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/bug.h> 27 #include <linux/delay.h> 28 #include <linux/types.h> 29 #include <linux/printk.h> 30 #include <linux/string.h> 31 #include <linux/stringify.h> 32 #include <asm/ptrace.h> 33 #include <stdarg.h> 34 #include <stdio.h> 35 #include <linux/kernel.h> 36 37 #include <part.h> 38 #include <flash.h> 39 #include <image.h> 40 #include <stacktrace.h> 41 42 /* Bring in printf format macros if inttypes.h is included */ 43 #define __STDC_FORMAT_MACROS 44 45 #ifdef __LP64__ 46 #define CONFIG_SYS_SUPPORT_64BIT_DATA 47 #endif 48 49 #include <log.h> 50 51 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) 52 # undef static_assert 53 # define static_assert _Static_assert 54 #endif 55 56 #if !CONFIG_IS_ENABLED(IRQ) 57 typedef void (interrupt_handler_t)(void *); 58 #else 59 typedef void (interrupt_handler_t)(int, void *); 60 #endif 61 62 #include <asm/u-boot.h> /* boot information for Linux kernel */ 63 #include <asm/global_data.h> /* global data used for startup functions */ 64 65 #if defined(CONFIG_ENV_IS_EMBEDDED) 66 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 67 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 68 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 69 defined(CONFIG_ENV_IS_IN_NVRAM) 70 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 71 #else 72 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 73 #endif 74 75 /* 76 * Function Prototypes 77 */ 78 int dram_init(void); 79 80 /** 81 * dram_init_banksize() - Set up DRAM bank sizes 82 * 83 * This can be implemented by boards to set up the DRAM bank information in 84 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 85 * is called. 86 * 87 * If this is not provided, a default implementation will try to set up a 88 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 89 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 90 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 91 * get_effective_memsize(). 92 * 93 * @return 0 if OK, -ve on error 94 */ 95 int dram_init_banksize(void); 96 97 void hang (void) __attribute__ ((noreturn)); 98 99 int timer_init(void); 100 int cpu_init(void); 101 102 #include <display_options.h> 103 104 /* common/main.c */ 105 void main_loop (void); 106 void autoboot_command_fail_handle(void); 107 int run_command(const char *cmd, int flag); 108 int run_command_repeatable(const char *cmd, int flag); 109 110 /** 111 * Run a list of commands separated by ; or even \0 112 * 113 * Note that if 'len' is not -1, then the command does not need to be nul 114 * terminated, Memory will be allocated for the command in that case. 115 * 116 * @param cmd List of commands to run, each separated bu semicolon 117 * @param len Length of commands excluding terminator if known (-1 if not) 118 * @param flag Execution flags (CMD_FLAG_...) 119 * @return 0 on success, or != 0 on error. 120 */ 121 int run_command_list(const char *cmd, int len, int flag); 122 123 /* arch/$(ARCH)/lib/board.c */ 124 void board_init_f(ulong); 125 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 126 127 /** 128 * ulong board_init_f_alloc_reserve - allocate reserved area 129 * 130 * This function is called by each architecture very early in the start-up 131 * code to allow the C runtime to reserve space on the stack for writable 132 * 'globals' such as GD and the malloc arena. 133 * 134 * @top: top of the reserve area, growing down. 135 * @return: bottom of reserved area 136 */ 137 ulong board_init_f_alloc_reserve(ulong top); 138 139 /** 140 * board_init_f_init_reserve - initialize the reserved area(s) 141 * 142 * This function is called once the C runtime has allocated the reserved 143 * area on the stack. It must initialize the GD at the base of that area. 144 * 145 * @base: top from which reservation was done 146 */ 147 void board_init_f_init_reserve(ulong base); 148 149 /* 150 * Board-specific Platform code can init serial earlier if needed 151 */ 152 __weak int board_init_f_boot_flags(void); 153 154 /** 