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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/delay.h> | |
27 | #include <linux/types.h> | |
28 | #include <linux/string.h> | |
29 | #include <linux/stringify.h> | |
30 | #include <asm/ptrace.h> | |
31 | #include <stdarg.h> | |
32 | #include <linux/kernel.h> | |
33 | ||
34 | #include <part.h> | |
35 | #include <flash.h> | |
36 | #include <image.h> | |
37 | ||
38 | /* Bring in printf format macros if inttypes.h is included */ | |
39 | #define __STDC_FORMAT_MACROS | |
40 | ||
41 | #ifdef __LP64__ | |
42 | #define CONFIG_SYS_SUPPORT_64BIT_DATA | |
43 | #endif | |
44 | ||
45 | #ifdef DEBUG | |
46 | #define _DEBUG 1 | |
47 | #else | |
48 | #define _DEBUG 0 | |
49 | #endif | |
50 | ||
51 | #ifdef CONFIG_SPL_BUILD | |
52 | #define _SPL_BUILD 1 | |
53 | #else | |
54 | #define _SPL_BUILD 0 | |
55 | #endif | |
56 | ||
57 | /* Define this at the top of a file to add a prefix to debug messages */ | |
58 | #ifndef pr_fmt | |
59 | #define pr_fmt(fmt) fmt | |
60 | #endif | |
61 | ||
62 | /* | |
63 | * Output a debug text when condition "cond" is met. The "cond" should be | |
64 | * computed by a preprocessor in the best case, allowing for the best | |
65 | * optimization. | |
66 | */ | |
67 | #define debug_cond(cond, fmt, args...) \ | |
68 | do { \ | |
69 | if (cond) \ | |
70 | printf(pr_fmt(fmt), ##args); \ | |
71 | } while (0) | |
72 | ||
73 | /* Show a message if DEBUG is defined in a file */ | |
74 | #define debug(fmt, args...) \ | |
75 | debug_cond(_DEBUG, fmt, ##args) | |
76 | ||
77 | /* Show a message if not in SPL */ | |
78 | #define warn_non_spl(fmt, args...) \ | |
79 | debug_cond(!_SPL_BUILD, fmt, ##args) | |
80 | ||
81 | /* | |
82 | * An assertion is run-time check done in debug mode only. If DEBUG is not | |
83 | * defined then it is skipped. If DEBUG is defined and the assertion fails, | |
84 | * then it calls panic*( which may or may not reset/halt U-Boot (see | |
85 | * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found | |
86 | * before release, and after release it is hoped that they don't matter. But | |
87 | * in any case these failing assertions cannot be fixed with a reset (which | |
88 | * may just do the same assertion again). | |
89 | */ | |
90 | void __assert_fail(const char *assertion, const char *file, unsigned line, | |
91 | const char *function); | |
92 | #define assert(x) \ | |
93 | ({ if (!(x) && _DEBUG) \ | |
94 | __assert_fail(#x, __FILE__, __LINE__, __func__); }) | |
95 | ||
96 | #define error(fmt, args...) do { \ | |
97 | printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ | |
98 | ##args, __FILE__, __LINE__, __func__); \ | |
99 | } while (0) | |
100 | ||
101 | #ifndef BUG | |
102 | #define BUG() do { \ | |
103 | printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ | |
104 | panic("BUG!"); \ | |
105 | } while (0) | |
106 | #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) | |
107 | #endif /* BUG */ | |
108 | ||
109 | typedef void (interrupt_handler_t)(void *); | |
110 | ||
111 | #include <asm/u-boot.h> /* boot information for Linux kernel */ | |
112 | #include <asm/global_data.h> /* global data used for startup functions */ | |
113 | ||
114 | #if defined(CONFIG_ENV_IS_EMBEDDED) | |
115 | #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN | |
116 | #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ | |
117 | (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ | |
118 | defined(CONFIG_ENV_IS_IN_NVRAM) | |
119 | #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) | |
120 | #else | |
121 | #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN | |
122 | #endif | |
123 | ||
124 | /* | |
125 | * Function Prototypes | |
126 | */ | |
127 | int dram_init(void); | |
128 | ||
129 | /** | |
130 | * dram_init_banksize() - Set up DRAM bank sizes | |
131 | * | |
132 | * This can be implemented by boards to set up the DRAM bank information in | |
