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