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 #ifdef CONFIG_8xx 45 #include <asm/8xx_immap.h> 46 #ifdef CONFIG_MPC860 47 #define CONFIG_MPC86x 1 48 #endif 49 #ifdef CONFIG_MPC860T 50 #define CONFIG_MPC86x 1 51 #endif 52 #if defined(CONFIG_MPC852) || defined(CONFIG_MPC852T) || \ 53 defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 54 defined(CONFIG_MPC859DSL) || \ 55 defined(CONFIG_MPC866) || defined(CONFIG_MPC866T) || \ 56 defined(CONFIG_MPC866P) 57 #define CONFIG_MPC866_et_al 1 58 #define CONFIG_MPC86x 1 59 #endif 60 #elif defined(CONFIG_5xx) 61 #include <asm/5xx_immap.h> 62 #elif defined(CONFIG_8260) 63 #include <asm/immap_8260.h> 64 #endif 65 #ifdef CONFIG_MPC85xx 66 #include <mpc85xx.h> 67 #include <asm/immap_85xx.h> 68 #endif 69 #ifdef CONFIG_4xx 70 #include <ppc4xx.h> 71 #endif 72 #ifdef CONFIG_HYMOD 73 #include <board/hymod/hymod.h> 74 #endif 75 #ifdef CONFIG_ARM 76 #define asmlinkage /* nothing */ 77 #endif 78 79 #include <part.h> 80 #include <flash.h> 81 #include <image.h> 82 83 #ifdef DEBUG 84 #define debug(fmt,args...) printf (fmt ,##args) 85 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 86 #else 87 #define debug(fmt,args...) 88 #define debugX(level,fmt,args...) 89 #endif /* DEBUG */ 90 91 typedef void (interrupt_handler_t)(void *); 92 93 #include <asm/u-boot.h> /* boot information for Linux kernel */ 94 #include <asm/global_data.h> /* global data used for startup functions */ 95 96 /* 97 * enable common handling for all TQM8xxL/M boards: 98 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 99 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 100 */ 101 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 102 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 103 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 104 # ifndef CONFIG_TQM8xxM 105 # define CONFIG_TQM8xxM 106 # endif 107 #endif 108 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 109 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 110 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 111 # ifndef CONFIG_TQM8xxL 112 # define CONFIG_TQM8xxL 113 # endif 114 #endif 115 116 117 /* 118 * General Purpose Utilities 119 */ 120 #define min(X, Y) \ 121 ({ typeof (X) __x = (X), __y = (Y); \ 122 (__x < __y) ? __x : __y; }) 123 124 #define max(X, Y) \ 125 ({ typeof (X) __x = (X), __y = (Y); \ 126 (__x > __y) ? __x : __y; }) 127 128 129 /* 130 * Function Prototypes 131 */ 132 133 #if CONFIG_SERIAL_SOFTWARE_FIFO 134 void serial_buffered_init (void); 135 void serial_buffered_putc (const char); 136 void serial_buffered_puts (const char *); 137 int serial_buffered_getc (void); 138 int serial_buffered_tstc (void); 139 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 140 141 void hang (void) __attribute__ ((noreturn)); 142 143 /* */ 144 long int initdram (int); 145 int display_options (void); 146 void print_size (ulong, const char *); 147 148 /* common/main.c */ 149 void main_loop (void); 150 int run_command (const char *cmd, int flag); 151 int readline (const char *const prompt); 152 void init_cmd_timeout(void); 153 void reset_cmd_timeout(void); 154 155 /* lib_$(ARCH)/board.c */ 156 void board_init_f (ulong); 157 void board_init_r (gd_t *, ulong); 158 int checkboard (void); 159 int checkflash (void); 160 int checkdram (void); 161 char * strmhz(char *buf, long hz); 162 int last_stage_init(void); 163 extern ulong monitor_flash_len; 164 165 /* common/flash.c */ 166 void flash_perror (int); 167 168 /* common/cmd_autoscript.c */ 169 int autoscript (ulong addr); 170 171 /* common/cmd_bootm.c */ 172 void print_image_hdr (image_header_t *hdr); 173 174 extern ulong load_addr; /* Default Load Address */ 175 176 /* common/cmd_nvedit.c */ 177 int env_init (void); 178 void env_relocate (void); 179 char *getenv (uchar *); 180 int getenv_r (uchar *name, uchar *buf, unsigned len); 181 int saveenv (void); 182 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 183 void inline setenv (char *, char *); 184 #else 185 void setenv (char *, char *); 186 #endif /* CONFIG_PPC */ 187 #ifdef CONFIG_ARM 188 # include <asm/setup.h> 189 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 190 #endif /* CONFIG_ARM */ 191 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 192 # include <asm/u-boot-i386.h> 193 #endif /* CONFIG_I386 */ 194 195 void pci_init (void); 196 void pci_init_board(void); 197 void pciinfo (int, int); 198 199 #if defined(CONFIG_PCI) && defined(CONFIG_440) 200 # if