1 /* 2 * (C) Copyright 2000-2009 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __COMMON_H_ 9 #define __COMMON_H_ 1 10 11 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 12 13 typedef unsigned char uchar; 14 typedef volatile unsigned long vu_long; 15 typedef volatile unsigned short vu_short; 16 typedef volatile unsigned char vu_char; 17 18 /* Allow sharing constants with type modifiers between C and assembly. */ 19 #define _AC(X, Y) (X##Y) 20 21 #include <config.h> 22 #include <errno.h> 23 #include <time.h> 24 #include <asm-offsets.h> 25 #include <linux/bitops.h> 26 #include <linux/delay.h> 27 #include <linux/types.h> 28 #include <linux/printk.h> 29 #include <linux/string.h> 30 #include <linux/stringify.h> 31 #include <asm/ptrace.h> 32 #include <stdarg.h> 33 #include <stdio.h> 34 #include <linux/kernel.h> 35 36 #include <part.h> 37 #include <flash.h> 38 #include <image.h> 39 40 /* Bring in printf format macros if inttypes.h is included */ 41 #define __STDC_FORMAT_MACROS 42 43 #ifdef __LP64__ 44 #define CONFIG_SYS_SUPPORT_64BIT_DATA 45 #endif 46 47 #ifdef DEBUG 48 #define _DEBUG 1 49 #else 50 #define _DEBUG 0 51 #endif 52 53 #ifdef CONFIG_SPL_BUILD 54 #define _SPL_BUILD 1 55 #else 56 #define _SPL_BUILD 0 57 #endif 58 59 /* 60 * Output a debug text when condition "cond" is met. The "cond" should be 61 * computed by a preprocessor in the best case, allowing for the best 62 * optimization. 63 */ 64 #define debug_cond(cond, fmt, args...) \ 65 do { \ 66 if (cond) \ 67 printf(pr_fmt(fmt), ##args); \ 68 } while (0) 69 70 /* Show a message if DEBUG is defined in a file */ 71 #define debug(fmt, args...) \ 72 debug_cond(_DEBUG, fmt, ##args) 73 74 /* Show a message if not in SPL */ 75 #define warn_non_spl(fmt, args...) \ 76 debug_cond(!_SPL_BUILD, fmt, ##args) 77 78 /* 79 * An assertion is run-time check done in debug mode only. If DEBUG is not 80 * defined then it is skipped. If DEBUG is defined and the assertion fails, 81 * then it calls panic*( which may or may not reset/halt U-Boot (see 82 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 83 * before release, and after release it is hoped that they don't matter. But 84 * in any case these failing assertions cannot be fixed with a reset (which 85 * may just do the same assertion again). 86 */ 87 void __assert_fail(const char *assertion, const char *file, unsigned line, 88 const char *function); 89 #define assert(x) \ 90 ({ if (!(x) && _DEBUG) \ 91 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 92 93 #define error(fmt, args...) do { \ 94 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 95 ##args, __FILE__, __LINE__, __func__); \ 96 } while (0) 97 98 #ifndef BUG 99 #define BUG() do { \ 100 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 101 panic("BUG!"); \ 102 } while (0) 103 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 104 #endif /* BUG */ 105 106 typedef void (interrupt_handler_t)(void *); 107 108 #include <asm/u-boot.h> /* boot information for Linux kernel */ 109 #include <asm/global_data.h> /* global data used for startup functions */ 110 111 #if defined(CONFIG_ENV_IS_EMBEDDED) 112 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 113 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 114 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 115 defined(CONFIG_ENV_IS_IN_NVRAM) 116 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 117 #else 118 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 119 #endif 120 121 /* 122 * Function Prototypes 123 */ 124 int dram_init(void); 125 126 /** 127 * dram_init_banksize() - Set up DRAM bank sizes 128 * 129 * This can be implemented by boards to set up the DRAM bank information in 130 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 131 * is called. 132 * 133 * If this is not provided, a default implementation will try to set up a 134 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 135 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 136 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 137 * get_effective_memsize(). 