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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> |
5bc516ed | 26 | #include <linux/delay.h> |
e2211743 WD |
27 | #include <linux/types.h> |
28 | #include <linux/string.h> | |
9aed5080 | 29 | #include <linux/stringify.h> |
e2211743 WD |
30 | #include <asm/ptrace.h> |
31 | #include <stdarg.h> | |
cba1da49 | 32 | #include <linux/kernel.h> |
85043159 | 33 | |
e2211743 WD |
34 | #include <part.h> |
35 | #include <flash.h> | |
36 | #include <image.h> | |
37 | ||
4166ecb2 GB |
38 | /* Bring in printf format macros if inttypes.h is included */ |
39 | #define __STDC_FORMAT_MACROS | |
40 | ||
4d1fd7f1 YS |
41 | #ifdef __LP64__ |
42 | #define CONFIG_SYS_SUPPORT_64BIT_DATA | |
43 | #endif | |
44 | ||
21726a7a | 45 | #ifdef DEBUG |
88a85fb9 | 46 | #define _DEBUG 1 |
21726a7a | 47 | #else |
88a85fb9 | 48 | #define _DEBUG 0 |
21726a7a SG |
49 | #endif |
50 | ||
98286826 SG |
51 | #ifdef CONFIG_SPL_BUILD |
52 | #define _SPL_BUILD 1 | |
53 | #else | |
54 | #define _SPL_BUILD 0 | |
55 | #endif | |
56 | ||
5e7f7433 | 57 | /* Define this at the top of a file to add a prefix to debug messages */ |
be25d875 TR |
58 | #ifndef pr_fmt |
59 | #define pr_fmt(fmt) fmt | |
60 | #endif | |
61 | ||
88a85fb9 MV |
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 | */ | |
be25d875 TR |
67 | #define debug_cond(cond, fmt, args...) \ |
68 | do { \ | |
69 | if (cond) \ | |
70 | printf(pr_fmt(fmt), ##args); \ | |
88a85fb9 MV |
71 | } while (0) |
72 | ||
5e7f7433 | 73 | /* Show a message if DEBUG is defined in a file */ |
88a85fb9 MV |
74 | #define debug(fmt, args...) \ |
75 | debug_cond(_DEBUG, fmt, ##args) | |
76 | ||
98286826 SG |
77 | /* Show a message if not in SPL */ |
78 | #define warn_non_spl(fmt, args...) \ | |
79 | debug_cond(!_SPL_BUILD, fmt, ##args) | |
80 | ||
21726a7a SG |
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 | ||
594d57d0 | 96 | #define error(fmt, args...) do { \ |
be25d875 | 97 | printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ |
594d57d0 MK |
98 | ##args, __FILE__, __LINE__, __func__); \ |
99 | } while (0) | |
100 | ||
cfa460ad | 101 | #ifndef BUG |
43835aac | 102 | #define BUG() do { \ |
511d0c72 | 103 | printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ |
43835aac DZ |
104 | panic("BUG!"); \ |
105 | } while (0) | |
106 | #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) | |
cfa460ad | 107 | #endif /* BUG */ |
43835aac | 108 | |
c83bf6a2 | 109 | typedef void (interrupt_handler_t)(void *); |
e2211743 | 110 | |
c83bf6a2 | 111 | #include <asm/u-boot.h> /* boot information for Linux kernel */ |
e2211743 WD |
112 | #include <asm/global_data.h> /* global data used for startup functions */ |
113 | ||
3fbeeea6 HS |
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 | |
c7de829c | 123 | |
e2211743 WD |
124 | /* |
125 | * Function Prototypes | |
126 | */ | |
0267ba5d | 127 | int dram_init(void); |
e2211743 | 128 | |
5e924a13 SG |
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 | ||
c83bf6a2 | 146 | void hang (void) __attribute__ ((noreturn)); |
e2211743 | 147 | |
f6c019c4 WD |
148 | int timer_init(void); |
149 | int cpu_init(void); | |
150 | ||
2ea09c83 | 151 | #include <display_options.h> |
e2211743 WD |
152 | |
153 | /* common/main.c */ | |
154 | void main_loop (void); | |
009dde19 | 155 | int run_command(const char *cmd, int flag); |
