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 #include <part.h> 35 #include <flash.h> 36 #include <image.h> 37 38 /* Bring in printf format macros if inttypes.h is included */ 39 #define __STDC_FORMAT_MACROS 40 41 #ifdef __LP64__ 42 #define CONFIG_SYS_SUPPORT_64BIT_DATA 43 #endif 44 45 #ifdef DEBUG 46 #define _DEBUG 1 47 #else 48 #define _DEBUG 0 49 #endif 50 51 #ifdef CONFIG_SPL_BUILD 52 #define _SPL_BUILD 1 53 #else 54 #define _SPL_BUILD 0 55 #endif 56 57 /* Define this at the top of a file to add a prefix to debug messages */ 58 #ifndef pr_fmt 59 #define pr_fmt(fmt) fmt 60 #endif 61 62 /* 63 * Output a debug text when condition "cond" is met. The "cond" should be 64 * computed by a preprocessor in the best case, allowing for the best 65 * optimization. 66 */ 67 #define debug_cond(cond, fmt, args...) \ 68 do { \ 69 if (cond) \ 70 printf(pr_fmt(fmt), ##args); \ 71 } while (0) 72 73 /* Show a message if DEBUG is defined in a file */ 74 #define debug(fmt, args...) \ 75 debug_cond(_DEBUG, fmt, ##args) 76 77 /* Show a message if not in SPL */ 78 #define warn_non_spl(fmt, args...) \ 79 debug_cond(!_SPL_BUILD, fmt, ##args) 80 81 /* 82 * An assertion is run-time check done in debug mode only. If DEBUG is not 83 * defined then it is skipped. If DEBUG is defined and the assertion fails, 84 * then it calls panic*( which may or may not reset/halt U-Boot (see 85 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 86 * before release, and after release it is hoped that they don't matter. But 87 * in any case these failing assertions cannot be fixed with a reset (which 88 * may just do the same assertion again). 89 */ 90 void __assert_fail(const char *assertion, const char *file, unsigned line, 91 const char *function); 92 #define assert(x) \ 93 ({ if (!(x) && _DEBUG) \ 94 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 95 96 #define error(fmt, args...) do { \ 97 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 98 ##args, __FILE__, __LINE__, __func__); \ 99 } while (0) 100 101 #ifndef BUG 102 #define BUG() do { \ 103 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 104 panic("BUG!"); \ 105 } while (0) 106 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 107 #endif /* BUG */ 108 109 #ifndef CONFIG_IRQ 110 typedef void (interrupt_handler_t)(void *); 111 #else 112 typedef void (interrupt_handler_t)(int, void *); 113 #endif 114 115 #include <asm/u-boot.h> /* boot information for Linux kernel */ 116 #include <asm/global_data.h> /* global data used for startup functions */ 117 118 #if defined(CONFIG_ENV_IS_EMBEDDED) 119 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 120 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 121 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 122 defined(CONFIG_ENV_IS_IN_NVRAM) 123 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 124 #else 125 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 126 #endif 127 128 /* 129 * Function Prototypes 130 */ 131 int dram_init(void); 132 133 /** 134 * dram_init_banksize() - Set up DRAM bank sizes 135 * 136 * This can be implemented by boards to set up the DRAM bank information in 137 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 138 * is called. 139 * 140 * If this is not provided, a default implementation will try to set up a 141 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 142 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 143 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 144 * get_effective_memsize(). 145 * 146 * @return 0 if OK, -ve on error 147 */ 148 int dram_init_banksize(void); 149 150 void hang (void) __attribute__ ((noreturn)); 151 152 int timer_init(void); 153 int cpu_init(void); 154 155 #include <display_options.h> 156 157 /* common/main.c */ 158 void main_loop (void); 159 int run_command(const char *cmd, int flag); 160 int run_command_repeatable(const char *cmd, int flag); 161 162 /** 163 * Run a list of commands separated by ; or even \0 164 * 165 * Note that if 'len' is not -1, then the command does not need to be nul 166 * terminated, Memory will be allocated for the command in that case. 167 * 168 * @param cmd List of commands to run, each separated bu semicolon 169 * @param len Length of commands excluding terminator if known (-1 if not) 170 * @param flag Execution flags (CMD_FLAG_...) 