xref: /openbmc/u-boot/include/common.h (revision d25ba89e)
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 #include <config.h>
19 #include <asm-offsets.h>
20 #include <linux/bitops.h>
21 #include <linux/types.h>
22 #include <linux/string.h>
23 #include <linux/stringify.h>
24 #include <asm/ptrace.h>
25 #include <stdarg.h>
26 #include <linux/kernel.h>
27 #if defined(CONFIG_PCI) && defined(CONFIG_4xx)
28 #include <pci.h>
29 #endif
30 #if defined(CONFIG_8xx)
31 #include <asm/8xx_immap.h>
32 #if defined(CONFIG_MPC859)	|| defined(CONFIG_MPC859T)	|| \
33     defined(CONFIG_MPC866)	|| \
34     defined(CONFIG_MPC866P)
35 # define CONFIG_MPC866_FAMILY 1
36 #elif defined(CONFIG_MPC885)
37 # define CONFIG_MPC885_FAMILY   1
38 #endif
39 #if   defined(CONFIG_MPC860)	   \
40    || defined(CONFIG_MPC860T)	   \
41    || defined(CONFIG_MPC866_FAMILY) \
42    || defined(CONFIG_MPC885_FAMILY)
43 # define CONFIG_MPC86x 1
44 #endif
45 #elif defined(CONFIG_5xx)
46 #include <asm/5xx_immap.h>
47 #elif defined(CONFIG_MPC5xxx)
48 #include <mpc5xxx.h>
49 #elif defined(CONFIG_MPC512X)
50 #include <asm/immap_512x.h>
51 #elif defined(CONFIG_MPC8260)
52 #if   defined(CONFIG_MPC8247) \
53    || defined(CONFIG_MPC8272)
54 #define CONFIG_MPC8272_FAMILY	1
55 #endif
56 #include <asm/immap_8260.h>
57 #endif
58 #ifdef CONFIG_MPC86xx
59 #include <mpc86xx.h>
60 #include <asm/immap_86xx.h>
61 #endif
62 #ifdef CONFIG_MPC85xx
63 #include <mpc85xx.h>
64 #include <asm/immap_85xx.h>
65 #endif
66 #ifdef CONFIG_MPC83xx
67 #include <mpc83xx.h>
68 #include <asm/immap_83xx.h>
69 #endif
70 #ifdef	CONFIG_4xx
71 #include <asm/ppc4xx.h>
72 #endif
73 #ifdef CONFIG_BLACKFIN
74 #include <asm/blackfin.h>
75 #endif
76 #ifdef CONFIG_SOC_DA8XX
77 #include <asm/arch/hardware.h>
78 #endif
79 #ifdef CONFIG_FSL_LSCH3
80 #include <asm/arch/immap_lsch3.h>
81 #endif
82 #ifdef CONFIG_FSL_LSCH2
83 #include <asm/arch/immap_lsch2.h>
84 #endif
85 
86 #include <part.h>
87 #include <flash.h>
88 #include <image.h>
89 
90 /* Bring in printf format macros if inttypes.h is included */
91 #define __STDC_FORMAT_MACROS
92 
93 #ifdef __LP64__
94 #define CONFIG_SYS_SUPPORT_64BIT_DATA
95 #endif
96 
97 #ifdef DEBUG
98 #define _DEBUG	1
99 #else
100 #define _DEBUG	0
101 #endif
102 
103 #ifndef pr_fmt
104 #define pr_fmt(fmt) fmt
105 #endif
106 
107 /*
108  * Output a debug text when condition "cond" is met. The "cond" should be
109  * computed by a preprocessor in the best case, allowing for the best
110  * optimization.
111  */
112 #define debug_cond(cond, fmt, args...)			\
113 	do {						\
114 		if (cond)				\
115 			printf(pr_fmt(fmt), ##args);	\
116 	} while (0)
117 
118 #define debug(fmt, args...)			\
119 	debug_cond(_DEBUG, fmt, ##args)
120 
121 /*
122  * An assertion is run-time check done in debug mode only. If DEBUG is not
123  * defined then it is skipped. If DEBUG is defined and the assertion fails,
124  * then it calls panic*( which may or may not reset/halt U-Boot (see
125  * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found
126  * before release, and after release it is hoped that they don't matter. But
127  * in any case these failing assertions cannot be fixed with a reset (which
128  * may just do the same assertion again).
