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Commit | Line | Data |
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e2211743 | 1 | /* |
3b74e7ec | 2 | * (C) Copyright 2000-2009 |
e2211743 WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
3765b3e7 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
e2211743 WD |
6 | */ |
7 | ||
8 | #ifndef __COMMON_H_ | |
d0b8feef | 9 | #define __COMMON_H_ 1 |
e2211743 | 10 | |
fcd3c87e WD |
11 | #ifndef __ASSEMBLY__ /* put C only stuff in this section */ |
12 | ||
e2211743 WD |
13 | typedef unsigned char uchar; |
14 | typedef volatile unsigned long vu_long; | |
180d3f74 | 15 | typedef volatile unsigned short vu_short; |
e2211743 WD |
16 | typedef volatile unsigned char vu_char; |
17 | ||
2a6713b0 AP |
18 | /* Allow sharing constants with type modifiers between C and assembly. */ |
19 | #define _AC(X, Y) (X##Y) | |
20 | ||
e2211743 | 21 | #include <config.h> |
2307ea40 | 22 | #include <errno.h> |
a7b81769 | 23 | #include <time.h> |
25ddd1fb | 24 | #include <asm-offsets.h> |
e2211743 | 25 | #include <linux/bitops.h> |
0a70fb4c | 26 | #include <linux/bug.h> |
5bc516ed | 27 | #include <linux/delay.h> |
e2211743 | 28 | #include <linux/types.h> |
b44b3026 | 29 | #include <linux/printk.h> |
e2211743 | 30 | #include <linux/string.h> |
9aed5080 | 31 | #include <linux/stringify.h> |
e2211743 WD |
32 | #include <asm/ptrace.h> |
33 | #include <stdarg.h> | |
7fea7b1a | 34 | #include <stdio.h> |
cba1da49 | 35 | #include <linux/kernel.h> |
85043159 | 36 | |
e2211743 WD |
37 | #include <part.h> |
38 | #include <flash.h> | |
39 | #include <image.h> | |
40 | ||
4166ecb2 GB |
41 | /* Bring in printf format macros if inttypes.h is included */ |
42 | #define __STDC_FORMAT_MACROS | |
43 | ||
4d1fd7f1 YS |
44 | #ifdef __LP64__ |
45 | #define CONFIG_SYS_SUPPORT_64BIT_DATA | |
46 | #endif | |
47 | ||
21726a7a | 48 | #ifdef DEBUG |
88a85fb9 | 49 | #define _DEBUG 1 |
21726a7a | 50 | #else |
88a85fb9 | 51 | #define _DEBUG 0 |
21726a7a SG |
52 | #endif |
53 | ||
98286826 SG |
54 | #ifdef CONFIG_SPL_BUILD |
55 | #define _SPL_BUILD 1 | |
56 | #else | |
57 | #define _SPL_BUILD 0 | |
58 | #endif | |
59 | ||
88a85fb9 MV |
60 | /* |
61 | * Output a debug text when condition "cond" is met. The "cond" should be | |
62 | * computed by a preprocessor in the best case, allowing for the best | |
63 | * optimization. | |
64 | */ | |
be25d875 TR |
65 | #define debug_cond(cond, fmt, args...) \ |
66 | do { \ | |
67 | if (cond) \ | |
68 | printf(pr_fmt(fmt), ##args); \ | |
88a85fb9 MV |
69 | } while (0) |
70 | ||
5e7f7433 | 71 | /* Show a message if DEBUG is defined in a file */ |
88a85fb9 MV |
72 | #define debug(fmt, args...) \ |
73 | debug_cond(_DEBUG, fmt, ##args) | |
74 | ||
98286826 SG |
75 | /* Show a message if not in SPL */ |
76 | #define warn_non_spl(fmt, args...) \ | |
77 | debug_cond(!_SPL_BUILD, fmt, ##args) | |
78 | ||
21726a7a SG |
79 | /* |
80 | * An assertion is run-time check done in debug mode only. If DEBUG is not | |
81 | * defined then it is skipped. If DEBUG is defined and the assertion fails, | |
82 | * then it calls panic*( which may or may not reset/halt U-Boot (see | |
83 | * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found | |
84 | * before release, and after release it is hoped that they don't matter. But | |
85 | * in any case these failing assertions cannot be fixed with a reset (which | |
86 | * may just do the same assertion again). | |
87 | */ | |
88 | void __assert_fail(const char *assertion, const char *file, unsigned line, | |
89 | const char *function); | |
90 | #define assert(x) \ | |
91 | ({ if (!(x) && _DEBUG) \ | |
92 | __assert_fail(#x, __FILE__, __LINE__, __func__); }) | |
93 | ||
c83bf6a2 | 94 | typedef void (interrupt_handler_t)(void *); |
e2211743 | 95 | |
c83bf6a2 | 96 | #include <asm/u-boot.h> /* boot information for Linux kernel */ |
e2211743 WD |
