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_8xx) 34 #include <asm/8xx_immap.h> 35 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 36 defined(CONFIG_MPC866) || \ 37 defined(CONFIG_MPC866P) 38 # define CONFIG_MPC866_FAMILY 1 39 #elif defined(CONFIG_MPC885) 40 # define CONFIG_MPC885_FAMILY 1 41 #endif 42 #if defined(CONFIG_MPC860) \ 43 || defined(CONFIG_MPC860T) \ 44 || defined(CONFIG_MPC866_FAMILY) \ 45 || defined(CONFIG_MPC885_FAMILY) 46 # define CONFIG_MPC86x 1 47 #endif 48 #elif defined(CONFIG_5xx) 49 #include <asm/5xx_immap.h> 50 #elif defined(CONFIG_MPC5xxx) 51 #include <mpc5xxx.h> 52 #elif defined(CONFIG_MPC512X) 53 #include <asm/immap_512x.h> 54 #elif defined(CONFIG_MPC8260) 55 #if defined(CONFIG_MPC8247) \ 56 || defined(CONFIG_MPC8272) 57 #define CONFIG_MPC8272_FAMILY 1 58 #endif 59 #include <asm/immap_8260.h> 60 #endif 61 #ifdef CONFIG_MPC86xx 62 #include <mpc86xx.h> 63 #include <asm/immap_86xx.h> 64 #endif 65 #ifdef CONFIG_MPC85xx 66 #include <mpc85xx.h> 67 #include <asm/immap_85xx.h> 68 #endif 69 #ifdef CONFIG_MPC83xx 70 #include <mpc83xx.h> 71 #include <asm/immap_83xx.h> 72 #endif 73 #ifdef CONFIG_4xx 74 #include <asm/ppc4xx.h> 75 #endif 76 #ifdef CONFIG_SOC_DA8XX 77 #include <asm/arch/hardware.h> 78 #endif 79 #ifdef CONFIG_FSL_LSCH3 80 #include <asm/arch/immap_lsch3.h> 81 #endif 82 #ifdef CONFIG_FSL_LSCH2 83 #include <asm/arch/immap_lsch2.h> 84 #endif 85 86 #include <part.h> 87 #include <flash.h> 88 #include <image.h> 89 90 /* Bring in printf format macros if inttypes.h is included */ 91 #define __STDC_FORMAT_MACROS 92 93 #ifdef __LP64__ 94 #define CONFIG_SYS_SUPPORT_64BIT_DATA 95 #endif 96 97 #ifdef DEBUG 98 #define _DEBUG 1 99 #else 100 #define _DEBUG 0 101 #endif 102 103 #ifdef CONFIG_SPL_BUILD 104 #define _SPL_BUILD 1 105 #else 106 #define _SPL_BUILD 0 107 #endif 108 109 /* Define this at the top of a file to add a prefix to debug messages */ 110 #ifndef pr_fmt 111 #define pr_fmt(fmt) fmt 112 #endif 113 114 /* 115 * Output a debug text when condition "cond" is met. The "cond" should be 116 * computed by a preprocessor in the best case, allowing for the best 117 * optimization. 118 */ 119 #define debug_cond(cond, fmt, args...) \ 120 do { \ 121 if (cond) \ 122 printf(pr_fmt(fmt), ##args); \ 123 } while (0) 124 125 /* Show a message if DEBUG is defined in a file */ 126 #define debug(fmt, args...) \ 127 debug_cond(_DEBUG, fmt, ##args) 128 129 /* Show a message if not in SPL */ 130 #define warn_non_spl(fmt, args...) \ 131 debug_cond(!_SPL_BUILD, fmt, ##args) 132 133 /* 134 * An assertion is run-time check done in debug mode only. If DEBUG is not 135 * defined then it is skipped. If DEBUG is defined and the assertion fails, 136 * then it calls panic*( which may or may not reset/halt U-Boot (see 137 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 138 * before release, and after release it is hoped that they don't matter. But 139 * in any case these failing assertions cannot be fixed with a reset (which 140 * may just do the same assertion again). 141 */ 142 void __assert_fail(const char *assertion, const char *file, unsigned line, 143 const char *function); 144 #define assert(x) \ 145 ({ if (!