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 #define CONFIG_RELOC_FIXUP_WORKS 70 #elif defined(CONFIG_MPC8220) 71 #include <asm/immap_8220.h> 72 #elif defined(CONFIG_8260) 73 #if defined(CONFIG_MPC8247) \ 74 || defined(CONFIG_MPC8248) \ 75 || defined(CONFIG_MPC8271) \ 76 || defined(CONFIG_MPC8272) 77 #define CONFIG_MPC8272_FAMILY 1 78 #endif 79 #if defined(CONFIG_MPC8272_FAMILY) 80 #define CONFIG_MPC8260 1 81 #endif 82 #include <asm/immap_8260.h> 83 #endif 84 #ifdef CONFIG_MPC86xx 85 #include <mpc86xx.h> 86 #include <asm/immap_86xx.h> 87 #endif 88 #ifdef CONFIG_MPC85xx 89 #include <mpc85xx.h> 90 #include <asm/immap_85xx.h> 91 #endif 92 #ifdef CONFIG_MPC83XX 93 #include <mpc83xx.h> 94 #include <asm/immap_83xx.h> 95 #endif 96 #ifdef CONFIG_4xx 97 #include <ppc4xx.h> 98 #endif 99 #ifdef CONFIG_HYMOD 100 #include <board/hymod/hymod.h> 101 #endif 102 #ifdef CONFIG_ARM 103 #define asmlinkage /* nothing */ 104 #endif 105 106 #include <part.h> 107 #include <flash.h> 108 #include <image.h> 109 110 #ifdef DEBUG 111 #define debug(fmt,args...) printf (fmt ,##args) 112 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 113 #else 114 #define debug(fmt,args...) 115 #define debugX(level,fmt,args...) 116 #endif /* DEBUG */ 117 118 #define BUG() do { \ 119 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 120 panic("BUG!"); \ 121 } while (0) 122 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 123 124 typedef void (interrupt_handler_t)(void *); 125 126 #include <asm/u-boot.h> /* boot information for Linux kernel */ 127 #include <asm/global_data.h> /* global data used for startup functions */ 128 129 /* 130 * enable common handling for all TQM8xxL/M boards: 131 * - CONFIG_TQM8xxM will be defined for all TQM8xxM and TQM885D boards 132 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 133 */ 134 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 135 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 136 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) || \ 137 defined(CONFIG_TQM885D) 138 # ifndef CONFIG_TQM8xxM 139 # define CONFIG_TQM8xxM 140 # endif 141 #endif 142 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 143 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 144 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 145 # ifndef CONFIG_TQM8xxL 146 # define CONFIG_TQM8xxL 147 # endif 148 #endif 149 150 #ifndef CONFIG_SERIAL_MULTI 151 152 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 153 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 154 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 155 156 #define CONFIG_SERIAL_MULTI 1 157 158 #endif 159 160 #endif /* CONFIG_SERIAL_MULTI */ 161 162 /* 163 * General Purpose Utilities 164 */ 165 #define min(X, Y) \ 166 ({ typeof (X) __x = (X), __y = (Y); \ 167 (__x < __y) ? __x : __y; }) 168 169 #define max(X, Y) \ 170 ({ typeof (X) __x = (X), __y = (Y); \ 171 (__x > __y) ? __x : __y; }) 172 173 174 /* 175 * Function Prototypes 176 */ 177 178 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 179 void serial_buffered_init (void); 180 void serial_buffered_putc (const char); 181 void serial_buffered_puts (const char *); 182 int serial_buffered_getc (void); 183 int serial_buffered_tstc (void); 184 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 185 186 void hang (void) __attribute__ ((noreturn)); 187 188 /* */ 189 long int initdram (int); 190 int display_options (void); 191 void print_size (ulong, const char *); 192 int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); 193 194 /* common/main.c */ 195 void main_loop (void); 196 int run_command (const char *cmd, int flag); 197 int readline (const char *const prompt); 198 void init_cmd_timeout(void); 199 void reset_cmd_timeout(void); 200 201 /* lib_$(ARCH)/board.c */ 202 void board_init_f (ulong); 203 void board_init_r (gd_t *, ulong); 204 int checkboard (void); 205 int checkflash (void); 206 int checkdram (void); 207 char * strmhz(char *buf, long hz); 208 int last_stage_init(void); 209 extern ulong monitor_flash_len; 210 #ifdef CFG_ID_EEPROM 211 int mac_read_from_eeprom(void); 212 #endif 213 214 /* common/flash.c */ 215 void