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_MPC85xx 83 #include <mpc85xx.h> 84 #include <asm/immap_85xx.h> 85 #endif 86 #ifdef CONFIG_MPC83XX 87 #include <mpc83xx.h> 88 #include <asm/immap_83xx.h> 89 #endif 90 #ifdef CONFIG_4xx 91 #include <ppc4xx.h> 92 #endif 93 #ifdef CONFIG_HYMOD 94 #include <board/hymod/hymod.h> 95 #endif 96 #ifdef CONFIG_ARM 97 #define asmlinkage /* nothing */ 98 #endif 99 100 #include <part.h> 101 #include <flash.h> 102 #include <image.h> 103 104 #ifdef DEBUG 105 #define debug(fmt,args...) printf (fmt ,##args) 106 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 107 #else 108 #define debug(fmt,args...) 109 #define debugX(level,fmt,args...) 110 #endif /* DEBUG */ 111 112 #define BUG() do { \ 113 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 114 panic("BUG!"); \ 115 } while (0) 116 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 117 118 typedef void (interrupt_handler_t)(void *); 119 120 #include <asm/u-boot.h> /* boot information for Linux kernel */ 121 #include <asm/global_data.h> /* global data used for startup functions */ 122 123 /* 124 * enable common handling for all TQM8xxL/M boards: 125 * - CONFIG_TQM8xxM will be defined for all TQM8xxM and TQM885D boards 126 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 127 */ 128 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 129 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 130 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) || \ 131 defined(CONFIG_TQM885D) 132 # ifndef CONFIG_TQM8xxM 133 # define CONFIG_TQM8xxM 134 # endif 135 #endif 136 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 137 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 138 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 139 # ifndef CONFIG_TQM8xxL 140 # define CONFIG_TQM8xxL 141 # endif 142 #endif 143 144 #ifndef CONFIG_SERIAL_MULTI 145 146 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 147 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 148 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 149 150 #define CONFIG_SERIAL_MULTI 1 151 152 #endif 153 154 #endif /* CONFIG_SERIAL_MULTI */ 155 156 /* 157 * General Purpose Utilities 158 */ 159 #define min(X, Y) \ 160 ({ typeof (X) __x = (X), __y = (Y); \ 161 (__x < __y) ? __x : __y; }) 162 163 #define max(X, Y) \ 164 ({ typeof (X) __x = (X), __y = (Y); \ 165 (__x > __y) ? __x : __y; }) 166 167 168 /* 169 * Function Prototypes 170 */ 171 172 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 173 void serial_buffered_init (void); 174 void serial_buffered_putc (const char); 175 void serial_buffered_puts (const char *); 176 int serial_buffered_getc (void); 177 int serial_buffered_tstc (void); 178 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 179 180 void hang (void) __attribute__ ((noreturn)); 181 182 /* */ 183 long int initdram (int); 184 int display_options (void); 185 void print_size (ulong, const char *); 186 187 /* common/main.c */ 188 void main_loop (void); 189 int run_command (const char *cmd, int flag); 190 int readline (const char *const prompt); 191 void init_cmd_timeout(void); 192 void reset_cmd_timeout(void); 193 194 /* lib_$(ARCH)/board.c */ 195 void board_init_f (ulong); 196 void board_init_r (gd_t *, ulong); 197 int checkboard (void); 198 int checkflash (void); 199 int checkdram (void); 200 char * strmhz(char *buf, long hz); 201 int last_stage_init(void); 202 extern ulong monitor_flash_len; 203 204 /* common/flash.c */ 205 void flash_perror (int); 206 207 /* common/cmd_autoscript.c */ 208 int autoscript (ulong addr); 209 210 /* common/cmd_bootm.c */ 211 void print_image_hdr (image_header_t *hdr); 212 213 extern ulong load_addr; /* Default Load Address */ 214 215 /* common/cmd_nvedit.c */ 216 int env_init (void); 217 void env_relocate (void); 218 char *getenv (char *); 219 int getenv_r (char *name, char *buf, unsigned