1d43bfd2 | 156 | int run_command_repeatable(const char *cmd, int flag); |
d51004a8 SG |
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); | |
e2211743 | 170 | |
ea0364f1 | 171 | /* arch/$(ARCH)/lib/board.c */ |
0365ffcc MY |
172 | void board_init_f(ulong); |
173 | void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); | |
1fed87db SG |
174 | |
175 | /** | |
ecc30663 | 176 | * ulong board_init_f_alloc_reserve - allocate reserved area |
1fed87db SG |
177 | * |
178 | * This function is called by each architecture very early in the start-up | |
ecc30663 AA |
179 | * code to allow the C runtime to reserve space on the stack for writable |
180 | * 'globals' such as GD and the malloc arena. | |
1fed87db | 181 | * |
ecc30663 AA |
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) | |
1fed87db | 189 | * |
ecc30663 AA |
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. | |
1fed87db | 192 | * |
ecc30663 | 193 | * @base: top from which reservation was done |
1fed87db | 194 | */ |
ecc30663 | 195 | void board_init_f_init_reserve(ulong base); |
1fed87db SG |
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 | ||
0365ffcc MY |
211 | int checkboard(void); |
212 | int show_board_info(void); | |
213 | int checkflash(void); | |
214 | int checkdram(void); | |
215 | int last_stage_init(void); | |
3b57fe0a | 216 | extern ulong monitor_flash_len; |
bea3f28d | 217 | int mac_read_from_eeprom(void); |
6ab6b2af | 218 | extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ |
8f5d4687 | 219 | int set_cpu_clk_info(void); |
9272a9b4 | 220 | int mdm_init(void); |
1938f4a5 | 221 | int print_cpuinfo(void); |
c2240d4d | 222 | int update_flash_size(int flash_size); |
2c072c95 | 223 | int arch_early_init_r(void); |
e2211743 | 224 | |
e5fb573f SG |
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 | ||
671549e5 SG |
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 | ||
d4c671cc SG |
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 | ||
68145d4c AB |
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 | ||
15a33e49 SG |
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 | */ | |
ea11b401 | 277 | void board_show_dram(phys_size_t size); |
15a33e49 | 278 | |
13d06981 | 279 | /** |
e29607ed | 280 | * arch_fixup_fdt() - Write arch-specific information to fdt |
13d06981 | 281 | * |
e29607ed | 282 | * Defined in arch/$(ARCH)/lib/bootm-fdt.c |
13d06981 SG |
283 | * |
284 | * @blob: FDT blob to write to | |
285 | * @return 0 if ok, or -ve FDT_ERR_... on failure | |
286 | */ | |
e29607ed | 287 | int arch_fixup_fdt(void *blob); |
13d06981 | 288 | |
60873f73 | 289 | int reserve_mmu(void); |
e2211743 WD |
290 | /* common/flash.c */ |
291 | void flash_perror (int); | |
292 | ||
74de7aef WD |
293 | /* common/cmd_source.c */ |
294 | int source (ulong addr, const char *fit_uname); | |
e2211743 | 295 | |
c83bf6a2 | 296 | extern ulong load_addr; /* Default Load Address */ |
1aec244a SG |
297 | extern ulong save_addr; /* Default Save Address */ |
298 | extern ulong save_size; /* Default Save Size */ | |
e2211743 | 299 | |
06283a64 JH |
300 | /* common/cmd_net.c */ |
301 | int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); | |
302 | ||
669df7e4 RH |
303 | /* common/cmd_fat.c */ |
304 | int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); | |
305 | ||
306 | /* common/cmd_ext2.c */ | |