171 * @return 0 on success, or != 0 on error. 172 */ 173 int run_command_list(const char *cmd, int len, int flag); 174 175 /* arch/$(ARCH)/lib/board.c */ 176 void board_init_f(ulong); 177 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 178 179 /** 180 * ulong board_init_f_alloc_reserve - allocate reserved area 181 * 182 * This function is called by each architecture very early in the start-up 183 * code to allow the C runtime to reserve space on the stack for writable 184 * 'globals' such as GD and the malloc arena. 185 * 186 * @top: top of the reserve area, growing down. 187 * @return: bottom of reserved area 188 */ 189 ulong board_init_f_alloc_reserve(ulong top); 190 191 /** 192 * board_init_f_init_reserve - initialize the reserved area(s) 193 * 194 * This function is called once the C runtime has allocated the reserved 195 * area on the stack. It must initialize the GD at the base of that area. 196 * 197 * @base: top from which reservation was done 198 */ 199 void board_init_f_init_reserve(ulong base); 200 201 /** 202 * arch_setup_gd() - Set up the global_data pointer 203 * 204 * This pointer is special in some architectures and cannot easily be assigned 205 * to. For example on x86 it is implemented by adding a specific record to its 206 * Global Descriptor Table! So we we provide a function to carry out this task. 207 * For most architectures this can simply be: 208 * 209 * gd = gd_ptr; 210 * 211 * @gd_ptr: Pointer to global data 212 */ 213 void arch_setup_gd(gd_t *gd_ptr); 214 215 int checkboard(void); 216 int show_board_info(void); 217 int checkflash(void); 218 int checkdram(void); 219 int last_stage_init(void); 220 extern ulong monitor_flash_len; 221 int mac_read_from_eeprom(void); 222 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 223 int set_cpu_clk_info(void); 224 int mdm_init(void); 225 int print_cpuinfo(void); 226 int update_flash_size(int flash_size); 227 int arch_early_init_r(void); 228 229 /* 230 * setup_board_extra() - Fill in extra details in the bd_t structure 231 * 232 * @return 0 if OK, -ve on error 233 */ 234 int setup_board_extra(void); 235 236 /** 237 * arch_fsp_init() - perform firmware support package init 238 * 239 * Where U-Boot relies on binary blobs to handle part of the system init, this 240 * function can be used to set up the blobs. This is used on some Intel 241 * platforms. 242 */ 243 int arch_fsp_init(void); 244 245 /** 246 * arch_cpu_init_dm() - init CPU after driver model is available 247 * 248 * This is called immediately after driver model is available before 249 * relocation. This is similar to arch_cpu_init() but is able to reference 250 * devices 251 * 252 * @return 0 if OK, -ve on error 253 */ 254 int arch_cpu_init_dm(void); 255 256 /** 257 * Reserve all necessary stacks 258 * 259 * This is used in generic board init sequence in common/board_f.c. Each 260 * architecture could provide this function to tailor the required stacks. 261 * 262 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 263 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 264 * require only this can leave it untouched. 265 * 266 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 267 * positions of the stack. The stack pointer(s) will be set to this later. 268 * gd->irq_sp is only required, if the architecture needs it. 269 * 270 * @return 0 if no error 271 */ 272 __weak int arch_reserve_stacks(void); 273 274 /** 275 * Show the DRAM size in a board-specific way 276 * 277 * This is used by boards to display DRAM information in their own way. 278 * 279 * @param size Size of DRAM (which should be displayed along with other info) 280 */ 281 void board_show_dram(phys_size_t size); 282 283 /** 284 * arch_fixup_fdt() - Write arch-specific information to fdt 285 * 286 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 287 * 288 * @blob: FDT blob to write to 289 * @return 0 if ok, or -ve FDT_ERR_... on failure 290 */ 291 int