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 void hang (void) __attribute__ ((noreturn)); 207 208 int timer_init(void); 209 int cpu_init(void); 210 211 /* */ 212 phys_size_t initdram (int); 213 214 #include <display_options.h> 215 216 /* common/main.c */ 217 void main_loop (void); 218 int run_command(const char *cmd, int flag); 219 int run_command_repeatable(const char *cmd, int flag); 220 221 /** 222 * Run a list of commands separated by ; or even \0 223 * 224 * Note that if 'len' is not -1, then the command does not need to be nul 225 * terminated, Memory will be allocated for the command in that case. 226 * 227 * @param cmd List of commands to run, each separated bu semicolon 228 * @param len Length of commands excluding terminator if known (-1 if not) 229 * @param flag Execution flags (CMD_FLAG_...) 230 * @return 0 on success, or != 0 on error. 231 */ 232 int run_command_list(const char *cmd, int len, int flag); 233 234 /* arch/$(ARCH)/lib/board.c */ 235 void board_init_f(ulong); 236 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 237 238 /** 239 * ulong board_init_f_alloc_reserve - allocate reserved area 240 * 241 * This function is called by each architecture very early in the start-up 242 * code to allow the C runtime to reserve space on the stack for writable 243 * 'globals' such as GD and the malloc arena. 244 * 245 * @top: top of the reserve area, growing down. 246 * @return: bottom of reserved area 247 */ 248 ulong board_init_f_alloc_reserve(ulong top); 249 250 /** 251 * board_init_f_init_reserve - initialize the reserved area(s) 252 * 253 * This function is called once the C runtime has allocated the reserved 254 * area on the stack. It must initialize the GD at the base of that area. 255 * 256 * @base: top from which reservation was done 257 */ 258 void board_init_f_init_reserve(ulong base); 259 260 /** 261 * arch_setup_gd() - Set up the global_data pointer 262 * 263 * This pointer is special in some architectures and cannot easily be assigned 264 * to. For example on x86 it is implemented by adding a specific record to its 265 * Global Descriptor Table! So we we provide a function to carry out this task. 266 * For most architectures this can simply be: 267 * 268 * gd = gd_ptr; 269 * 270 * @gd_ptr: Pointer to global data 271 */ 272 void arch_setup_gd(gd_t *gd_ptr); 273 274 int checkboard(void); 275 int show_board_info(void); 276 int checkflash(void); 277 int checkdram(void); 278 int last_stage_init(void); 279 extern ulong monitor_flash_len; 280 int mac_read_from_eeprom(void); 281 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 282 int set_cpu_clk_info(void); 283 int mdm_init(void); 284 int print_cpuinfo(void); 285 int update_flash_size(int flash_size); 286 int arch_early_init_r(void); 287 288 /** 289 * arch_fsp_init() - perform firmware support package init 290 * 291 * Where U-Boot relies on binary blobs to handle part of the system init, this 292 * function can be used to set up the blobs. This is used on some Intel 293 * platforms. 294 */ 295 int arch_fsp_init(void); 296 297 /** 298 * arch_cpu_init_dm() - init CPU after driver model is available 299 * 300 * This is called immediately after driver model is available before 301 * relocation. This is similar to arch_cpu_init() but is able to reference 302 * devices 303 * 304 * @return 0 if OK, -ve on error 305 */ 306 int arch_cpu_init_dm(void); 307 308 /** 309 * Reserve all necessary stacks 310 * 311 * This is used in generic board init sequence in common/board_f.c. Each 312 * architecture could provide this function to tailor the required stacks. 313 * 314 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 315 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 316 * require only this can leave it untouched. 317 * 318 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 319 * positions of the stack. The stack pointer(s) will be set to this later. 