129  */
130 void __assert_fail(const char *assertion, const char *file, unsigned line,
131 		   const char *function);
132 #define assert(x) \
133 	({ if (!(x) && _DEBUG) \
134 		__assert_fail(#x, __FILE__, __LINE__, __func__); })
135 
136 #define error(fmt, args...) do {					\
137 		printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n",	\
138 			##args, __FILE__, __LINE__, __func__);		\
139 } while (0)
140 
141 #ifndef BUG
142 #define BUG() do { \
143 	printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
144 	panic("BUG!"); \
145 } while (0)
146 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
147 #endif /* BUG */
148 
149 /* Force a compilation error if condition is true */
150 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
151 
152 typedef void (interrupt_handler_t)(void *);
153 
154 #include <asm/u-boot.h> /* boot information for Linux kernel */
155 #include <asm/global_data.h>	/* global data used for startup functions */
156 
157 /*
158  * enable common handling for all TQM8xxL/M boards:
159  * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards
160  * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards
161  *                  and for the TQM885D board
162  */
163 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \
164     defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \
165     defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M)
166 # ifndef CONFIG_TQM8xxM
167 #  define CONFIG_TQM8xxM
168 # endif
169 #endif
170 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \
171     defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \
172     defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \
173     defined(CONFIG_TQM885D)
174 # ifndef CONFIG_TQM8xxL
175 #  define CONFIG_TQM8xxL
176 # endif
177 #endif
178 
179 #if defined(CONFIG_ENV_IS_EMBEDDED)
180 #define TOTAL_MALLOC_LEN	CONFIG_SYS_MALLOC_LEN
181 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
182 	(CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
183       defined(CONFIG_ENV_IS_IN_NVRAM)
184 #define	TOTAL_MALLOC_LEN	(CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
185 #else
186 #define	TOTAL_MALLOC_LEN	CONFIG_SYS_MALLOC_LEN
187 #endif
188 
189 /*
190  * Function Prototypes
191  */
192 int dram_init(void);
193 
194 void	hang		(void) __attribute__ ((noreturn));
195 
196 int	timer_init(void);
197 int	cpu_init(void);
198 
199 /* */
200 phys_size_t initdram (int);
201 
202 #include <display_options.h>
203 
204 /* common/main.c */
205 void	main_loop	(void);
206 int run_command(const char *cmd, int flag);
207 int run_command_repeatable(const char *cmd, int flag);
208 
209 /**
210  * Run a list of commands separated by ; or even \0
211  *
212  * Note that if 'len' is not -1, then the command does not need to be nul
213  * terminated, Memory will be allocated for the command in that case.
214  *
215  * @param cmd	List of commands to run, each separated bu semicolon
216  * @param len	Length of commands excluding terminator if known (-1 if not)
217  * @param flag	Execution flags (CMD_FLAG_...)
218  * @return 0 on success, or != 0 on error.
219  */
220 int run_command_list(const char *cmd, int len, int flag);
221 
222 /* arch/$(ARCH)/lib/board.c */
223 void board_init_f(ulong);
224 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
225 
226 /**
227  * ulong board_init_f_alloc_reserve - allocate reserved area
228  *
229  * This function is called by each architecture very early in the start-up
230  * code to allow the C runtime to reserve space on the stack for writable
231  * 'globals' such as GD and the malloc arena.
232  *
233  * @top:	top of the reserve area, growing down.
234  * @return:	bottom of reserved area
235  */
236 ulong board_init_f_alloc_reserve(ulong top);
237 
238 /**
239  * board_init_f_init_reserve - initialize the reserved area(s)
240  *
241  * This function is called once the C runtime has allocated the reserved
242  * area on the stack. It must initialize the GD at the base of that area.
243  *
244  * @base:	top from which reservation was done
245  */
246 void board_init_f_init_reserve(ulong base);
247 
248 /**
249  * arch_setup_gd() - Set up the global_data pointer
250  *
251  * This pointer is special in some architectures and cannot easily be assigned
252  * to. For example on x86 it is implemented by adding a specific record to its
253  * Global Descriptor Table! So we we provide a function to carry out this task.