(x) && _DEBUG) \ 146 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 147 148 #define error(fmt, args...) do { \ 149 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 150 ##args, __FILE__, __LINE__, __func__); \ 151 } while (0) 152 153 #ifndef BUG 154 #define BUG() do { \ 155 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 156 panic("BUG!"); \ 157 } while (0) 158 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 159 #endif /* BUG */ 160 161 typedef void (interrupt_handler_t)(void *); 162 163 #include <asm/u-boot.h> /* boot information for Linux kernel */ 164 #include <asm/global_data.h> /* global data used for startup functions */ 165 166 /* 167 * enable common handling for all TQM8xxL/M boards: 168 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 169 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 170 * and for the TQM885D board 171 */ 172 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 173 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 174 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 175 # ifndef CONFIG_TQM8xxM 176 # define CONFIG_TQM8xxM 177 # endif 178 #endif 179 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 180 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 181 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 182 defined(CONFIG_TQM885D) 183 # ifndef CONFIG_TQM8xxL 184 # define CONFIG_TQM8xxL 185 # endif 186 #endif 187 188 #if defined(CONFIG_ENV_IS_EMBEDDED) 189 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 190 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 191 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 192 defined(CONFIG_ENV_IS_IN_NVRAM) 193 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 194 #else 195 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 196 #endif 197 198 /* 199 * Function Prototypes 200 */ 201 int dram_init(void); 202 203 /** 204 * dram_init_banksize() - Set up DRAM bank sizes 205 * 206 * This can be implemented by boards to set up the DRAM bank information in 207 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 208 * is called. 209 * 210 * If this is not provided, a default implementation will try to set up a 211 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 212 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 213 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 214 * get_effective_memsize(). 215 * 216 * @return 0 if OK, -ve on error 217 */ 218 int dram_init_banksize(void); 219 220 void hang (void) __attribute__ ((noreturn)); 221 222 int timer_init(void); 223 int cpu_init(void); 224 225 #include <display_options.h> 226 227 /* common/main.c */ 228 void main_loop (void); 229 int run_command(const char *cmd, int flag); 230 int run_command_repeatable(const char *cmd, int flag); 231 232 /** 233 * Run a list of commands separated by ; or even \0 234 * 235 * Note that if 'len' is not -1, then the command does not need to be nul 236 * terminated, Memory will be allocated for the command in that case. 237 * 238 * @param cmd List of commands to run, each separated bu semicolon 239 * @param len Length of commands excluding terminator if known (-1 if not) 240 * @param flag Execution flags (CMD_FLAG_...) 241 * @return 0 on success, or != 0 on error. 242 */ 243 int run_command_list(const char *cmd, int len, int flag); 244 245 /* arch/$(ARCH)/lib/board.c */ 246 void board_init_f(ulong); 247 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 248 249 /** 250 * ulong board_init_f_alloc_reserve - allocate reserved area 251 * 252 * This function is called by each architecture very early in the start-up 253 * code to allow the C runtime to reserve space on the stack for writable 254 * 'globals' such as GD and the malloc arena. 