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