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 #include <display_options.h> 229 230 /* common/main.c */ 231 void main_loop (void); 232 int run_command(const char *cmd, int flag); 233 int run_command_repeatable(const char *cmd, int flag); 234 235 /** 236 * Run a list of commands separated by ; or even \0 237 * 238 * Note that if 'len' is not -1, then the command does not need to be nul 239 * terminated, Memory will be allocated for the command in that case. 240 * 241 * @param cmd List of commands to run, each separated bu semicolon 242 * @param len Length of commands excluding terminator if known (-1 if not) 243 * @param flag Execution flags (CMD_FLAG_...) 244 * @return 0 on success, or != 0 on error. 245 */ 246 int run_command_list(const char *cmd, int len, int flag); 247 248 /* arch/$(ARCH)/lib/board.c */ 249 void board_init_f(ulong); 250 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 251 252 /** 253 * ulong board_init_f_alloc_reserve - allocate reserved area 254 * 255 * This function is called by each architecture very early in the start-up 256 * code to allow the C runtime to reserve space on the stack for writable 257 * 'globals' such as GD and the malloc arena. 258 * 259 * @top: top of the reserve area, growing down. 260 * @return: bottom of reserved area 261 */ 262 ulong board_init_f_alloc_reserve(ulong top); 263 264 /** 265 * board_init_f_init_reserve - initialize the reserved area(s) 266 * 267 * This function is called once the C runtime has allocated the reserved 268 * area on the stack. It must initialize the GD at the base of that area. 269 * 270 * @base: top from which reservation was done 271 */ 272 void board_init_f_init_reserve(ulong base); 273 274 /** 275 * arch_setup_gd() - Set up the global_data pointer 276 * 277 * This pointer is special in some architectures and cannot easily be assigned 278 * to. For example on x86 it is implemented by adding a specific record to its 279 * Global Descriptor Table! So we we provide a function to carry out this task. 280 * For most architectures this can simply be: 281 * 282 * gd = gd_ptr; 283 * 284 * @gd_ptr: Pointer to global data 285 */ 286 void arch_setup_gd(gd_t *gd_ptr); 287 288 int checkboard(void); 289 int show_board_info(void); 290 int checkflash(void); 291 int checkdram(void); 292 int last_stage_init(void); 293 extern ulong monitor_flash_len; 294 int mac_read_from_eeprom(void); 295 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 296 int set_cpu_clk_info(void); 297 int mdm_init(void); 298 int print_cpuinfo(void); 299 int update_flash_size(int flash_size); 300 int arch_early_init_r(void); 301 302 /* 303 * setup_board_extra() - Fill in extra details in the bd_t structure 304 * 305 * @return 0 if OK, -ve on error 306 */ 307 int setup_board_extra(void); 308 309 /** 310 * arch_fsp_init() - perform firmware support package init 311 * 312 * Where U-Boot relies on binary blobs to handle part of the system init, this 313 * function can be used to set up the blobs. This is used on some Intel 314 * platforms. 315 */ 316 int arch_fsp_init(void); 317 318 /** 319 * arch_cpu_init_dm() - init CPU after driver model is available 320 * 321 * This is called immediately after driver model is available before 322 * relocation. This is similar to arch_cpu_init() but is able to reference 323 * devices 324 * 325 * @return 0 if OK, -ve on error 326 */ 327 int arch_cpu_init_dm(void); 328 329 /** 330 * Reserve all necessary stacks 331 * 332 * This is used in generic board init sequence in common/board_f.c. Each 333 * architecture could provide this function to tailor the required stacks. 334 * 335 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 336 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 337 * require only this can leave it untouched. 338 * 339 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 340 * positions of the stack. The stack pointer(s) will be set to this later. 