1 /* 2 * (C) Copyright 2000-2009 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __COMMON_H_ 9 #define __COMMON_H_ 1 10 11 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 12 13 typedef unsigned char uchar; 14 typedef volatile unsigned long vu_long; 15 typedef volatile unsigned short vu_short; 16 typedef volatile unsigned char vu_char; 17 18 /* Allow sharing constants with type modifiers between C and assembly. */ 19 #define _AC(X, Y) (X##Y) 20 21 #include <config.h> 22 #include <errno.h> 23 #include <time.h> 24 #include <asm-offsets.h> 25 #include <linux/bitops.h> 26 #include <linux/delay.h> 27 #include <linux/types.h> 28 #include <linux/string.h> 29 #include <linux/stringify.h> 30 #include <asm/ptrace.h> 31 #include <stdarg.h> 32 #include <linux/kernel.h> 33 34 #ifdef CONFIG_FSL_LSCH3 35 #include <asm/arch/immap_lsch3.h> 36 #endif 37 #ifdef CONFIG_FSL_LSCH2 38 #include <asm/arch/immap_lsch2.h> 39 #endif 40 41 #include <part.h> 42 #include <flash.h> 43 #include <image.h> 44 45 /* Bring in printf format macros if inttypes.h is included */ 46 #define __STDC_FORMAT_MACROS 47 48 #ifdef __LP64__ 49 #define CONFIG_SYS_SUPPORT_64BIT_DATA 50 #endif 51 52 #ifdef DEBUG 53 #define _DEBUG 1 54 #else 55 #define _DEBUG 0 56 #endif 57 58 #ifdef CONFIG_SPL_BUILD 59 #define _SPL_BUILD 1 60 #else 61 #define _SPL_BUILD 0 62 #endif 63 64 /* Define this at the top of a file to add a prefix to debug messages */ 65 #ifndef pr_fmt 66 #define pr_fmt(fmt) fmt 67 #endif 68 69 /* 70 * Output a debug text when condition "cond" is met. The "cond" should be 71 * computed by a preprocessor in the best case, allowing for the best 72 * optimization. 73 */ 74 #define debug_cond(cond, fmt, args...) \ 75 do { \ 76 if (cond) \ 77 printf(pr_fmt(fmt), ##args); \ 78 } while (0) 79 80 /* Show a message if DEBUG is defined in a file */ 81 #define debug(fmt, args...) \ 82 debug_cond(_DEBUG, fmt, ##args) 83 84 /* Show a message if not in SPL */ 85 #define warn_non_spl(fmt, args...) \ 86 debug_cond(!_SPL_BUILD, fmt, ##args) 87 88 /* 89 * An assertion is run-time check done in debug mode only. If DEBUG is not 90 * defined then it is skipped. If DEBUG is defined and the assertion fails, 91 * then it calls panic*( which may or may not reset/halt U-Boot (see 92 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 93 * before release, and after release it is hoped that they don't matter. But 94 * in any case these failing assertions cannot be fixed with a reset (which 95 * may just do the same assertion again). 96 */ 97 void __assert_fail(const char *assertion, const char *file, unsigned line, 98 const char *function); 99 #define assert(x) \ 100 ({ if (!(x) && _DEBUG) \ 101 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 102 103 #define error(fmt, args...) do { \ 104 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 105 ##args, __FILE__, __LINE__, __func__); \ 106 } while (0) 107 108 #ifndef BUG 109 #define BUG() do { \ 110 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 111 panic("BUG!"); \ 112 } while (0) 113 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 114 #endif /* BUG */ 115 116 typedef void (interrupt_handler_t)(void *); 117 118 #include <asm/u-boot.h> /* boot information for Linux kernel */ 119 #include <asm/global_data.h> /* global data used for startup functions */ 120 121 #if defined(CONFIG_ENV_IS_EMBEDDED) 122 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 123 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 124 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 125 defined(CONFIG_ENV_IS_IN_NVRAM) 126 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 127 #else 128 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 129 #endif 130 131 /* 132 * Function Prototypes 133 */ 134 int dram_init(void); 135 136 /** 137 * dram_init_banksize() - Set up DRAM bank sizes 138 * 139 * This can be implemented by boards to set up the DRAM bank information in 140 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 141 * is called. 