255 * 256 * @top: top of the reserve area, growing down. 257 * @return: bottom of reserved area 258 */ 259 ulong board_init_f_alloc_reserve(ulong top); 260 261 /** 262 * board_init_f_init_reserve - initialize the reserved area(s) 263 * 264 * This function is called once the C runtime has allocated the reserved 265 * area on the stack. It must initialize the GD at the base of that area. 266 * 267 * @base: top from which reservation was done 268 */ 269 void board_init_f_init_reserve(ulong base); 270 271 /** 272 * arch_setup_gd() - Set up the global_data pointer 273 * 274 * This pointer is special in some architectures and cannot easily be assigned 275 * to. For example on x86 it is implemented by adding a specific record to its 276 * Global Descriptor Table! So we we provide a function to carry out this task. 277 * For most architectures this can simply be: 278 * 279 * gd = gd_ptr; 280 * 281 * @gd_ptr: Pointer to global data 282 */ 283 void arch_setup_gd(gd_t *gd_ptr); 284 285 int checkboard(void); 286 int show_board_info(void); 287 int checkflash(void); 288 int checkdram(void); 289 int last_stage_init(void); 290 extern ulong monitor_flash_len; 291 int mac_read_from_eeprom(void); 292 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 293 int set_cpu_clk_info(void); 294 int mdm_init(void); 295 int print_cpuinfo(void); 296 int update_flash_size(int flash_size); 297 int arch_early_init_r(void); 298 299 /* 300 * setup_board_extra() - Fill in extra details in the bd_t structure 301 * 302 * @return 0 if OK, -ve on error 303 */ 304 int setup_board_extra(void); 305 306 /** 307 * arch_fsp_init() - perform firmware support package init 308 * 309 * Where U-Boot relies on binary blobs to handle part of the system init, this 310 * function can be used to set up the blobs. This is used on some Intel 311 * platforms. 312 */ 313 int arch_fsp_init(void); 314 315 /** 316 * arch_cpu_init_dm() - init CPU after driver model is available 317 * 318 * This is called immediately after driver model is available before 319 * relocation. This is similar to arch_cpu_init() but is able to reference 320 * devices 321 * 322 * @return 0 if OK, -ve on error 323 */ 324 int arch_cpu_init_dm(void); 325 326 /** 327 * Reserve all necessary stacks 328 * 329 * This is used in generic board init sequence in common/board_f.c. Each 330 * architecture could provide this function to tailor the required stacks. 331 * 332 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 333 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 334 * require only this can leave it untouched. 335 * 336 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 337 * positions of the stack. The stack pointer(s) will be set to this later. 338 * gd->irq_sp is only required, if the architecture needs it. 339 * 340 * @return 0 if no error 341 */ 342 __weak int arch_reserve_stacks(void); 343 344 /** 345 * Show the DRAM size in a board-specific way 346 * 347 * This is used by boards to display DRAM information in their own way. 348 * 349 * @param size Size of DRAM (which should be displayed along with other info) 350 */ 351 void board_show_dram(phys_size_t size); 352 353 /** 354 * arch_fixup_fdt() - Write arch-specific information to fdt 355 * 356 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 357 * 358 * @blob: FDT blob to write to 359 * @return 0 if ok, or -ve FDT_ERR_... on failure 360 */ 361 int arch_fixup_fdt(void *blob); 362 363 /* common/flash.c */ 364 void flash_perror (int); 365 366 /* common/cmd_source.c */ 367 int source (ulong addr, const char *fit_uname); 368 369 extern ulong load_addr; /* Default Load Address */ 370 extern ulong save_addr; /* Default Save Address */ 371 extern ulong save_size; /* Default Save Size */ 372 373 /* common/cmd_net.c */ 374 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 375 376 /* common/cmd_fat.c */ 377 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 378 379 /* common/cmd_ext2.c */ 380 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 381 382 /* common/cmd_nvedit.c */ 383 int env_init (void); 384 void env_relocate (void); 385 int