155 * arch_setup_gd() - Set up the global_data pointer 156 * 157 * This pointer is special in some architectures and cannot easily be assigned 158 * to. For example on x86 it is implemented by adding a specific record to its 159 * Global Descriptor Table! So we we provide a function to carry out this task. 160 * For most architectures this can simply be: 161 * 162 * gd = gd_ptr; 163 * 164 * @gd_ptr: Pointer to global data 165 */ 166 void arch_setup_gd(gd_t *gd_ptr); 167 168 int checkboard(void); 169 int show_board_info(void); 170 int checkflash(void); 171 int checkdram(void); 172 int last_stage_init(void); 173 extern ulong monitor_flash_len; 174 int mac_read_from_eeprom(void); 175 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 176 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */ 177 int set_cpu_clk_info(void); 178 int mdm_init(void); 179 int print_cpuinfo(void); 180 int update_flash_size(int flash_size); 181 int arch_early_init_r(void); 182 183 typedef struct uspinlock { 184 volatile uint32_t lock; 185 } uspinlock_t; 186 187 #if CONFIG_IS_ENABLED(SMP) 188 void u_spin_lock(uspinlock_t *lock); 189 void u_spin_unlock(uspinlock_t *lock); 190 #else 191 static inline void u_spin_lock(uspinlock_t *lock) {} 192 static inline void u_spin_unlock(uspinlock_t *lock) {} 193 #endif 194 195 /* 196 * setup_board_extra() - Fill in extra details in the bd_t structure 197 * 198 * @return 0 if OK, -ve on error 199 */ 200 int setup_board_extra(void); 201 202 /** 203 * arch_fsp_init() - perform firmware support package init 204 * 205 * Where U-Boot relies on binary blobs to handle part of the system init, this 206 * function can be used to set up the blobs. This is used on some Intel 207 * platforms. 208 */ 209 int arch_fsp_init(void); 210 211 /** 212 * arch_cpu_init_dm() - init CPU after driver model is available 213 * 214 * This is called immediately after driver model is available before 215 * relocation. This is similar to arch_cpu_init() but is able to reference 216 * devices 217 * 218 * @return 0 if OK, -ve on error 219 */ 220 int arch_cpu_init_dm(void); 221 222 /** 223 * Reserve all necessary stacks 224 * 225 * This is used in generic board init sequence in common/board_f.c. Each 226 * architecture could provide this function to tailor the required stacks. 227 * 228 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 229 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 230 * require only this can leave it untouched. 231 * 232 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 233 * positions of the stack. The stack pointer(s) will be set to this later. 234 * gd->irq_sp is only required, if the architecture needs it. 235 * 236 * @return 0 if no error 237 */ 238 __weak int arch_reserve_stacks(void); 239 240 /** 241 * Show the DRAM size in a board-specific way 242 * 243 * This is used by boards to display DRAM information in their own way. 244 * 245 * @param size Size of DRAM (which should be displayed along with other info) 246 */ 247 void board_show_dram(phys_size_t size); 248 249 /** 250 * arch_fixup_fdt() - Write arch-specific information to fdt 251 * 252 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 253 * 254 * @blob: FDT blob to write to 255 * @return 0 if ok, or -ve FDT_ERR_... on failure 256 */ 257 int arch_fixup_fdt(void *blob); 258 259 int reserve_mmu(void); 260 /* common/flash.c */ 261 void flash_perror (int); 262 263 /* common/cmd_source.c */ 264 int source (ulong addr, const char *fit_uname); 265 266 extern ulong load_addr; /* Default Load Address */ 267 extern ulong save_addr; /* Default Save Address */ 268 extern ulong save_size; /* Default Save Size */ 269 270 /* common/cmd_net.c */ 271 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 272 273 /* common/cmd_fat.c */ 274 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 275 276 /* common/cmd_ext2.c */ 277 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 278 279 /* common/cmd_nvedit.c */ 280 int env_init (void); 281 void env_relocate (void); 282 int envmatch (uchar *, int); 283 284 /** 285 * env_get() - Look up the value of an environment variable 286 * 287 * In U-Boot proper this can be called before relocation (which is when the 288 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 289 * case this function calls env_get_f(). 