97 | #include <asm/global_data.h> /* global data used for startup functions */ |
98 | ||
3fbeeea6 HS |
99 | #if defined(CONFIG_ENV_IS_EMBEDDED) |
100 | #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN | |
101 | #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ | |
102 | (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ | |
103 | defined(CONFIG_ENV_IS_IN_NVRAM) | |
104 | #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) | |
105 | #else | |
106 | #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN | |
107 | #endif | |
c7de829c | 108 | |
e2211743 WD |
109 | /* |
110 | * Function Prototypes | |
111 | */ | |
0267ba5d | 112 | int dram_init(void); |
e2211743 | 113 | |
5e924a13 SG |
114 | /** |
115 | * dram_init_banksize() - Set up DRAM bank sizes | |
116 | * | |
117 | * This can be implemented by boards to set up the DRAM bank information in | |
118 | * gd->bd->bi_dram(). It is called just before relocation, after dram_init() | |
119 | * is called. | |
120 | * | |
121 | * If this is not provided, a default implementation will try to set up a | |
122 | * single bank. It will do this if CONFIG_NR_DRAM_BANKS and | |
123 | * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of | |
124 | * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to | |
125 | * get_effective_memsize(). | |
126 | * | |
127 | * @return 0 if OK, -ve on error | |
128 | */ | |
129 | int dram_init_banksize(void); | |
130 | ||
c83bf6a2 | 131 | void hang (void) __attribute__ ((noreturn)); |
e2211743 | 132 | |
f6c019c4 WD |
133 | int timer_init(void); |
134 | int cpu_init(void); | |
135 | ||
2ea09c83 | 136 | #include <display_options.h> |
e2211743 WD |
137 | |
138 | /* common/main.c */ | |
139 | void main_loop (void); | |
009dde19 | 140 | int run_command(const char *cmd, int flag); |
1d43bfd2 | 141 | int run_command_repeatable(const char *cmd, int flag); |
d51004a8 SG |
142 | |
143 | /** | |
144 | * Run a list of commands separated by ; or even \0 | |
145 | * | |
146 | * Note that if 'len' is not -1, then the command does not need to be nul | |
147 | * terminated, Memory will be allocated for the command in that case. | |
148 | * | |
149 | * @param cmd List of commands to run, each separated bu semicolon | |
150 | * @param len Length of commands excluding terminator if known (-1 if not) | |
151 | * @param flag Execution flags (CMD_FLAG_...) | |
152 | * @return 0 on success, or != 0 on error. | |
153 | */ | |
154 | int run_command_list(const char *cmd, int len, int flag); | |
e2211743 | 155 | |
ea0364f1 | 156 | /* arch/$(ARCH)/lib/board.c */ |
0365ffcc MY |
157 | void board_init_f(ulong); |
158 | void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); | |
1fed87db SG |
159 | |
160 | /** | |
ecc30663 | 161 | * ulong board_init_f_alloc_reserve - allocate reserved area |
1fed87db SG |
162 | * |
163 | * This function is called by each architecture very early in the start-up | |
ecc30663 AA |
164 | * code to allow the C runtime to reserve space on the stack for writable |
165 | * 'globals' such as GD and the malloc arena. | |
1fed87db | 166 | * |
ecc30663 AA |
167 | * @top: top of the reserve area, growing down. |
168 | * @return: bottom of reserved area | |
169 | */ | |
170 | ulong board_init_f_alloc_reserve(ulong top); | |
171 | ||
172 | /** | |
173 | * board_init_f_init_reserve - initialize the reserved area(s) | |
1fed87db | 174 | * |
ecc30663 AA |
175 | * This function is called once the C runtime has allocated the reserved |
176 | * area on the stack. It must initialize the GD at the base of that area. | |
1fed87db | 177 | * |
ecc30663 | 178 | * @base: top from which reservation was done |
1fed87db | 179 | */ |
ecc30663 | 180 | void board_init_f_init_reserve(ulong base); |
1fed87db SG |
181 | |
182 | /** | |
183 | * arch_setup_gd() - Set up the global_data pointer | |
184 | * | |
185 | * This pointer is special in some architectures and cannot easily be assigned | |
