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/printk.h> 29 #include <linux/string.h> 30 #include <linux/stringify.h> 31 #include <asm/ptrace.h> 32 #include <stdarg.h> 33 #include <stdio.h> 34 #include <linux/kernel.h> 35 36 #include <part.h> 37 #include <flash.h> 38 #include <image.h> 39 40 /* Bring in printf format macros if inttypes.h is included */ 41 #define __STDC_FORMAT_MACROS 42 43 #ifdef __LP64__ 44 #define CONFIG_SYS_SUPPORT_64BIT_DATA 45 #endif 46 47 #ifdef DEBUG 48 #define _DEBUG 1 49 #else 50 #define _DEBUG 0 51 #endif 52 53 #ifdef CONFIG_SPL_BUILD 54 #define _SPL_BUILD 1 55 #else 56 #define _SPL_BUILD 0 57 #endif 58 59 /* 60 * Output a debug text when condition "cond" is met. The "cond" should be 61 * computed by a preprocessor in the best case, allowing for the best 62 * optimization. 63 */ 64 #define debug_cond(cond, fmt, args...) \ 65 do { \ 66 if (cond) \ 67 printf(pr_fmt(fmt), ##args); \ 68 } while (0) 69 70 /* Show a message if DEBUG is defined in a file */ 71 #define debug(fmt, args...) \ 72 debug_cond(_DEBUG, fmt, ##args) 73 74 /* Show a message if not in SPL */ 75 #define warn_non_spl(fmt, args...) \ 76 debug_cond(!_SPL_BUILD, fmt, ##args) 77 78 /* 79 * An assertion is run-time check done in debug mode only. If DEBUG is not 80 * defined then it is skipped. If DEBUG is defined and the assertion fails, 81 * then it calls panic*( which may or may not reset/halt U-Boot (see 82 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 83 * before release, and after release it is hoped that they don't matter. But 84 * in any case these failing assertions cannot be fixed with a reset (which 85 * may just do the same assertion again). 86 */ 87 void __assert_fail(const char *assertion, const char *file, unsigned line, 88 const char *function); 89 #define assert(x) \ 90 ({ if (!(x) && _DEBUG) \ 91 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 92 93 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) 94 # undef static_assert 95 # define static_assert _Static_assert 96 #endif 97 98 #ifndef BUG 99 #define BUG() do { \ 100 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 101 panic("BUG!"); \ 102 } while (0) 103 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 104 #endif /* BUG */ 105 106 #ifndef CONFIG_IRQ 107 typedef void (interrupt_handler_t)(void *); 108 #else 109 typedef void (interrupt_handler_t)(int, void *); 110 #endif 111 112 #include <asm/u-boot.h> /* boot information for Linux kernel */ 113 #include <asm/global_data.h> /* global data used for startup functions */ 114 115 #if defined(CONFIG_ENV_IS_EMBEDDED) 116 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 117 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 118 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 119 defined(CONFIG_ENV_IS_IN_NVRAM) 120 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 121 #else 122 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 123 #endif 124 125 /* 126 * Function Prototypes 127 */ 128 int dram_init(void); 129 130 /** 131 * dram_init_banksize() - Set up DRAM bank sizes 132 * 133 * This can be implemented by boards to set up the DRAM bank information in 134 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 135 * is called. 136 * 137 * If this is not provided, a default implementation will try to set up a 138 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 139 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 140 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 141 * get_effective_memsize(). 