133 | * gd->bd->bi_dram(). It is called just before relocation, after dram_init() | |
134 | * is called. | |
135 | * | |
136 | * If this is not provided, a default implementation will try to set up a | |
137 | * single bank. It will do this if CONFIG_NR_DRAM_BANKS and | |
138 | * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of | |
139 | * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to | |
140 | * get_effective_memsize(). | |
141 | * | |
142 | * @return 0 if OK, -ve on error | |
143 | */ | |
144 | int dram_init_banksize(void); | |
145 | ||
146 | void hang (void) __attribute__ ((noreturn)); | |
147 | ||
148 | int timer_init(void); | |
149 | int cpu_init(void); | |
150 | ||
151 | #include <display_options.h> | |
152 | ||
153 | /* common/main.c */ | |
154 | void main_loop (void); | |
155 | int run_command(const char *cmd, int flag); | |
156 | int run_command_repeatable(const char *cmd, int flag); | |
157 | ||
158 | /** | |
159 | * Run a list of commands separated by ; or even \0 | |
160 | * | |
161 | * Note that if 'len' is not -1, then the command does not need to be nul | |
162 | * terminated, Memory will be allocated for the command in that case. | |
163 | * | |
164 | * @param cmd List of commands to run, each separated bu semicolon | |
165 | * @param len Length of commands excluding terminator if known (-1 if not) | |
166 | * @param flag Execution flags (CMD_FLAG_...) | |
167 | * @return 0 on success, or != 0 on error. | |
168 | */ | |
169 | int run_command_list(const char *cmd, int len, int flag); | |
170 | ||
171 | /* arch/$(ARCH)/lib/board.c */ | |
172 | void board_init_f(ulong); | |
173 | void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); | |
174 | ||
175 | /** | |
176 | * ulong board_init_f_alloc_reserve - allocate reserved area | |
177 | * | |
178 | * This function is called by each architecture very early in the start-up | |
179 | * code to allow the C runtime to reserve space on the stack for writable | |
180 | * 'globals' such as GD and the malloc arena. | |
181 | * | |
182 | * @top: top of the reserve area, growing down. | |
183 | * @return: bottom of reserved area | |
184 | */ | |
185 | ulong board_init_f_alloc_reserve(ulong top); | |
186 | ||
187 | /** | |
188 | * board_init_f_init_reserve - initialize the reserved area(s) | |
189 | * | |
190 | * This function is called once the C runtime has allocated the reserved | |
191 | * area on the stack. It must initialize the GD at the base of that area. | |
192 | * | |
193 | * @base: top from which reservation was done | |
194 | */ | |
195 | void board_init_f_init_reserve(ulong base); | |
196 | ||
197 | /** | |
198 | * arch_setup_gd() - Set up the global_data pointer | |
199 | * | |
200 | * This pointer is special in some architectures and cannot easily be assigned | |
201 | * to. For example on x86 it is implemented by adding a specific record to its | |
202 | * Global Descriptor Table! So we we provide a function to carry out this task. | |
203 | * For most architectures this can simply be: | |
204 | * | |
205 | * gd = gd_ptr; | |
206 | * | |
207 | * @gd_ptr: Pointer to global data | |
208 | */ | |
209 | void arch_setup_gd(gd_t *gd_ptr); | |
210 | ||
211 | int checkboard(void); | |
212 | int show_board_info(void); | |
213 | int checkflash(void); | |
214 | int checkdram(void); | |
215 | int last_stage_init(void); | |
216 | extern ulong monitor_flash_len; | |
217 | int mac_read_from_eeprom(void); | |
218 | extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ | |
219 | int set_cpu_clk_info(void); | |
220 | int mdm_init(void); | |
221 | int print_cpuinfo(void); | |
222 | int update_flash_size(int flash_size); | |
223 | int arch_early_init_r(void); | |
224 | ||
225 | /* | |
226 | * setup_board_extra() - Fill in extra details in the bd_t structure | |
227 | * | |
228 | * @return 0 if OK, -ve on error | |