142 * 143 * If this is not provided, a default implementation will try to set up a 144 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 145 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 146 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 147 * get_effective_memsize(). 148 * 149 * @return 0 if OK, -ve on error 150 */ 151 int dram_init_banksize(void); 152 153 void hang (void) __attribute__ ((noreturn)); 154 155 int timer_init(void); 156 int cpu_init(void); 157 158 #include <display_options.h> 159 160 /* common/main.c */ 161 void main_loop (void); 162 int run_command(const char *cmd, int flag); 163 int run_command_repeatable(const char *cmd, int flag); 164 165 /** 166 * Run a list of commands separated by ; or even \0 167 * 168 * Note that if 'len' is not -1, then the command does not need to be nul 169 * terminated, Memory will be allocated for the command in that case. 170 * 171 * @param cmd List of commands to run, each separated bu semicolon 172 * @param len Length of commands excluding terminator if known (-1 if not) 173 * @param flag Execution flags (CMD_FLAG_...) 174 * @return 0 on success, or != 0 on error. 175 */ 176 int run_command_list(const char *cmd, int len, int flag); 177 178 /* arch/$(ARCH)/lib/board.c */ 179 void board_init_f(ulong); 180 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 181 182 /** 183 * ulong board_init_f_alloc_reserve - allocate reserved area 184 * 185 * This function is called by each architecture very early in the start-up 186 * code to allow the C runtime to reserve space on the stack for writable 187 * 'globals' such as GD and the malloc arena. 188 * 189 * @top: top of the reserve area, growing down. 190 * @return: bottom of reserved area 191 */ 192 ulong board_init_f_alloc_reserve(ulong top); 193 194 /** 195 * board_init_f_init_reserve - initialize the reserved area(s) 196 * 197 * This function is called once the C runtime has allocated the reserved 198 * area on the stack. It must initialize the GD at the base of that area. 199 * 200 * @base: top from which reservation was done 201 */ 202 void board_init_f_init_reserve(ulong base); 203 204 /** 205 * arch_setup_gd() - Set up the global_data pointer 206 * 207 * This pointer is special in some architectures and cannot easily be assigned 208 * to. For example on x86 it is implemented by adding a specific record to its 209 * Global Descriptor Table! So we we provide a function to carry out this task. 210 * For most architectures this can simply be: 211 * 212 * gd = gd_ptr; 213 * 214 * @gd_ptr: Pointer to global data 215 */ 216 void arch_setup_gd(gd_t *gd_ptr); 217 218 int checkboard(void); 219 int show_board_info(void); 220 int checkflash(void); 221 int checkdram(void); 222 int last_stage_init(void); 223 extern ulong monitor_flash_len; 224 int mac_read_from_eeprom(void); 225 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 226 int set_cpu_clk_info(void); 227 int mdm_init(void); 228 int print_cpuinfo(void); 229 int update_flash_size(int flash_size); 230 int arch_early_init_r(void); 231 232 /* 233 * setup_board_extra() - Fill in extra details in the bd_t structure 234 * 235 * @return 0 if OK, -ve on error 236 */ 237 int setup_board_extra(void); 238 239 /** 240 * arch_fsp_init() - perform firmware support package init 241 * 242 * Where U-Boot relies on binary blobs to handle part of the system init, this 243 * function can be used to set up the blobs. This is used on some Intel 244 * platforms. 245 */ 246 int arch_fsp_init(void); 247 248 /** 249 * arch_cpu_init_dm() - init CPU after driver model is available 250 * 251 * This is called immediately after driver model is available before 252 * relocation. This is similar to arch_cpu_init() but is able to reference 253 * devices 254 * 255 * @return 0 if OK, -ve on error 256 */ 257 int arch_cpu_init_dm(void); 258 259 /** 260 * Reserve all necessary stacks 261 * 262 * This is used in generic board init sequence in common/board_f.c. Each 263 * architecture could provide this function to tailor the required stacks. 