320 * gd->irq_sp is only required, if the architecture needs it. 321 * 322 * @return 0 if no error 323 */ 324 __weak int arch_reserve_stacks(void); 325 326 /** 327 * Show the DRAM size in a board-specific way 328 * 329 * This is used by boards to display DRAM information in their own way. 330 * 331 * @param size Size of DRAM (which should be displayed along with other info) 332 */ 333 void board_show_dram(phys_size_t size); 334 335 /** 336 * arch_fixup_fdt() - Write arch-specific information to fdt 337 * 338 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 339 * 340 * @blob: FDT blob to write to 341 * @return 0 if ok, or -ve FDT_ERR_... on failure 342 */ 343 int arch_fixup_fdt(void *blob); 344 345 /* common/flash.c */ 346 void flash_perror (int); 347 348 /* common/cmd_source.c */ 349 int source (ulong addr, const char *fit_uname); 350 351 extern ulong load_addr; /* Default Load Address */ 352 extern ulong save_addr; /* Default Save Address */ 353 extern ulong save_size; /* Default Save Size */ 354 355 /* common/cmd_net.c */ 356 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 357 358 /* common/cmd_fat.c */ 359 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 360 361 /* common/cmd_ext2.c */ 362 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 363 364 /* common/cmd_nvedit.c */ 365 int env_init (void); 366 void env_relocate (void); 367 int envmatch (uchar *, int); 368 369 /* Avoid unfortunate conflict with libc's getenv() */ 370 #ifdef CONFIG_SANDBOX 371 #define getenv uboot_getenv 372 #endif 373 char *getenv (const char *); 374 int getenv_f (const char *name, char *buf, unsigned len); 375 ulong getenv_ulong(const char *name, int base, ulong default_val); 376 377 /** 378 * getenv_hex() - Return an environment variable as a hex value 379 * 380 * Decode an environment as a hex number (it may or may not have a 0x 381 * prefix). If the environment variable cannot be found, or does not start 382 * with hex digits, the default value is returned. 383 * 384 * @varname: Variable to decode 385 * @default_val: Value to return on error 386 */ 387 ulong getenv_hex(const char *varname, ulong default_val); 388 389 /* 390 * Read an environment variable as a boolean 391 * Return -1 if variable does not exist (default to true) 392 */ 393 int getenv_yesno(const char *var); 394 int saveenv (void); 395 int setenv (const char *, const char *); 396 int setenv_ulong(const char *varname, ulong value); 397 int setenv_hex(const char *varname, ulong value); 398 /** 399 * setenv_addr - Set an environment variable to an address in hex 400 * 401 * @varname: Environment variable to set 402 * @addr: Value to set it to 403 * @return 0 if ok, 1 on error 404 */ 405 static inline int setenv_addr(const char *varname, const void *addr) 406 { 407 return setenv_hex(varname, (ulong)addr); 408 } 409 410 #ifdef CONFIG_ARM 411 # include <asm/mach-types.h> 412 # include <asm/setup.h> 413 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 414 #endif /* CONFIG_ARM */ 415 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 416 # include <asm/u-boot-x86.h> 417 #endif /* CONFIG_X86 */ 418 #ifdef CONFIG_SANDBOX 419 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 420 #endif 421 #ifdef CONFIG_NDS32 422 # include <asm/mach-types.h> 423 # include <asm/setup.h> 424 # include <asm/u-boot-nds32.h> 425 #endif /* CONFIG_NDS32 */ 426 #ifdef CONFIG_MIPS 427 # include <asm/u-boot-mips.h> 428 #endif /* CONFIG_MIPS */ 429 #ifdef CONFIG_ARC 430 # include <asm/u-boot-arc.h> 431 #endif /* CONFIG_ARC */ 432 433 #ifdef CONFIG_AUTO_COMPLETE 434 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 435 #endif 436 int get_env_id (void); 437 438 void pci_init (void); 439 void pci_init_board(void); 440 441 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 442 int pci_pre_init (struct pci_controller *); 443 int is_pci_host (struct pci_controller *); 444 #endif 445 446 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 447 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 