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 <smp.h> 34 #include <stdarg.h> 35 #include <stdio.h> 36 #include <linux/kernel.h> 37 38 #include <part.h> 39 #include <flash.h> 40 #include <image.h> 41 #include <stacktrace.h> 42 43 /* Bring in printf format macros if inttypes.h is included */ 44 #define __STDC_FORMAT_MACROS 45 46 #ifdef __LP64__ 47 #define CONFIG_SYS_SUPPORT_64BIT_DATA 48 #endif 49 50 #include <log.h> 51 52 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) 53 # undef static_assert 54 # define static_assert _Static_assert 55 #endif 56 57 #if !CONFIG_IS_ENABLED(IRQ) 58 typedef void (interrupt_handler_t)(void *); 59 #else 60 typedef void (interrupt_handler_t)(int, void *); 61 #endif 62 63 #include <asm/u-boot.h> /* boot information for Linux kernel */ 64 #include <asm/global_data.h> /* global data used for startup functions */ 65 66 #if defined(CONFIG_ENV_IS_EMBEDDED) 67 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 68 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 69 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 70 defined(CONFIG_ENV_IS_IN_NVRAM) 71 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 72 #else 73 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 74 #endif 75 76 /* 77 * Function Prototypes 78 */ 79 int dram_init(void); 80 81 /** 82 * dram_init_banksize() - Set up DRAM bank sizes 83 * 84 * This can be implemented by boards to set up the DRAM bank information in 85 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 86 * is called. 87 * 88 * If this is not provided, a default implementation will try to set up a 89 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 90 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 91 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 92 * get_effective_memsize(). 93 * 94 * @return 0 if OK, -ve on error 95 */ 96 int dram_init_banksize(void); 97 98 void hang (void) __attribute__ ((noreturn)); 99 100 int timer_init(void); 101 int cpu_init(void); 102 103 #include <display_options.h> 104 105 /* common/main.c */ 106 void main_loop (void); 107 void autoboot_command_fail_handle(void); 108 int run_command(const char *cmd, int flag); 109 int run_command_repeatable(const char *cmd, int flag); 110 111 /** 112 * Run a list of commands separated by ; or even \0 113 * 114 * Note that if 'len' is not -1, then the command does not need to be nul 115 * terminated, Memory will be allocated for the command in that case. 116 * 117 * @param cmd List of commands to run, each separated bu semicolon 118 * @param len Length of commands excluding terminator if known (-1 if not) 119 * @param flag Execution flags (CMD_FLAG_...) 120 * @return 0 on success, or != 0 on error. 121 */ 122 int run_command_list(const char *cmd, int len, int flag); 123 124 /* arch/$(ARCH)/lib/board.c */ 125 void board_init_f(ulong); 126 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 127 128 /** 129 * ulong board_init_f_alloc_reserve - allocate reserved area 130 * 131 * This function is called by each architecture very early in the start-up 132 * code to allow the C runtime to reserve space on the stack for writable 133 * 'globals' such as GD and the malloc arena. 134 * 135 * @top: top of the reserve area, growing down. 136 * @return: bottom of reserved area 137 */ 138 ulong board_init_f_alloc_reserve(ulong top); 139 140 /** 141 * board_init_f_init_reserve - initialize the reserved area(s) 142 * 143 * This function is called once the C runtime has allocated the reserved 144 * area on the stack. It must initialize the GD at the base of that area. 145 * 146 * @base: top from which reservation was done 147 */ 148 void board_init_f_init_reserve(ulong base); 149 150 /* 151 * Board-specific Platform code can init serial earlier if needed 152 */ 153 __weak int board_init_f_boot_flags(void); 154 155 /** 156 * arch_setup_gd() - Set up the global_data pointer 157 * 158 * This pointer is special in some architectures and cannot easily be assigned 