229 | */ | |
230 | int setup_board_extra(void); | |
231 | ||
232 | /** | |
233 | * arch_fsp_init() - perform firmware support package init | |
234 | * | |
235 | * Where U-Boot relies on binary blobs to handle part of the system init, this | |
236 | * function can be used to set up the blobs. This is used on some Intel | |
237 | * platforms. | |
238 | */ | |
239 | int arch_fsp_init(void); | |
240 | ||
241 | /** | |
242 | * arch_cpu_init_dm() - init CPU after driver model is available | |
243 | * | |
244 | * This is called immediately after driver model is available before | |
245 | * relocation. This is similar to arch_cpu_init() but is able to reference | |
246 | * devices | |
247 | * | |
248 | * @return 0 if OK, -ve on error | |
249 | */ | |
250 | int arch_cpu_init_dm(void); | |
251 | ||
252 | /** | |
253 | * Reserve all necessary stacks | |
254 | * | |
255 | * This is used in generic board init sequence in common/board_f.c. Each | |
256 | * architecture could provide this function to tailor the required stacks. | |
257 | * | |
258 | * On entry gd->start_addr_sp is pointing to the suggested top of the stack. | |
259 | * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures | |
260 | * require only this can leave it untouched. | |
261 | * | |
262 | * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective | |
263 | * positions of the stack. The stack pointer(s) will be set to this later. | |
264 | * gd->irq_sp is only required, if the architecture needs it. | |
265 | * | |
266 | * @return 0 if no error | |
267 | */ | |
268 | __weak int arch_reserve_stacks(void); | |
269 | ||
270 | /** | |
271 | * Show the DRAM size in a board-specific way | |
272 | * | |
273 | * This is used by boards to display DRAM information in their own way. | |
274 | * | |
275 | * @param size Size of DRAM (which should be displayed along with other info) | |
276 | */ | |
277 | void board_show_dram(phys_size_t size); | |
278 | ||
279 | /** | |
280 | * arch_fixup_fdt() - Write arch-specific information to fdt | |
281 | * | |
282 | * Defined in arch/$(ARCH)/lib/bootm-fdt.c | |
283 | * | |
284 | * @blob: FDT blob to write to | |
285 | * @return 0 if ok, or -ve FDT_ERR_... on failure | |
286 | */ | |
287 | int arch_fixup_fdt(void *blob); | |
288 | ||
289 | /* common/flash.c */ | |
290 | void flash_perror (int); | |
291 | ||
292 | /* common/cmd_source.c */ | |
293 | int source (ulong addr, const char *fit_uname); | |
294 | ||
295 | extern ulong load_addr; /* Default Load Address */ | |
296 | extern ulong save_addr; /* Default Save Address */ | |
297 | extern ulong save_size; /* Default Save Size */ | |
298 | ||
299 | /* common/cmd_net.c */ | |
300 | int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); | |
301 | ||
302 | /* common/cmd_fat.c */ | |
303 | int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); | |
304 | ||
305 | /* common/cmd_ext2.c */ | |
306 | int do_ext2load(cmd_tbl_t *, int, int, char * const []); | |
307 | ||
308 | /* common/cmd_nvedit.c */ | |
309 | int env_init (void); | |
310 | void env_relocate (void); | |
311 | int envmatch (uchar *, int); | |
312 | ||
313 | /* Avoid unfortunate conflict with libc's getenv() */ | |
314 | #ifdef CONFIG_SANDBOX | |
315 | #define getenv uboot_getenv | |
316 | #endif | |
317 | char *getenv (const char *); | |
318 | int getenv_f (const char *name, char *buf, unsigned len); | |
319 | ulong getenv_ulong(const char *name, int base, ulong default_val); | |
320 | ||
321 | /** | |
322 | * getenv_hex() - Return an environment variable as a hex value | |
323 | * | |
324 | * Decode an environment as a hex number (it may or may not have a 0x | |
325 | * prefix). If the environment variable cannot be found, or does not start | |
326 | * with hex digits, the default value is returned. | |
327 | * | |
328 | * @varname: Variable to decode | |
329 | * @default_val: Value to return on error | |
