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 <stdio.h> 33 #include <linux/kernel.h> 34 35 #include <part.h> 36 #include <flash.h> 37 #include <image.h> 38 39 /* Bring in printf format macros if inttypes.h is included */ 40 #define __STDC_FORMAT_MACROS 41 42 #ifdef __LP64__ 43 #define CONFIG_SYS_SUPPORT_64BIT_DATA 44 #endif 45 46 #ifdef DEBUG 47 #define _DEBUG 1 48 #else 49 #define _DEBUG 0 50 #endif 51 52 #ifdef CONFIG_SPL_BUILD 53 #define _SPL_BUILD 1 54 #else 55 #define _SPL_BUILD 0 56 #endif 57 58 /* Define this at the top of a file to add a prefix to debug messages */ 59 #ifndef pr_fmt 60 #define pr_fmt(fmt) fmt 61 #endif 62 63 /* 64 * Output a debug text when condition "cond" is met. The "cond" should be 65 * computed by a preprocessor in the best case, allowing for the best 66 * optimization. 67 */ 68 #define debug_cond(cond, fmt, args...) \ 69 do { \ 70 if (cond) \ 71 printf(pr_fmt(fmt), ##args); \ 72 } while (0) 73 74 /* Show a message if DEBUG is defined in a file */ 75 #define debug(fmt, args...) \ 76 debug_cond(_DEBUG, fmt, ##args) 77 78 /* Show a message if not in SPL */ 79 #define warn_non_spl(fmt, args...) \ 80 debug_cond(!_SPL_BUILD, fmt, ##args) 81 82 /* 83 * An assertion is run-time check done in debug mode only. If DEBUG is not 84 * defined then it is skipped. If DEBUG is defined and the assertion fails, 85 * then it calls panic*( which may or may not reset/halt U-Boot (see 86 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 87 * before release, and after release it is hoped that they don't matter. But 88 * in any case these failing assertions cannot be fixed with a reset (which 89 * may just do the same assertion again). 90 */ 91 void __assert_fail(const char *assertion, const char *file, unsigned line, 92 const char *function); 93 #define assert(x) \ 94 ({ if (!(x) && _DEBUG) \ 95 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 96 97 #define error(fmt, args...) do { \ 98 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 99 ##args, __FILE__, __LINE__, __func__); \ 100 } while (0) 101 102 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) 103 # undef static_assert 104 # define static_assert _Static_assert 105 #endif 106 107 #ifndef BUG 108 #define BUG() do { \ 109 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 110 panic("BUG!"); \ 111 } while (0) 112 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 113 #endif /* BUG */ 114 115 #ifndef CONFIG_IRQ 116 typedef void (interrupt_handler_t)(void *); 117 #else 118 typedef void (interrupt_handler_t)(int, void *); 119 #endif 120 121 #include <asm/u-boot.h> /* boot information for Linux kernel */ 122 #include <asm/global_data.h> /* global data used for startup functions */ 123 124 #if defined(CONFIG_ENV_IS_EMBEDDED) 125 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 126 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 127 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 128 defined(CONFIG_ENV_IS_IN_NVRAM) 129 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 130 #else 131 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 132 #endif 133 134 /* 135 * Function Prototypes 136 */ 137 int dram_init(void); 138 139 /** 140 * dram_init_banksize() - Set up DRAM bank sizes 141 * 142 * This can be implemented by boards to set up the DRAM bank information in 143 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 144 * is called. 145 * 146 * If this is not provided, a default implementation will try to set up a 147 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 148 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 149 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 150 * get_effective_memsize(). 