448 void pci_target_init (struct pci_controller *); 449 # endif 450 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 451 void pci_master_init (struct pci_controller *); 452 # endif 453 #if defined(CONFIG_440SPE) || \ 454 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 455 defined(CONFIG_405EX) 456 void pcie_setup_hoses(int busno); 457 #endif 458 #endif 459 460 int misc_init_f (void); 461 int misc_init_r (void); 462 463 /* common/exports.c */ 464 void jumptable_init(void); 465 466 /* common/kallsysm.c */ 467 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 468 469 /* api/api.c */ 470 void api_init (void); 471 472 /* common/memsize.c */ 473 long get_ram_size (long *, long); 474 phys_size_t get_effective_memsize(void); 475 476 /* $(BOARD)/$(BOARD).c */ 477 void reset_phy (void); 478 void fdc_hw_init (void); 479 480 /* $(BOARD)/eeprom.c */ 481 void eeprom_init (int bus); 482 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 483 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 484 485 /* 486 * Set this up regardless of board 487 * type, to prevent errors. 488 */ 489 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 490 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 491 #else 492 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 493 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 494 #endif 495 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 496 497 #if defined(CONFIG_SPI) 498 extern void spi_init_f (void); 499 extern void spi_init_r (void); 500 extern ssize_t spi_read (uchar *, int, uchar *, int); 501 extern ssize_t spi_write (uchar *, int, uchar *, int); 502 #endif 503 504 /* $(BOARD)/$(BOARD).c */ 505 int board_early_init_f (void); 506 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 507 int board_late_init (void); 508 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 509 int board_early_init_r (void); 510 void board_poweroff (void); 511 512 #if defined(CONFIG_SYS_DRAM_TEST) 513 int testdram(void); 514 #endif /* CONFIG_SYS_DRAM_TEST */ 515 516 /* $(CPU)/start.S */ 517 #if defined(CONFIG_5xx) || \ 518 defined(CONFIG_8xx) 519 uint get_immr (uint); 520 #endif 521 #if defined(CONFIG_MPC5xxx) 522 uint get_svr (void); 523 #endif 524 uint get_pvr (void); 525 uint get_svr (void); 526 uint rd_ic_cst (void); 527 void wr_ic_cst (uint); 528 void wr_ic_adr (uint); 529 uint rd_dc_cst (void); 530 void wr_dc_cst (uint); 531 void wr_dc_adr (uint); 532 int icache_status (void); 533 void icache_enable (void); 534 void icache_disable(void); 535 int dcache_status (void); 536 void dcache_enable (void); 537 void dcache_disable(void); 538 void mmu_disable(void); 539 #if defined(CONFIG_ARM) 540 void relocate_code(ulong); 541 #else 542 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 543 #endif 544 ulong get_endaddr (void); 545 void trap_init (ulong); 546 #if defined (CONFIG_4xx) || \ 547 defined (CONFIG_MPC5xxx) || \ 548 defined (CONFIG_MPC85xx) || \ 549 defined (CONFIG_MPC86xx) || \ 550 defined (CONFIG_MPC83xx) 551 unsigned char in8(unsigned int); 552 void out8(unsigned int, unsigned char); 553 unsigned short in16(unsigned int); 554 unsigned short in16r(unsigned int); 555 void out16(unsigned int, unsigned short value); 556 void out16r(unsigned int, unsigned short value); 557 unsigned long in32(unsigned int); 558 unsigned long in32r(unsigned int); 559 void out32(unsigned int, unsigned long value); 560 void out32r(unsigned int, unsigned long value); 561 void ppcDcbf(unsigned long value); 562 void ppcDcbi(unsigned long value); 563 void ppcSync(void); 564 void ppcDcbz(unsigned long value); 565 #endif 566 #if defined (CONFIG_MICROBLAZE) 567 unsigned short in16(unsigned int); 568 void out16(unsigned int, unsigned short value); 569 #endif 570 571 #if defined (CONFIG_MPC83xx) 572 void ppcDWload(unsigned int *addr, unsigned int *ret); 573 void ppcDWstore(unsigned int *addr, unsigned int *value); 574 void disable_addr_trans(void); 575 void enable_addr_trans(void); 576 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 577 void ddr_enable_ecc(unsigned int dram_size); 578 #endif 579 #endif 580 581 /* $(CPU)/cpu.c */ 582 static inline int cpumask_next(int cpu, unsigned int mask) 583 { 584 for (cpu++; !