flash_perror (int); 216 217 /* common/cmd_autoscript.c */ 218 int autoscript (ulong addr); 219 220 /* common/cmd_bootm.c */ 221 void print_image_hdr (image_header_t *hdr); 222 223 extern ulong load_addr; /* Default Load Address */ 224 225 /* common/cmd_nvedit.c */ 226 int env_init (void); 227 void env_relocate (void); 228 char *getenv (char *); 229 int getenv_r (char *name, char *buf, unsigned len); 230 int saveenv (void); 231 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 232 void inline setenv (char *, char *); 233 #else 234 void setenv (char *, char *); 235 #endif /* CONFIG_PPC */ 236 #ifdef CONFIG_ARM 237 # include <asm/mach-types.h> 238 # include <asm/setup.h> 239 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 240 #endif /* CONFIG_ARM */ 241 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 242 # include <asm/u-boot-i386.h> 243 #endif /* CONFIG_I386 */ 244 245 #ifdef CONFIG_AUTO_COMPLETE 246 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 247 #endif 248 249 void pci_init (void); 250 void pci_init_board(void); 251 void pciinfo (int, int); 252 253 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 254 int pci_pre_init (struct pci_controller * ); 255 #endif 256 257 #if defined(CONFIG_PCI) && defined(CONFIG_440) 258 # if defined(CFG_PCI_TARGET_INIT) 259 void pci_target_init (struct pci_controller *); 260 # endif 261 # if defined(CFG_PCI_MASTER_INIT) 262 void pci_master_init (struct pci_controller *); 263 # endif 264 int is_pci_host (struct pci_controller *); 265 #if defined(CONFIG_440SPE) 266 void pcie_setup_hoses(void); 267 #endif 268 #endif 269 270 int misc_init_f (void); 271 int misc_init_r (void); 272 273 /* common/exports.c */ 274 void jumptable_init(void); 275 276 /* common/memsize.c */ 277 long get_ram_size (volatile long *, long); 278 279 /* $(BOARD)/$(BOARD).c */ 280 void reset_phy (void); 281 void fdc_hw_init (void); 282 283 /* $(BOARD)/eeprom.c */ 284 void eeprom_init (void); 285 #ifndef CONFIG_SPI 286 int eeprom_probe (unsigned dev_addr, unsigned offset); 287 #endif 288 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 289 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 290 #ifdef CONFIG_LWMON 291 extern uchar pic_read (uchar reg); 292 extern void pic_write (uchar reg, uchar val); 293 #endif 294 295 /* 296 * Set this up regardless of board 297 * type, to prevent errors. 298 */ 299 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 300 # define CFG_DEF_EEPROM_ADDR 0 301 #else 302 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 303 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 304 305 #if defined(CONFIG_SPI) 306 extern void spi_init_f (void); 307 extern void spi_init_r (void); 308 extern ssize_t spi_read (uchar *, int, uchar *, int); 309 extern ssize_t spi_write (uchar *, int, uchar *, int); 310 #endif 311 312 #ifdef CONFIG_RPXCLASSIC 313 void rpxclassic_init (void); 314 #endif 315 316 void rpxlite_init (void); 317 318 #ifdef CONFIG_MBX 319 /* $(BOARD)/mbx8xx.c */ 320 void mbx_init (void); 321 void board_serial_init (void); 322 void board_ether_init (void); 323 #endif 324 325 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 326 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 327 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) || \ 328 defined(CONFIG_V38B) 329 void board_get_enetaddr (uchar *addr); 330 #endif 331 332 #ifdef CONFIG_HERMES 333 /* $(BOARD)/hermes.c */ 334 void hermes_start_lxt980 (int speed); 335 #endif 336 337 #ifdef CONFIG_EVB64260 338 void evb64260_init(void); 339 void debug_led(int, int); 340 void display_mem_map(void); 341 void perform_soft_reset(void); 342 #endif 343 344 void load_sernum_ethaddr (void); 345 346 /* $(BOARD)/$(BOARD).c */ 347 int board_early_init_f (void); 348 int board_late_init (void); 349 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 350 int board_early_init_r (void); 351 void board_poweroff (void); 352 353 #if defined(CFG_DRAM_TEST) 354 int testdram(void); 355 #endif /* CFG_DRAM_TEST */ 356 357 /* $(CPU)/start.S */ 358 #if defined(CONFIG_5xx) || \ 359 defined(CONFIG_8xx) 360 uint get_immr (uint); 361 #endif 362 uint get_pir (void); 363 #if