159 * to. For example on x86 it is implemented by adding a specific record to its 160 * Global Descriptor Table! So we we provide a function to carry out this task. 161 * For most architectures this can simply be: 162 * 163 * gd = gd_ptr; 164 * 165 * @gd_ptr: Pointer to global data 166 */ 167 void arch_setup_gd(gd_t *gd_ptr); 168 169 int checkboard(void); 170 int show_board_info(void); 171 int checkflash(void); 172 int checkdram(void); 173 int last_stage_init(void); 174 extern ulong monitor_flash_len; 175 int mac_read_from_eeprom(void); 176 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 177 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */ 178 int set_cpu_clk_info(void); 179 int mdm_init(void); 180 int print_cpuinfo(void); 181 int update_flash_size(int flash_size); 182 int arch_early_init_r(void); 183 184 typedef struct uspinlock { 185 volatile uint32_t lock; 186 } uspinlock_t; 187 188 #if CONFIG_IS_ENABLED(SMP) 189 void u_spin_lock(uspinlock_t *lock); 190 void u_spin_unlock(uspinlock_t *lock); 191 #else 192 static inline void u_spin_lock(uspinlock_t *lock) {} 193 static inline void u_spin_unlock(uspinlock_t *lock) {} 194 #endif 195 196 /* 197 * setup_board_extra() - Fill in extra details in the bd_t structure 198 * 199 * @return 0 if OK, -ve on error 200 */ 201 int setup_board_extra(void); 202 203 /** 204 * arch_fsp_init() - perform firmware support package init 205 * 206 * Where U-Boot relies on binary blobs to handle part of the system init, this 207 * function can be used to set up the blobs. This is used on some Intel 208 * platforms. 209 */ 210 int arch_fsp_init(void); 211 212 /** 213 * arch_cpu_init_dm() - init CPU after driver model is available 214 * 215 * This is called immediately after driver model is available before 216 * relocation. This is similar to arch_cpu_init() but is able to reference 217 * devices 218 * 219 * @return 0 if OK, -ve on error 220 */ 221 int arch_cpu_init_dm(void); 222 223 /** 224 * Reserve all necessary stacks 225 * 226 * This is used in generic board init sequence in common/board_f.c. Each 227 * architecture could provide this function to tailor the required stacks. 228 * 229 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 230 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 231 * require only this can leave it untouched. 232 * 233 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 234 * positions of the stack. The stack pointer(s) will be set to this later. 235 * gd->irq_sp is only required, if the architecture needs it. 236 * 237 * @return 0 if no error 238 */ 239 __weak int arch_reserve_stacks(void); 240 241 /** 242 * Show the DRAM size in a board-specific way 243 * 244 * This is used by boards to display DRAM information in their own way. 245 * 246 * @param size Size of DRAM (which should be displayed along with other info) 247 */ 248 void board_show_dram(phys_size_t size); 249 250 /** 251 * arch_fixup_fdt() - Write arch-specific information to fdt 252 * 253 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 254 * 255 * @blob: FDT blob to write to 256 * @return 0 if ok, or -ve FDT_ERR_... on failure 257 */ 258 int arch_fixup_fdt(void *blob); 259 260 int reserve_mmu(void); 261 /* common/flash.c */ 262 void flash_perror (int); 263 264 /* common/cmd_source.c */ 265 int source (ulong addr, const char *fit_uname); 266 267 extern ulong load_addr; /* Default Load Address */ 268 extern ulong save_addr; /* Default Save Address */ 269 extern ulong save_size; /* Default Save Size */ 270 271 /* common/cmd_net.c */ 272 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 273 274 /* common/cmd_fat.c */ 275 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 276 277 /* common/cmd_ext2.c */ 278 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 279 280 /* common/cmd_nvedit.c */ 281 int env_init (void); 282 void env_relocate (void); 283 int envmatch (uchar *, int); 284 285 /** 286 * env_get() - Look up the value of an environment variable 287 * 288 * In U-Boot proper this can be called before relocation (which is when the 289 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 290 * case this function calls env_get_f(). 