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_8260) 67 #if defined(CONFIG_MPC8247) \ 68 || defined(CONFIG_MPC8248) \ 69 || defined(CONFIG_MPC8271) \ 70 || defined(CONFIG_MPC8272) 71 #define CONFIG_MPC8272_FAMILY 1 72 #endif 73 #if defined(CONFIG_MPC8272_FAMILY) 74 #define CONFIG_MPC8260 1 75 #endif 76 #include <asm/immap_8260.h> 77 #endif 78 #ifdef CONFIG_MPC85xx 79 #include <mpc85xx.h> 80 #include <asm/immap_85xx.h> 81 #endif 82 #ifdef CONFIG_4xx 83 #include <ppc4xx.h> 84 #endif 85 #ifdef CONFIG_HYMOD 86 #include <board/hymod/hymod.h> 87 #endif 88 #ifdef CONFIG_ARM 89 #define asmlinkage /* nothing */ 90 #endif 91 92 #include <part.h> 93 #include <flash.h> 94 #include <image.h> 95 96 #ifdef DEBUG 97 #define debug(fmt,args...) printf (fmt ,##args) 98 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 99 #else 100 #define debug(fmt,args...) 101 #define debugX(level,fmt,args...) 102 #endif /* DEBUG */ 103 104 typedef void (interrupt_handler_t)(void *); 105 106 #include <asm/u-boot.h> /* boot information for Linux kernel */ 107 #include <asm/global_data.h> /* global data used for startup functions */ 108 109 /* 110 * enable common handling for all TQM8xxL/M boards: 111 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 112 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 113 */ 114 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 115 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 116 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 117 # ifndef CONFIG_TQM8xxM 118 # define CONFIG_TQM8xxM 119 # endif 120 #endif 121 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 122 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 123 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 124 # ifndef CONFIG_TQM8xxL 125 # define CONFIG_TQM8xxL 126 # endif 127 #endif 128 129 #ifndef CONFIG_SERIAL_MULTI 130 131 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 132 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 133 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 134 135 #define CONFIG_SERIAL_MULTI 1 136 137 #endif 138 139 #endif /* CONFIG_SERIAL_MULTI */ 140 141 /* 142 * General Purpose Utilities 143 */ 144 #define min(X, Y) \ 145 ({ typeof (X) __x = (X), __y = (Y); \ 146 (__x < __y) ? __x : __y; }) 147 148 #define max(X, Y) \ 149 ({ typeof (X) __x = (X), __y = (Y); \ 150 (__x > __y) ? __x : __y; }) 151 152 153 /* 154 * Function Prototypes 155 */ 156 157 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 158 void serial_buffered_init (void); 159 void serial_buffered_putc (const char); 160 void serial_buffered_puts (const char *); 161 int serial_buffered_getc (void); 162 int serial_buffered_tstc (void); 163 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 164 165 void hang (void) __attribute__ ((noreturn)); 166 167 /* */ 168 long int initdram (int); 169 int display_options (void); 170 void print_size (ulong, const char *); 171 172 /* common/main.c */ 173 void main_loop (void); 174 int run_command (const char *cmd, int flag); 175 int readline (const char *const prompt); 176 void init_cmd_timeout(void); 177 void reset_cmd_timeout(void); 178 179 /* lib_$(ARCH)/board.c */ 180 void board_init_f (ulong); 181 void board_init_r (gd_t *, ulong); 182 int checkboard (void); 183 int checkflash (void); 184 int checkdram (void); 185 char * strmhz(char *buf, long hz); 186 int last_stage_init(void); 187 extern ulong monitor_flash_len; 188 189 /* common/flash.c */ 190 void flash_perror (int); 191 192 /* common/cmd_autoscript.c */ 193 int autoscript (ulong addr); 194 195 /* common/cmd_bootm.c */ 196 void print_image_hdr (image_header_t *hdr); 197 198 extern ulong load_addr; /* Default Load Address */ 199 200 /* common/cmd_nvedit.c */ 201 int env_init (void); 202 void env_relocate (void); 203 char *getenv (uchar *); 204 int getenv_r (uchar *name, uchar *buf, unsigned len); 205 int saveenv (void); 206 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 207 void inline setenv (char *, char *); 208 #else 209 void setenv (char *, char *); 210 #endif /* CONFIG_PPC */ 211 #ifdef CONFIG_ARM 212 # include <asm/mach-types.h> 213 # include <asm/setup.h> 214 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 215 #endif /* CONFIG_ARM */ 216 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 217 # include <asm/u-boot-i386.h> 218 #endif /* CONFIG_I386 */ 219 220 #ifdef CONFIG_AUTO_COMPLETE 221 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 222 #endif 223 224 void pci_init (void); 225 void pci_init_board(void); 226 void pciinfo (int, int); 227 228 #if defined(CONFIG_PCI) && defined(CONFIG_440) 229 # if defined(CFG_PCI_PRE_INIT) 230 int pci_pre_init (struct pci_controller * ); 231 # endif 232 # if defined(CFG_PCI_TARGET_INIT) 233 void pci_target_init (struct pci_controller *); 234 # endif 235 # if defined(CFG_PCI_MASTER_INIT) 236 void pci_master_init (struct pci_controller *); 237 # endif 238 int is_pci_host (struct pci_controller *); 239 #endif 240 241 int misc_init_f (void); 242 int misc_init_r (void); 243 244 /* common/exports.c */ 245 void jumptable_init(void); 246 247 /* common/memsize.c */ 248 int get_ram_size (volatile long *, long); 249 250 /* $(BOARD)/$(BOARD).c */ 251 void reset_phy (void); 252 void fdc_hw_init (void); 253 254 /* $(BOARD)/eeprom.c */ 255 void eeprom_init (void); 256 #ifndef CONFIG_SPI 257 int eeprom_probe (unsigned dev_addr, unsigned offset); 258 #endif 259 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 260 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 261 #ifdef CONFIG_LWMON 262 extern uchar pic_read (uchar reg); 263 extern void pic_write (uchar reg, uchar val); 264 #endif 265 266 /* 267 * Set this up regardless of board 268 * type, to prevent errors. 269 */ 270 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 271 # define CFG_DEF_EEPROM_ADDR 0 272 #else 273 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 274 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 275 276 #if defined(CONFIG_SPI) 277 extern void spi_init_f (void); 278 extern void spi_init_r (void); 279 extern ssize_t spi_read (uchar *, int, uchar *, int); 280 extern ssize_t spi_write (uchar *, int, uchar *, int); 281 #endif 282 283 #ifdef CONFIG_RPXCLASSIC 284 void rpxclassic_init (void); 285 #endif 286 287 void rpxlite_init (void); 288 289 #ifdef CONFIG_MBX 290 /* $(BOARD)/mbx8xx.c */ 291 void mbx_init (void); 292 void board_serial_init (void); 293 void board_ether_init (void); 294 #endif 295 296 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 297 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) 298 void board_get_enetaddr (uchar *addr); 299 #endif 300 301 #ifdef CONFIG_HERMES 302 /* $(BOARD)/hermes.c */ 303 void hermes_start_lxt980 (int speed); 304 #endif 305 306 #ifdef CONFIG_EVB64260 307 void evb64260_init(void); 308 void debug_led(int, int); 309 void display_mem_map(void); 310 void perform_soft_reset(void); 311 #endif 312 313 void load_sernum_ethaddr (void); 314 315 /* $(BOARD)/$(BOARD).c */ 316 int board_early_init_f (void); 317 int board_late_init (void); 318 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 319 int board_early_init_r (void); 320 void board_poweroff (void); 321 322 #if defined(CFG_DRAM_TEST) 323 int testdram(void); 324 #endif /* CFG_DRAM_TEST */ 325 326 /* $(CPU)/start.S */ 327 #if defined(CONFIG_5xx) || \ 328 defined(CONFIG_8xx) 329 uint get_immr (uint); 330 #endif 331 uint get_pir (void); 332 #if defined(CONFIG_MPC5xxx) 333 uint get_svr (void); 334 #endif 335 uint get_pvr (void); 336 uint get_svr (void); 337 uint rd_ic_cst (void); 338 void wr_ic_cst (uint); 339 void wr_ic_adr (uint); 340 uint rd_dc_cst (void); 341 void wr_dc_cst (uint); 342 void wr_dc_adr (uint); 343 int icache_status (void); 344 void icache_enable (void); 345 void icache_disable(void); 346 int dcache_status (void); 347 void dcache_enable (void); 348 void dcache_disable(void); 349 void relocate_code (ulong, gd_t *, ulong); 350 ulong get_endaddr (void); 351 void trap_init (ulong); 352 #if defined (CONFIG_4xx) || \ 353 defined (CONFIG_MPC5xxx) || \ 354 defined (CONFIG_74xx_7xx) || \ 355 defined (CONFIG_74x) || \ 356 defined (CONFIG_75x) || \ 357 defined (CONFIG_74xx) || \ 358 defined(CONFIG_MPC85xx) 359 unsigned char in8(unsigned int); 360 void out8(unsigned int, unsigned char); 361 unsigned short in16(unsigned int); 362 unsigned short in16r(unsigned int); 363 void out16(unsigned int, unsigned short value); 364 void out16r(unsigned int, unsigned short value); 365 unsigned long in32(unsigned int); 366 unsigned long in32r(unsigned int); 367 void out32(unsigned int, unsigned long value); 368 void out32r(unsigned int, unsigned long value); 369 void ppcDcbf(unsigned long value); 370 void ppcDcbi(unsigned long value); 371 void ppcSync(void); 372 void ppcDcbz(unsigned long value); 373 #endif 374 375 /* $(CPU)/cpu.c */ 376 int checkcpu (void); 377 int checkicache (void); 378 int checkdcache (void); 379 void upmconfig (unsigned int, unsigned int *, unsigned int); 380 ulong get_tbclk (void); 381 382 /* $(CPU)/serial.c */ 383 int serial_init (void); 384 void serial_setbrg (void); 385 void serial_putc (const char); 386 void serial_puts (const char *); 387 void serial_addr (unsigned int); 388 int serial_getc (void); 389 int serial_tstc (void); 390 391 /* $(CPU)/speed.c */ 392 int get_clocks (void); 393 int get_clocks_866 (void); 394 int sdram_adjust_866 (void); 395 int adjust_sdram_tbs_8xx (void); 396 #if defined(CONFIG_8260) 397 int prt_8260_clks (void); 398 #endif 399 #if defined(CONFIG_MPC5xxx) 400 int prt_mpc5xxx_clks (void); 401 #endif 402 #ifdef CONFIG_4xx 403 ulong get_OPB_freq (void); 404 ulong get_PCI_freq (void); 405 #endif 406 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 407 ulong get_FCLK (void); 408 ulong get_HCLK (void); 409 ulong get_PCLK (void); 410 ulong get_UCLK (void); 411 #endif 412 #if defined(CONFIG_LH7A40X) 413 ulong get_PLLCLK (void); 414 #endif 415 #if defined CONFIG_INCA_IP 416 uint incaip_get_cpuclk (void); 417 #endif 418 #if defined(CONFIG_IMX) 419 ulong get_systemPLLCLK(void); 420 ulong get_FCLK(void); 421 ulong get_HCLK(void); 422 ulong get_BCLK(void); 423 ulong get_PERCLK1(void); 424 ulong get_PERCLK2(void); 425 ulong get_PERCLK3(void); 426 #endif 427 ulong get_bus_freq (ulong); 428 429 #if defined(CONFIG_MPC85xx) 430 typedef MPC85xx_SYS_INFO sys_info_t; 431 void get_sys_info ( sys_info_t * ); 432 #endif 433 434 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 435 # if defined(CONFIG_440) 436 typedef PPC440_SYS_INFO sys_info_t; 437 # else 438 typedef PPC405_SYS_INFO sys_info_t; 439 # endif 440 void get_sys_info ( sys_info_t * ); 441 #endif 442 443 /* $(CPU)/cpu_init.c */ 444 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 445 void cpu_init_f (volatile immap_t *immr); 446 #endif 447 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) 448 void cpu_init_f (void); 