include/common.h

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