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