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 #ifdef CONFIG_SOC_DA8XX 35 #include <asm/arch/hardware.h> 36 #endif 37 #ifdef CONFIG_FSL_LSCH3 38 #include <asm/arch/immap_lsch3.h> 39 #endif 40 #ifdef CONFIG_FSL_LSCH2 41 #include <asm/arch/immap_lsch2.h> 42 #endif 43 44 #include <part.h> 45 #include <flash.h> 46 #include <image.h> 47 48 /* Bring in printf format macros if inttypes.h is included */ 49 #define __STDC_FORMAT_MACROS 50 51 #ifdef __LP64__ 52 #define CONFIG_SYS_SUPPORT_64BIT_DATA 53 #endif 54 55 #ifdef DEBUG 56 #define _DEBUG 1 57 #else 58 #define _DEBUG 0 59 #endif 60 61 #ifdef CONFIG_SPL_BUILD 62 #define _SPL_BUILD 1 63 #else 64 #define _SPL_BUILD 0 65 #endif 66 67 /* Define this at the top of a file to add a prefix to debug messages */ 68 #ifndef pr_fmt 69 #define pr_fmt(fmt) fmt 70 #endif 71 72 /* 73 * Output a debug text when condition "cond" is met. The "cond" should be 74 * computed by a preprocessor in the best case, allowing for the best 75 * optimization. 76 */ 77 #define debug_cond(cond, fmt, args...) \ 78 do { \ 79 if (cond) \ 80 printf(pr_fmt(fmt), ##args); \ 81 } while (0) 82 83 /* Show a message if DEBUG is defined in a file */ 84 #define debug(fmt, args...) \ 85 debug_cond(_DEBUG, fmt, ##args) 86 87 /* Show a message if not in SPL */ 88 #define warn_non_spl(fmt, args...) \ 89 debug_cond(!_SPL_BUILD, fmt, ##args) 90 91 /* 92 * An assertion is run-time check done in debug mode only. If DEBUG is not 93 * defined then it is skipped. If DEBUG is defined and the assertion fails, 94 * then it calls panic*( which may or may not reset/halt U-Boot (see 95 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 96 * before release, and after release it is hoped that they don't matter. But 97 * in any case these failing assertions cannot be fixed with a reset (which 98 * may just do the same assertion again). 99 */ 100 void __assert_fail(const char *assertion, const char *file, unsigned line, 101 const char *function); 102 #define assert(x) \ 103 ({ if (!(x) && _DEBUG) \ 104 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 105 106 #define error(fmt, args...) do { \ 107 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 108 ##args, __FILE__, __LINE__, __func__); \ 109 } while (0) 110 111 #ifndef BUG 112 #define BUG() do { \ 113 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 114 panic("BUG!"); \ 115 } while (0) 116 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 117 #endif /* BUG */ 118 119 typedef void (interrupt_handler_t)(void *); 120 121 #include <asm/u-boot.h> /* boot information for Linux kernel */ 122 #include <asm/global_data.h> /* global data used for startup functions */ 123 124 /* 125 * enable common handling for all TQM8xxL/M boards: 126 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 127 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 128 * and for the TQM885D board 129 */ 130 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 131 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 132 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 133 # ifndef CONFIG_TQM8xxM 134 # define CONFIG_TQM8xxM 135 # endif 136 #endif 137 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 138 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 139 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 140 defined(CONFIG_TQM885D) 141 # ifndef CONFIG_TQM8xxL 142 # define CONFIG_TQM8xxL 143 # endif 144 #endif 145 146 #if defined(CONFIG_ENV_IS_EMBEDDED) 147 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 148 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 149 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 150 defined(CONFIG_ENV_IS_IN_NVRAM) 151 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 152 #else 153 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 154 #endif 155 156 /* 157 * Function Prototypes 158 */ 159 int dram_init(void); 160 161 /** 162 * dram_init_banksize() - Set up DRAM bank sizes 163 * 164 * This can be implemented by boards to set up the DRAM bank information in 165 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 166 * is called. 