1 /*
2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #ifndef __COMMON_H_
9 #define __COMMON_H_ 1
10
11 #ifndef __ASSEMBLY__ /* put C only stuff in this section */
12
13 typedef unsigned char uchar;
14 typedef volatile unsigned long vu_long;
15 typedef volatile unsigned short vu_short;
16 typedef volatile unsigned char vu_char;
17
18 /* Allow sharing constants with type modifiers between C and assembly. */
19 #define _AC(X, Y) (X##Y)
20
21 #include <config.h>
22 #include <errno.h>
23 #include <time.h>
24 #include <asm-offsets.h>
25 #include <linux/bitops.h>
26 #include <linux/bug.h>
27 #include <linux/delay.h>
28 #include <linux/types.h>
29 #include <linux/printk.h>
30 #include <linux/string.h>
31 #include <linux/stringify.h>
32 #include <asm/ptrace.h>
33 #include <stdarg.h>
34 #include <stdio.h>
35 #include <linux/kernel.h>
36
37 #include <part.h>
38 #include <flash.h>
39 #include <image.h>
40 #include <stacktrace.h>
41
42 /* Bring in printf format macros if inttypes.h is included */
43 #define __STDC_FORMAT_MACROS
44
45 #ifdef __LP64__
46 #define CONFIG_SYS_SUPPORT_64BIT_DATA
47 #endif
48
49 #include <log.h>
50
51 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
52 # undef static_assert
53 # define static_assert _Static_assert
54 #endif
55
56 #if !CONFIG_IS_ENABLED(IRQ)
57 typedef void (interrupt_handler_t)(void *);
58 #else
59 typedef void (interrupt_handler_t)(int, void *);
60 #endif
61
62 #include <asm/u-boot.h> /* boot information for Linux kernel */
63 #include <asm/global_data.h> /* global data used for startup functions */
64
65 #if defined(CONFIG_ENV_IS_EMBEDDED)
66 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
67 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
68 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
69 defined(CONFIG_ENV_IS_IN_NVRAM)
70 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
71 #else
72 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
73 #endif
74
75 /*
76 * Function Prototypes
77 */
78 int dram_init(void);
79
80 /**
81 * dram_init_banksize() - Set up DRAM bank sizes
82 *
83 * This can be implemented by boards to set up the DRAM bank information in
84 * gd->bd->bi_dram(). It is called just before relocation, after dram_init()
85 * is called.
86 *
87 * If this is not provided, a default implementation will try to set up a
88 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and
89 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of
90 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to
91 * get_effective_memsize().
92 *
93 * @return 0 if OK, -ve on error
94 */
95 int dram_init_banksize(void);
96
97 void hang (void) __attribute__ ((noreturn));
98
99 int timer_init(void);
100 int cpu_init(void);
101
102 #include <display_options.h>
103
104 /* common/main.c */
105 void main_loop (void);
106 void autoboot_command_fail_handle(void);
107 int run_command(const char *cmd, int flag);
108 int run_command_repeatable(const char *cmd, int flag);
109
110 /**
111 * Run a list of commands separated by ; or even \0
112 *
113 * Note that if 'len' is not -1, then the command does not need to be nul
114 * terminated, Memory will be allocated for the command in that case.
115 *
116 * @param cmd List of commands to run, each separated bu semicolon
117 * @param len Length of commands excluding terminator if known (-1 if not)
118 * @param flag Execution flags (CMD_FLAG_...)
119 * @return 0 on success, or != 0 on error.
120 */
121 int run_command_list(const char *cmd, int len, int flag);
122
123 /* arch/$(ARCH)/lib/board.c */
124 void board_init_f(ulong);
125 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
126
127 /**
128 * ulong board_init_f_alloc_reserve - allocate reserved area
129 *
130 * This function is called by each architecture very early in the start-up
131 * code to allow the C runtime to reserve space on the stack for writable
132 * 'globals' such as GD and the malloc arena.
133 *
134 * @top: top of the reserve area, growing down.
135 * @return: bottom of reserved area
136 */
137 ulong board_init_f_alloc_reserve(ulong top);
138
139 /**
140 * board_init_f_init_reserve - initialize the reserved area(s)
141 *
142 * This function is called once the C runtime has allocated the reserved
143 * area on the stack. It must initialize the GD at the base of that area.
