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 #include <log.h> 49 50 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus) 51 # undef static_assert 52 # define static_assert _Static_assert 53 #endif 54 55 #ifndef CONFIG_IRQ 56 typedef void (interrupt_handler_t)(void *); 57 #else 58 typedef void (interrupt_handler_t)(int, void *); 59 #endif 60 61 #include <asm/u-boot.h> /* boot information for Linux kernel */ 62 #include <asm/global_data.h> /* global data used for startup functions */ 63 64 #if defined(CONFIG_ENV_IS_EMBEDDED) 65 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 66 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 67 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 68 defined(CONFIG_ENV_IS_IN_NVRAM) 69 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 70 #else 71 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 72 #endif 73 74 /* 75 * Function Prototypes 76 */ 77 int dram_init(void); 78 79 /** 80 * dram_init_banksize() - Set up DRAM bank sizes 81 * 82 * This can be implemented by boards to set up the DRAM bank information in 83 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 84 * is called. 85 * 86 * If this is not provided, a default implementation will try to set up a 87 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 88 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 89 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 90 * get_effective_memsize(). 91 * 92 * @return 0 if OK, -ve on error 93 */ 94 int dram_init_banksize(void); 95 96 void hang (void) __attribute__ ((noreturn)); 97 98 int timer_init(void); 99 int cpu_init(void); 100 101 #include <display_options.h> 102 103 /* common/main.c */ 104 void main_loop (void); 105 int run_command(const char *cmd, int flag); 106 int run_command_repeatable(const char *cmd, int flag); 107 108 /** 109 * Run a list of commands separated by ; or even \0 110 * 111 * Note that if 'len' is not -1, then the command does not need to be nul 112 * terminated, Memory will be allocated for the command in that case. 113 * 114 * @param cmd List of commands to run, each separated bu semicolon 115 * @param len Length of commands excluding terminator if known (-1 if not) 116 * @param flag Execution flags (CMD_FLAG_...) 117 * @return 0 on success, or != 0 on error. 118 */ 119 int run_command_list(const char *cmd, int len, int flag); 120 121 /* arch/$(ARCH)/lib/board.c */ 122 void board_init_f(ulong); 123 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 124 125 /** 126 * ulong board_init_f_alloc_reserve - allocate reserved area 127 * 128 * This function is called by each architecture very early in the start-up 129 * code to allow the C runtime to reserve space on the stack for writable 130 * 'globals' such as GD and the malloc arena. 131 * 132 * @top: top of the reserve area, growing down. 133 * @return: bottom of reserved area 134 */ 135 ulong board_init_f_alloc_reserve(ulong top); 136 137 /** 138 * board_init_f_init_reserve - initialize the reserved area(s) 139 * 140 * This function is called once the C runtime has allocated the reserved 141 * area on the stack. It must initialize the GD at the base of that area. 142 * 143 * @base: top from which reservation was done 144 */ 145 void board_init_f_init_reserve(ulong base); 146 147 /* 148 * Board-specific Platform code can init serial earlier if needed 149 */ 150 __weak int board_init_f_init_serial(void); 151 152 /** 153 * arch_setup_gd() - Set up the global_data pointer 154 * 155 * This pointer is special in some architectures and cannot easily be assigned 156 * to. For example on x86 it is implemented by adding a specific record to its 157 * Global Descriptor Table! So we we provide a function to carry out this task. 158 * For most architectures this can simply be: 159 * 160 * gd = gd_ptr; 161 * 162 * @gd_ptr: Pointer to global data 163 */ 164 void arch_setup_gd(gd_t *gd_ptr); 165 166 int checkboard(void); 167 