arch_fixup_fdt(void *blob); 292 293 int reserve_mmu(void); 294 /* common/flash.c */ 295 void flash_perror (int); 296 297 /* common/cmd_source.c */ 298 int source (ulong addr, const char *fit_uname); 299 300 extern ulong load_addr; /* Default Load Address */ 301 extern ulong save_addr; /* Default Save Address */ 302 extern ulong save_size; /* Default Save Size */ 303 304 /* common/cmd_net.c */ 305 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 306 307 /* common/cmd_fat.c */ 308 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 309 310 /* common/cmd_ext2.c */ 311 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 312 313 /* common/cmd_nvedit.c */ 314 int env_init (void); 315 void env_relocate (void); 316 int envmatch (uchar *, int); 317 318 /** 319 * env_get() - Look up the value of an environment variable 320 * 321 * In U-Boot proper this can be called before relocation (which is when the 322 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 323 * case this function calls env_get_f(). 324 * 325 * @varname: Variable to look up 326 * @return value of variable, or NULL if not found 327 */ 328 char *env_get(const char *varname); 329 330 /** 331 * env_get_f() - Look up the value of an environment variable (early) 332 * 333 * This function is called from env_get() if the environment has not been 334 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 335 * support reading the value (slowly) and some will not. 336 * 337 * @varname: Variable to look up 338 * @return value of variable, or NULL if not found 339 */ 340 int env_get_f(const char *name, char *buf, unsigned len); 341 342 /** 343 * env_get_ulong() - Return an environment variable as an integer value 344 * 345 * Most U-Boot environment variables store hex values. For those which store 346 * (e.g.) base-10 integers, this function can be used to read the value. 347 * 348 * @name: Variable to look up 349 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 350 * @default_val: Default value to return if no value is found 351 * @return the value found, or @default_val if none 352 */ 353 ulong env_get_ulong(const char *name, int base, ulong default_val); 354 355 /** 356 * env_get_hex() - Return an environment variable as a hex value 357 * 358 * Decode an environment as a hex number (it may or may not have a 0x 359 * prefix). If the environment variable cannot be found, or does not start 360 * with hex digits, the default value is returned. 361 * 362 * @varname: Variable to decode 363 * @default_val: Value to return on error 364 */ 365 ulong env_get_hex(const char *varname, ulong default_val); 366 367 /* 368 * Read an environment variable as a boolean 369 * Return -1 if variable does not exist (default to true) 370 */ 371 int env_get_yesno(const char *var); 372 373 /** 374 * env_set() - set an environment variable 375 * 376 * This sets or deletes the value of an environment variable. For setting the 377 * value the variable is created if it does not already exist. 378 * 379 * @varname: Variable to adjust 380 * @value: Value to set for the variable, or NULL or "" to delete the variable 381 * @return 0 if OK, 1 on error 382 */ 383 int env_set(const char *varname, const char *value); 384 385 /** 386 * env_update() - update sub value of an environment variable 387 * 388 * This add/append/replace the sub value of an environment variable. 389 * 390 * @varname: Variable to adjust 391 * @valude: Value to append/replace 392 * @return 0 if OK, 1 on error 393 */ 394 int env_update(const char *varname, const char *varvalue); 395 396 /** 397 * env_set_ulong() - set an environment variable to an integer 398 * 399 * @varname: Variable to adjust 400 * @value: Value to set for the variable (will be converted to a string) 401 * @return 0 if OK, 1 on error 402 */ 403 int env_set_ulong(const char *varname, ulong value); 404 405 /** 406 * env_set_hex() - set an environment variable to a hex value 407 * 408 * @varname: Variable to adjust 409 * @value: Value to set for the variable (will be converted to a hex string) 410 * @return 0 if OK, 1 on error 411 */ 412 int env_set_hex(const char *varname, ulong value); 413 414 /** 415 * env_set_addr - Set an environment variable to an address in hex 416 * 417 * @varname: Environment variable to set 418 * @addr: Value to set it to 419 * @return 0 if ok, 1 on error 420 */ 421 static inline int env_set_addr(const char *varname, const void *addr) 422 { 423 return env_set_hex(varname, (ulong)addr); 424 } 425 426 #ifdef CONFIG_AUTO_COMPLETE 427 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 428 #endif 429 int get_env_id (void); 430 431 void pci_init (void); 432 void pci_init_board(void); 433 434 #if defined(CONFIG_DTB_RESELECT) 435 int embedded_dtb_select(void); 436 #endif 437 438 int misc_init_f (void); 439 int misc_init_r (void); 440 441 /* common/exports.c */ 442 void jumptable_init(void); 443 444 /* common/kallsysm.c */ 445 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 446 447 /* common/memsize.c */ 448 long get_ram_size (long *, long); 449 phys_size_t get_effective_memsize(void); 450 451 /* $(BOARD)/$(BOARD).c */ 452 void reset_phy (void); 453 void fdc_hw_init (void); 454 455 /* $(BOARD)/eeprom.c */ 456 #ifdef CONFIG_CMD_EEPROM 457 void eeprom_init (int bus); 458 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 459 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 460 #else 461 /* 462 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 463 * some macros here so we don't have to touch every one of those uses 464 */ 465 #define eeprom_init(bus) 466 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 467 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 468 #endif 469 470 /* 471 * Set this up regardless of board 472 * type, to prevent errors. 473 */ 474 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 475 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 476 #else 477 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 478 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 479 #endif 480 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 481 482 #if defined(CONFIG_SPI) 483 extern void spi_init_f (void); 484 extern void spi_init_r (void); 485 extern ssize_t spi_read (uchar *, int, uchar *, int); 486 extern ssize_t spi_write (uchar *, int, uchar *, int); 487 #endif 488 489 /* $(BOARD)/$(BOARD).c */ 490 int board_early_init_f (void); 491 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 492 int board_late_init (void); 493 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 494 int board_early_init_r (void); 495 void board_poweroff (void); 496 497 #if defined(CONFIG_SYS_DRAM_TEST) 498 int testdram(void); 499 #endif /* CONFIG_SYS_DRAM_TEST */ 500 501 /* $(CPU)/start.S */ 502 int icache_status (void); 503 void icache_enable (void); 504 void icache_disable(void); 505 int dcache_status (void); 506 void dcache_enable (void); 507 void dcache_disable(void); 508 void mmu_disable(void); 509 #if defined(CONFIG_ARM) 510 void relocate_code(ulong); 511 #else 512 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 513 #endif 514 ulong get_endaddr (void); 515 void trap_init (ulong); 516 517 /* $(CPU)/cpu.c */ 518 static inline int cpumask_next(int cpu, unsigned int mask) 519 { 520 for (cpu++; !((1 << cpu) & mask); cpu++) 521 ; 522 523 return cpu; 524 } 525 526 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 527 for (iter = 0, cpu = cpumask_next(-1, mask); \ 528 iter < num_cpus; \ 529 iter++, cpu = cpumask_next(cpu, mask)) \ 530 531 int cpu_numcores (void); 532 int cpu_num_dspcores(void); 533 u32 cpu_mask (void); 534 u32 cpu_dsp_mask(void); 535 int is_core_valid (unsigned int); 536 537 /** 538 * arch_cpu_init() - basic cpu-dependent setup for an architecture 539 * 540 * This is called after early malloc is available. It should handle any 541 * CPU- or SoC- specific init needed to continue the init sequence. See 542 * board_f.c for where it is called. If this is not provided, a default 543 * version (which does nothing) will be used. 544 */ 545 int arch_cpu_init(void); 546 547 int checkcpu (void); 548 int checkicache (void); 549 int checkdcache (void); 550 void upmconfig (unsigned int, unsigned int *, unsigned int); 551 ulong get_tbclk (void); 552 void reset_misc (void); 553 void