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