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 typedef void (interrupt_handler_t)(void *); 117 118 #include <asm/u-boot.h> /* boot information for Linux kernel */ 119 #include <asm/global_data.h> /* global data used for startup functions */ 120 121 /* 122 * enable common handling for all TQM8xxL/M boards: 123 * - CONFIG_TQM8xxM will be defined for all TQM8xxM and TQM885D boards 124 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 125 */ 126 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 127 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 128 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) || \ 129 defined(CONFIG_TQM885D) 130 # ifndef CONFIG_TQM8xxM 131 # define CONFIG_TQM8xxM 132 # endif 133 #endif 134 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 135 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 136 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 137 # ifndef CONFIG_TQM8xxL 138 # define CONFIG_TQM8xxL 139 # endif 140 #endif 141 142 #ifndef CONFIG_SERIAL_MULTI 143 144 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 145 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 146 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 147 148 #define CONFIG_SERIAL_MULTI 1 149 150 #endif 151 152 #endif /* CONFIG_SERIAL_MULTI */ 153 154 /* 155 * General Purpose Utilities 156 */ 157 #define min(X, Y) \ 158 ({ typeof (X) __x = (X), __y = (Y); \ 159 (__x < __y) ? __x : __y; }) 160 161 #define max(X, Y) \ 162 ({ typeof (X) __x = (X), __y = (Y); \ 163 (__x > __y) ? __x : __y; }) 164 165 166 /* 167 * Function Prototypes 168 */ 169 170 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 171 void serial_buffered_init (void); 172 void serial_buffered_putc (const char); 173 void serial_buffered_puts (const char *); 174 int serial_buffered_getc (void); 175 int serial_buffered_tstc (void); 176 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 177 178 void hang (void) __attribute__ ((noreturn)); 179 180 /* */ 181 long int initdram (int); 182 int display_options (void); 183 void print_size (ulong, const char *); 184 185 /* common/main.c */ 186 void main_loop (void); 187 int run_command (const char *cmd, int flag); 188 int readline (const char *const prompt); 189 void init_cmd_timeout(void); 190 void reset_cmd_timeout(void); 191 192 /* lib_$(ARCH)/board.c */ 193 void board_init_f (ulong); 194 void board_init_r (gd_t *, ulong); 195 int checkboard (void); 196 int checkflash (void); 197 int checkdram (void); 198 char * strmhz(char *buf, long hz); 199 int last_stage_init(void); 200 extern ulong monitor_flash_len; 201 #ifdef CFG_ID_EEPROM 202 int mac_read_from_eeprom(void); 203 #endif 204 205 /* common/flash.c */ 206 void flash_perror (int); 207 208 /* common/cmd_autoscript.c */ 209 int autoscript (ulong addr); 210 211 /* common/cmd_bootm.c */ 212 void print_image_hdr (image_header_t *hdr); 213 214 extern ulong load_addr; /* Default Load Address */ 215 216 /* common/cmd_nvedit.c */ 217 int env_init (void); 218 void env_relocate (void); 219 char *getenv (char *); 220 int getenv_r (char *name, char *buf, unsigned len); 221 int saveenv (void); 222 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 223 void inline setenv (char *, char *); 224 #else 225 void setenv (char *, char *); 226 #endif /* CONFIG_PPC */ 227 #ifdef CONFIG_ARM 228 # include <asm/mach-types.h> 229 # include <asm/setup.h> 230 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 231 #endif /* CONFIG_ARM */ 232 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 233 # include <asm/u-boot-i386.h> 234 #endif /* CONFIG_I386 */ 235 236 #ifdef CONFIG_AUTO_COMPLETE 237 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 