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 <asm/uspinlock.h>
34 #include <smp.h>
35 #include <stdarg.h>
36 #include <stdio.h>
37 #include <linux/kernel.h>
38
39 #include <part.h>
40 #include <flash.h>
41 #include <image.h>
42 #include <stacktrace.h>
43
44 /* Bring in printf format macros if inttypes.h is included */
45 #define __STDC_FORMAT_MACROS
46
47 #ifdef __LP64__
48 #define CONFIG_SYS_SUPPORT_64BIT_DATA
49 #endif
50
51 #include <log.h>
52
53 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
54 # undef static_assert
55 # define static_assert _Static_assert
56 #endif
57
58 #if !CONFIG_IS_ENABLED(IRQ)
59 typedef void (interrupt_handler_t)(void *);
60 #else
61 typedef void (interrupt_handler_t)(int, void *);
62 #endif
63
64 #include <asm/u-boot.h> /* boot information for Linux kernel */
65 #include <asm/global_data.h> /* global data used for startup functions */
66
67 #if defined(CONFIG_ENV_IS_EMBEDDED)
68 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
69 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
70 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
71 defined(CONFIG_ENV_IS_IN_NVRAM)
72 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
73 #else
74 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
75 #endif
76
77 /*
78 * Function Prototypes
79 */
80 int dram_init(void);
81
82 /**
83 * dram_init_banksize() - Set up DRAM bank sizes
84 *
85 * This can be implemented by boards to set up the DRAM bank information in
86 * gd->bd->bi_dram(). It is called just before relocation, after dram_init()
87 * is called.
88 *
89 * If this is not provided, a default implementation will try to set up a
90 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and
91 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of
92 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to
93 * get_effective_memsize().
94 *
95 * @return 0 if OK, -ve on error
96 */
97 int dram_init_banksize(void);
98
99 void hang (void) __attribute__ ((noreturn));
100
101 int timer_init(void);
102 int cpu_init(void);
103
104 #include <display_options.h>
105
106 /* common/main.c */
107 void main_loop (void);
108 void autoboot_command_fail_handle(void);
109 int run_command(const char *cmd, int flag);
110 int run_command_repeatable(const char *cmd, int flag);
111
112 /**
113 * Run a list of commands separated by ; or even \0
114 *
115 * Note that if 'len' is not -1, then the command does not need to be nul
116 * terminated, Memory will be allocated for the command in that case.
117 *
118 * @param cmd List of commands to run, each separated bu semicolon
119 * @param len Length of commands excluding terminator if known (-1 if not)
120 * @param flag Execution flags (CMD_FLAG_...)
121 * @return 0 on success, or != 0 on error.
122 */
123 int run_command_list(const char *cmd, int len, int flag);
124
125 /* arch/$(ARCH)/lib/board.c */
126 void board_init_f(ulong);
127 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
128
129 /**
130 * ulong board_init_f_alloc_reserve - allocate reserved area
131 *
132 * This function is called by each architecture very early in the start-up
133 * code to allow the C runtime to reserve space on the stack for writable
134 * 'globals' such as GD and the malloc arena.
135 *
136 * @top: top of the reserve area, growing down.
137 * @return: bottom of reserved area
138 */
139 ulong board_init_f_alloc_reserve(ulong top);
140
141 /**
142 * board_init_f_init_reserve - initialize the reserved area(s)
143 *
144 * This function is called once the C runtime has allocated the reserved
145 * area on the stack. It must initialize the GD at the base of that area.
146 *
147 * @base: top from which reservation was done
148 */
149 void board_init_f_init_reserve(ulong base);
150
151 /*
152 * Board-specific Platform code can init serial earlier if needed
153 */
154 __weak int board_init_f_boot_flags(void);
155
156 /**
157 * arch_setup_gd() - Set up the global_data pointer
158 *
159 * This pointer is special in some architectures and cannot easily be assigned
160 * to. For example on x86 it is implemented by adding a specific record to its
161 * Global Descriptor Table! So we we provide a function to carry out this task.