142 * 143 * @return 0 if OK, -ve on error 144 */ 145 int dram_init_banksize(void); 146 147 void hang (void) __attribute__ ((noreturn)); 148 149 int timer_init(void); 150 int cpu_init(void); 151 152 #include <display_options.h> 153 154 /* common/main.c */ 155 void main_loop (void); 156 int run_command(const char *cmd, int flag); 157 int run_command_repeatable(const char *cmd, int flag); 158 159 /** 160 * Run a list of commands separated by ; or even \0 161 * 162 * Note that if 'len' is not -1, then the command does not need to be nul 163 * terminated, Memory will be allocated for the command in that case. 164 * 165 * @param cmd List of commands to run, each separated bu semicolon 166 * @param len Length of commands excluding terminator if known (-1 if not) 167 * @param flag Execution flags (CMD_FLAG_...) 168 * @return 0 on success, or != 0 on error. 169 */ 170 int run_command_list(const char *cmd, int len, int flag); 171 172 /* arch/$(ARCH)/lib/board.c */ 173 void board_init_f(ulong); 174 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 175 176 /** 177 * ulong board_init_f_alloc_reserve - allocate reserved area 178 * 179 * This function is called by each architecture very early in the start-up 180 * code to allow the C runtime to reserve space on the stack for writable 181 * 'globals' such as GD and the malloc arena. 182 * 183 * @top: top of the reserve area, growing down. 184 * @return: bottom of reserved area 185 */ 186 ulong board_init_f_alloc_reserve(ulong top); 187 188 /** 189 * board_init_f_init_reserve - initialize the reserved area(s) 190 * 191 * This function is called once the C runtime has allocated the reserved 192 * area on the stack. It must initialize the GD at the base of that area. 193 * 194 * @base: top from which reservation was done 195 */ 196 void board_init_f_init_reserve(ulong base); 197 198 /** 199 * arch_setup_gd() - Set up the global_data pointer 200 * 201 * This pointer is special in some architectures and cannot easily be assigned 202 * to. For example on x86 it is implemented by adding a specific record to its 203 * Global Descriptor Table! So we we provide a function to carry out this task. 204 * For most architectures this can simply be: 205 * 206 * gd = gd_ptr; 207 * 208 * @gd_ptr: Pointer to global data 209 */ 210 void arch_setup_gd(gd_t *gd_ptr); 211 212 int checkboard(void); 213 int show_board_info(void); 214 int checkflash(void); 215 int checkdram(void); 216 int last_stage_init(void); 217 extern ulong monitor_flash_len; 218 int mac_read_from_eeprom(void); 219 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 220 int set_cpu_clk_info(void); 221 int mdm_init(void); 222 int print_cpuinfo(void); 223 int update_flash_size(int flash_size); 224 int arch_early_init_r(void); 225 226 /* 227 * setup_board_extra() - Fill in extra details in the bd_t structure 228 * 229 * @return 0 if OK, -ve on error 230 */ 231 int setup_board_extra(void); 232 233 /** 234 * arch_fsp_init() - perform firmware support package init 235 * 236 * Where U-Boot relies on binary blobs to handle part of the system init, this 237 * function can be used to set up the blobs. This is used on some Intel 238 * platforms. 239 */ 240 int arch_fsp_init(void); 241 242 /** 243 * arch_cpu_init_dm() - init CPU after driver model is available 244 * 245 * This is called immediately after driver model is available before 246 * relocation. This is similar to arch_cpu_init() but is able to reference 247 * devices 248 * 249 * @return 0 if OK, -ve on error 250 */ 251 int arch_cpu_init_dm(void); 252 253 /** 254 * Reserve all necessary stacks 255 * 256 * This is used in generic board init sequence in common/board_f.c. Each 257 * architecture could provide this function to tailor the required stacks. 258 * 259 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 260 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 261 * require only this can leave it untouched. 262 * 263 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 264 * positions of the stack. The stack pointer(s) will be set to this later. 