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/delay.h>
  27 #include <linux/types.h>
  28 #include <linux/string.h>
  29 #include <linux/stringify.h>
  30 #include <asm/ptrace.h>
  31 #include <stdarg.h>
  32 #include <linux/kernel.h>
  33
  34 #ifdef CONFIG_FSL_LSCH3
  35 #include <asm/arch/immap_lsch3.h>
  36 #endif
  37 #ifdef CONFIG_FSL_LSCH2
  38 #include <asm/arch/immap_lsch2.h>
  39 #endif
  40
  41 #include <part.h>
  42 #include <flash.h>
  43 #include <image.h>
  44
  45 /* Bring in printf format macros if inttypes.h is included */
  46 #define __STDC_FORMAT_MACROS
  47
  48 #ifdef __LP64__
  49 #define CONFIG_SYS_SUPPORT_64BIT_DATA
  50 #endif
  51
  52 #ifdef DEBUG
  53 #define _DEBUG  1
  54 #else
  55 #define _DEBUG  0
  56 #endif
  57
  58 #ifdef CONFIG_SPL_BUILD
  59 #define _SPL_BUILD      1
  60 #else
  61 #define _SPL_BUILD      0
  62 #endif
  63
  64 /* Define this at the top of a file to add a prefix to debug messages */
  65 #ifndef pr_fmt
  66 #define pr_fmt(fmt) fmt
  67 #endif
  68
  69 /*
  70  * Output a debug text when condition "cond" is met. The "cond" should be
  71  * computed by a preprocessor in the best case, allowing for the best
  72  * optimization.
  73  */
  74 #define debug_cond(cond, fmt, args...)                  \
  75         do {                                            \
  76                 if (cond)                               \
  77                         printf(pr_fmt(fmt), ##args);    \
  78         } while (0)
  79
  80 /* Show a message if DEBUG is defined in a file */
  81 #define debug(fmt, args...)                     \
  82         debug_cond(_DEBUG, fmt, ##args)
  83
  84 /* Show a message if not in SPL */
  85 #define warn_non_spl(fmt, args...)                      \
  86         debug_cond(!_SPL_BUILD, fmt, ##args)
  87
  88 /*
  89  * An assertion is run-time check done in debug mode only. If DEBUG is not
  90  * defined then it is skipped. If DEBUG is defined and the assertion fails,
  91  * then it calls panic*( which may or may not reset/halt U-Boot (see
  92  * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found
  93  * before release, and after release it is hoped that they don't matter. But
  94  * in any case these failing assertions cannot be fixed with a reset (which
  95  * may just do the same assertion again).
  96  */
  97 void __assert_fail(const char *assertion, const char *file, unsigned line,
  98                    const char *function);
  99 #define assert(x) \
 100         ({ if (!(x) && _DEBUG) \
 101                 __assert_fail(#x, __FILE__, __LINE__, __func__); })
 102
 103 #define error(fmt, args...) do {                                        \
 104                 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n",       \
 105                         ##args, __FILE__, __LINE__, __func__);          \
 106 } while (0)
 107
 108 #ifndef BUG
 109 #define BUG() do { \
 110         printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
 111         panic("BUG!"); \
 112 } while (0)
 113 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
 114 #endif /* BUG */
 115
 116 typedef void (interrupt_handler_t)(void *);
 117
 118 #include <asm/u-boot.h> /* boot information for Linux kernel */
 119 #include <asm/global_data.h>    /* global data used for startup functions */
 120
 121 #if defined(CONFIG_ENV_IS_EMBEDDED)
 122 #define TOTAL_MALLOC_LEN        CONFIG_SYS_MALLOC_LEN
 123 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
 124         (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
 125       defined(CONFIG_ENV_IS_IN_NVRAM)
 126 #define TOTAL_MALLOC_LEN        (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
 127 #else
 128 #define TOTAL_MALLOC_LEN        CONFIG_SYS_MALLOC_LEN
 129 #endif
 130
 131 /*
 132  * Function Prototypes
 133  */
 134 int dram_init(void);
 135
 136 /**
 137  * dram_init_banksize() - Set up DRAM bank sizes
 138  *
 139  * This can be implemented by boards to set up the DRAM bank information in
 140  * gd->bd->bi_dram(). It is called just before relocation, after dram_init()
 141  * is called.
