summaryrefslogtreecommitdiff
path: root/include/common.h
blob: 1a98512ab618db28bbe67bac1c2794888203501d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
/*
 * (C) Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __COMMON_H_
#define __COMMON_H_	1

#ifndef __ASSEMBLY__		/* put C only stuff in this section */

typedef unsigned char		uchar;
typedef volatile unsigned long	vu_long;
typedef volatile unsigned short vu_short;
typedef volatile unsigned char	vu_char;

/* Allow sharing constants with type modifiers between C and assembly. */
#define _AC(X, Y)       (X##Y)

#include <config.h>
#include <errno.h>
#include <time.h>
#include <asm-offsets.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/stringify.h>
#include <asm/ptrace.h>
#include <stdarg.h>
#include <linux/kernel.h>

#include <part.h>
#include <flash.h>
#include <image.h>

/* Bring in printf format macros if inttypes.h is included */
#define __STDC_FORMAT_MACROS

#ifdef __LP64__
#define CONFIG_SYS_SUPPORT_64BIT_DATA
#endif

#ifdef DEBUG
#define _DEBUG	1
#else
#define _DEBUG	0
#endif

#ifdef CONFIG_SPL_BUILD
#define _SPL_BUILD	1
#else
#define _SPL_BUILD	0
#endif

/* Define this at the top of a file to add a prefix to debug messages */
#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif

/*
 * Output a debug text when condition "cond" is met. The "cond" should be
 * computed by a preprocessor in the best case, allowing for the best
 * optimization.
 */
#define debug_cond(cond, fmt, args...)			\
	do {						\
		if (cond)				\
			printf(pr_fmt(fmt), ##args);	\
	} while (0)

/* Show a message if DEBUG is defined in a file */
#define debug(fmt, args...)			\
	debug_cond(_DEBUG, fmt, ##args)

/* Show a message if not in SPL */
#define warn_non_spl(fmt, args...)			\
	debug_cond(!_SPL_BUILD, fmt, ##args)

/*
 * An assertion is run-time check done in debug mode only. If DEBUG is not
 * defined then it is skipped. If DEBUG is defined and the assertion fails,
 * then it calls panic*( which may or may not reset/halt U-Boot (see
 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found
 * before release, and after release it is hoped that they don't matter. But
 * in any case these failing assertions cannot be fixed with a reset (which
 * may just do the same assertion again).
 */
void __assert_fail(const char *assertion, const char *file, unsigned line,
		   const char *function);
#define assert(x) \
	({ if (!(x) && _DEBUG) \
		__assert_fail(#x, __FILE__, __LINE__, __func__); })

#define error(fmt, args...) do {					\
		printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n",	\
			##args, __FILE__, __LINE__, __func__);		\
} while (0)

#ifndef BUG
#define BUG() do { \
	printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
	panic("BUG!"); \
} while (0)
#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
#endif /* BUG */

typedef void (interrupt_handler_t)(void *);

#include <asm/u-boot.h> /* boot information for Linux kernel */
#include <asm/global_data.h>	/* global data used for startup functions */

#if defined(CONFIG_ENV_IS_EMBEDDED)
#define TOTAL_MALLOC_LEN	CONFIG_SYS_MALLOC_LEN
#elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
	(CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
      defined(CONFIG_ENV_IS_IN_NVRAM)
#define	TOTAL_MALLOC_LEN	(CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
#else
#define	TOTAL_MALLOC_LEN	CONFIG_SYS_MALLOC_LEN
#endif

/*
 * Function Prototypes
 */
int dram_init(void);

/**
 * dram_init_banksize() - Set up DRAM bank sizes
 *
 * This can be implemented by boards to set up the DRAM bank information in
 * gd->bd->bi_dram(). It is called just before relocation, after dram_init()
 * is called.
 *
 * If this is not provided, a default implementation will try to set up a
 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and
 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of
 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to
 * get_effective_memsize().
 *
 * @return 0 if OK, -ve on error
 */
int dram_init_banksize(void);

void	hang		(void) __attribute__ ((noreturn));

int	timer_init(void);
int	cpu_init(void);

#include <display_options.h>

/* common/main.c */
void	main_loop	(void);
int run_command(const char *cmd, int flag);
int run_command_repeatable(const char *cmd, int flag);