((1 << cpu) & mask); cpu++) 585 ; 586 587 return cpu; 588 } 589 590 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 591 for (iter = 0, cpu = cpumask_next(-1, mask); \ 592 iter < num_cpus; \ 593 iter++, cpu = cpumask_next(cpu, mask)) \ 594 595 int cpu_numcores (void); 596 int cpu_num_dspcores(void); 597 u32 cpu_mask (void); 598 u32 cpu_dsp_mask(void); 599 int is_core_valid (unsigned int); 600 601 /** 602 * arch_cpu_init() - basic cpu-dependent setup for an architecture 603 * 604 * This is called after early malloc is available. It should handle any 605 * CPU- or SoC- specific init needed to continue the init sequence. See 606 * board_f.c for where it is called. If this is not provided, a default 607 * version (which does nothing) will be used. 608 */ 609 int arch_cpu_init(void); 610 611 int checkcpu (void); 612 int checkicache (void); 613 int checkdcache (void); 614 void upmconfig (unsigned int, unsigned int *, unsigned int); 615 ulong get_tbclk (void); 616 void reset_misc (void); 617 void reset_cpu (ulong addr); 618 void ft_cpu_setup(void *blob, bd_t *bd); 619 void ft_pci_setup(void *blob, bd_t *bd); 620 621 void smp_set_core_boot_addr(unsigned long addr, int corenr); 622 void smp_kick_all_cpus(void); 623 624 /* $(CPU)/serial.c */ 625 int serial_init (void); 626 void serial_setbrg (void); 627 void serial_putc (const char); 628 void serial_putc_raw(const char); 629 void serial_puts (const char *); 630 int serial_getc (void); 631 int serial_tstc (void); 632 633 /* These versions take a stdio_dev pointer */ 634 struct stdio_dev; 635 int serial_stub_getc(struct stdio_dev *sdev); 636 int serial_stub_tstc(struct stdio_dev *sdev); 637 638 /* $(CPU)/speed.c */ 639 int get_clocks (void); 640 #if defined(CONFIG_MPC8260) 641 int prt_8260_clks (void); 642 #elif defined(CONFIG_MPC5xxx) 643 int prt_mpc5xxx_clks (void); 644 #endif 645 #ifdef CONFIG_4xx 646 ulong get_OPB_freq (void); 647 ulong get_PCI_freq (void); 648 #endif 649 #if defined(CONFIG_S3C24X0) || \ 650 defined(CONFIG_LH7A40X) || \ 651 defined(CONFIG_EP93XX) 652 ulong get_FCLK (void); 653 ulong get_HCLK (void); 654 ulong get_PCLK (void); 655 ulong get_UCLK (void); 656 #endif 657 #if defined(CONFIG_LH7A40X) 658 ulong get_PLLCLK (void); 659 #endif 660 #if defined(CONFIG_IMX) 661 ulong get_systemPLLCLK(void); 662 ulong get_FCLK(void); 663 ulong get_HCLK(void); 664 ulong get_BCLK(void); 665 ulong get_PERCLK1(void); 666 ulong get_PERCLK2(void); 667 ulong get_PERCLK3(void); 668 #endif 669 ulong get_bus_freq (ulong); 670 int get_serial_clock(void); 671 672 #if defined(CONFIG_MPC85xx) 673 typedef MPC85xx_SYS_INFO sys_info_t; 674 void get_sys_info ( sys_info_t * ); 675 void ft_fixup_cpu(void *, u64); 676 void ft_fixup_num_cores(void *); 677 #endif 678 #if defined(CONFIG_MPC86xx) 679 typedef MPC86xx_SYS_INFO sys_info_t; 680 void get_sys_info ( sys_info_t * ); 681 static inline ulong get_ddr_freq(ulong dummy) 682 { 683 return get_bus_freq(dummy); 684 } 685 #else 686 ulong get_ddr_freq(ulong); 687 #endif 688 689 #if defined(CONFIG_4xx) 690 # if defined(CONFIG_440) 691 # if defined(CONFIG_440SPE) 692 unsigned long determine_sysper(void); 693 unsigned long determine_pci_clock_per(void); 694 # endif 695 # endif 696 typedef PPC4xx_SYS_INFO sys_info_t; 697 int ppc440spe_revB(void); 698 void get_sys_info ( sys_info_t * ); 699 #endif 700 701 /* $(CPU)/cpu_init.c */ 702 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 703 void cpu_init_f (volatile immap_t *immr); 704 #endif 705 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 706 void cpu_init_f (void); 707 #endif 708 #ifdef CONFIG_MPC85xx 709 ulong cpu_init_f(void); 710 #endif 711 712 int cpu_init_r (void); 713 #if