 142  *
 143  * If this is not provided, a default implementation will try to set up a
 144  * single bank. It will do this if CONFIG_NR_DRAM_BANKS and
 145  * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of
 146  * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to
 147  * get_effective_memsize().
 148  *
 149  * @return 0 if OK, -ve on error
 150  */
 151 int dram_init_banksize(void);
 152
 153 void    hang            (void) __attribute__ ((noreturn));
 154
 155 int     timer_init(void);
 156 int     cpu_init(void);
 157
 158 #include <display_options.h>
 159
 160 /* common/main.c */
 161 void    main_loop       (void);
 162 int run_command(const char *cmd, int flag);
 163 int run_command_repeatable(const char *cmd, int flag);
 164
 165 /**
 166  * Run a list of commands separated by ; or even \0
 167  *
 168  * Note that if 'len' is not -1, then the command does not need to be nul
 169  * terminated, Memory will be allocated for the command in that case.
 170  *
 171  * @param cmd   List of commands to run, each separated bu semicolon
 172  * @param len   Length of commands excluding terminator if known (-1 if not)
 173  * @param flag  Execution flags (CMD_FLAG_...)
 174  * @return 0 on success, or != 0 on error.
 175  */
 176 int run_command_list(const char *cmd, int len, int flag);
 177
 178 /* arch/$(ARCH)/lib/board.c */
 179 void board_init_f(ulong);
 180 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
 181
 182 /**
 183  * ulong board_init_f_alloc_reserve - allocate reserved area
 184  *
 185  * This function is called by each architecture very early in the start-up
 186  * code to allow the C runtime to reserve space on the stack for writable
 187  * 'globals' such as GD and the malloc arena.
 188  *
 189  * @top:        top of the reserve area, growing down.
 190  * @return:     bottom of reserved area
 191  */
 192 ulong board_init_f_alloc_reserve(ulong top);
 193
 194 /**
 195  * board_init_f_init_reserve - initialize the reserved area(s)
 196  *
 197  * This function is called once the C runtime has allocated the reserved
 198  * area on the stack. It must initialize the GD at the base of that area.
 199  *
 200  * @base:       top from which reservation was done
 201  */
 202 void board_init_f_init_reserve(ulong base);
 203
 204 /**
 205  * arch_setup_gd() - Set up the global_data pointer
 206  *
 207  * This pointer is special in some architectures and cannot easily be assigned
 208  * to. For example on x86 it is implemented by adding a specific record to its
 209  * Global Descriptor Table! So we we provide a function to carry out this task.
 210  * For most architectures this can simply be:
 211  *
 212  *    gd = gd_ptr;
 213  *
 214  * @gd_ptr:     Pointer to global data
 215  */
 216 void arch_setup_gd(gd_t *gd_ptr);
 217
 218 int checkboard(void);
 219 int show_board_info(void);
 220 int checkflash(void);
 221 int checkdram(void);
 222 int last_stage_init(void);
 223 extern ulong monitor_flash_len;
 224 int mac_read_from_eeprom(void);
 225 extern u8 __dtb_dt_begin[];     /* embedded device tree blob */
 226 int set_cpu_clk_info(void);
 227 int mdm_init(void);
 228 int print_cpuinfo(void);
 229 int update_flash_size(int flash_size);
 230 int arch_early_init_r(void);
 231
 232 /*
 233  * setup_board_extra() - Fill in extra details in the bd_t structure
 234  *
 235  * @return 0 if OK, -ve on error
 236  */
 237 int setup_board_extra(void);
 238
 239 /**
 240  * arch_fsp_init() - perform firmware support package init
 241  *
 242  * Where U-Boot relies on binary blobs to handle part of the system init, this
 243  * function can be used to set up the blobs. This is used on some Intel
 244  * platforms.