291 * 292 * @varname: Variable to look up 293 * @return value of variable, or NULL if not found 294 */ 295 char *env_get(const char *varname); 296 297 /** 298 * env_get_f() - Look up the value of an environment variable (early) 299 * 300 * This function is called from env_get() if the environment has not been 301 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 302 * support reading the value (slowly) and some will not. 303 * 304 * @varname: Variable to look up 305 * @return value of variable, or NULL if not found 306 */ 307 int env_get_f(const char *name, char *buf, unsigned len); 308 309 /** 310 * env_get_ulong() - Return an environment variable as an integer value 311 * 312 * Most U-Boot environment variables store hex values. For those which store 313 * (e.g.) base-10 integers, this function can be used to read the value. 314 * 315 * @name: Variable to look up 316 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 317 * @default_val: Default value to return if no value is found 318 * @return the value found, or @default_val if none 319 */ 320 ulong env_get_ulong(const char *name, int base, ulong default_val); 321 322 /** 323 * env_get_hex() - Return an environment variable as a hex value 324 * 325 * Decode an environment as a hex number (it may or may not have a 0x 326 * prefix). If the environment variable cannot be found, or does not start 327 * with hex digits, the default value is returned. 328 * 329 * @varname: Variable to decode 330 * @default_val: Value to return on error 331 */ 332 ulong env_get_hex(const char *varname, ulong default_val); 333 334 /* 335 * Read an environment variable as a boolean 336 * Return -1 if variable does not exist (default to true) 337 */ 338 int env_get_yesno(const char *var); 339 340 /** 341 * env_set() - set an environment variable 342 * 343 * This sets or deletes the value of an environment variable. For setting the 344 * value the variable is created if it does not already exist. 345 * 346 * @varname: Variable to adjust 347 * @value: Value to set for the variable, or NULL or "" to delete the variable 348 * @return 0 if OK, 1 on error 349 */ 350 int env_set(const char *varname, const char *value); 351 352 /** 353 * env_update() - update sub value of an environment variable 354 * 355 * This add/append/replace the sub value of an environment variable. 356 * 357 * @varname: Variable to adjust 358 * @valude: Value to append/replace 359 * @ignore: Value to be ignore if in varvalue 360 * @return 0 if OK, 1 on error 361 */ 362 int env_update_filter(const char *varname, const char *varvalue, 363 const char *ignore); 364 365 /** 366 * env_update_extract_subset() - extract subset value from an environment variable 367 * 368 * This extract subset value from an environment variable 369 * 370 * @varname: Parent Variable where to extract subset value, the subset value 371 * will be removed from it. 372 * @subset_varname: Variable to save subset value 373 * @subset_key: Key value to find out subset value 374 * @return 0 if OK, 1 on error 375 */ 376 int env_update_extract_subset(const char *varname, 377 const char *subset_varname, 378 const char *subset_key); 379 /** 380 * env_update() - update sub value of an environment variable 381 * 382 * This add/append/replace the sub value of an environment variable. 