reset_cpu (ulong addr); 554 void ft_cpu_setup(void *blob, bd_t *bd); 555 void ft_pci_setup(void *blob, bd_t *bd); 556 557 void smp_set_core_boot_addr(unsigned long addr, int corenr); 558 void smp_kick_all_cpus(void); 559 560 /* $(CPU)/serial.c */ 561 int serial_init (void); 562 void serial_setbrg (void); 563 void serial_putc (const char); 564 void serial_putc_raw(const char); 565 void serial_puts (const char *); 566 int serial_getc (void); 567 int serial_tstc (void); 568 569 /* $(CPU)/speed.c */ 570 int get_clocks (void); 571 ulong get_bus_freq (ulong); 572 int get_serial_clock(void); 573 574 int cpu_init_r (void); 575 576 /* $(CPU)/interrupts.c */ 577 int interrupt_init (void); 578 void timer_interrupt (struct pt_regs *); 579 void external_interrupt (struct pt_regs *); 580 void irq_install_handler(int, interrupt_handler_t *, void *); 581 void irq_free_handler (int); 582 void reset_timer (void); 583 584 /* Return value of monotonic microsecond timer */ 585 unsigned long timer_get_us(void); 586 587 void enable_interrupts (void); 588 int disable_interrupts (void); 589 590 /* $(CPU)/.../commproc.c */ 591 int dpram_init (void); 592 uint dpram_base(void); 593 uint dpram_base_align(uint align); 594 uint dpram_alloc(uint size); 595 uint dpram_alloc_align(uint size,uint align); 596 void bootcount_store (ulong); 597 ulong bootcount_load (void); 598 #define BOOTCOUNT_MAGIC 0xB001C041 599 600 /* $(CPU)/.../<eth> */ 601 void mii_init (void); 602 603 /* $(CPU)/.../lcd.c */ 604 ulong lcd_setmem (ulong); 605 606 /* $(CPU)/.../video.c */ 607 ulong video_setmem (ulong); 608 609 /* arch/$(ARCH)/lib/cache.c */ 610 void enable_caches(void); 611 void flush_cache (unsigned long, unsigned long); 612 void flush_dcache_all(void); 613 void flush_dcache_range(unsigned long start, unsigned long stop); 614 void invalidate_dcache_range(unsigned long start, unsigned long stop); 615 void invalidate_dcache_all(void); 616 void invalidate_icache_all(void); 617 618 enum { 619 /* Disable caches (else flush caches but leave them active) */ 620 CBL_DISABLE_CACHES = 1 << 0, 621 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 622 623 CBL_ALL = 3, 624 }; 625 626 /** 627 * Clean up ready for linux 628 * 629 * @param flags Flags to control what is done 630 */ 631 int cleanup_before_linux_select(int flags); 632 633 /* arch/$(ARCH)/lib/ticks.S */ 634 uint64_t get_ticks(void); 635 void wait_ticks (unsigned long); 636 637 /* arch/$(ARCH)/lib/time.c */ 638 ulong usec2ticks (unsigned long usec); 639 ulong ticks2usec (unsigned long ticks); 640 641 /* lib/gunzip.c */ 642 int gunzip(void *, int, unsigned char *, unsigned long *); 643 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 644 int stoponerr, int offset); 645 646 /** 647 * gzwrite progress indicators: defined weak to allow board-specific 648 * overrides: 649 * 650 * gzwrite_progress_init called on startup 651 * gzwrite_progress called during decompress/write loop 652 * gzwrite_progress_finish called at end of loop to 653 * indicate success (retcode=0) or failure 654 */ 655 void gzwrite_progress_init(u64 expected_size); 656 657 void gzwrite_progress(int iteration, 658 u64 bytes_written, 659 u64 total_bytes); 660 661 void gzwrite_progress_finish(int retcode, 662 u64 totalwritten, 663 u64 totalsize, 664 u32 expected_crc, 665 u32 calculated_crc); 666 667 /** 668 * decompress and write gzipped image from memory to block device 669 * 670 * @param src compressed image address 671 * @param len compressed image length in bytes 672 * @param dev block device descriptor 673 * @param szwritebuf bytes per write (pad to erase size) 674 * @param startoffs offset in bytes of first write 675 * @param szexpected expected uncompressed length 676 * may be zero to use gzip trailer 677 * for files under 4GiB 678 */ 679 int gzwrite(unsigned char *src, int len, 680 struct blk_desc *dev, 681 unsigned long szwritebuf, 682 u64 startoffs, 683 u64 szexpected); 684 685 /* lib/lz4_wrapper.c */ 686 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 687 688 /* lib/qsort.c */ 689 void qsort(void *base, size_t nmemb, size_t size, 690 int(*compar)(const void *, const void *)); 691 int strcmp_compar(const void *, const void *); 692 693 /* lib/uuid.c */ 694 #include <uuid.h> 695 696 /* lib/vsprintf.c */ 697 #include <vsprintf.h> 698 699 /* lib/strmhz.c */ 700 char * strmhz(char *buf, unsigned long hz); 701 702 /* lib/crc32.c */ 703 #include <u-boot/crc.h> 704 705 /* lib/rand.c */ 706 #define RAND_MAX -1U 707 void srand(unsigned int seed); 708 unsigned int rand(void); 709 unsigned int rand_r(unsigned int *seedp); 710 711 /* 712 * STDIO based functions (can always be used) 713 */ 714 /* serial stuff */ 715 int serial_printf (const char *fmt, ...) 