162 * For most architectures this can simply be:
163 *
164 * gd = gd_ptr;
165 *
166 * @gd_ptr: Pointer to global data
167 */
168 void arch_setup_gd(gd_t *gd_ptr);
169
170 int checkboard(void);
171 int show_board_info(void);
172 int checkflash(void);
173 int checkdram(void);
174 int last_stage_init(void);
175 extern ulong monitor_flash_len;
176 int mac_read_from_eeprom(void);
177 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
178 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
179 int set_cpu_clk_info(void);
180 int mdm_init(void);
181 int print_cpuinfo(void);
182 int update_flash_size(int flash_size);
183 int arch_early_init_r(void);
184
185 /*
186 * setup_board_extra() - Fill in extra details in the bd_t structure
187 *
188 * @return 0 if OK, -ve on error
189 */
190 int setup_board_extra(void);
191
192 /**
193 * arch_fsp_init() - perform firmware support package init
194 *
195 * Where U-Boot relies on binary blobs to handle part of the system init, this
196 * function can be used to set up the blobs. This is used on some Intel
197 * platforms.
198 */
199 int arch_fsp_init(void);
200
201 /**
202 * arch_cpu_init_dm() - init CPU after driver model is available
203 *
204 * This is called immediately after driver model is available before
205 * relocation. This is similar to arch_cpu_init() but is able to reference
206 * devices
207 *
208 * @return 0 if OK, -ve on error
209 */
210 int arch_cpu_init_dm(void);
211
212 /**
213 * Reserve all necessary stacks
214 *
215 * This is used in generic board init sequence in common/board_f.c. Each
216 * architecture could provide this function to tailor the required stacks.
217 *
218 * On entry gd->start_addr_sp is pointing to the suggested top of the stack.
219 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures
220 * require only this can leave it untouched.
221 *
222 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective
223 * positions of the stack. The stack pointer(s) will be set to this later.
224 * gd->irq_sp is only required, if the architecture needs it.
225 *
226 * @return 0 if no error
227 */
228 __weak int arch_reserve_stacks(void);
229
230 /**
231 * Show the DRAM size in a board-specific way
232 *
233 * This is used by boards to display DRAM information in their own way.
234 *
235 * @param size Size of DRAM (which should be displayed along with other info)
236 */
237 void board_show_dram(phys_size_t size);
238
239 /**
240 * arch_fixup_fdt() - Write arch-specific information to fdt
241 *
242 * Defined in arch/$(ARCH)/lib/bootm-fdt.c
243 *
244 * @blob: FDT blob to write to
245 * @return 0 if ok, or -ve FDT_ERR_... on failure
246 */
247 int arch_fixup_fdt(void *blob);
248
249 int reserve_mmu(void);
250 /* common/flash.c */
251 void flash_perror (int);
252
253 /* common/cmd_source.c */
254 int source (ulong addr, const char *fit_uname);
255
256 extern ulong load_addr; /* Default Load Address */
257 extern ulong save_addr; /* Default Save Address */
258 extern ulong save_size; /* Default Save Size */
259
260 /* common/cmd_net.c */
261 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
262
263 /* common/cmd_fat.c */
264 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
265
266 /* common/cmd_ext2.c */
267 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
268
269 /* common/cmd_nvedit.c */
270 int env_init (void);
271 void env_relocate (void);
272 int envmatch (uchar *, int);
273
274 /**
275 * env_get() - Look up the value of an environment variable
276 *
277 * In U-Boot proper this can be called before relocation (which is when the
278 * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that
279 * case this function calls env_get_f().
280 *
281 * @varname: Variable to look up
282 * @return value of variable, or NULL if not found
283 */
284 char *env_get(const char *varname);
285
286 /**
287 * env_get_f() - Look up the value of an environment variable (early)
288 *
289 * This function is called from env_get() if the environment has not been
290 * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will
291 * support reading the value (slowly) and some will not.
292 *
293 * @varname: Variable to look up
294 * @return value of variable, or NULL if not found
295 */
296 int env_get_f(const char *name, char *buf, unsigned len);
297
298 /**
299 * env_get_ulong() - Return an environment variable as an integer value
300 *
301 * Most U-Boot environment variables store hex values. For those which store
302 * (e.g.) base-10 integers, this function can be used to read the value.