len); 220 int saveenv (void); 221 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 222 void inline setenv (char *, char *); 223 #else 224 void setenv (char *, char *); 225 #endif /* CONFIG_PPC */ 226 #ifdef CONFIG_ARM 227 # include <asm/mach-types.h> 228 # include <asm/setup.h> 229 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 230 #endif /* CONFIG_ARM */ 231 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 232 # include <asm/u-boot-i386.h> 233 #endif /* CONFIG_I386 */ 234 235 #ifdef CONFIG_AUTO_COMPLETE 236 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 237 #endif 238 239 void pci_init (void); 240 void pci_init_board(void); 241 void pciinfo (int, int); 242 243 #if defined(CONFIG_PCI) && defined(CONFIG_440) 244 # if defined(CFG_PCI_PRE_INIT) 245 int pci_pre_init (struct pci_controller * ); 246 # endif 247 # if defined(CFG_PCI_TARGET_INIT) 248 void pci_target_init (struct pci_controller *); 249 # endif 250 # if defined(CFG_PCI_MASTER_INIT) 251 void pci_master_init (struct pci_controller *); 252 # endif 253 int is_pci_host (struct pci_controller *); 254 #if defined(CONFIG_440SPE) 255 void pcie_setup_hoses(void); 256 #endif 257 #endif 258 259 int misc_init_f (void); 260 int misc_init_r (void); 261 262 /* common/exports.c */ 263 void jumptable_init(void); 264 265 /* common/memsize.c */ 266 int get_ram_size (volatile long *, long); 267 268 /* $(BOARD)/$(BOARD).c */ 269 void reset_phy (void); 270 void fdc_hw_init (void); 271 272 /* $(BOARD)/eeprom.c */ 273 void eeprom_init (void); 274 #ifndef CONFIG_SPI 275 int eeprom_probe (unsigned dev_addr, unsigned offset); 276 #endif 277 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 278 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 279 #ifdef CONFIG_LWMON 280 extern uchar pic_read (uchar reg); 281 extern void pic_write (uchar reg, uchar val); 282 #endif 283 284 /* 285 * Set this up regardless of board 286 * type, to prevent errors. 287 */ 288 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 289 # define CFG_DEF_EEPROM_ADDR 0 290 #else 291 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 292 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 293 294 #if defined(CONFIG_SPI) 295 extern void spi_init_f (void); 296 extern void spi_init_r (void); 297 extern ssize_t spi_read (uchar *, int, uchar *, int); 298 extern ssize_t spi_write (uchar *, int, uchar *, int); 299 #endif 300 301 #ifdef CONFIG_RPXCLASSIC 302 void rpxclassic_init (void); 303 #endif 304 305 void rpxlite_init (void); 306 307 #ifdef CONFIG_MBX 308 /* $(BOARD)/mbx8xx.c */ 309 void mbx_init (void); 310 void board_serial_init (void); 311 void board_ether_init (void); 312 #endif 313 314 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 315 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 316 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) || \ 317 defined(CONFIG_V38B) 318 void board_get_enetaddr (uchar *addr); 319 #endif 320 321 #ifdef CONFIG_HERMES 322 /* $(BOARD)/hermes.c */ 323 void hermes_start_lxt980 (int speed); 324 #endif 325 326 #ifdef CONFIG_EVB64260 327 void evb64260_init(void); 328 void debug_led(int, int); 329 void display_mem_map(void); 330 void perform_soft_reset(void); 331 #endif 332 333 void load_sernum_ethaddr (void); 334 335 /* $(BOARD)/$(BOARD).c */ 336 int board_early_init_f (void); 337 int board_late_init (void); 338 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 339 int board_early_init_r (void); 340 void board_poweroff (void); 341 342 #if defined(CFG_DRAM_TEST) 343 int testdram(void); 344 #endif /* CFG_DRAM_TEST */ 345 346 /* $(CPU)/start.S */ 347 #if defined(CONFIG_5xx) || \ 348 defined(CONFIG_8xx) 349 uint get_immr (uint); 350 #endif 351 uint get_pir (void); 352 #if defined(CONFIG_MPC5xxx) 353 uint get_svr (void); 354 #endif 355 uint get_pvr (void); 356 uint get_svr (void); 357 uint rd_ic_cst (void); 358 void