383 * 384 * @varname: Variable to adjust 385 * @valude: Value to append/replace 386 * @return 0 if OK, 1 on error 387 */ 388 int env_update(const char *varname, const char *varvalue); 389 390 /** 391 * env_exist() - check sub value of an environment variable is exist or not 392 * 393 * @varname: Variable to look up 394 * @value: Value to check 395 * @return posItion of varvalue if exist, otherwise NULL 396 */ 397 char *env_exist(const char *varname, const char *varvalue); 398 399 /** 400 * env_delete() - delete sub value of an environment variable 401 * 402 * @varname: Variable to look up 403 * @value: Item head of value to delete 404 * @complete_match: complete match whole words 405 * @return 0 if ok, 1 on error 406 */ 407 int env_delete(const char *varname, const char *varvalue, int complete_match); 408 409 /** 410 * env_set_ulong() - set an environment variable to an integer 411 * 412 * @varname: Variable to adjust 413 * @value: Value to set for the variable (will be converted to a string) 414 * @return 0 if OK, 1 on error 415 */ 416 int env_set_ulong(const char *varname, ulong value); 417 418 /** 419 * env_set_hex() - set an environment variable to a hex value 420 * 421 * @varname: Variable to adjust 422 * @value: Value to set for the variable (will be converted to a hex string) 423 * @return 0 if OK, 1 on error 424 */ 425 int env_set_hex(const char *varname, ulong value); 426 427 /** 428 * env_set_addr - Set an environment variable to an address in hex 429 * 430 * @varname: Environment variable to set 431 * @addr: Value to set it to 432 * @return 0 if ok, 1 on error 433 */ 434 static inline int env_set_addr(const char *varname, const void *addr) 435 { 436 return env_set_hex(varname, (ulong)addr); 437 } 438 439 #ifdef CONFIG_AUTO_COMPLETE 440 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 441 #endif 442 int get_env_id (void); 443 444 void pci_init (void); 445 void pci_init_board(void); 446 447 #if defined(CONFIG_DTB_RESELECT) 448 int embedded_dtb_select(void); 449 #endif 450 451 int misc_init_f (void); 452 int misc_init_r (void); 453 454 /* common/exports.c */ 455 void jumptable_init(void); 456 457 /* common/kallsysm.c */ 458 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 459 460 /* common/memsize.c */ 461 long get_ram_size (long *, long); 462 phys_size_t get_effective_memsize(void); 463 464 /* $(BOARD)/$(BOARD).c */ 465 void reset_phy (void); 466 void fdc_hw_init (void); 467 468 /* $(BOARD)/eeprom.c */ 469 #ifdef CONFIG_CMD_EEPROM 470 void eeprom_init (int bus); 471 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 472 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 473 #else 474 /* 475 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 476 * some macros here so we don't have to touch every one of those uses 477 */ 478 #define eeprom_init(bus) 479 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 480 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 481 #endif 482 483 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) 484 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 485 #endif 486 487 #if defined(CONFIG_MPC8XX_SPI) 488 extern void spi_init_f (void); 489 extern void spi_init_r (void); 490 extern ssize_t spi_read (uchar *, int, uchar *, int); 491 extern ssize_t spi_write (uchar *, int, uchar *, int); 492 #endif 493 494 /* $(BOARD)/$(BOARD).c */ 495 int board_early_init_f (void); 496 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 497 int board_late_init (void); 498 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 499 int board_early_init_r (void); 500 void board_poweroff (void); 501 void board_env_fixup(void); 502 503 #if defined(CONFIG_SYS_DRAM_TEST) 504 int testdram(void); 505 #endif /* CONFIG_SYS_DRAM_TEST */ 506 507 /* $(CPU)/start.S */ 508 int icache_status (void); 509 void icache_enable (void); 510 void icache_disable(void); 511 int dcache_status (void); 512 void dcache_enable (void); 513 void dcache_disable(void); 514 void mmu_disable(void); 515 #if defined(CONFIG_ARM) 516 void relocate_code(ulong); 517 #else 518 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 519 #endif 520 ulong get_endaddr (void); 521 void trap_init (ulong); 522 523 /* $(CPU)/cpu.c */ 524 static inline int cpumask_next(int cpu, unsigned int mask) 525 { 526 for (cpu++; !