1 /* 2 * (C) Copyright 2000-2002 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_MPC866P) || \ 53 defined(CONFIG_MPC866T) || \ 54 defined(CONFIG_MPC859T) || \ 55 defined(CONFIG_MPC859DSL) || \ 56 defined(CONFIG_MPC852T) 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) 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/u-boot-arm.h> /* ARM version to be fixed! */ 189 #endif /* CONFIG_ARM */ 190 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 191 # include <asm/u-boot-i386.h> 192 #endif /* CONFIG_I386 */ 193 194 void pci_init (void); 195 void pci_init_board(void); 196 void pciinfo (int, int); 197 198 #if defined(CONFIG_PCI) && defined(CONFIG_440) 199 # if defined(CFG_PCI_PRE_INIT) 200 int pci_pre_init (struct pci_controller * ); 201 # endif 202 # if defined(CFG_PCI_TARGET_INIT) 203 void pci_target_init (struct pci_controller *); 204 # endif 205 # if defined(CFG_PCI_MASTER_INIT) 206 void pci_master_init (struct pci_controller *); 207 # endif 208 int is_pci_host (struct pci_controller *); 209 #endif 210 211 int misc_init_f (void); 212 int misc_init_r (void); 213 214 /* common/exports.c */ 215 void jumptable_init(void); 216 217 /* $(BOARD)/$(BOARD).c */ 218 void reset_phy (void); 219 void fdc_hw_init (void); 220 221 /* $(BOARD)/eeprom.c */ 222 void eeprom_init (void); 223 #ifndef CONFIG_SPI 224 int eeprom_probe (unsigned dev_addr, unsigned offset); 225 #endif 226 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 227 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 228 #ifdef CONFIG_LWMON 229 extern uchar pic_read (uchar reg); 230 extern void pic_write (uchar reg, uchar val); 231 #endif 232 233 /* 234 * Set this up regardless of board 235 * type, to prevent errors. 236 */ 237 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 238 # define CFG_DEF_EEPROM_ADDR 0 239 #else 240 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 241 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 242 243 #if defined(CONFIG_SPI) 244 extern void spi_init_f (void); 245 extern void spi_init_r (void); 246 extern ssize_t spi_read (uchar *, int, uchar *, int); 247 extern ssize_t spi_write (uchar *, int, uchar *, int); 248 #endif 249 250 #ifdef CONFIG_RPXCLASSIC 251 void rpxclassic_init (void); 252 #endif 253 254 #ifdef CONFIG_MBX 255 /* $(BOARD)/mbx8xx.c */ 256 void mbx_init (void); 257 void board_serial_init (void); 258 void board_ether_init (void); 259 #endif 260 261 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210) 262 void board_get_enetaddr (uchar *addr); 263 #endif 264 265 #ifdef CONFIG_HERMES 266 /* $(BOARD)/hermes.c */ 267 void hermes_start_lxt980 (int speed); 268 #endif 269 270 #ifdef CONFIG_EVB64260 271 void evb64260_init(void); 272 void debug_led(int, int); 273 void display_mem_map(void); 274 void perform_soft_reset(void); 275 #endif 276 277 void load_sernum_ethaddr (void); 278 279 /* $(BOARD)/$(BOARD).c */ 280 int board_pre_init (void); 281 int board_post_init (void); 282 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 283 void board_poweroff (void); 284 285 #if defined(CFG_DRAM_TEST) 286 int testdram(void); 287 #endif /* CFG_DRAM_TEST */ 288 289 /* $(CPU)/start.S */ 290 #if defined(CONFIG_5xx) || \ 291 defined(CONFIG_8xx) 292 uint get_immr (uint); 293 #endif 294 uint get_pir (void); 295 uint get_pvr (void); 296 uint rd_ic_cst (void); 297 void wr_ic_cst (uint); 298 void wr_ic_adr (uint); 299 uint rd_dc_cst (void); 300 void wr_dc_cst (uint); 301 void wr_dc_adr (uint); 302 int icache_status (void); 303 void icache_enable (void); 304 void icache_disable(void); 305 int dcache_status (void); 306 void dcache_enable (void); 307 void dcache_disable(void); 308 void relocate_code (ulong, gd_t *, ulong); 309 ulong get_endaddr (void); 310 void trap_init (ulong); 311 #if defined (CONFIG_4xx) || \ 312 defined (CONFIG_74xx_7xx) || \ 313 defined (CONFIG_74x) || \ 314 defined (CONFIG_75x) || \ 315 defined (CONFIG_74xx) 316 unsigned char in8(unsigned int); 317 void out8(unsigned int, unsigned char); 318 unsigned short in16(unsigned int); 319 unsigned short in16r(unsigned int); 320 void out16(unsigned int, unsigned short value); 321 void out16r(unsigned int, unsigned short value); 322 unsigned long in32(unsigned int); 323 unsigned long in32r(unsigned int); 324 void out32(unsigned int, unsigned long value); 325 void out32r(unsigned int, unsigned long value); 326 void ppcDcbf(unsigned long value); 327 void ppcDcbi(unsigned long value); 328 void ppcSync(void); 329 #endif 330 331 /* $(CPU)/cpu.c */ 332 int checkcpu (void); 333 int checkicache (void); 334 int checkdcache (void); 335 void upmconfig (unsigned int, unsigned int *, unsigned int); 336 ulong get_tbclk (void); 337 338 /* $(CPU)/serial.c */ 339 int serial_init (void); 340 void serial_setbrg (void); 341 void serial_putc (const char); 342 void serial_puts (const char *); 343 void serial_addr (unsigned int); 344 int serial_getc (void); 345 int serial_tstc (void); 346 347 /* $(CPU)/speed.c */ 348 int get_clocks (void); 349 #if defined(CONFIG_8260) 350 int prt_8260_clks (void); 351 #endif 352 #if defined(CONFIG_MPC5XXX) 353 int prt_mpc5xxx_clks (void); 354 #endif 355 #ifdef CONFIG_4xx 356 ulong get_OPB_freq (void); 357 ulong get_PCI_freq (void); 358 #endif 359 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) 360 ulong get_FCLK (void); 361 ulong get_HCLK (void); 362 ulong get_PCLK (void); 363 ulong get_UCLK (void); 364 #endif 365 #if defined CONFIG_INCA_IP 366 uint incaip_get_cpuclk (void); 367 #endif 368 ulong get_bus_freq (ulong); 369 370 #if defined(CONFIG_MPC85xx) 371 typedef MPC85xx_SYS_INFO sys_info_t; 372 void get_sys_info ( sys_info_t * ); 373 #endif 374 375 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 376 # if defined(CONFIG_440) 377 typedef PPC440_SYS_INFO sys_info_t; 378 # else 379 typedef PPC405_SYS_INFO sys_info_t; 380 # endif 381 void get_sys_info ( sys_info_t * ); 382 #endif 383 384 /* $(CPU)/cpu_init.c */ 385 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 386 void cpu_init_f (volatile immap_t *immr); 387 #endif 388 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) 389 void cpu_init_f (void); 390 #endif 391 int cpu_init_r (void); 392 #if defined(CONFIG_8260) 393 int prt_8260_rsr (void); 394 #endif 395 396 /* $(CPU)/interrupts.c */ 397 int interrupt_init (void); 398 void timer_interrupt (struct pt_regs *); 399 void external_interrupt (struct pt_regs *); 400 void irq_install_handler(int, interrupt_handler_t *, void *); 401 void irq_free_handler (int); 402 void reset_timer (void); 403 ulong get_timer (ulong base); 404 void set_timer (ulong t); 405 void enable_interrupts (void); 406 int disable_interrupts (void); 407 408 /* $(CPU)/.../commproc.c */ 409 int dpram_init (void); 410 uint dpram_base(void); 411 uint dpram_base_align(uint align); 412 uint dpram_alloc(uint size); 413 uint dpram_alloc_align(uint size,uint align); 414 void post_word_store (ulong); 415 ulong post_word_load (void); 416 void bootcount_store (ulong); 417 ulong bootcount_load (void); 418 #define BOOTCOUNT_MAGIC 0xB001C041 419 420 /* $(CPU)/.../<eth> */ 421 void mii_init (void); 422 423 /* $(CPU)/.../lcd.c */ 424 ulong lcd_setmem (ulong); 425 426 /* $(CPU)/.../vfd.c */ 427 ulong vfd_setmem (ulong); 428 429 /* $(CPU)/.../video.c */ 430 ulong video_setmem (ulong); 431 432 /* ppc/cache.c */ 433 void flush_cache (unsigned long, unsigned long); 434 435 436 /* lib_$(ARCH)/ticks.S */ 437 unsigned long long get_ticks(void); 438 void wait_ticks (unsigned long); 439 440 /* lib_$(ARCH)/time.c */ 441 void udelay (unsigned long); 442 ulong usec2ticks (unsigned long usec); 443 ulong ticks2usec (unsigned long ticks); 444 int init_timebase (void); 445 446 /* lib_generic/vsprintf.c */ 447 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 448 long simple_strtol(const char *cp,char **endp,unsigned int base); 449 void panic(const char *fmt, ...); 450 int sprintf(char * buf, const char *fmt, ...); 451 int vsprintf(char *buf, const char *fmt, va_list args); 452 453 /* lib_generic/crc32.c */ 454 ulong crc32 (ulong, const unsigned char *, uint); 455 ulong crc32_no_comp (ulong, const unsigned char *, uint); 456 457 /* common/console.c */ 458 int console_init_f(void); /* Before relocation; uses the serial stuff */ 459 int console_init_r(void); /* After relocation; uses the console stuff */ 460 int console_assign (int file, char *devname); /* Assign the console */ 461 int ctrlc (void); 462 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 463 void clear_ctrlc (void); /* clear the Control-C condition */ 464 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 465 466 /* 467 * STDIO based functions (can always be used) 468 */ 469 470 /* serial stuff */ 471 void serial_printf (const char *fmt, ...); 472 473 /* stdin */ 474 int getc(void); 475 int tstc(void); 476 477 /* stdout */ 478 void putc(const char c); 479 void puts(const char *s); 480 void printf(const char *fmt, ...); 481 void vprintf(const char *fmt, va_list args); 482 483 /* stderr */ 484 #define eputc(c) fputc(stderr, c) 485 #define eputs(s) fputs(stderr, s) 486 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 487 488 /* 489 * FILE based functions (can only be used AFTER relocation!) 490 */ 491 492 #define stdin 0 493 #define stdout 1 494 #define stderr 2 495 #define MAX_FILES 3 496 497 void fprintf(int file, const char *fmt, ...); 498 void fputs(int file, const char *s); 499 void fputc(int file, const char c); 500 int ftstc(int file); 501 int fgetc(int file); 502 503 int pcmcia_init (void); 504 505 #ifdef CONFIG_SHOW_BOOT_PROGRESS 506 void show_boot_progress (int status); 507 #endif 508 509 #endif /* __COMMON_H_ */ 510