/**
 * Run a list of commands separated by ; or even \0
 *
 * Note that if 'len' is not -1, then the command does not need to be nul
 * terminated, Memory will be allocated for the command in that case.
 *
 * @param cmd	List of commands to run, each separated bu semicolon
 * @param len	Length of commands excluding terminator if known (-1 if not)
 * @param flag	Execution flags (CMD_FLAG_...)
 * @return 0 on success, or != 0 on error.
 */
int run_command_list(const char *cmd, int len, int flag);

/* arch/$(ARCH)/lib/board.c */
void board_init_f(ulong);
void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));

/**
 * ulong board_init_f_alloc_reserve - allocate reserved area
 *
 * This function is called by each architecture very early in the start-up
 * code to allow the C runtime to reserve space on the stack for writable
 * 'globals' such as GD and the malloc arena.
 *
 * @top:	top of the reserve area, growing down.
 * @return:	bottom of reserved area
 */
ulong board_init_f_alloc_reserve(ulong top);

/**
 * board_init_f_init_reserve - initialize the reserved area(s)
 *
 * This function is called once the C runtime has allocated the reserved
 * area on the stack. It must initialize the GD at the base of that area.
 *
 * @base:	top from which reservation was done
 */
void board_init_f_init_reserve(ulong base);

/**
 * arch_setup_gd() - Set up the global_data pointer
 *
 * This pointer is special in some architectures and cannot easily be assigned
 * to. For example on x86 it is implemented by adding a specific record to its
 * Global Descriptor Table! So we we provide a function to carry out this task.
 * For most architectures this can simply be:
 *
 *    gd = gd_ptr;
 *
 * @gd_ptr:	Pointer to global data
 */
void arch_setup_gd(gd_t *gd_ptr);

int checkboard(void);
int show_board_info(void);
int checkflash(void);
int checkdram(void);
int last_stage_init(void);
extern ulong monitor_flash_len;
int mac_read_from_eeprom(void);
extern u8 __dtb_dt_begin[];	/* embedded device tree blob */
int set_cpu_clk_info(void);
int mdm_init(void);
int print_cpuinfo(void);
int update_flash_size(int flash_size);
int arch_early_init_r(void);

/*
 * setup_board_extra() - Fill in extra details in the bd_t structure
 *
 * @return 0 if OK, -ve on error
 */
int setup_board_extra(void);

/**
 * arch_fsp_init() - perform firmware support package init
 *
 * Where U-Boot relies on binary blobs to handle part of the system init, this
 * function can be used to set up the blobs. This is used on some Intel
 * platforms.
 */
int arch_fsp_init(void);

/**
 * arch_cpu_init_dm() - init CPU after driver model is available
 *
 * This is called immediately after driver model is available before
 * relocation. This is similar to arch_cpu_init() but is able to reference
 * devices
 *
 * @return 0 if OK, -ve on error
 */
int arch_cpu_init_dm(void);

/**
 * Reserve all necessary stacks
 *
 * This is used in generic board init sequence in common/board_f.c. Each
 * architecture could provide this function to tailor the required stacks.
 *
 * On entry gd->start_addr_sp is pointing to the suggested top of the stack.
 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures
 * require only this can leave it untouched.
 *
 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective
 * positions of the stack. The stack pointer(s) will be set to this later.
 * gd->irq_sp is only required, if the architecture needs it.
 *
 * @return 0 if no error
 */
__weak int arch_reserve_stacks(void);

/**
 * Show the DRAM size in a board-specific way
 *
 * This is used by boards to display DRAM information in their own way.
 *
 * @param size	Size of DRAM (which should be displayed along with other info)
 */
void board_show_dram(phys_size_t size);

/**
 * arch_fixup_fdt() - Write arch-specific information to fdt
 *
 * Defined in arch/$(ARCH)/lib/bootm-fdt.c
 *
 * @blob:	FDT blob to write to
 * @return 0 if ok, or -ve FDT_ERR_... on failure
 */
int arch_fixup_fdt(void *blob);

/* common/flash.c */
void flash_perror (int);

/* common/cmd_source.c */
int	source (ulong addr, const char *fit_uname);

extern ulong load_addr;		/* Default Load Address */
extern ulong save_addr;		/* Default Save Address */
extern ulong save_size;		/* Default Save Size */

/* common/cmd_net.c */
int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);

/* common/cmd_fat.c */
int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);

/* common/cmd_ext2.c */
int do_ext2load(cmd_tbl_t *, int, int, char * const []);

/* common/cmd_nvedit.c */
int	env_init     (void);
void	env_relocate (void);
int	envmatch     (uchar *, int);

