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