 245  */
 246 int arch_fsp_init(void);
 247
 248 /**
 249  * arch_cpu_init_dm() - init CPU after driver model is available
 250  *
 251  * This is called immediately after driver model is available before
 252  * relocation. This is similar to arch_cpu_init() but is able to reference
 253  * devices
 254  *
 255  * @return 0 if OK, -ve on error
 256  */
 257 int arch_cpu_init_dm(void);
 258
 259 /**
 260  * Reserve all necessary stacks
 261  *
 262  * This is used in generic board init sequence in common/board_f.c. Each
 263  * architecture could provide this function to tailor the required stacks.
 264  *
 265  * On entry gd->start_addr_sp is pointing to the suggested top of the stack.
 266  * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures
 267  * require only this can leave it untouched.
 268  *
 269  * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective
 270  * positions of the stack. The stack pointer(s) will be set to this later.
 271  * gd->irq_sp is only required, if the architecture needs it.
 272  *
 273  * @return 0 if no error
 274  */
 275 __weak int arch_reserve_stacks(void);
 276
 277 /**
 278  * Show the DRAM size in a board-specific way
 279  *
 280  * This is used by boards to display DRAM information in their own way.
 281  *
 282  * @param size  Size of DRAM (which should be displayed along with other info)
 283  */
 284 void board_show_dram(phys_size_t size);
 285
 286 /**
 287  * arch_fixup_fdt() - Write arch-specific information to fdt
 288  *
 289  * Defined in arch/$(ARCH)/lib/bootm-fdt.c
 290  *
 291  * @blob:       FDT blob to write to
 292  * @return 0 if ok, or -ve FDT_ERR_... on failure
 293  */
 294 int arch_fixup_fdt(void *blob);
 295
 296 /* common/flash.c */
 297 void flash_perror (int);
 298
 299 /* common/cmd_source.c */
 300 int     source (ulong addr, const char *fit_uname);
 301
 302 extern ulong load_addr;         /* Default Load Address */
 303 extern ulong save_addr;         /* Default Save Address */
 304 extern ulong save_size;         /* Default Save Size */
 305
 306 /* common/cmd_net.c */
 307 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 308
 309 /* common/cmd_fat.c */
 310 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
 311
 312 /* common/cmd_ext2.c */
 313 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
 314
 315 /* common/cmd_nvedit.c */
 316 int     env_init     (void);
 317 void    env_relocate (void);
 318 int     envmatch     (uchar *, int);
 319
 320 /* Avoid unfortunate conflict with libc's getenv() */
 321 #ifdef CONFIG_SANDBOX
 322 #define getenv uboot_getenv
 323 #endif
 324 char    *getenv      (const char *);
 325 int     getenv_f     (const char *name, char *buf, unsigned len);
 326 ulong getenv_ulong(const char *name, int base, ulong default_val);
 327
 328 /**
 329  * getenv_hex() - Return an environment variable as a hex value
 330  *
 331  * Decode an environment as a hex number (it may or may not have a 0x
 332  * prefix). If the environment variable cannot be found, or does not start
 333  * with hex digits, the default value is returned.
