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_et_al 1 52 #elif defined(CONFIG_MPC870) \ 53 || defined(CONFIG_MPC875) \ 54 || defined(CONFIG_MPC880) \ 55 || defined(CONFIG_MPC885) 56 # define CONFIG_DUET 1 57 #endif 58 #if defined(CONFIG_MPC860) \ 59 || defined(CONFIG_MPC860T) \ 60 || defined(CONFIG_MPC866_et_al) \ 61 || defined(CONFIG_DUET) 62 # define CONFIG_MPC86x 1 63 #endif 64 #elif defined(CONFIG_5xx) 65 #include <asm/5xx_immap.h> 66 #elif defined(CONFIG_8260) 67 #include <asm/immap_8260.h> 68 #endif 69 #ifdef CONFIG_MPC85xx 70 #include <mpc85xx.h> 71 #include <asm/immap_85xx.h> 72 #endif 73 #ifdef CONFIG_4xx 74 #include <ppc4xx.h> 75 #endif 76 #ifdef CONFIG_HYMOD 77 #include <board/hymod/hymod.h> 78 #endif 79 #ifdef CONFIG_ARM 80 #define asmlinkage /* nothing */ 81 #endif 82 83 #include <part.h> 84 #include <flash.h> 85 #include <image.h> 86 87 #ifdef DEBUG 88 #define debug(fmt,args...) printf (fmt ,##args) 89 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 90 #else 91 #define debug(fmt,args...) 92 #define debugX(level,fmt,args...) 93 #endif /* DEBUG */ 94 95 typedef void (interrupt_handler_t)(void *); 96 97 #include <asm/u-boot.h> /* boot information for Linux kernel */ 98 #include <asm/global_data.h> /* global data used for startup functions */ 99 100 /* 101 * enable common handling for all TQM8xxL/M boards: 102 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 103 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 104 */ 105 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 106 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 107 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 108 # ifndef CONFIG_TQM8xxM 109 # define CONFIG_TQM8xxM 110 # endif 111 #endif 112 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 113 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 114 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 115 # ifndef CONFIG_TQM8xxL 116 # define CONFIG_TQM8xxL 117 # endif 118 #endif 119 120 121 /* 122 * General Purpose Utilities 123 */ 124 #define min(X, Y) \ 125 ({ typeof (X) __x = (X), __y = (Y); \ 126 (__x < __y) ? __x : __y; }) 127 128 #define max(X, Y) \ 129 ({ typeof (X) __x = (X), __y = (Y); \ 130 (__x > __y) ? __x : __y; }) 131 132 133 /* 134 * Function Prototypes 135 */ 136 137 #if CONFIG_SERIAL_SOFTWARE_FIFO 138 void serial_buffered_init (void); 139 void serial_buffered_putc (const char); 140 void serial_buffered_puts (const char *); 141 int serial_buffered_getc (void); 142 int serial_buffered_tstc (void); 143 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 144 145 void hang (void) __attribute__ ((noreturn)); 146 147 /* */ 148 long int initdram (int); 149 int display_options (void); 150 void print_size (ulong, const char *); 151 152 /* common/main.c */ 153 void main_loop (void); 154 int run_command (const char *cmd, int flag); 155 int readline (const char *const prompt); 156 void init_cmd_timeout(void); 157 void reset_cmd_timeout(void); 158 159 /* lib_$(ARCH)/board.c */ 160 void board_init_f (ulong); 161 void board_init_r (gd_t *, ulong); 162 int checkboard (void); 163 int checkflash (void); 164 int checkdram (void); 165 char * strmhz(char *buf, long hz); 166 int last_stage_init(void); 167 extern ulong monitor_flash_len; 168 169 /* common/flash.c */ 170 void flash_perror (int); 171 172 /* common/cmd_autoscript.c */ 173 int autoscript (ulong addr); 174 175 /* common/cmd_bootm.c */ 176 void print_image_hdr (image_header_t *hdr); 177 178 extern ulong load_addr; /* Default Load Address */ 179 180 /* common/cmd_nvedit.c */ 181 int env_init (void); 182 void env_relocate (void); 183 char *getenv (uchar *); 184 int getenv_r (uchar *name, uchar *buf, unsigned len); 185 int saveenv (void); 186 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 187 void inline setenv (char *, char *); 188 #else 189 void setenv (char *, char *); 190 #endif /* CONFIG_PPC */ 191 #ifdef CONFIG_ARM 192 # include <asm/setup.h> 193 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 194 #endif /* CONFIG_ARM */ 195 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 196 # include <asm/u-boot-i386.h> 197 #endif /* CONFIG_I386 */ 198 199 void pci_init (void); 200 void pci_init_board(void); 201 void pciinfo (int, int); 202 203 #if defined(CONFIG_PCI) && defined(CONFIG_440) 204 # if defined(CFG_PCI_PRE_INIT) 205 int pci_pre_init (struct pci_controller * ); 206 # endif 207 # if defined(CFG_PCI_TARGET_INIT) 208 void pci_target_init (struct pci_controller *); 209 # endif 210 # if defined(CFG_PCI_MASTER_INIT) 211 void pci_master_init (struct pci_controller *); 212 # endif 213 int is_pci_host (struct pci_controller *); 214 #endif 215 216 int misc_init_f (void); 217 int misc_init_r (void); 218 219 /* common/exports.c */ 220 void jumptable_init(void); 221 222 /* common/memsize.c */ 223 int get_ram_size (volatile long *, long); 224 225 /* $(BOARD)/$(BOARD).c */ 226 void reset_phy (void); 227 void fdc_hw_init (void); 228 229 /* $(BOARD)/eeprom.c */ 230 void eeprom_init (void); 231 #ifndef CONFIG_SPI 232 int eeprom_probe (unsigned dev_addr, unsigned offset); 233 #endif 234 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 235 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 236 #ifdef CONFIG_LWMON 237 extern uchar pic_read (uchar reg); 238 extern void pic_write (uchar reg, uchar val); 239 #endif 240 241 /* 242 * Set this up regardless of board 243 * type, to prevent errors. 244 */ 245 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 246 # define CFG_DEF_EEPROM_ADDR 0 247 #else 248 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 249 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 250 251 #if defined(CONFIG_SPI) 252 extern void spi_init_f (void); 253 extern void spi_init_r (void); 254 extern ssize_t spi_read (uchar *, int, uchar *, int); 255 extern ssize_t spi_write (uchar *, int, uchar *, int); 256 #endif 257 258 #ifdef CONFIG_RPXCLASSIC 259 void rpxclassic_init (void); 260 #endif 261 262 #ifdef CONFIG_MBX 263 /* $(BOARD)/mbx8xx.c */ 264 void mbx_init (void); 265 void board_serial_init (void); 266 void board_ether_init (void); 267 #endif 268 269 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210) 270 void board_get_enetaddr (uchar *addr); 271 #endif 272 273 #ifdef CONFIG_HERMES 274 /* $(BOARD)/hermes.c */ 275 void hermes_start_lxt980 (int speed); 276 #endif 277 278 #ifdef CONFIG_EVB64260 279 void evb64260_init(void); 280 void debug_led(int, int); 281 void display_mem_map(void); 282 void perform_soft_reset(void); 283 #endif 284 285 void load_sernum_ethaddr (void); 286 287 /* $(BOARD)/$(BOARD).c */ 288 int board_early_init_f (void); 289 int board_late_init (void); 290 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 291 int board_early_init_r (void); 292 void board_poweroff (void); 293 294 #if defined(CFG_DRAM_TEST) 295 int testdram(void); 296 #endif /* CFG_DRAM_TEST */ 297 298 /* $(CPU)/start.S */ 299 #if defined(CONFIG_5xx) || \ 300 defined(CONFIG_8xx) 301 uint get_immr (uint); 302 #endif 303 uint get_pir (void); 304 uint get_pvr (void); 305 uint rd_ic_cst (void); 306 void wr_ic_cst (uint); 307 void wr_ic_adr (uint); 308 uint rd_dc_cst (void); 309 void wr_dc_cst (uint); 310 void wr_dc_adr (uint); 311 int icache_status (void); 312 void icache_enable (void); 313 void icache_disable(void); 314 int dcache_status (void); 315 void dcache_enable (void); 316 void dcache_disable(void); 317 void relocate_code (ulong, gd_t *, ulong); 318 ulong get_endaddr (void); 319 void trap_init (ulong); 320 #if defined (CONFIG_4xx) || \ 321 defined (CONFIG_74xx_7xx) || \ 322 defined (CONFIG_74x) || \ 323 defined (CONFIG_75x) || \ 324 defined (CONFIG_74xx) 325 unsigned char in8(unsigned int); 326 void out8(unsigned int, unsigned char); 327 unsigned short in16(unsigned int); 328 unsigned short in16r(unsigned int); 329 void out16(unsigned int, unsigned short value); 330 void out16r(unsigned int, unsigned short value); 331 unsigned long in32(unsigned int); 332 unsigned long in32r(unsigned int); 333 void out32(unsigned int, unsigned long value); 334 void out32r(unsigned int, unsigned long value); 335 void ppcDcbf(unsigned long value); 336 void ppcDcbi(unsigned long value); 337 void ppcSync(void); 338 #endif 339 340 /* $(CPU)/cpu.c */ 341 int checkcpu (void); 342 int checkicache (void); 343 int checkdcache (void); 344 void upmconfig (unsigned int, unsigned int *, unsigned int); 345 ulong get_tbclk (void); 346 347 /* $(CPU)/serial.c */ 348 int serial_init (void); 349 void serial_setbrg (void); 350 void serial_putc (const char); 351 void serial_puts (const char *); 352 void serial_addr (unsigned int); 353 int serial_getc (void); 354 int serial_tstc (void); 355 356 /* $(CPU)/speed.c */ 357 int get_clocks (void); 358 #if defined(CONFIG_8260) 359 int prt_8260_clks (void); 360 #endif 361 #if defined(CONFIG_MPC5XXX) 362 int prt_mpc5xxx_clks (void); 363 #endif 364 #ifdef CONFIG_4xx 365 ulong get_OPB_freq (void); 366 ulong get_PCI_freq (void); 367 #endif 368 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) 369 ulong get_FCLK (void); 370 ulong get_HCLK (void); 371 ulong get_PCLK (void); 372 ulong get_UCLK (void); 373 #endif 374 #if defined CONFIG_INCA_IP 375 uint incaip_get_cpuclk (void); 376 #endif 377 ulong get_bus_freq (ulong); 378 379 #if defined(CONFIG_MPC85xx) 380 typedef MPC85xx_SYS_INFO sys_info_t; 381 void get_sys_info ( sys_info_t * ); 382 #endif 383 384 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 385 # if defined(CONFIG_440) 386 typedef PPC440_SYS_INFO sys_info_t; 387 # else 388 typedef PPC405_SYS_INFO sys_info_t; 389 # endif 390 void get_sys_info ( sys_info_t * ); 391 #endif 392 393 /* $(CPU)/cpu_init.c */ 394 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 395 void cpu_init_f (volatile immap_t *immr); 396 #endif 397 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) 398 void cpu_init_f (void); 399 #endif 400 int cpu_init_r (void); 401 #if defined(CONFIG_8260) 402 int prt_8260_rsr (void); 403 #endif 404 405 /* $(CPU)/interrupts.c */ 406 int interrupt_init (void); 407 void timer_interrupt (struct pt_regs *); 408 void external_interrupt (struct pt_regs *); 409 void irq_install_handler(int, interrupt_handler_t *, void *); 410 void irq_free_handler (int); 411 void reset_timer (void); 412 ulong get_timer (ulong base); 413 void set_timer (ulong t); 414 void enable_interrupts (void); 415 int disable_interrupts (void); 416 417 /* $(CPU)/.../commproc.c */ 418 int dpram_init (void); 419 uint dpram_base(void); 420 uint dpram_base_align(uint align); 421 uint dpram_alloc(uint size); 422 uint dpram_alloc_align(uint size,uint align); 423 void post_word_store (ulong); 424 ulong post_word_load (void); 425 void bootcount_store (ulong); 426 ulong bootcount_load (void); 427 #define BOOTCOUNT_MAGIC 0xB001C041 428 429 /* $(CPU)/.../<eth> */ 430 void mii_init (void); 431 432 /* $(CPU)/.../lcd.c */ 433 ulong lcd_setmem (ulong); 434 435 /* $(CPU)/.../vfd.c */ 436 ulong vfd_setmem (ulong); 437 438 /* $(CPU)/.../video.c */ 439 ulong video_setmem (ulong); 440 441 /* ppc/cache.c */ 442 void flush_cache (unsigned long, unsigned long); 443 444 445 /* lib_$(ARCH)/ticks.S */ 446 unsigned long long get_ticks(void); 447 void wait_ticks (unsigned long); 448 449 /* lib_$(ARCH)/time.c */ 450 void udelay (unsigned long); 451 ulong usec2ticks (unsigned long usec); 452 ulong ticks2usec (unsigned long ticks); 453 int init_timebase (void); 454 455 /* lib_generic/vsprintf.c */ 456 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 457 long simple_strtol(const char *cp,char **endp,unsigned int base); 458 void panic(const char *fmt, ...); 459 int sprintf(char * buf, const char *fmt, ...); 460 int vsprintf(char *buf, const char *fmt, va_list args); 461 462 /* lib_generic/crc32.c */ 463 ulong crc32 (ulong, const unsigned char *, uint); 464 ulong crc32_no_comp (ulong, const unsigned char *, uint); 465 466 /* common/console.c */ 467 int console_init_f(void); /* Before relocation; uses the serial stuff */ 468 int console_init_r(void); /* After relocation; uses the console stuff */ 469 int console_assign (int file, char *devname); /* Assign the console */ 470 int ctrlc (void); 471 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 472 void clear_ctrlc (void); /* clear the Control-C condition */ 473 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 474 475 /* 476 * STDIO based functions (can always be used) 477 */ 478 479 /* serial stuff */ 480 void serial_printf (const char *fmt, ...); 481 482 /* stdin */ 483 int getc(void); 484 int tstc(void); 485 486 /* stdout */ 487 void putc(const char c); 488 void puts(const char *s); 489 void printf(const char *fmt, ...); 490 void vprintf(const char *fmt, va_list args); 491 492 /* stderr */ 493 #define eputc(c) fputc(stderr, c) 494 #define eputs(s) fputs(stderr, s) 495 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 496 497 /* 498 * FILE based functions (can only be used AFTER relocation!) 499 */ 500 501 #define stdin 0 502 #define stdout 1 503 #define stderr 2 504 #define MAX_FILES 3 505 506 void fprintf(int file, const char *fmt, ...); 507 void fputs(int file, const char *s); 508 void fputc(int file, const char c); 509 int ftstc(int file); 510 int fgetc(int file); 511 512 int pcmcia_init (void); 513 514 #ifdef CONFIG_SHOW_BOOT_PROGRESS 515 void show_boot_progress (int status); 516 #endif 517 518 #endif /* __COMMON_H_ */ 519