1 /* 2 * (C) Copyright 2000-2007 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_4xx) && !defined(CONFIG_AP1000)) 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_MPC5xxx) 67 #include <mpc5xxx.h> 68 #elif defined(CONFIG_MPC512X) 69 #include <mpc512x.h> 70 #include <asm/immap_512x.h> 71 #elif defined(CONFIG_MPC8220) 72 #include <asm/immap_8220.h> 73 #elif defined(CONFIG_8260) 74 #if defined(CONFIG_MPC8247) \ 75 || defined(CONFIG_MPC8248) \ 76 || defined(CONFIG_MPC8271) \ 77 || defined(CONFIG_MPC8272) 78 #define CONFIG_MPC8272_FAMILY 1 79 #endif 80 #if defined(CONFIG_MPC8272_FAMILY) 81 #define CONFIG_MPC8260 1 82 #endif 83 #include <asm/immap_8260.h> 84 #endif 85 #ifdef CONFIG_MPC86xx 86 #include <mpc86xx.h> 87 #include <asm/immap_86xx.h> 88 #endif 89 #ifdef CONFIG_MPC85xx 90 #include <mpc85xx.h> 91 #include <asm/immap_85xx.h> 92 #endif 93 #ifdef CONFIG_MPC83XX 94 #include <mpc83xx.h> 95 #include <asm/immap_83xx.h> 96 #endif 97 #ifdef CONFIG_4xx 98 #include <ppc4xx.h> 99 #endif 100 #ifdef CONFIG_HYMOD 101 #include <board/hymod/hymod.h> 102 #endif 103 #ifdef CONFIG_ARM 104 #define asmlinkage /* nothing */ 105 #endif 106 107 #include <part.h> 108 #include <flash.h> 109 #include <image.h> 110 111 #ifdef DEBUG 112 #define debug(fmt,args...) printf (fmt ,##args) 113 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 114 #else 115 #define debug(fmt,args...) 116 #define debugX(level,fmt,args...) 117 #endif /* DEBUG */ 118 119 #define BUG() do { \ 120 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 121 panic("BUG!"); \ 122 } while (0) 123 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 124 125 typedef void (interrupt_handler_t)(void *); 126 127 #include <asm/u-boot.h> /* boot information for Linux kernel */ 128 #include <asm/global_data.h> /* global data used for startup functions */ 129 130 /* 131 * enable common handling for all TQM8xxL/M boards: 132 * - CONFIG_TQM8xxM will be defined for all TQM8xxM and TQM885D boards 133 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 134 */ 135 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 136 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 137 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) || \ 138 defined(CONFIG_TQM885D) 139 # ifndef CONFIG_TQM8xxM 140 # define CONFIG_TQM8xxM 141 # endif 142 #endif 143 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 144 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 145 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 146 # ifndef CONFIG_TQM8xxL 147 # define CONFIG_TQM8xxL 148 # endif 149 #endif 150 151 #ifndef CONFIG_SERIAL_MULTI 152 153 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 154 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 155 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 156 157 #define CONFIG_SERIAL_MULTI 1 158 159 #endif 160 161 #endif /* CONFIG_SERIAL_MULTI */ 162 163 /* 164 * General Purpose Utilities 165 */ 166 #define min(X, Y) \ 167 ({ typeof (X) __x = (X), __y = (Y); \ 168 (__x < __y) ? __x : __y; }) 169 170 #define max(X, Y) \ 171 ({ typeof (X) __x = (X), __y = (Y); \ 172 (__x > __y) ? __x : __y; }) 173 174 175 /* 176 * Function Prototypes 177 */ 178 179 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO 180 void serial_buffered_init (void); 181 void serial_buffered_putc (const char); 182 void serial_buffered_puts (const char *); 183 int serial_buffered_getc (void); 184 int serial_buffered_tstc (void); 185 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 186 187 void hang (void) __attribute__ ((noreturn)); 188 189 /* */ 190 long int initdram (int); 191 int display_options (void); 192 void print_size (ulong, const char *); 193 int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); 194 195 /* common/main.c */ 196 void main_loop (void); 197 int run_command (const char *cmd, int flag); 198 int readline (const char *const prompt); 199 void init_cmd_timeout(void); 200 void reset_cmd_timeout(void); 201 202 /* lib_$(ARCH)/board.c */ 203 void board_init_f (ulong); 204 void board_init_r (gd_t *, ulong); 205 int checkboard (void); 206 int checkflash (void); 207 int checkdram (void); 208 char * strmhz(char *buf, long hz); 209 int last_stage_init(void); 210 extern ulong monitor_flash_len; 211 #ifdef CFG_ID_EEPROM 212 int mac_read_from_eeprom(void); 213 #endif 214 215 /* common/flash.c */ 216 void flash_perror (int); 217 218 /* common/cmd_autoscript.c */ 219 int autoscript (ulong addr); 220 221 /* common/cmd_bootm.c */ 222 void print_image_hdr (image_header_t *hdr); 223 224 extern ulong load_addr; /* Default Load Address */ 225 226 /* common/cmd_nvedit.c */ 227 int env_init (void); 228 void env_relocate (void); 229 char *getenv (char *); 230 int getenv_r (char *name, char *buf, unsigned len); 231 int saveenv (void); 232 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 233 void inline setenv (char *, char *); 234 #else 235 void setenv (char *, char *); 236 #endif /* CONFIG_PPC */ 237 #ifdef CONFIG_ARM 238 # include <asm/mach-types.h> 239 # include <asm/setup.h> 240 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 241 #endif /* CONFIG_ARM */ 242 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 243 # include <asm/u-boot-i386.h> 244 #endif /* CONFIG_I386 */ 245 246 #ifdef CONFIG_AUTO_COMPLETE 247 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 248 #endif 249 250 void pci_init (void); 251 void pci_init_board(void); 252 void pciinfo (int, int); 253 254 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 255 int pci_pre_init (struct pci_controller * ); 256 #endif 257 258 #if defined(CONFIG_PCI) && defined(CONFIG_440) 259 # if defined(CFG_PCI_TARGET_INIT) 260 void pci_target_init (struct pci_controller *); 261 # endif 262 # if defined(CFG_PCI_MASTER_INIT) 263 void pci_master_init (struct pci_controller *); 264 # endif 265 int is_pci_host (struct pci_controller *); 266 #if defined(CONFIG_440SPE) 267 void pcie_setup_hoses(void); 268 #endif 269 #endif 270 271 int misc_init_f (void); 272 int misc_init_r (void); 273 274 /* common/exports.c */ 275 void jumptable_init(void); 276 277 /* common/memsize.c */ 278 long get_ram_size (volatile long *, long); 279 280 /* $(BOARD)/$(BOARD).c */ 281 void reset_phy (void); 282 void fdc_hw_init (void); 283 284 /* $(BOARD)/eeprom.c */ 285 void eeprom_init (void); 286 #ifndef CONFIG_SPI 287 int eeprom_probe (unsigned dev_addr, unsigned offset); 288 #endif 289 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 290 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 291 #ifdef CONFIG_LWMON 292 extern uchar pic_read (uchar reg); 293 extern void pic_write (uchar reg, uchar val); 294 #endif 295 296 /* 297 * Set this up regardless of board 298 * type, to prevent errors. 