238 #endif 239 240 void pci_init (void); 241 void pci_init_board(void); 242 void pciinfo (int, int); 243 244 #if defined(CONFIG_PCI) && defined(CONFIG_440) 245 # if defined(CFG_PCI_PRE_INIT) 246 int pci_pre_init (struct pci_controller * ); 247 # endif 248 # if defined(CFG_PCI_TARGET_INIT) 249 void pci_target_init (struct pci_controller *); 250 # endif 251 # if defined(CFG_PCI_MASTER_INIT) 252 void pci_master_init (struct pci_controller *); 253 # endif 254 int is_pci_host (struct pci_controller *); 255 #endif 256 257 int misc_init_f (void); 258 int misc_init_r (void); 259 260 /* common/exports.c */ 261 void jumptable_init(void); 262 263 /* common/memsize.c */ 264 int get_ram_size (volatile long *, long); 265 266 /* $(BOARD)/$(BOARD).c */ 267 void reset_phy (void); 268 void fdc_hw_init (void); 269 270 /* $(BOARD)/eeprom.c */ 271 void eeprom_init (void); 272 #ifndef CONFIG_SPI 273 int eeprom_probe (unsigned dev_addr, unsigned offset); 274 #endif 275 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 276 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 277 #ifdef CONFIG_LWMON 278 extern uchar pic_read (uchar reg); 279 extern void pic_write (uchar reg, uchar val); 280 #endif 281 282 /* 283 * Set this up regardless of board 284 * type, to prevent errors. 285 */ 286 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 287 # define CFG_DEF_EEPROM_ADDR 0 288 #else 289 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 290 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 291 292 #if defined(CONFIG_SPI) 293 extern void spi_init_f (void); 294 extern void spi_init_r (void); 295 extern ssize_t spi_read (uchar *, int, uchar *, int); 296 extern ssize_t spi_write (uchar *, int, uchar *, int); 297 #endif 298 299 #ifdef CONFIG_RPXCLASSIC 300 void rpxclassic_init (void); 301 #endif 302 303 void rpxlite_init (void); 304 305 #ifdef CONFIG_MBX 306 /* $(BOARD)/mbx8xx.c */ 307 void mbx_init (void); 308 void board_serial_init (void); 309 void board_ether_init (void); 310 #endif 311 312 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 313 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 314 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) 315 void board_get_enetaddr (uchar *addr); 316 #endif 317 318 #ifdef CONFIG_HERMES 319 /* $(BOARD)/hermes.c */ 320 void hermes_start_lxt980 (int speed); 321 #endif 322 323 #ifdef CONFIG_EVB64260 324 void evb64260_init(void); 325 void debug_led(int, int); 326 void display_mem_map(void); 327 void perform_soft_reset(void); 328 #endif 329 330 void load_sernum_ethaddr (void); 331 332 /* $(BOARD)/$(BOARD).c */ 333 int board_early_init_f (void); 334 int board_late_init (void); 335 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 336 int board_early_init_r (void); 337 void board_poweroff (void); 338 339 #if defined(CFG_DRAM_TEST) 340 int testdram(void); 341 #endif /* CFG_DRAM_TEST */ 342 343 /* $(CPU)/start.S */ 344 #if defined(CONFIG_5xx) || \ 345 defined(CONFIG_8xx) 346 uint get_immr (uint); 347 #endif 348 uint get_pir (void); 349 #if defined(CONFIG_MPC5xxx) 350 uint get_svr (void); 351 #endif 352 uint get_pvr (void); 353 uint get_svr (void); 354 uint rd_ic_cst (void); 355 void wr_ic_cst (uint); 356 void wr_ic_adr (uint); 357 uint rd_dc_cst (void); 358 void wr_dc_cst (uint); 359 void wr_dc_adr (uint); 360 int icache_status (void); 361 void icache_enable (void); 362 void icache_disable(void); 363 int dcache_status (void); 364 void dcache_enable (void); 365 void dcache_disable(void); 366 void relocate_code (ulong, gd_t *, ulong); 367 ulong get_endaddr (void); 368 void trap_init (ulong); 369 #if defined (CONFIG_4xx) || \ 370 defined (CONFIG_MPC5xxx) || \ 371 defined (CONFIG_74xx_7xx) || \ 372 defined (CONFIG_74x) || \ 373 defined (CONFIG_75x) || \ 374 defined (CONFIG_74xx) || \ 375 defined (CONFIG_MPC8220) || \ 376 defined (CONFIG_MPC85xx) || \ 377 defined (CONFIG_MPC86xx) || \ 378 defined (CONFIG_MPC83XX) 379 unsigned char in8(unsigned int); 380 void out8(unsigned int, unsigned char); 381 unsigned short in16(unsigned int); 382 unsigned short in16r(unsigned int); 383 void out16(unsigned int, unsigned short value); 384 void out16r(unsigned int, unsigned short value); 385 unsigned long in32(unsigned int); 386 unsigned long in32r(unsigned int); 387 void out32(unsigned int, unsigned long value); 388 void out32r(unsigned int, unsigned long value); 389 void ppcDcbf(unsigned long value); 390 void ppcDcbi(unsigned long value); 391 void ppcSync(void); 392 void ppcDcbz(unsigned long value); 393 #endif 394 395 /* $(CPU)/cpu.c */ 396 int checkcpu (void); 397 int checkicache (void); 398 int checkdcache (void); 399 void upmconfig (unsigned int, unsigned int *, unsigned int); 400 ulong get_tbclk (void); 401 void reset_cpu (ulong addr); 402 403 /* $(CPU)/serial.c */ 404 int serial_init (void); 405 void serial_addr (unsigned int); 406 void serial_setbrg (void); 407 void serial_putc (const char); 408 void serial_putc_raw(const char); 409 void serial_puts (const char *); 410 int serial_getc (void); 411 int serial_tstc (void); 412 413 void _serial_setbrg (const int); 414 void _serial_putc (const char, const int); 415 void _serial_putc_raw(const char, const int); 416 void _serial_puts (const char *, const int); 417 int _serial_getc (const int); 418 int _serial_tstc (const int); 419 420 /* $(CPU)/speed.c */ 421 int get_clocks (void); 422 int get_clocks_866 (void); 423 int sdram_adjust_866 (void); 424 int adjust_sdram_tbs_8xx (void); 425 #if defined(CONFIG_8260) 426 int prt_8260_clks (void); 427 #elif defined(CONFIG_MPC83XX) 428 int print_clock_conf(void); 429 #elif defined(CONFIG_MPC5xxx) 430 int prt_mpc5xxx_clks (void); 431 #endif 432 #if defined(CONFIG_MPC8220) 433 int prt_mpc8220_clks (void); 434 #endif 435 #ifdef CONFIG_4xx 436 ulong get_OPB_freq (void); 437 ulong get_PCI_freq (void); 438 #endif 439 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 440 ulong get_FCLK (void); 441 ulong get_HCLK (void); 442 ulong get_PCLK (void); 443 ulong get_UCLK (void); 444 #endif 445 #if defined(CONFIG_LH7A40X) 446 ulong get_PLLCLK (void); 447 #endif 448 #if defined CONFIG_INCA_IP 449 uint incaip_get_cpuclk (void); 450 #endif 451 #if defined(CONFIG_IMX) 452 ulong get_systemPLLCLK(void); 453 ulong get_FCLK(void); 454 ulong get_HCLK(void); 455 ulong get_BCLK(void); 456 ulong get_PERCLK1(void); 457 ulong get_PERCLK2(void); 458 ulong get_PERCLK3(void); 459 #endif 460 ulong get_bus_freq (ulong); 461 462 #if defined(CONFIG_MPC85xx) 463 typedef MPC85xx_SYS_INFO sys_info_t; 464 void get_sys_info ( sys_info_t * ); 465 #endif 466 #if defined(CONFIG_MPC86xx) 467 typedef MPC86xx_SYS_INFO sys_info_t; 468 void get_sys_info ( sys_info_t * ); 469 #endif 470 471 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 472 # if defined(CONFIG_440) 473 typedef PPC440_SYS_INFO sys_info_t; 474 # if defined(CONFIG_440SPE) 475 unsigned long determine_sysper(void); 476 unsigned long determine_pci_clock_per(void); 477 # endif 478 # else 479 typedef PPC405_SYS_INFO sys_info_t; 480 # endif 481 void get_sys_info ( sys_info_t * ); 482 #endif 483 484 /* $(CPU)/cpu_init.c */ 485 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 486 void cpu_init_f (volatile immap_t *immr); 487 #endif 488 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 489 void cpu_init_f (void); 490 #endif 491 492 int cpu_init_r (void); 493 #if defined(CONFIG_8260) 494 int