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