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