186 | * to. For example on x86 it is implemented by adding a specific record to its | |
187 | * Global Descriptor Table! So we we provide a function to carry out this task. | |
188 | * For most architectures this can simply be: | |
189 | * | |
190 | * gd = gd_ptr; | |
191 | * | |
192 | * @gd_ptr: Pointer to global data | |
193 | */ | |
194 | void arch_setup_gd(gd_t *gd_ptr); | |
195 | ||
0365ffcc MY |
196 | int checkboard(void); |
197 | int show_board_info(void); | |
198 | int checkflash(void); | |
199 | int checkdram(void); | |
200 | int last_stage_init(void); | |
3b57fe0a | 201 | extern ulong monitor_flash_len; |
bea3f28d | 202 | int mac_read_from_eeprom(void); |
6ab6b2af | 203 | extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ |
8f5d4687 | 204 | int set_cpu_clk_info(void); |
9272a9b4 | 205 | int mdm_init(void); |
1938f4a5 | 206 | int print_cpuinfo(void); |
c2240d4d | 207 | int update_flash_size(int flash_size); |
2c072c95 | 208 | int arch_early_init_r(void); |
e2211743 | 209 | |
e5fb573f SG |
210 | /* |
211 | * setup_board_extra() - Fill in extra details in the bd_t structure | |
212 | * | |
213 | * @return 0 if OK, -ve on error | |
214 | */ | |
215 | int setup_board_extra(void); | |
216 | ||
671549e5 SG |
217 | /** |
218 | * arch_fsp_init() - perform firmware support package init | |
219 | * | |
220 | * Where U-Boot relies on binary blobs to handle part of the system init, this | |
221 | * function can be used to set up the blobs. This is used on some Intel | |
222 | * platforms. | |
223 | */ | |
224 | int arch_fsp_init(void); | |
225 | ||
d4c671cc SG |
226 | /** |
227 | * arch_cpu_init_dm() - init CPU after driver model is available | |
228 | * | |
229 | * This is called immediately after driver model is available before | |
230 | * relocation. This is similar to arch_cpu_init() but is able to reference | |
231 | * devices | |
232 | * | |
233 | * @return 0 if OK, -ve on error | |
234 | */ | |
235 | int arch_cpu_init_dm(void); | |
236 | ||
68145d4c AB |
237 | /** |
238 | * Reserve all necessary stacks | |
239 | * | |
240 | * This is used in generic board init sequence in common/board_f.c. Each | |
241 | * architecture could provide this function to tailor the required stacks. | |
242 | * | |
243 | * On entry gd->start_addr_sp is pointing to the suggested top of the stack. | |
244 | * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures | |
245 | * require only this can leave it untouched. | |
246 | * | |
247 | * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective | |
248 | * positions of the stack. The stack pointer(s) will be set to this later. | |
249 | * gd->irq_sp is only required, if the architecture needs it. | |
250 | * | |
251 | * @return 0 if no error | |
252 | */ | |
253 | __weak int arch_reserve_stacks(void); | |
254 | ||
15a33e49 SG |
255 | /** |
256 | * Show the DRAM size in a board-specific way | |
257 | * | |
258 | * This is used by boards to display DRAM information in their own way. | |
259 | * | |
260 | * @param size Size of DRAM (which should be displayed along with other info) | |
261 | */ | |
ea11b401 | 262 | void board_show_dram(phys_size_t size); |
15a33e49 | 263 | |
13d06981 | 264 | /** |
e29607ed | 265 | * arch_fixup_fdt() - Write arch-specific information to fdt |
13d06981 | 266 | * |
e29607ed | 267 | * Defined in arch/$(ARCH)/lib/bootm-fdt.c |
13d06981 SG |
268 | * |
269 | * @blob: FDT blob to write to | |
270 | * @return 0 if ok, or -ve FDT_ERR_... on failure | |
271 | */ | |
e29607ed | 272 | int arch_fixup_fdt(void *blob); |
13d06981 | 273 | |
60873f73 | 274 | int reserve_mmu(void); |
e2211743 WD |
275 | /* common/flash.c */ |
276 | void flash_perror (int); | |
277 | ||
74de7aef WD |
278 | /* common/cmd_source.c */ |
279 | int source (ulong addr, const char *fit_uname); | |
e2211743 | 280 | |
c83bf6a2 | 281 | extern ulong load_addr; /* Default Load Address */ |
1aec244a SG |
282 | extern ulong save_addr; /* Default Save Address */ |
