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 #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_4xx) && !defined(CONFIG_AP1000)) 252 int pci_pre_init (struct pci_controller * ); 253 #endif 254 255 #if defined(CONFIG_PCI) && defined(CONFIG_440) 256 # if defined(CFG_PCI_TARGET_INIT) 257 void pci_target_init (struct pci_controller *); 258 # endif 259 # if defined(CFG_PCI_MASTER_INIT) 260 void pci_master_init (struct pci_controller *); 261 # endif 262 int is_pci_host (struct pci_controller *); 263 #if defined(CONFIG_440SPE) 264 void pcie_setup_hoses(void); 265 #endif 266 #endif 267 268 int misc_init_f (void); 269 int misc_init_r (void); 270 271 /* common/exports.c */ 272 void jumptable_init(void); 273 274 /* common/memsize.c */ 275 long get_ram_size (volatile long *, long); 276 277 /* $(BOARD)/$(BOARD).c */ 278 void reset_phy (void); 279 void fdc_hw_init (void); 280 281 /* $(BOARD)/eeprom.c */ 282 void eeprom_init (void); 283 #ifndef CONFIG_SPI 284 int eeprom_probe (unsigned dev_addr, unsigned offset); 285 #endif 286 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 287 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 288 #ifdef CONFIG_LWMON 289 extern uchar pic_read (uchar reg); 290 extern void pic_write (uchar reg, uchar val); 291 #endif 292 293 /* 294 * Set this up regardless of board 295 * type, to prevent errors. 296 */ 297 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 298 # define CFG_DEF_EEPROM_ADDR 0 299 #else 300 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 301 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 302 303 #if defined(CONFIG_SPI) 304 extern void spi_init_f (void); 305 extern void spi_init_r (void); 306 extern ssize_t spi_read (uchar *, int, uchar *, int); 307 extern ssize_t spi_write (uchar *, int, uchar *, int); 308 #endif 309 310 #ifdef CONFIG_RPXCLASSIC 311 void rpxclassic_init (void); 312 #endif 313 314 void rpxlite_init (void); 315 316 #ifdef CONFIG_MBX 317 /* $(BOARD)/mbx8xx.c */ 318 void mbx_init (void); 319 void board_serial_init (void); 320 void board_ether_init (void); 321 #endif 322 323 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 324 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 325 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) || \ 326 defined(CONFIG_V38B) 327 void board_get_enetaddr (uchar *addr); 328 #endif 329 330 #ifdef CONFIG_HERMES 331 /* $(BOARD)/hermes.c */ 332 void hermes_start_lxt980 (int speed); 333 #endif 334 335 #ifdef CONFIG_EVB64260 336 void evb64260_init(void); 337 void debug_led(int, int); 338 void display_mem_map(void); 339 void perform_soft_reset(void); 340 #endif 341 342 void load_sernum_ethaddr (void); 343 344 /* $(BOARD)/$(BOARD).c */ 345 int board_early_init_f (void); 346 int board_late_init (void); 347 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 348 int board_early_init_r (void); 349 void board_poweroff (void); 350 351 #if defined(CFG_DRAM_TEST) 352 int testdram(void); 353 #endif /* CFG_DRAM_TEST */ 354 355 /* $(CPU)/start.S */ 356 #if defined(CONFIG_5xx) || \ 357 defined(CONFIG_8xx) 358 uint get_immr (uint); 359 #endif 360 uint get_pir (void); 361 #if defined(CONFIG_MPC5xxx) 362 uint get_svr (void); 363 #endif 364 uint get_pvr (void); 365 uint get_svr (void); 366 uint rd_ic_cst (void); 367 void wr_ic_cst (uint); 368 void wr_ic_adr (uint); 369 uint rd_dc_cst (void); 370 void wr_dc_cst (uint); 371 void wr_dc_adr (uint); 372 int icache_status (void); 373 void icache_enable (void); 374 void icache_disable(void); 375 int dcache_status (void); 376 void dcache_enable (void); 377 void dcache_disable(void); 378 void relocate_code (ulong, gd_t *, ulong); 379 ulong get_endaddr (void); 380 void trap_init (ulong); 381 #if defined (CONFIG_4xx) || \ 382 defined (CONFIG_MPC5xxx) || \ 383 defined (CONFIG_74xx_7xx) || \ 384 