265 * gd->irq_sp is only required, if the architecture needs it. 266 * 267 * @return 0 if no error 268 */ 269 __weak int arch_reserve_stacks(void); 270 271 /** 272 * Show the DRAM size in a board-specific way 273 * 274 * This is used by boards to display DRAM information in their own way. 275 * 276 * @param size Size of DRAM (which should be displayed along with other info) 277 */ 278 void board_show_dram(phys_size_t size); 279 280 /** 281 * arch_fixup_fdt() - Write arch-specific information to fdt 282 * 283 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 284 * 285 * @blob: FDT blob to write to 286 * @return 0 if ok, or -ve FDT_ERR_... on failure 287 */ 288 int arch_fixup_fdt(void *blob); 289 290 int reserve_mmu(void); 291 /* common/flash.c */ 292 void flash_perror (int); 293 294 /* common/cmd_source.c */ 295 int source (ulong addr, const char *fit_uname); 296 297 extern ulong load_addr; /* Default Load Address */ 298 extern ulong save_addr; /* Default Save Address */ 299 extern ulong save_size; /* Default Save Size */ 300 301 /* common/cmd_net.c */ 302 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 303 304 /* common/cmd_fat.c */ 305 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 306 307 /* common/cmd_ext2.c */ 308 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 309 310 /* common/cmd_nvedit.c */ 311 int env_init (void); 312 void env_relocate (void); 313 int envmatch (uchar *, int); 314 315 /** 316 * env_get() - Look up the value of an environment variable 317 * 318 * In U-Boot proper this can be called before relocation (which is when the 319 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 320 * case this function calls env_get_f(). 321 * 322 * @varname: Variable to look up 323 * @return value of variable, or NULL if not found 324 */ 325 char *env_get(const char *varname); 326 327 /** 328 * env_get_f() - Look up the value of an environment variable (early) 329 * 330 * This function is called from env_get() if the environment has not been 331 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 332 * support reading the value (slowly) and some will not. 333 * 334 * @varname: Variable to look up 335 * @return value of variable, or NULL if not found 336 */ 337 int env_get_f(const char *name, char *buf, unsigned len); 338 339 /** 340 * env_get_ulong() - Return an environment variable as an integer value 341 * 342 * Most U-Boot environment variables store hex values. For those which store 343 * (e.g.) base-10 integers, this function can be used to read the value. 344 * 345 * @name: Variable to look up 346 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 347 * @default_val: Default value to return if no value is found 348 * @return the value found, or @default_val if none 349 */ 350 ulong env_get_ulong(const char *name, int base, ulong default_val); 351 352 /** 353 * env_get_hex() - Return an environment variable as a hex value 354 * 355 * Decode an environment as a hex number (it may or may not have a 0x 356 * prefix). If the environment variable cannot be found, or does not start 357 * with hex digits, the default value is returned. 358 * 359 * @varname: Variable to decode 360 * @default_val: Value to return on error 361 */ 362 ulong env_get_hex(const char *varname, ulong default_val); 363 364 /* 365 * Read an environment variable as a boolean 366 * Return -1 if variable does not exist (default to true) 367 */ 368 int env_get_yesno(const char *var); 369 370 /** 371 * env_set() - set an environment variable 372 * 373 * This sets or deletes the value of an environment variable. For setting the 374 * value the variable is created if it does not already exist. 375 * 376 * @varname: Variable to adjust 377 * @value: Value to set for the variable, or NULL or "" to delete the variable 378 * @return 0 if OK, 1 on error 379 */ 380 int env_set(const char *varname, const char *value); 381 382 /** 383 * env_update() - update sub value of an environment variable 384 * 385 * This add/append/replace the sub value of an environment variable. 