341 * gd->irq_sp is only required, if the architecture needs it. 342 * 343 * @return 0 if no error 344 */ 345 __weak int arch_reserve_stacks(void); 346 347 /** 348 * Show the DRAM size in a board-specific way 349 * 350 * This is used by boards to display DRAM information in their own way. 351 * 352 * @param size Size of DRAM (which should be displayed along with other info) 353 */ 354 void board_show_dram(phys_size_t size); 355 356 /** 357 * arch_fixup_fdt() - Write arch-specific information to fdt 358 * 359 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 360 * 361 * @blob: FDT blob to write to 362 * @return 0 if ok, or -ve FDT_ERR_... on failure 363 */ 364 int arch_fixup_fdt(void *blob); 365 366 /* common/flash.c */ 367 void flash_perror (int); 368 369 /* common/cmd_source.c */ 370 int source (ulong addr, const char *fit_uname); 371 372 extern ulong load_addr; /* Default Load Address */ 373 extern ulong save_addr; /* Default Save Address */ 374 extern ulong save_size; /* Default Save Size */ 375 376 /* common/cmd_net.c */ 377 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 378 379 /* common/cmd_fat.c */ 380 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 381 382 /* common/cmd_ext2.c */ 383 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 384 385 /* common/cmd_nvedit.c */ 386 int env_init (void); 387 void env_relocate (void); 388 int envmatch (uchar *, int); 389 390 /* Avoid unfortunate conflict with libc's getenv() */ 391 #ifdef CONFIG_SANDBOX 392 #define getenv uboot_getenv 393 #endif 394 char *getenv (const char *); 395 int getenv_f (const char *name, char *buf, unsigned len); 396 ulong getenv_ulong(const char *name, int base, ulong default_val); 397 398 /** 399 * getenv_hex() - Return an environment variable as a hex value 400 * 401 * Decode an environment as a hex number (it may or may not have a 0x 402 * prefix). If the environment variable cannot be found, or does not start 403 * with hex digits, the default value is returned. 404 * 405 * @varname: Variable to decode 406 * @default_val: Value to return on error 407 */ 408 ulong getenv_hex(const char *varname, ulong default_val); 409 410 /* 411 * Read an environment variable as a boolean 412 * Return -1 if variable does not exist (default to true) 413 */ 414 int getenv_yesno(const char *var); 415 int saveenv (void); 416 int setenv (const char *, const char *); 417 int setenv_ulong(const char *varname, ulong value); 418 int setenv_hex(const char *varname, ulong value); 419 /** 420 * setenv_addr - Set an environment variable to an address in hex 421 * 422 * @varname: Environment variable to set 423 * @addr: Value to set it to 424 * @return 0 if ok, 1 on error 425 */ 426 static inline int setenv_addr(const char *varname, const void *addr) 427 { 428 return setenv_hex(varname, (ulong)addr); 429 } 430 431 #ifdef CONFIG_ARM 432 # include <asm/mach-types.h> 433 # include <asm/setup.h> 434 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 435 #endif /* CONFIG_ARM */ 436 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 437 # include <asm/u-boot-x86.h> 438 #endif /* CONFIG_X86 */ 439 #ifdef CONFIG_SANDBOX 440 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 441 #endif 442 #ifdef CONFIG_NDS32 443 # include <asm/mach-types.h> 444 # include <asm/setup.h> 445 # include <asm/u-boot-nds32.h> 446 #endif /* CONFIG_NDS32 */ 447 #ifdef CONFIG_MIPS 448 # include <asm/u-boot-mips.h> 449 #endif /* CONFIG_MIPS */ 450 #ifdef CONFIG_ARC 451 # include <asm/u-boot-arc.h> 452 #endif /* CONFIG_ARC */ 453 454 #ifdef CONFIG_AUTO_COMPLETE 455 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 456 #endif 457 int get_env_id (void); 458 459 void pci_init (void); 460 void pci_init_board(void); 461 462 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 463 int pci_pre_init (struct pci_controller *); 464 int is_pci_host (struct pci_controller *); 465 #endif 466 467 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 468 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 469 void pci_target_init (struct pci_controller *); 470 # endif 471 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 472 void pci_master_init (struct pci_controller *); 473 # endif 474 #if defined(CONFIG_440SPE) || \ 475 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 476 defined(CONFIG_405EX) 477 void pcie_setup_hoses(int busno); 478 #endif 479 #endif 480 481 int misc_init_f (void); 482 int misc_init_r (void); 483 484 /* common/exports.c */ 485 void jumptable_init(void); 486 487 /* common/kallsysm.c */ 488 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 489 490 /* api/api.c */ 491 void api_init (void); 492 493 /* common/memsize.c */ 494 long get_ram_size (long *, long); 495 phys_size_t get_effective_memsize(void); 496 497 /* $(BOARD)/$(BOARD).c */ 498 void reset_phy (void); 499 void fdc_hw_init (void); 500 501 /* $(BOARD)/eeprom.c */ 502 #ifdef CONFIG_CMD_EEPROM 503 void eeprom_init (int bus); 504 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 505 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 506 #else 507 /* 508 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 509 * some macros here so we don't have to touch every one of those uses 510 */ 511 #define eeprom_init(bus) 512 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 513 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 514 #endif 515 516 /* 517 * Set this up regardless of board 518 * type, to prevent errors. 519 */ 520 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 521 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 522 #else 523 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 524 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 525 #endif 526 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 527 528 #if defined(CONFIG_SPI) 529 extern void spi_init_f (void); 530 extern void spi_init_r (void); 531 extern ssize_t spi_read (uchar *, int, uchar *, int); 532 extern ssize_t spi_write (uchar *, int, uchar *, int); 533 #endif 534 535 /* $(BOARD)/$(BOARD).c */ 536 int board_early_init_f (void); 537 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 538 int board_late_init (void); 539 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 540 int board_early_init_r (void); 541 void board_poweroff (void); 542 543 #if defined(CONFIG_SYS_DRAM_TEST) 544 int testdram(void); 545 #endif /* CONFIG_SYS_DRAM_TEST */ 546 547 /* $(CPU)/start.S */ 548 #if defined(CONFIG_5xx) || \ 549 defined(CONFIG_8xx) 550 uint get_immr (uint); 551 #endif 552 #if defined(CONFIG_MPC5xxx) 553 uint get_svr (void); 554 #endif 555 uint get_pvr (void); 556 uint get_svr (void); 557 uint rd_ic_cst (void); 558 void wr_ic_cst (uint); 559 void wr_ic_adr (uint); 560 uint rd_dc_cst (void); 561 void wr_dc_cst (uint); 562 void wr_dc_adr (uint); 563 int icache_status (void); 564 void icache_enable (void); 565 void icache_disable(void); 566 int dcache_status (void); 567 void dcache_enable (void); 568 void dcache_disable(void); 569 void mmu_disable(void); 570 #if defined(CONFIG_ARM) 571 void relocate_code(ulong); 572 #else 573 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 574 #endif 575 ulong get_endaddr (void); 576 void trap_init (ulong); 577 #if defined (CONFIG_4xx) || \ 578 defined (CONFIG_MPC5xxx) || \ 579 defined (CONFIG_MPC85xx) || \ 580 defined (CONFIG_MPC86xx) || \ 581 defined (CONFIG_MPC83xx) 582 unsigned char in8(unsigned int); 583 void out8(unsigned int, unsigned char); 584 unsigned short in16(unsigned int); 585 unsigned short in16r(unsigned int); 586 void out16(unsigned int, unsigned short value); 587 void out16r(unsigned int, unsigned short value); 588 unsigned long in32(unsigned int); 589 unsigned long in32r(unsigned int); 590 void out32(unsigned int, unsigned long value); 591 void out32r(unsigned int, unsigned long value); 592 void ppcDcbf(unsigned long value); 593 void ppcDcbi(unsigned long value); 594 void ppcSync(void); 595 void ppcDcbz(unsigned long value); 596 #endif 597 #if defined (CONFIG_MICROBLAZE) 598 unsigned short in16(unsigned int); 599 void out16(unsigned int, unsigned short value); 600 #endif 601 602 #if defined (CONFIG_MPC83xx) 603 void ppcDWload(unsigned int *addr, unsigned int *ret); 604 void ppcDWstore(unsigned int *addr, unsigned int *value); 605 void disable_addr_trans(void); 606 void enable_addr_trans(void); 607 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 608 void ddr_enable_ecc(unsigned int dram_size); 609 #endif 610 #endif 611 612 /* $(CPU)/cpu.c */ 613 static inline int cpumask_next(int cpu, unsigned int mask) 614 { 615 for (cpu++; !