290 * 291 * @varname: Variable to look up 292 * @return value of variable, or NULL if not found 293 */ 294 char *env_get(const char *varname); 295 296 /** 297 * env_get_f() - Look up the value of an environment variable (early) 298 * 299 * This function is called from env_get() if the environment has not been 300 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 301 * support reading the value (slowly) and some will not. 302 * 303 * @varname: Variable to look up 304 * @return value of variable, or NULL if not found 305 */ 306 int env_get_f(const char *name, char *buf, unsigned len); 307 308 /** 309 * env_get_ulong() - Return an environment variable as an integer value 310 * 311 * Most U-Boot environment variables store hex values. For those which store 312 * (e.g.) base-10 integers, this function can be used to read the value. 313 * 314 * @name: Variable to look up 315 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 316 * @default_val: Default value to return if no value is found 317 * @return the value found, or @default_val if none 318 */ 319 ulong env_get_ulong(const char *name, int base, ulong default_val); 320 321 /** 322 * env_get_hex() - Return an environment variable as a hex value 323 * 324 * Decode an environment as a hex number (it may or may not have a 0x 325 * prefix). If the environment variable cannot be found, or does not start 326 * with hex digits, the default value is returned. 327 * 328 * @varname: Variable to decode 329 * @default_val: Value to return on error 330 */ 331 ulong env_get_hex(const char *varname, ulong default_val); 332 333 /* 334 * Read an environment variable as a boolean 335 * Return -1 if variable does not exist (default to true) 336 */ 337 int env_get_yesno(const char *var); 338 339 /** 340 * env_set() - set an environment variable 341 * 342 * This sets or deletes the value of an environment variable. For setting the 343 * value the variable is created if it does not already exist. 344 * 345 * @varname: Variable to adjust 346 * @value: Value to set for the variable, or NULL or "" to delete the variable 347 * @return 0 if OK, 1 on error 348 */ 349 int env_set(const char *varname, const char *value); 350 351 /** 352 * env_update() - update sub value of an environment variable 353 * 354 * This add/append/replace the sub value of an environment variable. 355 * 356 * @varname: Variable to adjust 357 * @valude: Value to append/replace 358 * @ignore: Value to be ignore if in varvalue 359 * @return 0 if OK, 1 on error 360 */ 361 int env_update_filter(const char *varname, const char *varvalue, 362 const char *ignore); 363 364 /** 365 * env_update_extract_subset() - extract subset value from an environment variable 366 * 367 * This extract subset value from an environment variable 368 * 369 * @varname: Parent Variable where to extract subset value, the subset value 370 * will be removed from it. 371 * @subset_varname: Variable to save subset value 372 * @subset_key: Key value to find out subset value 373 * @return 0 if OK, 1 on error 374 */ 375 int env_update_extract_subset(const char *varname, 376 const char *subset_varname, 377 const char *subset_key); 378 /** 379 * env_update() - update sub value of an environment variable 380 * 381 * This add/append/replace the sub value of an environment variable. 