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_4xx 87 #include <ppc4xx.h> 88 #endif 89 #ifdef CONFIG_HYMOD 90 #include <board/hymod/hymod.h> 91 #endif 92 #ifdef CONFIG_ARM 93 #define asmlinkage /* nothing */ 94 #endif 95 96 #include <part.h> 97 #include <flash.h> 98 #include <image.h> 99 100 #ifdef DEBUG 101 #define debug(fmt,args...) printf (fmt ,##args) 102 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 103 #else 104 #define debug(fmt,args...) 105 #define debugX(level,fmt,args...) 106 #endif /* DEBUG */ 107 108 typedef void (interrupt_handler_t)(void *); 109 110 #include <asm/u-boot.h> /* boot information for Linux kernel */ 111 #include <asm/global_data.h> /* global data used for startup functions */ 112 113 /* 114 * enable common handling for all TQM8xxL/M boards: 115 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 116 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 117 */ 118 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 119 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 120 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 121 # ifndef CONFIG_TQM8xxM 122 # define CONFIG_TQM8xxM 123 # endif 124 #endif 125 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 126 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 127 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 128 # ifndef CONFIG_TQM8xxL 129 # define CONFIG_TQM8xxL 130 # endif 131 #endif 132 133 #ifndef CONFIG_SERIAL_MULTI 134 135 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 136 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 137 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 138 139 #define CONFIG_SERIAL_MULTI 1 140 141 #endif 142 143 #endif /* CONFIG_SERIAL_MULTI */ 144 145 /* 146 * General Purpose Utilities 147 */ 148 #define min(X, Y) \ 149 ({ typeof (X) __x = (X), __y = (Y); \ 150 (__x < __y) ? __x : __y; }) 151 152 #define max(X, Y) \ 153 ({ typeof (X) __x = (X), __y = (Y); \ 154 (__x > __y) ? __x : __y; }) 155 156 157 /* 158 * Function Prototypes 159 */ 160 161 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 162 void serial_buffered_init (void); 163 void serial_buffered_putc (const char); 164 void serial_buffered_puts (const char *); 165 int serial_buffered_getc (void); 166 int serial_buffered_tstc (void); 167 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 168 169 void hang (void) __attribute__ ((noreturn)); 170 171 /* */ 172 long int initdram (int); 173 int display_options (void); 174 void print_size (ulong, const char *); 175 176 /* common/main.c */ 177 void main_loop (void); 178 int run_command (const char *cmd, int flag); 179 int readline (const char *const prompt); 180 void init_cmd_timeout(void); 181 void reset_cmd_timeout(void); 182 183 /* lib_$(ARCH)/board.c */ 184 void board_init_f (ulong); 185 void board_init_r (gd_t *, ulong); 186 int checkboard (void); 187 int checkflash (void); 188 int checkdram (void); 189 char * strmhz(char *buf, long hz); 190 int last_stage_init(void); 191 extern ulong monitor_flash_len; 192 193 /* common/flash.c */ 194 void flash_perror (int); 195 196 /* common/cmd_autoscript.c */ 197 int autoscript (ulong addr); 198 199 /* common/cmd_bootm.c */ 200 void print_image_hdr (image_header_t *hdr); 201 202 extern ulong load_addr; /* Default Load Address */ 203 204 /* common/cmd_nvedit.c */ 205 int env_init (void); 206 void env_relocate (void); 207 char *getenv (uchar *); 208 int getenv_r (uchar *name, uchar *buf, unsigned len); 209 int saveenv (void); 210 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 211 void inline setenv (char *, char *); 212 #else 213 void setenv (char *, char *); 214 #endif /* CONFIG_PPC */ 215 #ifdef CONFIG_ARM 216 # include <asm/mach-types.h> 217 # include <asm/setup.h> 218 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 219 #endif /* CONFIG_ARM */ 220 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 221 # include <asm/u-boot-i386.h> 222 #endif /* CONFIG_I386 */ 223 224 #ifdef CONFIG_AUTO_COMPLETE 225 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 226 #endif 227 228 void pci_init (void); 229 void pci_init_board(void); 230 void pciinfo (int, int); 231 232 #if defined(CONFIG_PCI) && defined(CONFIG_440) 233 # if defined(CFG_PCI_PRE_INIT) 234 int pci_pre_init (struct pci_controller * ); 235 # endif 236 # if defined(CFG_PCI_TARGET_INIT) 237 void pci_target_init (struct pci_controller *); 238 # endif 239 # if defined(CFG_PCI_MASTER_INIT) 240 void pci_master_init (struct pci_controller *); 241 # endif 242 int is_pci_host (struct pci_controller *); 243 #endif 244 245 int misc_init_f (void); 246 int misc_init_r (void); 247 248 /* common/exports.c */ 249 void jumptable_init(void); 250 251 /* common/memsize.c */ 252 int get_ram_size (volatile long *, long); 253 254 /* $(BOARD)/$(BOARD).c */ 255 void reset_phy (void); 256 void fdc_hw_init (void); 257 258 /* $(BOARD)/eeprom.c */ 259 void eeprom_init (void); 260 #ifndef CONFIG_SPI 261 int eeprom_probe (unsigned dev_addr, unsigned offset); 262 #endif 263 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 264 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 265 #ifdef CONFIG_LWMON 266 extern uchar pic_read (uchar reg); 267 extern void pic_write (uchar reg, uchar val); 268 #endif 269 270 /* 271 * Set this up regardless of board 272 * type, to prevent errors. 273 */ 274 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 275 # define CFG_DEF_EEPROM_ADDR 0 276 #else 277 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 278 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 279 280 #if defined(CONFIG_SPI) 281 extern void spi_init_f (void); 282 extern void spi_init_r (void); 283 extern ssize_t spi_read (uchar *, int, uchar *, int); 284 extern ssize_t spi_write (uchar *, int, uchar *, int); 285 #endif 286 287 #ifdef CONFIG_RPXCLASSIC 288 void rpxclassic_init (void); 289 #endif 290 291 void rpxlite_init (void); 292 293 #ifdef CONFIG_MBX 294 /* $(BOARD)/mbx8xx.c */ 295 void mbx_init (void); 296 void board_serial_init (void); 297 void board_ether_init (void); 298 #endif 299 300 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 301 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) 302 void board_get_enetaddr (uchar *addr); 303 #endif 304 305 #ifdef CONFIG_HERMES 306 /* $(BOARD)/hermes.c */ 307 void hermes_start_lxt980 (int speed); 308 #endif 309 310 #ifdef CONFIG_EVB64260 311 void evb64260_init(void); 312 void debug_led(int, int); 313 void display_mem_map(void); 314 void perform_soft_reset(void); 315 #endif 316 317 void load_sernum_ethaddr (void); 318 319 /* $(BOARD)/$(BOARD).c */ 320 int board_early_init_f (void); 321 int board_late_init (void); 322 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 323 int board_early_init_r (void); 324 void board_poweroff (void); 325 326 #if defined(CFG_DRAM_TEST) 327 int testdram(void); 328 #endif /* CFG_DRAM_TEST */ 329 330 /* $(CPU)/start.S */ 331 #if defined(CONFIG_5xx) || \ 332 defined(CONFIG_8xx) 333 uint get_immr (uint); 334 #endif 335 uint get_pir (void); 336 #if defined(CONFIG_MPC5xxx) 337 uint get_svr (void); 338 #endif 339 uint get_pvr (void); 340 uint get_svr (void); 341 uint rd_ic_cst (void); 342 void wr_ic_cst (uint); 343 void wr_ic_adr (uint); 344 uint rd_dc_cst (void); 