((1 << cpu) & mask); cpu++) 616 ; 617 618 return cpu; 619 } 620 621 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 622 for (iter = 0, cpu = cpumask_next(-1, mask); \ 623 iter < num_cpus; \ 624 iter++, cpu = cpumask_next(cpu, mask)) \ 625 626 int cpu_numcores (void); 627 int cpu_num_dspcores(void); 628 u32 cpu_mask (void); 629 u32 cpu_dsp_mask(void); 630 int is_core_valid (unsigned int); 631 632 /** 633 * arch_cpu_init() - basic cpu-dependent setup for an architecture 634 * 635 * This is called after early malloc is available. It should handle any 636 * CPU- or SoC- specific init needed to continue the init sequence. See 637 * board_f.c for where it is called. If this is not provided, a default 638 * version (which does nothing) will be used. 639 */ 640 int arch_cpu_init(void); 641 642 int checkcpu (void); 643 int checkicache (void); 644 int checkdcache (void); 645 void upmconfig (unsigned int, unsigned int *, unsigned int); 646 ulong get_tbclk (void); 647 void reset_misc (void); 648 void reset_cpu (ulong addr); 649 void ft_cpu_setup(void *blob, bd_t *bd); 650 void ft_pci_setup(void *blob, bd_t *bd); 651 652 void smp_set_core_boot_addr(unsigned long addr, int corenr); 653 void smp_kick_all_cpus(void); 654 655 /* $(CPU)/serial.c */ 656 int serial_init (void); 657 void serial_setbrg (void); 658 void serial_putc (const char); 659 void serial_putc_raw(const char); 660 void serial_puts (const char *); 661 int serial_getc (void); 662 int serial_tstc (void); 663 664 /* These versions take a stdio_dev pointer */ 665 struct stdio_dev; 666 int serial_stub_getc(struct stdio_dev *sdev); 667 int serial_stub_tstc(struct stdio_dev *sdev); 668 669 /* $(CPU)/speed.c */ 670 int get_clocks (void); 671 #if defined(CONFIG_MPC5xxx) 672 int prt_mpc5xxx_clks (void); 673 #endif 674 #ifdef CONFIG_4xx 675 ulong get_OPB_freq (void); 676 ulong get_PCI_freq (void); 677 #endif 678 #if defined(CONFIG_S3C24X0) || \ 679 defined(CONFIG_LH7A40X) || \ 680 defined(CONFIG_EP93XX) 681 ulong get_FCLK (void); 682 ulong get_HCLK (void); 683 ulong get_PCLK (void); 684 ulong get_UCLK (void); 685 #endif 686 #if defined(CONFIG_LH7A40X) 687 ulong get_PLLCLK (void); 688 #endif 689 #if defined(CONFIG_IMX) 690 ulong get_systemPLLCLK(void); 691 ulong get_FCLK(void); 692 ulong get_HCLK(void); 693 ulong get_BCLK(void); 694 ulong get_PERCLK1(void); 695 ulong get_PERCLK2(void); 696 ulong get_PERCLK3(void); 697 #endif 698 ulong get_bus_freq (ulong); 699 int get_serial_clock(void); 700 701 #if defined(CONFIG_MPC85xx) 702 typedef MPC85xx_SYS_INFO sys_info_t; 703 void get_sys_info ( sys_info_t * ); 704 void ft_fixup_cpu(void *, u64); 705 void ft_fixup_num_cores(void *); 706 #endif 707 #if defined(CONFIG_MPC86xx) 708 typedef MPC86xx_SYS_INFO sys_info_t; 709 void get_sys_info ( sys_info_t * ); 710 static inline ulong get_ddr_freq(ulong dummy) 711 { 712 return get_bus_freq(dummy); 713 } 714 #else 715 ulong get_ddr_freq(ulong); 716 #endif 717 718 #if defined(CONFIG_4xx) 719 # if defined(CONFIG_440) 720 # if defined(CONFIG_440SPE) 721 unsigned long determine_sysper(void); 722 unsigned long determine_pci_clock_per(void); 723 # endif 724 # endif 725 typedef PPC4xx_SYS_INFO sys_info_t; 726 int ppc440spe_revB(void); 727 void get_sys_info ( sys_info_t * ); 728 #endif 729 730 /* $(CPU)/cpu_init.c */ 731 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 732 void cpu_init_f (volatile immap_t *immr); 733 #endif 734 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 735 void