330 | */ | |
331 | ulong getenv_hex(const char *varname, ulong default_val); | |
332 | ||
333 | /* | |
334 | * Read an environment variable as a boolean | |
335 | * Return -1 if variable does not exist (default to true) | |
336 | */ | |
337 | int getenv_yesno(const char *var); | |
338 | int saveenv (void); | |
339 | int setenv (const char *, const char *); | |
340 | int setenv_ulong(const char *varname, ulong value); | |
341 | int setenv_hex(const char *varname, ulong value); | |
342 | /** | |
343 | * setenv_addr - Set an environment variable to an address in hex | |
344 | * | |
345 | * @varname: Environment variable to set | |
346 | * @addr: Value to set it to | |
347 | * @return 0 if ok, 1 on error | |
348 | */ | |
349 | static inline int setenv_addr(const char *varname, const void *addr) | |
350 | { | |
351 | return setenv_hex(varname, (ulong)addr); | |
352 | } | |
353 | ||
354 | #ifdef CONFIG_AUTO_COMPLETE | |
355 | int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); | |
356 | #endif | |
357 | int get_env_id (void); | |
358 | ||
359 | void pci_init (void); | |
360 | void pci_init_board(void); | |
361 | ||
362 | int misc_init_f (void); | |
363 | int misc_init_r (void); | |
364 | ||
365 | /* common/exports.c */ | |
366 | void jumptable_init(void); | |
367 | ||
368 | /* common/kallsysm.c */ | |
369 | const char *symbol_lookup(unsigned long addr, unsigned long *caddr); | |
370 | ||
371 | /* common/memsize.c */ | |
372 | long get_ram_size (long *, long); | |
373 | phys_size_t get_effective_memsize(void); | |
374 | ||
375 | /* $(BOARD)/$(BOARD).c */ | |
376 | void reset_phy (void); | |
377 | void fdc_hw_init (void); | |
378 | ||
379 | /* $(BOARD)/eeprom.c */ | |
380 | #ifdef CONFIG_CMD_EEPROM | |
381 | void eeprom_init (int bus); | |
382 | int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); | |
383 | int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); | |
384 | #else | |
385 | /* | |
386 | * Some EEPROM code is depecated because it used the legacy I2C interface. Add | |
387 | * some macros here so we don't have to touch every one of those uses | |
388 | */ | |
389 | #define eeprom_init(bus) | |
390 | #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) | |
391 | #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) | |
392 | #endif | |
393 | ||
394 | /* | |
395 | * Set this up regardless of board | |
396 | * type, to prevent errors. | |
397 | */ | |
398 | #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) | |
399 | # define CONFIG_SYS_DEF_EEPROM_ADDR 0 | |
400 | #else | |
401 | #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) | |
402 | # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR | |
403 | #endif | |
404 | #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ | |
405 | ||
406 | #if defined(CONFIG_SPI) | |
407 | extern void spi_init_f (void); | |
408 | extern void spi_init_r (void); | |
409 | extern ssize_t spi_read (uchar *, int, uchar *, int); | |
410 | extern ssize_t spi_write (uchar *, int, uchar *, int); | |
411 | #endif | |
412 | ||
413 | /* $(BOARD)/$(BOARD).c */ | |
414 | int board_early_init_f (void); | |
415 | int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ | |
416 | int board_late_init (void); | |
417 | int board_postclk_init (void); /* after clocks/timebase, before env/serial */ | |
418 | int board_early_init_r (void); | |
419 | void board_poweroff (void); | |
420 | ||
421 | #if defined(CONFIG_SYS_DRAM_TEST) | |
422 | int testdram(void); | |
423 | #endif /* CONFIG_SYS_DRAM_TEST */ | |
424 | ||
425 | /* $(CPU)/start.S */ | |
426 | int icache_status (void); | |
427 | void icache_enable (void); | |
428 | void icache_disable(void); | |
429 | int dcache_status (void); | |
430 | void dcache_enable (void); | |
431 | void dcache_disable(void); | |
432 | void mmu_disable(void); | |
433 | #if defined(CONFIG_ARM) | |
434 | void relocate_code(ulong); | |