386 * 387 * @varname: Variable to adjust 388 * @valude: Value to append/replace 389 * @return 0 if OK, 1 on error 390 */ 391 int env_update(const char *varname, const char *varvalue); 392 393 /** 394 * env_set_ulong() - set an environment variable to an integer 395 * 396 * @varname: Variable to adjust 397 * @value: Value to set for the variable (will be converted to a string) 398 * @return 0 if OK, 1 on error 399 */ 400 int env_set_ulong(const char *varname, ulong value); 401 402 /** 403 * env_set_hex() - set an environment variable to a hex value 404 * 405 * @varname: Variable to adjust 406 * @value: Value to set for the variable (will be converted to a hex string) 407 * @return 0 if OK, 1 on error 408 */ 409 int env_set_hex(const char *varname, ulong value); 410 411 /** 412 * env_set_addr - Set an environment variable to an address in hex 413 * 414 * @varname: Environment variable to set 415 * @addr: Value to set it to 416 * @return 0 if ok, 1 on error 417 */ 418 static inline int env_set_addr(const char *varname, const void *addr) 419 { 420 return env_set_hex(varname, (ulong)addr); 421 } 422 423 #ifdef CONFIG_AUTO_COMPLETE 424 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 425 #endif 426 int get_env_id (void); 427 428 void pci_init (void); 429 void pci_init_board(void); 430 431 #if defined(CONFIG_DTB_RESELECT) 432 int embedded_dtb_select(void); 433 #endif 434 435 int misc_init_f (void); 436 int misc_init_r (void); 437 438 /* common/exports.c */ 439 void jumptable_init(void); 440 441 /* common/kallsysm.c */ 442 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 443 444 /* common/memsize.c */ 445 long get_ram_size (long *, long); 446 phys_size_t get_effective_memsize(void); 447 448 /* $(BOARD)/$(BOARD).c */ 449 void reset_phy (void); 450 void fdc_hw_init (void); 451 452 /* $(BOARD)/eeprom.c */ 453 #ifdef CONFIG_CMD_EEPROM 454 void eeprom_init (int bus); 455 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 456 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 457 #else 458 /* 459 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 460 * some macros here so we don't have to touch every one of those uses 461 */ 462 #define eeprom_init(bus) 463 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 464 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 465 #endif 466 467 /* 468 * Set this up regardless of board 469 * type, to prevent errors. 470 */ 471 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 472 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 473 #else 474 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 475 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 476 #endif 477 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 478 479 #if defined(CONFIG_SPI) 480 extern void spi_init_f (void); 481 extern void spi_init_r (void); 482 extern ssize_t spi_read (uchar *, int, uchar *, int); 483 extern ssize_t spi_write (uchar *, int, uchar *, int); 484 #endif 485 486 /* $(BOARD)/$(BOARD).c */ 487 int board_early_init_f (void); 488 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 489 int board_late_init (void); 490 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 491 int board_early_init_r (void); 492 void board_poweroff (void); 493 494 #if defined(CONFIG_SYS_DRAM_TEST) 495 int testdram(void); 496 #endif /* CONFIG_SYS_DRAM_TEST */ 497 498 /* $(CPU)/start.S */ 499 int icache_status (void); 500 void icache_enable (void); 501 void icache_disable(void); 502 int dcache_status (void); 503 void dcache_enable (void); 504 void dcache_disable(void); 505 void mmu_disable(void); 506 #if defined(CONFIG_ARM) 507 void relocate_code(ulong); 508 #else 509 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 510 #endif 511 ulong get_endaddr (void); 512 void trap_init (ulong); 513 514 /* $(CPU)/cpu.c */ 515 static inline int cpumask_next(int cpu, unsigned int mask) 516 { 517 for (cpu++; !