283 | extern ulong save_size; /* Default Save Size */ | |
e2211743 | 284 | |
06283a64 JH |
285 | /* common/cmd_net.c */ |
286 | int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); | |
287 | ||
669df7e4 RH |
288 | /* common/cmd_fat.c */ |
289 | int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); | |
290 | ||
291 | /* common/cmd_ext2.c */ | |
292 | int do_ext2load(cmd_tbl_t *, int, int, char * const []); | |
293 | ||
e2211743 WD |
294 | /* common/cmd_nvedit.c */ |
295 | int env_init (void); | |
296 | void env_relocate (void); | |
26a41790 | 297 | int envmatch (uchar *, int); |
20f86a0a | 298 | |
00caae6d SG |
299 | /** |
300 | * env_get() - Look up the value of an environment variable | |
301 | * | |
302 | * In U-Boot proper this can be called before relocation (which is when the | |
303 | * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that | |
304 | * case this function calls env_get_f(). | |
305 | * | |
306 | * @varname: Variable to look up | |
307 | * @return value of variable, or NULL if not found | |
308 | */ | |
309 | char *env_get(const char *varname); | |
310 | ||
311 | /** | |
312 | * env_get_f() - Look up the value of an environment variable (early) | |
313 | * | |
314 | * This function is called from env_get() if the environment has not been | |
315 | * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will | |
316 | * support reading the value (slowly) and some will not. | |
317 | * | |
318 | * @varname: Variable to look up | |
319 | * @return value of variable, or NULL if not found | |
320 | */ | |
321 | int env_get_f(const char *name, char *buf, unsigned len); | |
322 | ||
bfebc8c9 SG |
323 | /** |
324 | * env_get_ulong() - Return an environment variable as an integer value | |
325 | * | |
326 | * Most U-Boot environment variables store hex values. For those which store | |
327 | * (e.g.) base-10 integers, this function can be used to read the value. | |
328 | * | |
329 | * @name: Variable to look up | |
330 | * @base: Base to use (e.g. 10 for base 10, 2 for binary) | |
331 | * @default_val: Default value to return if no value is found | |
332 | * @return the value found, or @default_val if none | |
333 | */ | |
334 | ulong env_get_ulong(const char *name, int base, ulong default_val); | |
76b8f79c SG |
335 | |
336 | /** | |
bfebc8c9 | 337 | * env_get_hex() - Return an environment variable as a hex value |
76b8f79c SG |
338 | * |
339 | * Decode an environment as a hex number (it may or may not have a 0x | |
340 | * prefix). If the environment variable cannot be found, or does not start | |
341 | * with hex digits, the default value is returned. | |
342 | * | |
343 | * @varname: Variable to decode | |
344 | * @default_val: Value to return on error | |
345 | */ | |
bfebc8c9 | 346 | ulong env_get_hex(const char *varname, ulong default_val); |
76b8f79c | 347 | |
ec8a252c JH |
348 | /* |
349 | * Read an environment variable as a boolean | |
350 | * Return -1 if variable does not exist (default to true) | |
351 | */ | |
bfebc8c9 | 352 | int env_get_yesno(const char *var); |
382bee57 SG |
353 | |
354 | /** | |
355 | * env_set() - set an environment variable | |
356 | * | |
357 | * This sets or deletes the value of an environment variable. For setting the | |
358 | * value the variable is created if it does not already exist. | |
359 | * | |
360 | * @varname: Variable to adjust | |
361 | * @value: Value to set for the variable, or NULL or "" to delete the variable | |
362 | * @return 0 if OK, 1 on error | |
363 | */ | |
364 | int env_set(const char *varname, const char *value); | |
365 | ||
bfc59966 | 366 | /** |
018f5303 SG |
367 | * env_set_ulong() - set an environment variable to an integer |
368 | * | |
369 | * @varname: Variable to adjust | |
370 | * @value: Value to set for the variable (will be converted to a string) | |
371 | * @return 0 if OK, 1 on error | |
372 | */ | |
373 | int env_set_ulong(const char *varname, ulong value); | |