151 * 152 * @return 0 if OK, -ve on error 153 */ 154 int dram_init_banksize(void); 155 156 void hang (void) __attribute__ ((noreturn)); 157 158 int timer_init(void); 159 int cpu_init(void); 160 161 #include <display_options.h> 162 163 /* common/main.c */ 164 void main_loop (void); 165 int run_command(const char *cmd, int flag); 166 int run_command_repeatable(const char *cmd, int flag); 167 168 /** 169 * Run a list of commands separated by ; or even \0 170 * 171 * Note that if 'len' is not -1, then the command does not need to be nul 172 * terminated, Memory will be allocated for the command in that case. 173 * 174 * @param cmd List of commands to run, each separated bu semicolon 175 * @param len Length of commands excluding terminator if known (-1 if not) 176 * @param flag Execution flags (CMD_FLAG_...) 177 * @return 0 on success, or != 0 on error. 178 */ 179 int run_command_list(const char *cmd, int len, int flag); 180 181 /* arch/$(ARCH)/lib/board.c */ 182 void board_init_f(ulong); 183 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 184 185 /** 186 * ulong board_init_f_alloc_reserve - allocate reserved area 187 * 188 * This function is called by each architecture very early in the start-up 189 * code to allow the C runtime to reserve space on the stack for writable 190 * 'globals' such as GD and the malloc arena. 191 * 192 * @top: top of the reserve area, growing down. 193 * @return: bottom of reserved area 194 */ 195 ulong board_init_f_alloc_reserve(ulong top); 196 197 /** 198 * board_init_f_init_reserve - initialize the reserved area(s) 199 * 200 * This function is called once the C runtime has allocated the reserved 201 * area on the stack. It must initialize the GD at the base of that area. 202 * 203 * @base: top from which reservation was done 204 */ 205 void board_init_f_init_reserve(ulong base); 206 207 /** 208 * arch_setup_gd() - Set up the global_data pointer 209 * 210 * This pointer is special in some architectures and cannot easily be assigned 211 * to. For example on x86 it is implemented by adding a specific record to its 212 * Global Descriptor Table! So we we provide a function to carry out this task. 213 * For most architectures this can simply be: 214 * 215 * gd = gd_ptr; 216 * 217 * @gd_ptr: Pointer to global data 218 */ 219 void arch_setup_gd(gd_t *gd_ptr); 220 221 int checkboard(void); 222 int show_board_info(void); 223 int checkflash(void); 224 int checkdram(void); 225 int last_stage_init(void); 226 extern ulong monitor_flash_len; 227 int mac_read_from_eeprom(void); 228 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 229 int set_cpu_clk_info(void); 230 int mdm_init(void); 231 int print_cpuinfo(void); 232 int update_flash_size(int flash_size); 233 int arch_early_init_r(void); 234 235 /* 236 * setup_board_extra() - Fill in extra details in the bd_t structure 237 * 238 * @return 0 if OK, -ve on error 239 */ 240 int setup_board_extra(void); 241 242 /** 243 * arch_fsp_init() - perform firmware support package init 244 * 245 * Where U-Boot relies on binary blobs to handle part of the system init, this 246 * function can be used to set up the blobs. This is used on some Intel 247 * platforms. 248 */ 249 int arch_fsp_init(void); 250 251 /** 252 * arch_cpu_init_dm() - init CPU after driver model is available 253 * 254 * This is called immediately after driver model is available before 255 * relocation. This is similar to arch_cpu_init() but is able to reference 256 * devices 257 * 258 * @return 0 if OK, -ve on error 259 */ 260 int arch_cpu_init_dm(void); 261 262 /** 263 * Reserve all necessary stacks 264 * 265 * This is used in generic board init sequence in common/board_f.c. Each 266 * architecture could provide this function to tailor the required stacks. 267 * 268 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 269 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 270 * require only this can leave it untouched. 271 * 272 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 273 * positions of the stack. The stack pointer(s) will be set to this later. 