cpu_init_f (void); 736 #endif 737 #ifdef CONFIG_MPC85xx 738 ulong cpu_init_f(void); 739 #endif 740 741 int cpu_init_r (void); 742 743 /* $(CPU)/interrupts.c */ 744 int interrupt_init (void); 745 void timer_interrupt (struct pt_regs *); 746 void external_interrupt (struct pt_regs *); 747 void irq_install_handler(int, interrupt_handler_t *, void *); 748 void irq_free_handler (int); 749 void reset_timer (void); 750 751 /* Return value of monotonic microsecond timer */ 752 unsigned long timer_get_us(void); 753 754 void enable_interrupts (void); 755 int disable_interrupts (void); 756 757 /* $(CPU)/.../commproc.c */ 758 int dpram_init (void); 759 uint dpram_base(void); 760 uint dpram_base_align(uint align); 761 uint dpram_alloc(uint size); 762 uint dpram_alloc_align(uint size,uint align); 763 void bootcount_store (ulong); 764 ulong bootcount_load (void); 765 #define BOOTCOUNT_MAGIC 0xB001C041 766 767 /* $(CPU)/.../<eth> */ 768 void mii_init (void); 769 770 /* $(CPU)/.../lcd.c */ 771 ulong lcd_setmem (ulong); 772 773 /* $(CPU)/.../video.c */ 774 ulong video_setmem (ulong); 775 776 /* arch/$(ARCH)/lib/cache.c */ 777 void enable_caches(void); 778 void flush_cache (unsigned long, unsigned long); 779 void flush_dcache_all(void); 780 void flush_dcache_range(unsigned long start, unsigned long stop); 781 void invalidate_dcache_range(unsigned long start, unsigned long stop); 782 void invalidate_dcache_all(void); 783 void invalidate_icache_all(void); 784 785 enum { 786 /* Disable caches (else flush caches but leave them active) */ 787 CBL_DISABLE_CACHES = 1 << 0, 788 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 789 790 CBL_ALL = 3, 791 }; 792 793 /** 794 * Clean up ready for linux 795 * 796 * @param flags Flags to control what is done 797 */ 798 int cleanup_before_linux_select(int flags); 799 800 /* arch/$(ARCH)/lib/ticks.S */ 801 uint64_t get_ticks(void); 802 void wait_ticks (unsigned long); 803 804 /* arch/$(ARCH)/lib/time.c */ 805 ulong usec2ticks (unsigned long usec); 806 ulong ticks2usec (unsigned long ticks); 807 808 /* lib/gunzip.c */ 809 int gunzip(void *, int, unsigned char *, unsigned long *); 810 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 811 int stoponerr, int offset); 812 813 /** 814 * gzwrite progress indicators: defined weak to allow board-specific 815 * overrides: 816 * 817 * gzwrite_progress_init called on startup 818 * gzwrite_progress called during decompress/write loop 819 * gzwrite_progress_finish called at end of loop to 820 * indicate success (retcode=0) or failure 821 */ 822 void gzwrite_progress_init(u64 expected_size); 823 824 void gzwrite_progress(int iteration, 825 u64 bytes_written, 826 u64 total_bytes); 827 828 void gzwrite_progress_finish(int retcode, 829 u64 totalwritten, 830 u64 totalsize, 831 u32 expected_crc, 832 u32 calculated_crc); 833 834 /** 835 * decompress and write gzipped image from memory to block device 836 * 837 * @param src compressed image address 838 * @param len compressed image length in bytes 839 * @param dev block device descriptor 840 * @param szwritebuf bytes per write (pad to erase size) 841 * @param startoffs offset in bytes of first write 842 * @param szexpected expected uncompressed length 843 * may be zero to use gzip trailer 844 * for files under 4GiB 845 */ 846 int gzwrite(unsigned char *src, int len, 847 struct blk_desc *dev, 848 unsigned long szwritebuf, 849 u64 startoffs, 850 u64 szexpected); 851 852 /* lib/lz4_wrapper.c */ 853 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 854 855 /* lib/qsort.c */ 856 void qsort(void *base, size_t nmemb, size_t size, 857 int(*compar)(const void *, const void *)); 858 int strcmp_compar(const void *, const void *); 859 860 /* lib/uuid.c */ 861 #include <uuid.h> 862 863 /* lib/vsprintf.c */ 864 #include <vsprintf.h> 865 866 /* lib/strmhz.c */ 867 char * strmhz(char *buf, unsigned long hz); 868 869 /* lib/crc32.c */ 870 #include <u-boot/crc.h> 871 872 /* lib/rand.c */ 873 #define RAND_MAX -1U 874 void srand(unsigned int seed); 875 unsigned int rand(void); 876 unsigned int rand_r(unsigned int *seedp); 877 878 /* 879 * STDIO based functions (can always be used) 880 */ 881 /* serial stuff */ 882 int serial_printf (const char *fmt, ...) 