167 * 168 * If this is not provided, a default implementation will try to set up a 169 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 170 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 171 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 172 * get_effective_memsize(). 173 * 174 * @return 0 if OK, -ve on error 175 */ 176 int dram_init_banksize(void); 177 178 void hang (void) __attribute__ ((noreturn)); 179 180 int timer_init(void); 181 int cpu_init(void); 182 183 #include <display_options.h> 184 185 /* common/main.c */ 186 void main_loop (void); 187 int run_command(const char *cmd, int flag); 188 int run_command_repeatable(const char *cmd, int flag); 189 190 /** 191 * Run a list of commands separated by ; or even \0 192 * 193 * Note that if 'len' is not -1, then the command does not need to be nul 194 * terminated, Memory will be allocated for the command in that case. 195 * 196 * @param cmd List of commands to run, each separated bu semicolon 197 * @param len Length of commands excluding terminator if known (-1 if not) 198 * @param flag Execution flags (CMD_FLAG_...) 199 * @return 0 on success, or != 0 on error. 200 */ 201 int run_command_list(const char *cmd, int len, int flag); 202 203 /* arch/$(ARCH)/lib/board.c */ 204 void board_init_f(ulong); 205 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 206 207 /** 208 * ulong board_init_f_alloc_reserve - allocate reserved area 209 * 210 * This function is called by each architecture very early in the start-up 211 * code to allow the C runtime to reserve space on the stack for writable 212 * 'globals' such as GD and the malloc arena. 213 * 214 * @top: top of the reserve area, growing down. 215 * @return: bottom of reserved area 216 */ 217 ulong board_init_f_alloc_reserve(ulong top); 218 219 /** 220 * board_init_f_init_reserve - initialize the reserved area(s) 221 * 222 * This function is called once the C runtime has allocated the reserved 223 * area on the stack. It must initialize the GD at the base of that area. 224 * 225 * @base: top from which reservation was done 226 */ 227 void board_init_f_init_reserve(ulong base); 228 229 /** 230 * arch_setup_gd() - Set up the global_data pointer 231 * 232 * This pointer is special in some architectures and cannot easily be assigned 233 * to. For example on x86 it is implemented by adding a specific record to its 234 * Global Descriptor Table! So we we provide a function to carry out this task. 235 * For most architectures this can simply be: 236 * 237 * gd = gd_ptr; 238 * 239 * @gd_ptr: Pointer to global data 240 */ 241 void arch_setup_gd(gd_t *gd_ptr); 242 243 int checkboard(void); 244 int show_board_info(void); 245 int checkflash(void); 246 int checkdram(void); 247 int last_stage_init(void); 248 extern ulong monitor_flash_len; 249 int mac_read_from_eeprom(void); 250 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 251 int set_cpu_clk_info(void); 252 int mdm_init(void); 253 int print_cpuinfo(void); 254 int update_flash_size(int flash_size); 255 int arch_early_init_r(void); 256 257 /* 258 * setup_board_extra() - Fill in extra details in the bd_t structure 259 * 260 * @return 0 if OK, -ve on error 261 */ 262 int setup_board_extra(void); 263 264 /** 265 * arch_fsp_init() - perform firmware support package init 266 * 267 * Where U-Boot relies on binary blobs to handle part of the system init, this 268 * function can be used to set up the blobs. This is used on some Intel 269 * platforms. 