((1 << cpu) & mask); cpu++) 518 ; 519 520 return cpu; 521 } 522 523 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 524 for (iter = 0, cpu = cpumask_next(-1, mask); \ 525 iter < num_cpus; \ 526 iter++, cpu = cpumask_next(cpu, mask)) \ 527 528 int cpu_numcores (void); 529 int cpu_num_dspcores(void); 530 u32 cpu_mask (void); 531 u32 cpu_dsp_mask(void); 532 int is_core_valid (unsigned int); 533 534 /** 535 * arch_cpu_init() - basic cpu-dependent setup for an architecture 536 * 537 * This is called after early malloc is available. It should handle any 538 * CPU- or SoC- specific init needed to continue the init sequence. See 539 * board_f.c for where it is called. If this is not provided, a default 540 * version (which does nothing) will be used. 541 */ 542 int arch_cpu_init(void); 543 544 int checkcpu (void); 545 int checkicache (void); 546 int checkdcache (void); 547 void upmconfig (unsigned int, unsigned int *, unsigned int); 548 ulong get_tbclk (void); 549 void reset_misc (void); 550 void reset_cpu (ulong addr); 551 void ft_cpu_setup(void *blob, bd_t *bd); 552 void ft_pci_setup(void *blob, bd_t *bd); 553 554 void smp_set_core_boot_addr(unsigned long addr, int corenr); 555 void smp_kick_all_cpus(void); 556 557 /* $(CPU)/serial.c */ 558 int serial_init (void); 559 void serial_setbrg (void); 560 void serial_putc (const char); 561 void serial_putc_raw(const char); 562 void serial_puts (const char *); 563 int serial_getc (void); 564 int serial_tstc (void); 565 566 /* $(CPU)/speed.c */ 567 int get_clocks (void); 568 ulong get_bus_freq (ulong); 569 int get_serial_clock(void); 570 571 int cpu_init_r (void); 572 573 /* $(CPU)/interrupts.c */ 574 int interrupt_init (void); 575 void timer_interrupt (struct pt_regs *); 576 void external_interrupt (struct pt_regs *); 577 void irq_install_handler(int, interrupt_handler_t *, void *); 578 void irq_free_handler (int); 579 void reset_timer (void); 580 581 /* Return value of monotonic microsecond timer */ 582 unsigned long timer_get_us(void); 583 584 void enable_interrupts (void); 585 int disable_interrupts (void); 586 587 /* $(CPU)/.../commproc.c */ 588 int dpram_init (void); 589 uint dpram_base(void); 590 uint dpram_base_align(uint align); 591 uint dpram_alloc(uint size); 592 uint dpram_alloc_align(uint size,uint align); 593 void bootcount_store (ulong); 594 ulong bootcount_load (void); 595 #define BOOTCOUNT_MAGIC 0xB001C041 596 597 /* $(CPU)/.../<eth> */ 598 void mii_init (void); 599 600 /* $(CPU)/.../lcd.c */ 601 ulong lcd_setmem (ulong); 602 603 /* $(CPU)/.../video.c */ 604 ulong video_setmem (ulong); 605 606 /* arch/$(ARCH)/lib/cache.c */ 607 void enable_caches(void); 608 void flush_cache (unsigned long, unsigned long); 609 void flush_dcache_all(void); 610 void flush_dcache_range(unsigned long start, unsigned long stop); 611 void invalidate_dcache_range(unsigned long start, unsigned long stop); 612 void invalidate_dcache_all(void); 613 void invalidate_icache_all(void); 614 615 enum { 616 /* Disable caches (else flush caches but leave them active) */ 617 CBL_DISABLE_CACHES = 1 << 0, 618 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 619 620 CBL_ALL = 3, 621 }; 622 623 /** 624 * Clean up ready for linux 625 * 626 * @param flags Flags to control what is done 627 */ 628 int cleanup_before_linux_select(int flags); 629 630 /* arch/$(ARCH)/lib/ticks.S */ 631 uint64_t get_ticks(void); 632 void wait_ticks (unsigned long); 633 634 /* arch/$(ARCH)/lib/time.c */ 635 ulong usec2ticks (unsigned long usec); 636 ulong ticks2usec (unsigned long ticks); 637 638 /* lib/gunzip.c */ 639 int gunzip(void *, int, unsigned char *, unsigned long *); 640 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 641 int stoponerr, int offset); 642 643 /** 644 * gzwrite progress indicators: defined weak to allow board-specific 645 * overrides: 646 * 647 * gzwrite_progress_init called on startup 648 * gzwrite_progress called during decompress/write loop 649 * gzwrite_progress_finish called at end of loop to 650 * indicate success (retcode=0) or failure 651 */ 652 void gzwrite_progress_init(u64 expected_size); 653 654 void gzwrite_progress(int