138 * 139 * @return 0 if OK, -ve on error 140 */ 141 int dram_init_banksize(void); 142 143 void hang (void) __attribute__ ((noreturn)); 144 145 int timer_init(void); 146 int cpu_init(void); 147 148 #include <display_options.h> 149 150 /* common/main.c */ 151 void main_loop (void); 152 int run_command(const char *cmd, int flag); 153 int run_command_repeatable(const char *cmd, int flag); 154 155 /** 156 * Run a list of commands separated by ; or even \0 157 * 158 * Note that if 'len' is not -1, then the command does not need to be nul 159 * terminated, Memory will be allocated for the command in that case. 160 * 161 * @param cmd List of commands to run, each separated bu semicolon 162 * @param len Length of commands excluding terminator if known (-1 if not) 163 * @param flag Execution flags (CMD_FLAG_...) 164 * @return 0 on success, or != 0 on error. 165 */ 166 int run_command_list(const char *cmd, int len, int flag); 167 168 /* arch/$(ARCH)/lib/board.c */ 169 void board_init_f(ulong); 170 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 171 172 /** 173 * ulong board_init_f_alloc_reserve - allocate reserved area 174 * 175 * This function is called by each architecture very early in the start-up 176 * code to allow the C runtime to reserve space on the stack for writable 177 * 'globals' such as GD and the malloc arena. 178 * 179 * @top: top of the reserve area, growing down. 180 * @return: bottom of reserved area 181 */ 182 ulong board_init_f_alloc_reserve(ulong top); 183 184 /** 185 * board_init_f_init_reserve - initialize the reserved area(s) 186 * 187 * This function is called once the C runtime has allocated the reserved 188 * area on the stack. It must initialize the GD at the base of that area. 189 * 190 * @base: top from which reservation was done 191 */ 192 void board_init_f_init_reserve(ulong base); 193 194 /** 195 * arch_setup_gd() - Set up the global_data pointer 196 * 197 * This pointer is special in some architectures and cannot easily be assigned 198 * to. For example on x86 it is implemented by adding a specific record to its 199 * Global Descriptor Table! So we we provide a function to carry out this task. 200 * For most architectures this can simply be: 201 * 202 * gd = gd_ptr; 203 * 204 * @gd_ptr: Pointer to global data 205 */ 206 void arch_setup_gd(gd_t *gd_ptr); 207 208 int checkboard(void); 209 int show_board_info(void); 210 int checkflash(void); 211 int checkdram(void); 212 int last_stage_init(void); 213 extern ulong monitor_flash_len; 214 int mac_read_from_eeprom(void); 215 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 216 int set_cpu_clk_info(void); 217 int mdm_init(void); 218 int print_cpuinfo(void); 219 int update_flash_size(int flash_size); 220 int arch_early_init_r(void); 221 222 /* 223 * setup_board_extra() - Fill in extra details in the bd_t structure 224 * 225 * @return 0 if OK, -ve on error 226 */ 227 int setup_board_extra(void); 228 229 /** 230 * arch_fsp_init() - perform firmware support package init 231 * 232 * Where U-Boot relies on binary blobs to handle part of the system init, this 233 * function can be used to set up the blobs. This is used on some Intel 234 * platforms. 235 */ 236 int arch_fsp_init(void); 237 238 /** 239 * arch_cpu_init_dm() - init CPU after driver model is available 240 * 241 * This is called immediately after driver model is available before 242 * relocation. This is similar to arch_cpu_init() but is able to reference 243 * devices 244 * 245 * @return 0 if OK, -ve on error 246 */ 247 int arch_cpu_init_dm(void); 248 249 /** 250 * Reserve all necessary stacks 251 * 252 * This is used in generic board init sequence in common/board_f.c. Each 253 * architecture could provide this function to tailor the required stacks. 254 * 255 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 256 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 257 * require only this can leave it untouched. 