449 #endif 450 451 int cpu_init_r (void); 452 #if defined(CONFIG_8260) 453 int prt_8260_rsr (void); 454 #endif 455 456 /* $(CPU)/interrupts.c */ 457 int interrupt_init (void); 458 void timer_interrupt (struct pt_regs *); 459 void external_interrupt (struct pt_regs *); 460 void irq_install_handler(int, interrupt_handler_t *, void *); 461 void irq_free_handler (int); 462 void reset_timer (void); 463 ulong get_timer (ulong base); 464 void set_timer (ulong t); 465 void enable_interrupts (void); 466 int disable_interrupts (void); 467 468 /* $(CPU)/.../commproc.c */ 469 int dpram_init (void); 470 uint dpram_base(void); 471 uint dpram_base_align(uint align); 472 uint dpram_alloc(uint size); 473 uint dpram_alloc_align(uint size,uint align); 474 void post_word_store (ulong); 475 ulong post_word_load (void); 476 void bootcount_store (ulong); 477 ulong bootcount_load (void); 478 #define BOOTCOUNT_MAGIC 0xB001C041 479 480 /* $(CPU)/.../<eth> */ 481 void mii_init (void); 482 483 /* $(CPU)/.../lcd.c */ 484 ulong lcd_setmem (ulong); 485 486 /* $(CPU)/.../vfd.c */ 487 ulong vfd_setmem (ulong); 488 489 /* $(CPU)/.../video.c */ 490 ulong video_setmem (ulong); 491 492 /* lib_$(ARCH)/cache.c */ 493 void flush_cache (unsigned long, unsigned long); 494 495 496 /* lib_$(ARCH)/ticks.S */ 497 unsigned long long get_ticks(void); 498 void wait_ticks (unsigned long); 499 500 /* lib_$(ARCH)/time.c */ 501 void udelay (unsigned long); 502 ulong usec2ticks (unsigned long usec); 503 ulong ticks2usec (unsigned long ticks); 504 int init_timebase (void); 505 506 /* lib_generic/vsprintf.c */ 507 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 508 #ifdef CFG_64BIT_VSPRINTF 509 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 510 #endif 511 long simple_strtol(const char *cp,char **endp,unsigned int base); 512 void panic(const char *fmt, ...); 513 int sprintf(char * buf, const char *fmt, ...); 514 int vsprintf(char *buf, const char *fmt, va_list args); 515 516 /* lib_generic/crc32.c */ 517 ulong crc32 (ulong, const unsigned char *, uint); 518 ulong crc32_no_comp (ulong, const unsigned char *, uint); 519 520 /* common/console.c */ 521 int console_init_f(void); /* Before relocation; uses the serial stuff */ 522 int console_init_r(void); /* After relocation; uses the console stuff */ 523 int console_assign (int file, char *devname); /* Assign the console */ 524 int ctrlc (void); 525 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 526 void clear_ctrlc (void); /* clear the Control-C condition */ 527 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 528 529 /* 530 * STDIO based functions (can always be used) 531 */ 532 533 /* serial stuff */ 534 void serial_printf (const char *fmt, ...); 535 536 /* stdin */ 537 int getc(void); 538 int tstc(void); 539 540 /* stdout */ 541 void putc(const char c); 542 void puts(const char *s); 543 void printf(const char *fmt, ...); 544 void vprintf(const char *fmt, va_list args); 545 546 /* stderr */ 547 #define eputc(c) fputc(stderr, c) 548 #define eputs(s) fputs(stderr, s) 549 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 550 551 /* 552 * FILE based functions (can only be used AFTER relocation!) 553 */ 554 555 #define stdin 0 556 #define stdout 1 557 #define stderr 2 558 #define MAX_FILES 3 559 560 void fprintf(int file, const char *fmt, ...); 561 void fputs(int file, const char *s); 562 void fputc(int file, const char c); 563 int ftstc(int file); 564 int fgetc(int file); 565 566 int pcmcia_init (void); 567 568 #ifdef CONFIG_SHOW_BOOT_PROGRESS 569 void show_boot_progress (int status); 570 #endif 571 572 #endif /* __COMMON_H_ */ 573