270 */ 271 int arch_fsp_init(void); 272 273 /** 274 * arch_cpu_init_dm() - init CPU after driver model is available 275 * 276 * This is called immediately after driver model is available before 277 * relocation. This is similar to arch_cpu_init() but is able to reference 278 * devices 279 * 280 * @return 0 if OK, -ve on error 281 */ 282 int arch_cpu_init_dm(void); 283 284 /** 285 * Reserve all necessary stacks 286 * 287 * This is used in generic board init sequence in common/board_f.c. Each 288 * architecture could provide this function to tailor the required stacks. 289 * 290 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 291 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 292 * require only this can leave it untouched. 293 * 294 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 295 * positions of the stack. The stack pointer(s) will be set to this later. 296 * gd->irq_sp is only required, if the architecture needs it. 297 * 298 * @return 0 if no error 299 */ 300 __weak int arch_reserve_stacks(void); 301 302 /** 303 * Show the DRAM size in a board-specific way 304 * 305 * This is used by boards to display DRAM information in their own way. 306 * 307 * @param size Size of DRAM (which should be displayed along with other info) 308 */ 309 void board_show_dram(phys_size_t size); 310 311 /** 312 * arch_fixup_fdt() - Write arch-specific information to fdt 313 * 314 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 315 * 316 * @blob: FDT blob to write to 317 * @return 0 if ok, or -ve FDT_ERR_... on failure 318 */ 319 int arch_fixup_fdt(void *blob); 320 321 /* common/flash.c */ 322 void flash_perror (int); 323 324 /* common/cmd_source.c */ 325 int source (ulong addr, const char *fit_uname); 326 327 extern ulong load_addr; /* Default Load Address */ 328 extern ulong save_addr; /* Default Save Address */ 329 extern ulong save_size; /* Default Save Size */ 330 331 /* common/cmd_net.c */ 332 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 333 334 /* common/cmd_fat.c */ 335 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 336 337 /* common/cmd_ext2.c */ 338 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 339 340 /* common/cmd_nvedit.c */ 341 int env_init (void); 342 void env_relocate (void); 343 int envmatch (uchar *, int); 344 345 /* Avoid unfortunate conflict with libc's getenv() */ 346 #ifdef CONFIG_SANDBOX 347 #define getenv uboot_getenv 348 #endif 349 char *getenv (const char *); 350 int getenv_f (const char *name, char *buf, unsigned len); 351 ulong getenv_ulong(const char *name, int base, ulong default_val); 352 353 /** 354 * getenv_hex() - Return an environment variable as a hex value 355 * 356 * Decode an environment as a hex number (it may or may not have a 0x 357 * prefix). If the environment variable cannot be found, or does not start 358 * with hex digits, the default value is returned. 359 * 360 * @varname: Variable to decode 361 * @default_val: Value to return on error 362 */ 363 ulong getenv_hex(const char *varname, ulong default_val); 364 365 /* 366 * Read an environment variable as a boolean 367 * Return -1 if variable does not exist (default to true) 368 */ 369 int getenv_yesno(const char *var); 370 int saveenv (void); 371 int setenv (const char *, const char *); 372 int setenv_ulong(const char *varname, ulong value); 373 int setenv_hex(const char *varname, ulong value); 374 /** 375 * setenv_addr - Set an environment variable to an address in hex 376 * 377 * @varname: Environment variable to set 378 * @addr: Value to set it to 379 * @return 0 if ok, 1 on error 380 */ 381 static inline int setenv_addr(const char *varname, const void *addr) 382 { 383 return setenv_hex(varname, (ulong)addr); 