prt_8260_rsr (void); 495 #endif 496 497 /* $(CPU)/interrupts.c */ 498 int interrupt_init (void); 499 void timer_interrupt (struct pt_regs *); 500 void external_interrupt (struct pt_regs *); 501 void irq_install_handler(int, interrupt_handler_t *, void *); 502 void irq_free_handler (int); 503 void reset_timer (void); 504 ulong get_timer (ulong base); 505 void set_timer (ulong t); 506 void enable_interrupts (void); 507 int disable_interrupts (void); 508 509 /* $(CPU)/.../commproc.c */ 510 int dpram_init (void); 511 uint dpram_base(void); 512 uint dpram_base_align(uint align); 513 uint dpram_alloc(uint size); 514 uint dpram_alloc_align(uint size,uint align); 515 void post_word_store (ulong); 516 ulong post_word_load (void); 517 void bootcount_store (ulong); 518 ulong bootcount_load (void); 519 #define BOOTCOUNT_MAGIC 0xB001C041 520 521 /* $(CPU)/.../<eth> */ 522 void mii_init (void); 523 524 /* $(CPU)/.../lcd.c */ 525 ulong lcd_setmem (ulong); 526 527 /* $(CPU)/.../vfd.c */ 528 ulong vfd_setmem (ulong); 529 530 /* $(CPU)/.../video.c */ 531 ulong video_setmem (ulong); 532 533 /* lib_$(ARCH)/cache.c */ 534 void flush_cache (unsigned long, unsigned long); 535 536 537 /* lib_$(ARCH)/ticks.S */ 538 unsigned long long get_ticks(void); 539 void wait_ticks (unsigned long); 540 541 /* lib_$(ARCH)/time.c */ 542 void udelay (unsigned long); 543 ulong usec2ticks (unsigned long usec); 544 ulong ticks2usec (unsigned long ticks); 545 int init_timebase (void); 546 547 /* lib_generic/vsprintf.c */ 548 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 549 #ifdef CFG_64BIT_VSPRINTF 550 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 551 #endif 552 long simple_strtol(const char *cp,char **endp,unsigned int base); 553 void panic(const char *fmt, ...); 554 int sprintf(char * buf, const char *fmt, ...); 555 int vsprintf(char *buf, const char *fmt, va_list args); 556 557 /* lib_generic/crc32.c */ 558 ulong crc32 (ulong, const unsigned char *, uint); 559 ulong crc32_no_comp (ulong, const unsigned char *, uint); 560 561 /* common/console.c */ 562 int console_init_f(void); /* Before relocation; uses the serial stuff */ 563 int console_init_r(void); /* After relocation; uses the console stuff */ 564 int console_assign (int file, char *devname); /* Assign the console */ 565 int ctrlc (void); 566 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 567 void clear_ctrlc (void); /* clear the Control-C condition */ 568 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 569 570 /* 571 * STDIO based functions (can always be used) 572 */ 573 574 /* serial stuff */ 575 void serial_printf (const char *fmt, ...); 576 577 /* stdin */ 578 int getc(void); 579 int tstc(void); 580 581 /* stdout */ 582 void putc(const char c); 583 void puts(const char *s); 584 void printf(const char *fmt, ...); 585 void vprintf(const char *fmt, va_list args); 586 587 /* stderr */ 588 #define eputc(c) fputc(stderr, c) 589 #define eputs(s) fputs(stderr, s) 590 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 591 592 /* 593 * FILE based functions (can only be used AFTER relocation!) 594 */ 595 596 #define stdin 0 597 #define stdout 1 598 #define stderr 2 599 #define MAX_FILES 3 600 601 void fprintf(int file, const char *fmt, ...); 602 void fputs(int file, const char *s); 603 void fputc(int file, const char c); 604 int ftstc(int file); 605 int fgetc(int file); 606 607 int pcmcia_init (void); 608 609 #ifdef CONFIG_SHOW_BOOT_PROGRESS 610 void show_boot_progress (int status); 611 #endif 612 613 #ifdef CONFIG_INIT_CRITICAL 614 #error CONFIG_INIT_CRITICAL is depracted! 615 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 616 #endif 617 618 #endif /* __COMMON_H_ */ 619