defined(CFG_PCI_PRE_INIT) 201 int pci_pre_init (struct pci_controller * ); 202 # endif 203 # if defined(CFG_PCI_TARGET_INIT) 204 void pci_target_init (struct pci_controller *); 205 # endif 206 # if defined(CFG_PCI_MASTER_INIT) 207 void pci_master_init (struct pci_controller *); 208 # endif 209 int is_pci_host (struct pci_controller *); 210 #endif 211 212 int misc_init_f (void); 213 int misc_init_r (void); 214 215 /* common/exports.c */ 216 void jumptable_init(void); 217 218 /* $(BOARD)/$(BOARD).c */ 219 void reset_phy (void); 220 void fdc_hw_init (void); 221 222 /* $(BOARD)/eeprom.c */ 223 void eeprom_init (void); 224 #ifndef CONFIG_SPI 225 int eeprom_probe (unsigned dev_addr, unsigned offset); 226 #endif 227 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 228 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 229 #ifdef CONFIG_LWMON 230 extern uchar pic_read (uchar reg); 231 extern void pic_write (uchar reg, uchar val); 232 #endif 233 234 /* 235 * Set this up regardless of board 236 * type, to prevent errors. 237 */ 238 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 239 # define CFG_DEF_EEPROM_ADDR 0 240 #else 241 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 242 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 243 244 #if defined(CONFIG_SPI) 245 extern void spi_init_f (void); 246 extern void spi_init_r (void); 247 extern ssize_t spi_read (uchar *, int, uchar *, int); 248 extern ssize_t spi_write (uchar *, int, uchar *, int); 249 #endif 250 251 #ifdef CONFIG_RPXCLASSIC 252 void rpxclassic_init (void); 253 #endif 254 255 #ifdef CONFIG_MBX 256 /* $(BOARD)/mbx8xx.c */ 257 void mbx_init (void); 258 void board_serial_init (void); 259 void board_ether_init (void); 260 #endif 261 262 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210) 263 void board_get_enetaddr (uchar *addr); 264 #endif 265 266 #ifdef CONFIG_HERMES 267 /* $(BOARD)/hermes.c */ 268 void hermes_start_lxt980 (int speed); 269 #endif 270 271 #ifdef CONFIG_EVB64260 272 void evb64260_init(void); 273 void debug_led(int, int); 274 void display_mem_map(void); 275 void perform_soft_reset(void); 276 #endif 277 278 void load_sernum_ethaddr (void); 279 280 /* $(BOARD)/$(BOARD).c */ 281 int board_pre_init (void); 282 int board_post_init (void); 283 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 284 void board_poweroff (void); 285 286 #if defined(CFG_DRAM_TEST) 287 int testdram(void); 288 #endif /* CFG_DRAM_TEST */ 289 290 /* $(CPU)/start.S */ 291 #if defined(CONFIG_5xx) || \ 292 defined(CONFIG_8xx) 293 uint get_immr (uint); 294 #endif 295 uint get_pir (void); 296 uint get_pvr (void); 297 uint rd_ic_cst (void); 298 void wr_ic_cst (uint); 299 void wr_ic_adr (uint); 300 uint rd_dc_cst (void); 301 void wr_dc_cst (uint); 302 void wr_dc_adr (uint); 303 int icache_status (void); 304 void icache_enable (void); 305 void icache_disable(void); 306 int dcache_status (void); 307 void dcache_enable (void); 308 void dcache_disable(void); 309 void relocate_code (ulong, gd_t *, ulong); 310 ulong get_endaddr (void); 311 void trap_init (ulong); 312 #if defined (CONFIG_4xx) || \ 313 defined (CONFIG_74xx_7xx) || \ 314 defined (CONFIG_74x) || \ 315 defined (CONFIG_75x) || \ 316 defined (CONFIG_74xx) 317 unsigned char in8(unsigned int); 318 void out8(unsigned int, unsigned char); 319 unsigned short in16(unsigned int); 320 unsigned short in16r(unsigned int); 321 void out16(unsigned int, unsigned short value); 322 void out16r(unsigned int, unsigned short value); 323 unsigned long in32(unsigned int); 324 unsigned long in32r(unsigned int); 325 void out32(unsigned int, unsigned long value); 326 void out32r(unsigned int, unsigned long value); 327 void ppcDcbf(unsigned long value); 328 void ppcDcbi(unsigned long value); 329 void ppcSync(void); 330 #endif 331 332 /* $(CPU)/cpu.c */ 333 int checkcpu (void); 334 int checkicache (void); 335 int checkdcache (void); 336 void upmconfig (unsigned int, unsigned int *, unsigned int); 337 ulong get_tbclk (void); 338 339 /* $(CPU)/serial.c */ 340 int serial_init (void); 341 void serial_setbrg (void); 342 void serial_putc (const char); 343 void serial_puts (const char *); 344 void serial_addr (unsigned int); 345 int serial_getc (void); 346 int serial_tstc (void); 347 348 /* $(CPU)/speed.c */ 349 int get_clocks (void); 350 #if defined(CONFIG_8260) 351 int prt_8260_clks (void); 352 #endif 353 #if defined(CONFIG_MPC5XXX) 354 int prt_mpc5xxx_clks (void); 355 #endif 356 #ifdef CONFIG_4xx 357 ulong