374 | ||
375 | /** | |
376 | * env_set_hex() - set an environment variable to a hex value | |
377 | * | |
378 | * @varname: Variable to adjust | |
379 | * @value: Value to set for the variable (will be converted to a hex string) | |
380 | * @return 0 if OK, 1 on error | |
381 | */ | |
382 | int env_set_hex(const char *varname, ulong value); | |
383 | ||
384 | /** | |
385 | * env_set_addr - Set an environment variable to an address in hex | |
bfc59966 | 386 | * |
1bce2aeb | 387 | * @varname: Environment variable to set |
bfc59966 SG |
388 | * @addr: Value to set it to |
389 | * @return 0 if ok, 1 on error | |
390 | */ | |
018f5303 | 391 | static inline int env_set_addr(const char *varname, const void *addr) |
bfc59966 | 392 | { |
018f5303 | 393 | return env_set_hex(varname, (ulong)addr); |
bfc59966 SG |
394 | } |
395 | ||
04a85b3b WD |
396 | #ifdef CONFIG_AUTO_COMPLETE |
397 | int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); | |
398 | #endif | |
2f70c49e | 399 | int get_env_id (void); |
04a85b3b | 400 | |
c83bf6a2 WD |
401 | void pci_init (void); |
402 | void pci_init_board(void); | |
e2211743 | 403 | |
af9e6ad4 CJF |
404 | #if defined(CONFIG_DTB_RESELECT) |
405 | int embedded_dtb_select(void); | |
406 | #endif | |
407 | ||
e2211743 WD |
408 | int misc_init_f (void); |
409 | int misc_init_r (void); | |
410 | ||
27b207fd WD |
411 | /* common/exports.c */ |
412 | void jumptable_init(void); | |
413 | ||
ecb1dc89 MF |
414 | /* common/kallsysm.c */ |
415 | const char *symbol_lookup(unsigned long addr, unsigned long *caddr); | |
416 | ||
c83bf6a2 | 417 | /* common/memsize.c */ |
a55d23cc | 418 | long get_ram_size (long *, long); |
e3866163 | 419 | phys_size_t get_effective_memsize(void); |
c83bf6a2 | 420 | |
e2211743 WD |
421 | /* $(BOARD)/$(BOARD).c */ |
422 | void reset_phy (void); | |
c83bf6a2 | 423 | void fdc_hw_init (void); |
e2211743 WD |
424 | |
425 | /* $(BOARD)/eeprom.c */ | |
eb5ba3ae | 426 | #ifdef CONFIG_CMD_EEPROM |
354e3ed7 | 427 | void eeprom_init (int bus); |
e2211743 WD |
428 | int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); |
429 | int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); | |
eb5ba3ae SG |
430 | #else |
431 | /* | |
432 | * Some EEPROM code is depecated because it used the legacy I2C interface. Add | |
433 | * some macros here so we don't have to touch every one of those uses | |
434 | */ | |
435 | #define eeprom_init(bus) | |
436 | #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) | |
437 | #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) | |
438 | #endif | |
e2211743 WD |
439 | |
440 | /* | |
441 | * Set this up regardless of board | |
442 | * type, to prevent errors. | |
443 | */ | |
6d0f6bcf JCPV |
444 | #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) |
445 | # define CONFIG_SYS_DEF_EEPROM_ADDR 0 | |
e2211743 | 446 | #else |
548738b4 | 447 | #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) |
6d0f6bcf | 448 | # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR |
548738b4 | 449 | #endif |
6d0f6bcf | 450 | #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ |
e2211743 | 451 | |
bdccc4fe | 452 | #if defined(CONFIG_SPI) |
e2211743 WD |
453 | extern void spi_init_f (void); |
454 | extern void spi_init_r (void); | |
c83bf6a2 | 455 | extern ssize_t spi_read (uchar *, int, uchar *, int); |
e2211743 WD |
456 | extern ssize_t spi_write (uchar *, int, uchar *, int); |
457 | #endif | |
458 | ||
e2211743 | 459 | /* $(BOARD)/$(BOARD).c */ |
c837dcb1 | 460 | int board_early_init_f (void); |
2a792753 | 461 | int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ |
c837dcb1 | 462 | int board_late_init (void); |
e2211743 | 463 | int board_postclk_init (void); /* after clocks/timebase, before env/serial */ |
c837dcb1 | 464 | int board_early_init_r (void); |
e2211743 WD |
465 | void board_poweroff (void); |
466 | ||
6d0f6bcf | 467 | #if defined(CONFIG_SYS_DRAM_TEST) |