307 | int do_ext2load(cmd_tbl_t *, int, int, char * const []); | |
308 | ||
e2211743 WD |
309 | /* common/cmd_nvedit.c */ |
310 | int env_init (void); | |
311 | void env_relocate (void); | |
26a41790 | 312 | int envmatch (uchar *, int); |
20f86a0a | 313 | |
00caae6d SG |
314 | /** |
315 | * env_get() - Look up the value of an environment variable | |
316 | * | |
317 | * In U-Boot proper this can be called before relocation (which is when the | |
318 | * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that | |
319 | * case this function calls env_get_f(). | |
320 | * | |
321 | * @varname: Variable to look up | |
322 | * @return value of variable, or NULL if not found | |
323 | */ | |
324 | char *env_get(const char *varname); | |
325 | ||
326 | /** | |
327 | * env_get_f() - Look up the value of an environment variable (early) | |
328 | * | |
329 | * This function is called from env_get() if the environment has not been | |
330 | * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will | |
331 | * support reading the value (slowly) and some will not. | |
332 | * | |
333 | * @varname: Variable to look up | |
334 | * @return value of variable, or NULL if not found | |
335 | */ | |
336 | int env_get_f(const char *name, char *buf, unsigned len); | |
337 | ||
4a9b4131 | 338 | ulong getenv_ulong(const char *name, int base, ulong default_val); |
76b8f79c SG |
339 | |
340 | /** | |
341 | * getenv_hex() - Return an environment variable as a hex value | |
342 | * | |
343 | * Decode an environment as a hex number (it may or may not have a 0x | |
344 | * prefix). If the environment variable cannot be found, or does not start | |
345 | * with hex digits, the default value is returned. | |
346 | * | |
347 | * @varname: Variable to decode | |
348 | * @default_val: Value to return on error | |
349 | */ | |
350 | ulong getenv_hex(const char *varname, ulong default_val); | |
351 | ||
ec8a252c JH |
352 | /* |
353 | * Read an environment variable as a boolean | |
354 | * Return -1 if variable does not exist (default to true) | |
355 | */ | |
356 | int getenv_yesno(const char *var); | |
382bee57 SG |
357 | |
358 | /** | |
359 | * env_set() - set an environment variable | |
360 | * | |
361 | * This sets or deletes the value of an environment variable. For setting the | |
362 | * value the variable is created if it does not already exist. | |
363 | * | |
364 | * @varname: Variable to adjust | |
365 | * @value: Value to set for the variable, or NULL or "" to delete the variable | |
366 | * @return 0 if OK, 1 on error | |
367 | */ | |
368 | int env_set(const char *varname, const char *value); | |
369 | ||
bfc59966 | 370 | /** |
018f5303 SG |
371 | * env_set_ulong() - set an environment variable to an integer |
372 | * | |
373 | * @varname: Variable to adjust | |
374 | * @value: Value to set for the variable (will be converted to a string) | |
375 | * @return 0 if OK, 1 on error | |
376 | */ | |
377 | int env_set_ulong(const char *varname, ulong value); | |
378 | ||
379 | /** | |
380 | * env_set_hex() - set an environment variable to a hex value | |
381 | * | |
382 | * @varname: Variable to adjust | |
383 | * @value: Value to set for the variable (will be converted to a hex string) | |
384 | * @return 0 if OK, 1 on error | |
385 | */ | |
386 | int env_set_hex(const char *varname, ulong value); | |
387 | ||
388 | /** | |