345 void wr_dc_cst (uint); 346 void wr_dc_adr (uint); 347 int icache_status (void); 348 void icache_enable (void); 349 void icache_disable(void); 350 int dcache_status (void); 351 void dcache_enable (void); 352 void dcache_disable(void); 353 void relocate_code (ulong, gd_t *, ulong); 354 ulong get_endaddr (void); 355 void trap_init (ulong); 356 #if defined (CONFIG_4xx) || \ 357 defined (CONFIG_MPC5xxx) || \ 358 defined (CONFIG_74xx_7xx) || \ 359 defined (CONFIG_74x) || \ 360 defined (CONFIG_75x) || \ 361 defined (CONFIG_74xx) || \ 362 defined (CONFIG_MPC8220) || \ 363 defined(CONFIG_MPC85xx) 364 unsigned char in8(unsigned int); 365 void out8(unsigned int, unsigned char); 366 unsigned short in16(unsigned int); 367 unsigned short in16r(unsigned int); 368 void out16(unsigned int, unsigned short value); 369 void out16r(unsigned int, unsigned short value); 370 unsigned long in32(unsigned int); 371 unsigned long in32r(unsigned int); 372 void out32(unsigned int, unsigned long value); 373 void out32r(unsigned int, unsigned long value); 374 void ppcDcbf(unsigned long value); 375 void ppcDcbi(unsigned long value); 376 void ppcSync(void); 377 void ppcDcbz(unsigned long value); 378 #endif 379 380 /* $(CPU)/cpu.c */ 381 int checkcpu (void); 382 int checkicache (void); 383 int checkdcache (void); 384 void upmconfig (unsigned int, unsigned int *, unsigned int); 385 ulong get_tbclk (void); 386 387 /* $(CPU)/serial.c */ 388 int serial_init (void); 389 void serial_addr (unsigned int); 390 void serial_setbrg (void); 391 void serial_putc (const char); 392 void serial_putc_raw(const char); 393 void serial_puts (const char *); 394 int serial_getc (void); 395 int serial_tstc (void); 396 397 void _serial_setbrg (const int); 398 void _serial_putc (const char, const int); 399 void _serial_putc_raw(const char, const int); 400 void _serial_puts (const char *, const int); 401 int _serial_getc (const int); 402 int _serial_tstc (const int); 403 404 /* $(CPU)/speed.c */ 405 int get_clocks (void); 406 int get_clocks_866 (void); 407 int sdram_adjust_866 (void); 408 int adjust_sdram_tbs_8xx (void); 409 #if defined(CONFIG_8260) 410 int prt_8260_clks (void); 411 #endif 412 #if defined(CONFIG_MPC5xxx) 413 int prt_mpc5xxx_clks (void); 414 #endif 415 #if defined(CONFIG_MPC8220) 416 int prt_mpc8220_clks (void); 417 #endif 418 #ifdef CONFIG_4xx 419 ulong get_OPB_freq (void); 420 ulong get_PCI_freq (void); 421 #endif 422 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 423 ulong get_FCLK (void); 424 ulong get_HCLK (void); 425 ulong get_PCLK (void); 426 ulong get_UCLK (void); 427 #endif 428 #if defined(CONFIG_LH7A40X) 429 ulong get_PLLCLK (void); 430 #endif 431 #if defined CONFIG_INCA_IP 432 uint incaip_get_cpuclk (void); 433 #endif 434 #if defined(CONFIG_IMX) 435 ulong get_systemPLLCLK(void); 436 ulong get_FCLK(void); 437 ulong get_HCLK(void); 438 ulong get_BCLK(void); 439 ulong get_PERCLK1(void); 440 ulong get_PERCLK2(void); 441 ulong get_PERCLK3(void); 442 #endif 443 ulong get_bus_freq (ulong); 444 445 #if defined(CONFIG_MPC85xx) 446 typedef MPC85xx_SYS_INFO sys_info_t; 447 void get_sys_info ( sys_info_t * ); 448 #endif 449 450 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 451 # if defined(CONFIG_440) 452 typedef PPC440_SYS_INFO sys_info_t; 453 # else 454 typedef PPC405_SYS_INFO sys_info_t; 455 # endif 456 void get_sys_info ( sys_info_t * ); 457 #endif 458 459 /* $(CPU)/cpu_init.c */ 460 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 461 void cpu_init_f (volatile immap_t *immr); 462 #endif 463 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) 464 void cpu_init_f (void); 465 #endif 466 467 int cpu_init_r (void); 468 #if defined(CONFIG_8260) 469 int prt_8260_rsr (void); 470 #endif 471 472 /* $(CPU)/interrupts.c */ 473 int interrupt_init (void); 474 void timer_interrupt (struct pt_regs *); 475 void external_interrupt (struct pt_regs *); 476 void irq_install_handler(int, interrupt_handler_t *, void *); 477 void irq_free_handler (int); 478 void reset_timer (void); 479 ulong get_timer (ulong base); 480 void set_timer (ulong t); 481 void enable_interrupts (void); 482 int disable_interrupts (void); 483 484 /* $(CPU)/.../commproc.c */ 485 int dpram_init (void); 486 uint dpram_base(void); 487 uint dpram_base_align(uint align); 488 uint dpram_alloc(uint size); 489 uint dpram_alloc_align(uint size,uint align); 490 void post_word_store (ulong); 491 ulong post_word_load (void); 492 void bootcount_store (ulong); 493 ulong bootcount_load (void); 494 #define BOOTCOUNT_MAGIC 0xB001C041 495 496 /* $(CPU)/.../<eth> */ 497 void mii_init (void); 498 499 /* $(CPU)/.../lcd.c */ 500 ulong lcd_setmem (ulong); 501 502 /* $(CPU)/.../vfd.c */ 503 ulong vfd_setmem (ulong); 504 505 /* $(CPU)/.../video.c */ 506 ulong video_setmem (ulong); 507 508 /* lib_$(ARCH)/cache.c */ 509 void flush_cache (unsigned long, unsigned long); 510 511 512 /* lib_$(ARCH)/ticks.S */ 513 unsigned long long get_ticks(void); 514 void wait_ticks (unsigned long); 515 516 /* lib_$(ARCH)/time.c */ 517 void udelay (unsigned long); 518 ulong usec2ticks (unsigned long usec); 519 ulong ticks2usec (unsigned long ticks); 520 int init_timebase (void); 521 522 /* lib_generic/vsprintf.c */ 523 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 524 #ifdef CFG_64BIT_VSPRINTF 525 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 526 #endif 527 long simple_strtol(const char *cp,char **endp,unsigned int base); 528 void panic(const char *fmt, ...); 529 int sprintf(char * buf, const char *fmt, ...); 530 int vsprintf(char *buf, const char *fmt, va_list args); 531 532 /* lib_generic/crc32.c */ 533 ulong crc32 (ulong, const unsigned char *, uint); 534 ulong crc32_no_comp (ulong, const unsigned char *, uint); 535 536 /* common/console.c */ 537 int console_init_f(void); /* Before relocation; uses the serial stuff */ 538 int console_init_r(void); /* After relocation; uses the console stuff */ 539 int console_assign (int file, char *devname); /* Assign the console */ 540 int ctrlc (void); 541 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 542 void clear_ctrlc (void); /* clear the Control-C condition */ 543 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 544 545 /* 546 * STDIO based functions (can always be used) 547 */ 548 549 /* serial stuff */ 550 void serial_printf (const char *fmt, ...); 551 552 /* stdin */ 553 int getc(void); 554 int tstc(void); 555 556 /* stdout */ 557 void putc(const char c); 558 void puts(const char *s); 559 void printf(const char *fmt, ...); 560 void vprintf(const char *fmt, va_list args); 561 562 /* stderr */ 563 #define eputc(c) fputc(stderr, c) 564 #define eputs(s) fputs(stderr, s) 565 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 566 567 /* 568 * FILE based functions (can only be used AFTER relocation!) 569 */ 570 571 #define stdin 0 572 #define stdout 1 573 #define stderr 2 574 #define MAX_FILES 3 575 576 void fprintf(int file, const char *fmt, ...); 577 void fputs(int file, const char *s); 578 void fputc(int file, const char c); 579 int ftstc(int file); 580 int fgetc(int file); 581 582 int pcmcia_init (void); 583 584 #ifdef CONFIG_SHOW_BOOT_PROGRESS 585 void show_boot_progress (int status); 586 #endif 587 588 #endif /* __COMMON_H_ */ 589