e2211743 | 468 | int testdram(void); |
6d0f6bcf | 469 | #endif /* CONFIG_SYS_DRAM_TEST */ |
e2211743 WD |
470 | |
471 | /* $(CPU)/start.S */ | |
e2211743 WD |
472 | int icache_status (void); |
473 | void icache_enable (void); | |
474 | void icache_disable(void); | |
475 | int dcache_status (void); | |
476 | void dcache_enable (void); | |
477 | void dcache_disable(void); | |
2c451f78 | 478 | void mmu_disable(void); |
5c6db120 BT |
479 | #if defined(CONFIG_ARM) |
480 | void relocate_code(ulong); | |
481 | #else | |
482 | void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); | |
959eaa74 | 483 | #endif |
e2211743 WD |
484 | ulong get_endaddr (void); |
485 | void trap_init (ulong); | |
6e2941d7 | 486 | |
e2211743 | 487 | /* $(CPU)/cpu.c */ |
fbb9ecf7 TT |
488 | static inline int cpumask_next(int cpu, unsigned int mask) |
489 | { | |
490 | for (cpu++; !((1 << cpu) & mask); cpu++) | |
491 | ; | |
492 | ||
493 | return cpu; | |
494 | } | |
495 | ||
496 | #define for_each_cpu(iter, cpu, num_cpus, mask) \ | |
497 | for (iter = 0, cpu = cpumask_next(-1, mask); \ | |
498 | iter < num_cpus; \ | |
499 | iter++, cpu = cpumask_next(cpu, mask)) \ | |
500 | ||
0e870980 | 501 | int cpu_numcores (void); |
b8bf0adc | 502 | int cpu_num_dspcores(void); |
fbb9ecf7 | 503 | u32 cpu_mask (void); |
b8bf0adc | 504 | u32 cpu_dsp_mask(void); |
fbb9ecf7 | 505 | int is_core_valid (unsigned int); |
cbcbf71b SG |
506 | |
507 | /** | |
508 | * arch_cpu_init() - basic cpu-dependent setup for an architecture | |
509 | * | |
510 | * This is called after early malloc is available. It should handle any | |
511 | * CPU- or SoC- specific init needed to continue the init sequence. See | |
512 | * board_f.c for where it is called. If this is not provided, a default | |
513 | * version (which does nothing) will be used. | |
514 | */ | |
515 | int arch_cpu_init(void); | |
516 | ||
e2211743 WD |
517 | int checkcpu (void); |
518 | int checkicache (void); | |
519 | int checkdcache (void); | |
520 | void upmconfig (unsigned int, unsigned int *, unsigned int); | |
521 | ulong get_tbclk (void); | |
1fb4dab2 | 522 | void reset_misc (void); |
3ec924a3 | 523 | void reset_cpu (ulong addr); |
6a16e0df | 524 | void ft_cpu_setup(void *blob, bd_t *bd); |
6a16e0df | 525 | void ft_pci_setup(void *blob, bd_t *bd); |
6a16e0df | 526 | |
ba6a1698 AP |
527 | void smp_set_core_boot_addr(unsigned long addr, int corenr); |
528 | void smp_kick_all_cpus(void); | |
e2211743 WD |
529 | |
530 | /* $(CPU)/serial.c */ | |
531 | int serial_init (void); | |
532 | void serial_setbrg (void); | |
533 | void serial_putc (const char); | |
756f586a | 534 | void serial_putc_raw(const char); |
e2211743 | 535 | void serial_puts (const char *); |
e2211743 WD |
536 | int serial_getc (void); |
537 | int serial_tstc (void); | |
538 | ||
539 | /* $(CPU)/speed.c */ | |
540 | int get_clocks (void); | |
e2211743 | 541 | ulong get_bus_freq (ulong); |
550650dd | 542 | int get_serial_clock(void); |
e2211743 | 543 | |
e2211743 | 544 | int cpu_init_r (void); |
e2211743 WD |
545 | |
546 | /* $(CPU)/interrupts.c */ | |
c83bf6a2 WD |
547 | int interrupt_init (void); |
548 | void timer_interrupt (struct pt_regs *); | |
e2211743 WD |
549 | void external_interrupt (struct pt_regs *); |
550 | void irq_install_handler(int, interrupt_handler_t *, void *); | |
551 | void irq_free_handler (int); | |
552 | void reset_timer (void); | |
b2e16a85 SG |
553 | |
554 | /* Return value of monotonic microsecond timer */ | |
555 | unsigned long timer_get_us(void); | |
556 | ||
e2211743 WD |
557 | void enable_interrupts (void); |
558 | int disable_interrupts (void); | |
559 | ||
560 | /* $(CPU)/.../commproc.c */ | |
561 | int dpram_init (void); | |
562 | uint dpram_base(void); | |
563 | uint dpram_base_align(uint align); | |
564 | uint dpram_alloc(uint size); | |
565 | uint dpram_alloc_align(uint size,uint align); | |
bdccc4fe WD |
566 | void bootcount_store (ulong); |
