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 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 34 #include <pci.h> 35 #endif 36 #if defined(CONFIG_8xx) 37 #include <asm/8xx_immap.h> 38 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 39 defined(CONFIG_MPC866) || \ 40 defined(CONFIG_MPC866P) 41 # define CONFIG_MPC866_FAMILY 1 42 #elif defined(CONFIG_MPC885) 43 # define CONFIG_MPC885_FAMILY 1 44 #endif 45 #if defined(CONFIG_MPC860) \ 46 || defined(CONFIG_MPC860T) \ 47 || defined(CONFIG_MPC866_FAMILY) \ 48 || defined(CONFIG_MPC885_FAMILY) 49 # define CONFIG_MPC86x 1 50 #endif 51 #elif defined(CONFIG_5xx) 52 #include <asm/5xx_immap.h> 53 #elif defined(CONFIG_MPC5xxx) 54 #include <mpc5xxx.h> 55 #elif defined(CONFIG_MPC512X) 56 #include <asm/immap_512x.h> 57 #elif defined(CONFIG_MPC8260) 58 #if defined(CONFIG_MPC8247) \ 59 || defined(CONFIG_MPC8272) 60 #define CONFIG_MPC8272_FAMILY 1 61 #endif 62 #include <asm/immap_8260.h> 63 #endif 64 #ifdef CONFIG_MPC86xx 65 #include <mpc86xx.h> 66 #include <asm/immap_86xx.h> 67 #endif 68 #ifdef CONFIG_MPC85xx 69 #include <mpc85xx.h> 70 #include <asm/immap_85xx.h> 71 #endif 72 #ifdef CONFIG_MPC83xx 73 #include <mpc83xx.h> 74 #include <asm/immap_83xx.h> 75 #endif 76 #ifdef CONFIG_4xx 77 #include <asm/ppc4xx.h> 78 #endif 79 #ifdef CONFIG_SOC_DA8XX 80 #include <asm/arch/hardware.h> 81 #endif 82 #ifdef CONFIG_FSL_LSCH3 83 #include <asm/arch/immap_lsch3.h> 84 #endif 85 #ifdef CONFIG_FSL_LSCH2 86 #include <asm/arch/immap_lsch2.h> 87 #endif 88 89 #include <part.h> 90 #include <flash.h> 91 #include <image.h> 92 93 /* Bring in printf format macros if inttypes.h is included */ 94 #define __STDC_FORMAT_MACROS 95 96 #ifdef __LP64__ 97 #define CONFIG_SYS_SUPPORT_64BIT_DATA 98 #endif 99 100 #ifdef DEBUG 101 #define _DEBUG 1 102 #else 103 #define _DEBUG 0 104 #endif 105 106 #ifdef CONFIG_SPL_BUILD 107 #define _SPL_BUILD 1 108 #else 109 #define _SPL_BUILD 0 110 #endif 111 112 /* Define this at the top of a file to add a prefix to debug messages */ 113 #ifndef pr_fmt 114 #define pr_fmt(fmt) fmt 115 #endif 116 117 /* 118 * Output a debug text when condition "cond" is met. The "cond" should be 119 * computed by a preprocessor in the best case, allowing for the best 120 * optimization. 121 */ 122 #define debug_cond(cond, fmt, args...) \ 123 do { \ 124 if (cond) \ 125 printf(pr_fmt(fmt), ##args); \ 126 } while (0) 127 128 /* Show a message if DEBUG is defined in a file */ 129 #define debug(fmt, args...) \ 130 debug_cond(_DEBUG, fmt, ##args) 131 132 /* Show a message if not in SPL */ 133 #define warn_non_spl(fmt, args...) \ 134 debug_cond(!_SPL_BUILD, fmt, ##args) 135 136 /* 137 * An assertion is run-time check done in debug mode only. If DEBUG is not 138 * defined then it is skipped. If DEBUG is defined and the assertion fails, 139 * then it calls panic*( which may or may not reset/halt U-Boot (see 140 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 141 * before release, and after release it is hoped that they don't matter. But 142 * in any case these failing assertions cannot be fixed with a reset (which 143 * may just do the same assertion again). 144 */ 145 void __assert_fail(const char *assertion, const char *file, unsigned line, 146 const char *function); 147 #define assert(x) \ 148 ({ if (!