wr_ic_cst (uint); 359 void wr_ic_adr (uint); 360 uint rd_dc_cst (void); 361 void wr_dc_cst (uint); 362 void wr_dc_adr (uint); 363 int icache_status (void); 364 void icache_enable (void); 365 void icache_disable(void); 366 int dcache_status (void); 367 void dcache_enable (void); 368 void dcache_disable(void); 369 void relocate_code (ulong, gd_t *, ulong); 370 ulong get_endaddr (void); 371 void trap_init (ulong); 372 #if defined (CONFIG_4xx) || \ 373 defined (CONFIG_MPC5xxx) || \ 374 defined (CONFIG_74xx_7xx) || \ 375 defined (CONFIG_74x) || \ 376 defined (CONFIG_75x) || \ 377 defined (CONFIG_74xx) || \ 378 defined (CONFIG_MPC8220) || \ 379 defined (CONFIG_MPC85xx) || \ 380 defined (CONFIG_MPC83XX) 381 unsigned char in8(unsigned int); 382 void out8(unsigned int, unsigned char); 383 unsigned short in16(unsigned int); 384 unsigned short in16r(unsigned int); 385 void out16(unsigned int, unsigned short value); 386 void out16r(unsigned int, unsigned short value); 387 unsigned long in32(unsigned int); 388 unsigned long in32r(unsigned int); 389 void out32(unsigned int, unsigned long value); 390 void out32r(unsigned int, unsigned long value); 391 void ppcDcbf(unsigned long value); 392 void ppcDcbi(unsigned long value); 393 void ppcSync(void); 394 void ppcDcbz(unsigned long value); 395 #endif 396 397 /* $(CPU)/cpu.c */ 398 int checkcpu (void); 399 int checkicache (void); 400 int checkdcache (void); 401 void upmconfig (unsigned int, unsigned int *, unsigned int); 402 ulong get_tbclk (void); 403 void reset_cpu (ulong addr); 404 405 /* $(CPU)/serial.c */ 406 int serial_init (void); 407 void serial_addr (unsigned int); 408 void serial_setbrg (void); 409 void serial_putc (const char); 410 void serial_putc_raw(const char); 411 void serial_puts (const char *); 412 int serial_getc (void); 413 int serial_tstc (void); 414 415 void _serial_setbrg (const int); 416 void _serial_putc (const char, const int); 417 void _serial_putc_raw(const char, const int); 418 void _serial_puts (const char *, const int); 419 int _serial_getc (const int); 420 int _serial_tstc (const int); 421 422 /* $(CPU)/speed.c */ 423 int get_clocks (void); 424 int get_clocks_866 (void); 425 int sdram_adjust_866 (void); 426 int adjust_sdram_tbs_8xx (void); 427 #if defined(CONFIG_8260) 428 int prt_8260_clks (void); 429 #elif defined(CONFIG_MPC83XX) 430 int print_clock_conf(void); 431 #elif defined(CONFIG_MPC5xxx) 432 int prt_mpc5xxx_clks (void); 433 #endif 434 #if defined(CONFIG_MPC8220) 435 int prt_mpc8220_clks (void); 436 #endif 437 #ifdef CONFIG_4xx 438 ulong get_OPB_freq (void); 439 ulong get_PCI_freq (void); 440 #endif 441 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 442 ulong get_FCLK (void); 443 ulong get_HCLK (void); 444 ulong get_PCLK (void); 445 ulong get_UCLK (void); 446 #endif 447 #if defined(CONFIG_LH7A40X) 448 ulong get_PLLCLK (void); 449 #endif 450 #if defined CONFIG_INCA_IP 451 uint incaip_get_cpuclk (void); 452 #endif 453 #if defined(CONFIG_IMX) 454 ulong get_systemPLLCLK(void); 455 ulong get_FCLK(void); 456 ulong get_HCLK(void); 457 ulong get_BCLK(void); 458 ulong get_PERCLK1(void); 459 ulong get_PERCLK2(void); 460 ulong get_PERCLK3(void); 461 #endif 462 ulong get_bus_freq (ulong); 463 464 #if defined(CONFIG_MPC85xx) 465 typedef MPC85xx_SYS_INFO sys_info_t; 466 void get_sys_info ( sys_info_t * ); 467 #endif 468 469 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 470 # if defined(CONFIG_440) 471 typedef PPC440_SYS_INFO sys_info_t; 472 # if defined(CONFIG_440SPE) 473 unsigned long determine_sysper(void); 474 unsigned long determine_pci_clock_per(void); 475 int ppc440spe_revB(void); 476 # endif 477 # else 478 typedef PPC405_SYS_INFO sys_info_t; 479 # endif 480 void get_sys_info ( sys_info_t * ); 481 #endif 482 483 /* $(CPU)/cpu_init.c */ 484 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 485 void cpu_init_f (volatile immap_t *immr); 486 #endif 487 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) 488 void cpu_init_f (void); 489 #endif 490 491 int cpu_init_r (void); 492 #if defined(CONFIG_8260) 493 int prt_8260_rsr (void); 494 #endif 495 496 /* $(CPU)/interrupts.c */ 497 int interrupt_init (void); 498 void timer_interrupt (struct pt_regs *); 499 void external_interrupt (struct pt_regs *); 500 void irq_install_handler(int, interrupt_handler_t *, void *); 501 void irq_free_handler (int); 502 void reset_timer (void); 503 ulong get_timer (ulong base); 504 void set_timer (ulong t); 505 void enable_interrupts (void); 506 int disable_interrupts (void); 507 508 /* $(CPU)/.../commproc.c */ 509 int dpram_init (void); 510 uint dpram_base(void); 511 uint dpram_base_align(uint align); 512 uint dpram_alloc(uint size); 513 uint dpram_alloc_align(uint size,uint align); 514 void post_word_store (ulong); 515 ulong post_word_load (void); 516 void bootcount_store (ulong); 517 ulong bootcount_load (void); 518 #define BOOTCOUNT_MAGIC 0xB001C041 519 520 /* $(CPU)/.../<eth> */ 521 void mii_init (void); 522 523 /* $(CPU)/.../lcd.c */ 524 ulong lcd_setmem (ulong); 525 526 /* $(CPU)/.../vfd.c */ 527 ulong vfd_setmem (ulong); 528 529 /* $(CPU)/.../video.c */ 530 ulong video_setmem (ulong); 531 532 /* lib_$(ARCH)/cache.c */ 533 void flush_cache (unsigned long, unsigned long); 534 535 536 /* lib_$(ARCH)/ticks.S */ 537 unsigned long long get_ticks(void); 538 void wait_ticks (unsigned long); 539 540 /* lib_$(ARCH)/time.c */ 541 void udelay (unsigned long); 542 ulong usec2ticks (unsigned long usec); 543 ulong ticks2usec (unsigned long ticks); 544 int init_timebase (void); 545 546 /* lib_generic/vsprintf.c */ 547 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 548 #ifdef CFG_64BIT_VSPRINTF 549 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 550 #endif 551 long simple_strtol(const char *cp,char **endp,unsigned int base); 552 void panic(const char *fmt, ...); 553 int sprintf(char * buf, const char *fmt, ...); 554 int vsprintf(char *buf, const char *fmt, va_list args); 555 556 /* lib_generic/crc32.c */ 557 ulong crc32 (ulong, const unsigned char *, uint); 558 ulong crc32_no_comp (ulong, const unsigned char *, uint); 559 560 /* common/console.c */ 561 int console_init_f(void); /* Before relocation; uses the serial stuff */ 562 int console_init_r(void); /* After relocation; uses the console stuff */ 563 int console_assign (int file, char *devname); /* Assign the console */ 564 int ctrlc (void); 565 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 566 void clear_ctrlc (void); /* clear the Control-C condition */ 567 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 568 569 /* 570 * STDIO based functions (can always be used) 571 */ 572 573 /* serial stuff */ 574 void serial_printf (const char *fmt, ...); 575 576 /* stdin */ 577 int getc(void); 578 int tstc(void); 579 580 /* stdout */ 581 void putc(const char c); 582 void puts(const char *s); 583 void printf(const char *fmt, ...); 584 void vprintf(const char *fmt, va_list args); 585 586 /* stderr */ 587 #define eputc(c) fputc(stderr, c) 588 #define eputs(s) fputs(stderr, s) 589 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 590 591 /* 592 * FILE based functions (can only be used AFTER relocation!) 593 */ 594 595 #define stdin 0 596 #define stdout 1 597 #define stderr 2 598 #define MAX_FILES 3 599 600 void fprintf(int file, const char *fmt, ...); 601 void fputs(int file, const char *s); 602 void fputc(int file, const char c); 603 int ftstc(int file); 604 int fgetc(int file); 605 606 int pcmcia_init (void); 607 608 #ifdef CONFIG_SHOW_BOOT_PROGRESS 609 void show_boot_progress (int status); 610 #endif 611 612 #ifdef CONFIG_INIT_CRITICAL 613 #error CONFIG_INIT_CRITICAL is deprecated! 614 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 615 #endif 616 617 #endif /* __COMMON_H_ */ 618