iteration, 655 u64 bytes_written, 656 u64 total_bytes); 657 658 void gzwrite_progress_finish(int retcode, 659 u64 totalwritten, 660 u64 totalsize, 661 u32 expected_crc, 662 u32 calculated_crc); 663 664 /** 665 * decompress and write gzipped image from memory to block device 666 * 667 * @param src compressed image address 668 * @param len compressed image length in bytes 669 * @param dev block device descriptor 670 * @param szwritebuf bytes per write (pad to erase size) 671 * @param startoffs offset in bytes of first write 672 * @param szexpected expected uncompressed length 673 * may be zero to use gzip trailer 674 * for files under 4GiB 675 */ 676 int gzwrite(unsigned char *src, int len, 677 struct blk_desc *dev, 678 unsigned long szwritebuf, 679 u64 startoffs, 680 u64 szexpected); 681 682 /* lib/lz4_wrapper.c */ 683 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 684 685 /* lib/qsort.c */ 686 void qsort(void *base, size_t nmemb, size_t size, 687 int(*compar)(const void *, const void *)); 688 int strcmp_compar(const void *, const void *); 689 690 /* lib/uuid.c */ 691 #include <uuid.h> 692 693 /* lib/vsprintf.c */ 694 #include <vsprintf.h> 695 696 /* lib/strmhz.c */ 697 char * strmhz(char *buf, unsigned long hz); 698 699 /* lib/crc32.c */ 700 #include <u-boot/crc.h> 701 702 /* lib/rand.c */ 703 #define RAND_MAX -1U 704 void srand(unsigned int seed); 705 unsigned int rand(void); 706 unsigned int rand_r(unsigned int *seedp); 707 708 /* 709 * STDIO based functions (can always be used) 710 */ 711 /* serial stuff */ 712 int serial_printf (const char *fmt, ...) 713 __attribute__ ((format (__printf__, 1, 2))); 714 715 /* lib/gzip.c */ 716 int gzip(void *dst, unsigned long *lenp, 717 unsigned char *src, unsigned long srclen); 718 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 719 unsigned long srclen, int stoponerr, 720 int (*func)(unsigned long, unsigned long)); 721 722 /* lib/net_utils.c */ 723 #include <net.h> 724 static inline struct in_addr env_get_ip(char *var) 725 { 726 return string_to_ip(env_get(var)); 727 } 728 729 int pcmcia_init (void); 730 731 #ifdef CONFIG_LED_STATUS 732 # include <status_led.h> 733 #endif 734 735 #include <bootstage.h> 736 737 #ifdef CONFIG_SHOW_ACTIVITY 738 void show_activity(int arg); 739 #endif 740 741 /* Multicore arch functions */ 742 #ifdef CONFIG_MP 743 int cpu_status(int nr); 744 int cpu_reset(int nr); 745 int cpu_disable(int nr); 746 int cpu_release(int nr, int argc, char * const argv[]); 747 #endif 748 749 #else /* __ASSEMBLY__ */ 750 751 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 752 #define _AC(X, Y) X 753 754 #endif /* __ASSEMBLY__ */ 755 756 /* Put only stuff here that the assembler can digest */ 757 758 /* Declare an unsigned long constant digestable both by C and an assembler. */ 759 #define UL(x) _AC(x, UL) 760 761 #ifdef CONFIG_POST 762 #define CONFIG_HAS_POST 763 #ifndef CONFIG_POST_ALT_LIST 764 #define CONFIG_POST_STD_LIST 765 #endif 766 #endif 767 768 #ifdef CONFIG_INIT_CRITICAL 769 #error CONFIG_INIT_CRITICAL is deprecated! 770 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 771 #endif 772 773 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 774 775 /* 776 * check_member() - Check the offset of a structure member 777 * 778 * @structure: Name of structure (e.g. global_data) 779 * @member: Name of member (e.g. baudrate) 780 * @offset: Expected offset in bytes 781 */ 782 #define check_member(structure, member, offset) _Static_assert( \ 783 offsetof(struct structure, member) == offset, \ 784 "`struct " #structure "` offset for `" #member "` is not " #offset) 785 786 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 787 #ifdef CONFIG_EFI_STUB 788 #define ll_boot_init() false 789 #else 790 #define ll_boot_init() true 791 #endif 792 793 /* Pull in stuff for the build system */ 794 #ifdef DO_DEPS_ONLY 795 # include <environment.h> 796 #endif 797 798 #endif /* __COMMON_H_ */ 799