274 * gd->irq_sp is only required, if the architecture needs it. 275 * 276 * @return 0 if no error 277 */ 278 __weak int arch_reserve_stacks(void); 279 280 /** 281 * Show the DRAM size in a board-specific way 282 * 283 * This is used by boards to display DRAM information in their own way. 284 * 285 * @param size Size of DRAM (which should be displayed along with other info) 286 */ 287 void board_show_dram(phys_size_t size); 288 289 /** 290 * arch_fixup_fdt() - Write arch-specific information to fdt 291 * 292 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 293 * 294 * @blob: FDT blob to write to 295 * @return 0 if ok, or -ve FDT_ERR_... on failure 296 */ 297 int arch_fixup_fdt(void *blob); 298 299 int reserve_mmu(void); 300 /* common/flash.c */ 301 void flash_perror (int); 302 303 /* common/cmd_source.c */ 304 int source (ulong addr, const char *fit_uname); 305 306 extern ulong load_addr; /* Default Load Address */ 307 extern ulong save_addr; /* Default Save Address */ 308 extern ulong save_size; /* Default Save Size */ 309 310 /* common/cmd_net.c */ 311 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 312 313 /* common/cmd_fat.c */ 314 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 315 316 /* common/cmd_ext2.c */ 317 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 318 319 /* common/cmd_nvedit.c */ 320 int env_init (void); 321 void env_relocate (void); 322 int envmatch (uchar *, int); 323 324 /** 325 * env_get() - Look up the value of an environment variable 326 * 327 * In U-Boot proper this can be called before relocation (which is when the 328 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 329 * case this function calls env_get_f(). 330 * 331 * @varname: Variable to look up 332 * @return value of variable, or NULL if not found 333 */ 334 char *env_get(const char *varname); 335 336 /** 337 * env_get_f() - Look up the value of an environment variable (early) 338 * 339 * This function is called from env_get() if the environment has not been 340 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 341 * support reading the value (slowly) and some will not. 342 * 343 * @varname: Variable to look up 344 * @return value of variable, or NULL if not found 345 */ 346 int env_get_f(const char *name, char *buf, unsigned len); 347 348 /** 349 * env_get_ulong() - Return an environment variable as an integer value 350 * 351 * Most U-Boot environment variables store hex values. For those which store 352 * (e.g.) base-10 integers, this function can be used to read the value. 353 * 354 * @name: Variable to look up 355 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 356 * @default_val: Default value to return if no value is found 357 * @return the value found, or @default_val if none 358 */ 359 ulong env_get_ulong(const char *name, int base, ulong default_val); 360 361 /** 362 * env_get_hex() - Return an environment variable as a hex value 363 * 364 * Decode an environment as a hex number (it may or may not have a 0x 365 * prefix). If the environment variable cannot be found, or does not start 366 * with hex digits, the default value is returned. 367 * 368 * @varname: Variable to decode 369 * @default_val: Value to return on error 370 */ 371 ulong env_get_hex(const char *varname, ulong default_val); 372 373 /* 374 * Read an environment variable as a boolean 375 * Return -1 if variable does not exist (default to true) 376 */ 377 int env_get_yesno(const char *var); 378 379 /** 380 * env_set() - set an environment variable 381 * 382 * This sets or deletes the value of an environment variable. For setting the 383 * value the variable is created if it does not already exist. 384 * 385 * @varname: Variable to adjust 386 * @value: Value to set for the variable, or NULL or "" to delete the variable 387 * @return 0 if OK, 1 on error 388 */ 389 int env_set(const char *varname, const char *value); 390 391 /** 392 * env_update() - update sub value of an environment variable 393 * 394 * This add/append/replace the sub value of an environment variable. 