/* Avoid unfortunate conflict with libc's getenv() */
#ifdef CONFIG_SANDBOX
#define getenv uboot_getenv
#endif
char	*getenv	     (const char *);
int	getenv_f     (const char *name, char *buf, unsigned len);
ulong getenv_ulong(const char *name, int base, ulong default_val);

/**
 * getenv_hex() - Return an environment variable as a hex value
 *
 * Decode an environment as a hex number (it may or may not have a 0x
 * prefix). If the environment variable cannot be found, or does not start
 * with hex digits, the default value is returned.
 *
 * @varname:		Variable to decode
 * @default_val:	Value to return on error
 */
ulong getenv_hex(const char *varname, ulong default_val);

/*
 * Read an environment variable as a boolean
 * Return -1 if variable does not exist (default to true)
 */
int getenv_yesno(const char *var);
int	saveenv	     (void);
int	setenv	     (const char *, const char *);
int setenv_ulong(const char *varname, ulong value);
int setenv_hex(const char *varname, ulong value);
/**
 * setenv_addr - Set an environment variable to an address in hex
 *
 * @varname:	Environment variable to set
 * @addr:	Value to set it to
 * @return 0 if ok, 1 on error
 */
static inline int setenv_addr(const char *varname, const void *addr)
{
	return setenv_hex(varname, (ulong)addr);
}

#ifdef CONFIG_AUTO_COMPLETE
int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
#endif
int get_env_id (void);

void	pci_init      (void);
void	pci_init_board(void);

int	misc_init_f   (void);
int	misc_init_r   (void);

/* common/exports.c */
void	jumptable_init(void);

/* common/kallsysm.c */
const char *symbol_lookup(unsigned long addr, unsigned long *caddr);

/* common/memsize.c */
long	get_ram_size  (long *, long);
phys_size_t get_effective_memsize(void);

/* $(BOARD)/$(BOARD).c */
void	reset_phy     (void);
void	fdc_hw_init   (void);

/* $(BOARD)/eeprom.c */
#ifdef CONFIG_CMD_EEPROM
void eeprom_init  (int bus);
int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
#else
/*
 * Some EEPROM code is depecated because it used the legacy I2C interface. Add
 * some macros here so we don't have to touch every one of those uses
 */
#define eeprom_init(bus)
#define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
#define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
#endif

/*
 * Set this up regardless of board
 * type, to prevent errors.
 */
#if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR)
# define CONFIG_SYS_DEF_EEPROM_ADDR 0
#else
#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
#endif
#endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */

#if defined(CONFIG_SPI)
extern void spi_init_f (void);
extern void spi_init_r (void);
extern ssize_t spi_read	 (uchar *, int, uchar *, int);
extern ssize_t spi_write (uchar *, int, uchar *, int);
#endif

/* $(BOARD)/$(BOARD).c */
int board_early_init_f (void);
int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
int board_late_init (void);
int board_postclk_init (void); /* after clocks/timebase, before env/serial */
int board_early_init_r (void);
void board_poweroff (void);

#if defined(CONFIG_SYS_DRAM_TEST)
int testdram(void);
#endif /* CONFIG_SYS_DRAM_TEST */

/* $(CPU)/start.S */
int	icache_status (void);
void	icache_enable (void);
void	icache_disable(void);
int	dcache_status (void);
void	dcache_enable (void);
void	dcache_disable(void);
void	mmu_disable(void);
#if defined(CONFIG_ARM)
void	relocate_code(ulong);
#else
void	relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
#endif
ulong	get_endaddr   (void);
void	trap_init     (ulong);

/* $(CPU)/cpu.c */
static inline int cpumask_next(int cpu, unsigned int mask)
{
	for (cpu++; !((1 << cpu) & mask); cpu++)
		;

	return cpu;
}

#define for_each_cpu(iter, cpu, num_cpus, mask) \
	for (iter = 0, cpu = cpumask_next(-1, mask); \
		iter < num_cpus; \
		iter++, cpu = cpumask_next(cpu, mask)) \

int	cpu_numcores  (void);
int	cpu_num_dspcores(void);
u32	cpu_mask      (void);
u32	cpu_dsp_mask(void);
int	is_core_valid (unsigned int);