144 *
145 * @base: top from which reservation was done
146 */
147 void board_init_f_init_reserve(ulong base);
148
149 /*
150 * Board-specific Platform code can init serial earlier if needed
151 */
152 __weak int board_init_f_boot_flags(void);
153
154 /**
155 * arch_setup_gd() - Set up the global_data pointer
156 *
157 * This pointer is special in some architectures and cannot easily be assigned
158 * to. For example on x86 it is implemented by adding a specific record to its
159 * Global Descriptor Table! So we we provide a function to carry out this task.
160 * For most architectures this can simply be:
161 *
162 * gd = gd_ptr;
163 *
164 * @gd_ptr: Pointer to global data
165 */
166 void arch_setup_gd(gd_t *gd_ptr);
167
168 int checkboard(void);
169 int show_board_info(void);
170 int checkflash(void);
171 int checkdram(void);
172 int last_stage_init(void);
173 extern ulong monitor_flash_len;
174 int mac_read_from_eeprom(void);
175 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
176 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
177 int set_cpu_clk_info(void);
178 int mdm_init(void);
179 int print_cpuinfo(void);
180 int update_flash_size(int flash_size);
181 int arch_early_init_r(void);
182
183 /*
184 * setup_board_extra() - Fill in extra details in the bd_t structure
185 *
186 * @return 0 if OK, -ve on error
187 */
188 int setup_board_extra(void);
189
190 /**
191 * arch_fsp_init() - perform firmware support package init
192 *
193 * Where U-Boot relies on binary blobs to handle part of the system init, this
194 * function can be used to set up the blobs. This is used on some Intel
195 * platforms.
196 */
197 int arch_fsp_init(void);
198
199 /**
200 * arch_cpu_init_dm() - init CPU after driver model is available
201 *
202 * This is called immediately after driver model is available before
203 * relocation. This is similar to arch_cpu_init() but is able to reference
204 * devices
205 *
206 * @return 0 if OK, -ve on error
207 */
208 int arch_cpu_init_dm(void);
209
210 /**
211 * Reserve all necessary stacks
212 *
213 * This is used in generic board init sequence in common/board_f.c. Each
214 * architecture could provide this function to tailor the required stacks.
215 *
216 * On entry gd->start_addr_sp is pointing to the suggested top of the stack.
217 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures
218 * require only this can leave it untouched.
219 *
220 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective
221 * positions of the stack. The stack pointer(s) will be set to this later.
222 * gd->irq_sp is only required, if the architecture needs it.
223 *
224 * @return 0 if no error
225 */
226 __weak int arch_reserve_stacks(void);
227
228 /**
229 * Show the DRAM size in a board-specific way
230 *
231 * This is used by boards to display DRAM information in their own way.
232 *
233 * @param size Size of DRAM (which should be displayed along with other info)
234 */
235 void board_show_dram(phys_size_t size);
236
237 /**
238 * arch_fixup_fdt() - Write arch-specific information to fdt
239 *
240 * Defined in arch/$(ARCH)/lib/bootm-fdt.c
241 *
242 * @blob: FDT blob to write to
243 * @return 0 if ok, or -ve FDT_ERR_... on failure
244 */
245 int arch_fixup_fdt(void *blob);
246
247 int reserve_mmu(void);
248 /* common/flash.c */
249 void flash_perror (int);
250
251 /* common/cmd_source.c */
252 int source (ulong addr, const char *fit_uname);
253
254 extern ulong load_addr; /* Default Load Address */
255 extern ulong save_addr; /* Default Save Address */
256 extern ulong save_size; /* Default Save Size */
257
258 /* common/cmd_net.c */
259 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
260
261 /* common/cmd_fat.c */
262 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
263
264 /* common/cmd_ext2.c */
265 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
266
267 /* common/cmd_nvedit.c */
268 int env_init (void);
269 void env_relocate (void);
270 int envmatch (uchar *, int);
271
272 /**
273 * env_get() - Look up the value of an environment variable
274 *
275 * In U-Boot proper this can be called before relocation (which is when the
276 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that
277 * case this function calls env_get_f().
