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 #if defined(CONFIG_440SPE) 256 void pcie_setup_hoses(void); 257 #endif 258 #endif 259 260 int misc_init_f (void); 261 int misc_init_r (void); 262 263 /* common/exports.c */ 264 void jumptable_init(void); 265 266 /* common/memsize.c */ 267 int get_ram_size (volatile long *, long); 268 269 /* $(BOARD)/$(BOARD).c */ 270 void reset_phy (void); 271 void fdc_hw_init (void); 272 273 /* $(BOARD)/eeprom.c */ 274 void eeprom_init (void); 275 #ifndef CONFIG_SPI 276 int eeprom_probe (unsigned dev_addr, unsigned offset); 277 #endif 278 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 279 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 280 #ifdef CONFIG_LWMON 281 extern uchar pic_read (uchar reg); 282 extern void pic_write (uchar reg, uchar val); 283 #endif 284 285 /* 286 * Set this up regardless of board 287 * type, to prevent errors. 288 */ 289 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 290 # define CFG_DEF_EEPROM_ADDR 0 291 #else 292 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 293 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 294 295 #if defined(CONFIG_SPI) 296 extern void spi_init_f (void); 297 extern void spi_init_r (void); 298 extern ssize_t spi_read (uchar *, int, uchar *, int); 299 extern ssize_t spi_write (uchar *, int, uchar *, int); 300 #endif 301 302 #ifdef CONFIG_RPXCLASSIC 303 void rpxclassic_init (void); 304 #endif 305 306 void rpxlite_init (void); 307 308 #ifdef CONFIG_MBX 309 /* $(BOARD)/mbx8xx.c */ 310 void mbx_init (void); 311 void board_serial_init (void); 312 void board_ether_init (void); 313 #endif 314 315 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 316 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 317 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) 318 void board_get_enetaddr (uchar *addr); 319 #endif 320 321 #ifdef CONFIG_HERMES 322 /* $(BOARD)/hermes.c */ 323 void hermes_start_lxt980 (int speed); 324 #endif 325 326 #ifdef CONFIG_EVB64260 327 void evb64260_init(void); 328 void debug_led(int, int); 329 void display_mem_map(void); 330 void perform_soft_reset(void); 331 #endif 332 333 void load_sernum_ethaddr (void); 334 335 /* $(BOARD)/$(BOARD).c */ 336 int board_early_init_f (void); 337 int board_late_init (void); 338 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 339 int board_early_init_r (void); 340 void board_poweroff (void); 341 342 #if defined(CFG_DRAM_TEST) 343 int testdram(void); 344 #endif /* CFG_DRAM_TEST */ 345 346 /* $(CPU)/start.S */ 347 #if defined(CONFIG_5xx) || \ 348 defined(CONFIG_8xx) 349 uint get_immr (uint); 350 #endif 351 uint get_pir (void); 352 #if defined(CONFIG_MPC5xxx) 353 uint get_svr (void); 354 #endif 355 uint get_pvr (void); 356 uint get_svr (void); 357 uint rd_ic_cst (void); 358 void wr_ic_cst (uint); 359 void wr_ic_adr (uint); 360 uint rd_dc_cst (void); 361 void wr_dc_cst (uint); 362 void wr_dc_adr (uint); 363 int icache_status (void); 364 void icache_enable (void); 365 void icache_disable(void); 366 int dcache_status (void); 367 void dcache_enable (void); 368 void dcache_disable(void); 369 void relocate_code (ulong, gd_t *, ulong); 370 ulong get_endaddr (void); 371 void trap_init (ulong); 372 #if defined (CONFIG_4xx) || \ 373 defined (CONFIG_MPC5xxx) || \ 374 defined (CONFIG_74xx_7xx) || \ 375 defined (CONFIG_74x) || \ 376 defined (CONFIG_75x) || \ 377 defined (CONFIG_74xx) || \ 378 defined (CONFIG_MPC8220) || \ 379 defined (CONFIG_MPC85xx) || \ 380 defined (CONFIG_MPC86xx) || \ 381 defined (CONFIG_MPC83XX) 382 unsigned char in8(unsigned