defined(CONFIG_MPC8260) 714 int prt_8260_rsr (void); 715 #endif 716 717 /* $(CPU)/interrupts.c */ 718 int interrupt_init (void); 719 void timer_interrupt (struct pt_regs *); 720 void external_interrupt (struct pt_regs *); 721 void irq_install_handler(int, interrupt_handler_t *, void *); 722 void irq_free_handler (int); 723 void reset_timer (void); 724 725 /* Return value of monotonic microsecond timer */ 726 unsigned long timer_get_us(void); 727 728 void enable_interrupts (void); 729 int disable_interrupts (void); 730 731 /* $(CPU)/.../commproc.c */ 732 int dpram_init (void); 733 uint dpram_base(void); 734 uint dpram_base_align(uint align); 735 uint dpram_alloc(uint size); 736 uint dpram_alloc_align(uint size,uint align); 737 void bootcount_store (ulong); 738 ulong bootcount_load (void); 739 #define BOOTCOUNT_MAGIC 0xB001C041 740 741 /* $(CPU)/.../<eth> */ 742 void mii_init (void); 743 744 /* $(CPU)/.../lcd.c */ 745 ulong lcd_setmem (ulong); 746 747 /* $(CPU)/.../video.c */ 748 ulong video_setmem (ulong); 749 750 /* arch/$(ARCH)/lib/cache.c */ 751 void enable_caches(void); 752 void flush_cache (unsigned long, unsigned long); 753 void flush_dcache_all(void); 754 void flush_dcache_range(unsigned long start, unsigned long stop); 755 void invalidate_dcache_range(unsigned long start, unsigned long stop); 756 void invalidate_dcache_all(void); 757 void invalidate_icache_all(void); 758 759 enum { 760 /* Disable caches (else flush caches but leave them active) */ 761 CBL_DISABLE_CACHES = 1 << 0, 762 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 763 764 CBL_ALL = 3, 765 }; 766 767 /** 768 * Clean up ready for linux 769 * 770 * @param flags Flags to control what is done 771 */ 772 int cleanup_before_linux_select(int flags); 773 774 /* arch/$(ARCH)/lib/ticks.S */ 775 uint64_t get_ticks(void); 776 void wait_ticks (unsigned long); 777 778 /* arch/$(ARCH)/lib/time.c */ 779 ulong usec2ticks (unsigned long usec); 780 ulong ticks2usec (unsigned long ticks); 781 782 /* lib/gunzip.c */ 783 int gunzip(void *, int, unsigned char *, unsigned long *); 784 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 785 int stoponerr, int offset); 786 787 /** 788 * gzwrite progress indicators: defined weak to allow board-specific 789 * overrides: 790 * 791 * gzwrite_progress_init called on startup 792 * gzwrite_progress called during decompress/write loop 793 * gzwrite_progress_finish called at end of loop to 794 * indicate success (retcode=0) or failure 795 */ 796 void gzwrite_progress_init(u64 expected_size); 797 798 void gzwrite_progress(int iteration, 799 u64 bytes_written, 800 u64 total_bytes); 801 802 void gzwrite_progress_finish(int retcode, 803 u64 totalwritten, 804 u64 totalsize, 805 u32 expected_crc, 806 u32 calculated_crc); 807 808 /** 809 * decompress and write gzipped image from memory to block device 810 * 811 * @param src compressed image address 812 * @param len compressed image length in bytes 813 * @param dev block device descriptor 814 * @param szwritebuf bytes per write (pad to erase size) 815 * @param startoffs offset in bytes of first write 816 * @param szexpected expected uncompressed length 817 * may be zero to use gzip trailer 818 * for files under 4GiB 819 */ 820 int gzwrite(unsigned char *src, int len, 821 struct blk_desc *dev, 822 unsigned long szwritebuf, 823 u64 startoffs, 824 u64 szexpected); 825 826 /* lib/lz4_wrapper.c */ 827 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 828 829 /* lib/qsort.c */ 830 void qsort(void *base, size_t nmemb, size_t size, 831 int(*compar)(const void *, const void *)); 832 int strcmp_compar(const void *, const void *); 833 834 /* lib/uuid.c */ 835 #include <uuid.h> 836 837 /* lib/vsprintf.c */ 838 #include <vsprintf.h> 839 840 /* lib/strmhz.c */ 841 char * strmhz(char *buf, unsigned long hz); 842 843 /* lib/crc32.c */ 844 #include <u-boot/crc.h> 845 846 /* lib/rand.c */ 847 #define RAND_MAX -1U 848 void srand(unsigned int seed); 849 unsigned int rand(void); 850 unsigned int rand_r(unsigned int *seedp); 851 852 /* 853 * STDIO based functions (can always be used) 854 */ 855 /* serial stuff */ 856 int serial_printf (const char *fmt, ...) 