 334  *
 335  * @varname:            Variable to decode
 336  * @default_val:        Value to return on error
 337  */
 338 ulong getenv_hex(const char *varname, ulong default_val);
 339
 340 /*
 341  * Read an environment variable as a boolean
 342  * Return -1 if variable does not exist (default to true)
 343  */
 344 int getenv_yesno(const char *var);
 345 int     saveenv      (void);
 346 int     setenv       (const char *, const char *);
 347 int setenv_ulong(const char *varname, ulong value);
 348 int setenv_hex(const char *varname, ulong value);
 349 /**
 350  * setenv_addr - Set an environment variable to an address in hex
 351  *
 352  * @varname:    Environment variable to set
 353  * @addr:       Value to set it to
 354  * @return 0 if ok, 1 on error
 355  */
 356 static inline int setenv_addr(const char *varname, const void *addr)
 357 {
 358         return setenv_hex(varname, (ulong)addr);
 359 }
 360
 361 #ifdef CONFIG_AUTO_COMPLETE
 362 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
 363 #endif
 364 int get_env_id (void);
 365
 366 void    pci_init      (void);
 367 void    pci_init_board(void);
 368
 369 int     misc_init_f   (void);
 370 int     misc_init_r   (void);
 371
 372 /* common/exports.c */
 373 void    jumptable_init(void);
 374
 375 /* common/kallsysm.c */
 376 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
 377
 378 /* common/memsize.c */
 379 long    get_ram_size  (long *, long);
 380 phys_size_t get_effective_memsize(void);
 381
 382 /* $(BOARD)/$(BOARD).c */
 383 void    reset_phy     (void);
 384 void    fdc_hw_init   (void);
 385
 386 /* $(BOARD)/eeprom.c */
 387 #ifdef CONFIG_CMD_EEPROM
 388 void eeprom_init  (int bus);
 389 int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 390 int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 391 #else
 392 /*
 393  * Some EEPROM code is depecated because it used the legacy I2C interface. Add
 394  * some macros here so we don't have to touch every one of those uses
 395  */
 396 #define eeprom_init(bus)
 397 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
 398 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
 399 #endif
 400
 401 /*
 402  * Set this up regardless of board
 403  * type, to prevent errors.
 404  */
 405 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR)
 406 # define CONFIG_SYS_DEF_EEPROM_ADDR 0
 407 #else
 408 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
 409 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
 410 #endif
 411 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */
 412
 413 #if defined(CONFIG_SPI)
 414 extern void spi_init_f (void);
 415 extern void spi_init_r (void);
 416 extern ssize_t spi_read  (uchar *, int, uchar *, int);
 417 extern ssize_t spi_write (uchar *, int, uchar *, int);
 418 #endif
 419
 420 /* $(BOARD)/$(BOARD).c */
 421 int board_early_init_f (void);
 422 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
 423 int board_late_init (void);
 424 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
 425 int board_early_init_r (void);
 426 void board_poweroff (void);
 427
 428 #if defined(CONFIG_SYS_DRAM_TEST)
 429 int testdram(void);
 430 #endif /* CONFIG_SYS_DRAM_TEST */
 431
 432 /* $(CPU)/start.S */
 433 int     icache_status (void);
 434 void    icache_enable (void);
 435 void    icache_disable(void);
 436 int     dcache_status (void);
 437 void    dcache_enable (void);
 438 void    dcache_disable(void);
 439 void    mmu_disable(void);
 440 #if defined(CONFIG_ARM)
 441 void    relocate_code(ulong);
 442 #else
 443 void    relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
 444 #endif
 445 ulong   get_endaddr   (void);
 446 void    trap_init     (ulong);
 447
 448 #if defined (CONFIG_MICROBLAZE)
 449 unsigned short  in16(unsigned int);
 450 void            out16(unsigned int, unsigned short value);
 451 #endif
 452
 453 /* $(CPU)/cpu.c */
 454 static inline int cpumask_next(int cpu, unsigned int mask)
 455 {
 456         for (cpu++; !((1 << cpu) & mask); cpu++)
 457                 ;
 458
 459         return cpu;
 460 }
 461
 462 #define for_each_cpu(iter, cpu, num_cpus, mask) \
 463         for (iter = 0, cpu = cpumask_next(-1, mask); \
 464                 iter < num_cpus; \
 465                 iter++, cpu = cpumask_next(cpu, mask)) \
 466
 467 int     cpu_numcores  (void);
 468 int     cpu_num_dspcores(void);
 469 u32     cpu_mask      (void);
 470 u32     cpu_dsp_mask(void);
 471 int     is_core_valid (unsigned int);
 472
 473 /**
 474  * arch_cpu_init() - basic cpu-dependent setup for an architecture
 475  *
 476  * This is called after early malloc is available. It should handle any
 477  * CPU- or SoC- specific init needed to continue the init sequence. See
 478  * board_f.c for where it is called. If this is not provided, a default
 479  * version (which does nothing) will be used.