299 */ 300 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 301 # define CFG_DEF_EEPROM_ADDR 0 302 #else 303 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 304 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 305 306 #if defined(CONFIG_SPI) 307 extern void spi_init_f (void); 308 extern void spi_init_r (void); 309 extern ssize_t spi_read (uchar *, int, uchar *, int); 310 extern ssize_t spi_write (uchar *, int, uchar *, int); 311 #endif 312 313 #ifdef CONFIG_RPXCLASSIC 314 void rpxclassic_init (void); 315 #endif 316 317 void rpxlite_init (void); 318 319 #ifdef CONFIG_MBX 320 /* $(BOARD)/mbx8xx.c */ 321 void mbx_init (void); 322 void board_serial_init (void); 323 void board_ether_init (void); 324 #endif 325 326 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || \ 327 defined(CONFIG_IAD210) || defined(CONFIG_XPEDITE1K) || \ 328 defined(CONFIG_METROBOX) || defined(CONFIG_KAREF) || \ 329 defined(CONFIG_V38B) 330 void board_get_enetaddr (uchar *addr); 331 #endif 332 333 #ifdef CONFIG_HERMES 334 /* $(BOARD)/hermes.c */ 335 void hermes_start_lxt980 (int speed); 336 #endif 337 338 #ifdef CONFIG_EVB64260 339 void evb64260_init(void); 340 void debug_led(int, int); 341 void display_mem_map(void); 342 void perform_soft_reset(void); 343 #endif 344 345 void load_sernum_ethaddr (void); 346 347 /* $(BOARD)/$(BOARD).c */ 348 int board_early_init_f (void); 349 int board_late_init (void); 350 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 351 int board_early_init_r (void); 352 void board_poweroff (void); 353 354 #if defined(CFG_DRAM_TEST) 355 int testdram(void); 356 #endif /* CFG_DRAM_TEST */ 357 358 /* $(CPU)/start.S */ 359 #if defined(CONFIG_5xx) || \ 360 defined(CONFIG_8xx) 361 uint get_immr (uint); 362 #endif 363 uint get_pir (void); 364 #if defined(CONFIG_MPC5xxx) 365 uint get_svr (void); 366 #endif 367 uint get_pvr (void); 368 uint get_svr (void); 369 uint rd_ic_cst (void); 370 void wr_ic_cst (uint); 371 void wr_ic_adr (uint); 372 uint rd_dc_cst (void); 373 void wr_dc_cst (uint); 374 void wr_dc_adr (uint); 375 int icache_status (void); 376 void icache_enable (void); 377 void icache_disable(void); 378 int dcache_status (void); 379 void dcache_enable (void); 380 void dcache_disable(void); 381 void relocate_code (ulong, gd_t *, ulong); 382 ulong get_endaddr (void); 383 void trap_init (ulong); 384 #if defined (CONFIG_4xx) || \ 385 defined (CONFIG_MPC5xxx) || \ 386 defined (CONFIG_74xx_7xx) || \ 387 defined (CONFIG_74x) || \ 388 defined (CONFIG_75x) || \ 389 defined (CONFIG_74xx) || \ 390 defined (CONFIG_MPC8220) || \ 391 defined (CONFIG_MPC85xx) || \ 392 defined (CONFIG_MPC86xx) || \ 393 defined (CONFIG_MPC83XX) 394 unsigned char in8(unsigned int); 395 void out8(unsigned int, unsigned char); 396 unsigned short in16(unsigned int); 397 unsigned short in16r(unsigned int); 398 void out16(unsigned int, unsigned short value); 399 void out16r(unsigned int, unsigned short value); 400 unsigned long in32(unsigned int); 401 unsigned long in32r(unsigned int); 402 void out32(unsigned int, unsigned long value); 403 void out32r(unsigned int, unsigned long value); 404 void ppcDcbf(unsigned long value); 405 void ppcDcbi(unsigned long value); 406 void ppcSync(void); 407 void ppcDcbz(unsigned long value); 408 #endif 409 #if defined (CONFIG_MICROBLAZE) 410 unsigned short in16(unsigned int); 411 void out16(unsigned int, unsigned short value); 412 #endif 413 414 #if defined (CONFIG_MPC83XX) 415 void ppcDWload(unsigned int *addr, unsigned int *ret); 416 void ppcDWstore(unsigned int *addr, unsigned int *value); 417 #endif 418 419 /* $(CPU)/cpu.c */ 420 int checkcpu (void); 421 int checkicache (void); 422 int checkdcache (void); 423 void upmconfig (unsigned int, unsigned int *, unsigned int); 424 ulong get_tbclk (void); 425 void reset_cpu (ulong addr); 426 427 /* $(CPU)/serial.c */ 428 int serial_init (void); 429 void serial_addr (unsigned int); 430 void serial_setbrg (void); 431 void serial_putc (const char); 432 void serial_putc_raw(const char); 433 void serial_puts (const char *); 434 int serial_getc (void); 435 int serial_tstc (void); 436 437 void _serial_setbrg (const int); 438 void _serial_putc (const char, const int); 439 void _serial_putc_raw(const char, const int); 440 void _serial_puts (const char *, const int); 441 int _serial_getc (const int); 442 int _serial_tstc (const int); 443 444 /* $(CPU)/speed.c */ 445 int get_clocks (void); 446 int get_clocks_866 (void); 447 int sdram_adjust_866 (void); 448 int adjust_sdram_tbs_8xx (void); 449 #if defined(CONFIG_8260) 450 int prt_8260_clks (void); 451 #elif defined(CONFIG_MPC5xxx) 452 int prt_mpc5xxx_clks (void); 453 #endif 454 #if defined(CONFIG_MPC512x) 455 int prt_mpc512xxx_clks (void); 456 #endif 457 #if defined(CONFIG_MPC8220) 458 int prt_mpc8220_clks (void); 459 #endif 460 #ifdef CONFIG_4xx 461 ulong get_OPB_freq (void); 462 ulong get_PCI_freq (void); 463 #endif 464 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) || defined(CONFIG_LH7A40X) 465 ulong get_FCLK (void); 466 ulong get_HCLK (void); 467 ulong get_PCLK (void); 468 ulong get_UCLK (void); 469 #endif 470 #if defined(CONFIG_LH7A40X) 471 ulong get_PLLCLK (void); 472 #endif 473 #if defined CONFIG_INCA_IP 474 uint incaip_get_cpuclk (void); 475 #endif 476 #if defined(CONFIG_IMX) 477 ulong get_systemPLLCLK(void); 478 ulong get_FCLK(void); 479 ulong get_HCLK(void); 480 ulong get_BCLK(void); 481 ulong get_PERCLK1(void); 482 ulong get_PERCLK2(void); 483 ulong get_PERCLK3(void); 484 #endif 485 ulong get_bus_freq (ulong); 486 487 #if defined(CONFIG_MPC85xx) 488 typedef MPC85xx_SYS_INFO sys_info_t; 489 void get_sys_info ( sys_info_t * ); 490 #endif 491 #if defined(CONFIG_MPC86xx) 492 typedef MPC86xx_SYS_INFO sys_info_t; 493 void get_sys_info ( sys_info_t * ); 494 #endif 495 496 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 497 # if defined(CONFIG_440) 498 typedef PPC440_SYS_INFO sys_info_t; 499 # if defined(CONFIG_440SPE) 500 unsigned long determine_sysper(void); 501 unsigned long determine_pci_clock_per(void); 502 int ppc440spe_revB(void); 503 # endif 504 # else 505 typedef PPC405_SYS_INFO sys_info_t; 506 # endif 507 void get_sys_info ( sys_info_t * ); 508 #endif 509 510 /* $(CPU)/cpu_init.c */ 511 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 512 void cpu_init_f (volatile immap_t *immr); 513 #endif 514 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 515 void cpu_init_f (void); 516 #endif 517 518 int cpu_init_r (void); 519 #if defined(CONFIG_8260) 520 int prt_8260_rsr (void); 521 #endif 522 523 /* $(CPU)/interrupts.c */ 524 int interrupt_init (void); 525 void timer_interrupt (struct pt_regs *); 526 void external_interrupt (struct pt_regs *); 527 void irq_install_handler(int, interrupt_handler_t *, void *); 528 void irq_free_handler (int); 529 void reset_timer (void); 530 ulong get_timer (ulong base); 531 void set_timer (ulong t); 532 void enable_interrupts (void); 533 int disable_interrupts (void); 534 535 /* $(CPU)/.../commproc.c */ 536 int dpram_init (void); 537 uint dpram_base(void); 538 uint dpram_base_align(uint align); 539 uint dpram_alloc(uint size); 540 uint dpram_alloc_align(uint size,uint align); 541 void post_word_store (ulong); 542 ulong post_word_load (void); 543 void bootcount_store (ulong); 544 ulong bootcount_load (void); 545 #define BOOTCOUNT_MAGIC 0xB001C041 546 547 /* $(CPU)/.../<eth> */ 548 void mii_init (void); 549 550 /* $(CPU)/.../lcd.c */ 551 ulong lcd_setmem (ulong); 552 553 /* $(CPU)/.../vfd.c */ 554 ulong vfd_setmem (ulong); 555 556 /* $(CPU)/.../video.c */ 557 ulong video_setmem (ulong); 558 559 /* lib_$(ARCH)/cache.c */ 560 void flush_cache (unsigned long, unsigned long); 561 562 563 /* lib_$(ARCH)/ticks.S */ 564 unsigned long long get_ticks(void); 565 void wait_ticks (unsigned long); 566 567 /* lib_$(ARCH)/time.c */ 568 void udelay (unsigned long); 569 ulong usec2ticks (unsigned long usec); 570 ulong ticks2usec (unsigned long ticks); 571 int init_timebase (void); 572 573 /* lib_generic/vsprintf.c */ 574 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 575 #ifdef CFG_64BIT_VSPRINTF 576 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 577 #endif 578 long simple_strtol(const char *cp,char **endp,unsigned int base); 579 void panic(const char *fmt, ...); 580 int sprintf(char * buf, const char *fmt, ...); 581 int vsprintf(char *buf, const char *fmt, va_list args); 582 583 /* lib_generic/crc32.c */ 584 ulong crc32 (ulong, const unsigned char *, uint); 585 ulong crc32_no_comp (ulong, const unsigned char *, uint); 586 587 /* common/console.c */ 588 int console_init_f(void); /* Before relocation; uses the serial stuff */ 589 int console_init_r(void); /* After relocation; uses the console stuff */ 590 int console_assign (int file, char *devname); /* Assign the console */ 591 int ctrlc (void); 592 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 593 void clear_ctrlc (void); /* clear the Control-C condition */ 594 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 595 596 /* 597 * STDIO based functions (can always be used) 598 */ 599 600 /* serial stuff */ 601 void serial_printf (const char *fmt, ...); 602 603 /* stdin */ 604 int getc(void); 605 int tstc(void); 606 607 /* stdout */ 608 void putc(const char c); 609 void puts(const char *s); 610 void printf(const char *fmt, ...); 611 void vprintf(const char *fmt, va_list args); 612 613 /* stderr */ 614 #define eputc(c) fputc(stderr, c) 615 #define eputs(s) fputs(stderr, s) 616 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 617 618 /* 619 * FILE based functions (can only be used AFTER relocation!) 620 */ 621 622 #define stdin 0 623 #define stdout 1 624 #define stderr 2 625 #define MAX_FILES 3 626 627 void fprintf(int file, const char *fmt, ...); 628 void fputs(int file, const char *s); 629 void fputc(int file, const char c); 630 int ftstc(int file); 631 int fgetc(int file); 632 633 int pcmcia_init (void); 634 635 #ifdef CONFIG_STATUS_LED 636 # include <status_led.h> 637 #endif 638 /* 639 * Board-specific Platform code can reimplement show_boot_progress () if needed 640 */ 641 void inline show_boot_progress (int val); 642 643 #ifdef CONFIG_INIT_CRITICAL 644 #error CONFIG_INIT_CRITICAL is deprecated! 645 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 646 #endif 647 648 #endif /* __COMMON_H_ */ 649