303 *
304 * @name: Variable to look up
305 * @base: Base to use (e.g. 10 for base 10, 2 for binary)
306 * @default_val: Default value to return if no value is found
307 * @return the value found, or @default_val if none
308 */
309 ulong env_get_ulong(const char *name, int base, ulong default_val);
310
311 /**
312 * env_get_hex() - Return an environment variable as a hex value
313 *
314 * Decode an environment as a hex number (it may or may not have a 0x
315 * prefix). If the environment variable cannot be found, or does not start
316 * with hex digits, the default value is returned.
317 *
318 * @varname: Variable to decode
319 * @default_val: Value to return on error
320 */
321 ulong env_get_hex(const char *varname, ulong default_val);
322
323 /*
324 * Read an environment variable as a boolean
325 * Return -1 if variable does not exist (default to true)
326 */
327 int env_get_yesno(const char *var);
328
329 /**
330 * env_set() - set an environment variable
331 *
332 * This sets or deletes the value of an environment variable. For setting the
333 * value the variable is created if it does not already exist.
334 *
335 * @varname: Variable to adjust
336 * @value: Value to set for the variable, or NULL or "" to delete the variable
337 * @return 0 if OK, 1 on error
338 */
339 int env_set(const char *varname, const char *value);
340
341 /**
342 * env_update() - update sub value of an environment variable
343 *
344 * This add/append/replace the sub value of an environment variable.
345 *
346 * @varname: Variable to adjust
347 * @valude: Value to append/replace
348 * @ignore: Value to be ignore if in varvalue
349 * @return 0 if OK, 1 on error
350 */
351 int env_update_filter(const char *varname, const char *varvalue,
352 const char *ignore);
353
354 /**
355 * env_update_extract_subset() - extract subset value from an environment variable
356 *
357 * This extract subset value from an environment variable
358 *
359 * @varname: Parent Variable where to extract subset value, the subset value
360 * will be removed from it.
361 * @subset_varname: Variable to save subset value
362 * @subset_key: Key value to find out subset value
363 * @return 0 if OK, 1 on error
364 */
365 int env_update_extract_subset(const char *varname,
366 const char *subset_varname,
367 const char *subset_key);
368 /**
369 * env_update() - update sub value of an environment variable
370 *
371 * This add/append/replace the sub value of an environment variable.
372 *
373 * @varname: Variable to adjust
374 * @valude: Value to append/replace
375 * @return 0 if OK, 1 on error
376 */
377 int env_update(const char *varname, const char *varvalue);
378
379 /**
380 * env_exist() - check sub value of an environment variable is exist or not
381 *
382 * @varname: Variable to look up
383 * @value: Value to check
384 * @return posItion of varvalue if exist, otherwise NULL
385 */
386 char *env_exist(const char *varname, const char *varvalue);
387
388 /**
389 * env_delete() - delete sub value of an environment variable
390 *
391 * @varname: Variable to look up
392 * @value: Item head of value to delete
393 * @complete_match: complete match whole words
394 * @return 0 if ok, 1 on error
395 */
396 int env_delete(const char *varname, const char *varvalue, int complete_match);
397
398 /**
399 * env_set_ulong() - set an environment variable to an integer
400 *
401 * @varname: Variable to adjust
402 * @value: Value to set for the variable (will be converted to a string)
403 * @return 0 if OK, 1 on error
404 */
405 int env_set_ulong(const char *varname, ulong value);
406
407 /**
408 * env_set_hex() - set an environment variable to a hex value
409 *
410 * @varname: Variable to adjust
411 * @value: Value to set for the variable (will be converted to a hex string)
412 * @return 0 if OK, 1 on error
413 */
