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