258 * 259 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 260 * positions of the stack. The stack pointer(s) will be set to this later. 261 * gd->irq_sp is only required, if the architecture needs it. 262 * 263 * @return 0 if no error 264 */ 265 __weak int arch_reserve_stacks(void); 266 267 /** 268 * Show the DRAM size in a board-specific way 269 * 270 * This is used by boards to display DRAM information in their own way. 271 * 272 * @param size Size of DRAM (which should be displayed along with other info) 273 */ 274 void board_show_dram(phys_size_t size); 275 276 /** 277 * arch_fixup_fdt() - Write arch-specific information to fdt 278 * 279 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 280 * 281 * @blob: FDT blob to write to 282 * @return 0 if ok, or -ve FDT_ERR_... on failure 283 */ 284 int arch_fixup_fdt(void *blob); 285 286 int reserve_mmu(void); 287 /* common/flash.c */ 288 void flash_perror (int); 289 290 /* common/cmd_source.c */ 291 int source (ulong addr, const char *fit_uname); 292 293 extern ulong load_addr; /* Default Load Address */ 294 extern ulong save_addr; /* Default Save Address */ 295 extern ulong save_size; /* Default Save Size */ 296 297 /* common/cmd_net.c */ 298 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 299 300 /* common/cmd_fat.c */ 301 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 302 303 /* common/cmd_ext2.c */ 304 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 305 306 /* common/cmd_nvedit.c */ 307 int env_init (void); 308 void env_relocate (void); 309 int envmatch (uchar *, int); 310 311 /** 312 * env_get() - Look up the value of an environment variable 313 * 314 * In U-Boot proper this can be called before relocation (which is when the 315 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 316 * case this function calls env_get_f(). 317 * 318 * @varname: Variable to look up 319 * @return value of variable, or NULL if not found 320 */ 321 char *env_get(const char *varname); 322 323 /** 324 * env_get_f() - Look up the value of an environment variable (early) 325 * 326 * This function is called from env_get() if the environment has not been 327 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 328 * support reading the value (slowly) and some will not. 329 * 330 * @varname: Variable to look up 331 * @return value of variable, or NULL if not found 332 */ 333 int env_get_f(const char *name, char *buf, unsigned len); 334 335 /** 336 * env_get_ulong() - Return an environment variable as an integer value 337 * 338 * Most U-Boot environment variables store hex values. For those which store 339 * (e.g.) base-10 integers, this function can be used to read the value. 340 * 341 * @name: Variable to look up 342 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 343 * @default_val: Default value to return if no value is found 344 * @return the value found, or @default_val if none 345 */ 346 ulong env_get_ulong(const char *name, int base, ulong default_val); 347 348 /** 349 * env_get_hex() - Return an environment variable as a hex value 350 * 351 * Decode an environment as a hex number (it may or may not have a 0x 352 * prefix). If the environment variable cannot be found, or does not start 353 * with hex digits, the default value is returned. 354 * 355 * @varname: Variable to decode 356 * @default_val: Value to return on error 357 */ 358 ulong env_get_hex(const char *varname, ulong default_val); 359 360 /* 361 * Read an environment variable as a boolean 362 * Return -1 if variable does not exist (default to true) 363 */ 364 int env_get_yesno(const char *var); 365 366 /** 367 * env_set() - set an environment variable 368 * 369 * This sets or deletes the value of an environment variable. For setting the 370 * value the variable is created if it does not already exist. 