389 | * env_set_addr - Set an environment variable to an address in hex | |
bfc59966 | 390 | * |
1bce2aeb | 391 | * @varname: Environment variable to set |
bfc59966 SG |
392 | * @addr: Value to set it to |
393 | * @return 0 if ok, 1 on error | |
394 | */ | |
018f5303 | 395 | static inline int env_set_addr(const char *varname, const void *addr) |
bfc59966 | 396 | { |
018f5303 | 397 | return env_set_hex(varname, (ulong)addr); |
bfc59966 SG |
398 | } |
399 | ||
04a85b3b WD |
400 | #ifdef CONFIG_AUTO_COMPLETE |
401 | int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); | |
402 | #endif | |
2f70c49e | 403 | int get_env_id (void); |
04a85b3b | 404 | |
c83bf6a2 WD |
405 | void pci_init (void); |
406 | void pci_init_board(void); | |
e2211743 | 407 | |
af9e6ad4 CJF |
408 | #if defined(CONFIG_DTB_RESELECT) |
409 | int embedded_dtb_select(void); | |
410 | #endif | |
411 | ||
e2211743 WD |
412 | int misc_init_f (void); |
413 | int misc_init_r (void); | |
414 | ||
27b207fd WD |
415 | /* common/exports.c */ |
416 | void jumptable_init(void); | |
417 | ||
ecb1dc89 MF |
418 | /* common/kallsysm.c */ |
419 | const char *symbol_lookup(unsigned long addr, unsigned long *caddr); | |
420 | ||
c83bf6a2 | 421 | /* common/memsize.c */ |
a55d23cc | 422 | long get_ram_size (long *, long); |
e3866163 | 423 | phys_size_t get_effective_memsize(void); |
c83bf6a2 | 424 | |
e2211743 WD |
425 | /* $(BOARD)/$(BOARD).c */ |
426 | void reset_phy (void); | |
c83bf6a2 | 427 | void fdc_hw_init (void); |
e2211743 WD |
428 | |
429 | /* $(BOARD)/eeprom.c */ | |
eb5ba3ae | 430 | #ifdef CONFIG_CMD_EEPROM |
354e3ed7 | 431 | void eeprom_init (int bus); |
e2211743 WD |
432 | int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); |
433 | int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); | |
eb5ba3ae SG |
434 | #else |
435 | /* | |
436 | * Some EEPROM code is depecated because it used the legacy I2C interface. Add | |
437 | * some macros here so we don't have to touch every one of those uses | |
438 | */ | |
439 | #define eeprom_init(bus) | |
440 | #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) | |
441 | #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) | |
442 | #endif | |
e2211743 WD |
443 | |
444 | /* | |
445 | * Set this up regardless of board | |
446 | * type, to prevent errors. | |
447 | */ | |
6d0f6bcf JCPV |
448 | #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) |
449 | # define CONFIG_SYS_DEF_EEPROM_ADDR 0 | |
e2211743 | 450 | #else |
548738b4 | 451 | #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) |
6d0f6bcf | 452 | # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR |
548738b4 | 453 | #endif |
6d0f6bcf | 454 | #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ |
e2211743 | 455 | |
bdccc4fe | 456 | #if defined(CONFIG_SPI) |
e2211743 WD |
457 | extern void spi_init_f (void); |
458 | extern void spi_init_r (void); | |
c83bf6a2 | 459 | extern ssize_t spi_read (uchar *, int, uchar *, int); |
e2211743 WD |
460 | extern ssize_t spi_write (uchar *, int, uchar *, int); |
461 | #endif | |
462 | ||
e2211743 | 463 | /* $(BOARD)/$(BOARD).c */ |
c837dcb1 | 464 | int board_early_init_f (void); |
2a792753 | 465 | int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ |
c837dcb1 | 466 | int board_late_init (void); |
e2211743 | 467 | int board_postclk_init (void); /* after clocks/timebase, before env/serial */ |