716 __attribute__ ((format (__printf__, 1, 2))); 717 /* stdin */ 718 int getc(void); 719 int tstc(void); 720 721 /* stdout */ 722 #if !defined(CONFIG_SPL_BUILD) || \ 723 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 724 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 725 defined(CONFIG_SPL_SERIAL_SUPPORT)) 726 void putc(const char c); 727 void puts(const char *s); 728 int printf(const char *fmt, ...) 729 __attribute__ ((format (__printf__, 1, 2))); 730 int vprintf(const char *fmt, va_list args); 731 #else 732 #define putc(...) do { } while (0) 733 #define puts(...) do { } while (0) 734 #define printf(...) do { } while (0) 735 #define vprintf(...) do { } while (0) 736 #endif 737 738 /* stderr */ 739 #define eputc(c) fputc(stderr, c) 740 #define eputs(s) fputs(stderr, s) 741 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 742 743 /* 744 * FILE based functions (can only be used AFTER relocation!) 745 */ 746 #define stdin 0 747 #define stdout 1 748 #define stderr 2 749 #define MAX_FILES 3 750 751 int fprintf(int file, const char *fmt, ...) 752 __attribute__ ((format (__printf__, 2, 3))); 753 void fputs(int file, const char *s); 754 void fputc(int file, const char c); 755 int ftstc(int file); 756 int fgetc(int file); 757 758 /* lib/gzip.c */ 759 int gzip(void *dst, unsigned long *lenp, 760 unsigned char *src, unsigned long srclen); 761 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 762 unsigned long srclen, int stoponerr, 763 int (*func)(unsigned long, unsigned long)); 764 765 /* lib/net_utils.c */ 766 #include <net.h> 767 static inline struct in_addr env_get_ip(char *var) 768 { 769 return string_to_ip(env_get(var)); 770 } 771 772 int pcmcia_init (void); 773 774 #ifdef CONFIG_LED_STATUS 775 # include <status_led.h> 776 #endif 777 778 #include <bootstage.h> 779 780 #ifdef CONFIG_SHOW_ACTIVITY 781 void show_activity(int arg); 782 #endif 783 784 /* Multicore arch functions */ 785 #ifdef CONFIG_MP 786 int cpu_status(int nr); 787 int cpu_reset(int nr); 788 int cpu_disable(int nr); 789 int cpu_release(int nr, int argc, char * const argv[]); 790 #endif 791 792 #else /* __ASSEMBLY__ */ 793 794 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 795 #define _AC(X, Y) X 796 797 #endif /* __ASSEMBLY__ */ 798 799 /* Put only stuff here that the assembler can digest */ 800 801 /* Declare an unsigned long constant digestable both by C and an assembler. */ 802 #define UL(x) _AC(x, UL) 803 804 #ifdef CONFIG_POST 805 #define CONFIG_HAS_POST 806 #ifndef CONFIG_POST_ALT_LIST 807 #define CONFIG_POST_STD_LIST 808 #endif 809 #endif 810 811 #ifdef CONFIG_INIT_CRITICAL 812 #error CONFIG_INIT_CRITICAL is deprecated! 813 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 814 #endif 815 816 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 817 818 /* 819 * check_member() - Check the offset of a structure member 820 * 821 * @structure: Name of structure (e.g. global_data) 822 * @member: Name of member (e.g. baudrate) 823 * @offset: Expected offset in bytes 824 */ 825 #define check_member(structure, member, offset) _Static_assert( \ 826 offsetof(struct structure, member) == offset, \ 827 "`struct " #structure "` offset for `" #member "` is not " #offset) 828 829 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 830 #ifdef CONFIG_EFI_STUB 831 #define ll_boot_init() false 832 #else 833 #define ll_boot_init() true 834 #endif 835 836 /* Pull in stuff for the build system */ 837 #ifdef DO_DEPS_ONLY 838 # include <environment.h> 839 #endif 840 841 #endif /* __COMMON_H_ */ 842