371 * 372 * @varname: Variable to adjust 373 * @value: Value to set for the variable, or NULL or "" to delete the variable 374 * @return 0 if OK, 1 on error 375 */ 376 int env_set(const char *varname, const char *value); 377 378 /** 379 * env_set_ulong() - set an environment variable to an integer 380 * 381 * @varname: Variable to adjust 382 * @value: Value to set for the variable (will be converted to a string) 383 * @return 0 if OK, 1 on error 384 */ 385 int env_set_ulong(const char *varname, ulong value); 386 387 /** 388 * env_set_hex() - set an environment variable to a hex value 389 * 390 * @varname: Variable to adjust 391 * @value: Value to set for the variable (will be converted to a hex string) 392 * @return 0 if OK, 1 on error 393 */ 394 int env_set_hex(const char *varname, ulong value); 395 396 /** 397 * env_set_addr - Set an environment variable to an address in hex 398 * 399 * @varname: Environment variable to set 400 * @addr: Value to set it to 401 * @return 0 if ok, 1 on error 402 */ 403 static inline int env_set_addr(const char *varname, const void *addr) 404 { 405 return env_set_hex(varname, (ulong)addr); 406 } 407 408 #ifdef CONFIG_AUTO_COMPLETE 409 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 410 #endif 411 int get_env_id (void); 412 413 void pci_init (void); 414 void pci_init_board(void); 415 416 #if defined(CONFIG_DTB_RESELECT) 417 int embedded_dtb_select(void); 418 #endif 419 420 int misc_init_f (void); 421 int misc_init_r (void); 422 423 /* common/exports.c */ 424 void jumptable_init(void); 425 426 /* common/kallsysm.c */ 427 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 428 429 /* common/memsize.c */ 430 long get_ram_size (long *, long); 431 phys_size_t get_effective_memsize(void); 432 433 /* $(BOARD)/$(BOARD).c */ 434 void reset_phy (void); 435 void fdc_hw_init (void); 436 437 /* $(BOARD)/eeprom.c */ 438 #ifdef CONFIG_CMD_EEPROM 439 void eeprom_init (int bus); 440 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 441 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 442 #else 443 /* 444 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 445 * some macros here so we don't have to touch every one of those uses 446 */ 447 #define eeprom_init(bus) 448 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 449 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 450 #endif 451 452 /* 453 * Set this up regardless of board 454 * type, to prevent errors. 455 */ 456 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 457 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 458 #else 459 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 460 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 461 #endif 462 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 463 464 #if defined(CONFIG_SPI) 465 extern void spi_init_f (void); 466 extern void spi_init_r (void); 467 extern ssize_t spi_read (uchar *, int, uchar *, int); 468 extern ssize_t spi_write (uchar *, int, uchar *, int); 469 #endif 470 471 /* $(BOARD)/$(BOARD).c */ 472 int board_early_init_f (void); 473 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 474 int board_late_init (void); 475 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 476 int board_early_init_r (void); 477 void board_poweroff (void); 478 479 #if defined(CONFIG_SYS_DRAM_TEST) 480 int testdram(void); 481 #endif /* CONFIG_SYS_DRAM_TEST */ 482 483 /* $(CPU)/start.S */ 484 int icache_status (void); 485 void icache_enable (void); 486 void icache_disable(void); 487 int dcache_status (void); 488 void dcache_enable (void); 489 void dcache_disable(void); 490 void mmu_disable(void); 491 #if defined(CONFIG_ARM) 492 void relocate_code(ulong); 493 #else 494 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 495 #endif 496 ulong get_endaddr (void); 497 void trap_init (ulong); 498 499 /* $(CPU)/cpu.c */ 500 static inline int cpumask_next(int cpu, unsigned int mask) 501 { 502 for (cpu++; !