c837dcb1 | 468 | int board_early_init_r (void); |
e2211743 WD |
469 | void board_poweroff (void); |
470 | ||
6d0f6bcf | 471 | #if defined(CONFIG_SYS_DRAM_TEST) |
e2211743 | 472 | int testdram(void); |
6d0f6bcf | 473 | #endif /* CONFIG_SYS_DRAM_TEST */ |
e2211743 WD |
474 | |
475 | /* $(CPU)/start.S */ | |
e2211743 WD |
476 | int icache_status (void); |
477 | void icache_enable (void); | |
478 | void icache_disable(void); | |
479 | int dcache_status (void); | |
480 | void dcache_enable (void); | |
481 | void dcache_disable(void); | |
2c451f78 | 482 | void mmu_disable(void); |
5c6db120 BT |
483 | #if defined(CONFIG_ARM) |
484 | void relocate_code(ulong); | |
485 | #else | |
486 | void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); | |
959eaa74 | 487 | #endif |
e2211743 WD |
488 | ulong get_endaddr (void); |
489 | void trap_init (ulong); | |
6e2941d7 | 490 | |
e2211743 | 491 | /* $(CPU)/cpu.c */ |
fbb9ecf7 TT |
492 | static inline int cpumask_next(int cpu, unsigned int mask) |
493 | { | |
494 | for (cpu++; !((1 << cpu) & mask); cpu++) | |
495 | ; | |
496 | ||
497 | return cpu; | |
498 | } | |
499 | ||
500 | #define for_each_cpu(iter, cpu, num_cpus, mask) \ | |
501 | for (iter = 0, cpu = cpumask_next(-1, mask); \ | |
502 | iter < num_cpus; \ | |
503 | iter++, cpu = cpumask_next(cpu, mask)) \ | |
504 | ||
0e870980 | 505 | int cpu_numcores (void); |
b8bf0adc | 506 | int cpu_num_dspcores(void); |
fbb9ecf7 | 507 | u32 cpu_mask (void); |
b8bf0adc | 508 | u32 cpu_dsp_mask(void); |
fbb9ecf7 | 509 | int is_core_valid (unsigned int); |
cbcbf71b SG |
510 | |
511 | /** | |
512 | * arch_cpu_init() - basic cpu-dependent setup for an architecture | |
513 | * | |
514 | * This is called after early malloc is available. It should handle any | |
515 | * CPU- or SoC- specific init needed to continue the init sequence. See | |
516 | * board_f.c for where it is called. If this is not provided, a default | |
517 | * version (which does nothing) will be used. | |
518 | */ | |
519 | int arch_cpu_init(void); | |
520 | ||
e2211743 WD |
521 | int checkcpu (void); |
522 | int checkicache (void); | |
523 | int checkdcache (void); | |
524 | void upmconfig (unsigned int, unsigned int *, unsigned int); | |
525 | ulong get_tbclk (void); | |
1fb4dab2 | 526 | void reset_misc (void); |
3ec924a3 | 527 | void reset_cpu (ulong addr); |
6a16e0df | 528 | void ft_cpu_setup(void *blob, bd_t *bd); |
6a16e0df | 529 | void ft_pci_setup(void *blob, bd_t *bd); |
6a16e0df | 530 | |
ba6a1698 AP |
531 | void smp_set_core_boot_addr(unsigned long addr, int corenr); |
532 | void smp_kick_all_cpus(void); | |
e2211743 WD |
533 | |
534 | /* $(CPU)/serial.c */ | |
535 | int serial_init (void); | |
536 | void serial_setbrg (void); | |
537 | void serial_putc (const char); | |
756f586a | 538 | void serial_putc_raw(const char); |
e2211743 | 539 | void serial_puts (const char *); |
e2211743 WD |
540 | int serial_getc (void); |
541 | int serial_tstc (void); | |
542 | ||
543 | /* $(CPU)/speed.c */ | |
544 | int get_clocks (void); | |
e2211743 | 545 | ulong get_bus_freq (ulong); |
550650dd | 546 | int get_serial_clock(void); |
e2211743 | 547 | |
e2211743 | 548 | int cpu_init_r (void); |
e2211743 WD |
549 | |
550 | /* $(CPU)/interrupts.c */ | |
c83bf6a2 WD |
551 | int interrupt_init (void); |
552 | void timer_interrupt (struct pt_regs *); | |