envmatch (uchar *, int); 386 387 /* Avoid unfortunate conflict with libc's getenv() */ 388 #ifdef CONFIG_SANDBOX 389 #define getenv uboot_getenv 390 #endif 391 char *getenv (const char *); 392 int getenv_f (const char *name, char *buf, unsigned len); 393 ulong getenv_ulong(const char *name, int base, ulong default_val); 394 395 /** 396 * getenv_hex() - Return an environment variable as a hex value 397 * 398 * Decode an environment as a hex number (it may or may not have a 0x 399 * prefix). If the environment variable cannot be found, or does not start 400 * with hex digits, the default value is returned. 401 * 402 * @varname: Variable to decode 403 * @default_val: Value to return on error 404 */ 405 ulong getenv_hex(const char *varname, ulong default_val); 406 407 /* 408 * Read an environment variable as a boolean 409 * Return -1 if variable does not exist (default to true) 410 */ 411 int getenv_yesno(const char *var); 412 int saveenv (void); 413 int setenv (const char *, const char *); 414 int setenv_ulong(const char *varname, ulong value); 415 int setenv_hex(const char *varname, ulong value); 416 /** 417 * setenv_addr - Set an environment variable to an address in hex 418 * 419 * @varname: Environment variable to set 420 * @addr: Value to set it to 421 * @return 0 if ok, 1 on error 422 */ 423 static inline int setenv_addr(const char *varname, const void *addr) 424 { 425 return setenv_hex(varname, (ulong)addr); 426 } 427 428 #ifdef CONFIG_ARM 429 # include <asm/mach-types.h> 430 # include <asm/setup.h> 431 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 432 #endif /* CONFIG_ARM */ 433 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 434 # include <asm/u-boot-x86.h> 435 #endif /* CONFIG_X86 */ 436 #ifdef CONFIG_SANDBOX 437 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 438 #endif 439 #ifdef CONFIG_NDS32 440 # include <asm/mach-types.h> 441 # include <asm/setup.h> 442 # include <asm/u-boot-nds32.h> 443 #endif /* CONFIG_NDS32 */ 444 #ifdef CONFIG_MIPS 445 # include <asm/u-boot-mips.h> 446 #endif /* CONFIG_MIPS */ 447 #ifdef CONFIG_ARC 448 # include <asm/u-boot-arc.h> 449 #endif /* CONFIG_ARC */ 450 451 #ifdef CONFIG_AUTO_COMPLETE 452 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 453 #endif 454 int get_env_id (void); 455 456 void pci_init (void); 457 void pci_init_board(void); 458 459 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 460 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 461 void pci_master_init (struct pci_controller *); 462 # endif 463 #if defined(CONFIG_440SPE) || \ 464 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 465 defined(CONFIG_405EX) 466 void pcie_setup_hoses(int busno); 467 #endif 468 #endif 469 470 int misc_init_f (void); 471 int misc_init_r (void); 472 473 /* common/exports.c */ 474 void jumptable_init(void); 475 476 /* common/kallsysm.c */ 477 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 478 479 /* api/api.c */ 480 void api_init (void); 481 482 /* common/memsize.c */ 483 long get_ram_size (long *, long); 484 phys_size_t get_effective_memsize(void); 485 486 /* $(BOARD)/$(BOARD).c */ 487 void reset_phy (void); 488 void fdc_hw_init (void); 489 490 /* $(BOARD)/eeprom.c */ 491 #ifdef CONFIG_CMD_EEPROM 492 void eeprom_init (int bus); 493 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 494 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 495 #else 496 /* 497 * Some EEPROM code is depecated because it used the legacy I2C interface. Add 498 * some macros here so we don't have to touch every one of those uses 499 */ 500 #define eeprom_init(bus) 501 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 502 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS) 503 #endif 504 505 /* 506 * Set this up regardless of board 507 * type, to prevent errors. 