435 | #else | |
436 | void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); | |
437 | #endif | |
438 | ulong get_endaddr (void); | |
439 | void trap_init (ulong); | |
440 | ||
441 | /* $(CPU)/cpu.c */ | |
442 | static inline int cpumask_next(int cpu, unsigned int mask) | |
443 | { | |
444 | for (cpu++; !((1 << cpu) & mask); cpu++) | |
445 | ; | |
446 | ||
447 | return cpu; | |
448 | } | |
449 | ||
450 | #define for_each_cpu(iter, cpu, num_cpus, mask) \ | |
451 | for (iter = 0, cpu = cpumask_next(-1, mask); \ | |
452 | iter < num_cpus; \ | |
453 | iter++, cpu = cpumask_next(cpu, mask)) \ | |
454 | ||
455 | int cpu_numcores (void); | |
456 | int cpu_num_dspcores(void); | |
457 | u32 cpu_mask (void); | |
458 | u32 cpu_dsp_mask(void); | |
459 | int is_core_valid (unsigned int); | |
460 | ||
461 | /** | |
462 | * arch_cpu_init() - basic cpu-dependent setup for an architecture | |
463 | * | |
464 | * This is called after early malloc is available. It should handle any | |
465 | * CPU- or SoC- specific init needed to continue the init sequence. See | |
466 | * board_f.c for where it is called. If this is not provided, a default | |
467 | * version (which does nothing) will be used. | |
468 | */ | |
469 | int arch_cpu_init(void); | |
470 | ||
471 | int checkcpu (void); | |
472 | int checkicache (void); | |
473 | int checkdcache (void); | |
474 | void upmconfig (unsigned int, unsigned int *, unsigned int); | |
475 | ulong get_tbclk (void); | |
476 | void reset_misc (void); | |
477 | void reset_cpu (ulong addr); | |
478 | void ft_cpu_setup(void *blob, bd_t *bd); | |
479 | void ft_pci_setup(void *blob, bd_t *bd); | |
480 | ||
481 | void smp_set_core_boot_addr(unsigned long addr, int corenr); | |
482 | void smp_kick_all_cpus(void); | |
483 | ||
484 | /* $(CPU)/serial.c */ | |
485 | int serial_init (void); | |
486 | void serial_setbrg (void); | |
487 | void serial_putc (const char); | |
488 | void serial_putc_raw(const char); | |
489 | void serial_puts (const char *); | |
490 | int serial_getc (void); | |
491 | int serial_tstc (void); | |
492 | ||
493 | /* These versions take a stdio_dev pointer */ | |
494 | struct stdio_dev; | |
495 | int serial_stub_getc(struct stdio_dev *sdev); | |
496 | int serial_stub_tstc(struct stdio_dev *sdev); | |
497 | ||
498 | /* $(CPU)/speed.c */ | |
499 | int get_clocks (void); | |
500 | ulong get_bus_freq (ulong); | |
501 | int get_serial_clock(void); | |
502 | ||
503 | int cpu_init_r (void); | |
504 | ||
505 | /* $(CPU)/interrupts.c */ | |
506 | int interrupt_init (void); | |
507 | void timer_interrupt (struct pt_regs *); | |
508 | void external_interrupt (struct pt_regs *); | |
509 | void irq_install_handler(int, interrupt_handler_t *, void *); | |
510 | void irq_free_handler (int); | |
511 | void reset_timer (void); | |
512 | ||
513 | /* Return value of monotonic microsecond timer */ | |
514 | unsigned long timer_get_us(void); | |
515 | ||
516 | void enable_interrupts (void); | |
517 | int disable_interrupts (void); | |
518 | ||
519 | /* $(CPU)/.../commproc.c */ | |
520 | int dpram_init (void); | |
521 | uint dpram_base(void); | |
522 | uint dpram_base_align(uint align); | |
523 | uint dpram_alloc(uint size); | |
524 | uint dpram_alloc_align(uint size,uint align); | |
525 | void bootcount_store (ulong); | |
526 | ulong bootcount_load (void); | |
527 | #define BOOTCOUNT_MAGIC 0xB001C041 | |
528 | ||
529 | /* $(CPU)/.../<eth> */ | |
530 | void mii_init (void); | |
531 | ||
532 | /* $(CPU)/.../lcd.c */ | |
533 | ulong lcd_setmem (ulong); | |
534 | ||
535 | /* $(CPU)/.../video.c */ | |
536 | ulong video_setmem (ulong); | |
537 | ||
538 | /* arch/$(ARCH)/lib/cache.c */ | |
539 | void enable_caches(void); | |
540 | void flush_cache (unsigned long, unsigned long); | |
541 | void flush_dcache_all(void); | |
542 | void flush_dcache_range(unsigned long start, unsigned long stop); | |