254  * For most architectures this can simply be:
255  *
256  *    gd = gd_ptr;
257  *
258  * @gd_ptr:	Pointer to global data
259  */
260 void arch_setup_gd(gd_t *gd_ptr);
261 
262 int checkboard(void);
263 int show_board_info(void);
264 int checkflash(void);
265 int checkdram(void);
266 int last_stage_init(void);
267 extern ulong monitor_flash_len;
268 int mac_read_from_eeprom(void);
269 extern u8 __dtb_dt_begin[];	/* embedded device tree blob */
270 int set_cpu_clk_info(void);
271 int mdm_init(void);
272 #if defined(CONFIG_DISPLAY_CPUINFO)
273 int print_cpuinfo(void);
274 #else
275 static inline int print_cpuinfo(void)
276 {
277 	return 0;
278 }
279 #endif
280 int update_flash_size(int flash_size);
281 int arch_early_init_r(void);
282 
283 /**
284  * arch_cpu_init_dm() - init CPU after driver model is available
285  *
286  * This is called immediately after driver model is available before
287  * relocation. This is similar to arch_cpu_init() but is able to reference
288  * devices
289  *
290  * @return 0 if OK, -ve on error
291  */
292 int arch_cpu_init_dm(void);
293 
294 /**
295  * Reserve all necessary stacks
296  *
297  * This is used in generic board init sequence in common/board_f.c. Each
298  * architecture could provide this function to tailor the required stacks.
299  *
300  * On entry gd->start_addr_sp is pointing to the suggested top of the stack.
301  * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures
302  * require only this can leave it untouched.
303  *
304  * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective
305  * positions of the stack. The stack pointer(s) will be set to this later.
306  * gd->irq_sp is only required, if the architecture needs it.
307  *
308  * @return 0 if no error
309  */
310 __weak int arch_reserve_stacks(void);
311 
312 /**
313  * Show the DRAM size in a board-specific way
314  *
315  * This is used by boards to display DRAM information in their own way.
316  *
317  * @param size	Size of DRAM (which should be displayed along with other info)
318  */
319 void board_show_dram(phys_size_t size);
320 
321 /**
322  * arch_fixup_fdt() - Write arch-specific information to fdt
323  *
324  * Defined in arch/$(ARCH)/lib/bootm-fdt.c
325  *
326  * @blob:	FDT blob to write to
327  * @return 0 if ok, or -ve FDT_ERR_... on failure
328  */
329 int arch_fixup_fdt(void *blob);
330 
331 /* common/flash.c */
332 void flash_perror (int);
333 
334 /* common/cmd_source.c */
335 int	source (ulong addr, const char *fit_uname);
336 
337 extern ulong load_addr;		/* Default Load Address */
338 extern ulong save_addr;		/* Default Save Address */
339 extern ulong save_size;		/* Default Save Size */
340 
341 /* common/cmd_doc.c */
342 void	doc_probe(unsigned long physadr);
343 
344 /* common/cmd_net.c */
345 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
346 
347 /* common/cmd_fat.c */
348 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
349 
350 /* common/cmd_ext2.c */
351 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
352 
353 /* common/cmd_nvedit.c */
354 int	env_init     (void);
355 void	env_relocate (void);
356 int	envmatch     (uchar *, int);
357 
358 /* Avoid unfortunate conflict with libc's getenv() */
359 #ifdef CONFIG_SANDBOX
360 #define getenv uboot_getenv
361 #endif
362 char	*getenv	     (const char *);
363 int	getenv_f     (const char *name, char *buf, unsigned len);
364 ulong getenv_ulong(const char *name, int base, ulong default_val);
365 
366 /**
367  * getenv_hex() - Return an environment variable as a hex value
368  *
369  * Decode an environment as a hex number (it may or may not have a 0x
370  * prefix). If the environment variable cannot be found, or does not start
371  * with hex digits, the default value is returned.