567 | ulong bootcount_load (void); | |
568 | #define BOOTCOUNT_MAGIC 0xB001C041 | |
e2211743 WD |
569 | |
570 | /* $(CPU)/.../<eth> */ | |
c5bded3c | 571 | void mii_init (void); |
e2211743 WD |
572 | |
573 | /* $(CPU)/.../lcd.c */ | |
574 | ulong lcd_setmem (ulong); | |
575 | ||
e2211743 WD |
576 | /* $(CPU)/.../video.c */ |
577 | ulong video_setmem (ulong); | |
578 | ||
ea0364f1 | 579 | /* arch/$(ARCH)/lib/cache.c */ |
cba4b180 | 580 | void enable_caches(void); |
e2211743 | 581 | void flush_cache (unsigned long, unsigned long); |
2c451f78 | 582 | void flush_dcache_all(void); |
03d3bfb0 SR |
583 | void flush_dcache_range(unsigned long start, unsigned long stop); |
584 | void invalidate_dcache_range(unsigned long start, unsigned long stop); | |
2c451f78 A |
585 | void invalidate_dcache_all(void); |
586 | void invalidate_icache_all(void); | |
0db5bca8 | 587 | |
4d24a11e SG |
588 | enum { |
589 | /* Disable caches (else flush caches but leave them active) */ | |
590 | CBL_DISABLE_CACHES = 1 << 0, | |
591 | CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, | |
592 | ||
593 | CBL_ALL = 3, | |
594 | }; | |
595 | ||
596 | /** | |
597 | * Clean up ready for linux | |
598 | * | |
599 | * @param flags Flags to control what is done | |
600 | */ | |
601 | int cleanup_before_linux_select(int flags); | |
602 | ||
ea0364f1 | 603 | /* arch/$(ARCH)/lib/ticks.S */ |
19ea4678 | 604 | uint64_t get_ticks(void); |
e2211743 WD |
605 | void wait_ticks (unsigned long); |
606 | ||
ea0364f1 | 607 | /* arch/$(ARCH)/lib/time.c */ |
e2211743 WD |
608 | ulong usec2ticks (unsigned long usec); |
609 | ulong ticks2usec (unsigned long ticks); | |
e2211743 | 610 | |
78acc472 | 611 | /* lib/gunzip.c */ |
376ddf9d | 612 | int gzip_parse_header(const unsigned char *src, unsigned long len); |
87d93a1b WW |
613 | int gunzip(void *, int, unsigned char *, unsigned long *); |
614 | int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, | |
615 | int stoponerr, int offset); | |
616 | ||
918e9ebb EN |
617 | /** |
618 | * gzwrite progress indicators: defined weak to allow board-specific | |
619 | * overrides: | |
620 | * | |
621 | * gzwrite_progress_init called on startup | |
622 | * gzwrite_progress called during decompress/write loop | |
623 | * gzwrite_progress_finish called at end of loop to | |
624 | * indicate success (retcode=0) or failure | |
625 | */ | |
626 | void gzwrite_progress_init(u64 expected_size); | |
627 | ||
628 | void gzwrite_progress(int iteration, | |
629 | u64 bytes_written, | |
630 | u64 total_bytes); | |
631 | ||
632 | void gzwrite_progress_finish(int retcode, | |
633 | u64 totalwritten, | |
634 | u64 totalsize, | |
635 | u32 expected_crc, | |
636 | u32 calculated_crc); | |
637 | ||
638 | /** | |
639 | * decompress and write gzipped image from memory to block device | |
640 | * | |
641 | * @param src compressed image address | |
642 | * @param len compressed image length in bytes | |
643 | * @param dev block device descriptor | |
644 | * @param szwritebuf bytes per write (pad to erase size) | |
645 | * @param startoffs offset in bytes of first write | |
646 | * @param szexpected expected uncompressed length | |
647 | * may be zero to use gzip trailer | |
648 | * for files under 4GiB | |
649 | */ | |
650 | int gzwrite(unsigned char *src, int len, | |
4101f687 | 651 | struct blk_desc *dev, |
918e9ebb EN |
652 | unsigned long szwritebuf, |
653 | u64 startoffs, | |
654 | u64 szexpected); | |
655 | ||
027b728d JW |
656 | /* lib/lz4_wrapper.c */ |
657 | int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); | |
658 | ||
54c6977e WD |
659 | /* lib/qsort.c */ |
660 | void qsort(void *base, size_t nmemb, size_t size, | |
661 | int(*compar)(const void *, const void *)); | |
560d424b | 662 | int strcmp_compar(const void *, const void *); |
54c6977e | 663 | |
e11938ea | 664 | /* lib/uuid.c */ |
d718ded0 | 665 | #include <uuid.h> |
e11938ea | 666 | |
