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_MPC8220) 67 #include <asm/immap_8220.h> 68 #elif defined(CONFIG_8260) 69 #if defined(CONFIG_MPC8247) \ 70 || defined(CONFIG_MPC8248) \ 71 || defined(CONFIG_MPC8271) \ 72 || defined(CONFIG_MPC8272) 73 #define CONFIG_MPC8272_FAMILY 1 74 #endif 75 #if defined(CONFIG_MPC8272_FAMILY) 76 #define CONFIG_MPC8260 1 77 #endif 78 #include <asm/immap_8260.h> 79 #endif 80 #ifdef CONFIG_MPC85xx 81 #include <mpc85xx.h> 82 #include <asm/immap_85xx.h> 83 #endif 84 #ifdef CONFIG_4xx 85 #include <ppc4xx.h> 86 #endif 87 #ifdef CONFIG_HYMOD 88 #include <board/hymod/hymod.h> 89 #endif 90 #ifdef CONFIG_ARM 91 #define asmlinkage /* nothing */ 92 #endif 93 94 #include <part.h> 95 #include <flash.h> 96 #include <image.h> 97 98 #ifdef DEBUG 99 #define debug(fmt,args...) printf (fmt ,##args) 100 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 101 #else 102 #define debug(fmt,args...) 103 #define debugX(level,fmt,args...) 104 #endif /* DEBUG */ 105 106 typedef void (interrupt_handler_t)(void *); 107 108 #include <asm/u-boot.h> /* boot information for Linux kernel */ 109 #include <asm/global_data.h> /* global data used for startup functions */ 110 111 /* 112 * enable common handling for all TQM8xxL/M boards: 113 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 114 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 115 */ 116 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 117 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 118 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 119 # ifndef CONFIG_TQM8xxM 120 # define CONFIG_TQM8xxM 121 # endif 122 #endif 123 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 124 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 125 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 126 # ifndef CONFIG_TQM8xxL 127 # define CONFIG_TQM8xxL 128 # endif 129 #endif 130 131 #ifndef CONFIG_SERIAL_MULTI 132 133 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 134 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 135 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 136 137 #define CONFIG_SERIAL_MULTI 1 138 139 #endif 140 141 #endif /* CONFIG_SERIAL_MULTI */ 142 143 /* 144 * General Purpose Utilities 145 */ 146 #define min(X, Y) \ 147 ({ typeof (X) __x = (X), __y = (Y); \ 148 (__x < __y) ? __x : __y; }) 149 150 #define max(X, Y) \ 151 ({ typeof (X) __x = (X), __y = (Y); \ 152 (__x > __y) ? __x : __y; }) 153 154 155 /* 156 * Function Prototypes 157 */ 158 159 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 160 void serial_buffered_init (void); 161 void serial_buffered_putc (const char); 162 void serial_buffered_puts (const char *); 163 int serial_buffered_getc (void); 164 int serial_buffered_tstc (void); 165 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 166 167 void hang (void) __attribute__ ((noreturn)); 168 169 /* */ 170 long int initdram (int); 171 int display_options (void); 172 void print_size (ulong, const char *); 173 174 /* common/main.c */ 175 void main_loop (void); 176 int run_command (const char *cmd, int flag); 177 int readline (const char *const prompt); 178 void init_cmd_timeout(void); 179 void reset_cmd_timeout(void); 180 181 /* lib_$(ARCH)/board.c */ 182 void board_init_f (ulong); 183 void board_init_r (gd_t *, ulong); 184 int checkboard (void); 185 int checkflash (void); 186 int checkdram (void); 187 char * strmhz(char *buf, long hz); 188 int last_stage_init(void); 189 extern ulong monitor_flash_len; 190 191 /* common/flash.c */ 192 void flash_perror (int); 193 194 /* common/cmd_autoscript.c */ 195 int autoscript (ulong addr); 196 197 /* common/cmd_bootm.c */ 198 void