372  *
373  * @varname:		Variable to decode
374  * @default_val:	Value to return on error
375  */
376 ulong getenv_hex(const char *varname, ulong default_val);
377 
378 /*
379  * Read an environment variable as a boolean
380  * Return -1 if variable does not exist (default to true)
381  */
382 int getenv_yesno(const char *var);
383 int	saveenv	     (void);
384 int	setenv	     (const char *, const char *);
385 int setenv_ulong(const char *varname, ulong value);
386 int setenv_hex(const char *varname, ulong value);
387 /**
388  * setenv_addr - Set an environment variable to an address in hex
389  *
390  * @varname:	Environment variable to set
391  * @addr:	Value to set it to
392  * @return 0 if ok, 1 on error
393  */
394 static inline int setenv_addr(const char *varname, const void *addr)
395 {
396 	return setenv_hex(varname, (ulong)addr);
397 }
398 
399 #ifdef CONFIG_ARM
400 # include <asm/mach-types.h>
401 # include <asm/setup.h>
402 # include <asm/u-boot-arm.h>	/* ARM version to be fixed! */
403 #endif /* CONFIG_ARM */
404 #ifdef CONFIG_X86		/* x86 version to be fixed! */
405 # include <asm/u-boot-x86.h>
406 #endif /* CONFIG_X86 */
407 #ifdef CONFIG_SANDBOX
408 # include <asm/u-boot-sandbox.h>	/* TODO(sjg) what needs to be fixed? */
409 #endif
410 #ifdef CONFIG_NDS32
411 # include <asm/mach-types.h>
412 # include <asm/setup.h>
413 # include <asm/u-boot-nds32.h>
414 #endif /* CONFIG_NDS32 */
415 #ifdef CONFIG_MIPS
416 # include <asm/u-boot-mips.h>
417 #endif /* CONFIG_MIPS */
418 #ifdef CONFIG_ARC
419 # include <asm/u-boot-arc.h>
420 #endif /* CONFIG_ARC */
421 
422 #ifdef CONFIG_AUTO_COMPLETE
423 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
424 #endif
425 int get_env_id (void);
426 
427 void	pci_init      (void);
428 void	pci_init_board(void);
429 
430 #if defined(CONFIG_PCI) && defined(CONFIG_4xx)
431     int	   pci_pre_init	       (struct pci_controller *);
432     int	   is_pci_host	       (struct pci_controller *);
433 #endif
434 
435 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX))
436 #   if defined(CONFIG_SYS_PCI_TARGET_INIT)
437 	void	pci_target_init	     (struct pci_controller *);
438 #   endif
439 #   if defined(CONFIG_SYS_PCI_MASTER_INIT)
440 	void	pci_master_init	     (struct pci_controller *);
441 #   endif
442 #if defined(CONFIG_440SPE) || \
443     defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
444     defined(CONFIG_405EX)
445    void pcie_setup_hoses(int busno);
446 #endif
447 #endif
448 
449 int	misc_init_f   (void);
450 int	misc_init_r   (void);
451 
452 /* common/exports.c */
453 void	jumptable_init(void);
454 
455 /* common/kallsysm.c */
456 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
457 
458 /* api/api.c */
459 void	api_init (void);
460 
461 /* common/memsize.c */
462 long	get_ram_size  (long *, long);
463 phys_size_t get_effective_memsize(void);
464 
465 /* $(BOARD)/$(BOARD).c */
466 void	reset_phy     (void);
467 void	fdc_hw_init   (void);
468 
469 /* $(BOARD)/eeprom.c */
470 void eeprom_init  (int bus);
471 int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
472 int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
473 
474 /*
475  * Set this up regardless of board
476  * type, to prevent errors.
