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 /* 184 * setup_board_extra() - Fill in extra details in the bd_t structure 185 * 186 * @return 0 if OK, -ve on error 187 */ 188 int setup_board_extra(void); 189 190 /** 191 * arch_fsp_init() - perform firmware support package init 192 * 193 * Where U-Boot relies on binary blobs to handle part of the system init, this 194 * function can be used to set up the blobs. This is used on some Intel 195 * platforms. 196 */ 197 int arch_fsp_init(void); 198 199 /** 200 * arch_cpu_init_dm() - init CPU after driver model is available 201 * 202 * This is called immediately after driver model is available before 203 * relocation. This is similar to arch_cpu_init() but is able to reference 204 * devices 205 * 206 * @return 0 if OK, -ve on error 207 */ 208 int arch_cpu_init_dm(void); 209 210 /** 211 * Reserve all necessary stacks 212 * 213 * This is used in generic board init sequence in common/board_f.c. Each 214 * architecture could provide this function to tailor the required stacks. 215 * 216 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 217 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 218 * require only this can leave it untouched. 219 * 220 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 221 * positions of the stack. The stack pointer(s) will be set to this later. 222 * gd->irq_sp is only required, if the architecture needs it. 223 * 224 * @return 0 if no error 225 */ 226 __weak int arch_reserve_stacks(void); 227 228 /** 229 * Show the DRAM size in a board-specific way 230 * 231 * This is used by boards to display DRAM information in their own way. 232 * 233 * @param size Size of DRAM (which should be displayed along with other info) 234 */ 235 void board_show_dram(phys_size_t size); 236 237 /** 238 * arch_fixup_fdt() - Write arch-specific information to fdt 239 * 240 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 241 * 242 * @blob: FDT blob to write to 243 * @return 0 if ok, or -ve FDT_ERR_... on failure 244 */ 245 int arch_fixup_fdt(void *blob); 246 247 int reserve_mmu(void); 248 /* common/flash.c */ 249 void flash_perror (int); 250 251 /* common/cmd_source.c */ 252 int source (ulong addr, const char *fit_uname); 253 254 extern ulong load_addr; /* Default Load Address */ 255 extern ulong save_addr; /* Default Save Address */ 256 extern ulong save_size; /* Default Save Size */ 257 258 /* common/cmd_net.c */ 259 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 260 261 /* common/cmd_fat.c */ 262 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 263 264 /* common/cmd_ext2.c */ 265 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 266 267 /* common/cmd_nvedit.c */ 268 int env_init (void); 269 void env_relocate (void); 270 int envmatch (uchar *, int); 271 272 /** 273 * env_get() - Look up the value of an environment variable 274 * 275 * In U-Boot proper this can be called before relocation (which is when the 276 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 277 * case this function calls env_get_f(). 278 * 279 * @varname: Variable to look up 280 * @return value of variable, or NULL if not found 281 */ 282 char *env_get(const char *varname); 283 284 /** 285 * env_get_f() - Look up the value of an environment variable (early) 286 * 287 * This function is called from env_get() if the environment has not been 288 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 289 * support reading the value (slowly) and some will not. 290 * 291 * @varname: Variable to look up 292 * @return value of variable, or NULL if not found 293 */ 294 int env_get_f(const char *name, char *buf, unsigned len); 295 296 /** 297 * env_get_ulong() - Return an environment variable as an integer value 298 * 299 * Most U-Boot environment variables store hex values. For those which store 300 * (e.g.) base-10 integers, this function can be used to read the value. 301 * 302 * @name: Variable to look up 303 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 304 * @default_val: Default value to return if no value is found 305 * @return the value found, or @default_val if none 306 */ 307 ulong env_get_ulong(const char *name, int base, ulong default_val); 308 309 /** 310 * env_get_hex() - Return an environment variable as a hex value 311 * 312 * Decode an environment as a hex number (it may or may not have a 0x 313 * prefix). If the environment variable cannot be found, or does not start 314 * with hex digits, the default value is returned. 