395 * 396 * @varname: Variable to adjust 397 * @valude: Value to append/replace 398 * @return 0 if OK, 1 on error 399 */ 400 int env_update(const char *varname, const char *varvalue); 401 402 /** 403 * env_set_ulong() - set an environment variable to an integer 404 * 405 * @varname: Variable to adjust 406 * @value: Value to set for the variable (will be converted to a string) 407 * @return 0 if OK, 1 on error 408 */ 409 int env_set_ulong(const char *varname, ulong value); 410 411 /** 412 * env_set_hex() - set an environment variable to a hex value 413 * 414 * @varname: Variable to adjust 415 * @value: Value to set for the variable (will be converted to a hex string) 416 * @return 0 if OK, 1 on error 417 */ 418 int env_set_hex(const char *varname, ulong value); 419 420 /** 421 * env_set_addr - Set an environment variable to an address in hex 422 * 423 * @varname: Environment variable to set 424 * @addr: Value to set it to 425 * @return 0 if ok, 1 on error 426 */ 427 static inline int env_set_addr(const char *varname, const void *addr) 428 { 429 return env_set_hex(varname, (ulong)addr); 430 } 431 432 #ifdef CONFIG_AUTO_COMPLETE 433 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 434 #endif 435 int get_env_id (void); 436 437 void pci_init (void); 438 void pci_init_board(void); 439 440 #if defined(CONFIG_DTB_RESELECT) 441 int embedded_dtb_select(void); 442 #endif 443 444 int misc_init_f (void); 445 int misc_init_r (void); 446 447 /* common/exports.c */ 448 void jumptable_init(void); 449 450 /* common/kallsysm.c */ 451 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 452 453 /* common/memsize.c */ 454 long get_ram_size (long *, long); 455 phys_size_t get_effective_memsize(void); 456 457 /* $(BOARD)/$(BOARD).c */ 458 void reset_phy (void); 459 void fdc_hw_init (void); 460 461 /* $(BOARD)/eeprom.c */ 462 #ifdef CONFIG_CMD_EEPROM 463 void eeprom_init (int bus); 464 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 465 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 466 #else 467 /* 468 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 469 * some macros here so we don't have to touch every one of those uses 470 */ 471 #define eeprom_init(bus) 472 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 473 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 474 #endif 475 476 /* 477 * Set this up regardless of board 478 * type, to prevent errors. 479 */ 480 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 481 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 482 #else 483 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 484 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 485 #endif 486 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 487 488 #if defined(CONFIG_SPI) 489 extern void spi_init_f (void); 490 extern void spi_init_r (void); 491 extern ssize_t spi_read (uchar *, int, uchar *, int); 492 extern ssize_t spi_write (uchar *, int, uchar *, int); 493 #endif 494 495 /* $(BOARD)/$(BOARD).c */ 496 int board_early_init_f (void); 497 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 498 int board_late_init (void); 499 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 500 int board_early_init_r (void); 501 void board_poweroff (void); 502 503 #if defined(CONFIG_SYS_DRAM_TEST) 504 int testdram(void); 505 #endif /* CONFIG_SYS_DRAM_TEST */ 506 507 /* $(CPU)/start.S */ 508 int icache_status (void); 509 void icache_enable (void); 510 void icache_disable(void); 511 int dcache_status (void); 512 void dcache_enable (void); 513 void dcache_disable(void); 514 void mmu_disable(void); 515 #if defined(CONFIG_ARM) 516 void relocate_code(ulong); 517 #else 518 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 519 #endif 520 ulong get_endaddr (void); 521 void trap_init (ulong); 522 523 /* $(CPU)/cpu.c */ 524 static inline int cpumask_next(int cpu, unsigned int mask) 525 { 526 for (cpu++; !