 480  */
 481 int arch_cpu_init(void);
 482
 483 int     checkcpu      (void);
 484 int     checkicache   (void);
 485 int     checkdcache   (void);
 486 void    upmconfig     (unsigned int, unsigned int *, unsigned int);
 487 ulong   get_tbclk     (void);
 488 void    reset_misc    (void);
 489 void    reset_cpu     (ulong addr);
 490 void ft_cpu_setup(void *blob, bd_t *bd);
 491 void ft_pci_setup(void *blob, bd_t *bd);
 492
 493 void smp_set_core_boot_addr(unsigned long addr, int corenr);
 494 void smp_kick_all_cpus(void);
 495
 496 /* $(CPU)/serial.c */
 497 int     serial_init   (void);
 498 void    serial_setbrg (void);
 499 void    serial_putc   (const char);
 500 void    serial_putc_raw(const char);
 501 void    serial_puts   (const char *);
 502 int     serial_getc   (void);
 503 int     serial_tstc   (void);
 504
 505 /* These versions take a stdio_dev pointer */
 506 struct stdio_dev;
 507 int serial_stub_getc(struct stdio_dev *sdev);
 508 int serial_stub_tstc(struct stdio_dev *sdev);
 509
 510 /* $(CPU)/speed.c */
 511 int     get_clocks (void);
 512 ulong   get_bus_freq  (ulong);
 513 int get_serial_clock(void);
 514
 515 int     cpu_init_r    (void);
 516
 517 /* $(CPU)/interrupts.c */
 518 int     interrupt_init     (void);
 519 void    timer_interrupt    (struct pt_regs *);
 520 void    external_interrupt (struct pt_regs *);
 521 void    irq_install_handler(int, interrupt_handler_t *, void *);
 522 void    irq_free_handler   (int);
 523 void    reset_timer        (void);
 524
 525 /* Return value of monotonic microsecond timer */
 526 unsigned long timer_get_us(void);
 527
 528 void    enable_interrupts  (void);
 529 int     disable_interrupts (void);
 530
 531 /* $(CPU)/.../commproc.c */
 532 int     dpram_init (void);
 533 uint    dpram_base(void);
 534 uint    dpram_base_align(uint align);
 535 uint    dpram_alloc(uint size);
 536 uint    dpram_alloc_align(uint size,uint align);
 537 void    bootcount_store (ulong);
 538 ulong   bootcount_load (void);
 539 #define BOOTCOUNT_MAGIC         0xB001C041
 540
 541 /* $(CPU)/.../<eth> */
 542 void mii_init (void);
 543
 544 /* $(CPU)/.../lcd.c */
 545 ulong   lcd_setmem (ulong);
 546
 547 /* $(CPU)/.../video.c */
 548 ulong   video_setmem (ulong);
 549
 550 /* arch/$(ARCH)/lib/cache.c */
 551 void    enable_caches(void);
 552 void    flush_cache   (unsigned long, unsigned long);
 553 void    flush_dcache_all(void);
 554 void    flush_dcache_range(unsigned long start, unsigned long stop);
 555 void    invalidate_dcache_range(unsigned long start, unsigned long stop);
 556 void    invalidate_dcache_all(void);
 557 void    invalidate_icache_all(void);
 558
 559 enum {
 560         /* Disable caches (else flush caches but leave them active) */
 561         CBL_DISABLE_CACHES              = 1 << 0,
 562         CBL_SHOW_BOOTSTAGE_REPORT       = 1 << 1,
 563
 564         CBL_ALL                         = 3,
 565 };
 566
 567 /**
 568  * Clean up ready for linux
 569  *
 570  * @param flags         Flags to control what is done
 571  */
 572 int cleanup_before_linux_select(int flags);
 573
 574 /* arch/$(ARCH)/lib/ticks.S */
 575 uint64_t get_ticks(void);
 576 void    wait_ticks    (unsigned long);
 577
 578 /* arch/$(ARCH)/lib/time.c */
 579 ulong   usec2ticks    (unsigned long usec);