defined(CONFIG_MPC5xxx) 364 uint get_svr (void); 365 #endif 366 uint get_pvr (void); 367 uint get_svr (void); 368 uint rd_ic_cst (void); 369 void wr_ic_cst (uint); 370 void wr_ic_adr (uint); 371 uint rd_dc_cst (void); 372 void wr_dc_cst (uint); 373 void wr_dc_adr (uint); 374 int icache_status (void); 375 void icache_enable (void); 376 void icache_disable(void); 377 int dcache_status (void); 378 void dcache_enable (void); 379 void dcache_disable(void); 380 void relocate_code (ulong, gd_t *, ulong); 381 ulong get_endaddr (void); 382 void trap_init (ulong); 383 #if defined (CONFIG_4xx) || \ 384 defined (CONFIG_MPC5xxx) || \ 385 defined (CONFIG_74xx_7xx) || \ 386 defined (CONFIG_74x) || \ 387 defined (CONFIG_75x) || \ 388 defined (CONFIG_74xx) || \ 389 defined (CONFIG_MPC8220) || \ 390 defined (CONFIG_MPC85xx) || \ 391 defined (CONFIG_MPC86xx) || \ 392 defined (CONFIG_MPC83XX) 393 unsigned char in8(unsigned int); 394 void out8(unsigned int, unsigned char); 395 unsigned short in16(unsigned int); 396 unsigned short in16r(unsigned int); 397 void out16(unsigned int, unsigned short value); 398 void out16r(unsigned int, unsigned short value); 399 unsigned long in32(unsigned int); 400 unsigned long in32r(unsigned int); 401 void out32(unsigned int, unsigned long value); 402 void out32r(unsigned int, unsigned long value); 403 void ppcDcbf(unsigned long value); 404 void ppcDcbi(unsigned long value); 405 void ppcSync(void); 406 void ppcDcbz(unsigned long value); 407 #endif 408 #if defined (CONFIG_MICROBLAZE) 409 unsigned short in16(unsigned int); 410 void out16(unsigned int, unsigned short value); 411 #endif 412 413 #if defined (CONFIG_MPC83XX) 414 void ppcDWload(unsigned int *addr, unsigned int *ret); 415 void ppcDWstore(unsigned int *addr, unsigned int *value); 416 #endif 417 418 /* $(CPU)/cpu.c */ 419 int checkcpu (void); 420 int checkicache (void); 421 int checkdcache (void); 422 void upmconfig (unsigned int, unsigned int *, unsigned int); 423 ulong get_tbclk (void); 424 void reset_cpu (ulong addr); 425 426 /* $(CPU)/serial.c */ 427 int serial_init (void); 428 void serial_addr (unsigned int); 429 void serial_setbrg (void); 430 void serial_putc (const char); 431 void serial_putc_raw(const char); 432 void serial_puts (const char *); 433 int serial_getc (void); 434 int serial_tstc (void); 435 436 void _serial_setbrg (const int); 437 void _serial_putc (const char, const int); 438 void _serial_putc_raw(const char, const int); 439 void _serial_puts (const char *, const int); 440 int _serial_getc (const int); 441 int _serial_tstc (const int); 442 443 /* $(CPU)/speed.c */ 444 int get_clocks (void); 445 int get_clocks_866 (void); 446 int sdram_adjust_866 (void); 447 int adjust_sdram_tbs_8xx (void); 448 #if defined(CONFIG_8260) 449 int prt_8260_clks (void); 450 #elif defined(CONFIG_MPC5xxx) 451 int prt_mpc5xxx_clks (void); 452 #endif 453 #if defined(CONFIG_MPC8220) 454 int prt_mpc8220_clks (void); 455 #endif 456 #ifdef CONFIG_4xx 457 ulong get_OPB_freq (void); 458 ulong get_PCI_freq (void); 459 #endif 460 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 461 ulong get_FCLK (void); 462 ulong get_HCLK (void); 463 ulong get_PCLK (void); 464 ulong get_UCLK (void); 465 #endif 466 #if defined(CONFIG_LH7A40X) 467 ulong get_PLLCLK (void); 468 #endif 469 #if defined CONFIG_INCA_IP 470 uint incaip_get_cpuclk (void); 471 #endif 472 #if defined(CONFIG_IMX) 473 ulong get_systemPLLCLK(void); 474 ulong get_FCLK(void); 475 ulong get_HCLK(void); 476 ulong get_BCLK(void); 477 ulong get_PERCLK1(void); 478 ulong get_PERCLK2(void); 479 ulong get_PERCLK3(void); 480 #endif 481 ulong get_bus_freq (ulong); 482 483 #if defined(CONFIG_MPC85xx) 484 typedef MPC85xx_SYS_INFO sys_info_t; 485 void get_sys_info ( sys_info_t * ); 486 #endif 487 #if defined(CONFIG_MPC86xx) 488 typedef MPC86xx_SYS_INFO sys_info_t; 489 void get_sys_info ( sys_info_t * ); 490 #endif 491 492 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 493 # if defined(CONFIG_440) 494 typedef PPC440_SYS_INFO sys_info_t; 495 # if defined(CONFIG_440SPE) 496 unsigned long determine_sysper(void); 497 unsigned long determine_pci_clock_per(void); 498 int