78acc472 | 667 | /* lib/vsprintf.c */ |
9785c905 | 668 | #include <vsprintf.h> |
e2211743 | 669 | |
78acc472 | 670 | /* lib/strmhz.c */ |
55f7934d | 671 | char * strmhz(char *buf, unsigned long hz); |
0768b7a8 | 672 | |
78acc472 | 673 | /* lib/crc32.c */ |
449609f5 | 674 | #include <u-boot/crc.h> |
e2211743 | 675 | |
9acf1ca5 | 676 | /* lib/rand.c */ |
9acf1ca5 MW |
677 | #define RAND_MAX -1U |
678 | void srand(unsigned int seed); | |
679 | unsigned int rand(void); | |
680 | unsigned int rand_r(unsigned int *seedp); | |
9acf1ca5 | 681 | |
e2211743 WD |
682 | /* |
683 | * STDIO based functions (can always be used) | |
684 | */ | |
e2211743 | 685 | /* serial stuff */ |
d9c27253 | 686 | int serial_printf (const char *fmt, ...) |
dc4b0b38 | 687 | __attribute__ ((format (__printf__, 1, 2))); |
e2211743 | 688 | |
88d52c6a LW |
689 | /* lib/gzip.c */ |
690 | int gzip(void *dst, unsigned long *lenp, | |
691 | unsigned char *src, unsigned long srclen); | |
692 | int zzip(void *dst, unsigned long *lenp, unsigned char *src, | |
693 | unsigned long srclen, int stoponerr, | |
694 | int (*func)(unsigned long, unsigned long)); | |
695 | ||
4ef8d53c JH |
696 | /* lib/net_utils.c */ |
697 | #include <net.h> | |
723806cc | 698 | static inline struct in_addr env_get_ip(char *var) |
4ef8d53c | 699 | { |
00caae6d | 700 | return string_to_ip(env_get(var)); |
4ef8d53c JH |
701 | } |
702 | ||
e2211743 WD |
703 | int pcmcia_init (void); |
704 | ||
2d8d190c | 705 | #ifdef CONFIG_LED_STATUS |
fb364bec WD |
706 | # include <status_led.h> |
707 | #endif | |
097e1783 SG |
708 | |
709 | #include <bootstage.h> | |
e2211743 | 710 | |
48522bb5 JH |
711 | #ifdef CONFIG_SHOW_ACTIVITY |
712 | void show_activity(int arg); | |
713 | #endif | |
714 | ||
fcd3c87e WD |
715 | /* Multicore arch functions */ |
716 | #ifdef CONFIG_MP | |
717 | int cpu_status(int nr); | |
718 | int cpu_reset(int nr); | |
4194b366 | 719 | int cpu_disable(int nr); |
54841ab5 | 720 | int cpu_release(int nr, int argc, char * const argv[]); |
fcd3c87e WD |
721 | #endif |
722 | ||
2a6713b0 AP |
723 | #else /* __ASSEMBLY__ */ |
724 | ||
725 | /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ | |
726 | #define _AC(X, Y) X | |
727 | ||
728 | #endif /* __ASSEMBLY__ */ | |
fcd3c87e WD |
729 | |
730 | /* Put only stuff here that the assembler can digest */ | |
731 | ||
2a6713b0 AP |
732 | /* Declare an unsigned long constant digestable both by C and an assembler. */ |
733 | #define UL(x) _AC(x, UL) | |
734 | ||
fcd3c87e WD |
735 | #ifdef CONFIG_POST |
736 | #define CONFIG_HAS_POST | |
800eb096 MZ |
737 | #ifndef CONFIG_POST_ALT_LIST |
738 | #define CONFIG_POST_STD_LIST | |
739 | #endif | |
fcd3c87e WD |
740 | #endif |
741 | ||
8aa1a2d1 | 742 | #ifdef CONFIG_INIT_CRITICAL |
2f6fa46d | 743 | #error CONFIG_INIT_CRITICAL is deprecated! |
8aa1a2d1 WD |
744 | #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. |
745 | #endif | |
746 | ||
155cfb5e | 747 | #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) |
4b03ac8b | 748 | |
c9689ca3 SG |
749 | /* |
750 | * check_member() - Check the offset of a structure member | |
751 | * | |
752 | * @structure: Name of structure (e.g. global_data) | |
753 | * @member: Name of member (e.g. baudrate) | |
754 | * @offset: Expected offset in bytes | |
755 | */ | |
756 | #define check_member(structure, member, offset) _Static_assert( \ | |
757 | offsetof(struct structure, member) == offset, \ | |
758 | "`struct " #structure "` offset for `" #member "` is not " #offset) | |
759 | ||
476476e7 SG |
760 | /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ |
761 | #ifdef CONFIG_EFI_STUB | |
762 | #define ll_boot_init() false | |
763 | #else | |
764 | #define ll_boot_init() true | |
765 | #endif | |
766 | ||
c3eb3fe4 MF |
767 | /* Pull in stuff for the build system */ |
768 | #ifdef DO_DEPS_ONLY | |
769 | # include <environment.h> | |
770 | #endif | |
771 | ||
e2211743 | 772 | #endif /* __COMMON_H_ */ |