264 * 265 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 266 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 267 * require only this can leave it untouched. 268 * 269 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 270 * positions of the stack. The stack pointer(s) will be set to this later. 271 * gd->irq_sp is only required, if the architecture needs it. 272 * 273 * @return 0 if no error 274 */ 275 __weak int arch_reserve_stacks(void); 276 277 /** 278 * Show the DRAM size in a board-specific way 279 * 280 * This is used by boards to display DRAM information in their own way. 281 * 282 * @param size Size of DRAM (which should be displayed along with other info) 283 */ 284 void board_show_dram(phys_size_t size); 285 286 /** 287 * arch_fixup_fdt() - Write arch-specific information to fdt 288 * 289 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 290 * 291 * @blob: FDT blob to write to 292 * @return 0 if ok, or -ve FDT_ERR_... on failure 293 */ 294 int arch_fixup_fdt(void *blob); 295 296 /* common/flash.c */ 297 void flash_perror (int); 298 299 /* common/cmd_source.c */ 300 int source (ulong addr, const char *fit_uname); 301 302 extern ulong load_addr; /* Default Load Address */ 303 extern ulong save_addr; /* Default Save Address */ 304 extern ulong save_size; /* Default Save Size */ 305 306 /* common/cmd_net.c */ 307 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 308 309 /* common/cmd_fat.c */ 310 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 311 312 /* common/cmd_ext2.c */ 313 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 314 315 /* common/cmd_nvedit.c */ 316 int env_init (void); 317 void env_relocate (void); 318 int envmatch (uchar *, int); 319 320 /* Avoid unfortunate conflict with libc's getenv() */ 321 #ifdef CONFIG_SANDBOX 322 #define getenv uboot_getenv 323 #endif 324 char *getenv (const char *); 325 int getenv_f (const char *name, char *buf, unsigned len); 326 ulong getenv_ulong(const char *name, int base, ulong default_val); 327 328 /** 329 * getenv_hex() - Return an environment variable as a hex value 330 * 331 * Decode an environment as a hex number (it may or may not have a 0x 332 * prefix). If the environment variable cannot be found, or does not start 333 * with hex digits, the default value is returned. 334 * 335 * @varname: Variable to decode 336 * @default_val: Value to return on error 337 */ 338 ulong getenv_hex(const char *varname, ulong default_val); 339 340 /* 341 * Read an environment variable as a boolean 342 * Return -1 if variable does not exist (default to true) 343 */ 344 int getenv_yesno(const char *var); 345 int saveenv (void); 346 int setenv (const char *, const char *); 347 int setenv_ulong(const char *varname, ulong value); 348 int setenv_hex(const char *varname, ulong value); 349 /** 350 * setenv_addr - Set an environment variable to an address in hex 351 * 352 * @varname: Environment variable to set 353 * @addr: Value to set it to 354 * @return 0 if ok, 1 on error 355 */ 356 static inline int setenv_addr(const char *varname, const void *addr) 357 { 358 return setenv_hex(varname, (ulong)addr); 359 } 360 361 #ifdef CONFIG_AUTO_COMPLETE 362 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 363 #endif 364 int get_env_id (void); 365 366 void pci_init (void); 367 void pci_init_board(void); 368 369 int misc_init_f (void); 370 int misc_init_r (void); 371 372 /* common/exports.c */ 373 void jumptable_init(void); 374 375 /* common/kallsysm.c */ 376 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 377 378 /* common/memsize.c */ 379 long get_ram_size (long *, long); 380 phys_size_t get_effective_memsize(void); 381 382 /* $(BOARD)/$(BOARD).c */ 383 void reset_phy (void); 384 void fdc_hw_init (void); 385 386 /* $(BOARD)/eeprom.c */ 387 #ifdef CONFIG_CMD_EEPROM 388 void eeprom_init (int bus); 389 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 390 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 391 #else 392 /* 393 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 394 * some macros here so we don't have to touch every one of those uses 395 */ 396 #define eeprom_init(bus) 397 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 398 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 399 #endif 400 401 /* 402 * Set this up regardless of board 403 * type, to prevent errors. 404 */ 405 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 406 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 407 #else 408 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 409 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 410 #endif 411 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 412 413 #if defined(CONFIG_SPI) 414 extern void spi_init_f (void); 415 extern void spi_init_r (void); 416 extern ssize_t spi_read (uchar *, int, uchar *, int); 417 extern ssize_t spi_write (uchar *, int, uchar *, int); 418 #endif 419 420 /* $(BOARD)/$(BOARD).c */ 421 int board_early_init_f (void); 422 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 423 int board_late_init (void); 424 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 425 int board_early_init_r (void); 426 void board_poweroff (void); 427 428 #if defined(CONFIG_SYS_DRAM_TEST) 429 int testdram(void); 430 #endif /* CONFIG_SYS_DRAM_TEST */ 431 432 /* $(CPU)/start.S */ 433 int icache_status (void); 434 void icache_enable (void); 435 void icache_disable(void); 436 int dcache_status (void); 437 void dcache_enable (void); 438 void dcache_disable(void); 439 void mmu_disable(void); 440 #if defined(CONFIG_ARM) 441 void relocate_code(ulong); 442 #else 443 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 444 #endif 445 ulong get_endaddr (void); 446 void trap_init (ulong); 447 448 #if defined (CONFIG_MICROBLAZE) 449 unsigned short in16(unsigned int); 450 void out16(unsigned int, unsigned short value); 451 #endif 452 453 /* $(CPU)/cpu.c */ 454 static inline int cpumask_next(int cpu, unsigned int mask) 455 { 456 for (cpu++; !((1 << cpu) & mask); cpu++) 457 ; 458 459 return cpu; 460 } 461 462 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 463 for (iter = 0, cpu = cpumask_next(-1, mask); \ 464 iter < num_cpus; \ 465 iter++, cpu = cpumask_next(cpu, mask)) \ 466 467 int cpu_numcores (void); 468 int cpu_num_dspcores(void); 469 u32 cpu_mask (void); 470 u32 cpu_dsp_mask(void); 471 int is_core_valid (unsigned int); 472 473 /** 474 * arch_cpu_init() - basic cpu-dependent setup for an architecture 475 * 476 * This is called after early malloc is available. It should handle any 477 * CPU- or SoC- specific init needed to continue the init sequence. See 478 * board_f.c for where it is called. If this is not provided, a default 479 * version (which does nothing) will be used. 480 */ 481 int arch_cpu_init(void); 482 483 int checkcpu (void); 484 int checkicache (void); 485 int checkdcache (void); 486 void upmconfig (unsigned int, unsigned int *, unsigned int); 487 ulong get_tbclk (void); 488 void reset_misc (void); 489 void reset_cpu (ulong addr); 490 void ft_cpu_setup(void *blob, bd_t *bd); 491 void ft_pci_setup(void *blob, bd_t *bd); 492 493 void smp_set_core_boot_addr(unsigned long addr, int corenr); 494 void smp_kick_all_cpus(void); 495 496 /* $(CPU)/serial.c */ 497 int serial_init (void); 498 void serial_setbrg (void); 499 void serial_putc (const char); 500 void serial_putc_raw(const char); 501 void serial_puts (const char *); 502 int serial_getc (void); 503 int serial_tstc (void); 504 505 /* These versions take a stdio_dev pointer */ 506 struct stdio_dev; 507 int serial_stub_getc(struct stdio_dev *sdev); 508 int