defined (CONFIG_74x) || \ 385 defined (CONFIG_75x) || \ 386 defined (CONFIG_74xx) || \ 387 defined (CONFIG_MPC8220) || \ 388 defined (CONFIG_MPC85xx) || \ 389 defined (CONFIG_MPC86xx) || \ 390 defined (CONFIG_MPC83XX) 391 unsigned char in8(unsigned int); 392 void out8(unsigned int, unsigned char); 393 unsigned short in16(unsigned int); 394 unsigned short in16r(unsigned int); 395 void out16(unsigned int, unsigned short value); 396 void out16r(unsigned int, unsigned short value); 397 unsigned long in32(unsigned int); 398 unsigned long in32r(unsigned int); 399 void out32(unsigned int, unsigned long value); 400 void out32r(unsigned int, unsigned long value); 401 void ppcDcbf(unsigned long value); 402 void ppcDcbi(unsigned long value); 403 void ppcSync(void); 404 void ppcDcbz(unsigned long value); 405 #endif 406 #if defined (CONFIG_MICROBLAZE) 407 unsigned short in16(unsigned int); 408 void out16(unsigned int, unsigned short value); 409 #endif 410 411 #if defined (CONFIG_MPC83XX) 412 void ppcDWload(unsigned int *addr, unsigned int *ret); 413 void ppcDWstore(unsigned int *addr, unsigned int *value); 414 #endif 415 416 /* $(CPU)/cpu.c */ 417 int checkcpu (void); 418 int checkicache (void); 419 int checkdcache (void); 420 void upmconfig (unsigned int, unsigned int *, unsigned int); 421 ulong get_tbclk (void); 422 void reset_cpu (ulong addr); 423 424 /* $(CPU)/serial.c */ 425 int serial_init (void); 426 void serial_addr (unsigned int); 427 void serial_setbrg (void); 428 void serial_putc (const char); 429 void serial_putc_raw(const char); 430 void serial_puts (const char *); 431 int serial_getc (void); 432 int serial_tstc (void); 433 434 void _serial_setbrg (const int); 435 void _serial_putc (const char, const int); 436 void _serial_putc_raw(const char, const int); 437 void _serial_puts (const char *, const int); 438 int _serial_getc (const int); 439 int _serial_tstc (const int); 440 441 /* $(CPU)/speed.c */ 442 int get_clocks (void); 443 int get_clocks_866 (void); 444 int sdram_adjust_866 (void); 445 int adjust_sdram_tbs_8xx (void); 446 #if defined(CONFIG_8260) 447 int prt_8260_clks (void); 448 #elif defined(CONFIG_MPC5xxx) 449 int prt_mpc5xxx_clks (void); 450 #endif 451 #if defined(CONFIG_MPC8220) 452 int prt_mpc8220_clks (void); 453 #endif 454 #ifdef CONFIG_4xx 455 ulong get_OPB_freq (void); 456 ulong get_PCI_freq (void); 457 #endif 458 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 459 ulong get_FCLK (void); 460 ulong get_HCLK (void); 461 ulong get_PCLK (void); 462 ulong get_UCLK (void); 463 #endif 464 #if defined(CONFIG_LH7A40X) 465 ulong get_PLLCLK (void); 466 #endif 467 #if defined CONFIG_INCA_IP 468 uint incaip_get_cpuclk (void); 469 #endif 470 #if defined(CONFIG_IMX) 471 ulong get_systemPLLCLK(void); 472 ulong get_FCLK(void); 473 ulong get_HCLK(void); 474 ulong get_BCLK(void); 475 ulong get_PERCLK1(void); 476 ulong get_PERCLK2(void); 477 ulong get_PERCLK3(void); 478 #endif 479 ulong get_bus_freq (ulong); 480 481 #if defined(CONFIG_MPC85xx) 482 typedef MPC85xx_SYS_INFO sys_info_t; 483 void get_sys_info ( sys_info_t * ); 484 #endif 485 #if defined(CONFIG_MPC86xx) 486 typedef MPC86xx_SYS_INFO sys_info_t; 487 void get_sys_info ( sys_info_t * ); 488 #endif 489 490 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 491 # if defined(CONFIG_440) 492 typedef PPC440_SYS_INFO sys_info_t; 493 # if defined(CONFIG_440SPE) 494 unsigned long determine_sysper(void); 495 unsigned long determine_pci_clock_per(void); 496 int ppc440spe_revB(void); 497 # endif 498 # else 499 typedef PPC405_SYS_INFO sys_info_t; 500 # endif 501 void get_sys_info ( sys_info_t * ); 502 #endif 503 504 /* $(CPU)/cpu_init.c */ 505 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 506 void cpu_init_f (volatile immap_t *immr); 507 #endif 508 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 