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