(x) && _DEBUG) \ 149 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 150 151 #define error(fmt, args...) do { \ 152 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 153 ##args, __FILE__, __LINE__, __func__); \ 154 } while (0) 155 156 #ifndef BUG 157 #define BUG() do { \ 158 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 159 panic("BUG!"); \ 160 } while (0) 161 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 162 #endif /* BUG */ 163 164 typedef void (interrupt_handler_t)(void *); 165 166 #include <asm/u-boot.h> /* boot information for Linux kernel */ 167 #include <asm/global_data.h> /* global data used for startup functions */ 168 169 /* 170 * enable common handling for all TQM8xxL/M boards: 171 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 172 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 173 * and for the TQM885D board 174 */ 175 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 176 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 177 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 178 # ifndef CONFIG_TQM8xxM 179 # define CONFIG_TQM8xxM 180 # endif 181 #endif 182 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 183 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 184 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 185 defined(CONFIG_TQM885D) 186 # ifndef CONFIG_TQM8xxL 187 # define CONFIG_TQM8xxL 188 # endif 189 #endif 190 191 #if defined(CONFIG_ENV_IS_EMBEDDED) 192 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 193 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 194 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 195 defined(CONFIG_ENV_IS_IN_NVRAM) 196 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 197 #else 198 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 199 #endif 200 201 /* 202 * Function Prototypes 203 */ 204 int dram_init(void); 205 206 /** 207 * dram_init_banksize() - Set up DRAM bank sizes 208 * 209 * This can be implemented by boards to set up the DRAM bank information in 210 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 211 * is called. 212 * 213 * If this is not provided, a default implementation will try to set up a 214 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 215 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 216 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 217 * get_effective_memsize(). 218 * 219 * @return 0 if OK, -ve on error 220 */ 221 int dram_init_banksize(void); 222 223 void hang (void) __attribute__ ((noreturn)); 224 225 int timer_init(void); 226 int cpu_init(void); 227 228 /* */ 229 int initdram(void); 230 231 #include <display_options.h> 232 233 /* common/main.c */ 234 void main_loop (void); 235 int run_command(const char *cmd, int flag); 236 int run_command_repeatable(const char *cmd, int flag); 237 238 /** 239 * Run a list of commands separated by ; or even \0 240 * 241 * Note that if 'len' is not -1, then the command does not need to be nul 242 * terminated, Memory will be allocated for the command in that case. 243 * 244 * @param cmd List of commands to run, each separated bu semicolon 245 * @param len Length of commands excluding terminator if known (-1 if not) 246 * @param flag Execution flags (CMD_FLAG_...) 247 * @return 0 on success, or != 0 on error. 248 */ 249 int run_command_list(const char *cmd, int len, int flag); 250 251 /* arch/$(ARCH)/lib/board.c */ 252 void board_init_f(ulong); 253 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 254 255 /** 256 * ulong board_init_f_alloc_reserve - allocate reserved area 257 * 258 * This function is called by each architecture very early in the start-up 259 * code to allow the C runtime to reserve space on the stack for writable 260 * 'globals' such as GD and the malloc arena. 