e2211743 WD |
553 | void external_interrupt (struct pt_regs *); |
554 | void irq_install_handler(int, interrupt_handler_t *, void *); | |
555 | void irq_free_handler (int); | |
556 | void reset_timer (void); | |
b2e16a85 SG |
557 | |
558 | /* Return value of monotonic microsecond timer */ | |
559 | unsigned long timer_get_us(void); | |
560 | ||
e2211743 WD |
561 | void enable_interrupts (void); |
562 | int disable_interrupts (void); | |
563 | ||
564 | /* $(CPU)/.../commproc.c */ | |
565 | int dpram_init (void); | |
566 | uint dpram_base(void); | |
567 | uint dpram_base_align(uint align); | |
568 | uint dpram_alloc(uint size); | |
569 | uint dpram_alloc_align(uint size,uint align); | |
bdccc4fe WD |
570 | void bootcount_store (ulong); |
571 | ulong bootcount_load (void); | |
572 | #define BOOTCOUNT_MAGIC 0xB001C041 | |
e2211743 WD |
573 | |
574 | /* $(CPU)/.../<eth> */ | |
c5bded3c | 575 | void mii_init (void); |
e2211743 WD |
576 | |
577 | /* $(CPU)/.../lcd.c */ | |
578 | ulong lcd_setmem (ulong); | |
579 | ||
e2211743 WD |
580 | /* $(CPU)/.../video.c */ |
581 | ulong video_setmem (ulong); | |
582 | ||
ea0364f1 | 583 | /* arch/$(ARCH)/lib/cache.c */ |
cba4b180 | 584 | void enable_caches(void); |
e2211743 | 585 | void flush_cache (unsigned long, unsigned long); |
2c451f78 | 586 | void flush_dcache_all(void); |
03d3bfb0 SR |
587 | void flush_dcache_range(unsigned long start, unsigned long stop); |
588 | void invalidate_dcache_range(unsigned long start, unsigned long stop); | |
2c451f78 A |
589 | void invalidate_dcache_all(void); |
590 | void invalidate_icache_all(void); | |
0db5bca8 | 591 | |
4d24a11e SG |
592 | enum { |
593 | /* Disable caches (else flush caches but leave them active) */ | |
594 | CBL_DISABLE_CACHES = 1 << 0, | |
595 | CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, | |
596 | ||
597 | CBL_ALL = 3, | |
598 | }; | |
599 | ||
600 | /** | |
601 | * Clean up ready for linux | |
602 | * | |
603 | * @param flags Flags to control what is done | |
604 | */ | |
605 | int cleanup_before_linux_select(int flags); | |
606 | ||
ea0364f1 | 607 | /* arch/$(ARCH)/lib/ticks.S */ |
19ea4678 | 608 | uint64_t get_ticks(void); |
e2211743 WD |
609 | void wait_ticks (unsigned long); |
610 | ||
ea0364f1 | 611 | /* arch/$(ARCH)/lib/time.c */ |
e2211743 WD |
612 | ulong usec2ticks (unsigned long usec); |
613 | ulong ticks2usec (unsigned long ticks); | |
e2211743 | 614 | |
78acc472 | 615 | /* lib/gunzip.c */ |
87d93a1b WW |
616 | int gunzip(void *, int, unsigned char *, unsigned long *); |
617 | int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, | |
618 | int stoponerr, int offset); | |
619 | ||
918e9ebb EN |
620 | /** |
621 | * gzwrite progress indicators: defined weak to allow board-specific | |
622 | * overrides: | |
623 | * | |
624 | * gzwrite_progress_init called on startup | |
625 | * gzwrite_progress called during decompress/write loop | |
626 | * gzwrite_progress_finish called at end of loop to | |
627 | * indicate success (retcode=0) or failure | |
628 | */ | |
629 | void gzwrite_progress_init(u64 expected_size); | |
630 | ||
631 | void gzwrite_progress(int iteration, | |
632 | u64 bytes_written, | |
633 | u64 total_bytes); | |
634 | ||
635 | void gzwrite_progress_finish(int retcode, | |
636 | u64 totalwritten, | |
637 | u64 totalsize, | |
638 | u32 expected_crc, | |