 580 ulong   ticks2usec    (unsigned long ticks);
 581
 582 /* lib/gunzip.c */
 583 int gunzip(void *, int, unsigned char *, unsigned long *);
 584 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
 585                                                 int stoponerr, int offset);
 586
 587 /**
 588  * gzwrite progress indicators: defined weak to allow board-specific
 589  * overrides:
 590  *
 591  *      gzwrite_progress_init called on startup
 592  *      gzwrite_progress called during decompress/write loop
 593  *      gzwrite_progress_finish called at end of loop to
 594  *              indicate success (retcode=0) or failure
 595  */
 596 void gzwrite_progress_init(u64 expected_size);
 597
 598 void gzwrite_progress(int iteration,
 599                      u64 bytes_written,
 600                      u64 total_bytes);
 601
 602 void gzwrite_progress_finish(int retcode,
 603                              u64 totalwritten,
 604                              u64 totalsize,
 605                              u32 expected_crc,
 606                              u32 calculated_crc);
 607
 608 /**
 609  * decompress and write gzipped image from memory to block device
 610  *
 611  * @param       src             compressed image address
 612  * @param       len             compressed image length in bytes
 613  * @param       dev             block device descriptor
 614  * @param       szwritebuf      bytes per write (pad to erase size)
 615  * @param       startoffs       offset in bytes of first write
 616  * @param       szexpected      expected uncompressed length
 617  *                              may be zero to use gzip trailer
 618  *                              for files under 4GiB
 619  */
 620 int gzwrite(unsigned char *src, int len,
 621             struct blk_desc *dev,
 622             unsigned long szwritebuf,
 623             u64 startoffs,
 624             u64 szexpected);
 625
 626 /* lib/lz4_wrapper.c */
 627 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
 628
 629 /* lib/qsort.c */
 630 void qsort(void *base, size_t nmemb, size_t size,
 631            int(*compar)(const void *, const void *));
 632 int strcmp_compar(const void *, const void *);
 633
 634 /* lib/uuid.c */
 635 #include <uuid.h>
 636
 637 /* lib/vsprintf.c */
 638 #include <vsprintf.h>
 639
 640 /* lib/strmhz.c */
 641 char *  strmhz(char *buf, unsigned long hz);
 642
 643 /* lib/crc32.c */
 644 #include <u-boot/crc.h>
 645
 646 /* lib/rand.c */
 647 #define RAND_MAX -1U
 648 void srand(unsigned int seed);
 649 unsigned int rand(void);
 650 unsigned int rand_r(unsigned int *seedp);
 651
 652 /*
 653  * STDIO based functions (can always be used)
 654  */
 655 /* serial stuff */
 656 int     serial_printf (const char *fmt, ...)
 657                 __attribute__ ((format (__printf__, 1, 2)));
 658 /* stdin */
 659 int     getc(void);
 660 int     tstc(void);
 661
 662 /* stdout */
 663 #if !defined(CONFIG_SPL_BUILD) || \
 664         (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \
 665         (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \
 666                 defined(CONFIG_SPL_SERIAL_SUPPORT))
 667 void    putc(const char c);
 668 void    puts(const char *s);
 669 int     printf(const char *fmt, ...)