int show_board_info(void); 168 int checkflash(void); 169 int checkdram(void); 170 int last_stage_init(void); 171 extern ulong monitor_flash_len; 172 int mac_read_from_eeprom(void); 173 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 174 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */ 175 int set_cpu_clk_info(void); 176 int mdm_init(void); 177 int print_cpuinfo(void); 178 int update_flash_size(int flash_size); 179 int arch_early_init_r(void); 180 181 /* 182 * setup_board_extra() - Fill in extra details in the bd_t structure 183 * 184 * @return 0 if OK, -ve on error 185 */ 186 int setup_board_extra(void); 187 188 /** 189 * arch_fsp_init() - perform firmware support package init 190 * 191 * Where U-Boot relies on binary blobs to handle part of the system init, this 192 * function can be used to set up the blobs. This is used on some Intel 193 * platforms. 194 */ 195 int arch_fsp_init(void); 196 197 /** 198 * arch_cpu_init_dm() - init CPU after driver model is available 199 * 200 * This is called immediately after driver model is available before 201 * relocation. This is similar to arch_cpu_init() but is able to reference 202 * devices 203 * 204 * @return 0 if OK, -ve on error 205 */ 206 int arch_cpu_init_dm(void); 207 208 /** 209 * Reserve all necessary stacks 210 * 211 * This is used in generic board init sequence in common/board_f.c. Each 212 * architecture could provide this function to tailor the required stacks. 213 * 214 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 215 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 216 * require only this can leave it untouched. 217 * 218 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 219 * positions of the stack. The stack pointer(s) will be set to this later. 220 * gd->irq_sp is only required, if the architecture needs it. 221 * 222 * @return 0 if no error 223 */ 224 __weak int arch_reserve_stacks(void); 225 226 /** 227 * Show the DRAM size in a board-specific way 228 * 229 * This is used by boards to display DRAM information in their own way. 230 * 231 * @param size Size of DRAM (which should be displayed along with other info) 232 */ 233 void board_show_dram(phys_size_t size); 234 235 /** 236 * arch_fixup_fdt() - Write arch-specific information to fdt 237 * 238 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 239 * 240 * @blob: FDT blob to write to 241 * @return 0 if ok, or -ve FDT_ERR_... on failure 242 */ 243 int arch_fixup_fdt(void *blob); 244 245 int reserve_mmu(void); 246 /* common/flash.c */ 247 void flash_perror (int); 248 249 /* common/cmd_source.c */ 250 int source (ulong addr, const char *fit_uname); 251 252 extern ulong load_addr; /* Default Load Address */ 253 extern ulong save_addr; /* Default Save Address */ 254 extern ulong save_size; /* Default Save Size */ 255 256 /* common/cmd_net.c */ 257 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 258 259 /* common/cmd_fat.c */ 260 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 261 262 /* common/cmd_ext2.c */ 263 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 264 265 /* common/cmd_nvedit.c */ 266 int env_init (void); 267 void env_relocate (void); 268 int envmatch (uchar *, int); 269 270 /** 271 * env_get() - Look up the value of an environment variable 272 * 273 * In U-Boot proper this can be called before relocation (which is when the 274 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that 275 * case this function calls env_get_f(). 276 * 277 * @varname: Variable to look up 278 * @return value of variable, or NULL if not found 279 */ 280 char *env_get(const char *varname); 281 282 /** 283 * env_get_f() - Look up the value of an environment variable (early) 284 * 285 * This function is called from env_get() if the environment has not been 286 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will 287 * support reading the value (slowly) and some will not. 288 * 289 * @varname: Variable to look up 290 * @return value of variable, or NULL if not found 291 */ 292 int env_get_f(const char *name, char *buf, unsigned len); 293 294 /** 295 * env_get_ulong() - Return an environment variable as an integer value 296 * 297 * Most U-Boot environment variables store hex values. For those which store 298 * (e.g.) base-10 integers, this function can be used to read the value. 