((1 << cpu) & mask); cpu++) 503 ; 504 505 return cpu; 506 } 507 508 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 509 for (iter = 0, cpu = cpumask_next(-1, mask); \ 510 iter < num_cpus; \ 511 iter++, cpu = cpumask_next(cpu, mask)) \ 512 513 int cpu_numcores (void); 514 int cpu_num_dspcores(void); 515 u32 cpu_mask (void); 516 u32 cpu_dsp_mask(void); 517 int is_core_valid (unsigned int); 518 519 /** 520 * arch_cpu_init() - basic cpu-dependent setup for an architecture 521 * 522 * This is called after early malloc is available. It should handle any 523 * CPU- or SoC- specific init needed to continue the init sequence. See 524 * board_f.c for where it is called. If this is not provided, a default 525 * version (which does nothing) will be used. 526 */ 527 int arch_cpu_init(void); 528 529 int checkcpu (void); 530 int checkicache (void); 531 int checkdcache (void); 532 void upmconfig (unsigned int, unsigned int *, unsigned int); 533 ulong get_tbclk (void); 534 void reset_misc (void); 535 void reset_cpu (ulong addr); 536 void ft_cpu_setup(void *blob, bd_t *bd); 537 void ft_pci_setup(void *blob, bd_t *bd); 538 539 void smp_set_core_boot_addr(unsigned long addr, int corenr); 540 void smp_kick_all_cpus(void); 541 542 /* $(CPU)/serial.c */ 543 int serial_init (void); 544 void serial_setbrg (void); 545 void serial_putc (const char); 546 void serial_putc_raw(const char); 547 void serial_puts (const char *); 548 int serial_getc (void); 549 int serial_tstc (void); 550 551 /* $(CPU)/speed.c */ 552 int get_clocks (void); 553 ulong get_bus_freq (ulong); 554 int get_serial_clock(void); 555 556 int cpu_init_r (void); 557 558 /* $(CPU)/interrupts.c */ 559 int interrupt_init (void); 560 void timer_interrupt (struct pt_regs *); 561 void external_interrupt (struct pt_regs *); 562 void irq_install_handler(int, interrupt_handler_t *, void *); 563 void irq_free_handler (int); 564 void reset_timer (void); 565 566 /* Return value of monotonic microsecond timer */ 567 unsigned long timer_get_us(void); 568 569 void enable_interrupts (void); 570 int disable_interrupts (void); 571 572 /* $(CPU)/.../commproc.c */ 573 int dpram_init (void); 574 uint dpram_base(void); 575 uint dpram_base_align(uint align); 576 uint dpram_alloc(uint size); 577 uint dpram_alloc_align(uint size,uint align); 578 void bootcount_store (ulong); 579 ulong bootcount_load (void); 580 #define BOOTCOUNT_MAGIC 0xB001C041 581 582 /* $(CPU)/.../<eth> */ 583 void mii_init (void); 584 585 /* $(CPU)/.../lcd.c */ 586 ulong lcd_setmem (ulong); 587 588 /* $(CPU)/.../video.c */ 589 ulong video_setmem (ulong); 590 591 /* arch/$(ARCH)/lib/cache.c */ 592 void enable_caches(void); 593 void flush_cache (unsigned long, unsigned long); 594 void flush_dcache_all(void); 595 void flush_dcache_range(unsigned long start, unsigned long stop); 596 void invalidate_dcache_range(unsigned long start, unsigned long stop); 597 void invalidate_dcache_all(void); 598 void invalidate_icache_all(void); 599 600 enum { 601 /* Disable caches (else flush caches but leave them active) */ 602 CBL_DISABLE_CACHES = 1 << 0, 603 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 604 605 CBL_ALL = 3, 606 }; 607 608 /** 609 * Clean up ready for linux 610 * 611 * @param flags Flags to control what is done 612 */ 613 int cleanup_before_linux_select(int flags); 614 615 /* arch/$(ARCH)/lib/ticks.S */ 616 uint64_t get_ticks(void); 617 void wait_ticks (unsigned long); 618 619 /* arch/$(ARCH)/lib/time.c */ 620 ulong usec2ticks (unsigned long usec); 621 ulong ticks2usec (unsigned long ticks); 622 623 /* lib/gunzip.c */ 624 int gunzip(void *, int, unsigned char *, unsigned long *); 625 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 626 int stoponerr, int offset); 627 628 /** 629 * gzwrite progress indicators: defined weak to allow board-specific 630 * overrides: 631 * 632 * gzwrite_progress_init called on startup 633 * gzwrite_progress called during decompress/write loop 634 * gzwrite_progress_finish called at end of loop to 635 * indicate success (retcode=0) or failure 636 */ 637 void gzwrite_progress_init(u64 expected_size); 