315 * 316 * @varname: Variable to decode 317 * @default_val: Value to return on error 318 */ 319 ulong env_get_hex(const char *varname, ulong default_val); 320 321 /* 322 * Read an environment variable as a boolean 323 * Return -1 if variable does not exist (default to true) 324 */ 325 int env_get_yesno(const char *var); 326 327 /** 328 * env_set() - set an environment variable 329 * 330 * This sets or deletes the value of an environment variable. For setting the 331 * value the variable is created if it does not already exist. 332 * 333 * @varname: Variable to adjust 334 * @value: Value to set for the variable, or NULL or "" to delete the variable 335 * @return 0 if OK, 1 on error 336 */ 337 int env_set(const char *varname, const char *value); 338 339 /** 340 * env_update() - update sub value of an environment variable 341 * 342 * This add/append/replace the sub value of an environment variable. 343 * 344 * @varname: Variable to adjust 345 * @valude: Value to append/replace 346 * @ignore: Value to be ignore if in varvalue 347 * @return 0 if OK, 1 on error 348 */ 349 int env_update_filter(const char *varname, const char *varvalue, 350 const char *ignore); 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 * @return 0 if OK, 1 on error 360 */ 361 int env_update(const char *varname, const char *varvalue); 362 363 /** 364 * env_exist() - check sub value of an environment variable is exist or not 365 * 366 * @varname: Variable to look up 367 * @value: Value to check 368 * @return posItion of varvalue if exist, otherwise NULL 369 */ 370 char *env_exist(const char *varname, const char *varvalue); 371 372 /** 373 * env_delete() - delete sub value of an environment variable 374 * 375 * @varname: Variable to look up 376 * @value: Item head of value to delete 377 * @complete_match: complete match whole words 378 * @return 0 if ok, 1 on error 379 */ 380 int env_delete(const char *varname, const char *varvalue, int complete_match); 381 382 /** 383 * env_set_ulong() - set an environment variable to an integer 384 * 385 * @varname: Variable to adjust 386 * @value: Value to set for the variable (will be converted to a string) 387 * @return 0 if OK, 1 on error 388 */ 389 int env_set_ulong(const char *varname, ulong value); 390 391 /** 392 * env_set_hex() - set an environment variable to a hex value 393 * 394 * @varname: Variable to adjust 395 * @value: Value to set for the variable (will be converted to a hex string) 396 * @return 0 if OK, 1 on error 397 */ 398 int env_set_hex(const char *varname, ulong value); 399 400 /** 401 * env_set_addr - Set an environment variable to an address in hex 402 * 403 * @varname: Environment variable to set 404 * @addr: Value to set it to 405 * @return 0 if ok, 1 on error 406 */ 407 static inline int env_set_addr(const char *varname, const void *addr) 408 { 409 return env_set_hex(varname, (ulong)addr); 410 } 411 412 #ifdef CONFIG_AUTO_COMPLETE 413 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 414 #endif 415 int get_env_id (void); 416 417 void pci_init (void); 418 void pci_init_board(void); 419 420 #if defined(CONFIG_DTB_RESELECT) 421 int embedded_dtb_select(void); 422 #endif 423 424 int misc_init_f (void); 425 int misc_init_r (void); 426 427 /* common/exports.c */ 428 void jumptable_init(void); 429 430 /* common/kallsysm.c */ 431 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 432 433 /* common/memsize.c */ 434 long get_ram_size (long *, long); 435 phys_size_t get_effective_memsize(void); 436 437 /* $(BOARD)/$(BOARD).c */ 438 void reset_phy (void); 439 void fdc_hw_init (void); 440 441 /* $(BOARD)/eeprom.c */ 442 #ifdef CONFIG_CMD_EEPROM 443 void eeprom_init (int bus); 444 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 445 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 446 #else 447 /* 448 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 449 * some macros here so we don't have to touch every one of those uses 450 */ 451 #define eeprom_init(bus) 452 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 453 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 454 #endif 455 456 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) 457 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 458 #endif 459 460 #if defined(CONFIG_MPC8XX_SPI) 461 extern void spi_init_f (void); 462 extern void spi_init_r (void); 463 extern ssize_t spi_read (uchar *, int, uchar *, int); 464 extern ssize_t spi_write (uchar *, int, uchar *, int); 465 #endif 466 467 /* $(BOARD)/$(BOARD).c */ 468 int board_early_init_f (void); 469 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 470 int board_late_init (void); 471 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 472 int board_early_init_r (void); 473 void board_poweroff (void); 474 void board_env_fixup(void); 475 476 #if defined(CONFIG_SYS_DRAM_TEST) 477 int testdram(void); 478 #endif /* CONFIG_SYS_DRAM_TEST */ 479 480 /* $(CPU)/start.S */ 481 int icache_status (void); 482 void icache_enable (void); 483 void icache_disable(void); 484 int dcache_status (void); 485 void dcache_enable (void); 486 void dcache_disable(void); 487 void mmu_disable(void); 488 #if defined(CONFIG_ARM) 489 void relocate_code(ulong); 490 #else 491 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 492 #endif 493 ulong get_endaddr (void); 494 void trap_init (ulong); 495 496 /* $(CPU)/cpu.c */ 497 static inline int cpumask_next(int cpu, unsigned int mask) 498 { 499 for (cpu++; !((1 << cpu) & mask); cpu++) 500 ; 501 502 return cpu; 503 } 504 505 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 506 for (iter = 0, cpu = cpumask_next(-1, mask); \ 507 iter < num_cpus; \ 508 iter++, cpu = cpumask_next(cpu, mask)) \ 509 510 int cpu_numcores (void); 511 int cpu_num_dspcores(void); 512 u32 cpu_mask (void); 513 u32 cpu_dsp_mask(void); 514 int is_core_valid (unsigned int); 515 516 /** 517 * arch_cpu_init() - basic cpu-dependent setup for an architecture 518 * 519 * This is called after early malloc is available. It should handle any 520 * CPU- or SoC- specific init needed to continue the init sequence. See 521 * board_f.c for where it is called. If this is not provided, a default 522 * version (which does nothing) will be used. 523 */ 524 int arch_cpu_init(void); 525 526 int arch_fpga_init(void); 527 528 void s_init(void); 529 530 int checkcpu (void); 531 int checkicache (void); 532 int checkdcache (void); 533 void upmconfig (unsigned int, unsigned int *, unsigned int); 534 ulong get_tbclk (void); 535 void reset_misc (void); 536 void reset_cpu (ulong addr); 537 void ft_cpu_setup(void *blob, bd_t *bd); 538 void ft_pci_setup(void *blob, bd_t *bd); 539 540 void smp_set_core_boot_addr(unsigned long addr, int corenr); 541 void smp_kick_all_cpus(void); 542 543 /* $(CPU)/serial.c */ 544 int serial_init (void); 545 void serial_setbrg (void); 546 void serial_putc (const char); 547 void serial_clear (void); 548 void serial_putc_raw(const char); 549 void serial_puts (const char *); 550 int serial_getc (void); 551 int serial_tstc (void); 552 553 /* $(CPU)/speed.c */ 554 int get_clocks (void); 555 ulong get_bus_freq (ulong); 556 int get_serial_clock(void); 557 558 int cpu_init_r (void); 559 560 /* $(CPU)/interrupts.c */ 561 int interrupt_init (void); 562 void timer_interrupt (struct pt_regs *); 563 void external_interrupt (struct pt_regs *); 564 void irq_install_handler(int, interrupt_handler_t *, void *); 565 void irq_free_handler (int); 566 void reset_timer (void); 567 568 /* Return value of monotonic microsecond timer */ 569 unsigned long timer_get_us(void); 570 571 void enable_interrupts (void); 572 int disable_interrupts (void); 573 574 /* $(CPU)/.../commproc.c */ 575 int dpram_init (void); 576 uint dpram_base(void); 577 uint dpram_base_align(uint align); 578 uint dpram_alloc(uint size); 579 uint dpram_alloc_align(uint size,uint align); 580 void bootcount_store (ulong); 581 ulong bootcount_load (void); 582 #define BOOTCOUNT_MAGIC 0xB001C041 583 584 /* $(CPU)/.../<eth> */ 585 void mii_init (void); 586 587 /* $(CPU)/.../lcd.c */ 588 ulong lcd_setmem (ulong); 589 590 /* $(CPU)/.../video.c */ 591 ulong video_setmem (ulong); 592 593 /* arch/$(ARCH)/lib/cache.c */ 594 void enable_caches(void); 595 void flush_cache (unsigned long, unsigned long); 596 void flush_dcache_all(void); 597 void flush_dcache_range(unsigned long start, unsigned long stop); 598 void invalidate_dcache_range(unsigned long start, unsigned long stop); 599 void invalidate_dcache_all(void); 600 void invalidate_icache_all(void); 601 602 enum { 603 /* Disable caches (else flush caches but leave them active) */ 604 CBL_DISABLE_CACHES = 1 << 0, 605 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 606 607 CBL_ALL = 3, 608 }; 609 610 /** 611 * Clean up ready for linux 612 * 613 * @param flags Flags to control what is done 614 */ 615 int cleanup_before_linux_select(int flags); 616 617 /* arch/$(ARCH)/lib/ticks.S */ 618 uint64_t get_ticks(void); 619 void wait_ticks (unsigned long); 620 621 /* arch/$(ARCH)/lib/time.c */ 622 ulong usec2ticks (unsigned long usec); 623 ulong ticks2usec (unsigned long ticks); 624 625 /* lib/gunzip.c */ 626 int gzip_parse_header(const unsigned char *src, unsigned