384 } 385 386 #ifdef CONFIG_AUTO_COMPLETE 387 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 388 #endif 389 int get_env_id (void); 390 391 void pci_init (void); 392 void pci_init_board(void); 393 394 int misc_init_f (void); 395 int misc_init_r (void); 396 397 /* common/exports.c */ 398 void jumptable_init(void); 399 400 /* common/kallsysm.c */ 401 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 402 403 /* common/memsize.c */ 404 long get_ram_size (long *, long); 405 phys_size_t get_effective_memsize(void); 406 407 /* $(BOARD)/$(BOARD).c */ 408 void reset_phy (void); 409 void fdc_hw_init (void); 410 411 /* $(BOARD)/eeprom.c */ 412 #ifdef CONFIG_CMD_EEPROM 413 void eeprom_init (int bus); 414 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 415 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 416 #else 417 /* 418 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 419 * some macros here so we don't have to touch every one of those uses 420 */ 421 #define eeprom_init(bus) 422 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 423 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 424 #endif 425 426 /* 427 * Set this up regardless of board 428 * type, to prevent errors. 429 */ 430 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 431 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 432 #else 433 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 434 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 435 #endif 436 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 437 438 #if defined(CONFIG_SPI) 439 extern void spi_init_f (void); 440 extern void spi_init_r (void); 441 extern ssize_t spi_read (uchar *, int, uchar *, int); 442 extern ssize_t spi_write (uchar *, int, uchar *, int); 443 #endif 444 445 /* $(BOARD)/$(BOARD).c */ 446 int board_early_init_f (void); 447 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 448 int board_late_init (void); 449 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 450 int board_early_init_r (void); 451 void board_poweroff (void); 452 453 #if defined(CONFIG_SYS_DRAM_TEST) 454 int testdram(void); 455 #endif /* CONFIG_SYS_DRAM_TEST */ 456 457 /* $(CPU)/start.S */ 458 #if defined(CONFIG_5xx) || \ 459 defined(CONFIG_8xx) 460 uint get_immr (uint); 461 #endif 462 #if defined(CONFIG_MPC5xxx) 463 uint get_svr (void); 464 #endif 465 uint get_pvr (void); 466 uint get_svr (void); 467 uint rd_ic_cst (void); 468 void wr_ic_cst (uint); 469 void wr_ic_adr (uint); 470 uint rd_dc_cst (void); 471 void wr_dc_cst (uint); 472 void wr_dc_adr (uint); 473 int icache_status (void); 474 void icache_enable (void); 475 void icache_disable(void); 476 int dcache_status (void); 477 void dcache_enable (void); 478 void dcache_disable(void); 479 void mmu_disable(void); 480 #if defined(CONFIG_ARM) 481 void relocate_code(ulong); 482 #else 483 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 484 #endif 485 ulong get_endaddr (void); 486 void trap_init (ulong); 487 #if defined (CONFIG_4xx) || \ 488 defined (CONFIG_MPC5xxx) || \ 489 defined (CONFIG_MPC85xx) || \ 490 defined (CONFIG_MPC86xx) || \ 491 defined (CONFIG_MPC83xx) 492 unsigned char in8(unsigned int); 493 void out8(unsigned int, unsigned char); 494 unsigned short in16(unsigned int); 495 unsigned short in16r(unsigned int); 496 void out16(unsigned int, unsigned short value); 497 void out16r(unsigned int, unsigned short value); 498 unsigned long in32(unsigned int); 499 unsigned long in32r(unsigned int); 500 void out32(unsigned int, unsigned long value); 501 void out32r(unsigned int, unsigned long value); 502 void ppcDcbf(unsigned long value); 503 void ppcDcbi(unsigned long value); 504 void ppcSync(void); 505 void ppcDcbz(unsigned long value); 506 #endif 507 #if defined (CONFIG_MICROBLAZE) 508 unsigned short in16(unsigned int); 509 void out16(unsigned int, unsigned short value); 510 #endif 511 512 #if defined (CONFIG_MPC83xx) 513 void ppcDWload(unsigned int *addr, unsigned int *ret); 514 void ppcDWstore(unsigned int *addr, unsigned int *value); 515 void disable_addr_trans(void); 516 void enable_addr_trans(void); 517 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 518 void ddr_enable_ecc(unsigned int dram_size); 519 #endif 520 #endif 521 522 /* $(CPU)/cpu.c */ 523 static inline int cpumask_next(int cpu, unsigned int mask) 524 { 525 for (cpu++; !((1 << cpu) & mask); cpu++) 526 ; 527 528 return cpu; 529 } 530 531 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 532 for (iter = 0, cpu = cpumask_next(-1, mask); \ 533 iter < num_cpus; \ 534 iter++, cpu = cpumask_next(cpu, mask)) \ 535 536 int cpu_numcores (void); 537 int cpu_num_dspcores(void); 538 u32 cpu_mask (void); 539 u32 cpu_dsp_mask(void); 540 int is_core_valid (unsigned int); 541 542 /** 543 * arch_cpu_init() - basic cpu-dependent setup for an architecture 544 * 545 * This is called after early malloc is available. It should handle any 546 * CPU- or SoC- specific init needed to continue the init sequence. See 547 * board_f.c for where it is called. If this is not provided, a default 548 * version (which does nothing) will be used. 549 */ 550 int arch_cpu_init(void); 551 552 int checkcpu (void); 553 int checkicache (void); 554 int checkdcache (void); 555 void upmconfig (unsigned int, unsigned int *, unsigned int); 556 ulong get_tbclk (void); 557 void reset_misc (void); 558 void reset_cpu (ulong addr); 559 void ft_cpu_setup(void *blob, bd_t *bd); 560 void ft_pci_setup(void *blob, bd_t *bd); 561 562 void smp_set_core_boot_addr(unsigned long addr, int corenr); 563 void smp_kick_all_cpus(void); 564 565 /* $(CPU)/serial.c */ 566 int serial_init (void); 567 void serial_setbrg (void); 568 void serial_putc (const char); 569 void serial_putc_raw(const char); 570 void serial_puts (const char *); 571 int serial_getc (void); 572 int serial_tstc (void); 573 574 /* These versions take a stdio_dev pointer */ 575 struct stdio_dev; 576 int serial_stub_getc(struct stdio_dev *sdev); 577 int serial_stub_tstc(struct stdio_dev *sdev); 578 579 /* $(CPU)/speed.c */ 580 int get_clocks (void); 581 #if defined(CONFIG_MPC5xxx) 582 int prt_mpc5xxx_clks (void); 583 #endif 584 #if defined(CONFIG_LH7A40X) || \ 585 defined(CONFIG_EP93XX) 586 ulong get_FCLK (void); 587 ulong get_HCLK (void); 588 ulong get_PCLK (void); 589 ulong get_UCLK (void); 590 #endif 591 #if defined(CONFIG_LH7A40X) 592 ulong get_PLLCLK (void); 593 #endif 594 #if defined(CONFIG_IMX) 595 ulong get_systemPLLCLK(void); 596 ulong get_FCLK(void); 597 ulong get_HCLK(void); 598 ulong get_BCLK(void); 599 ulong get_PERCLK1(void); 600 ulong get_PERCLK2(void); 601 ulong get_PERCLK3(void); 602 #endif 603 ulong get_bus_freq (ulong); 604 int get_serial_clock(void); 605 606 #if defined(CONFIG_MPC85xx) 607 typedef MPC85xx_SYS_INFO sys_info_t; 608 void get_sys_info ( sys_info_t * ); 609 void ft_fixup_cpu(void *, u64); 610 void ft_fixup_num_cores(void *); 611 #endif 612 #if defined(CONFIG_MPC86xx) 613 typedef MPC86xx_SYS_INFO sys_info_t; 614 void get_sys_info ( sys_info_t * ); 615 static inline ulong get_ddr_freq(ulong dummy) 616 { 617 return get_bus_freq(dummy); 618 } 619 #else 620 ulong get_ddr_freq(ulong); 621 #endif 622 623 int cpu_init_r (void); 624 625 /* $(CPU)/interrupts.c */ 626 int interrupt_init (void); 627 void timer_interrupt (struct pt_regs *); 628 void external_interrupt (struct pt_regs *); 629 void irq_install_handler(int, interrupt_handler_t *, void *); 630 void irq_free_handler (int); 631 void reset_timer (void); 632 633 /* Return value of monotonic