get_OPB_freq (void); 358 ulong get_PCI_freq (void); 359 #endif 360 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) 361 ulong get_FCLK (void); 362 ulong get_HCLK (void); 363 ulong get_PCLK (void); 364 ulong get_UCLK (void); 365 #endif 366 #if defined CONFIG_INCA_IP 367 uint incaip_get_cpuclk (void); 368 #endif 369 ulong get_bus_freq (ulong); 370 371 #if defined(CONFIG_MPC85xx) 372 typedef MPC85xx_SYS_INFO sys_info_t; 373 void get_sys_info ( sys_info_t * ); 374 #endif 375 376 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 377 # if defined(CONFIG_440) 378 typedef PPC440_SYS_INFO sys_info_t; 379 # else 380 typedef PPC405_SYS_INFO sys_info_t; 381 # endif 382 void get_sys_info ( sys_info_t * ); 383 #endif 384 385 /* $(CPU)/cpu_init.c */ 386 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 387 void cpu_init_f (volatile immap_t *immr); 388 #endif 389 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) 390 void cpu_init_f (void); 391 #endif 392 int cpu_init_r (void); 393 #if defined(CONFIG_8260) 394 int prt_8260_rsr (void); 395 #endif 396 397 /* $(CPU)/interrupts.c */ 398 int interrupt_init (void); 399 void timer_interrupt (struct pt_regs *); 400 void external_interrupt (struct pt_regs *); 401 void irq_install_handler(int, interrupt_handler_t *, void *); 402 void irq_free_handler (int); 403 void reset_timer (void); 404 ulong get_timer (ulong base); 405 void set_timer (ulong t); 406 void enable_interrupts (void); 407 int disable_interrupts (void); 408 409 /* $(CPU)/.../commproc.c */ 410 int dpram_init (void); 411 uint dpram_base(void); 412 uint dpram_base_align(uint align); 413 uint dpram_alloc(uint size); 414 uint dpram_alloc_align(uint size,uint align); 415 void post_word_store (ulong); 416 ulong post_word_load (void); 417 void bootcount_store (ulong); 418 ulong bootcount_load (void); 419 #define BOOTCOUNT_MAGIC 0xB001C041 420 421 /* $(CPU)/.../<eth> */ 422 void mii_init (void); 423 424 /* $(CPU)/.../lcd.c */ 425 ulong lcd_setmem (ulong); 426 427 /* $(CPU)/.../vfd.c */ 428 ulong vfd_setmem (ulong); 429 430 /* $(CPU)/.../video.c */ 431 ulong video_setmem (ulong); 432 433 /* ppc/cache.c */ 434 void flush_cache (unsigned long, unsigned long); 435 436 437 /* lib_$(ARCH)/ticks.S */ 438 unsigned long long get_ticks(void); 439 void wait_ticks (unsigned long); 440 441 /* lib_$(ARCH)/time.c */ 442 void udelay (unsigned long); 443 ulong usec2ticks (unsigned long usec); 444 ulong ticks2usec (unsigned long ticks); 445 int init_timebase (void); 446 447 /* lib_generic/vsprintf.c */ 448 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 449 long simple_strtol(const char *cp,char **endp,unsigned int base); 450 void panic(const char *fmt, ...); 451 int sprintf(char * buf, const char *fmt, ...); 452 int vsprintf(char *buf, const char *fmt, va_list args); 453 454 /* lib_generic/crc32.c */ 455 ulong crc32 (ulong, const unsigned char *, uint); 456 ulong crc32_no_comp (ulong, const unsigned char *, uint); 457 458 /* common/console.c */ 459 int console_init_f(void); /* Before relocation; uses the serial stuff */ 460 int console_init_r(void); /* After relocation; uses the console stuff */ 461 int console_assign (int file, char *devname); /* Assign the console */ 462 int ctrlc (void); 463 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 464 void clear_ctrlc (void); /* clear the Control-C condition */ 465 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 466 467 /* 468 * STDIO based functions (can always be used) 469 */ 470 471 /* serial stuff */ 472 void serial_printf (const char *fmt, ...); 473 474 /* stdin */ 475 int getc(void); 476 int tstc(void); 477 478 /* stdout */ 479 void putc(const char c); 480 void puts(const char *s); 481 void printf(const char *fmt, ...); 482 void vprintf(const char *fmt, va_list args); 483 484 /* stderr */ 485 #define eputc(c) fputc(stderr, c) 486 #define eputs(s) fputs(stderr, s) 487 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 488 489 /* 490 * FILE based functions (can only be used AFTER relocation!) 491 */ 492 493 #define stdin 0 494 #define stdout 1 495 #define stderr 2 496 #define MAX_FILES 3 497 498 void fprintf(int file, const char *fmt, ...); 499 void fputs(int file, const char *s); 500 void fputc(int file, const char c); 501 int ftstc(int file); 502 int fgetc(int file); 503 504 int pcmcia_init (void); 505 506 #ifdef CONFIG_SHOW_BOOT_PROGRESS 507 void show_boot_progress (int status); 508 #endif 509 510 #endif /* __COMMON_H_ */ 511