299 * 300 * @name: Variable to look up 301 * @base: Base to use (e.g. 10 for base 10, 2 for binary) 302 * @default_val: Default value to return if no value is found 303 * @return the value found, or @default_val if none 304 */ 305 ulong env_get_ulong(const char *name, int base, ulong default_val); 306 307 /** 308 * env_get_hex() - Return an environment variable as a hex value 309 * 310 * Decode an environment as a hex number (it may or may not have a 0x 311 * prefix). If the environment variable cannot be found, or does not start 312 * with hex digits, the default value is returned. 313 * 314 * @varname: Variable to decode 315 * @default_val: Value to return on error 316 */ 317 ulong env_get_hex(const char *varname, ulong default_val); 318 319 /* 320 * Read an environment variable as a boolean 321 * Return -1 if variable does not exist (default to true) 322 */ 323 int env_get_yesno(const char *var); 324 325 /** 326 * env_set() - set an environment variable 327 * 328 * This sets or deletes the value of an environment variable. For setting the 329 * value the variable is created if it does not already exist. 330 * 331 * @varname: Variable to adjust 332 * @value: Value to set for the variable, or NULL or "" to delete the variable 333 * @return 0 if OK, 1 on error 334 */ 335 int env_set(const char *varname, const char *value); 336 337 /** 338 * env_update() - update sub value of an environment variable 339 * 340 * This add/append/replace the sub value of an environment variable. 341 * 342 * @varname: Variable to adjust 343 * @valude: Value to append/replace 344 * @ignore: Value to be ignore if in varvalue 345 * @return 0 if OK, 1 on error 346 */ 347 int env_update_filter(const char *varname, const char *varvalue, 348 const char *ignore); 349 350 /** 351 * env_update() - update sub value of an environment variable 352 * 353 * This add/append/replace the sub value of an environment variable. 354 * 355 * @varname: Variable to adjust 356 * @valude: Value to append/replace 357 * @return 0 if OK, 1 on error 358 */ 359 int env_update(const char *varname, const char *varvalue); 360 361 /** 362 * env_exist() - check sub value of an environment variable is exist or not 363 * 364 * @varname: Variable to look up 365 * @value: Value to check 366 * @return posItion of varvalue if exist, otherwise NULL 367 */ 368 char *env_exist(const char *varname, const char *varvalue); 369 370 /** 371 * env_delete() - delete sub value of an environment variable 372 * 373 * @varname: Variable to look up 374 * @value: Item head of value to delete 375 * @complete_match: complete match whole words 376 * @return 0 if ok, 1 on error 377 */ 378 int env_delete(const char *varname, const char *varvalue, int complete_match); 379 380 /** 381 * env_set_ulong() - set an environment variable to an integer 382 * 383 * @varname: Variable to adjust 384 * @value: Value to set for the variable (will be converted to a string) 385 * @return 0 if OK, 1 on error 386 */ 387 int env_set_ulong(const char *varname, ulong value); 388 389 /** 390 * env_set_hex() - set an environment variable to a hex value 391 * 392 * @varname: Variable to adjust 393 * @value: Value to set for the variable (will be converted to a hex string) 394 * @return 0 if OK, 1 on error 395 */ 396 int env_set_hex(const char *varname, ulong value); 397 398 /** 399 * env_set_addr - Set an environment variable to an address in hex 400 * 401 * @varname: Environment variable to set 402 * @addr: Value to set it to 403 * @return 0 if ok, 1 on error 404 */ 405 static inline int