543 | void invalidate_dcache_range(unsigned long start, unsigned long stop); | |
544 | void invalidate_dcache_all(void); | |
545 | void invalidate_icache_all(void); | |
546 | ||
547 | enum { | |
548 | /* Disable caches (else flush caches but leave them active) */ | |
549 | CBL_DISABLE_CACHES = 1 << 0, | |
550 | CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, | |
551 | ||
552 | CBL_ALL = 3, | |
553 | }; | |
554 | ||
555 | /** | |
556 | * Clean up ready for linux | |
557 | * | |
558 | * @param flags Flags to control what is done | |
559 | */ | |
560 | int cleanup_before_linux_select(int flags); | |
561 | ||
562 | /* arch/$(ARCH)/lib/ticks.S */ | |
563 | uint64_t get_ticks(void); | |
564 | void wait_ticks (unsigned long); | |
565 | ||
566 | /* arch/$(ARCH)/lib/time.c */ | |
567 | ulong usec2ticks (unsigned long usec); | |
568 | ulong ticks2usec (unsigned long ticks); | |
569 | ||
570 | /* lib/gunzip.c */ | |
571 | int gunzip(void *, int, unsigned char *, unsigned long *); | |
572 | int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, | |
573 | int stoponerr, int offset); | |
574 | ||
575 | /** | |
576 | * gzwrite progress indicators: defined weak to allow board-specific | |
577 | * overrides: | |
578 | * | |
579 | * gzwrite_progress_init called on startup | |
580 | * gzwrite_progress called during decompress/write loop | |
581 | * gzwrite_progress_finish called at end of loop to | |
582 | * indicate success (retcode=0) or failure | |
583 | */ | |
584 | void gzwrite_progress_init(u64 expected_size); | |
585 | ||
586 | void gzwrite_progress(int iteration, | |
587 | u64 bytes_written, | |
588 | u64 total_bytes); | |
589 | ||
590 | void gzwrite_progress_finish(int retcode, | |
591 | u64 totalwritten, | |
592 | u64 totalsize, | |
593 | u32 expected_crc, | |
594 | u32 calculated_crc); | |
595 | ||
596 | /** | |
597 | * decompress and write gzipped image from memory to block device | |
598 | * | |
599 | * @param src compressed image address | |
600 | * @param len compressed image length in bytes | |
601 | * @param dev block device descriptor | |
602 | * @param szwritebuf bytes per write (pad to erase size) | |
603 | * @param startoffs offset in bytes of first write | |
604 | * @param szexpected expected uncompressed length | |
605 | * may be zero to use gzip trailer | |
606 | * for files under 4GiB | |
607 | */ | |
608 | int gzwrite(unsigned char *src, int len, | |
609 | struct blk_desc *dev, | |
610 | unsigned long szwritebuf, | |
611 | u64 startoffs, | |
612 | u64 szexpected); | |
613 | ||
614 | /* lib/lz4_wrapper.c */ | |
615 | int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); | |
616 | ||
617 | /* lib/qsort.c */ | |
618 | void qsort(void *base, size_t nmemb, size_t size, | |
619 | int(*compar)(const void *, const void *)); | |
620 | int strcmp_compar(const void *, const void *); | |
621 | ||
622 | /* lib/uuid.c */ | |
623 | #include <uuid.h> | |
624 | ||
625 | /* lib/vsprintf.c */ | |
626 | #include <vsprintf.h> | |
627 | ||
628 | /* lib/strmhz.c */ | |
629 | char * strmhz(char *buf, unsigned long hz); | |
630 | ||
631 | /* lib/crc32.c */ | |
632 | #include <u-boot/crc.h> | |
633 | ||
634 | /* lib/rand.c */ | |
635 | #define RAND_MAX -1U | |
636 | void srand(unsigned int seed); | |
637 | unsigned int rand(void); | |
638 | unsigned int rand_r(unsigned int *seedp); | |
639 | ||
640 | /* | |
641 | * STDIO based functions (can always be used) | |
642 | */ | |
643 | /* serial stuff */ | |
644 | int serial_printf (const char *fmt, ...) | |
645 | __attribute__ ((format (__printf__, 1, 2))); | |
646 | /* stdin */ | |
647 | int getc(void); | |
648 | int tstc(void); | |
649 | ||
650 | /* stdout */ | |
651 | #if !defined(CONFIG_SPL_BUILD) || \ | |
652 | (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ | |
653 | (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ | |
654 | defined(CONFIG_SPL_SERIAL_SUPPORT)) | |