261 * 262 * @top: top of the reserve area, growing down. 263 * @return: bottom of reserved area 264 */ 265 ulong board_init_f_alloc_reserve(ulong top); 266 267 /** 268 * board_init_f_init_reserve - initialize the reserved area(s) 269 * 270 * This function is called once the C runtime has allocated the reserved 271 * area on the stack. It must initialize the GD at the base of that area. 272 * 273 * @base: top from which reservation was done 274 */ 275 void board_init_f_init_reserve(ulong base); 276 277 /** 278 * arch_setup_gd() - Set up the global_data pointer 279 * 280 * This pointer is special in some architectures and cannot easily be assigned 281 * to. For example on x86 it is implemented by adding a specific record to its 282 * Global Descriptor Table! So we we provide a function to carry out this task. 283 * For most architectures this can simply be: 284 * 285 * gd = gd_ptr; 286 * 287 * @gd_ptr: Pointer to global data 288 */ 289 void arch_setup_gd(gd_t *gd_ptr); 290 291 int checkboard(void); 292 int show_board_info(void); 293 int checkflash(void); 294 int checkdram(void); 295 int last_stage_init(void); 296 extern ulong monitor_flash_len; 297 int mac_read_from_eeprom(void); 298 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 299 int set_cpu_clk_info(void); 300 int mdm_init(void); 301 int print_cpuinfo(void); 302 int update_flash_size(int flash_size); 303 int arch_early_init_r(void); 304 305 /* 306 * setup_board_extra() - Fill in extra details in the bd_t structure 307 * 308 * @return 0 if OK, -ve on error 309 */ 310 int setup_board_extra(void); 311 312 /** 313 * arch_fsp_init() - perform firmware support package init 314 * 315 * Where U-Boot relies on binary blobs to handle part of the system init, this 316 * function can be used to set up the blobs. This is used on some Intel 317 * platforms. 318 */ 319 int arch_fsp_init(void); 320 321 /** 322 * arch_cpu_init_dm() - init CPU after driver model is available 323 * 324 * This is called immediately after driver model is available before 325 * relocation. This is similar to arch_cpu_init() but is able to reference 326 * devices 327 * 328 * @return 0 if OK, -ve on error 329 */ 330 int arch_cpu_init_dm(void); 331 332 /** 333 * Reserve all necessary stacks 334 * 335 * This is used in generic board init sequence in common/board_f.c. Each 336 * architecture could provide this function to tailor the required stacks. 337 * 338 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 339 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 340 * require only this can leave it untouched. 341 * 342 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 343 * positions of the stack. The stack pointer(s) will be set to this later. 344 * gd->irq_sp is only required, if the architecture needs it. 345 * 346 * @return 0 if no error 347 */ 348 __weak int arch_reserve_stacks(void); 349 350 /** 351 * Show the DRAM size in a board-specific way 352 * 353 * This is used by boards to display DRAM information in their own way. 354 * 355 * @param size Size of DRAM (which should be displayed along with other info) 356 */ 357 void board_show_dram(phys_size_t size); 358 359 /** 360 * arch_fixup_fdt() - Write arch-specific information to fdt 361 * 362 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 363 * 364 * @blob: FDT blob to write to 365 * @return 0 if ok, or -ve FDT_ERR_... on failure 366 */ 367 int arch_fixup_fdt(void *blob); 368 369 /* common/flash.c */ 370 void flash_perror (int); 371 372 /* common/cmd_source.c */ 373 int source (ulong addr, const char *fit_uname); 374 375 extern ulong load_addr; /* Default Load Address */ 376 extern ulong save_addr; /* Default Save Address */ 377 extern ulong save_size; /* Default Save Size */ 378 379 /* common/cmd_net.c */ 380 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 381 382 /* common/cmd_fat.c */ 383 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 384 385 /* common/cmd_ext2.c */ 386 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 