microsecond timer */ 634 unsigned long timer_get_us(void); 635 636 void enable_interrupts (void); 637 int disable_interrupts (void); 638 639 /* $(CPU)/.../commproc.c */ 640 int dpram_init (void); 641 uint dpram_base(void); 642 uint dpram_base_align(uint align); 643 uint dpram_alloc(uint size); 644 uint dpram_alloc_align(uint size,uint align); 645 void bootcount_store (ulong); 646 ulong bootcount_load (void); 647 #define BOOTCOUNT_MAGIC 0xB001C041 648 649 /* $(CPU)/.../<eth> */ 650 void mii_init (void); 651 652 /* $(CPU)/.../lcd.c */ 653 ulong lcd_setmem (ulong); 654 655 /* $(CPU)/.../video.c */ 656 ulong video_setmem (ulong); 657 658 /* arch/$(ARCH)/lib/cache.c */ 659 void enable_caches(void); 660 void flush_cache (unsigned long, unsigned long); 661 void flush_dcache_all(void); 662 void flush_dcache_range(unsigned long start, unsigned long stop); 663 void invalidate_dcache_range(unsigned long start, unsigned long stop); 664 void invalidate_dcache_all(void); 665 void invalidate_icache_all(void); 666 667 enum { 668 /* Disable caches (else flush caches but leave them active) */ 669 CBL_DISABLE_CACHES = 1 << 0, 670 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 671 672 CBL_ALL = 3, 673 }; 674 675 /** 676 * Clean up ready for linux 677 * 678 * @param flags Flags to control what is done 679 */ 680 int cleanup_before_linux_select(int flags); 681 682 /* arch/$(ARCH)/lib/ticks.S */ 683 uint64_t get_ticks(void); 684 void wait_ticks (unsigned long); 685 686 /* arch/$(ARCH)/lib/time.c */ 687 ulong usec2ticks (unsigned long usec); 688 ulong ticks2usec (unsigned long ticks); 689 690 /* lib/gunzip.c */ 691 int gunzip(void *, int, unsigned char *, unsigned long *); 692 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 693 int stoponerr, int offset); 694 695 /** 696 * gzwrite progress indicators: defined weak to allow board-specific 697 * overrides: 698 * 699 * gzwrite_progress_init called on startup 700 * gzwrite_progress called during decompress/write loop 701 * gzwrite_progress_finish called at end of loop to 702 * indicate success (retcode=0) or failure 703 */ 704 void gzwrite_progress_init(u64 expected_size); 705 706 void gzwrite_progress(int iteration, 707 u64 bytes_written, 708 u64 total_bytes); 709 710 void gzwrite_progress_finish(int retcode, 711 u64 totalwritten, 712 u64 totalsize, 713 u32 expected_crc, 714 u32 calculated_crc); 715 716 /** 717 * decompress and write gzipped image from memory to block device 718 * 719 * @param src compressed image address 720 * @param len compressed image length in bytes 721 * @param dev block device descriptor 722 * @param szwritebuf bytes per write (pad to erase size) 723 * @param startoffs offset in bytes of first write 724 * @param szexpected expected uncompressed length 725 * may be zero to use gzip trailer 726 * for files under 4GiB 727 */ 728 int gzwrite(unsigned char *src, int len, 729 struct blk_desc *dev, 730 unsigned long szwritebuf, 731 u64 startoffs, 732 u64 szexpected); 733 734 /* lib/lz4_wrapper.c */ 735 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 736 737 /* lib/qsort.c */ 738 void qsort(void *base, size_t nmemb, size_t size, 739 int(*compar)(const void *, const void *)); 740 int strcmp_compar(const void *, const void *); 741 742 /* lib/uuid.c */ 743 #include <uuid.h> 744 745 /* lib/vsprintf.c */ 746 #include <vsprintf.h> 747 748 /* lib/strmhz.c */ 749 char * strmhz(char *buf, unsigned long hz); 750 751 /* lib/crc32.c */ 752 #include <u-boot/crc.h> 753 754 /* lib/rand.c */ 755 #define RAND_MAX -1U 756 void srand(unsigned int seed); 757 unsigned int rand(void); 758 unsigned int rand_r(unsigned int *seedp); 759 760 /* 761 * STDIO based functions (can always be used) 762 */ 763 /* serial stuff */ 764 int serial_printf (const char *fmt, ...) 