env_set_addr(const char *varname, const void *addr) 406 { 407 return env_set_hex(varname, (ulong)addr); 408 } 409 410 #ifdef CONFIG_AUTO_COMPLETE 411 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 412 #endif 413 int get_env_id (void); 414 415 void pci_init (void); 416 void pci_init_board(void); 417 418 #if defined(CONFIG_DTB_RESELECT) 419 int embedded_dtb_select(void); 420 #endif 421 422 int misc_init_f (void); 423 int misc_init_r (void); 424 425 /* common/exports.c */ 426 void jumptable_init(void); 427 428 /* common/kallsysm.c */ 429 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 430 431 /* common/memsize.c */ 432 long get_ram_size (long *, long); 433 phys_size_t get_effective_memsize(void); 434 435 /* $(BOARD)/$(BOARD).c */ 436 void reset_phy (void); 437 void fdc_hw_init (void); 438 439 /* $(BOARD)/eeprom.c */ 440 #ifdef CONFIG_CMD_EEPROM 441 void eeprom_init (int bus); 442 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 443 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 444 #else 445 /* 446 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 447 * some macros here so we don't have to touch every one of those uses 448 */ 449 #define eeprom_init(bus) 450 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 451 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 452 #endif 453 454 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) 455 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 456 #endif 457 458 #if defined(CONFIG_MPC8XX_SPI) 459 extern void spi_init_f (void); 460 extern void spi_init_r (void); 461 extern ssize_t spi_read (uchar *, int, uchar *, int); 462 extern ssize_t spi_write (uchar *, int, uchar *, int); 463 #endif 464 465 /* $(BOARD)/$(BOARD).c */ 466 int board_early_init_f (void); 467 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 468 int board_late_init (void); 469 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 470 int board_early_init_r (void); 471 void board_poweroff (void); 472 void board_env_fixup(void); 473 474 #if defined(CONFIG_SYS_DRAM_TEST) 475 int testdram(void); 476 #endif /* CONFIG_SYS_DRAM_TEST */ 477 478 /* $(CPU)/start.S */ 479 int icache_status (void); 480 void icache_enable (void); 481 void icache_disable(void); 482 int dcache_status (void); 483 void dcache_enable (void); 484 void dcache_disable(void); 485 void mmu_disable(void); 486 #if defined(CONFIG_ARM) 487 void relocate_code(ulong); 488 #else 489 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 490 #endif 491 ulong get_endaddr (void); 492 void trap_init (ulong); 493 494 /* $(CPU)/cpu.c */ 495 static inline int cpumask_next(int cpu, unsigned int mask) 496 { 497 for (cpu++; !((1 << cpu) & mask); cpu++) 498 ; 499 500 return cpu; 501 } 502 503 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 504 for (iter = 0, cpu = cpumask_next(-1, mask); \ 505 iter < num_cpus; \ 506 iter++, cpu = cpumask_next(cpu, mask)) \ 507 508 int cpu_numcores (void); 509 int cpu_num_dspcores(void); 510 u32 cpu_mask (void); 511 u32 cpu_dsp_mask(void); 512 int is_core_valid (unsigned int); 513 514 /** 515 * arch_cpu_init() - basic cpu-dependent setup for an architecture 516 * 517 * This is called after early malloc is available. It should handle any 518 * CPU- or SoC- specific init needed to continue the init sequence. See 519 * board_f.c for where it is called. If this is not provided, a default 520 * version (which does nothing) will be used. 521 */ 522 int arch_cpu_init(void); 523 524 void s_init(void); 525 526 int checkcpu (void); 527 int checkicache (void); 528 int checkdcache (void); 529 void upmconfig (unsigned int, unsigned int *, unsigned int); 530 ulong get_tbclk (void); 531 void reset_misc (void); 532 void reset_cpu (ulong addr); 533 void ft_cpu_setup(void *blob, bd_t *bd); 534 void ft_pci_setup(void *blob, bd_t *bd); 535 536 void smp_set_core_boot_addr(unsigned long addr, int corenr); 537 void smp_kick_all_cpus(void); 538 539 /* $(CPU)/serial.c */ 540 int serial_init (void); 541 void serial_setbrg (void); 542 void serial_putc (const char); 543 void serial_clear (void); 544 void serial_putc_raw(const char); 545 void serial_puts (const char *); 546 int serial_getc (void); 547 int serial_tstc (void); 548 549 /* $(CPU)/speed.c */ 550 int get_clocks (void); 551 ulong get_bus_freq (ulong); 552 int get_serial_clock(void); 553 554 int cpu_init_r (void); 555 556 /* $(CPU)/interrupts.c */ 557 int interrupt_init (void); 558 void timer_interrupt (struct pt_regs *); 559 void external_interrupt (struct pt_regs *); 560 void irq_install_handler(int, interrupt_handler_t *, void *); 561 void irq_free_handler (int); 562 void reset_timer (void); 563 564 /* Return value of monotonic microsecond timer */ 565 unsigned long timer_get_us(void); 566 567 void enable_interrupts (void); 568 int disable_interrupts (void); 569 570 /* $(CPU)/.../commproc.c */ 571 int dpram_init (void); 572 uint dpram_base(void); 573 uint dpram_base_align(uint align); 574 uint dpram_alloc(uint size); 575 uint dpram_alloc_align(uint size,uint align); 576 void bootcount_store (ulong); 577 ulong bootcount_load (void); 578 #define BOOTCOUNT_MAGIC 0xB001C041 579 580 /* $(CPU)/.../<eth> */ 581 void mii_init (void); 582 583 /* $(CPU)/.../lcd.c */ 584 ulong lcd_setmem (ulong); 585 586 /* $(CPU)/.../video.c */ 587 ulong video_setmem (ulong); 588 589 /* arch/$(ARCH)/lib/cache.c */ 590 void enable_caches(void); 591 void flush_cache (unsigned long, unsigned long); 592 void flush_dcache_all(void); 593 void flush_dcache_range(unsigned long start, unsigned long stop); 594 void invalidate_dcache_range(unsigned long start, unsigned long stop); 595 void invalidate_dcache_all(void); 596 void invalidate_icache_all(void); 597 598 enum { 599 /* Disable caches (else flush caches but leave them active) */ 600 CBL_DISABLE_CACHES = 1 << 0, 601 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 602 603 CBL_ALL = 3, 604 }; 605 606 /** 607 * Clean up ready for linux 608 * 609 * @param flags Flags to control what is done 610 */ 611 int cleanup_before_linux_select(int flags); 612 613 /* arch/$(ARCH)/lib/ticks.S */ 614 uint64_t get_ticks(void); 615 void wait_ticks (unsigned long); 616 617 /* arch/$(ARCH)/lib/time.c */ 618 ulong usec2ticks (unsigned long usec); 619 ulong ticks2usec (unsigned long ticks); 620 621 /* lib/gunzip.c */ 622 int gzip_parse_header(const unsigned char *src, unsigned long len); 623 int gunzip(void *, int, unsigned char *, unsigned long *); 624 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 625 int stoponerr, int offset); 626 627 /** 628 * gzwrite progress indicators: defined weak to allow board-specific 629 * overrides: 630 * 631 * gzwrite_progress_init called on startup 632 * gzwrite_progress called during decompress/write loop 633 * gzwrite_progress_finish called at end of loop to 634 * indicate success (retcode=0) or failure 635 */ 636 void gzwrite_progress_init(u64 expected_size); 637 638 void gzwrite_progress(int iteration, 639 u64 bytes_written, 640 u64 total_bytes); 641 642 void gzwrite_progress_finish(int retcode, 643 u64 totalwritten, 644 u64 totalsize, 645 u32 expected_crc, 646 u32 calculated_crc); 647 648 /** 649 * decompress and write gzipped image from memory to block device 650 * 651 * @param src compressed image address 652 * @param len compressed image length in bytes 653 * @param dev block device descriptor 654 * @param szwritebuf bytes per write (pad to erase size) 655 * @param startoffs offset in bytes of first write 656 * @param szexpected expected uncompressed length 657 * may be zero to use gzip trailer 658 * for files under 4GiB 659 */ 660 int gzwrite(unsigned char *src, int len, 661 struct blk_desc *dev, 662 unsigned long szwritebuf, 663 u64 startoffs, 664 u64 szexpected); 665 666 /* lib/lz4_wrapper.c */ 667 bool lz4_is_valid_header(const unsigned char *h); 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