382 * 383 * @varname: Variable to adjust 384 * @valude: Value to append/replace 385 * @return 0 if OK, 1 on error 386 */ 387 int env_update(const char *varname, const char *varvalue); 388 389 /** 390 * env_exist() - check sub value of an environment variable is exist or not 391 * 392 * @varname: Variable to look up 393 * @value: Value to check 394 * @return posItion of varvalue if exist, otherwise NULL 395 */ 396 char *env_exist(const char *varname, const char *varvalue); 397 398 /** 399 * env_delete() - delete sub value of an environment variable 400 * 401 * @varname: Variable to look up 402 * @value: Item head of value to delete 403 * @complete_match: complete match whole words 404 * @return 0 if ok, 1 on error 405 */ 406 int env_delete(const char *varname, const char *varvalue, int complete_match); 407 408 /** 409 * env_set_ulong() - set an environment variable to an integer 410 * 411 * @varname: Variable to adjust 412 * @value: Value to set for the variable (will be converted to a string) 413 * @return 0 if OK, 1 on error 414 */ 415 int env_set_ulong(const char *varname, ulong value); 416 417 /** 418 * env_set_hex() - set an environment variable to a hex value 419 * 420 * @varname: Variable to adjust 421 * @value: Value to set for the variable (will be converted to a hex string) 422 * @return 0 if OK, 1 on error 423 */ 424 int env_set_hex(const char *varname, ulong value); 425 426 /** 427 * env_set_addr - Set an environment variable to an address in hex 428 * 429 * @varname: Environment variable to set 430 * @addr: Value to set it to 431 * @return 0 if ok, 1 on error 432 */ 433 static inline int env_set_addr(const char *varname, const void *addr) 434 { 435 return env_set_hex(varname, (ulong)addr); 436 } 437 438 #ifdef CONFIG_AUTO_COMPLETE 439 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 440 #endif 441 int get_env_id (void); 442 443 void pci_init (void); 444 void pci_init_board(void); 445 446 #if defined(CONFIG_DTB_RESELECT) 447 int embedded_dtb_select(void); 448 #endif 449 450 int misc_init_f (void); 451 int misc_init_r (void); 452 453 /* common/exports.c */ 454 void jumptable_init(void); 455 456 /* common/kallsysm.c */ 457 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 458 459 /* common/memsize.c */ 460 long get_ram_size (long *, long); 461 phys_size_t get_effective_memsize(void); 462 463 /* $(BOARD)/$(BOARD).c */ 464 void reset_phy (void); 465 void fdc_hw_init (void); 466 467 /* $(BOARD)/eeprom.c */ 468 #ifdef CONFIG_CMD_EEPROM 469 void eeprom_init (int bus); 470 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 471 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 472 #else 473 /* 474 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 475 * some macros here so we don't have to touch every one of those uses 476 */ 477 #define eeprom_init(bus) 478 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 479 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 480 #endif 481 482 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) 483 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 484 #endif 485 486 #if defined(CONFIG_MPC8XX_SPI) 487 extern void spi_init_f (void); 488 extern void spi_init_r (void); 489 extern ssize_t spi_read (uchar *, int, uchar *, int); 490 extern ssize_t spi_write (uchar *, int, uchar *, int); 491 #endif 492 493 /* $(BOARD)/$(BOARD).c */ 494 int board_early_init_f (void); 495 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 496 int board_late_init (void); 497 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 498 int board_early_init_r (void); 499 void board_poweroff (void); 500 void board_env_fixup(void); 501 502 #if defined(CONFIG_SYS_DRAM_TEST) 503 int testdram(void); 504 #endif /* CONFIG_SYS_DRAM_TEST */ 505 506 /* $(CPU)/start.S */ 507 int icache_status (void); 508 void icache_enable (void); 509 void icache_disable(void); 510 int dcache_status (void); 511 void dcache_enable (void); 512 void dcache_disable(void); 513 void mmu_disable(void); 514 #if defined(CONFIG_ARM) 515 void relocate_code(ulong); 516 #else 517 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 518 #endif 519 ulong get_endaddr (void); 520 void trap_init (ulong); 521 522 /* $(CPU)/cpu.c */ 523 static inline int cpumask_next(int cpu, unsigned int mask) 524 { 525 for (cpu++; !