508 */ 509 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 510 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 511 #else 512 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 513 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 514 #endif 515 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 516 517 #if defined(CONFIG_SPI) 518 extern void spi_init_f (void); 519 extern void spi_init_r (void); 520 extern ssize_t spi_read (uchar *, int, uchar *, int); 521 extern ssize_t spi_write (uchar *, int, uchar *, int); 522 #endif 523 524 /* $(BOARD)/$(BOARD).c */ 525 int board_early_init_f (void); 526 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 527 int board_late_init (void); 528 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 529 int board_early_init_r (void); 530 void board_poweroff (void); 531 532 #if defined(CONFIG_SYS_DRAM_TEST) 533 int testdram(void); 534 #endif /* CONFIG_SYS_DRAM_TEST */ 535 536 /* $(CPU)/start.S */ 537 #if defined(CONFIG_5xx) || \ 538 defined(CONFIG_8xx) 539 uint get_immr (uint); 540 #endif 541 #if defined(CONFIG_MPC5xxx) 542 uint get_svr (void); 543 #endif 544 uint get_pvr (void); 545 uint get_svr (void); 546 uint rd_ic_cst (void); 547 void wr_ic_cst (uint); 548 void wr_ic_adr (uint); 549 uint rd_dc_cst (void); 550 void wr_dc_cst (uint); 551 void wr_dc_adr (uint); 552 int icache_status (void); 553 void icache_enable (void); 554 void icache_disable(void); 555 int dcache_status (void); 556 void dcache_enable (void); 557 void dcache_disable(void); 558 void mmu_disable(void); 559 #if defined(CONFIG_ARM) 560 void relocate_code(ulong); 561 #else 562 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 563 #endif 564 ulong get_endaddr (void); 565 void trap_init (ulong); 566 #if defined (CONFIG_4xx) || \ 567 defined (CONFIG_MPC5xxx) || \ 568 defined (CONFIG_MPC85xx) || \ 569 defined (CONFIG_MPC86xx) || \ 570 defined (CONFIG_MPC83xx) 571 unsigned char in8(unsigned int); 572 void out8(unsigned int, unsigned char); 573 unsigned short in16(unsigned int); 574 unsigned short in16r(unsigned int); 575 void out16(unsigned int, unsigned short value); 576 void out16r(unsigned int, unsigned short value); 577 unsigned long in32(unsigned int); 578 unsigned long in32r(unsigned int); 579 void out32(unsigned int, unsigned long value); 580 void out32r(unsigned int, unsigned long value); 581 void ppcDcbf(unsigned long value); 582 void ppcDcbi(unsigned long value); 583 void ppcSync(void); 584 void ppcDcbz(unsigned long value); 585 #endif 586 #if defined (CONFIG_MICROBLAZE) 587 unsigned short in16(unsigned int); 588 void out16(unsigned int, unsigned short value); 589 #endif 590 591 #if defined (CONFIG_MPC83xx) 592 void ppcDWload(unsigned int *addr, unsigned int *ret); 593 void ppcDWstore(unsigned int *addr, unsigned int *value); 594 void disable_addr_trans(void); 595 void enable_addr_trans(void); 596 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 597 void ddr_enable_ecc(unsigned int dram_size); 598 #endif 599 #endif 600 601 /* $(CPU)/cpu.c */ 602 static inline int cpumask_next(int cpu, unsigned int mask) 603 { 604 for (cpu++; !