639 | u32 calculated_crc); | |
640 | ||
641 | /** | |
642 | * decompress and write gzipped image from memory to block device | |
643 | * | |
644 | * @param src compressed image address | |
645 | * @param len compressed image length in bytes | |
646 | * @param dev block device descriptor | |
647 | * @param szwritebuf bytes per write (pad to erase size) | |
648 | * @param startoffs offset in bytes of first write | |
649 | * @param szexpected expected uncompressed length | |
650 | * may be zero to use gzip trailer | |
651 | * for files under 4GiB | |
652 | */ | |
653 | int gzwrite(unsigned char *src, int len, | |
4101f687 | 654 | struct blk_desc *dev, |
918e9ebb EN |
655 | unsigned long szwritebuf, |
656 | u64 startoffs, | |
657 | u64 szexpected); | |
658 | ||
027b728d JW |
659 | /* lib/lz4_wrapper.c */ |
660 | int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); | |
661 | ||
54c6977e WD |
662 | /* lib/qsort.c */ |
663 | void qsort(void *base, size_t nmemb, size_t size, | |
664 | int(*compar)(const void *, const void *)); | |
560d424b | 665 | int strcmp_compar(const void *, const void *); |
54c6977e | 666 | |
e11938ea | 667 | /* lib/uuid.c */ |
d718ded0 | 668 | #include <uuid.h> |
e11938ea | 669 | |
78acc472 | 670 | /* lib/vsprintf.c */ |
9785c905 | 671 | #include <vsprintf.h> |
e2211743 | 672 | |
78acc472 | 673 | /* lib/strmhz.c */ |
55f7934d | 674 | char * strmhz(char *buf, unsigned long hz); |
0768b7a8 | 675 | |
78acc472 | 676 | /* lib/crc32.c */ |
449609f5 | 677 | #include <u-boot/crc.h> |
e2211743 | 678 | |
9acf1ca5 | 679 | /* lib/rand.c */ |
9acf1ca5 MW |
680 | #define RAND_MAX -1U |
681 | void srand(unsigned int seed); | |
682 | unsigned int rand(void); | |
683 | unsigned int rand_r(unsigned int *seedp); | |
9acf1ca5 | 684 | |
e2211743 WD |
685 | /* |
686 | * STDIO based functions (can always be used) | |
687 | */ | |
e2211743 | 688 | /* serial stuff */ |
d9c27253 | 689 | int serial_printf (const char *fmt, ...) |
dc4b0b38 | 690 | __attribute__ ((format (__printf__, 1, 2))); |
e2211743 WD |
691 | /* stdin */ |
692 | int getc(void); | |
693 | int tstc(void); | |
694 | ||
695 | /* stdout */ | |
76f1f388 SG |
696 | #if !defined(CONFIG_SPL_BUILD) || \ |
697 | (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ | |
698 | (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ | |
699 | defined(CONFIG_SPL_SERIAL_SUPPORT)) | |
e2211743 WD |
700 | void putc(const char c); |
701 | void puts(const char *s); | |
d9c27253 | 702 | int printf(const char *fmt, ...) |
dc4b0b38 | 703 | __attribute__ ((format (__printf__, 1, 2))); |
d9c27253 | 704 | int vprintf(const char *fmt, va_list args); |
76f1f388 SG |
705 | #else |
706 | #define putc(...) do { } while (0) | |
707 | #define puts(...) do { } while (0) | |
708 | #define printf(...) do { } while (0) | |
709 | #define vprintf(...) do { } while (0) | |
80402f34 | 710 | #endif |
e2211743 WD |
711 | |
712 | /* stderr */ | |
713 | #define eputc(c) fputc(stderr, c) | |
714 | #define eputs(s) fputs(stderr, s) | |
715 | #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) | |
716 | ||
717 | /* | |
718 | * FILE based functions (can only be used AFTER relocation!) | |
719 | */ | |
e2211743 WD |
720 | #define stdin 0 |
721 | #define stdout 1 | |
722 | #define stderr 2 | |
723 | #define MAX_FILES 3 | |
724 | ||
d9c27253 | 725 | int fprintf(int file, const char *fmt, ...) |