/**
 * arch_cpu_init() - basic cpu-dependent setup for an architecture
 *
 * This is called after early malloc is available. It should handle any
 * CPU- or SoC- specific init needed to continue the init sequence. See
 * board_f.c for where it is called. If this is not provided, a default
 * version (which does nothing) will be used.
 */
int arch_cpu_init(void);

int	checkcpu      (void);
int	checkicache   (void);
int	checkdcache   (void);
void	upmconfig     (unsigned int, unsigned int *, unsigned int);
ulong	get_tbclk     (void);
void	reset_misc    (void);
void	reset_cpu     (ulong addr);
void ft_cpu_setup(void *blob, bd_t *bd);
void ft_pci_setup(void *blob, bd_t *bd);

void smp_set_core_boot_addr(unsigned long addr, int corenr);
void smp_kick_all_cpus(void);

/* $(CPU)/serial.c */
int	serial_init   (void);
void	serial_setbrg (void);
void	serial_putc   (const char);
void	serial_putc_raw(const char);
void	serial_puts   (const char *);
int	serial_getc   (void);
int	serial_tstc   (void);

/* $(CPU)/speed.c */
int	get_clocks (void);
ulong	get_bus_freq  (ulong);
int get_serial_clock(void);

int	cpu_init_r    (void);

/* $(CPU)/interrupts.c */
int	interrupt_init	   (void);
void	timer_interrupt	   (struct pt_regs *);
void	external_interrupt (struct pt_regs *);
void	irq_install_handler(int, interrupt_handler_t *, void *);
void	irq_free_handler   (int);
void	reset_timer	   (void);

/* Return value of monotonic microsecond timer */
unsigned long timer_get_us(void);

void	enable_interrupts  (void);
int	disable_interrupts (void);

/* $(CPU)/.../commproc.c */
int	dpram_init (void);
uint	dpram_base(void);
uint	dpram_base_align(uint align);
uint	dpram_alloc(uint size);
uint	dpram_alloc_align(uint size,uint align);
void	bootcount_store (ulong);
ulong	bootcount_load (void);
#define BOOTCOUNT_MAGIC		0xB001C041

/* $(CPU)/.../<eth> */
void mii_init (void);

/* $(CPU)/.../lcd.c */
ulong	lcd_setmem (ulong);

/* $(CPU)/.../video.c */
ulong	video_setmem (ulong);

/* arch/$(ARCH)/lib/cache.c */
void	enable_caches(void);
void	flush_cache   (unsigned long, unsigned long);
void	flush_dcache_all(void);
void	flush_dcache_range(unsigned long start, unsigned long stop);
void	invalidate_dcache_range(unsigned long start, unsigned long stop);
void	invalidate_dcache_all(void);
void	invalidate_icache_all(void);

enum {
	/* Disable caches (else flush caches but leave them active) */
	CBL_DISABLE_CACHES		= 1 << 0,
	CBL_SHOW_BOOTSTAGE_REPORT	= 1 << 1,

	CBL_ALL				= 3,
};

/**
 * Clean up ready for linux
 *
 * @param flags		Flags to control what is done
 */
int cleanup_before_linux_select(int flags);

/* arch/$(ARCH)/lib/ticks.S */
uint64_t get_ticks(void);
void	wait_ticks    (unsigned long);

/* arch/$(ARCH)/lib/time.c */
ulong	usec2ticks    (unsigned long usec);
ulong	ticks2usec    (unsigned long ticks);

/* lib/gunzip.c */
int gunzip(void *, int, unsigned char *, unsigned long *);
int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
						int stoponerr, int offset);

/**
 * gzwrite progress indicators: defined weak to allow board-specific
 * overrides:
 *
 *	gzwrite_progress_init called on startup
 *	gzwrite_progress called during decompress/write loop
 *	gzwrite_progress_finish called at end of loop to
 *		indicate success (retcode=0) or failure
 */
void gzwrite_progress_init(u64 expected_size);

void gzwrite_progress(int iteration,
		     u64 bytes_written,
		     u64 total_bytes);

void gzwrite_progress_finish(int retcode,
			     u64 totalwritten,
			     u64 totalsize,
			     u32 expected_crc,
			     u32 calculated_crc);

/**
 * decompress and write gzipped image from memory to block device
 *
 * @param	src		compressed image address
 * @param	len		compressed image length in bytes
 * @param	dev		block device descriptor
 * @param	szwritebuf	bytes per write (pad to erase size)
 * @param	startoffs	offset in bytes of first write
 * @param	szexpected	expected uncompressed length
 *				may be zero to use gzip trailer
 *				for files under 4GiB
 */
int gzwrite(unsigned char *src, int len,
	    struct blk_desc *dev,
	    unsigned long szwritebuf,
	    u64 startoffs,
	    u64 szexpected);