655 | void putc(const char c); | |
656 | void puts(const char *s); | |
657 | int printf(const char *fmt, ...) | |
658 | __attribute__ ((format (__printf__, 1, 2))); | |
659 | int vprintf(const char *fmt, va_list args); | |
660 | #else | |
661 | #define putc(...) do { } while (0) | |
662 | #define puts(...) do { } while (0) | |
663 | #define printf(...) do { } while (0) | |
664 | #define vprintf(...) do { } while (0) | |
665 | #endif | |
666 | ||
667 | /* stderr */ | |
668 | #define eputc(c) fputc(stderr, c) | |
669 | #define eputs(s) fputs(stderr, s) | |
670 | #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) | |
671 | ||
672 | /* | |
673 | * FILE based functions (can only be used AFTER relocation!) | |
674 | */ | |
675 | #define stdin 0 | |
676 | #define stdout 1 | |
677 | #define stderr 2 | |
678 | #define MAX_FILES 3 | |
679 | ||
680 | int fprintf(int file, const char *fmt, ...) | |
681 | __attribute__ ((format (__printf__, 2, 3))); | |
682 | void fputs(int file, const char *s); | |
683 | void fputc(int file, const char c); | |
684 | int ftstc(int file); | |
685 | int fgetc(int file); | |
686 | ||
687 | /* lib/gzip.c */ | |
688 | int gzip(void *dst, unsigned long *lenp, | |
689 | unsigned char *src, unsigned long srclen); | |
690 | int zzip(void *dst, unsigned long *lenp, unsigned char *src, | |
691 | unsigned long srclen, int stoponerr, | |
692 | int (*func)(unsigned long, unsigned long)); | |
693 | ||
694 | /* lib/net_utils.c */ | |
695 | #include <net.h> | |
696 | static inline struct in_addr getenv_ip(char *var) | |
697 | { | |
698 | return string_to_ip(getenv(var)); | |
699 | } | |
700 | ||
701 | int pcmcia_init (void); | |
702 | ||
703 | #ifdef CONFIG_LED_STATUS | |
704 | # include <status_led.h> | |
705 | #endif | |
706 | ||
707 | #include <bootstage.h> | |
708 | ||
709 | #ifdef CONFIG_SHOW_ACTIVITY | |
710 | void show_activity(int arg); | |
711 | #endif | |
712 | ||
713 | /* Multicore arch functions */ | |
714 | #ifdef CONFIG_MP | |
715 | int cpu_status(int nr); | |
716 | int cpu_reset(int nr); | |
717 | int cpu_disable(int nr); | |
718 | int cpu_release(int nr, int argc, char * const argv[]); | |
719 | #endif | |
720 | ||
721 | #else /* __ASSEMBLY__ */ | |
722 | ||
723 | /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ | |
724 | #define _AC(X, Y) X | |
725 | ||
726 | #endif /* __ASSEMBLY__ */ | |
727 | ||
728 | /* Put only stuff here that the assembler can digest */ | |
729 | ||
730 | /* Declare an unsigned long constant digestable both by C and an assembler. */ | |
731 | #define UL(x) _AC(x, UL) | |
732 | ||
733 | #ifdef CONFIG_POST | |
734 | #define CONFIG_HAS_POST | |
735 | #ifndef CONFIG_POST_ALT_LIST | |
736 | #define CONFIG_POST_STD_LIST | |
737 | #endif | |
738 | #endif | |
739 | ||
740 | #ifdef CONFIG_INIT_CRITICAL | |
741 | #error CONFIG_INIT_CRITICAL is deprecated! | |
742 | #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. | |
743 | #endif | |
744 | ||
745 | #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) | |
746 | ||
747 | /* | |
748 | * check_member() - Check the offset of a structure member | |
749 | * | |
750 | * @structure: Name of structure (e.g. global_data) | |
751 | * @member: Name of member (e.g. baudrate) | |
752 | * @offset: Expected offset in bytes | |
753 | */ | |
754 | #define check_member(structure, member, offset) _Static_assert( \ | |
755 | offsetof(struct structure, member) == offset, \ | |
756 | "`struct " #structure "` offset for `" #member "` is not " #offset) | |
757 | ||
758 | /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ | |
759 | #ifdef CONFIG_EFI_STUB | |
760 | #define ll_boot_init() false | |
761 | #else | |
762 | #define ll_boot_init() true | |
763 | #endif | |
764 | ||
765 | /* Pull in stuff for the build system */ | |
766 | #ifdef DO_DEPS_ONLY | |
767 | # include <environment.h> | |
768 | #endif | |
769 | ||
770 | #endif /* __COMMON_H_ */ |