((1 << cpu) & mask); cpu++) 526 ; 527 528 return cpu; 529 } 530 531 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 532 for (iter = 0, cpu = cpumask_next(-1, mask); \ 533 iter < num_cpus; \ 534 iter++, cpu = cpumask_next(cpu, mask)) \ 535 536 int cpu_numcores (void); 537 int cpu_num_dspcores(void); 538 u32 cpu_mask (void); 539 u32 cpu_dsp_mask(void); 540 int is_core_valid (unsigned int); 541 542 /** 543 * arch_cpu_init() - basic cpu-dependent setup for an architecture 544 * 545 * This is called after early malloc is available. It should handle any 546 * CPU- or SoC- specific init needed to continue the init sequence. See 547 * board_f.c for where it is called. If this is not provided, a default 548 * version (which does nothing) will be used. 549 */ 550 int arch_cpu_init(void); 551 552 void s_init(void); 553 554 int checkcpu (void); 555 int checkicache (void); 556 int checkdcache (void); 557 void upmconfig (unsigned int, unsigned int *, unsigned int); 558 ulong get_tbclk (void); 559 void reset_misc (void); 560 void reset_cpu (ulong addr); 561 void ft_cpu_setup(void *blob, bd_t *bd); 562 void ft_pci_setup(void *blob, bd_t *bd); 563 564 void smp_set_core_boot_addr(unsigned long addr, int corenr); 565 void smp_kick_all_cpus(void); 566 567 /* $(CPU)/serial.c */ 568 int serial_init (void); 569 void serial_setbrg (void); 570 void serial_putc (const char); 571 void serial_clear (void); 572 void serial_putc_raw(const char); 573 void serial_puts (const char *); 574 int serial_getc (void); 575 int serial_tstc (void); 576 577 /* $(CPU)/speed.c */ 578 int get_clocks (void); 579 ulong get_bus_freq (ulong); 580 int get_serial_clock(void); 581 582 int cpu_init_r (void); 583 584 /* $(CPU)/interrupts.c */ 585 int interrupt_init (void); 586 void timer_interrupt (struct pt_regs *); 587 void external_interrupt (struct pt_regs *); 588 void irq_install_handler(int, interrupt_handler_t *, void *); 589 void irq_free_handler (int); 590 void reset_timer (void); 591 592 /* Return value of monotonic microsecond timer */ 593 unsigned long timer_get_us(void); 594 595 void enable_interrupts (void); 596 int disable_interrupts (void); 597 598 /* $(CPU)/.../commproc.c */ 599 int dpram_init (void); 600 uint dpram_base(void); 601 uint dpram_base_align(uint align); 602 uint dpram_alloc(uint size); 603 uint dpram_alloc_align(uint size,uint align); 604 void bootcount_store (ulong); 605 ulong bootcount_load (void); 606 #define BOOTCOUNT_MAGIC 0xB001C041 607 608 /* $(CPU)/.../<eth> */ 609 void mii_init (void); 610 611 /* $(CPU)/.../lcd.c */ 612 ulong lcd_setmem (ulong); 613 614 /* $(CPU)/.../video.c */ 615 ulong video_setmem (ulong); 616 617 /* arch/$(ARCH)/lib/cache.c */ 618 void enable_caches(void); 619 void flush_cache (unsigned long, unsigned long); 620 void flush_dcache_all(void); 621 void flush_dcache_range(unsigned long start, unsigned long stop); 622 void invalidate_dcache_range(unsigned long start, unsigned long stop); 623 void invalidate_dcache_all(void); 624 void invalidate_icache_all(void); 625 626 enum { 627 /* Disable caches (else flush caches but leave them active) */ 628 CBL_DISABLE_CACHES = 1 << 0, 629 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 630 631 CBL_ALL = 3, 632 }; 633 634 /** 635 * Clean up ready for linux 636 * 637 * @param flags Flags to control what is done 638 */ 639 int cleanup_before_linux_select(int flags); 640 641 /* arch/$(ARCH)/lib/ticks.S */ 642 uint64_t get_ticks(void); 643 void wait_ticks (unsigned long); 644 645 /* arch/$(ARCH)/lib/time.c */ 646 ulong usec2ticks (unsigned long usec); 647 ulong ticks2usec (unsigned long ticks); 648 649 /* lib/gunzip.c */ 650 int gzip_parse_header(const unsigned char *src, unsigned long len); 651 int gunzip(void *, int, unsigned char *, unsigned long *); 652 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 653 int stoponerr, int offset); 654 655 /** 656 * gzwrite progress indicators: defined weak to allow board-specific 657 * overrides: 658 * 659 * gzwrite_progress_init called on startup 660 * gzwrite_progress called during decompress/write loop 661 * gzwrite_progress_finish called at end of loop to 