765 __attribute__ ((format (__printf__, 1, 2))); 766 /* stdin */ 767 int getc(void); 768 int tstc(void); 769 770 /* stdout */ 771 #if !defined(CONFIG_SPL_BUILD) || \ 772 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 773 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 774 defined(CONFIG_SPL_SERIAL_SUPPORT)) 775 void putc(const char c); 776 void puts(const char *s); 777 int printf(const char *fmt, ...) 778 __attribute__ ((format (__printf__, 1, 2))); 779 int vprintf(const char *fmt, va_list args); 780 #else 781 #define putc(...) do { } while (0) 782 #define puts(...) do { } while (0) 783 #define printf(...) do { } while (0) 784 #define vprintf(...) do { } while (0) 785 #endif 786 787 /* stderr */ 788 #define eputc(c) fputc(stderr, c) 789 #define eputs(s) fputs(stderr, s) 790 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 791 792 /* 793 * FILE based functions (can only be used AFTER relocation!) 794 */ 795 #define stdin 0 796 #define stdout 1 797 #define stderr 2 798 #define MAX_FILES 3 799 800 int fprintf(int file, const char *fmt, ...) 801 __attribute__ ((format (__printf__, 2, 3))); 802 void fputs(int file, const char *s); 803 void fputc(int file, const char c); 804 int ftstc(int file); 805 int fgetc(int file); 806 807 /* lib/gzip.c */ 808 int gzip(void *dst, unsigned long *lenp, 809 unsigned char *src, unsigned long srclen); 810 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 811 unsigned long srclen, int stoponerr, 812 int (*func)(unsigned long, unsigned long)); 813 814 /* lib/net_utils.c */ 815 #include <net.h> 816 static inline struct in_addr getenv_ip(char *var) 817 { 818 return string_to_ip(getenv(var)); 819 } 820 821 int pcmcia_init (void); 822 823 #ifdef CONFIG_LED_STATUS 824 # include <status_led.h> 825 #endif 826 827 #include <bootstage.h> 828 829 #ifdef CONFIG_SHOW_ACTIVITY 830 void show_activity(int arg); 831 #endif 832 833 /* Multicore arch functions */ 834 #ifdef CONFIG_MP 835 int cpu_status(int nr); 836 int cpu_reset(int nr); 837 int cpu_disable(int nr); 838 int cpu_release(int nr, int argc, char * const argv[]); 839 #endif 840 841 #else /* __ASSEMBLY__ */ 842 843 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 844 #define _AC(X, Y) X 845 846 #endif /* __ASSEMBLY__ */ 847 848 #ifdef CONFIG_PPC 849 /* 850 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 851 * Otherwise might lead to compilation errors in assembler files. 852 */ 853 #include <asm/cache.h> 854 #endif 855 856 /* Put only stuff here that the assembler can digest */ 857 858 /* Declare an unsigned long constant digestable both by C and an assembler. */ 859 #define UL(x) _AC(x, UL) 860 861 #ifdef CONFIG_POST 862 #define CONFIG_HAS_POST 863 #ifndef CONFIG_POST_ALT_LIST 864 #define CONFIG_POST_STD_LIST 865 #endif 866 #endif 867 868 #ifdef CONFIG_INIT_CRITICAL 869 #error CONFIG_INIT_CRITICAL is deprecated! 870 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 871 #endif 872 873 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 874 875 /* 876 * check_member() - Check the offset of a structure member 877 * 878 * @structure: Name of structure (e.g. global_data) 879 * @member: Name of member (e.g. baudrate) 880 * @offset: Expected offset in bytes 881 */ 882 #define check_member(structure, member, offset) _Static_assert( \ 883 offsetof(struct structure, member) == offset, \ 884 "`struct " #structure "` offset for `" #member "` is not " #offset) 885 886 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 887 #ifdef CONFIG_EFI_STUB 888 #define ll_boot_init() false 889 #else 890 #define ll_boot_init() true 891 #endif 892 893 /* Pull in stuff for the build system */ 894 #ifdef DO_DEPS_ONLY 895 # include <environment.h> 896 #endif 897 898 #endif /* __COMMON_H_ */ 899