387 388 /* common/cmd_nvedit.c */ 389 int env_init (void); 390 void env_relocate (void); 391 int envmatch (uchar *, int); 392 393 /* Avoid unfortunate conflict with libc's getenv() */ 394 #ifdef CONFIG_SANDBOX 395 #define getenv uboot_getenv 396 #endif 397 char *getenv (const char *); 398 int getenv_f (const char *name, char *buf, unsigned len); 399 ulong getenv_ulong(const char *name, int base, ulong default_val); 400 401 /** 402 * getenv_hex() - Return an environment variable as a hex value 403 * 404 * Decode an environment as a hex number (it may or may not have a 0x 405 * prefix). If the environment variable cannot be found, or does not start 406 * with hex digits, the default value is returned. 407 * 408 * @varname: Variable to decode 409 * @default_val: Value to return on error 410 */ 411 ulong getenv_hex(const char *varname, ulong default_val); 412 413 /* 414 * Read an environment variable as a boolean 415 * Return -1 if variable does not exist (default to true) 416 */ 417 int getenv_yesno(const char *var); 418 int saveenv (void); 419 int setenv (const char *, const char *); 420 int setenv_ulong(const char *varname, ulong value); 421 int setenv_hex(const char *varname, ulong value); 422 /** 423 * setenv_addr - Set an environment variable to an address in hex 424 * 425 * @varname: Environment variable to set 426 * @addr: Value to set it to 427 * @return 0 if ok, 1 on error 428 */ 429 static inline int setenv_addr(const char *varname, const void *addr) 430 { 431 return setenv_hex(varname, (ulong)addr); 432 } 433 434 #ifdef CONFIG_ARM 435 # include <asm/mach-types.h> 436 # include <asm/setup.h> 437 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 438 #endif /* CONFIG_ARM */ 439 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 440 # include <asm/u-boot-x86.h> 441 #endif /* CONFIG_X86 */ 442 #ifdef CONFIG_SANDBOX 443 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 444 #endif 445 #ifdef CONFIG_NDS32 446 # include <asm/mach-types.h> 447 # include <asm/setup.h> 448 # include <asm/u-boot-nds32.h> 449 #endif /* CONFIG_NDS32 */ 450 #ifdef CONFIG_MIPS 451 # include <asm/u-boot-mips.h> 452 #endif /* CONFIG_MIPS */ 453 #ifdef CONFIG_ARC 454 # include <asm/u-boot-arc.h> 455 #endif /* CONFIG_ARC */ 456 457 #ifdef CONFIG_AUTO_COMPLETE 458 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 459 #endif 460 int get_env_id (void); 461 462 void pci_init (void); 463 void pci_init_board(void); 464 465 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 466 int pci_pre_init (struct pci_controller *); 467 int is_pci_host (struct pci_controller *); 468 #endif 469 470 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 471 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 472 void pci_target_init (struct pci_controller *); 473 # endif 474 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 475 void pci_master_init (struct pci_controller *); 476 # endif 477 #if defined(CONFIG_440SPE) || \ 478 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 479 defined(CONFIG_405EX) 480 void pcie_setup_hoses(int busno); 481 #endif 482 #endif 483 484 int misc_init_f (void); 485 int misc_init_r (void); 486 487 /* common/exports.c */ 488 void jumptable_init(void); 489 490 /* common/kallsysm.c */ 491 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 492 493 /* api/api.c */ 494 void api_init (void); 495 496 /* common/memsize.c */ 497 long get_ram_size (long *, long); 498 phys_size_t get_effective_memsize(void); 499 500 /* $(BOARD)/$(BOARD).c */ 501 void reset_phy (void); 502 void fdc_hw_init (void); 503 504 /* $(BOARD)/eeprom.c */ 505 void eeprom_init (int bus); 506 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 507 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 508 509 /* 510 * Set this up regardless of board 511 * type, to prevent errors. 