print_image_hdr (image_header_t *hdr); 199 200 extern ulong load_addr; /* Default Load Address */ 201 202 /* common/cmd_nvedit.c */ 203 int env_init (void); 204 void env_relocate (void); 205 char *getenv (uchar *); 206 int getenv_r (uchar *name, uchar *buf, unsigned len); 207 int saveenv (void); 208 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 209 void inline setenv (char *, char *); 210 #else 211 void setenv (char *, char *); 212 #endif /* CONFIG_PPC */ 213 #ifdef CONFIG_ARM 214 # include <asm/mach-types.h> 215 # include <asm/setup.h> 216 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 217 #endif /* CONFIG_ARM */ 218 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 219 # include <asm/u-boot-i386.h> 220 #endif /* CONFIG_I386 */ 221 222 #ifdef CONFIG_AUTO_COMPLETE 223 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 224 #endif 225 226 void pci_init (void); 227 void pci_init_board(void); 228 void pciinfo (int, int); 229 230 #if defined(CONFIG_PCI) && defined(CONFIG_440) 231 # if defined(CFG_PCI_PRE_INIT) 232 int pci_pre_init (struct pci_controller * ); 233 # endif 234 # if defined(CFG_PCI_TARGET_INIT) 235 void pci_target_init (struct pci_controller *); 236 # endif 237 # if defined(CFG_PCI_MASTER_INIT) 238 void pci_master_init (struct pci_controller *); 239 # endif 240 int is_pci_host (struct pci_controller *); 241 #endif 242 243 int misc_init_f (void); 244 int misc_init_r (void); 245 246 /* common/exports.c */ 247 void jumptable_init(void); 248 249 /* common/memsize.c */ 250 int get_ram_size (volatile long *, long); 251 252 /* $(BOARD)/$(BOARD).c */ 253 void reset_phy (void); 254 void fdc_hw_init (void); 255 256 /* $(BOARD)/eeprom.c */ 257 void eeprom_init (void); 258 #ifndef CONFIG_SPI 259 int eeprom_probe (unsigned dev_addr, unsigned offset); 260 #endif 261 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 262 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 263 #ifdef CONFIG_LWMON 264 extern uchar pic_read (uchar reg); 265 extern void pic_write (uchar reg, uchar val); 266 #endif 267 268 /* 269 * Set this up regardless of board 270 * type, to prevent errors. 271 */ 272 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 273 # define CFG_DEF_EEPROM_ADDR 0 274 #else 275 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 276 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 277 278 #if defined(CONFIG_SPI) 279 extern void spi_init_f (void); 280 extern void spi_init_r (void); 281 extern ssize_t spi_read (uchar *, int, uchar *, int); 282 extern ssize_t spi_write (uchar *, int, uchar *, int); 283 #endif 284 285 #ifdef CONFIG_RPXCLASSIC 286 void rpxclassic_init (void); 287 #endif 288 289 void rpxlite_init (void); 290 291 #ifdef CONFIG_MBX 292 /* $(BOARD)/mbx8xx.c */ 293 void mbx_init (void); 294 void board_serial_init (void); 295 void board_ether_init (void); 296 #endif 297 298 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 299 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) 300 void board_get_enetaddr (uchar *addr); 301 #endif 302 303 #ifdef CONFIG_HERMES 304 /* $(BOARD)/hermes.c */ 305 void hermes_start_lxt980 (int speed); 306 #endif 307 308 #ifdef CONFIG_EVB64260 309 void evb64260_init(void); 310 void debug_led(int, int); 311 void display_mem_map(void); 312 void perform_soft_reset(void); 313 #endif 314 315 void load_sernum_ethaddr (void); 316 317 /* $(BOARD)/$(BOARD).c */ 318 int board_early_init_f (void); 319 int board_late_init (void); 320 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 321 int board_early_init_r (void); 322 void board_poweroff (void); 323 324 #if defined(CFG_DRAM_TEST) 325 int testdram(void); 326 #endif /* CFG_DRAM_TEST */ 327 328 /* $(CPU)/start.S */ 329 #if defined(CONFIG_5xx) || \ 330 defined(CONFIG_8xx) 331 uint get_immr (uint); 332 #endif 333 uint get_pir (void); 334 #if defined(CONFIG_MPC5xxx) 335 uint get_svr (void); 336 #endif 337 uint get_pvr (void); 338 uint get_svr (void); 339 uint rd_ic_cst (void); 340 void wr_ic_cst (uint); 341 void wr_ic_adr (uint); 342 uint rd_dc_cst (void); 343 void wr_dc_cst (uint); 344 void wr_dc_adr (uint); 345 int icache_status (void); 346 void icache_enable (void); 347 void icache_disable(void); 348 int dcache_status (void); 349 void dcache_enable (void); 350 void dcache_disable(void); 351 void relocate_code (ulong, gd_t *, ulong); 352 ulong get_endaddr (void); 353 void trap_init (ulong); 354 #if defined (CONFIG_4xx) || \ 355 defined (CONFIG_MPC5xxx) || \ 356 defined (CONFIG_74xx_7xx) || \ 357 defined (CONFIG_74x) || \ 358 defined (CONFIG_75x) || \ 359 defined (CONFIG_74xx) || \ 360 defined (CONFIG_MPC8220) || \ 361 defined(CONFIG_MPC85xx) 362 unsigned char in8(unsigned int); 363 void out8(unsigned int, unsigned char); 364 unsigned short in16(unsigned int); 365 unsigned short in16r(unsigned int); 366 void out16(unsigned int, unsigned short value); 367 void out16r(unsigned int, unsigned short value); 368 unsigned long in32(unsigned int); 369 unsigned long in32r(unsigned int); 370 void out32(unsigned int, unsigned long value); 371 void out32r(unsigned int, unsigned long value); 372 void ppcDcbf(unsigned long value); 373 void ppcDcbi(unsigned long value); 374 void ppcSync(void); 375 void ppcDcbz(unsigned long value); 376 #endif 377 378 /* $(CPU)/cpu.c */ 379 int checkcpu (void); 380 int checkicache (void); 381 int checkdcache (void); 382 void upmconfig (unsigned int, unsigned int *, unsigned int); 383 ulong get_tbclk (void); 384 385 /* $(CPU)/serial.c */ 386 int serial_init (void); 387 void serial_setbrg (void); 388 void serial_putc (const char); 389 void serial_puts (const char *); 390 void serial_addr (unsigned int); 391 int serial_getc (void); 392 int serial_tstc (void); 393 394 /* $(CPU)/speed.c */ 395 int get_clocks (void); 396 int get_clocks_866 (void); 397 int sdram_adjust_866 (void); 398 int adjust_sdram_tbs_8xx (void); 399 #if defined(CONFIG_8260) 400 int prt_8260_clks (void); 401 #endif 402 #if defined(CONFIG_MPC5xxx) 403 int prt_mpc5xxx_clks (void); 404 #endif 405 #if defined(CONFIG_MPC8220) 406 int prt_mpc8220_clks (void); 407 #endif 408 #ifdef CONFIG_4xx 409 ulong get_OPB_freq (void); 410 ulong get_PCI_freq (void); 411 #endif 412 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 413 ulong get_FCLK (void); 414 ulong get_HCLK (void); 415 ulong get_PCLK (void); 416 ulong get_UCLK (void); 417 #endif 418 #if defined(CONFIG_LH7A40X) 419 ulong get_PLLCLK (void); 420 #endif 421 #if defined CONFIG_INCA_IP 422 uint incaip_get_cpuclk (void); 423 #endif 424 #if defined(CONFIG_IMX) 425 ulong get_systemPLLCLK(void); 426 ulong get_FCLK(void); 427 ulong get_HCLK(void); 428 ulong get_BCLK(void); 429 ulong get_PERCLK1(void); 430 ulong get_PERCLK2(void); 431 ulong get_PERCLK3(void); 432 #endif 433 ulong get_bus_freq (ulong); 434 435 #if defined(CONFIG_MPC85xx) 436 typedef MPC85xx_SYS_INFO sys_info_t; 437 void get_sys_info ( sys_info_t * ); 438 #endif 439 440 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 441 # if defined(CONFIG_440) 442 typedef PPC440_SYS_INFO sys_info_t; 443 # else 444 typedef PPC405_SYS_INFO sys_info_t; 445 # endif 446 void get_sys_info ( sys_info_t * ); 447 #endif 448 449 /* $(CPU)/cpu_init.c */ 450 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 451 void cpu_init_f (volatile immap_t *immr); 452 #endif 453 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) 