long len); 627 int gunzip(void *, int, unsigned char *, unsigned long *); 628 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 629 int stoponerr, int offset); 630 631 /** 632 * gzwrite progress indicators: defined weak to allow board-specific 633 * overrides: 634 * 635 * gzwrite_progress_init called on startup 636 * gzwrite_progress called during decompress/write loop 637 * gzwrite_progress_finish called at end of loop to 638 * indicate success (retcode=0) or failure 639 */ 640 void gzwrite_progress_init(u64 expected_size); 641 642 void gzwrite_progress(int iteration, 643 u64 bytes_written, 644 u64 total_bytes); 645 646 void gzwrite_progress_finish(int retcode, 647 u64 totalwritten, 648 u64 totalsize, 649 u32 expected_crc, 650 u32 calculated_crc); 651 652 /** 653 * decompress and write gzipped image from memory to block device 654 * 655 * @param src compressed image address 656 * @param len compressed image length in bytes 657 * @param dev block device descriptor 658 * @param szwritebuf bytes per write (pad to erase size) 659 * @param startoffs offset in bytes of first write 660 * @param szexpected expected uncompressed length 661 * may be zero to use gzip trailer 662 * for files under 4GiB 663 */ 664 int gzwrite(unsigned char *src, int len, 665 struct blk_desc *dev, 666 unsigned long szwritebuf, 667 u64 startoffs, 668 u64 szexpected); 669 670 /* lib/lz4_wrapper.c */ 671 bool lz4_is_valid_header(const unsigned char *h); 672 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 673 674 /* lib/qsort.c */ 675 void qsort(void *base, size_t nmemb, size_t size, 676 int(*compar)(const void *, const void *)); 677 int strcmp_compar(const void *, const void *); 678 679 /* lib/uuid.c */ 680 #include <uuid.h> 681 682 /* lib/vsprintf.c */ 683 #include <vsprintf.h> 684 685 /* lib/strmhz.c */ 686 char * strmhz(char *buf, unsigned long hz); 687 688 /* lib/crc32.c */ 689 #include <u-boot/crc.h> 690 691 /* lib/rand.c */ 692 #define RAND_MAX -1U 693 void srand(unsigned int seed); 694 unsigned int rand(void); 695 unsigned int rand_r(unsigned int *seedp); 696 697 /* 698 * STDIO based functions (can always be used) 699 */ 700 /* serial stuff */ 701 int serial_printf (const char *fmt, ...) 702 __attribute__ ((format (__printf__, 1, 2))); 703 704 /* lib/gzip.c */ 705 int gzip(void *dst, unsigned long *lenp, 706 unsigned char *src, unsigned long srclen); 707 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 708 unsigned long srclen, int stoponerr, 709 int (*func)(unsigned long, unsigned long)); 710 711 /* lib/net_utils.c */ 712 #include <net.h> 713 static inline struct in_addr env_get_ip(char *var) 714 { 715 return string_to_ip(env_get(var)); 716 } 717 718 int pcmcia_init (void); 719 720 #ifdef CONFIG_LED_STATUS 721 # include <status_led.h> 722 #endif 723 724 #include <bootstage.h> 725 726 #ifdef CONFIG_SHOW_ACTIVITY 727 void show_activity(int arg); 728 #endif 729 730 /* Multicore arch functions */ 731 #ifdef CONFIG_MP 732 int cpu_status(int nr); 733 int cpu_reset(int nr); 734 int cpu_disable(int nr); 735 int cpu_release(int nr, int argc, char * const argv[]); 736 #endif 737 738 #else /* __ASSEMBLY__ */ 739 740 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 741 #define _AC(X, Y) X 742 743 #endif /* __ASSEMBLY__ */ 744 745 /* Put only stuff here that the assembler can digest */ 746 747 /* Declare an unsigned long constant digestable both by C and an assembler. */ 748 #define UL(x) _AC(x, UL) 749 750 #ifdef CONFIG_POST 751 #define CONFIG_HAS_POST 752 #ifndef CONFIG_POST_ALT_LIST 753 #define CONFIG_POST_STD_LIST 754 #endif 755 #endif 756 757 #ifdef CONFIG_INIT_CRITICAL 758 #error CONFIG_INIT_CRITICAL is deprecated! 759 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 760 #endif 761 762 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 763 764 /* 765 * check_member() - Check the offset of a structure member 766 * 767 * @structure: Name of structure (e.g. global_data) 768 * @member: Name of member (e.g. baudrate) 769 * @offset: Expected offset in bytes 770 */ 771 #define check_member(structure, member, offset) _Static_assert( \ 772 offsetof(struct structure, member) == offset, \ 773 "`struct " #structure "` offset for `" #member "` is not " #offset) 774 775 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 776 #ifdef CONFIG_EFI_STUB 777 #define ll_boot_init() false 778 #else 779 #define ll_boot_init() true 780 #endif 781 782 /* Pull in stuff for the build system */ 783 #ifdef DO_DEPS_ONLY 784 # include <environment.h> 785 #endif 786 787 #endif /* __COMMON_H_ */ 788