 670                 __attribute__ ((format (__printf__, 1, 2)));
 671 int     vprintf(const char *fmt, va_list args);
 672 #else
 673 #define putc(...) do { } while (0)
 674 #define puts(...) do { } while (0)
 675 #define printf(...) do { } while (0)
 676 #define vprintf(...) do { } while (0)
 677 #endif
 678
 679 /* stderr */
 680 #define eputc(c)                fputc(stderr, c)
 681 #define eputs(s)                fputs(stderr, s)
 682 #define eprintf(fmt,args...)    fprintf(stderr,fmt ,##args)
 683
 684 /*
 685  * FILE based functions (can only be used AFTER relocation!)
 686  */
 687 #define stdin           0
 688 #define stdout          1
 689 #define stderr          2
 690 #define MAX_FILES       3
 691
 692 int     fprintf(int file, const char *fmt, ...)
 693                 __attribute__ ((format (__printf__, 2, 3)));
 694 void    fputs(int file, const char *s);
 695 void    fputc(int file, const char c);
 696 int     ftstc(int file);
 697 int     fgetc(int file);
 698
 699 /* lib/gzip.c */
 700 int gzip(void *dst, unsigned long *lenp,
 701                 unsigned char *src, unsigned long srclen);
 702 int zzip(void *dst, unsigned long *lenp, unsigned char *src,
 703                 unsigned long srclen, int stoponerr,
 704                 int (*func)(unsigned long, unsigned long));
 705
 706 /* lib/net_utils.c */
 707 #include <net.h>
 708 static inline struct in_addr getenv_ip(char *var)
 709 {
 710         return string_to_ip(getenv(var));
 711 }
 712
 713 int     pcmcia_init (void);
 714
 715 #ifdef CONFIG_LED_STATUS
 716 # include <status_led.h>
 717 #endif
 718
 719 #include <bootstage.h>
 720
 721 #ifdef CONFIG_SHOW_ACTIVITY
 722 void show_activity(int arg);
 723 #endif
 724
 725 /* Multicore arch functions */
 726 #ifdef CONFIG_MP
 727 int cpu_status(int nr);
 728 int cpu_reset(int nr);
 729 int cpu_disable(int nr);
 730 int cpu_release(int nr, int argc, char * const argv[]);
 731 #endif
 732
 733 #else   /* __ASSEMBLY__ */
 734
 735 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */
 736 #define _AC(X, Y)       X
 737
 738 #endif  /* __ASSEMBLY__ */
 739
 740 /* Put only stuff here that the assembler can digest */
 741
 742 /* Declare an unsigned long constant digestable both by C and an assembler. */
 743 #define UL(x)           _AC(x, UL)
 744
 745 #ifdef CONFIG_POST
 746 #define CONFIG_HAS_POST
 747 #ifndef CONFIG_POST_ALT_LIST
 748 #define CONFIG_POST_STD_LIST
 749 #endif
 750 #endif
 751
 752 #ifdef CONFIG_INIT_CRITICAL
 753 #error CONFIG_INIT_CRITICAL is deprecated!
 754 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
 755 #endif
 756
 757 #define ROUND(a,b)              (((a) + (b) - 1) & ~((b) - 1))
 758
 759 /*
 760  * check_member() - Check the offset of a structure member
 761  *
 762  * @structure:  Name of structure (e.g. global_data)
 763  * @member:     Name of member (e.g. baudrate)
 764  * @offset:     Expected offset in bytes
 765  */
 766 #define check_member(structure, member, offset) _Static_assert( \
 767         offsetof(struct structure, member) == offset, \
 768         "`struct " #structure "` offset for `" #member "` is not " #offset)
 769
 770 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
 771 #ifdef CONFIG_EFI_STUB
 772 #define ll_boot_init()  false
 773 #else
 774 #define ll_boot_init()  true
 775 #endif
 776
 777 /* Pull in stuff for the build system */
 778 #ifdef DO_DEPS_ONLY
 779 # include <environment.h>
 780 #endif
 781
 782 #endif  /* __COMMON_H_ */