414 int env_set_hex(const char *varname, ulong value);
415
416 /**
417 * env_set_addr - Set an environment variable to an address in hex
418 *
419 * @varname: Environment variable to set
420 * @addr: Value to set it to
421 * @return 0 if ok, 1 on error
422 */
env_set_addr(const char * varname,const void * addr)423 static inline int env_set_addr(const char *varname, const void *addr)
424 {
425 return env_set_hex(varname, (ulong)addr);
426 }
427
428 #ifdef CONFIG_AUTO_COMPLETE
429 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
430 #endif
431 int get_env_id (void);
432
433 void pci_init (void);
434 void pci_init_board(void);
435
436 #if defined(CONFIG_DTB_RESELECT)
437 int embedded_dtb_select(void);
438 #endif
439
440 int misc_init_f (void);
441 int misc_init_r (void);
442
443 /* common/exports.c */
444 void jumptable_init(void);
445
446 /* common/kallsysm.c */
447 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
448
449 /* common/memsize.c */
450 long get_ram_size (long *, long);
451 phys_size_t get_effective_memsize(void);
452
453 /* $(BOARD)/$(BOARD).c */
454 void reset_phy (void);
455 void fdc_hw_init (void);
456
457 /* $(BOARD)/eeprom.c */
458 #ifdef CONFIG_CMD_EEPROM
459 void eeprom_init (int bus);
460 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
461 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
462 #else
463 /*
464 * Some EEPROM code is depecated because it used the legacy I2C interface. Add
465 * some macros here so we don't have to touch every one of those uses
466 */
467 #define eeprom_init(bus)
468 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
469 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
470 #endif
471
472 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
473 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
474 #endif
475
476 #if defined(CONFIG_MPC8XX_SPI)
477 extern void spi_init_f (void);
478 extern void spi_init_r (void);
479 extern ssize_t spi_read (uchar *, int, uchar *, int);
480 extern ssize_t spi_write (uchar *, int, uchar *, int);
481 #endif
482
483 /* $(BOARD)/$(BOARD).c */
484 int board_early_init_f (void);
485 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
486 int board_late_init (void);
487 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
488 int board_early_init_r (void);
489 void board_poweroff (void);
490 void board_env_fixup(void);
491
492 #if defined(CONFIG_SYS_DRAM_TEST)
493 int testdram(void);
494 #endif /* CONFIG_SYS_DRAM_TEST */
495
496 /* $(CPU)/start.S */
497 int icache_status (void);
498 void icache_enable (void);
499 void icache_disable(void);
500 int dcache_status (void);
501 void dcache_enable (void);
502 void dcache_disable(void);
503 void mmu_disable(void);
504 #if defined(CONFIG_ARM)
505 void relocate_code(ulong);
506 #else
507 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
508 #endif
509 ulong get_endaddr (void);
510 void trap_init (ulong);
511
512 /* $(CPU)/cpu.c */
cpumask_next(int cpu,unsigned int mask)513 static inline int cpumask_next(int cpu, unsigned int mask)
514 {
515 for (cpu++; !((1 << cpu) & mask); cpu++)
516 ;
517
518 return cpu;
519 }
520
521 #define for_each_cpu(iter, cpu, num_cpus, mask) \
522 for (iter = 0, cpu = cpumask_next(-1, mask); \
523 iter < num_cpus; \
524 iter++, cpu = cpumask_next(cpu, mask)) \
525
526 int cpu_numcores (void);
527 int cpu_num_dspcores(void);
528 u32 cpu_mask (void);
529 u32 cpu_dsp_mask(void);
530 int is_core_valid (unsigned int);
531
532 /**
533 * arch_cpu_init() - basic cpu-dependent setup for an architecture
534 *
535 * This is called after early malloc is available. It should handle any
536 * CPU- or SoC- specific init needed to continue the init sequence. See
537 * board_f.c for where it is called. If this is not provided, a default
538 * version (which does nothing) will be used.