((1 << cpu) & mask); cpu++) 527 ; 528 529 return cpu; 530 } 531 532 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 533 for (iter = 0, cpu = cpumask_next(-1, mask); \ 534 iter < num_cpus; \ 535 iter++, cpu = cpumask_next(cpu, mask)) \ 536 537 int cpu_numcores (void); 538 int cpu_num_dspcores(void); 539 u32 cpu_mask (void); 540 u32 cpu_dsp_mask(void); 541 int is_core_valid (unsigned int); 542 543 /** 544 * arch_cpu_init() - basic cpu-dependent setup for an architecture 545 * 546 * This is called after early malloc is available. It should handle any 547 * CPU- or SoC- specific init needed to continue the init sequence. See 548 * board_f.c for where it is called. If this is not provided, a default 549 * version (which does nothing) will be used. 550 */ 551 int arch_cpu_init(void); 552 553 int checkcpu (void); 554 int checkicache (void); 555 int checkdcache (void); 556 void upmconfig (unsigned int, unsigned int *, unsigned int); 557 ulong get_tbclk (void); 558 void reset_misc (void); 559 void reset_cpu (ulong addr); 560 void ft_cpu_setup(void *blob, bd_t *bd); 561 void ft_pci_setup(void *blob, bd_t *bd); 562 563 void smp_set_core_boot_addr(unsigned long addr, int corenr); 564 void smp_kick_all_cpus(void); 565 566 /* $(CPU)/serial.c */ 567 int serial_init (void); 568 void serial_setbrg (void); 569 void serial_putc (const char); 570 void serial_putc_raw(const char); 571 void serial_puts (const char *); 572 int serial_getc (void); 573 int serial_tstc (void); 574 575 /* $(CPU)/speed.c */ 576 int get_clocks (void); 577 ulong get_bus_freq (ulong); 578 int get_serial_clock(void); 579 580 int cpu_init_r (void); 581 582 /* $(CPU)/interrupts.c */ 583 int interrupt_init (void); 584 void timer_interrupt (struct pt_regs *); 585 void external_interrupt (struct pt_regs *); 586 void irq_install_handler(int, interrupt_handler_t *, void *); 587 void irq_free_handler (int); 588 void reset_timer (void); 589 590 /* Return value of monotonic microsecond timer */ 591 unsigned long timer_get_us(void); 592 593 void enable_interrupts (void); 594 int disable_interrupts (void); 595 596 /* $(CPU)/.../commproc.c */ 597 int dpram_init (void); 598 uint dpram_base(void); 599 uint dpram_base_align(uint align); 600 uint dpram_alloc(uint size); 601 uint dpram_alloc_align(uint size,uint align); 602 void bootcount_store (ulong); 603 ulong bootcount_load (void); 604 #define BOOTCOUNT_MAGIC 0xB001C041 605 606 /* $(CPU)/.../<eth> */ 607 void mii_init (void); 608 609 /* $(CPU)/.../lcd.c */ 610 ulong lcd_setmem (ulong); 611 612 /* $(CPU)/.../video.c */ 613 ulong video_setmem (ulong); 614 615 /* arch/$(ARCH)/lib/cache.c */ 616 void enable_caches(void); 617 void flush_cache (unsigned long, unsigned long); 618 void flush_dcache_all(void); 619 void flush_dcache_range(unsigned long start, unsigned long stop); 620 void invalidate_dcache_range(unsigned long start, unsigned long stop); 621 void invalidate_dcache_all(void); 622 void invalidate_icache_all(void); 623 624 enum { 625 /* Disable caches (else flush caches but leave them active) */ 626 CBL_DISABLE_CACHES = 1 << 0, 627 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 628 629 CBL_ALL = 3, 630 }; 631 632 /** 633 * Clean up ready for linux 634 * 635 * @param flags Flags to control what is done 636 */ 637 int cleanup_before_linux_select(int flags); 638 639 /* arch/$(ARCH)/lib/ticks.S */ 640 uint64_t get_ticks(void); 641 void wait_ticks (unsigned long); 642 643 /* arch/$(ARCH)/lib/time.c */ 644 ulong usec2ticks (unsigned long usec); 645 ulong ticks2usec (unsigned long ticks); 646 647 /* lib/gunzip.c */ 648 int gunzip(void *, int, unsigned char *, unsigned long *); 649 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 650 int stoponerr, int offset); 651 652 /** 653 * gzwrite progress indicators: defined weak to allow board-specific 654 * overrides: 655 * 656 * gzwrite_progress_init called on startup 657 * gzwrite_progress called during decompress/write loop 658 * gzwrite_progress_finish called at end of loop to 659 * indicate success (retcode=0) or failure 660 */ 661 void gzwrite_progress_init(u64 expected_size); 662 