((1 << cpu) & mask); cpu++) 527 ; 528 529 return cpu; 530 } 531 532 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 533 for (iter = 0, cpu = cpumask_next(-1, mask); \ 534 iter < num_cpus; \ 535 iter++, cpu = cpumask_next(cpu, mask)) \ 536 537 int cpu_numcores (void); 538 int cpu_num_dspcores(void); 539 u32 cpu_mask (void); 540 u32 cpu_dsp_mask(void); 541 int is_core_valid (unsigned int); 542 543 /** 544 * arch_cpu_init() - basic cpu-dependent setup for an architecture 545 * 546 * This is called after early malloc is available. It should handle any 547 * CPU- or SoC- specific init needed to continue the init sequence. See 548 * board_f.c for where it is called. If this is not provided, a default 549 * version (which does nothing) will be used. 550 */ 551 int arch_cpu_init(void); 552 553 void s_init(void); 554 555 int checkcpu (void); 556 int checkicache (void); 557 int checkdcache (void); 558 void upmconfig (unsigned int, unsigned int *, unsigned int); 559 ulong get_tbclk (void); 560 void reset_misc (void); 561 void reset_cpu (ulong addr); 562 void ft_cpu_setup(void *blob, bd_t *bd); 563 void ft_pci_setup(void *blob, bd_t *bd); 564 565 void smp_set_core_boot_addr(unsigned long addr, int corenr); 566 void smp_kick_all_cpus(void); 567 568 /* $(CPU)/serial.c */ 569 int serial_init (void); 570 void serial_setbrg (void); 571 void serial_putc (const char); 572 void serial_clear (void); 573 void serial_putc_raw(const char); 574 void serial_puts (const char *); 575 int serial_getc (void); 576 int serial_tstc (void); 577 578 /* $(CPU)/speed.c */ 579 int get_clocks (void); 580 ulong get_bus_freq (ulong); 581 int get_serial_clock(void); 582 583 int cpu_init_r (void); 584 585 /* $(CPU)/interrupts.c */ 586 int interrupt_init (void); 587 void timer_interrupt (struct pt_regs *); 588 void external_interrupt (struct pt_regs *); 589 void irq_install_handler(int, interrupt_handler_t *, void *); 590 void irq_free_handler (int); 591 void reset_timer (void); 592 593 /* Return value of monotonic microsecond timer */ 594 unsigned long timer_get_us(void); 595 596 void enable_interrupts (void); 597 int disable_interrupts (void); 598 599 /* $(CPU)/.../commproc.c */ 600 int dpram_init (void); 601 uint dpram_base(void); 602 uint dpram_base_align(uint align); 603 uint dpram_alloc(uint size); 604 uint dpram_alloc_align(uint size,uint align); 605 void bootcount_store (ulong); 606 ulong bootcount_load (void); 607 #define BOOTCOUNT_MAGIC 0xB001C041 608 609 /* $(CPU)/.../<eth> */ 610 void mii_init (void); 611 612 /* $(CPU)/.../lcd.c */ 613 ulong lcd_setmem (ulong); 614 615 /* $(CPU)/.../video.c */ 616 ulong video_setmem (ulong); 617 618 /* arch/$(ARCH)/lib/cache.c */ 619 void enable_caches(void); 620 void flush_cache (unsigned long, unsigned long); 621 void flush_dcache_all(void); 622 void flush_dcache_range(unsigned long start, unsigned long stop); 623 void invalidate_dcache_range(unsigned long start, unsigned long stop); 624 void invalidate_dcache_all(void); 625 void invalidate_icache_all(void); 626 627 enum { 628 /* Disable caches (else flush caches but leave them active) */ 629 CBL_DISABLE_CACHES = 1 << 0, 630 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 631 632 CBL_ALL = 3, 633 }; 634 635 /** 636 * Clean up ready for linux 637 * 638 * @param flags Flags to control what is done 639 */ 640 int cleanup_before_linux_select(int flags); 641 642 /* arch/$(ARCH)/lib/ticks.S */ 643 uint64_t get_ticks(void); 644 void wait_ticks (unsigned long); 645 646 /* arch/$(ARCH)/lib/time.c */ 647 ulong usec2ticks (unsigned long usec); 648 ulong ticks2usec (unsigned long ticks); 649 650 /* lib/gunzip.c */ 651 int gzip_parse_header(const unsigned char *src, unsigned long len); 652 int gunzip(void *, int, unsigned char *, unsigned long *); 653 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 654 int stoponerr, int offset); 655 656 /** 657 * gzwrite progress indicators: defined weak to allow board-specific 658 * overrides: 659 * 660 * gzwrite_progress_init called on startup 661 * gzwrite_progress called during decompress/write loop 662 * gzwrite_progress_finish called at end of loop to 663 * indicate success (retcode=0) or failure 664 */ 665 void gzwrite_progress_init(u64 expected_size); 666 667 void gzwrite_progress(int iteration, 668 u64 bytes_written, 669 u64 total_bytes); 670 671 void gzwrite_progress_finish(int retcode, 672 u64 totalwritten, 673 u64 totalsize, 674 u32 expected_crc, 675 u32 calculated_crc); 676 677 /** 678 * decompress and write gzipped image from memory to block device 679 * 680 * @param src compressed image address 681 * @param len compressed image length in bytes 682 * @param dev block device descriptor 683 * @param szwritebuf bytes per write (pad to erase size) 684 * @param startoffs offset in bytes of first write 685 * @param szexpected expected uncompressed length 686 * may be zero to use gzip trailer 687 * for files under 4GiB 688 */ 689 int gzwrite(unsigned char *src, int len, 690 struct blk_desc *dev, 691 unsigned long szwritebuf, 692 u64 startoffs, 693 u64 szexpected); 694 695 #include <u-boot/lz4.h> 696 697 /* lib/qsort.c */ 698 void qsort(void *base, size_t nmemb, size_t size, 699 int(*compar)(const void *, const void *)); 700 int strcmp_compar(const void *, const void *); 701 702 /* lib/uuid.c */ 703 #include <uuid.h> 704 705 /* lib/vsprintf.c */ 706 #include <vsprintf.h> 707 708 /* lib/strmhz.c */ 709 char * strmhz(char *buf, unsigned long hz); 710 711 /* lib/crc32.c */ 712 #include <u-boot/crc.h> 713 714 /* lib/rand.c */ 715 #define RAND_MAX -1U 716 void srand(unsigned int seed); 717 unsigned int rand(void); 718 unsigned int rand_r(unsigned int *seedp); 719 720 /* 721 * STDIO based functions (can always be used) 722 */ 723 /* serial stuff */ 724 int serial_printf (const char *fmt, ...) 725 __attribute__ ((format (__printf__, 1, 2))); 726 727 /* lib/gzip.c */ 728 int gzip(void *dst, unsigned long *lenp, 729 unsigned char *src, unsigned long srclen); 730 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 731 unsigned long srclen, int stoponerr, 732 int (*func)(unsigned long, unsigned long)); 733 734 /* lib/net_utils.c */ 735 #include <net.h> 736 static inline struct in_addr env_get_ip(char *var) 737 { 738 return string_to_ip(env_get(var)); 739 } 740 741 int pcmcia_init (void); 742 743 #ifdef CONFIG_LED_STATUS 744 # include <status_led.h> 745 #endif 746 747 #include <bootstage.h> 748 749 #ifdef CONFIG_SHOW_ACTIVITY 750 void show_activity(int arg); 751 #endif 752 753 /* Multicore arch functions */ 754 #ifdef CONFIG_MP 755 int cpu_status(int nr); 756 int cpu_reset(int nr); 757 int cpu_disable(int nr); 758 int cpu_release(int nr, int argc, char * const argv[]); 759 #endif 760 761 #else /* __ASSEMBLY__ */ 762 763 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 764 #define _AC(X, Y) X 765 766 #endif /* __ASSEMBLY__ */ 767 768 /* Put only stuff here that the assembler can digest */ 769 770 /* Declare an unsigned long constant digestable both by C and an assembler. */ 771 #define UL(x) _AC(x, UL) 772 773 #ifdef CONFIG_POST 774 #define CONFIG_HAS_POST 775 #ifndef CONFIG_POST_ALT_LIST 776 #define CONFIG_POST_STD_LIST 777 #endif 778 #endif 779 780 #ifdef CONFIG_INIT_CRITICAL 781 #error CONFIG_INIT_CRITICAL is deprecated! 782 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 783 #endif 784 785 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 786 787 /* 788 * check_member() - Check the offset of a structure member 789 * 790 * @structure: Name of structure (e.g. global_data) 791 * @member: Name of member (e.g. baudrate) 792 * @offset: Expected offset in bytes 793 */ 794 #define check_member(structure, member, offset) _Static_assert( \ 795 offsetof(struct structure, member) == offset, \ 796 "`struct " #structure "` offset for `" #member "` is not " #offset) 797 798 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 799 #ifdef CONFIG_EFI_STUB 800 #define ll_boot_init() false 801 #else 802 #define ll_boot_init() true 803 #endif 804 805 /* Pull in stuff for the build system */ 806 #ifdef DO_DEPS_ONLY 807 # include <environment.h> 808 #endif 809 810 #endif /* __COMMON_H_ */ 811