512 */ 513 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 514 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 515 #else 516 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 517 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 518 #endif 519 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 520 521 #if defined(CONFIG_SPI) 522 extern void spi_init_f (void); 523 extern void spi_init_r (void); 524 extern ssize_t spi_read (uchar *, int, uchar *, int); 525 extern ssize_t spi_write (uchar *, int, uchar *, int); 526 #endif 527 528 /* $(BOARD)/$(BOARD).c */ 529 int board_early_init_f (void); 530 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 531 int board_late_init (void); 532 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 533 int board_early_init_r (void); 534 void board_poweroff (void); 535 536 #if defined(CONFIG_SYS_DRAM_TEST) 537 int testdram(void); 538 #endif /* CONFIG_SYS_DRAM_TEST */ 539 540 /* $(CPU)/start.S */ 541 #if defined(CONFIG_5xx) || \ 542 defined(CONFIG_8xx) 543 uint get_immr (uint); 544 #endif 545 #if defined(CONFIG_MPC5xxx) 546 uint get_svr (void); 547 #endif 548 uint get_pvr (void); 549 uint get_svr (void); 550 uint rd_ic_cst (void); 551 void wr_ic_cst (uint); 552 void wr_ic_adr (uint); 553 uint rd_dc_cst (void); 554 void wr_dc_cst (uint); 555 void wr_dc_adr (uint); 556 int icache_status (void); 557 void icache_enable (void); 558 void icache_disable(void); 559 int dcache_status (void); 560 void dcache_enable (void); 561 void dcache_disable(void); 562 void mmu_disable(void); 563 #if defined(CONFIG_ARM) 564 void relocate_code(ulong); 565 #else 566 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 567 #endif 568 ulong get_endaddr (void); 569 void trap_init (ulong); 570 #if defined (CONFIG_4xx) || \ 571 defined (CONFIG_MPC5xxx) || \ 572 defined (CONFIG_MPC85xx) || \ 573 defined (CONFIG_MPC86xx) || \ 574 defined (CONFIG_MPC83xx) 575 unsigned char in8(unsigned int); 576 void out8(unsigned int, unsigned char); 577 unsigned short in16(unsigned int); 578 unsigned short in16r(unsigned int); 579 void out16(unsigned int, unsigned short value); 580 void out16r(unsigned int, unsigned short value); 581 unsigned long in32(unsigned int); 582 unsigned long in32r(unsigned int); 583 void out32(unsigned int, unsigned long value); 584 void out32r(unsigned int, unsigned long value); 585 void ppcDcbf(unsigned long value); 586 void ppcDcbi(unsigned long value); 587 void ppcSync(void); 588 void ppcDcbz(unsigned long value); 589 #endif 590 #if defined (CONFIG_MICROBLAZE) 591 unsigned short in16(unsigned int); 592 void out16(unsigned int, unsigned short value); 593 #endif 594 595 #if defined (CONFIG_MPC83xx) 596 void ppcDWload(unsigned int *addr, unsigned int *ret); 597 void ppcDWstore(unsigned int *addr, unsigned int *value); 598 void disable_addr_trans(void); 599 void enable_addr_trans(void); 600 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 601 void ddr_enable_ecc(unsigned int dram_size); 602 #endif 603 #endif 604 605 /* $(CPU)/cpu.c */ 606 static inline int cpumask_next(int cpu, unsigned int mask) 607 { 608 for (cpu++; !