dc4b0b38 | 726 | __attribute__ ((format (__printf__, 2, 3))); |
e2211743 WD |
727 | void fputs(int file, const char *s); |
728 | void fputc(int file, const char c); | |
729 | int ftstc(int file); | |
730 | int fgetc(int file); | |
731 | ||
88d52c6a LW |
732 | /* lib/gzip.c */ |
733 | int gzip(void *dst, unsigned long *lenp, | |
734 | unsigned char *src, unsigned long srclen); | |
735 | int zzip(void *dst, unsigned long *lenp, unsigned char *src, | |
736 | unsigned long srclen, int stoponerr, | |
737 | int (*func)(unsigned long, unsigned long)); | |
738 | ||
4ef8d53c JH |
739 | /* lib/net_utils.c */ |
740 | #include <net.h> | |
049a95a7 | 741 | static inline struct in_addr getenv_ip(char *var) |
4ef8d53c | 742 | { |
00caae6d | 743 | return string_to_ip(env_get(var)); |
4ef8d53c JH |
744 | } |
745 | ||
e2211743 WD |
746 | int pcmcia_init (void); |
747 | ||
2d8d190c | 748 | #ifdef CONFIG_LED_STATUS |
fb364bec WD |
749 | # include <status_led.h> |
750 | #endif | |
097e1783 SG |
751 | |
752 | #include <bootstage.h> | |
e2211743 | 753 | |
48522bb5 JH |
754 | #ifdef CONFIG_SHOW_ACTIVITY |
755 | void show_activity(int arg); | |
756 | #endif | |
757 | ||
fcd3c87e WD |
758 | /* Multicore arch functions */ |
759 | #ifdef CONFIG_MP | |
760 | int cpu_status(int nr); | |
761 | int cpu_reset(int nr); | |
4194b366 | 762 | int cpu_disable(int nr); |
54841ab5 | 763 | int cpu_release(int nr, int argc, char * const argv[]); |
fcd3c87e WD |
764 | #endif |
765 | ||
2a6713b0 AP |
766 | #else /* __ASSEMBLY__ */ |
767 | ||
768 | /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ | |
769 | #define _AC(X, Y) X | |
770 | ||
771 | #endif /* __ASSEMBLY__ */ | |
fcd3c87e WD |
772 | |
773 | /* Put only stuff here that the assembler can digest */ | |
774 | ||
2a6713b0 AP |
775 | /* Declare an unsigned long constant digestable both by C and an assembler. */ |
776 | #define UL(x) _AC(x, UL) | |
777 | ||
fcd3c87e WD |
778 | #ifdef CONFIG_POST |
779 | #define CONFIG_HAS_POST | |
800eb096 MZ |
780 | #ifndef CONFIG_POST_ALT_LIST |
781 | #define CONFIG_POST_STD_LIST | |
782 | #endif | |
fcd3c87e WD |
783 | #endif |
784 | ||
8aa1a2d1 | 785 | #ifdef CONFIG_INIT_CRITICAL |
2f6fa46d | 786 | #error CONFIG_INIT_CRITICAL is deprecated! |
8aa1a2d1 WD |
787 | #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. |
788 | #endif | |
789 | ||
155cfb5e | 790 | #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) |
4b03ac8b | 791 | |
c9689ca3 SG |
792 | /* |
793 | * check_member() - Check the offset of a structure member | |
794 | * | |
795 | * @structure: Name of structure (e.g. global_data) | |
796 | * @member: Name of member (e.g. baudrate) | |
797 | * @offset: Expected offset in bytes | |
798 | */ | |
799 | #define check_member(structure, member, offset) _Static_assert( \ | |
800 | offsetof(struct structure, member) == offset, \ | |
801 | "`struct " #structure "` offset for `" #member "` is not " #offset) | |
802 | ||
476476e7 SG |
803 | /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ |
804 | #ifdef CONFIG_EFI_STUB | |
805 | #define ll_boot_init() false | |
806 | #else | |
807 | #define ll_boot_init() true | |
808 | #endif | |
809 | ||
c3eb3fe4 MF |
810 | /* Pull in stuff for the build system */ |
811 | #ifdef DO_DEPS_ONLY | |
812 | # include <environment.h> | |
813 | #endif | |
814 | ||
e2211743 | 815 | #endif /* __COMMON_H_ */ |