278 *
279 * @varname: Variable to look up
280 * @return value of variable, or NULL if not found
281 */
282 char *env_get(const char *varname);
283
284 /**
285 * env_get_f() - Look up the value of an environment variable (early)
286 *
287 * This function is called from env_get() if the environment has not been
288 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will
289 * support reading the value (slowly) and some will not.
290 *
291 * @varname: Variable to look up
292 * @return value of variable, or NULL if not found
293 */
294 int env_get_f(const char *name, char *buf, unsigned len);
295
296 /**
297 * env_get_ulong() - Return an environment variable as an integer value
298 *
299 * Most U-Boot environment variables store hex values. For those which store
300 * (e.g.) base-10 integers, this function can be used to read the value.
301 *
302 * @name: Variable to look up
303 * @base: Base to use (e.g. 10 for base 10, 2 for binary)
304 * @default_val: Default value to return if no value is found
305 * @return the value found, or @default_val if none
306 */
307 ulong env_get_ulong(const char *name, int base, ulong default_val);
308
309 /**
310 * env_get_hex() - Return an environment variable as a hex value
311 *
312 * Decode an environment as a hex number (it may or may not have a 0x
313 * prefix). If the environment variable cannot be found, or does not start
314 * with hex digits, the default value is returned.
315 *
316 * @varname: Variable to decode
317 * @default_val: Value to return on error
318 */
319 ulong env_get_hex(const char *varname, ulong default_val);
320
321 /*
322 * Read an environment variable as a boolean
323 * Return -1 if variable does not exist (default to true)
324 */
325 int env_get_yesno(const char *var);
326
327 /**
328 * env_set() - set an environment variable
329 *
330 * This sets or deletes the value of an environment variable. For setting the
331 * value the variable is created if it does not already exist.
332 *
333 * @varname: Variable to adjust
334 * @value: Value to set for the variable, or NULL or "" to delete the variable
335 * @return 0 if OK, 1 on error
336 */
337 int env_set(const char *varname, const char *value);
338
339 /**
340 * env_update() - update sub value of an environment variable
341 *
342 * This add/append/replace the sub value of an environment variable.
343 *
344 * @varname: Variable to adjust
345 * @valude: Value to append/replace
346 * @ignore: Value to be ignore if in varvalue
347 * @return 0 if OK, 1 on error
348 */
349 int env_update_filter(const char *varname, const char *varvalue,
350 const char *ignore);
351
352 /**
353 * env_update_extract_subset() - extract subset value from an environment variable
354 *
355 * This extract subset value from an environment variable
356 *
357 * @varname: Parent Variable where to extract subset value, the subset value
358 * will be removed from it.
359 * @subset_varname: Variable to save subset value
360 * @subset_key: Key value to find out subset value
361 * @return 0 if OK, 1 on error
362 */
363 int env_update_extract_subset(const char *varname,
364 const char *subset_varname,
365 const char *subset_key);
366 /**
367 * env_update() - update sub value of an environment variable
368 *
369 * This add/append/replace the sub value of an environment variable.