int); 383 void out8(unsigned int, unsigned char); 384 unsigned short in16(unsigned int); 385 unsigned short in16r(unsigned int); 386 void out16(unsigned int, unsigned short value); 387 void out16r(unsigned int, unsigned short value); 388 unsigned long in32(unsigned int); 389 unsigned long in32r(unsigned int); 390 void out32(unsigned int, unsigned long value); 391 void out32r(unsigned int, unsigned long value); 392 void ppcDcbf(unsigned long value); 393 void ppcDcbi(unsigned long value); 394 void ppcSync(void); 395 void ppcDcbz(unsigned long value); 396 #endif 397 398 /* $(CPU)/cpu.c */ 399 int checkcpu (void); 400 int checkicache (void); 401 int checkdcache (void); 402 void upmconfig (unsigned int, unsigned int *, unsigned int); 403 ulong get_tbclk (void); 404 void reset_cpu (ulong addr); 405 406 /* $(CPU)/serial.c */ 407 int serial_init (void); 408 void serial_addr (unsigned int); 409 void serial_setbrg (void); 410 void serial_putc (const char); 411 void serial_putc_raw(const char); 412 void serial_puts (const char *); 413 int serial_getc (void); 414 int serial_tstc (void); 415 416 void _serial_setbrg (const int); 417 void _serial_putc (const char, const int); 418 void _serial_putc_raw(const char, const int); 419 void _serial_puts (const char *, const int); 420 int _serial_getc (const int); 421 int _serial_tstc (const int); 422 423 /* $(CPU)/speed.c */ 424 int get_clocks (void); 425 int get_clocks_866 (void); 426 int sdram_adjust_866 (void); 427 int adjust_sdram_tbs_8xx (void); 428 #if defined(CONFIG_8260) 429 int prt_8260_clks (void); 430 #elif defined(CONFIG_MPC83XX) 431 int print_clock_conf(void); 432 #elif defined(CONFIG_MPC5xxx) 433 int prt_mpc5xxx_clks (void); 434 #endif 435 #if defined(CONFIG_MPC8220) 436 int prt_mpc8220_clks (void); 437 #endif 438 #ifdef CONFIG_4xx 439 ulong get_OPB_freq (void); 440 ulong get_PCI_freq (void); 441 #endif 442 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 443 ulong get_FCLK (void); 444 ulong get_HCLK (void); 445 ulong get_PCLK (void); 446 ulong get_UCLK (void); 447 #endif 448 #if defined(CONFIG_LH7A40X) 449 ulong get_PLLCLK (void); 450 #endif 451 #if defined CONFIG_INCA_IP 452 uint incaip_get_cpuclk (void); 453 #endif 454 #if defined(CONFIG_IMX) 455 ulong get_systemPLLCLK(void); 456 ulong get_FCLK(void); 457 ulong get_HCLK(void); 458 ulong get_BCLK(void); 459 ulong get_PERCLK1(void); 460 ulong get_PERCLK2(void); 461 ulong get_PERCLK3(void); 462 #endif 463 ulong get_bus_freq (ulong); 464 465 #if defined(CONFIG_MPC85xx) 466 typedef MPC85xx_SYS_INFO sys_info_t; 467 void get_sys_info ( sys_info_t * ); 468 #endif 469 #if defined(CONFIG_MPC86xx) 470 typedef MPC86xx_SYS_INFO sys_info_t; 471 void get_sys_info ( sys_info_t * ); 472 #endif 473 474 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 475 # if defined(CONFIG_440) 476 typedef PPC440_SYS_INFO sys_info_t; 477 # if defined(CONFIG_440SPE) 478 unsigned long determine_sysper(void); 479 unsigned long determine_pci_clock_per(void); 480 int ppc440spe_revB(void); 481 # endif 482 # else 483 typedef PPC405_SYS_INFO sys_info_t; 484 # endif 485 void get_sys_info ( sys_info_t * ); 486 #endif 487 488 /* $(CPU)/cpu_init.c */ 489 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 490 void cpu_init_f (volatile immap_t *immr); 491 #endif 492 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 493 void cpu_init_f (void); 494 #endif 495 496 int cpu_init_r (void); 497 #if defined(CONFIG_8260) 498 int prt_8260_rsr (void); 499 #endif 500 501 /* $(CPU)/interrupts.c */ 502 int interrupt_init (void); 503 void timer_interrupt (struct pt_regs *); 504 void external_interrupt (struct pt_regs *); 505 void irq_install_handler(int, interrupt_handler_t *, void *); 506 void irq_free_handler (int); 507 void reset_timer (void); 508 ulong get_timer (ulong base); 509 void set_timer (ulong t); 510 void enable_interrupts (void); 511 int disable_interrupts (void); 512 513 /* $(CPU)/.../commproc.c */ 514 int dpram_init (void); 515 uint dpram_base(void); 516 uint dpram_base_align(uint align); 517 uint dpram_alloc(uint size); 518 uint dpram_alloc_align(uint size,uint align); 519 void post_word_store (ulong); 520 ulong post_word_load (void); 521 void bootcount_store (ulong); 522 ulong bootcount_load (void); 523 #define BOOTCOUNT_MAGIC 0xB001C041 524 525 /* $(CPU)/.../<eth> */ 526 void mii_init (void); 527 528 /* $(CPU)/.../lcd.c */ 529 ulong lcd_setmem (ulong); 530 531 /* $(CPU)/.../vfd.c */ 532 ulong vfd_setmem (ulong); 533 534 /* $(CPU)/.../video.c */ 535 ulong video_setmem (ulong); 536 537 /* lib_$(ARCH)/cache.c */ 538 void flush_cache (unsigned long, unsigned long); 539 540 541 /* lib_$(ARCH)/ticks.S */ 542 unsigned long long get_ticks(void); 543 void wait_ticks (unsigned long); 544 545 /* lib_$(ARCH)/time.c */ 546 void udelay (unsigned long); 547 ulong usec2ticks (unsigned long usec); 548 ulong ticks2usec (unsigned long ticks); 549 int init_timebase (void); 550 551 /* lib_generic/vsprintf.c */ 552 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 553 #ifdef CFG_64BIT_VSPRINTF 554 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 555 #endif 556 long simple_strtol(const char *cp,char **endp,unsigned int base); 557 void panic(const char *fmt, ...); 558 int sprintf(char * buf, const char *fmt, ...); 559 int vsprintf(char *buf, const char *fmt, va_list args); 560 561 /* lib_generic/crc32.c */ 562 ulong crc32 (ulong, const unsigned char *, uint); 563 ulong crc32_no_comp (ulong, const unsigned char *, uint); 564 565 /* common/console.c */ 566 int console_init_f(void); /* Before relocation; uses the serial stuff */ 567 int console_init_r(void); /* After relocation; uses the console stuff */ 568 int console_assign (int file, char *devname); /* Assign the console */ 569 int ctrlc (void); 570 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 571 void clear_ctrlc (void); /* clear the Control-C condition */ 572 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 573 574 /* 575 * STDIO based functions (can always be used) 576 */ 577 578 /* serial stuff */ 579 void serial_printf (const char *fmt, ...); 580 581 /* stdin */ 582 int getc(void); 583 int tstc(void); 584 585 /* stdout */ 586 void putc(const char c); 587 void puts(const char *s); 588 void printf(const char *fmt, ...); 589 void vprintf(const char *fmt, va_list args); 590 591 /* stderr */ 592 #define eputc(c) fputc(stderr, c) 593 #define eputs(s) fputs(stderr, s) 594 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 595 596 /* 597 * FILE based functions (can only be used AFTER relocation!) 598 */ 599 600 #define stdin 0 601 #define stdout 1 602 #define stderr 2 603 #define MAX_FILES 3 604 605 void fprintf(int file, const char *fmt, ...); 606 void fputs(int file, const char *s); 607 void fputc(int file, const char c); 608 int ftstc(int file); 609 int fgetc(int file); 610 611 int pcmcia_init (void); 612 613 #ifdef CONFIG_SHOW_BOOT_PROGRESS 614 void show_boot_progress (int status); 615 #endif 616 617 #ifdef CONFIG_INIT_CRITICAL 618 #error CONFIG_INIT_CRITICAL is deprecated! 619 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 620 #endif 621 622 #endif /* __COMMON_H_ */ 623