ppc440spe_revB(void); 499 # endif 500 # else 501 typedef PPC405_SYS_INFO sys_info_t; 502 # endif 503 void get_sys_info ( sys_info_t * ); 504 #endif 505 506 /* $(CPU)/cpu_init.c */ 507 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 508 void cpu_init_f (volatile immap_t *immr); 509 #endif 510 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 511 void cpu_init_f (void); 512 #endif 513 514 int cpu_init_r (void); 515 #if defined(CONFIG_8260) 516 int prt_8260_rsr (void); 517 #endif 518 519 /* $(CPU)/interrupts.c */ 520 int interrupt_init (void); 521 void timer_interrupt (struct pt_regs *); 522 void external_interrupt (struct pt_regs *); 523 void irq_install_handler(int, interrupt_handler_t *, void *); 524 void irq_free_handler (int); 525 void reset_timer (void); 526 ulong get_timer (ulong base); 527 void set_timer (ulong t); 528 void enable_interrupts (void); 529 int disable_interrupts (void); 530 531 /* $(CPU)/.../commproc.c */ 532 int dpram_init (void); 533 uint dpram_base(void); 534 uint dpram_base_align(uint align); 535 uint dpram_alloc(uint size); 536 uint dpram_alloc_align(uint size,uint align); 537 void post_word_store (ulong); 538 ulong post_word_load (void); 539 void bootcount_store (ulong); 540 ulong bootcount_load (void); 541 #define BOOTCOUNT_MAGIC 0xB001C041 542 543 /* $(CPU)/.../<eth> */ 544 void mii_init (void); 545 546 /* $(CPU)/.../lcd.c */ 547 ulong lcd_setmem (ulong); 548 549 /* $(CPU)/.../vfd.c */ 550 ulong vfd_setmem (ulong); 551 552 /* $(CPU)/.../video.c */ 553 ulong video_setmem (ulong); 554 555 /* lib_$(ARCH)/cache.c */ 556 void flush_cache (unsigned long, unsigned long); 557 558 559 /* lib_$(ARCH)/ticks.S */ 560 unsigned long long get_ticks(void); 561 void wait_ticks (unsigned long); 562 563 /* lib_$(ARCH)/time.c */ 564 void udelay (unsigned long); 565 ulong usec2ticks (unsigned long usec); 566 ulong ticks2usec (unsigned long ticks); 567 int init_timebase (void); 568 569 /* lib_generic/vsprintf.c */ 570 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 571 #ifdef CFG_64BIT_VSPRINTF 572 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 573 #endif 574 long simple_strtol(const char *cp,char **endp,unsigned int base); 575 void panic(const char *fmt, ...); 576 int sprintf(char * buf, const char *fmt, ...); 577 int vsprintf(char *buf, const char *fmt, va_list args); 578 579 /* lib_generic/crc32.c */ 580 ulong crc32 (ulong, const unsigned char *, uint); 581 ulong crc32_no_comp (ulong, const unsigned char *, uint); 582 583 /* common/console.c */ 584 int console_init_f(void); /* Before relocation; uses the serial stuff */ 585 int console_init_r(void); /* After relocation; uses the console stuff */ 586 int console_assign (int file, char *devname); /* Assign the console */ 587 int ctrlc (void); 588 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 589 void clear_ctrlc (void); /* clear the Control-C condition */ 590 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 591 592 /* 593 * STDIO based functions (can always be used) 594 */ 595 596 /* serial stuff */ 597 void serial_printf (const char *fmt, ...); 598 599 /* stdin */ 600 int getc(void); 601 int tstc(void); 602 603 /* stdout */ 604 void putc(const char c); 605 void puts(const char *s); 606 void printf(const char *fmt, ...); 607 void vprintf(const char *fmt, va_list args); 608 609 /* stderr */ 610 #define eputc(c) fputc(stderr, c) 611 #define eputs(s) fputs(stderr, s) 612 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 613 614 /* 615 * FILE based functions (can only be used AFTER relocation!) 616 */ 617 618 #define stdin 0 619 #define stdout 1 620 #define stderr 2 621 #define MAX_FILES 3 622 623 void fprintf(int file, const char *fmt, ...); 624 void fputs(int file, const char *s); 625 void fputc(int file, const char c); 626 int ftstc(int file); 627 int fgetc(int file); 628 629 int pcmcia_init (void); 630 631 #ifdef CONFIG_SHOW_BOOT_PROGRESS 632 void show_boot_progress (int status); 633 #endif 634 635 #ifdef CONFIG_INIT_CRITICAL 636 #error CONFIG_INIT_CRITICAL is deprecated! 637 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 638 #endif 639 640 #endif /* __COMMON_H_ */ 641