370 *
371 * @varname: Variable to adjust
372 * @valude: Value to append/replace
373 * @return 0 if OK, 1 on error
374 */
375 int env_update(const char *varname, const char *varvalue);
376
377 /**
378 * env_exist() - check sub value of an environment variable is exist or not
379 *
380 * @varname: Variable to look up
381 * @value: Value to check
382 * @return posItion of varvalue if exist, otherwise NULL
383 */
384 char *env_exist(const char *varname, const char *varvalue);
385
386 /**
387 * env_delete() - delete sub value of an environment variable
388 *
389 * @varname: Variable to look up
390 * @value: Item head of value to delete
391 * @complete_match: complete match whole words
392 * @return 0 if ok, 1 on error
393 */
394 int env_delete(const char *varname, const char *varvalue, int complete_match);
395
396 /**
397 * env_set_ulong() - set an environment variable to an integer
398 *
399 * @varname: Variable to adjust
400 * @value: Value to set for the variable (will be converted to a string)
401 * @return 0 if OK, 1 on error
402 */
403 int env_set_ulong(const char *varname, ulong value);
404
405 /**
406 * env_set_hex() - set an environment variable to a hex value
407 *
408 * @varname: Variable to adjust
409 * @value: Value to set for the variable (will be converted to a hex string)
410 * @return 0 if OK, 1 on error
411 */
412 int env_set_hex(const char *varname, ulong value);
413
414 /**
415 * env_set_addr - Set an environment variable to an address in hex
416 *
417 * @varname: Environment variable to set
418 * @addr: Value to set it to
419 * @return 0 if ok, 1 on error
420 */
env_set_addr(const char * varname,const void * addr)421 static inline int env_set_addr(const char *varname, const void *addr)
422 {
423 return env_set_hex(varname, (ulong)addr);
424 }
425
426 #ifdef CONFIG_AUTO_COMPLETE
427 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
428 #endif
429 int get_env_id (void);
430
431 void pci_init (void);
432 void pci_init_board(void);
433
434 #if defined(CONFIG_DTB_RESELECT)
435 int embedded_dtb_select(void);
436 #endif
437
438 int misc_init_f (void);
439 int misc_init_r (void);
440
441 /* common/exports.c */
442 void jumptable_init(void);
443
444 /* common/kallsysm.c */
445 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
446
447 /* common/memsize.c */
448 long get_ram_size (long *, long);
449 phys_size_t get_effective_memsize(void);
450
451 /* $(BOARD)/$(BOARD).c */
452 void reset_phy (void);
453 void fdc_hw_init (void);
454
455 /* $(BOARD)/eeprom.c */
456 #ifdef CONFIG_CMD_EEPROM
457 void eeprom_init (int bus);
458 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
459 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
460 #else
461 /*
462 * Some EEPROM code is depecated because it used the legacy I2C interface. Add
463 * some macros here so we don't have to touch every one of those uses
464 */
465 #define eeprom_init(bus)
466 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
467 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
468 #endif
469
470 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
471 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
472 #endif
473
474 #if defined(CONFIG_MPC8XX_SPI)
475 extern void spi_init_f (void);
476 extern void spi_init_r (void);
477 extern ssize_t spi_read (uchar *, int, uchar *, int);
478 extern ssize_t spi_write (uchar *, int, uchar *, int);
479 #endif
480
481 /* $(BOARD)/$(BOARD).c */
482 int board_early_init_f (void);
483 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
484 int board_late_init (void);
485 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
486 int board_early_init_r (void);
487 void board_poweroff (void);
488 void board_env_fixup(void);
489
490 #if defined(CONFIG_SYS_DRAM_TEST)
491 int testdram(void);
492 #endif /* CONFIG_SYS_DRAM_TEST */
493
494 /* $(CPU)/start.S */
495 int icache_status (void);
496 void icache_enable (void);
497 void icache_disable(void);
498 int dcache_status (void);
499 void dcache_enable (void);
500 void dcache_disable(void);
501 void mmu_disable(void);
502 #if defined(CONFIG_ARM)
503 void relocate_code(ulong);
504 #else
505 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
506 #endif
507 ulong get_endaddr (void);
508 void trap_init (ulong);
509
510 /* $(CPU)/cpu.c */
cpumask_next(int cpu,unsigned int mask)511 static inline int cpumask_next(int cpu, unsigned int mask)
512 {
513 for (cpu++; !((1 << cpu) & mask); cpu++)
514 ;
515
516 return cpu;
517 }
518
519 #define for_each_cpu(iter, cpu, num_cpus, mask) \
520 for (iter = 0, cpu = cpumask_next(-1, mask); \
521 iter < num_cpus; \
522 iter++, cpu = cpumask_next(cpu, mask)) \
523
524 int cpu_numcores (void);
525 int cpu_num_dspcores(void);
526 u32 cpu_mask (void);
527 u32 cpu_dsp_mask(void);
528 int is_core_valid (unsigned int);
529
530 /**
531 * arch_cpu_init() - basic cpu-dependent setup for an architecture
532 *
533 * This is called after early malloc is available. It should handle any
534 * CPU- or SoC- specific init needed to continue the init sequence. See
535 * board_f.c for where it is called. If this is not provided, a default
536 * version (which does nothing) will be used.