662 * indicate success (retcode=0) or failure 663 */ 664 void gzwrite_progress_init(u64 expected_size); 665 666 void gzwrite_progress(int iteration, 667 u64 bytes_written, 668 u64 total_bytes); 669 670 void gzwrite_progress_finish(int retcode, 671 u64 totalwritten, 672 u64 totalsize, 673 u32 expected_crc, 674 u32 calculated_crc); 675 676 /** 677 * decompress and write gzipped image from memory to block device 678 * 679 * @param src compressed image address 680 * @param len compressed image length in bytes 681 * @param dev block device descriptor 682 * @param szwritebuf bytes per write (pad to erase size) 683 * @param startoffs offset in bytes of first write 684 * @param szexpected expected uncompressed length 685 * may be zero to use gzip trailer 686 * for files under 4GiB 687 */ 688 int gzwrite(unsigned char *src, int len, 689 struct blk_desc *dev, 690 unsigned long szwritebuf, 691 u64 startoffs, 692 u64 szexpected); 693 694 #include <u-boot/lz4.h> 695 696 /* lib/qsort.c */ 697 void qsort(void *base, size_t nmemb, size_t size, 698 int(*compar)(const void *, const void *)); 699 int strcmp_compar(const void *, const void *); 700 701 /* lib/uuid.c */ 702 #include <uuid.h> 703 704 /* lib/vsprintf.c */ 705 #include <vsprintf.h> 706 707 /* lib/strmhz.c */ 708 char * strmhz(char *buf, unsigned long hz); 709 710 /* lib/crc32.c */ 711 #include <u-boot/crc.h> 712 713 /* lib/rand.c */ 714 #define RAND_MAX -1U 715 void srand(unsigned int seed); 716 unsigned int rand(void); 717 unsigned int rand_r(unsigned int *seedp); 718 719 /* 720 * STDIO based functions (can always be used) 721 */ 722 /* serial stuff */ 723 int serial_printf (const char *fmt, ...) 724 __attribute__ ((format (__printf__, 1, 2))); 725 726 /* lib/gzip.c */ 727 int gzip(void *dst, unsigned long *lenp, 728 unsigned char *src, unsigned long srclen); 729 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 730 unsigned long srclen, int stoponerr, 731 int (*func)(unsigned long, unsigned long)); 732 733 /* lib/net_utils.c */ 734 #include <net.h> 735 static inline struct in_addr env_get_ip(char *var) 736 { 737 return string_to_ip(env_get(var)); 738 } 739 740 int pcmcia_init (void); 741 742 #ifdef CONFIG_LED_STATUS 743 # include <status_led.h> 744 #endif 745 746 #include <bootstage.h> 747 748 #ifdef CONFIG_SHOW_ACTIVITY 749 void show_activity(int arg); 750 #endif 751 752 /* Multicore arch functions */ 753 #ifdef CONFIG_MP 754 int cpu_status(int nr); 755 int cpu_reset(int nr); 756 int cpu_disable(int nr); 757 int cpu_release(int nr, int argc, char * const argv[]); 758 #endif 759 760 #else /* __ASSEMBLY__ */ 761 762 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 763 #define _AC(X, Y) X 764 765 #endif /* __ASSEMBLY__ */ 766 767 /* Put only stuff here that the assembler can digest */ 768 769 /* Declare an unsigned long constant digestable both by C and an assembler. */ 770 #define UL(x) _AC(x, UL) 771 772 #ifdef CONFIG_POST 773 #define CONFIG_HAS_POST 774 #ifndef CONFIG_POST_ALT_LIST 775 #define CONFIG_POST_STD_LIST 776 #endif 777 #endif 778 779 #ifdef CONFIG_INIT_CRITICAL 780 #error CONFIG_INIT_CRITICAL is deprecated! 781 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 782 #endif 783 784 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 785 786 /* 787 * check_member() - Check the offset of a structure member 788 * 789 * @structure: Name of structure (e.g. global_data) 790 * @member: Name of member (e.g. baudrate) 791 * @offset: Expected offset in bytes 792 */ 793 #define check_member(structure, member, offset) _Static_assert( \ 794 offsetof(struct structure, member) == offset, \ 795 "`struct " #structure "` offset for `" #member "` is not " #offset) 796 797 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 798 #ifdef CONFIG_EFI_STUB 799 #define ll_boot_init() false 800 #else 801 #define ll_boot_init() true 802 #endif 803 804 /* Pull in stuff for the build system */ 805 #ifdef DO_DEPS_ONLY 806 # include <environment.h> 807 #endif 808 809 #endif /* __COMMON_H_ */ 810