454 void cpu_init_f (void); 455 #endif 456 457 int cpu_init_r (void); 458 #if defined(CONFIG_8260) 459 int prt_8260_rsr (void); 460 #endif 461 462 /* $(CPU)/interrupts.c */ 463 int interrupt_init (void); 464 void timer_interrupt (struct pt_regs *); 465 void external_interrupt (struct pt_regs *); 466 void irq_install_handler(int, interrupt_handler_t *, void *); 467 void irq_free_handler (int); 468 void reset_timer (void); 469 ulong get_timer (ulong base); 470 void set_timer (ulong t); 471 void enable_interrupts (void); 472 int disable_interrupts (void); 473 474 /* $(CPU)/.../commproc.c */ 475 int dpram_init (void); 476 uint dpram_base(void); 477 uint dpram_base_align(uint align); 478 uint dpram_alloc(uint size); 479 uint dpram_alloc_align(uint size,uint align); 480 void post_word_store (ulong); 481 ulong post_word_load (void); 482 void bootcount_store (ulong); 483 ulong bootcount_load (void); 484 #define BOOTCOUNT_MAGIC 0xB001C041 485 486 /* $(CPU)/.../<eth> */ 487 void mii_init (void); 488 489 /* $(CPU)/.../lcd.c */ 490 ulong lcd_setmem (ulong); 491 492 /* $(CPU)/.../vfd.c */ 493 ulong vfd_setmem (ulong); 494 495 /* $(CPU)/.../video.c */ 496 ulong video_setmem (ulong); 497 498 /* lib_$(ARCH)/cache.c */ 499 void flush_cache (unsigned long, unsigned long); 500 501 502 /* lib_$(ARCH)/ticks.S */ 503 unsigned long long get_ticks(void); 504 void wait_ticks (unsigned long); 505 506 /* lib_$(ARCH)/time.c */ 507 void udelay (unsigned long); 508 ulong usec2ticks (unsigned long usec); 509 ulong ticks2usec (unsigned long ticks); 510 int init_timebase (void); 511 512 /* lib_generic/vsprintf.c */ 513 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 514 #ifdef CFG_64BIT_VSPRINTF 515 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 516 #endif 517 long simple_strtol(const char *cp,char **endp,unsigned int base); 518 void panic(const char *fmt, ...); 519 int sprintf(char * buf, const char *fmt, ...); 520 int vsprintf(char *buf, const char *fmt, va_list args); 521 522 /* lib_generic/crc32.c */ 523 ulong crc32 (ulong, const unsigned char *, uint); 524 ulong crc32_no_comp (ulong, const unsigned char *, uint); 525 526 /* common/console.c */ 527 int console_init_f(void); /* Before relocation; uses the serial stuff */ 528 int console_init_r(void); /* After relocation; uses the console stuff */ 529 int console_assign (int file, char *devname); /* Assign the console */ 530 int ctrlc (void); 531 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 532 void clear_ctrlc (void); /* clear the Control-C condition */ 533 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 534 535 /* 536 * STDIO based functions (can always be used) 537 */ 538 539 /* serial stuff */ 540 void serial_printf (const char *fmt, ...); 541 542 /* stdin */ 543 int getc(void); 544 int tstc(void); 545 546 /* stdout */ 547 void putc(const char c); 548 void puts(const char *s); 549 void printf(const char *fmt, ...); 550 void vprintf(const char *fmt, va_list args); 551 552 /* stderr */ 553 #define eputc(c) fputc(stderr, c) 554 #define eputs(s) fputs(stderr, s) 555 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 556 557 /* 558 * FILE based functions (can only be used AFTER relocation!) 559 */ 560 561 #define stdin 0 562 #define stdout 1 563 #define stderr 2 564 #define MAX_FILES 3 565 566 void fprintf(int file, const char *fmt, ...); 567 void fputs(int file, const char *s); 568 void fputc(int file, const char c); 569 int ftstc(int file); 570 int fgetc(int file); 571 572 int pcmcia_init (void); 573 574 #ifdef CONFIG_SHOW_BOOT_PROGRESS 575 void show_boot_progress (int status); 576 #endif 577 578 #endif /* __COMMON_H_ */ 579