537 */
538 int arch_cpu_init(void);
539
540 void s_init(void);
541
542 int checkcpu (void);
543 int checkicache (void);
544 int checkdcache (void);
545 void upmconfig (unsigned int, unsigned int *, unsigned int);
546 ulong get_tbclk (void);
547 void reset_misc (void);
548 void reset_cpu (ulong addr);
549 void ft_cpu_setup(void *blob, bd_t *bd);
550 void ft_pci_setup(void *blob, bd_t *bd);
551
552 void smp_set_core_boot_addr(unsigned long addr, int corenr);
553 void smp_kick_all_cpus(void);
554
555 /* $(CPU)/serial.c */
556 int serial_init (void);
557 void serial_setbrg (void);
558 void serial_putc (const char);
559 void serial_clear (void);
560 void serial_putc_raw(const char);
561 void serial_puts (const char *);
562 int serial_getc (void);
563 int serial_tstc (void);
564
565 /* $(CPU)/speed.c */
566 int get_clocks (void);
567 ulong get_bus_freq (ulong);
568 int get_serial_clock(void);
569
570 int cpu_init_r (void);
571
572 /* $(CPU)/interrupts.c */
573 int interrupt_init (void);
574 void timer_interrupt (struct pt_regs *);
575 void external_interrupt (struct pt_regs *);
576 void irq_install_handler(int, interrupt_handler_t *, void *);
577 void irq_free_handler (int);
578 void reset_timer (void);
579
580 /* Return value of monotonic microsecond timer */
581 unsigned long timer_get_us(void);
582
583 void enable_interrupts (void);
584 int disable_interrupts (void);
585
586 /* $(CPU)/.../commproc.c */
587 int dpram_init (void);
588 uint dpram_base(void);
589 uint dpram_base_align(uint align);
590 uint dpram_alloc(uint size);
591 uint dpram_alloc_align(uint size,uint align);
592 void bootcount_store (ulong);
593 ulong bootcount_load (void);
594 #define BOOTCOUNT_MAGIC 0xB001C041
595
596 /* $(CPU)/.../<eth> */
597 void mii_init (void);
598
599 /* $(CPU)/.../lcd.c */
600 ulong lcd_setmem (ulong);
601
602 /* $(CPU)/.../video.c */
603 ulong video_setmem (ulong);
604
605 /* arch/$(ARCH)/lib/cache.c */
606 void enable_caches(void);
607 void flush_cache (unsigned long, unsigned long);
608 void flush_dcache_all(void);
609 void flush_dcache_range(unsigned long start, unsigned long stop);
610 void invalidate_dcache_range(unsigned long start, unsigned long stop);
611 void invalidate_dcache_all(void);
612 void invalidate_icache_all(void);
613
614 enum {
615 /* Disable caches (else flush caches but leave them active) */
616 CBL_DISABLE_CACHES = 1 << 0,
617 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1,
618
619 CBL_ALL = 3,
620 };
621
622 /**
623 * Clean up ready for linux
624 *
625 * @param flags Flags to control what is done
626 */
627 int cleanup_before_linux_select(int flags);
628
629 /* arch/$(ARCH)/lib/ticks.S */
630 uint64_t get_ticks(void);
631 void wait_ticks (unsigned long);
632
633 /* arch/$(ARCH)/lib/time.c */
634 ulong usec2ticks (unsigned long usec);
635 ulong ticks2usec (unsigned long ticks);
636
637 /* lib/gunzip.c */
638 int gzip_parse_header(const unsigned char *src, unsigned long len);
639 int gunzip(void *, int, unsigned char *, unsigned long *);
640 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
641 int stoponerr, int offset);
642
643 /**
644 * gzwrite progress indicators: defined weak to allow board-specific
645 * overrides:
646 *
647 * gzwrite_progress_init called on startup
648 * gzwrite_progress called during decompress/write loop
649 * gzwrite_progress_finish called at end of loop to
650 * indicate success (retcode=0) or failure
651 */
652 void gzwrite_progress_init(u64 expected_size);
653
654 void gzwrite_progress(int iteration,
655 u64 bytes_written,
656 u64 total_bytes);
657
658 void gzwrite_progress_finish(int retcode,
659 u64 totalwritten,
660 u64 totalsize,
661 u32 expected_crc,
662 u32 calculated_crc);
663