663 void gzwrite_progress(int iteration, 664 u64 bytes_written, 665 u64 total_bytes); 666 667 void gzwrite_progress_finish(int retcode, 668 u64 totalwritten, 669 u64 totalsize, 670 u32 expected_crc, 671 u32 calculated_crc); 672 673 /** 674 * decompress and write gzipped image from memory to block device 675 * 676 * @param src compressed image address 677 * @param len compressed image length in bytes 678 * @param dev block device descriptor 679 * @param szwritebuf bytes per write (pad to erase size) 680 * @param startoffs offset in bytes of first write 681 * @param szexpected expected uncompressed length 682 * may be zero to use gzip trailer 683 * for files under 4GiB 684 */ 685 int gzwrite(unsigned char *src, int len, 686 struct blk_desc *dev, 687 unsigned long szwritebuf, 688 u64 startoffs, 689 u64 szexpected); 690 691 /* lib/lz4_wrapper.c */ 692 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 693 694 /* lib/qsort.c */ 695 void qsort(void *base, size_t nmemb, size_t size, 696 int(*compar)(const void *, const void *)); 697 int strcmp_compar(const void *, const void *); 698 699 /* lib/uuid.c */ 700 #include <uuid.h> 701 702 /* lib/vsprintf.c */ 703 #include <vsprintf.h> 704 705 /* lib/strmhz.c */ 706 char * strmhz(char *buf, unsigned long hz); 707 708 /* lib/crc32.c */ 709 #include <u-boot/crc.h> 710 711 /* lib/rand.c */ 712 #define RAND_MAX -1U 713 void srand(unsigned int seed); 714 unsigned int rand(void); 715 unsigned int rand_r(unsigned int *seedp); 716 717 /* 718 * STDIO based functions (can always be used) 719 */ 720 /* serial stuff */ 721 int serial_printf (const char *fmt, ...) 722 __attribute__ ((format (__printf__, 1, 2))); 723 724 /* lib/gzip.c */ 725 int gzip(void *dst, unsigned long *lenp, 726 unsigned char *src, unsigned long srclen); 727 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 728 unsigned long srclen, int stoponerr, 729 int (*func)(unsigned long, unsigned long)); 730 731 /* lib/net_utils.c */ 732 #include <net.h> 733 static inline struct in_addr env_get_ip(char *var) 734 { 735 return string_to_ip(env_get(var)); 736 } 737 738 int pcmcia_init (void); 739 740 #ifdef CONFIG_LED_STATUS 741 # include <status_led.h> 742 #endif 743 744 #include <bootstage.h> 745 746 #ifdef CONFIG_SHOW_ACTIVITY 747 void show_activity(int arg); 748 #endif 749 750 /* Multicore arch functions */ 751 #ifdef CONFIG_MP 752 int cpu_status(int nr); 753 int cpu_reset(int nr); 754 int cpu_disable(int nr); 755 int cpu_release(int nr, int argc, char * const argv[]); 756 #endif 757 758 #else /* __ASSEMBLY__ */ 759 760 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 761 #define _AC(X, Y) X 762 763 #endif /* __ASSEMBLY__ */ 764 765 /* Put only stuff here that the assembler can digest */ 766 767 /* Declare an unsigned long constant digestable both by C and an assembler. */ 768 #define UL(x) _AC(x, UL) 769 770 #ifdef CONFIG_POST 771 #define CONFIG_HAS_POST 772 #ifndef CONFIG_POST_ALT_LIST 773 #define CONFIG_POST_STD_LIST 774 #endif 775 #endif 776 777 #ifdef CONFIG_INIT_CRITICAL 778 #error CONFIG_INIT_CRITICAL is deprecated! 779 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 780 #endif 781 782 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 783 784 /* 785 * check_member() - Check the offset of a structure member 786 * 787 * @structure: Name of structure (e.g. global_data) 788 * @member: Name of member (e.g. baudrate) 789 * @offset: Expected offset in bytes 790 */ 791 #define check_member(structure, member, offset) _Static_assert( \ 792 offsetof(struct structure, member) == offset, \ 793 "`struct " #structure "` offset for `" #member "` is not " #offset) 794 795 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 796 #ifdef CONFIG_EFI_STUB 797 #define ll_boot_init() false 798 #else 799 #define ll_boot_init() true 800 #endif 801 802 /* Pull in stuff for the build system */ 803 #ifdef DO_DEPS_ONLY 804 # include <environment.h> 805 #endif 806 807 #endif /* __COMMON_H_ */ 808