638 639 void gzwrite_progress(int iteration, 640 u64 bytes_written, 641 u64 total_bytes); 642 643 void gzwrite_progress_finish(int retcode, 644 u64 totalwritten, 645 u64 totalsize, 646 u32 expected_crc, 647 u32 calculated_crc); 648 649 /** 650 * decompress and write gzipped image from memory to block device 651 * 652 * @param src compressed image address 653 * @param len compressed image length in bytes 654 * @param dev block device descriptor 655 * @param szwritebuf bytes per write (pad to erase size) 656 * @param startoffs offset in bytes of first write 657 * @param szexpected expected uncompressed length 658 * may be zero to use gzip trailer 659 * for files under 4GiB 660 */ 661 int gzwrite(unsigned char *src, int len, 662 struct blk_desc *dev, 663 unsigned long szwritebuf, 664 u64 startoffs, 665 u64 szexpected); 666 667 /* lib/lz4_wrapper.c */ 668 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 669 670 /* lib/qsort.c */ 671 void qsort(void *base, size_t nmemb, size_t size, 672 int(*compar)(const void *, const void *)); 673 int strcmp_compar(const void *, const void *); 674 675 /* lib/uuid.c */ 676 #include <uuid.h> 677 678 /* lib/vsprintf.c */ 679 #include <vsprintf.h> 680 681 /* lib/strmhz.c */ 682 char * strmhz(char *buf, unsigned long hz); 683 684 /* lib/crc32.c */ 685 #include <u-boot/crc.h> 686 687 /* lib/rand.c */ 688 #define RAND_MAX -1U 689 void srand(unsigned int seed); 690 unsigned int rand(void); 691 unsigned int rand_r(unsigned int *seedp); 692 693 /* 694 * STDIO based functions (can always be used) 695 */ 696 /* serial stuff */ 697 int serial_printf (const char *fmt, ...) 698 __attribute__ ((format (__printf__, 1, 2))); 699 700 /* lib/gzip.c */ 701 int gzip(void *dst, unsigned long *lenp, 702 unsigned char *src, unsigned long srclen); 703 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 704 unsigned long srclen, int stoponerr, 705 int (*func)(unsigned long, unsigned long)); 706 707 /* lib/net_utils.c */ 708 #include <net.h> 709 static inline struct in_addr env_get_ip(char *var) 710 { 711 return string_to_ip(env_get(var)); 712 } 713 714 int pcmcia_init (void); 715 716 #ifdef CONFIG_LED_STATUS 717 # include <status_led.h> 718 #endif 719 720 #include <bootstage.h> 721 722 #ifdef CONFIG_SHOW_ACTIVITY 723 void show_activity(int arg); 724 #endif 725 726 /* Multicore arch functions */ 727 #ifdef CONFIG_MP 728 int cpu_status(int nr); 729 int cpu_reset(int nr); 730 int cpu_disable(int nr); 731 int cpu_release(int nr, int argc, char * const argv[]); 732 #endif 733 734 #else /* __ASSEMBLY__ */ 735 736 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 737 #define _AC(X, Y) X 738 739 #endif /* __ASSEMBLY__ */ 740 741 /* Put only stuff here that the assembler can digest */ 742 743 /* Declare an unsigned long constant digestable both by C and an assembler. */ 744 #define UL(x) _AC(x, UL) 745 746 #ifdef CONFIG_POST 747 #define CONFIG_HAS_POST 748 #ifndef CONFIG_POST_ALT_LIST 749 #define CONFIG_POST_STD_LIST 750 #endif 751 #endif 752 753 #ifdef CONFIG_INIT_CRITICAL 754 #error CONFIG_INIT_CRITICAL is deprecated! 755 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 756 #endif 757 758 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 759 760 /* 761 * check_member() - Check the offset of a structure member 762 * 763 * @structure: Name of structure (e.g. global_data) 764 * @member: Name of member (e.g. baudrate) 765 * @offset: Expected offset in bytes 766 */ 767 #define check_member(structure, member, offset) _Static_assert( \ 768 offsetof(struct structure, member) == offset, \ 769 "`struct " #structure "` offset for `" #member "` is not " #offset) 770 771 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 772 #ifdef CONFIG_EFI_STUB 773 #define ll_boot_init() false 774 #else 775 #define ll_boot_init() true 776 #endif 777 778 /* Pull in stuff for the build system */ 779 #ifdef DO_DEPS_ONLY 780 # include <environment.h> 781 #endif 782 783 #endif /* __COMMON_H_ */ 784