((1 << cpu) & mask); cpu++) 609 ; 610 611 return cpu; 612 } 613 614 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 615 for (iter = 0, cpu = cpumask_next(-1, mask); \ 616 iter < num_cpus; \ 617 iter++, cpu = cpumask_next(cpu, mask)) \ 618 619 int cpu_numcores (void); 620 int cpu_num_dspcores(void); 621 u32 cpu_mask (void); 622 u32 cpu_dsp_mask(void); 623 int is_core_valid (unsigned int); 624 625 /** 626 * arch_cpu_init() - basic cpu-dependent setup for an architecture 627 * 628 * This is called after early malloc is available. It should handle any 629 * CPU- or SoC- specific init needed to continue the init sequence. See 630 * board_f.c for where it is called. If this is not provided, a default 631 * version (which does nothing) will be used. 632 */ 633 int arch_cpu_init(void); 634 635 int checkcpu (void); 636 int checkicache (void); 637 int checkdcache (void); 638 void upmconfig (unsigned int, unsigned int *, unsigned int); 639 ulong get_tbclk (void); 640 void reset_misc (void); 641 void reset_cpu (ulong addr); 642 void ft_cpu_setup(void *blob, bd_t *bd); 643 void ft_pci_setup(void *blob, bd_t *bd); 644 645 void smp_set_core_boot_addr(unsigned long addr, int corenr); 646 void smp_kick_all_cpus(void); 647 648 /* $(CPU)/serial.c */ 649 int serial_init (void); 650 void serial_setbrg (void); 651 void serial_putc (const char); 652 void serial_putc_raw(const char); 653 void serial_puts (const char *); 654 int serial_getc (void); 655 int serial_tstc (void); 656 657 /* These versions take a stdio_dev pointer */ 658 struct stdio_dev; 659 int serial_stub_getc(struct stdio_dev *sdev); 660 int serial_stub_tstc(struct stdio_dev *sdev); 661 662 /* $(CPU)/speed.c */ 663 int get_clocks (void); 664 #if defined(CONFIG_MPC5xxx) 665 int prt_mpc5xxx_clks (void); 666 #endif 667 #ifdef CONFIG_4xx 668 ulong get_OPB_freq (void); 669 ulong get_PCI_freq (void); 670 #endif 671 #if defined(CONFIG_S3C24X0) || \ 672 defined(CONFIG_LH7A40X) || \ 673 defined(CONFIG_EP93XX) 674 ulong get_FCLK (void); 675 ulong get_HCLK (void); 676 ulong get_PCLK (void); 677 ulong get_UCLK (void); 678 #endif 679 #if defined(CONFIG_LH7A40X) 680 ulong get_PLLCLK (void); 681 #endif 682 #if defined(CONFIG_IMX) 683 ulong get_systemPLLCLK(void); 684 ulong get_FCLK(void); 685 ulong get_HCLK(void); 686 ulong get_BCLK(void); 687 ulong get_PERCLK1(void); 688 ulong get_PERCLK2(void); 689 ulong get_PERCLK3(void); 690 #endif 691 ulong get_bus_freq (ulong); 692 int get_serial_clock(void); 693 694 #if defined(CONFIG_MPC85xx) 695 typedef MPC85xx_SYS_INFO sys_info_t; 696 void get_sys_info ( sys_info_t * ); 697 void ft_fixup_cpu(void *, u64); 698 void ft_fixup_num_cores(void *); 699 #endif 700 #if defined(CONFIG_MPC86xx) 701 typedef MPC86xx_SYS_INFO sys_info_t; 702 void get_sys_info ( sys_info_t * ); 703 static inline ulong get_ddr_freq(ulong dummy) 704 { 705 return get_bus_freq(dummy); 706 } 707 #else 708 ulong get_ddr_freq(ulong); 709 #endif 710 711 #if defined(CONFIG_4xx) 712 # if defined(CONFIG_440) 713 # if defined(CONFIG_440SPE) 714 unsigned long determine_sysper(void); 715 unsigned long determine_pci_clock_per(void); 716 # endif 717 # endif 718 typedef PPC4xx_SYS_INFO sys_info_t; 719 int ppc440spe_revB(void); 720 void get_sys_info ( sys_info_t * ); 721 #endif 722 723 /* $(CPU)/cpu_init.c */ 724 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 725 void cpu_init_f (volatile immap_t *immr); 726 #endif 727 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 728 void cpu_init_f (void); 729 #endif 730 #ifdef CONFIG_MPC85xx 731 ulong cpu_init_f(void); 732 #endif 733 734 int cpu_init_r (void); 735 736 /* $(CPU)/interrupts.c */ 737 int interrupt_init (void); 738 void timer_interrupt (struct pt_regs *); 739 void external_interrupt (struct pt_regs *); 740 void irq_install_handler(int, interrupt_handler_t *, void *); 741 void irq_free_handler (int); 742 void reset_timer (void); 743 744 /* Return value of monotonic microsecond timer */ 745 unsigned long timer_get_us(void); 746 747 void enable_interrupts (void); 748 int disable_interrupts (void); 749 750 /* $(CPU)/.../commproc.c */ 751 int dpram_init (void); 752 uint dpram_base(void); 753 uint dpram_base_align(uint align); 754 uint dpram_alloc(uint size); 755 uint dpram_alloc_align(uint size,uint align); 756 void bootcount_store (ulong); 757 ulong bootcount_load (void); 758 #define BOOTCOUNT_MAGIC 0xB001C041 759 760 /* $(CPU)/.../<eth> */ 761 void mii_init (void); 762 763 /* $(CPU)/.../lcd.c */ 764 ulong lcd_setmem (ulong); 765 766 /* $(CPU)/.../video.c */ 767 ulong video_setmem (ulong); 768 769 /* arch/$(ARCH)/lib/cache.c */ 770 void enable_caches(void); 771 void flush_cache (unsigned long, unsigned long); 772 void flush_dcache_all(void); 773 void flush_dcache_range(unsigned long start, unsigned long stop); 774 void invalidate_dcache_range(unsigned long start, unsigned long stop); 775 void invalidate_dcache_all(void); 776 void invalidate_icache_all(void); 777 778 enum { 779 /* Disable caches (else flush caches but leave them active) */ 780 CBL_DISABLE_CACHES = 1 << 0, 781 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 782 783 CBL_ALL = 3, 784 }; 785 786 /** 787 * Clean up ready for linux 788 * 789 * @param flags Flags to control what is done 790 */ 791 int cleanup_before_linux_select(int flags); 792 793 /* arch/$(ARCH)/lib/ticks.S */ 794 uint64_t get_ticks(void); 795 void wait_ticks (unsigned long); 796 797 /* arch/$(ARCH)/lib/time.c */ 798 ulong usec2ticks (unsigned long usec); 799 ulong ticks2usec (unsigned long ticks); 800 801 /* lib/gunzip.c */ 802 int gunzip(void *, int, unsigned char *, unsigned long *); 803 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 804 int stoponerr, int offset); 805 806 /** 807 * gzwrite progress indicators: defined weak to allow board-specific 808 * overrides: 809 * 810 * gzwrite_progress_init called on startup 811 * gzwrite_progress called during decompress/write loop 812 * gzwrite_progress_finish called at end of loop to 813 * indicate success (retcode=0) or failure 814 */ 815 void gzwrite_progress_init(u64 expected_size); 816 817 void gzwrite_progress(int iteration, 818 u64 bytes_written, 819 u64 total_bytes); 820 821 void gzwrite_progress_finish(int retcode, 822 u64 totalwritten, 823 u64 totalsize, 824 u32 expected_crc, 825 u32 calculated_crc); 826 827 /** 828 * decompress and write gzipped image from memory to block device 829 * 830 * @param src compressed image address 831 * @param len compressed image length in bytes 832 * @param dev block device descriptor 833 * @param szwritebuf bytes per write (pad to erase size) 834 * @param startoffs offset in bytes of first write 835 * @param szexpected expected uncompressed length 836 * may be zero to use gzip trailer 837 * for files under 4GiB 838 */ 839 int gzwrite(unsigned char *src, int len, 840 struct blk_desc *dev, 841 unsigned long szwritebuf, 842 u64 startoffs, 843 u64 szexpected); 844 845 /* lib/lz4_wrapper.c */ 846 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 847 848 /* lib/qsort.c */ 849 void qsort(void *base, size_t nmemb, size_t size, 850 int(*compar)(const void *, const void *)); 851 int strcmp_compar(const void *, const void *); 852 853 /* lib/uuid.c */ 854 #include <uuid.h> 855 856 /* lib/vsprintf.c */ 857 #include <vsprintf.h> 858 859 /* lib/strmhz.c */ 860 char * strmhz(char *buf, unsigned long hz); 861 862 /* lib/crc32.c */ 863 #include <u-boot/crc.h> 864 865 /* lib/rand.c */ 866 #define RAND_MAX -1U 867 void srand(unsigned int seed); 868 unsigned int rand(void); 869 unsigned int rand_r(unsigned int *seedp); 870 871 /* 872 * STDIO based functions (can always be used) 873 */ 874 /* serial stuff */ 875 int serial_printf (const char *fmt, ...) 