883 __attribute__ ((format (__printf__, 1, 2))); 884 /* stdin */ 885 int getc(void); 886 int tstc(void); 887 888 /* stdout */ 889 #if !defined(CONFIG_SPL_BUILD) || \ 890 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 891 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 892 defined(CONFIG_SPL_SERIAL_SUPPORT)) 893 void putc(const char c); 894 void puts(const char *s); 895 int printf(const char *fmt, ...) 896 __attribute__ ((format (__printf__, 1, 2))); 897 int vprintf(const char *fmt, va_list args); 898 #else 899 #define putc(...) do { } while (0) 900 #define puts(...) do { } while (0) 901 #define printf(...) do { } while (0) 902 #define vprintf(...) do { } while (0) 903 #endif 904 905 /* stderr */ 906 #define eputc(c) fputc(stderr, c) 907 #define eputs(s) fputs(stderr, s) 908 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 909 910 /* 911 * FILE based functions (can only be used AFTER relocation!) 912 */ 913 #define stdin 0 914 #define stdout 1 915 #define stderr 2 916 #define MAX_FILES 3 917 918 int fprintf(int file, const char *fmt, ...) 919 __attribute__ ((format (__printf__, 2, 3))); 920 void fputs(int file, const char *s); 921 void fputc(int file, const char c); 922 int ftstc(int file); 923 int fgetc(int file); 924 925 /* lib/gzip.c */ 926 int gzip(void *dst, unsigned long *lenp, 927 unsigned char *src, unsigned long srclen); 928 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 929 unsigned long srclen, int stoponerr, 930 int (*func)(unsigned long, unsigned long)); 931 932 /* lib/net_utils.c */ 933 #include <net.h> 934 static inline struct in_addr getenv_ip(char *var) 935 { 936 return string_to_ip(getenv(var)); 937 } 938 939 int pcmcia_init (void); 940 941 #ifdef CONFIG_LED_STATUS 942 # include <status_led.h> 943 #endif 944 945 #include <bootstage.h> 946 947 #ifdef CONFIG_SHOW_ACTIVITY 948 void show_activity(int arg); 949 #endif 950 951 /* Multicore arch functions */ 952 #ifdef CONFIG_MP 953 int cpu_status(int nr); 954 int cpu_reset(int nr); 955 int cpu_disable(int nr); 956 int cpu_release(int nr, int argc, char * const argv[]); 957 #endif 958 959 #else /* __ASSEMBLY__ */ 960 961 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 962 #define _AC(X, Y) X 963 964 #endif /* __ASSEMBLY__ */ 965 966 #ifdef CONFIG_PPC 967 /* 968 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 969 * Otherwise might lead to compilation errors in assembler files. 970 */ 971 #include <asm/cache.h> 972 #endif 973 974 /* Put only stuff here that the assembler can digest */ 975 976 /* Declare an unsigned long constant digestable both by C and an assembler. */ 977 #define UL(x) _AC(x, UL) 978 979 #ifdef CONFIG_POST 980 #define CONFIG_HAS_POST 981 #ifndef CONFIG_POST_ALT_LIST 982 #define CONFIG_POST_STD_LIST 983 #endif 984 #endif 985 986 #ifdef CONFIG_INIT_CRITICAL 987 #error CONFIG_INIT_CRITICAL is deprecated! 988 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 989 #endif 990 991 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 992 993 /* 994 * check_member() - Check the offset of a structure member 995 * 996 * @structure: Name of structure (e.g. global_data) 997 * @member: Name of member (e.g. baudrate) 998 * @offset: Expected offset in bytes 999 */ 1000 #define check_member(structure, member, offset) _Static_assert( \ 1001 offsetof(struct structure, member) == offset, \ 1002 "`struct " #structure "` offset for `" #member "` is not " #offset) 1003 1004 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 1005 #ifdef CONFIG_EFI_STUB 1006 #define ll_boot_init() false 1007 #else 1008 #define ll_boot_init() true 1009 #endif 1010 1011 /* Pull in stuff for the build system */ 1012 #ifdef DO_DEPS_ONLY 1013 # include <environment.h> 1014 #endif 1015 1016 #endif /* __COMMON_H_ */ 1017