477  */
478 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR)
479 # define CONFIG_SYS_DEF_EEPROM_ADDR 0
480 #else
481 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
482 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
483 #endif
484 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */
485 
486 #if defined(CONFIG_SPI)
487 extern void spi_init_f (void);
488 extern void spi_init_r (void);
489 extern ssize_t spi_read	 (uchar *, int, uchar *, int);
490 extern ssize_t spi_write (uchar *, int, uchar *, int);
491 #endif
492 
493 /* $(BOARD)/$(BOARD).c */
494 int board_early_init_f (void);
495 int board_late_init (void);
496 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
497 int board_early_init_r (void);
498 void board_poweroff (void);
499 
500 #if defined(CONFIG_SYS_DRAM_TEST)
501 int testdram(void);
502 #endif /* CONFIG_SYS_DRAM_TEST */
503 
504 /* $(CPU)/start.S */
505 #if defined(CONFIG_5xx) || \
506     defined(CONFIG_8xx)
507 uint	get_immr      (uint);
508 #endif
509 #if defined(CONFIG_MPC5xxx)
510 uint	get_svr       (void);
511 #endif
512 uint	get_pvr	      (void);
513 uint	get_svr	      (void);
514 uint	rd_ic_cst     (void);
515 void	wr_ic_cst     (uint);
516 void	wr_ic_adr     (uint);
517 uint	rd_dc_cst     (void);
518 void	wr_dc_cst     (uint);
519 void	wr_dc_adr     (uint);
520 int	icache_status (void);
521 void	icache_enable (void);
522 void	icache_disable(void);
523 int	dcache_status (void);
524 void	dcache_enable (void);
525 void	dcache_disable(void);
526 void	mmu_disable(void);
527 #if defined(CONFIG_ARM)
528 void	relocate_code(ulong);
529 #else
530 void	relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
531 #endif
532 ulong	get_endaddr   (void);
533 void	trap_init     (ulong);
534 #if defined (CONFIG_4xx)	|| \
535     defined (CONFIG_MPC5xxx)	|| \
536     defined (CONFIG_MPC85xx)	|| \
537     defined (CONFIG_MPC86xx)	|| \
538     defined (CONFIG_MPC83xx)
539 unsigned char	in8(unsigned int);
540 void		out8(unsigned int, unsigned char);
541 unsigned short	in16(unsigned int);
542 unsigned short	in16r(unsigned int);
543 void		out16(unsigned int, unsigned short value);
544 void		out16r(unsigned int, unsigned short value);
545 unsigned long	in32(unsigned int);
546 unsigned long	in32r(unsigned int);
547 void		out32(unsigned int, unsigned long value);
548 void		out32r(unsigned int, unsigned long value);
549 void		ppcDcbf(unsigned long value);
550 void		ppcDcbi(unsigned long value);
551 void		ppcSync(void);
552 void		ppcDcbz(unsigned long value);
553 #endif
554 #if defined (CONFIG_MICROBLAZE)
555 unsigned short	in16(unsigned int);
556 void		out16(unsigned int, unsigned short value);
557 #endif
558 
559 #if defined (CONFIG_MPC83xx)
560 void		ppcDWload(unsigned int *addr, unsigned int *ret);
561 void		ppcDWstore(unsigned int *addr, unsigned int *value);
562 void disable_addr_trans(void);
563 void enable_addr_trans(void);
564 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
565 void ddr_enable_ecc(unsigned int dram_size);
566 #endif
567 #endif
568 
569 /*
570  * Return the current value of a monotonically increasing microsecond timer.
571  * Granularity may be larger than 1us if hardware does not support this.
572  */
573 ulong timer_get_us(void);
574 
575 /* $(CPU)/cpu.c */
576 static inline int cpumask_next(int cpu, unsigned int mask)
577 {
578 	for (cpu++; !((1 << cpu) & mask); cpu++)
579 		;
580 
581 	return cpu;
582 }
583 
584 #define for_each_cpu(iter, cpu, num_cpus, mask) \
585 	for (iter = 0, cpu = cpumask_next(-1, mask); \
586 		iter < num_cpus; \
587 		iter++, cpu = cpumask_next(cpu, mask)) \
588 
589 int	cpu_numcores  (void);
590 int	cpu_num_dspcores(void);
591 u32	cpu_mask      (void);
592 u32	cpu_dsp_mask(void);
593 int	is_core_valid (unsigned int);
594 int	probecpu      (void);
595 int	checkcpu      (void);
596 int	checkicache   (void);
