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