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, 191 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_440) 253 # if defined(CFG_PCI_PRE_INIT) 254 int pci_pre_init (struct pci_controller * ); 255 # endif 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 406 407 #if defined (CONFIG_MPC83XX) 408 void ppcDWload(unsigned int *addr, unsigned int *ret); 409 void ppcDWstore(unsigned int *addr, unsigned int *value); 410 #endif 411 412 /* $(CPU)/cpu.c */ 413 int checkcpu (void); 414 int checkicache (void); 415 int checkdcache (void); 416 void upmconfig (unsigned int, unsigned int *, unsigned int); 417 ulong get_tbclk (void); 418 void reset_cpu (ulong addr); 419 420 /* $(CPU)/serial.c */ 421 int serial_init (void); 422 void serial_addr (unsigned int); 423 void serial_setbrg (void); 424 void serial_putc (const char); 425 void serial_putc_raw(const char); 426 void serial_puts (const char *); 427 int serial_getc (void); 428 int serial_tstc (void); 429 430 void _serial_setbrg (const int); 431 void _serial_putc (const char, const int); 432 void _serial_putc_raw(const char, const int); 433 void _serial_puts (const char *, const int); 434 int _serial_getc (const int); 435 int _serial_tstc (const int); 436 437 /* $(CPU)/speed.c */ 438 int get_clocks (void); 439 int get_clocks_866 (void); 440 int sdram_adjust_866 (void); 441 int adjust_sdram_tbs_8xx (void); 442 #if defined(CONFIG_8260) 443 int prt_8260_clks (void); 444 #elif defined(CONFIG_MPC83XX) 445 int print_clock_conf(void); 446 #elif defined(CONFIG_MPC5xxx) 447 int prt_mpc5xxx_clks (void); 448 #endif 449 #if defined(CONFIG_MPC8220) 450 int prt_mpc8220_clks (void); 451 #endif 452 #ifdef CONFIG_4xx 453 ulong get_OPB_freq (void); 454 ulong get_PCI_freq (void); 455 #endif 456 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 457 ulong get_FCLK (void); 458 ulong get_HCLK (void); 459 ulong get_PCLK (void); 460 ulong get_UCLK (void); 461 #endif 462 #if defined(CONFIG_LH7A40X) 463 ulong get_PLLCLK (void); 464 #endif 465 #if defined CONFIG_INCA_IP 466 uint incaip_get_cpuclk (void); 467 #endif 468 #if defined(CONFIG_IMX) 469 ulong get_systemPLLCLK(void); 470 ulong get_FCLK(void); 471 ulong get_HCLK(void); 472 ulong get_BCLK(void); 473 ulong get_PERCLK1(void); 474 ulong get_PERCLK2(void); 475 ulong get_PERCLK3(void); 476 #endif 477 ulong get_bus_freq (ulong); 478 479 #if defined(CONFIG_MPC85xx) 480 typedef MPC85xx_SYS_INFO sys_info_t; 481 void get_sys_info ( sys_info_t * ); 482 #endif 483 #if defined(CONFIG_MPC86xx) 484 typedef MPC86xx_SYS_INFO sys_info_t; 485 void get_sys_info ( sys_info_t * ); 486 #endif 487 488 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 489 # if defined(CONFIG_440) 490 typedef PPC440_SYS_INFO sys_info_t; 491 # if defined(CONFIG_440SPE) 492 unsigned long determine_sysper(void); 493 unsigned long determine_pci_clock_per(void); 494 int ppc440spe_revB(void); 495 # endif 496 # else 497 typedef PPC405_SYS_INFO sys_info_t; 498 # endif 499 void get_sys_info ( sys_info_t * ); 500 #endif 501 502 /* $(CPU)/cpu_init.c */ 503 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 504 void cpu_init_f (volatile immap_t *immr); 505 #endif 506 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 507 void cpu_init_f (void); 508 #endif 509 510 int cpu_init_r (void); 511 #if defined(CONFIG_8260) 512 int prt_8260_rsr (void); 513 #endif 514 515 /* $(CPU)/interrupts.c */ 516 int interrupt_init (void); 517 void timer_interrupt (struct pt_regs *); 518 void external_interrupt (struct pt_regs *); 519 void irq_install_handler(int, interrupt_handler_t *, void *); 520 void irq_free_handler (int); 521 void reset_timer (void); 522 ulong get_timer (ulong base); 523 void set_timer (ulong t); 524 void enable_interrupts (void); 525 int disable_interrupts (void); 526 527 /* $(CPU)/.../commproc.c */ 528 int dpram_init (void); 529 uint dpram_base(void); 530 uint dpram_base_align(uint align); 531 uint dpram_alloc(uint size); 532 uint dpram_alloc_align(uint size,uint align); 533 void post_word_store (ulong); 534 ulong post_word_load (void); 535 void bootcount_store (ulong); 536 ulong bootcount_load (void); 537 #define BOOTCOUNT_MAGIC 0xB001C041 538 539 /* $(CPU)/.../<eth> */ 540 void mii_init (void); 541 542 /* $(CPU)/.../lcd.c */ 543 ulong lcd_setmem (ulong); 544 545 /* $(CPU)/.../vfd.c */ 546 ulong vfd_setmem (ulong); 547 548 /* $(CPU)/.../video.c */ 549 ulong video_setmem (ulong); 550 551 /* lib_$(ARCH)/cache.c */ 552 void flush_cache (unsigned long, unsigned long); 553 554 555 /* lib_$(ARCH)/ticks.S */ 556 unsigned long long get_ticks(void); 557 void wait_ticks (unsigned long); 558 559 /* lib_$(ARCH)/time.c */ 560 void udelay (unsigned long); 561 ulong usec2ticks (unsigned long usec); 562 ulong ticks2usec (unsigned long ticks); 563 int init_timebase (void); 564 565 /* lib_generic/vsprintf.c */ 566 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 567 #ifdef CFG_64BIT_VSPRINTF 568 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 569 #endif 570 long simple_strtol(const char *cp,char **endp,unsigned int base); 571 void panic(const char *fmt, ...); 572 int sprintf(char * buf, const char *fmt, ...); 573 int vsprintf(char *buf, const char *fmt, va_list args); 574 575 /* lib_generic/crc32.c */ 576 ulong crc32 (ulong, const unsigned char *, uint); 577 ulong crc32_no_comp (ulong, const unsigned char *, uint); 578 579 /* common/console.c */ 580 int console_init_f(void); /* Before relocation; uses the serial stuff */ 581 int console_init_r(void); /* After relocation; uses the console stuff */ 582 int console_assign (int file, char *devname); /* Assign the console */ 583 int ctrlc (void); 584 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 585 void clear_ctrlc (void); /* clear the Control-C condition */ 586 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 587 588 /* 589 * STDIO based functions (can always be used) 590 */ 591 592 /* serial stuff */ 593 void serial_printf (const char *fmt, ...); 594 595 /* stdin */ 596 int getc(void); 597 int tstc(void); 598 599 /* stdout */ 600 void putc(const char c); 601 void puts(const char *s); 602 void printf(const char *fmt, ...); 603 void vprintf(const char *fmt, va_list args); 604 605 /* stderr */ 606 #define eputc(c) fputc(stderr, c) 607 #define eputs(s) fputs(stderr, s) 608 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 609 610 /* 611 * FILE based functions (can only be used AFTER relocation!) 612 */ 613 614 #define stdin 0 615 #define stdout 1 616 #define stderr 2 617 #define MAX_FILES 3 618 619 void fprintf(int file, const char *fmt, ...); 620 void fputs(int file, const char *s); 621 void fputc(int file, const char c); 622 int ftstc(int file); 623 int fgetc(int file); 624 625 int pcmcia_init (void); 626 627 #ifdef CONFIG_SHOW_BOOT_PROGRESS 628 void show_boot_progress (int status); 629 #endif 630 631 #ifdef CONFIG_INIT_CRITICAL 632 #error CONFIG_INIT_CRITICAL is deprecated! 633 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 634 #endif 635 636 #endif /* __COMMON_H_ */ 637