/* lib/lz4_wrapper.c */
int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);

/* lib/qsort.c */
void qsort(void *base, size_t nmemb, size_t size,
	   int(*compar)(const void *, const void *));
int strcmp_compar(const void *, const void *);

/* lib/uuid.c */
#include <uuid.h>

/* lib/vsprintf.c */
#include <vsprintf.h>

/* lib/strmhz.c */
char *	strmhz(char *buf, unsigned long hz);

/* lib/crc32.c */
#include <u-boot/crc.h>

/* lib/rand.c */
#define RAND_MAX -1U
void srand(unsigned int seed);
unsigned int rand(void);
unsigned int rand_r(unsigned int *seedp);

/*
 * STDIO based functions (can always be used)
 */
/* serial stuff */
int	serial_printf (const char *fmt, ...)
		__attribute__ ((format (__printf__, 1, 2)));
/* stdin */
int	getc(void);
int	tstc(void);

/* stdout */
#if !defined(CONFIG_SPL_BUILD) || \
	(defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \
	(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \
		defined(CONFIG_SPL_SERIAL_SUPPORT))
void	putc(const char c);
void	puts(const char *s);
int	printf(const char *fmt, ...)
		__attribute__ ((format (__printf__, 1, 2)));
int	vprintf(const char *fmt, va_list args);
#else
#define	putc(...) do { } while (0)
#define puts(...) do { } while (0)
#define printf(...) do { } while (0)
#define vprintf(...) do { } while (0)
#endif

/* stderr */
#define eputc(c)		fputc(stderr, c)
#define eputs(s)		fputs(stderr, s)
#define eprintf(fmt,args...)	fprintf(stderr,fmt ,##args)

/*
 * FILE based functions (can only be used AFTER relocation!)
 */
#define stdin		0
#define stdout		1
#define stderr		2
#define MAX_FILES	3

int	fprintf(int file, const char *fmt, ...)
		__attribute__ ((format (__printf__, 2, 3)));
void	fputs(int file, const char *s);
void	fputc(int file, const char c);
int	ftstc(int file);
int	fgetc(int file);

/* lib/gzip.c */
int gzip(void *dst, unsigned long *lenp,
		unsigned char *src, unsigned long srclen);
int zzip(void *dst, unsigned long *lenp, unsigned char *src,
		unsigned long srclen, int stoponerr,
		int (*func)(unsigned long, unsigned long));

/* lib/net_utils.c */
#include <net.h>
static inline struct in_addr getenv_ip(char *var)
{
	return string_to_ip(getenv(var));
}

int	pcmcia_init (void);

#ifdef CONFIG_LED_STATUS
# include <status_led.h>
#endif

#include <bootstage.h>

#ifdef CONFIG_SHOW_ACTIVITY
void show_activity(int arg);
#endif

/* Multicore arch functions */
#ifdef CONFIG_MP
int cpu_status(int nr);
int cpu_reset(int nr);
int cpu_disable(int nr);
int cpu_release(int nr, int argc, char * const argv[]);
#endif

#else	/* __ASSEMBLY__ */

/* Drop a C type modifier (like in 3UL) for constants used in assembly. */
#define _AC(X, Y)       X

#endif	/* __ASSEMBLY__ */

/* Put only stuff here that the assembler can digest */

/* Declare an unsigned long constant digestable both by C and an assembler. */
#define UL(x)           _AC(x, UL)

#ifdef CONFIG_POST
#define CONFIG_HAS_POST
#ifndef CONFIG_POST_ALT_LIST
#define CONFIG_POST_STD_LIST
#endif
#endif

#ifdef CONFIG_INIT_CRITICAL
#error CONFIG_INIT_CRITICAL is deprecated!
#error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
#endif

#define ROUND(a,b)		(((a) + (b) - 1) & ~((b) - 1))

/*
 * check_member() - Check the offset of a structure member
 *
 * @structure:	Name of structure (e.g. global_data)
 * @member:	Name of member (e.g. baudrate)
 * @offset:	Expected offset in bytes
 */
#define check_member(structure, member, offset) _Static_assert( \
	offsetof(struct structure, member) == offset, \
	"`struct " #structure "` offset for `" #member "` is not " #offset)

/* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
#ifdef CONFIG_EFI_STUB
#define ll_boot_init()	false
#else
#define ll_boot_init()	true
#endif

/* Pull in stuff for the build system */
#ifdef DO_DEPS_ONLY
# include <environment.h>
#endif

#endif	/* __COMMON_H_ */