrupt_init (void); 520 void timer_interrupt (struct pt_regs *); 521 void external_interrupt (struct pt_regs *); 522 void irq_install_handler(int, interrupt_handler_t *, void *); 523 void irq_free_handler (int); 524 void reset_timer (void); 525 ulong get_timer (ulong base); 526 void set_timer (ulong t); 527 void enable_interrupts (void); 528 int disable_interrupts (void); 529 530 /* $(CPU)/.../commproc.c */ 531 int dpram_init (void); 532 uint dpram_base(void); 533 uint dpram_base_align(uint align); 534 uint dpram_alloc(uint size); 535 uint dpram_alloc_align(uint size,uint align); 536 void post_word_store (ulong); 537 ulong post_word_load (void); 538 void bootcount_store (ulong); 539 ulong bootcount_load (void); 540 #define BOOTCOUNT_MAGIC 0xB001C041 541 542 /* $(CPU)/.../<eth> */ 543 void mii_init (void); 544 545 /* $(CPU)/.../lcd.c */ 546 ulong lcd_setmem (ulong); 547 548 /* $(CPU)/.../vfd.c */ 549 ulong vfd_setmem (ulong); 550 551 /* $(CPU)/.../video.c */ 552 ulong video_setmem (ulong); 553 554 /* lib_$(ARCH)/cache.c */ 555 void flush_cache (unsigned long, unsigned long); 556 557 558 /* lib_$(ARCH)/ticks.S */ 559 unsigned long long get_ticks(void); 560 void wait_ticks (unsigned long); 561 562 /* lib_$(ARCH)/time.c */ 563 void udelay (unsigned long); 564 ulong usec2ticks (unsigned long usec); 565 ulong ticks2usec (unsigned long ticks); 566 int init_timebase (void); 567 568 /* lib_generic/vsprintf.c */ 569 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 570 #ifdef CFG_64BIT_VSPRINTF 571 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 572 #endif 573 long simple_strtol(const char *cp,char **endp,unsigned int base); 574 void panic(const char *fmt, ...); 575 int sprintf(char * buf, const char *fmt, ...); 576 int vsprintf(char *buf, const char *fmt, va_list args); 577 578 /* lib_generic/crc32.c */ 579 ulong crc32 (ulong, const unsigned char *, uint); 580 ulong crc32_no_comp (ulong, const unsigned char *, uint); 581 582 /* common/console.c */ 583 int console_init_f(void); /* Before relocation; uses the serial stuff */ 584 int console_init_r(void); /* After relocation; uses the console stuff */ 585 int console_assign (int file, char *devname); /* Assign the console */ 586 int ctrlc (void); 587 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 588 void clear_ctrlc (void); /* clear the Control-C condition */ 589 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 590 591 /* 592 * STDIO based functions (can always be used) 593 */ 594 595 /* serial stuff */ 596 void serial_printf (const char *fmt, ...); 597 598 /* stdin */ 599 int getc(void); 600 int tstc(void); 601 602 /* stdout */ 603 void putc(const char c); 604 void puts(const char *s); 605 void printf(const char *fmt, ...); 606 void vprintf(const char *fmt, va_list args); 607 608 /* stderr */ 609 #define eputc(c) fputc(stderr, c) 610 #define eputs(s) fputs(stderr, s) 611 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 612 613 /* 614 * FILE based functions (can only be used AFTER relocation!) 615 */ 616 617 #define stdin 0 618 #define stdout 1 619 #define stderr 2 620 #define MAX_FILES 3 621 622 void fprintf(int file, const char *fmt, ...); 623 void fputs(int file, const char *s); 624 void fputc(int file, const char c); 625 int ftstc(int file); 626 int fgetc(int file); 627 628 int pcmcia_init (void); 629 630 #ifdef CONFIG_SHOW_BOOT_PROGRESS 631 void show_boot_progress (int status); 632 #endif 633 634 #ifdef CONFIG_INIT_CRITICAL 635 #error CONFIG_INIT_CRITICAL is deprecated! 636 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 637 #endif 638 639 #endif /* __COMMON_H_ */ 640