((1 << cpu) & mask); cpu++) 605 ; 606 607 return cpu; 608 } 609 610 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 611 for (iter = 0, cpu = cpumask_next(-1, mask); \ 612 iter < num_cpus; \ 613 iter++, cpu = cpumask_next(cpu, mask)) \ 614 615 int cpu_numcores (void); 616 int cpu_num_dspcores(void); 617 u32 cpu_mask (void); 618 u32 cpu_dsp_mask(void); 619 int is_core_valid (unsigned int); 620 621 /** 622 * arch_cpu_init() - basic cpu-dependent setup for an architecture 623 * 624 * This is called after early malloc is available. It should handle any 625 * CPU- or SoC- specific init needed to continue the init sequence. See 626 * board_f.c for where it is called. If this is not provided, a default 627 * version (which does nothing) will be used. 628 */ 629 int arch_cpu_init(void); 630 631 int checkcpu (void); 632 int checkicache (void); 633 int checkdcache (void); 634 void upmconfig (unsigned int, unsigned int *, unsigned int); 635 ulong get_tbclk (void); 636 void reset_misc (void); 637 void reset_cpu (ulong addr); 638 void ft_cpu_setup(void *blob, bd_t *bd); 639 void ft_pci_setup(void *blob, bd_t *bd); 640 641 void smp_set_core_boot_addr(unsigned long addr, int corenr); 642 void smp_kick_all_cpus(void); 643 644 /* $(CPU)/serial.c */ 645 int serial_init (void); 646 void serial_setbrg (void); 647 void serial_putc (const char); 648 void serial_putc_raw(const char); 649 void serial_puts (const char *); 650 int serial_getc (void); 651 int serial_tstc (void); 652 653 /* These versions take a stdio_dev pointer */ 654 struct stdio_dev; 655 int serial_stub_getc(struct stdio_dev *sdev); 656 int serial_stub_tstc(struct stdio_dev *sdev); 657 658 /* $(CPU)/speed.c */ 659 int get_clocks (void); 660 #if defined(CONFIG_MPC5xxx) 661 int prt_mpc5xxx_clks (void); 662 #endif 663 #ifdef CONFIG_4xx 664 ulong get_OPB_freq (void); 665 ulong get_PCI_freq (void); 666 #endif 667 #if defined(CONFIG_S3C24X0) || \ 668 defined(CONFIG_LH7A40X) || \ 669 defined(CONFIG_EP93XX) 670 ulong get_FCLK (void); 671 ulong get_HCLK (void); 672 ulong get_PCLK (void); 673 ulong get_UCLK (void); 674 #endif 675 #if defined(CONFIG_LH7A40X) 676 ulong get_PLLCLK (void); 677 #endif 678 #if defined(CONFIG_IMX) 679 ulong get_systemPLLCLK(void); 680 ulong get_FCLK(void); 681 ulong get_HCLK(void); 682 ulong get_BCLK(void); 683 ulong get_PERCLK1(void); 684 ulong get_PERCLK2(void); 685 ulong get_PERCLK3(void); 686 #endif 687 ulong get_bus_freq (ulong); 688 int get_serial_clock(void); 689 690 #if defined(CONFIG_MPC85xx) 691 typedef MPC85xx_SYS_INFO sys_info_t; 692 void get_sys_info ( sys_info_t * ); 693 void ft_fixup_cpu(void *, u64); 694 void ft_fixup_num_cores(void *); 695 #endif 696 #if defined(CONFIG_MPC86xx) 697 typedef MPC86xx_SYS_INFO sys_info_t; 698 void get_sys_info ( sys_info_t * ); 699 static inline ulong get_ddr_freq(ulong dummy) 700 { 701 return get_bus_freq(dummy); 702 } 703 #else 704 ulong get_ddr_freq(ulong); 705 #endif 706 707 #if defined(CONFIG_4xx) 708 # if defined(CONFIG_440) 709 # if defined(CONFIG_440SPE) 710 unsigned long determine_sysper(void); 711 unsigned long determine_pci_clock_per(void); 712 # endif 713 # endif 714 typedef PPC4xx_SYS_INFO sys_info_t; 715 int ppc440spe_revB(void); 716 void get_sys_info ( sys_info_t * ); 717 #endif 718 719 /* $(CPU)/cpu_init.c */ 720 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 721 void cpu_init_f (volatile immap_t *immr); 722 #endif 723 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 724 void cpu_init_f (void); 725 #endif 726 #ifdef CONFIG_MPC85xx 727 ulong cpu_init_f(void); 728 #endif 729 730 int cpu_init_r (void); 731 732 /* $(CPU)/interrupts.c */ 733 int interrupt_init (void); 734 void timer_interrupt (struct pt_regs *); 735 void external_interrupt (struct pt_regs *); 736 void irq_install_handler(int, interrupt_handler_t *, void *); 737 void irq_free_handler (int); 738 void reset_timer (void); 739 740 /* Return value of monotonic microsecond timer */ 741 unsigned long timer_get_us(void); 742 743 void enable_interrupts (void); 744 int disable_interrupts (void); 745 746 /* $(CPU)/.../commproc.c */ 747 int