876 __attribute__ ((format (__printf__, 1, 2))); 877 /* stdin */ 878 int getc(void); 879 int tstc(void); 880 881 /* stdout */ 882 #if !defined(CONFIG_SPL_BUILD) || \ 883 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 884 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 885 defined(CONFIG_SPL_SERIAL_SUPPORT)) 886 void putc(const char c); 887 void puts(const char *s); 888 int printf(const char *fmt, ...) 889 __attribute__ ((format (__printf__, 1, 2))); 890 int vprintf(const char *fmt, va_list args); 891 #else 892 #define putc(...) do { } while (0) 893 #define puts(...) do { } while (0) 894 #define printf(...) do { } while (0) 895 #define vprintf(...) do { } while (0) 896 #endif 897 898 /* stderr */ 899 #define eputc(c) fputc(stderr, c) 900 #define eputs(s) fputs(stderr, s) 901 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 902 903 /* 904 * FILE based functions (can only be used AFTER relocation!) 905 */ 906 #define stdin 0 907 #define stdout 1 908 #define stderr 2 909 #define MAX_FILES 3 910 911 int fprintf(int file, const char *fmt, ...) 912 __attribute__ ((format (__printf__, 2, 3))); 913 void fputs(int file, const char *s); 914 void fputc(int file, const char c); 915 int ftstc(int file); 916 int fgetc(int file); 917 918 /* lib/gzip.c */ 919 int gzip(void *dst, unsigned long *lenp, 920 unsigned char *src, unsigned long srclen); 921 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 922 unsigned long srclen, int stoponerr, 923 int (*func)(unsigned long, unsigned long)); 924 925 /* lib/net_utils.c */ 926 #include <net.h> 927 static inline struct in_addr getenv_ip(char *var) 928 { 929 return string_to_ip(getenv(var)); 930 } 931 932 int pcmcia_init (void); 933 934 #ifdef CONFIG_LED_STATUS 935 # include <status_led.h> 936 #endif 937 938 #include <bootstage.h> 939 940 #ifdef CONFIG_SHOW_ACTIVITY 941 void show_activity(int arg); 942 #endif 943 944 /* Multicore arch functions */ 945 #ifdef CONFIG_MP 946 int cpu_status(int nr); 947 int cpu_reset(int nr); 948 int cpu_disable(int nr); 949 int cpu_release(int nr, int argc, char * const argv[]); 950 #endif 951 952 #else /* __ASSEMBLY__ */ 953 954 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 955 #define _AC(X, Y) X 956 957 #endif /* __ASSEMBLY__ */ 958 959 #ifdef CONFIG_PPC 960 /* 961 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 962 * Otherwise might lead to compilation errors in assembler files. 963 */ 964 #include <asm/cache.h> 965 #endif 966 967 /* Put only stuff here that the assembler can digest */ 968 969 /* Declare an unsigned long constant digestable both by C and an assembler. */ 970 #define UL(x) _AC(x, UL) 971 972 #ifdef CONFIG_POST 973 #define CONFIG_HAS_POST 974 #ifndef CONFIG_POST_ALT_LIST 975 #define CONFIG_POST_STD_LIST 976 #endif 977 #endif 978 979 #ifdef CONFIG_INIT_CRITICAL 980 #error CONFIG_INIT_CRITICAL is deprecated! 981 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 982 #endif 983 984 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 985 986 /* 987 * check_member() - Check the offset of a structure member 988 * 989 * @structure: Name of structure (e.g. global_data) 990 * @member: Name of member (e.g. baudrate) 991 * @offset: Expected offset in bytes 992 */ 993 #define check_member(structure, member, offset) _Static_assert( \ 994 offsetof(struct structure, member) == offset, \ 995 "`struct " #structure "` offset for `" #member "` is not " #offset) 996 997 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 998 #ifdef CONFIG_EFI_STUB 999 #define ll_boot_init() false 1000 #else 1001 #define ll_boot_init() true 1002 #endif 1003 1004 /* Pull in stuff for the build system */ 1005 #ifdef DO_DEPS_ONLY 1006 # include <environment.h> 1007 #endif 1008 1009 #endif /* __COMMON_H_ */ 1010