summaryrefslogtreecommitdiff
path: root/src/arch/armv7/include/common.h
blob: 87ae8cf6a670f256fa4f3313cf46030bb2dd1f4a (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
/*
 * (C) Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __COMMON_H_
#define __COMMON_H_	1

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

#include <types.h>

#ifdef	DEBUG
#define debug(fmt,args...)	printf (fmt ,##args)
#define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args);
#else
#define debug(fmt,args...)
#define debugX(level,fmt,args...)
#endif	/* DEBUG */

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

/*
 * 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: " 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 */

/* Force a compilation error if condition is true */
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))

typedef void (interrupt_handler_t)(void *);

/*
 * Return the time since boot in microseconds, This is needed for bootstage
 * and should be defined in CPU- or board-specific code. If undefined then
 * millisecond resolution will be used (the standard get_timer()).
 */
unsigned long timer_get_boot_us(void);

/*
 * Return the current value of a monotonically increasing microsecond timer.
 * Granularity may be larger than 1us if hardware does not support this.
 */
unsigned long timer_get_us(void);

/*
 * General Purpose Utilities
 */
#if 0
#define min(X, Y)				\
	({ typeof (X) __x = (X);		\
		typeof (Y) __y = (Y);		\
		(__x < __y) ? __x : __y; })

#define max(X, Y)				\
	({ typeof (X) __x = (X);		\
		typeof (Y) __y = (Y);		\
		(__x > __y) ? __x : __y; })
#define MIN(x, y)  min(x, y)
#define MAX(x, y)  max(x, y)
#endif

/**
 * container_of - cast a member of a structure out to the containing structure
 * @ptr:	the pointer to the member.
 * @type:	the type of the container struct this is embedded in.
 * @member:	the name of the member within the struct.
 *
 */
#define container_of(ptr, type, member) ({			\
	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
	(type *)( (char *)__mptr - offsetof(type,member) );})

/*
 * Function Prototypes
 */

int	init_timer(void);	/* FIXME(dhendrix): used to be timer_init() */
int	cpu_init(void);

/* */
unsigned long long initdram (int);
int	display_options (void);
void	print_size(unsigned long long, const char *);
int	print_buffer (unsigned long addr, void* data, unsigned int width, unsigned int count, unsigned int linelen);

/* common/main.c */
void	main_loop	(void);
int	run_command	(const char *cmd, int flag);
int	readline	(const char *const prompt);
int	readline_into_buffer	(const char *const prompt, char * buffer);
int	parse_line (char *, char *[]);
void	init_cmd_timeout(void);
void	reset_cmd_timeout(void);

/* arch/$(ARCH)/lib/board.c */
void	board_init_f  (void);
int	checkboard    (void);
int	checkflash    (void);
int	checkdram     (void);
int	last_stage_init(void);
extern unsigned long monitor_flash_len;
int mac_read_from_eeprom(void);

#ifdef CONFIG_ARM
# include <asm/mach-types.h>
# include <asm/setup.h>
# include <asm/u-boot-arm.h>	/* ARM version to be fixed! */
#endif /* CONFIG_ARM */

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);

/* api/api.c */
void	api_init (void);

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

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

/* $(BOARD)/eeprom.c */
void eeprom_init  (void);
#ifndef CONFIG_SPI
int  eeprom_probe (unsigned dev_addr, unsigned offset);
#endif
int  eeprom_read  (unsigned dev_addr, unsigned offset, unsigned char *buffer, unsigned cnt);
int  eeprom_write (unsigned dev_addr, unsigned offset, unsigned char *buffer, unsigned cnt);

/*
 * 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	 (unsigned char *, int, unsigned char *, int);
extern ssize_t spi_write (unsigned char *, int, unsigned char *, int);
#endif

/* $(BOARD)/$(BOARD).c */
int board_early_init_f (void);
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 */
#if defined(CONFIG_5xx) || \
    defined(CONFIG_8xx)
unsigned int	get_immr      (unsigned int);
#endif
unsigned int	get_pir	      (void);
#if defined(CONFIG_MPC5xxx)
unsigned int	get_svr       (void);
#endif
unsigned int	get_pvr	      (void);
unsigned int	get_svr	      (void);
unsigned int	rd_ic_cst     (void);
void	wr_ic_cst     (unsigned int);
void	wr_ic_adr     (unsigned int);
unsigned int	rd_dc_cst     (void);
void	wr_dc_cst     (unsigned int);
void	wr_dc_adr     (unsigned int);
int	icache_status (void);
void	icache_enable (unsigned long start, unsigned long size);
void	icache_disable(void);
int	dcache_status (void);
void	dcache_enable (unsigned long start, unsigned long size);
void	dcache_disable(void);
void	mmu_disable(void);
unsigned long	get_endaddr   (void);
void	trap_init     (unsigned long);
#if defined (CONFIG_4xx)	|| \
    defined (CONFIG_MPC5xxx)	|| \
    defined (CONFIG_74xx_7xx)	|| \
    defined (CONFIG_74x)	|| \
    defined (CONFIG_75x)	|| \
    defined (CONFIG_74xx)	|| \
    defined (CONFIG_MPC8220)	|| \
    defined (CONFIG_MPC85xx)	|| \
    defined (CONFIG_MPC86xx)	|| \
    defined (CONFIG_MPC83xx)
unsigned char	in8(unsigned int);
void		out8(unsigned int, unsigned char);
unsigned short	in16(unsigned int);
unsigned short	in16r(unsigned int);
void		out16(unsigned int, unsigned short value);
void		out16r(unsigned int, unsigned short value);
unsigned long	in32(unsigned int);
unsigned long	in32r(unsigned int);
void		out32(unsigned int, unsigned long value);
void		out32r(unsigned int, unsigned long value);
void		ppcDcbf(unsigned long value);
void		ppcDcbi(unsigned long value);
void		ppcSync(void);
void		ppcDcbz(unsigned long value);
#endif