dpram_init (void); 748 uint dpram_base(void); 749 uint dpram_base_align(uint align); 750 uint dpram_alloc(uint size); 751 uint dpram_alloc_align(uint size,uint align); 752 void bootcount_store (ulong); 753 ulong bootcount_load (void); 754 #define BOOTCOUNT_MAGIC 0xB001C041 755 756 /* $(CPU)/.../<eth> */ 757 void mii_init (void); 758 759 /* $(CPU)/.../lcd.c */ 760 ulong lcd_setmem (ulong); 761 762 /* $(CPU)/.../video.c */ 763 ulong video_setmem (ulong); 764 765 /* arch/$(ARCH)/lib/cache.c */ 766 void enable_caches(void); 767 void flush_cache (unsigned long, unsigned long); 768 void flush_dcache_all(void); 769 void flush_dcache_range(unsigned long start, unsigned long stop); 770 void invalidate_dcache_range(unsigned long start, unsigned long stop); 771 void invalidate_dcache_all(void); 772 void invalidate_icache_all(void); 773 774 enum { 775 /* Disable caches (else flush caches but leave them active) */ 776 CBL_DISABLE_CACHES = 1 << 0, 777 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 778 779 CBL_ALL = 3, 780 }; 781 782 /** 783 * Clean up ready for linux 784 * 785 * @param flags Flags to control what is done 786 */ 787 int cleanup_before_linux_select(int flags); 788 789 /* arch/$(ARCH)/lib/ticks.S */ 790 uint64_t get_ticks(void); 791 void wait_ticks (unsigned long); 792 793 /* arch/$(ARCH)/lib/time.c */ 794 ulong usec2ticks (unsigned long usec); 795 ulong ticks2usec (unsigned long ticks); 796 797 /* lib/gunzip.c */ 798 int gunzip(void *, int, unsigned char *, unsigned long *); 799 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 800 int stoponerr, int offset); 801 802 /** 803 * gzwrite progress indicators: defined weak to allow board-specific 804 * overrides: 805 * 806 * gzwrite_progress_init called on startup 807 * gzwrite_progress called during decompress/write loop 808 * gzwrite_progress_finish called at end of loop to 809 * indicate success (retcode=0) or failure 810 */ 811 void gzwrite_progress_init(u64 expected_size); 812 813 void gzwrite_progress(int iteration, 814 u64 bytes_written, 815 u64 total_bytes); 816 817 void gzwrite_progress_finish(int retcode, 818 u64 totalwritten, 819 u64 totalsize, 820 u32 expected_crc, 821 u32 calculated_crc); 822 823 /** 824 * decompress and write gzipped image from memory to block device 825 * 826 * @param src compressed image address 827 * @param len compressed image length in bytes 828 * @param dev block device descriptor 829 * @param szwritebuf bytes per write (pad to erase size) 830 * @param startoffs offset in bytes of first write 831 * @param szexpected expected uncompressed length 832 * may be zero to use gzip trailer 833 * for files under 4GiB 834 */ 835 int gzwrite(unsigned char *src, int len, 836 struct blk_desc *dev, 837 unsigned long szwritebuf, 838 u64 startoffs, 839 u64 szexpected); 840 841 /* lib/lz4_wrapper.c */ 842 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 843 844 /* lib/qsort.c */ 845 void qsort(void *base, size_t nmemb, size_t size, 846 int(*compar)(const void *, const void *)); 847 int strcmp_compar(const void *, const void *); 848 849 /* lib/uuid.c */ 850 #include <uuid.h> 851 852 /* lib/vsprintf.c */ 853 #include <vsprintf.h> 854 855 /* lib/strmhz.c */ 856 char * strmhz(char *buf, unsigned long hz); 857 858 /* lib/crc32.c */ 859 #include <u-boot/crc.h> 860 861 /* lib/rand.c */ 862 #define RAND_MAX -1U 863 void srand(unsigned int seed); 864 unsigned int rand(void); 865 unsigned int rand_r(unsigned int *seedp); 866 867 /* 868 * STDIO based functions (can always be used) 869 */ 870 /* serial stuff */ 871 int serial_printf (const char *fmt, ...) 