539 */
540 int arch_cpu_init(void);
541
542 void s_init(void);
543
544 int checkcpu (void);
545 int checkicache (void);
546 int checkdcache (void);
547 void upmconfig (unsigned int, unsigned int *, unsigned int);
548 ulong get_tbclk (void);
549 void reset_misc (void);
550 void reset_cpu (ulong addr);
551 void ft_cpu_setup(void *blob, bd_t *bd);
552 void ft_pci_setup(void *blob, bd_t *bd);
553
554 void smp_set_core_boot_addr(unsigned long addr, int corenr);
555 void smp_kick_all_cpus(void);
556
557 /* $(CPU)/serial.c */
558 int serial_init (void);
559 void serial_setbrg (void);
560 void serial_putc (const char);
561 void serial_clear (void);
562 void serial_putc_raw(const char);
563 void serial_puts (const char *);
564 int serial_getc (void);
565 int serial_tstc (void);
566
567 /* $(CPU)/speed.c */
568 int get_clocks (void);
569 ulong get_bus_freq (ulong);
570 int get_serial_clock(void);
571
572 int cpu_init_r (void);
573
574 /* $(CPU)/interrupts.c */
575 int interrupt_init (void);
576 void timer_interrupt (struct pt_regs *);
577 void external_interrupt (struct pt_regs *);
578 void irq_install_handler(int, interrupt_handler_t *, void *);
579 void irq_free_handler (int);
580 void reset_timer (void);
581
582 /* Return value of monotonic microsecond timer */
583 unsigned long timer_get_us(void);
584
585 void enable_interrupts (void);
586 int disable_interrupts (void);
587
588 /* $(CPU)/.../commproc.c */
589 int dpram_init (void);
590 uint dpram_base(void);
591 uint dpram_base_align(uint align);
592 uint dpram_alloc(uint size);
593 uint dpram_alloc_align(uint size,uint align);
594 void bootcount_store (ulong);
595 ulong bootcount_load (void);
596 #define BOOTCOUNT_MAGIC 0xB001C041
597
598 /* $(CPU)/.../<eth> */
599 void mii_init (void);
600
601 /* $(CPU)/.../lcd.c */
602 ulong lcd_setmem (ulong);
603
604 /* $(CPU)/.../video.c */
605 ulong video_setmem (ulong);
606
607 /* arch/$(ARCH)/lib/cache.c */
608 void enable_caches(void);
609 void flush_cache (unsigned long, unsigned long);
610 void flush_dcache_all(void);
611 void flush_dcache_range(unsigned long start, unsigned long stop);
612 void invalidate_dcache_range(unsigned long start, unsigned long stop);
613 void invalidate_dcache_all(void);
614 void invalidate_icache_all(void);
615
616 enum {
617 /* Disable caches (else flush caches but leave them active) */
618 CBL_DISABLE_CACHES = 1 << 0,
619 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1,
620
621 CBL_ALL = 3,
622 };
623
624 /**
625 * Clean up ready for linux
626 *
627 * @param flags Flags to control what is done
628 */
629 int cleanup_before_linux_select(int flags);
630
631 /* arch/$(ARCH)/lib/ticks.S */
632 uint64_t get_ticks(void);
633 void wait_ticks (unsigned long);
634
635 /* arch/$(ARCH)/lib/time.c */
636 ulong usec2ticks (unsigned long usec);
637 ulong ticks2usec (unsigned long ticks);
638
639 /* lib/gunzip.c */
640 int gzip_parse_header(const unsigned char *src, unsigned long len);
641 int gunzip(void *, int, unsigned char *, unsigned long *);
642 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
643 int stoponerr, int offset);
644
645 /**
646 * gzwrite progress indicators: defined weak to allow board-specific
647 * overrides:
648 *
649 * gzwrite_progress_init called on startup
650 * gzwrite_progress called during decompress/write loop
651 * gzwrite_progress_finish called at end of loop to
652 * indicate success (retcode=0) or failure
653 */
654 void gzwrite_progress_init(u64 expected_size);
655
656 void gzwrite_progress(int iteration,
657 u64 bytes_written,
658 u64 total_bytes);
659
660 void gzwrite_progress_finish(int retcode,
661 u64 totalwritten,
662 u64 totalsize,
663 u32 expected_crc,
664 u32 calculated_crc);
665