/* $(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);
u32	cpu_mask      (void);
int	is_core_valid (unsigned int);
int	probecpu      (void);
int	checkcpu      (void);
int	checkicache   (void);
int	checkdcache   (void);
void	upmconfig     (unsigned int, unsigned int *, unsigned int);
unsigned long	get_tbclk     (void);
#if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
void ft_cpu_setup(void *blob, bd_t *bd);
#endif


/* $(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);

void	_serial_setbrg (const int);
void	_serial_putc   (const char, const int);
void	_serial_putc_raw(const char, const int);
void	_serial_puts   (const char *, const int);
int	_serial_getc   (const int);
int	_serial_tstc   (const int);

/* $(CPU)/speed.c */
int	get_clocks (void);
int	get_clocks_866 (void);
int	sdram_adjust_866 (void);
int	adjust_sdram_tbs_8xx (void);
#if defined(CONFIG_8260)
int	prt_8260_clks (void);
#elif defined(CONFIG_MPC5xxx)
int	prt_mpc5xxx_clks (void);
#endif
#if defined(CONFIG_MPC512X)
int	prt_mpc512xxx_clks (void);
#endif
#if defined(CONFIG_MPC8220)
int	prt_mpc8220_clks (void);
#endif
#ifdef CONFIG_4xx
unsigned long	get_OPB_freq (void);
unsigned long	get_PCI_freq (void);
#endif
#if defined(CONFIG_S3C24X0) || \
    defined(CONFIG_LH7A40X) || \
    defined(CONFIG_S3C6400) || \
    defined(CONFIG_EP93XX)
unsigned long	get_FCLK (void);
unsigned long	get_HCLK (void);
unsigned long	get_PCLK (void);
unsigned long	get_UCLK (void);
#endif
#if defined(CONFIG_LH7A40X)
unsigned long	get_PLLCLK (void);
#endif
#if defined CONFIG_INCA_IP
unsigned int	incaip_get_cpuclk (void);
#endif
#if defined(CONFIG_IMX)
unsigned long get_systemPLLCLK(void);
unsigned long get_FCLK(void);
unsigned long get_HCLK(void);
unsigned long get_BCLK(void);
unsigned long get_PERCLK1(void);
unsigned long get_PERCLK2(void);
unsigned long get_PERCLK3(void);
#endif
unsigned long	get_bus_freq  (unsigned long);
int get_serial_clock(void);

struct pt_regs;
/* $(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);
unsigned long	get_timer	   (unsigned long base);
void	enable_interrupts  (void);
int	disable_interrupts (void);

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

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

/* $(CPU)/.../lcd.c */
unsigned long	lcd_setmem (unsigned long);

/* $(CPU)/.../video.c */
unsigned long	video_setmem (unsigned long);

/* arch/$(ARCH)/lib/cache.c */
unsigned long	dcache_get_line_size(void);
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);

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

/* arch/$(ARCH)/lib/time.c */
void	__udelay      (unsigned long);
unsigned long	usec2ticks    (unsigned long usec);
unsigned long	ticks2usec    (unsigned long ticks);
int	init_timebase (void);

/* 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/time.c */
void	udelay        (unsigned long);

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

/* 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

#endif /* __ASSEMBLER__ */

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

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

#define ROUND(a,b)		(((a) + (b) - 1) & ~((b) - 1))
#define DIV_ROUND(n,d)		(((n) + ((d)/2)) / (d))
#define DIV_ROUND_UP(n,d)	(((n) + (d) - 1) / (d))
#define roundup(x, y)		((((x) + ((y) - 1)) / (y)) * (y))

//#define ALIGN(x,a)		__ALIGN_MASK((x),(typeof(x))(a)-1)
#define __ALIGN_MASK(x,mask)	(((x)+(mask))&~(mask))

#endif	/* __COMMON_H_ */