872 __attribute__ ((format (__printf__, 1, 2))); 873 /* stdin */ 874 int getc(void); 875 int tstc(void); 876 877 /* stdout */ 878 #if !defined(CONFIG_SPL_BUILD) || \ 879 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 880 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 881 defined(CONFIG_SPL_SERIAL_SUPPORT)) 882 void putc(const char c); 883 void puts(const char *s); 884 int printf(const char *fmt, ...) 885 __attribute__ ((format (__printf__, 1, 2))); 886 int vprintf(const char *fmt, va_list args); 887 #else 888 #define putc(...) do { } while (0) 889 #define puts(...) do { } while (0) 890 #define printf(...) do { } while (0) 891 #define vprintf(...) do { } while (0) 892 #endif 893 894 /* stderr */ 895 #define eputc(c) fputc(stderr, c) 896 #define eputs(s) fputs(stderr, s) 897 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 898 899 /* 900 * FILE based functions (can only be used AFTER relocation!) 901 */ 902 #define stdin 0 903 #define stdout 1 904 #define stderr 2 905 #define MAX_FILES 3 906 907 int fprintf(int file, const char *fmt, ...) 908 __attribute__ ((format (__printf__, 2, 3))); 909 void fputs(int file, const char *s); 910 void fputc(int file, const char c); 911 int ftstc(int file); 912 int fgetc(int file); 913 914 /* lib/gzip.c */ 915 int gzip(void *dst, unsigned long *lenp, 916 unsigned char *src, unsigned long srclen); 917 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 918 unsigned long srclen, int stoponerr, 919 int (*func)(unsigned long, unsigned long)); 920 921 /* lib/net_utils.c */ 922 #include <net.h> 923 static inline struct in_addr getenv_ip(char *var) 924 { 925 return string_to_ip(getenv(var)); 926 } 927 928 int pcmcia_init (void); 929 930 #ifdef CONFIG_LED_STATUS 931 # include <status_led.h> 932 #endif 933 934 #include <bootstage.h> 935 936 #ifdef CONFIG_SHOW_ACTIVITY 937 void show_activity(int arg); 938 #endif 939 940 /* Multicore arch functions */ 941 #ifdef CONFIG_MP 942 int cpu_status(int nr); 943 int cpu_reset(int nr); 944 int cpu_disable(int nr); 945 int cpu_release(int nr, int argc, char * const argv[]); 946 #endif 947 948 #else /* __ASSEMBLY__ */ 949 950 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 951 #define _AC(X, Y) X 952 953 #endif /* __ASSEMBLY__ */ 954 955 #ifdef CONFIG_PPC 956 /* 957 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 958 * Otherwise might lead to compilation errors in assembler files. 959 */ 960 #include <asm/cache.h> 961 #endif 962 963 /* Put only stuff here that the assembler can digest */ 964 965 /* Declare an unsigned long constant digestable both by C and an assembler. */ 966 #define UL(x) _AC(x, UL) 967 968 #ifdef CONFIG_POST 969 #define CONFIG_HAS_POST 970 #ifndef CONFIG_POST_ALT_LIST 971 #define CONFIG_POST_STD_LIST 972 #endif 973 #endif 974 975 #ifdef CONFIG_INIT_CRITICAL 976 #error CONFIG_INIT_CRITICAL is deprecated! 977 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 978 #endif 979 980 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 981 982 /* 983 * check_member() - Check the offset of a structure member 984 * 985 * @structure: Name of structure (e.g. global_data) 986 * @member: Name of member (e.g. baudrate) 987 * @offset: Expected offset in bytes 988 */ 989 #define check_member(structure, member, offset) _Static_assert( \ 990 offsetof(struct structure, member) == offset, \ 991 "`struct " #structure "` offset for `" #member "` is not " #offset) 992 993 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 994 #ifdef CONFIG_EFI_STUB 995 #define ll_boot_init() false 996 #else 997 #define ll_boot_init() true 998 #endif 999 1000 /* Pull in stuff for the build system */ 1001 #ifdef DO_DEPS_ONLY 1002 # include <environment.h> 1003 #endif 1004 1005 #endif /* __COMMON_H_ */ 1006