857 __attribute__ ((format (__printf__, 1, 2))); 858 /* stdin */ 859 int getc(void); 860 int tstc(void); 861 862 /* stdout */ 863 #if !defined(CONFIG_SPL_BUILD) || \ 864 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 865 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 866 defined(CONFIG_SPL_SERIAL_SUPPORT)) 867 void putc(const char c); 868 void puts(const char *s); 869 int printf(const char *fmt, ...) 870 __attribute__ ((format (__printf__, 1, 2))); 871 int vprintf(const char *fmt, va_list args); 872 #else 873 #define putc(...) do { } while (0) 874 #define puts(...) do { } while (0) 875 #define printf(...) do { } while (0) 876 #define vprintf(...) do { } while (0) 877 #endif 878 879 /* stderr */ 880 #define eputc(c) fputc(stderr, c) 881 #define eputs(s) fputs(stderr, s) 882 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 883 884 /* 885 * FILE based functions (can only be used AFTER relocation!) 886 */ 887 #define stdin 0 888 #define stdout 1 889 #define stderr 2 890 #define MAX_FILES 3 891 892 int fprintf(int file, const char *fmt, ...) 893 __attribute__ ((format (__printf__, 2, 3))); 894 void fputs(int file, const char *s); 895 void fputc(int file, const char c); 896 int ftstc(int file); 897 int fgetc(int file); 898 899 /* lib/gzip.c */ 900 int gzip(void *dst, unsigned long *lenp, 901 unsigned char *src, unsigned long srclen); 902 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 903 unsigned long srclen, int stoponerr, 904 int (*func)(unsigned long, unsigned long)); 905 906 /* lib/net_utils.c */ 907 #include <net.h> 908 static inline struct in_addr getenv_ip(char *var) 909 { 910 return string_to_ip(getenv(var)); 911 } 912 913 int pcmcia_init (void); 914 915 #ifdef CONFIG_LED_STATUS 916 # include <status_led.h> 917 #endif 918 919 #include <bootstage.h> 920 921 #ifdef CONFIG_SHOW_ACTIVITY 922 void show_activity(int arg); 923 #endif 924 925 /* Multicore arch functions */ 926 #ifdef CONFIG_MP 927 int cpu_status(int nr); 928 int cpu_reset(int nr); 929 int cpu_disable(int nr); 930 int cpu_release(int nr, int argc, char * const argv[]); 931 #endif 932 933 #else /* __ASSEMBLY__ */ 934 935 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 936 #define _AC(X, Y) X 937 938 #endif /* __ASSEMBLY__ */ 939 940 #ifdef CONFIG_PPC 941 /* 942 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 943 * Otherwise might lead to compilation errors in assembler files. 944 */ 945 #include <asm/cache.h> 946 #endif 947 948 /* Put only stuff here that the assembler can digest */ 949 950 /* Declare an unsigned long constant digestable both by C and an assembler. */ 951 #define UL(x) _AC(x, UL) 952 953 #ifdef CONFIG_POST 954 #define CONFIG_HAS_POST 955 #ifndef CONFIG_POST_ALT_LIST 956 #define CONFIG_POST_STD_LIST 957 #endif 958 #endif 959 960 #ifdef CONFIG_INIT_CRITICAL 961 #error CONFIG_INIT_CRITICAL is deprecated! 962 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 963 #endif 964 965 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 966 967 /* 968 * check_member() - Check the offset of a structure member 969 * 970 * @structure: Name of structure (e.g. global_data) 971 * @member: Name of member (e.g. baudrate) 972 * @offset: Expected offset in bytes 973 */ 974 #define check_member(structure, member, offset) _Static_assert( \ 975 offsetof(struct structure, member) == offset, \ 976 "`struct " #structure "` offset for `" #member "` is not " #offset) 977 978 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 979 #ifdef CONFIG_EFI_STUB 980 #define ll_boot_init() false 981 #else 982 #define ll_boot_init() true 983 #endif 984 985 /* Pull in stuff for the build system */ 986 #ifdef DO_DEPS_ONLY 987 # include <environment.h> 988 #endif 989 990 #endif /* __COMMON_H_ */ 991