serial_stub_tstc(struct stdio_dev *sdev); 509 510 /* $(CPU)/speed.c */ 511 int get_clocks (void); 512 ulong get_bus_freq (ulong); 513 int get_serial_clock(void); 514 515 int cpu_init_r (void); 516 517 /* $(CPU)/interrupts.c */ 518 int interrupt_init (void); 519 void timer_interrupt (struct pt_regs *); 520 void external_interrupt (struct pt_regs *); 521 void irq_install_handler(int, interrupt_handler_t *, void *); 522 void irq_free_handler (int); 523 void reset_timer (void); 524 525 /* Return value of monotonic microsecond timer */ 526 unsigned long timer_get_us(void); 527 528 void enable_interrupts (void); 529 int disable_interrupts (void); 530 531 /* $(CPU)/.../commproc.c */ 532 int dpram_init (void); 533 uint dpram_base(void); 534 uint dpram_base_align(uint align); 535 uint dpram_alloc(uint size); 536 uint dpram_alloc_align(uint size,uint align); 537 void bootcount_store (ulong); 538 ulong bootcount_load (void); 539 #define BOOTCOUNT_MAGIC 0xB001C041 540 541 /* $(CPU)/.../<eth> */ 542 void mii_init (void); 543 544 /* $(CPU)/.../lcd.c */ 545 ulong lcd_setmem (ulong); 546 547 /* $(CPU)/.../video.c */ 548 ulong video_setmem (ulong); 549 550 /* arch/$(ARCH)/lib/cache.c */ 551 void enable_caches(void); 552 void flush_cache (unsigned long, unsigned long); 553 void flush_dcache_all(void); 554 void flush_dcache_range(unsigned long start, unsigned long stop); 555 void invalidate_dcache_range(unsigned long start, unsigned long stop); 556 void invalidate_dcache_all(void); 557 void invalidate_icache_all(void); 558 559 enum { 560 /* Disable caches (else flush caches but leave them active) */ 561 CBL_DISABLE_CACHES = 1 << 0, 562 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 563 564 CBL_ALL = 3, 565 }; 566 567 /** 568 * Clean up ready for linux 569 * 570 * @param flags Flags to control what is done 571 */ 572 int cleanup_before_linux_select(int flags); 573 574 /* arch/$(ARCH)/lib/ticks.S */ 575 uint64_t get_ticks(void); 576 void wait_ticks (unsigned long); 577 578 /* arch/$(ARCH)/lib/time.c */ 579 ulong usec2ticks (unsigned long usec); 580 ulong ticks2usec (unsigned long ticks); 581 582 /* lib/gunzip.c */ 583 int gunzip(void *, int, unsigned char *, unsigned long *); 584 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 585 int stoponerr, int offset); 586 587 /** 588 * gzwrite progress indicators: defined weak to allow board-specific 589 * overrides: 590 * 591 * gzwrite_progress_init called on startup 592 * gzwrite_progress called during decompress/write loop 593 * gzwrite_progress_finish called at end of loop to 594 * indicate success (retcode=0) or failure 595 */ 596 void gzwrite_progress_init(u64 expected_size); 597 598 void gzwrite_progress(int iteration, 599 u64 bytes_written, 600 u64 total_bytes); 601 602 void gzwrite_progress_finish(int retcode, 603 u64 totalwritten, 604 u64 totalsize, 605 u32 expected_crc, 606 u32 calculated_crc); 607 608 /** 609 * decompress and write gzipped image from memory to block device 610 * 611 * @param src compressed image address 612 * @param len compressed image length in bytes 613 * @param dev block device descriptor 614 * @param szwritebuf bytes per write (pad to erase size) 615 * @param startoffs offset in bytes of first write 616 * @param szexpected expected uncompressed length 617 * may be zero to use gzip trailer 618 * for files under 4GiB 619 */ 620 int gzwrite(unsigned char *src, int len, 621 struct blk_desc *dev, 622 unsigned long szwritebuf, 623 u64 startoffs, 624 u64 szexpected); 625 626 /* lib/lz4_wrapper.c */ 627 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 628 629 /* lib/qsort.c */ 630 void qsort(void *base, size_t nmemb, size_t size, 631 int(*compar)(const void *, const void *)); 632 int strcmp_compar(const void *, const void *); 633 634 /* lib/uuid.c */ 635 #include <uuid.h> 636 637 /* lib/vsprintf.c */ 638 #include <vsprintf.h> 639 640 /* lib/strmhz.c */ 641 char * strmhz(char *buf, unsigned long hz); 642 643 /* lib/crc32.c */ 644 #include <u-boot/crc.h> 645 646 /* lib/rand.c */ 647 #define RAND_MAX -1U 648 void srand(unsigned int seed); 649 unsigned int rand(void); 650 unsigned int rand_r(unsigned int *seedp); 651 652 /* 653 * STDIO based functions (can always be used) 654 */ 655 /* serial stuff */ 656 int serial_printf (const char *fmt, ...) 