664 /**
665 * decompress and write gzipped image from memory to block device
666 *
667 * @param src compressed image address
668 * @param len compressed image length in bytes
669 * @param dev block device descriptor
670 * @param szwritebuf bytes per write (pad to erase size)
671 * @param startoffs offset in bytes of first write
672 * @param szexpected expected uncompressed length
673 * may be zero to use gzip trailer
674 * for files under 4GiB
675 */
676 int gzwrite(unsigned char *src, int len,
677 struct blk_desc *dev,
678 unsigned long szwritebuf,
679 u64 startoffs,
680 u64 szexpected);
681
682 #include <u-boot/lz4.h>
683
684 /* lib/qsort.c */
685 void qsort(void *base, size_t nmemb, size_t size,
686 int(*compar)(const void *, const void *));
687 int strcmp_compar(const void *, const void *);
688
689 /* lib/uuid.c */
690 #include <uuid.h>
691
692 /* lib/vsprintf.c */
693 #include <vsprintf.h>
694
695 /* lib/strmhz.c */
696 char * strmhz(char *buf, unsigned long hz);
697
698 /* lib/crc32.c */
699 #include <u-boot/crc.h>
700
701 /* lib/rand.c */
702 #define RAND_MAX -1U
703 void srand(unsigned int seed);
704 unsigned int rand(void);
705 unsigned int rand_r(unsigned int *seedp);
706
707 /*
708 * STDIO based functions (can always be used)
709 */
710 /* serial stuff */
711 int serial_printf (const char *fmt, ...)
712 __attribute__ ((format (__printf__, 1, 2)));
713
714 /* lib/gzip.c */
715 int gzip(void *dst, unsigned long *lenp,
716 unsigned char *src, unsigned long srclen);
717 int zzip(void *dst, unsigned long *lenp, unsigned char *src,
718 unsigned long srclen, int stoponerr,
719 int (*func)(unsigned long, unsigned long));
720
721 /* lib/net_utils.c */
722 #include <net.h>
env_get_ip(char * var)723 static inline struct in_addr env_get_ip(char *var)
724 {
725 return string_to_ip(env_get(var));
726 }
727
728 int pcmcia_init (void);
729
730 #ifdef CONFIG_LED_STATUS
731 # include <status_led.h>
732 #endif
733
734 #include <bootstage.h>
735
736 #ifdef CONFIG_SHOW_ACTIVITY
737 void show_activity(int arg);
738 #endif
739
740 /* Multicore arch functions */
741 #ifdef CONFIG_MP
742 int cpu_status(int nr);
743 int cpu_reset(int nr);
744 int cpu_disable(int nr);
745 int cpu_release(int nr, int argc, char * const argv[]);
746 #endif
747
748 #else /* __ASSEMBLY__ */
749
750 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */
751 #define _AC(X, Y) X
752
753 #endif /* __ASSEMBLY__ */
754
755 /* Put only stuff here that the assembler can digest */
756
757 /* Declare an unsigned long constant digestable both by C and an assembler. */
758 #define UL(x) _AC(x, UL)
759
760 #ifdef CONFIG_POST
761 #define CONFIG_HAS_POST
762 #ifndef CONFIG_POST_ALT_LIST
763 #define CONFIG_POST_STD_LIST
764 #endif
765 #endif
766
767 #ifdef CONFIG_INIT_CRITICAL
768 #error CONFIG_INIT_CRITICAL is deprecated!
769 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
770 #endif
771
772 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1))
773
774 /*
775 * check_member() - Check the offset of a structure member
776 *
777 * @structure: Name of structure (e.g. global_data)
778 * @member: Name of member (e.g. baudrate)
779 * @offset: Expected offset in bytes
780 */
781 #define check_member(structure, member, offset) _Static_assert( \
782 offsetof(struct structure, member) == offset, \
783 "`struct " #structure "` offset for `" #member "` is not " #offset)
784
785 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
786 #ifdef CONFIG_EFI_STUB
787 #define ll_boot_init() false
788 #else
789 #define ll_boot_init() true
790 #endif
791
792 /* Pull in stuff for the build system */
793 #ifdef DO_DEPS_ONLY
794 # include <environment.h>
795 #endif
796
797 #endif /* __COMMON_H_ */
798