597 int	checkdcache   (void);
598 void	upmconfig     (unsigned int, unsigned int *, unsigned int);
599 ulong	get_tbclk     (void);
600 void	reset_misc    (void);
601 void	reset_cpu     (ulong addr);
602 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
603 void ft_cpu_setup(void *blob, bd_t *bd);
604 #ifdef CONFIG_PCI
605 void ft_pci_setup(void *blob, bd_t *bd);
606 #endif
607 #endif
608 
609 void smp_set_core_boot_addr(unsigned long addr, int corenr);
610 void smp_kick_all_cpus(void);
611 
612 /* $(CPU)/serial.c */
613 int	serial_init   (void);
614 void	serial_setbrg (void);
615 void	serial_putc   (const char);
616 void	serial_putc_raw(const char);
617 void	serial_puts   (const char *);
618 int	serial_getc   (void);
619 int	serial_tstc   (void);
620 
621 /* These versions take a stdio_dev pointer */
622 struct stdio_dev;
623 int serial_stub_getc(struct stdio_dev *sdev);
624 int serial_stub_tstc(struct stdio_dev *sdev);
625 
626 /* $(CPU)/speed.c */
627 int	get_clocks (void);
628 int	get_clocks_866 (void);
629 int	sdram_adjust_866 (void);
630 int	adjust_sdram_tbs_8xx (void);
631 #if defined(CONFIG_MPC8260)
632 int	prt_8260_clks (void);
633 #elif defined(CONFIG_MPC5xxx)
634 int	prt_mpc5xxx_clks (void);
635 #endif
636 #ifdef CONFIG_4xx
637 ulong	get_OPB_freq (void);
638 ulong	get_PCI_freq (void);
639 #endif
640 #if defined(CONFIG_S3C24X0) || \
641     defined(CONFIG_LH7A40X) || \
642     defined(CONFIG_EP93XX)
643 ulong	get_FCLK (void);
644 ulong	get_HCLK (void);
645 ulong	get_PCLK (void);
646 ulong	get_UCLK (void);
647 #endif
648 #if defined(CONFIG_LH7A40X)
649 ulong	get_PLLCLK (void);
650 #endif
651 #if defined(CONFIG_IMX)
652 ulong get_systemPLLCLK(void);
653 ulong get_FCLK(void);
654 ulong get_HCLK(void);
655 ulong get_BCLK(void);
656 ulong get_PERCLK1(void);
657 ulong get_PERCLK2(void);
658 ulong get_PERCLK3(void);
659 #endif
660 ulong	get_bus_freq  (ulong);
661 int get_serial_clock(void);
662 
663 #if defined(CONFIG_MPC85xx)
664 typedef MPC85xx_SYS_INFO sys_info_t;
665 void	get_sys_info  ( sys_info_t * );
666 #  if defined(CONFIG_OF_LIBFDT)
667 	void ft_fixup_cpu(void *, u64);
668 	void ft_fixup_num_cores(void *);
669 #  endif
670 #endif
671 #if defined(CONFIG_MPC86xx)
672 typedef MPC86xx_SYS_INFO sys_info_t;
673 void   get_sys_info  ( sys_info_t * );
674 static inline ulong get_ddr_freq(ulong dummy)
675 {
676 	return get_bus_freq(dummy);
677 }
678 #else
679 ulong get_ddr_freq(ulong);
680 #endif
681 
682 #if defined(CONFIG_4xx)
683 #  if defined(CONFIG_440)
684 #	if defined(CONFIG_440SPE)
685 	 unsigned long determine_sysper(void);
686 	 unsigned long determine_pci_clock_per(void);
687 #	endif
688 #  endif
689 typedef PPC4xx_SYS_INFO sys_info_t;
690 int	ppc440spe_revB(void);
691 void	get_sys_info  ( sys_info_t * );
692 #endif
693 
694 /* $(CPU)/cpu_init.c */
695 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260)
696 void	cpu_init_f    (volatile immap_t *immr);
697 #endif
698 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx)
699 void	cpu_init_f    (void);
700 #endif
701 #ifdef CONFIG_MPC85xx
702 ulong cpu_init_f(void);
703 #endif
704 
705 int	cpu_init_r    (void);
706 #if defined(CONFIG_MPC8260)
707 int	prt_8260_rsr  (void);
708 #elif defined(CONFIG_MPC83xx)
709 int	prt_83xx_rsr  (void);
710 #endif
711 
712 /* $(CPU)/interrupts.c */
713 int	interrupt_init	   (void);
714 void	timer_interrupt	   (struct pt_regs *);
715 void	external_interrupt (struct pt_regs *);
716 void	irq_install_handler(int, interrupt_handler_t *, void *);
717 void	irq_free_handler   (int);
718 void	reset_timer	   (void);
719 ulong	get_timer	   (ulong base);
720 
721 /* Return value of monotonic microsecond timer */
722 unsigned long timer_get_us(void);
723 
724 void	enable_interrupts  (void);
725 int	disable_interrupts (void);
726 
727 /* $(CPU)/.../commproc.c */
728 int	dpram_init (void);
729 uint	dpram_base(void);