657 __attribute__ ((format (__printf__, 1, 2))); 658 /* stdin */ 659 int getc(void); 660 int tstc(void); 661 662 /* stdout */ 663 #if !defined(CONFIG_SPL_BUILD) || \ 664 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 665 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 666 defined(CONFIG_SPL_SERIAL_SUPPORT)) 667 void putc(const char c); 668 void puts(const char *s); 669 int printf(const char *fmt, ...) 670 __attribute__ ((format (__printf__, 1, 2))); 671 int vprintf(const char *fmt, va_list args); 672 #else 673 #define putc(...) do { } while (0) 674 #define puts(...) do { } while (0) 675 #define printf(...) do { } while (0) 676 #define vprintf(...) do { } while (0) 677 #endif 678 679 /* stderr */ 680 #define eputc(c) fputc(stderr, c) 681 #define eputs(s) fputs(stderr, s) 682 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 683 684 /* 685 * FILE based functions (can only be used AFTER relocation!) 686 */ 687 #define stdin 0 688 #define stdout 1 689 #define stderr 2 690 #define MAX_FILES 3 691 692 int fprintf(int file, const char *fmt, ...) 693 __attribute__ ((format (__printf__, 2, 3))); 694 void fputs(int file, const char *s); 695 void fputc(int file, const char c); 696 int ftstc(int file); 697 int fgetc(int file); 698 699 /* lib/gzip.c */ 700 int gzip(void *dst, unsigned long *lenp, 701 unsigned char *src, unsigned long srclen); 702 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 703 unsigned long srclen, int stoponerr, 704 int (*func)(unsigned long, unsigned long)); 705 706 /* lib/net_utils.c */ 707 #include <net.h> 708 static inline struct in_addr getenv_ip(char *var) 709 { 710 return string_to_ip(getenv(var)); 711 } 712 713 int pcmcia_init (void); 714 715 #ifdef CONFIG_LED_STATUS 716 # include <status_led.h> 717 #endif 718 719 #include <bootstage.h> 720 721 #ifdef CONFIG_SHOW_ACTIVITY 722 void show_activity(int arg); 723 #endif 724 725 /* Multicore arch functions */ 726 #ifdef CONFIG_MP 727 int cpu_status(int nr); 728 int cpu_reset(int nr); 729 int cpu_disable(int nr); 730 int cpu_release(int nr, int argc, char * const argv[]); 731 #endif 732 733 #else /* __ASSEMBLY__ */ 734 735 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 736 #define _AC(X, Y) X 737 738 #endif /* __ASSEMBLY__ */ 739 740 /* Put only stuff here that the assembler can digest */ 741 742 /* Declare an unsigned long constant digestable both by C and an assembler. */ 743 #define UL(x) _AC(x, UL) 744 745 #ifdef CONFIG_POST 746 #define CONFIG_HAS_POST 747 #ifndef CONFIG_POST_ALT_LIST 748 #define CONFIG_POST_STD_LIST 749 #endif 750 #endif 751 752 #ifdef CONFIG_INIT_CRITICAL 753 #error CONFIG_INIT_CRITICAL is deprecated! 754 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 755 #endif 756 757 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 758 759 /* 760 * check_member() - Check the offset of a structure member 761 * 762 * @structure: Name of structure (e.g. global_data) 763 * @member: Name of member (e.g. baudrate) 764 * @offset: Expected offset in bytes 765 */ 766 #define check_member(structure, member, offset) _Static_assert( \ 767 offsetof(struct structure, member) == offset, \ 768 "`struct " #structure "` offset for `" #member "` is not " #offset) 769 770 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 771 #ifdef CONFIG_EFI_STUB 772 #define ll_boot_init() false 773 #else 774 #define ll_boot_init() true 775 #endif 776 777 /* Pull in stuff for the build system */ 778 #ifdef DO_DEPS_ONLY 779 # include <environment.h> 780 #endif 781 782 #endif /* __COMMON_H_ */ 783