666 /**
667 * decompress and write gzipped image from memory to block device
668 *
669 * @param src compressed image address
670 * @param len compressed image length in bytes
671 * @param dev block device descriptor
672 * @param szwritebuf bytes per write (pad to erase size)
673 * @param startoffs offset in bytes of first write
674 * @param szexpected expected uncompressed length
675 * may be zero to use gzip trailer
676 * for files under 4GiB
677 */
678 int gzwrite(unsigned char *src, int len,
679 struct blk_desc *dev,
680 unsigned long szwritebuf,
681 u64 startoffs,
682 u64 szexpected);
683
684 #include <u-boot/lz4.h>
685
686 /* lib/qsort.c */
687 void qsort(void *base, size_t nmemb, size_t size,
688 int(*compar)(const void *, const void *));
689 int strcmp_compar(const void *, const void *);
690
691 /* lib/uuid.c */
692 #include <uuid.h>
693
694 /* lib/vsprintf.c */
695 #include <vsprintf.h>
696
697 /* lib/strmhz.c */
698 char * strmhz(char *buf, unsigned long hz);
699
700 /* lib/crc32.c */
701 #include <u-boot/crc.h>
702
703 /* lib/rand.c */
704 #define RAND_MAX -1U
705 void srand(unsigned int seed);
706 unsigned int rand(void);
707 unsigned int rand_r(unsigned int *seedp);
708
709 /*
710 * STDIO based functions (can always be used)
711 */
712 /* serial stuff */
713 int serial_printf (const char *fmt, ...)
714 __attribute__ ((format (__printf__, 1, 2)));
715
716 /* lib/gzip.c */
717 int gzip(void *dst, unsigned long *lenp,
718 unsigned char *src, unsigned long srclen);
719 int zzip(void *dst, unsigned long *lenp, unsigned char *src,
720 unsigned long srclen, int stoponerr,
721 int (*func)(unsigned long, unsigned long));
722
723 /* lib/net_utils.c */
724 #include <net.h>
env_get_ip(char * var)725 static inline struct in_addr env_get_ip(char *var)
726 {
727 return string_to_ip(env_get(var));
728 }
729
730 int pcmcia_init (void);
731
732 #ifdef CONFIG_LED_STATUS
733 # include <status_led.h>
734 #endif
735
736 #include <bootstage.h>
737
738 #ifdef CONFIG_SHOW_ACTIVITY
739 void show_activity(int arg);
740 #endif
741
742 /* Multicore arch functions */
743 #ifdef CONFIG_MP
744 int cpu_status(int nr);
745 int cpu_reset(int nr);
746 int cpu_disable(int nr);
747 int cpu_release(int nr, int argc, char * const argv[]);
748 #endif
749
750 #else /* __ASSEMBLY__ */
751
752 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */
753 #define _AC(X, Y) X
754
755 #endif /* __ASSEMBLY__ */
756
757 /* Put only stuff here that the assembler can digest */
758
759 /* Declare an unsigned long constant digestable both by C and an assembler. */
760 #define UL(x) _AC(x, UL)
761
762 #ifdef CONFIG_POST
763 #define CONFIG_HAS_POST
764 #ifndef CONFIG_POST_ALT_LIST
765 #define CONFIG_POST_STD_LIST
766 #endif
767 #endif
768
769 #ifdef CONFIG_INIT_CRITICAL
770 #error CONFIG_INIT_CRITICAL is deprecated!
771 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
772 #endif
773
774 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1))
775
776 /*
777 * check_member() - Check the offset of a structure member
778 *
779 * @structure: Name of structure (e.g. global_data)
780 * @member: Name of member (e.g. baudrate)
781 * @offset: Expected offset in bytes
782 */
783 #define check_member(structure, member, offset) _Static_assert( \
784 offsetof(struct structure, member) == offset, \
785 "`struct " #structure "` offset for `" #member "` is not " #offset)
786
787 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
788 #ifdef CONFIG_EFI_STUB
789 #define ll_boot_init() false
790 #else
791 #define ll_boot_init() true
792 #endif
793
794 /* Pull in stuff for the build system */
795 #ifdef DO_DEPS_ONLY
796 # include <environment.h>
797 #endif
798
799 #endif /* __COMMON_H_ */
800