509 void cpu_init_f (void); 510 #endif 511 512 int cpu_init_r (void); 513 #if defined(CONFIG_8260) 514 int prt_8260_rsr (void); 515 #endif 516 517 /* $(CPU)/interrupts.c */ 518 int interrupt_init (void); 519 void timer_interrupt (struct pt_regs *); 520 void external_interrupt (struct pt_regs *); 521 void irq_install_handler(int, interrupt_handler_t *, void *); 522 void irq_free_handler (int); 523 void reset_timer (void); 524 ulong get_timer (ulong base); 525 void set_timer (ulong t); 526 void enable_interrupts (void); 527 int disable_interrupts (void); 528 529 /* $(CPU)/.../commproc.c */ 530 int dpram_init (void); 531 uint dpram_base(void); 532 uint dpram_base_align(uint align); 533 uint dpram_alloc(uint size); 534 uint dpram_alloc_align(uint size,uint align); 535 void post_word_store (ulong); 536 ulong post_word_load (void); 537 void bootcount_store (ulong); 538 ulong bootcount_load (void); 539 #define BOOTCOUNT_MAGIC 0xB001C041 540 541 /* $(CPU)/.../<eth> */ 542 void mii_init (void); 543 544 /* $(CPU)/.../lcd.c */ 545 ulong lcd_setmem (ulong); 546 547 /* $(CPU)/.../vfd.c */ 548 ulong vfd_setmem (ulong); 549 550 /* $(CPU)/.../video.c */ 551 ulong video_setmem (ulong); 552 553 /* lib_$(ARCH)/cache.c */ 554 void flush_cache (unsigned long, unsigned long); 555 556 557 /* lib_$(ARCH)/ticks.S */ 558 unsigned long long get_ticks(void); 559 void wait_ticks (unsigned long); 560 561 /* lib_$(ARCH)/time.c */ 562 void udelay (unsigned long); 563 ulong usec2ticks (unsigned long usec); 564 ulong ticks2usec (unsigned long ticks); 565 int init_timebase (void); 566 567 /* lib_generic/vsprintf.c */ 568 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 569 #ifdef CFG_64BIT_VSPRINTF 570 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 571 #endif 572 long simple_strtol(const char *cp,char **endp,unsigned int base); 573 void panic(const char *fmt, ...); 574 int sprintf(char * buf, const char *fmt, ...); 575 int vsprintf(char *buf, const char *fmt, va_list args); 576 577 /* lib_generic/crc32.c */ 578 ulong crc32 (ulong, const unsigned char *, uint); 579 ulong crc32_no_comp (ulong, const unsigned char *, uint); 580 581 /* common/console.c */ 582 int console_init_f(void); /* Before relocation; uses the serial stuff */ 583 int console_init_r(void); /* After relocation; uses the console stuff */ 584 int console_assign (int file, char *devname); /* Assign the console */ 585 int ctrlc (void); 586 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 587 void clear_ctrlc (void); /* clear the Control-C condition */ 588 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 589 590 /* 591 * STDIO based functions (can always be used) 592 */ 593 594 /* serial stuff */ 595 void serial_printf (const char *fmt, ...); 596 597 /* stdin */ 598 int getc(void); 599 int tstc(void); 600 601 /* stdout */ 602 void putc(const char c); 603 void puts(const char *s); 604 void printf(const char *fmt, ...); 605 void vprintf(const char *fmt, va_list args); 606 607 /* stderr */ 608 #define eputc(c) fputc(stderr, c) 609 #define eputs(s) fputs(stderr, s) 610 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 611 612 /* 613 * FILE based functions (can only be used AFTER relocation!) 614 */ 615 616 #define stdin 0 617 #define stdout 1 618 #define stderr 2 619 #define MAX_FILES 3 620 621 void fprintf(int file, const char *fmt, ...); 622 void fputs(int file, const char *s); 623 void fputc(int file, const char c); 624 int ftstc(int file); 625 int fgetc(int file); 626 627 int pcmcia_init (void); 628 629 #ifdef CONFIG_SHOW_BOOT_PROGRESS 630 void show_boot_progress (int status); 631 #endif 632 633 #ifdef CONFIG_INIT_CRITICAL 634 #error CONFIG_INIT_CRITICAL is deprecated! 635 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 636 #endif 637 638 #endif /* __COMMON_H_ */ 639