730 uint	dpram_base_align(uint align);
731 uint	dpram_alloc(uint size);
732 uint	dpram_alloc_align(uint size,uint align);
733 void	bootcount_store (ulong);
734 ulong	bootcount_load (void);
735 #define BOOTCOUNT_MAGIC		0xB001C041
736 
737 /* $(CPU)/.../<eth> */
738 void mii_init (void);
739 
740 /* $(CPU)/.../lcd.c */
741 ulong	lcd_setmem (ulong);
742 
743 /* $(CPU)/.../video.c */
744 ulong	video_setmem (ulong);
745 
746 /* arch/$(ARCH)/lib/cache.c */
747 void	enable_caches(void);
748 void	flush_cache   (unsigned long, unsigned long);
749 void	flush_dcache_all(void);
750 void	flush_dcache_range(unsigned long start, unsigned long stop);
751 void	invalidate_dcache_range(unsigned long start, unsigned long stop);
752 void	invalidate_dcache_all(void);
753 void	invalidate_icache_all(void);
754 
755 enum {
756 	/* Disable caches (else flush caches but leave them active) */
757 	CBL_DISABLE_CACHES		= 1 << 0,
758 	CBL_SHOW_BOOTSTAGE_REPORT	= 1 << 1,
759 
760 	CBL_ALL				= 3,
761 };
762 
763 /**
764  * Clean up ready for linux
765  *
766  * @param flags		Flags to control what is done
767  */
768 int cleanup_before_linux_select(int flags);
769 
770 /* arch/$(ARCH)/lib/ticks.S */
771 uint64_t get_ticks(void);
772 void	wait_ticks    (unsigned long);
773 
774 /* arch/$(ARCH)/lib/time.c */
775 void	__udelay      (unsigned long);
776 ulong	usec2ticks    (unsigned long usec);
777 ulong	ticks2usec    (unsigned long ticks);
778 int	init_timebase (void);
779 
780 /* lib/gunzip.c */
781 int gunzip(void *, int, unsigned char *, unsigned long *);
782 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
783 						int stoponerr, int offset);
784 
785 /**
786  * gzwrite progress indicators: defined weak to allow board-specific
787  * overrides:
788  *
789  *	gzwrite_progress_init called on startup
790  *	gzwrite_progress called during decompress/write loop
791  *	gzwrite_progress_finish called at end of loop to
792  *		indicate success (retcode=0) or failure
793  */
794 void gzwrite_progress_init(u64 expected_size);
795 
796 void gzwrite_progress(int iteration,
797 		     u64 bytes_written,
798 		     u64 total_bytes);
799 
800 void gzwrite_progress_finish(int retcode,
801 			     u64 totalwritten,
802 			     u64 totalsize,
803 			     u32 expected_crc,
804 			     u32 calculated_crc);
805 
806 /**
807  * decompress and write gzipped image from memory to block device
808  *
809  * @param	src		compressed image address
810  * @param	len		compressed image length in bytes
811  * @param	dev		block device descriptor
812  * @param	szwritebuf	bytes per write (pad to erase size)
813  * @param	startoffs	offset in bytes of first write
814  * @param	szexpected	expected uncompressed length
815  *				may be zero to use gzip trailer
816  *				for files under 4GiB
817  */
818 int gzwrite(unsigned char *src, int len,
819 	    struct block_dev_desc *dev,
820 	    unsigned long szwritebuf,
821 	    u64 startoffs,
822 	    u64 szexpected);
823 
824 /* lib/lz4_wrapper.c */
825 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
826 
827 /* lib/qsort.c */
828 void qsort(void *base, size_t nmemb, size_t size,
829 	   int(*compar)(const void *, const void *));
830 int strcmp_compar(const void *, const void *);
831 
832 /* lib/time.c */
833 void	udelay        (unsigned long);
834 void mdelay(unsigned long);
835 
836 /* lib/uuid.c */
837 #include <uuid.h>
838 
839 /* lib/vsprintf.c */
840 #include <vsprintf.h>
841 
842 /* lib/strmhz.c */
843 char *	strmhz(char *buf, unsigned long hz);
844 
845 /* lib/crc32.c */
846 #include <u-boot/crc.h>
847 
848 /* lib/rand.c */
849 #define RAND_MAX -1U
850 void srand(unsigned int seed);
851 unsigned int rand(void);
852 unsigned int rand_r(unsigned int *seedp);
853 
854 /*
855  * STDIO based functions (can always be used)
856  */
857 /* serial stuff */
858 int	serial_printf (const char *fmt, ...)
859 		__attribute__ ((format (__printf__, 1, 2)));
860 /* stdin */
861 int	getc(void);
862 int	tstc(void);
863 
864 /* stdout */
865 #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SERIAL_SUPPORT)
866 #define	putc(...) do { } while (0)
867 #define puts(...) do { } while (0)
868 #define printf(...) do { } while (0)
869 #define vprintf(...) do { } while (0)
870 #else
871 void	putc(const char c);
872 void	puts(const char *s);
873 int	printf(const char *fmt, ...)
874 		__attribute__ ((format (__printf__, 1, 2)));
875 int	vprintf(const char *fmt, va_list args);
876 #endif
877 
878 /* stderr */
879 #define eputc(c)		fputc(stderr, c)
880 #define eputs(s)		fputs(stderr, s)
881 #define eprintf(fmt,args...)	fprintf(stderr,fmt ,##args)
882 
883 /*
884  * FILE based functions (can only be used AFTER relocation!)
885  */
886 #define stdin		0
887 #define stdout		1
888 #define stderr		2
889 #define MAX_FILES	3
890 
891 int	fprintf(int file, const char *fmt, ...)
892 		__attribute__ ((format (__printf__, 2, 3)));
893 void	fputs(int file, const char *s);
894 void	fputc(int file, const char c);
895 int	ftstc(int file);
896 int	fgetc(int file);
897 
898 /* lib/gzip.c */
899 int gzip(void *dst, unsigned long *lenp,
900 		unsigned char *src, unsigned long srclen);
901 int zzip(void *dst, unsigned long *lenp, unsigned char *src,
902 		unsigned long srclen, int stoponerr,
903 		int (*func)(unsigned long, unsigned long));
904 
905 /* lib/net_utils.c */
906 #include <net.h>
907 static inline struct in_addr getenv_ip(char *var)
908 {
909 	return string_to_ip(getenv(var));
910 }
911 
912 int	pcmcia_init (void);
913 
914 #ifdef CONFIG_STATUS_LED
915 # include <status_led.h>
916 #endif
917 
918 #include <bootstage.h>
919 
920 #ifdef CONFIG_SHOW_ACTIVITY
921 void show_activity(int arg);
922 #endif
923 
924 /* Multicore arch functions */
925 #ifdef CONFIG_MP
926 int cpu_status(int nr);
927 int cpu_reset(int nr);
928 int cpu_disable(int nr);
929 int cpu_release(int nr, int argc, char * const argv[]);
930 #endif
931 
932 #endif /* __ASSEMBLY__ */
933 
934 #ifdef CONFIG_PPC
935 /*
936  * Has to be included outside of the #ifndef __ASSEMBLY__ section.
937  * Otherwise might lead to compilation errors in assembler files.
938  */
939 #include <asm/cache.h>
940 #endif
941 
942 /* Put only stuff here that the assembler can digest */
943 
944 #ifdef CONFIG_POST
945 #define CONFIG_HAS_POST
946 #ifndef CONFIG_POST_ALT_LIST
947 #define CONFIG_POST_STD_LIST
948 #endif
949 #endif
950 
951 #ifdef CONFIG_INIT_CRITICAL
952 #error CONFIG_INIT_CRITICAL is deprecated!
953 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
954 #endif
955 
956 #define ROUND(a,b)		(((a) + (b) - 1) & ~((b) - 1))
957 
958 /*
959  * check_member() - Check the offset of a structure member
960  *
961  * @structure:	Name of structure (e.g. global_data)
962  * @member:	Name of member (e.g. baudrate)
963  * @offset:	Expected offset in bytes
964  */
965 #define check_member(structure, member, offset) _Static_assert( \
966 	offsetof(struct structure, member) == offset, \
967 	"`struct " #structure "` offset for `" #member "` is not " #offset)
968 
969 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
970 #ifdef CONFIG_EFI_STUB
971 #define ll_boot_init()	false
972 #else
973 #define ll_boot_init()	true
974 #endif
975 
976 /* Pull in stuff for the build system */
977 #ifdef DO_DEPS_ONLY
978 # include <environment.h>
979 #endif
980 
981 #endif	/* __COMMON_H_ */
982