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 <asm-offsets.h> 24 #include <linux/bitops.h> 25 #include <linux/delay.h> 26 #include <linux/types.h> 27 #include <linux/string.h> 28 #include <linux/stringify.h> 29 #include <asm/ptrace.h> 30 #include <stdarg.h> 31 #include <linux/kernel.h> 32 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 33 #include <pci.h> 34 #endif 35 #if defined(CONFIG_8xx) 36 #include <asm/8xx_immap.h> 37 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 38 defined(CONFIG_MPC866) || \ 39 defined(CONFIG_MPC866P) 40 # define CONFIG_MPC866_FAMILY 1 41 #elif defined(CONFIG_MPC885) 42 # define CONFIG_MPC885_FAMILY 1 43 #endif 44 #if defined(CONFIG_MPC860) \ 45 || defined(CONFIG_MPC860T) \ 46 || defined(CONFIG_MPC866_FAMILY) \ 47 || defined(CONFIG_MPC885_FAMILY) 48 # define CONFIG_MPC86x 1 49 #endif 50 #elif defined(CONFIG_5xx) 51 #include <asm/5xx_immap.h> 52 #elif defined(CONFIG_MPC5xxx) 53 #include <mpc5xxx.h> 54 #elif defined(CONFIG_MPC512X) 55 #include <asm/immap_512x.h> 56 #elif defined(CONFIG_MPC8260) 57 #if defined(CONFIG_MPC8247) \ 58 || defined(CONFIG_MPC8272) 59 #define CONFIG_MPC8272_FAMILY 1 60 #endif 61 #include <asm/immap_8260.h> 62 #endif 63 #ifdef CONFIG_MPC86xx 64 #include <mpc86xx.h> 65 #include <asm/immap_86xx.h> 66 #endif 67 #ifdef CONFIG_MPC85xx 68 #include <mpc85xx.h> 69 #include <asm/immap_85xx.h> 70 #endif 71 #ifdef CONFIG_MPC83xx 72 #include <mpc83xx.h> 73 #include <asm/immap_83xx.h> 74 #endif 75 #ifdef CONFIG_4xx 76 #include <asm/ppc4xx.h> 77 #endif 78 #ifdef CONFIG_BLACKFIN 79 #include <asm/blackfin.h> 80 #endif 81 #ifdef CONFIG_SOC_DA8XX 82 #include <asm/arch/hardware.h> 83 #endif 84 #ifdef CONFIG_FSL_LSCH3 85 #include <asm/arch/immap_lsch3.h> 86 #endif 87 #ifdef CONFIG_FSL_LSCH2 88 #include <asm/arch/immap_lsch2.h> 89 #endif 90 91 #include <part.h> 92 #include <flash.h> 93 #include <image.h> 94 95 /* Bring in printf format macros if inttypes.h is included */ 96 #define __STDC_FORMAT_MACROS 97 98 #ifdef __LP64__ 99 #define CONFIG_SYS_SUPPORT_64BIT_DATA 100 #endif 101 102 #ifdef DEBUG 103 #define _DEBUG 1 104 #else 105 #define _DEBUG 0 106 #endif 107 108 #ifdef CONFIG_SPL_BUILD 109 #define _SPL_BUILD 1 110 #else 111 #define _SPL_BUILD 0 112 #endif 113 114 /* Define this at the top of a file to add a prefix to debug messages */ 115 #ifndef pr_fmt 116 #define pr_fmt(fmt) fmt 117 #endif 118 119 /* 120 * Output a debug text when condition "cond" is met. The "cond" should be 121 * computed by a preprocessor in the best case, allowing for the best 122 * optimization. 123 */ 124 #define debug_cond(cond, fmt, args...) \ 125 do { \ 126 if (cond) \ 127 printf(pr_fmt(fmt), ##args); \ 128 } while (0) 129 130 /* Show a message if DEBUG is defined in a file */ 131 #define debug(fmt, args...) \ 132 debug_cond(_DEBUG, fmt, ##args) 133 134 /* Show a message if not in SPL */ 135 #define warn_non_spl(fmt, args...) \ 136 debug_cond(!_SPL_BUILD, fmt, ##args) 137 138 /* 139 * An assertion is run-time check done in debug mode only. If DEBUG is not 140 * defined then it is skipped. If DEBUG is defined and the assertion fails, 141 * then it calls panic*( which may or may not reset/halt U-Boot (see 142 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 143 * before release, and after release it is hoped that they don't matter. But 144 * in any case these failing assertions cannot be fixed with a reset (which 145 * may just do the same assertion again). 146 */ 147 void __assert_fail(const char *assertion, const char *file, unsigned line, 148 const char *function); 149 #define assert(x) \ 150 ({ if (!(x) && _DEBUG) \ 151 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 152 153 #define error(fmt, args...) do { \ 154 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 155 ##args, __FILE__, __LINE__, __func__); \ 156 } while (0) 157 158 #ifndef BUG 159 #define BUG() do { \ 160 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 161 panic("BUG!"); \ 162 } while (0) 163 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 164 #endif /* BUG */ 165 166 typedef void (interrupt_handler_t)(void *); 167 168 #include <asm/u-boot.h> /* boot information for Linux kernel */ 169 #include <asm/global_data.h> /* global data used for startup functions */ 170 171 /* 172 * enable common handling for all TQM8xxL/M boards: 173 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 174 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 175 * and for the TQM885D board 176 */ 177 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 178 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 179 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 180 # ifndef CONFIG_TQM8xxM 181 # define CONFIG_TQM8xxM 182 # endif 183 #endif 184 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 185 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 186 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 187 defined(CONFIG_TQM885D) 188 # ifndef CONFIG_TQM8xxL 189 # define CONFIG_TQM8xxL 190 # endif 191 #endif 192 193 #if defined(CONFIG_ENV_IS_EMBEDDED) 194 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 195 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 196 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 197 defined(CONFIG_ENV_IS_IN_NVRAM) 198 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 199 #else 200 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 201 #endif 202 203 /* 204 * Function Prototypes 205 */ 206 int dram_init(void); 207 208 void hang (void) __attribute__ ((noreturn)); 209 210 int timer_init(void); 211 int cpu_init(void); 212 213 /* */ 214 phys_size_t initdram (int); 215 216 #include <display_options.h> 217 218 /* common/main.c */ 219 void main_loop (void); 220 int run_command(const char *cmd, int flag); 221 int run_command_repeatable(const char *cmd, int flag); 222 223 /** 224 * Run a list of commands separated by ; or even \0 225 * 226 * Note that if 'len' is not -1, then the command does not need to be nul 227 * terminated, Memory will be allocated for the command in that case. 228 * 229 * @param cmd List of commands to run, each separated bu semicolon 230 * @param len Length of commands excluding terminator if known (-1 if not) 231 * @param flag Execution flags (CMD_FLAG_...) 232 * @return 0 on success, or != 0 on error. 233 */ 234 int run_command_list(const char *cmd, int len, int flag); 235 236 /* arch/$(ARCH)/lib/board.c */ 237 void board_init_f(ulong); 238 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 239 240 /** 241 * ulong board_init_f_alloc_reserve - allocate reserved area 242 * 243 * This function is called by each architecture very early in the start-up 244 * code to allow the C runtime to reserve space on the stack for writable 245 * 'globals' such as GD and the malloc arena. 246 * 247 * @top: top of the reserve area, growing down. 248 * @return: bottom of reserved area 249 */ 250 ulong board_init_f_alloc_reserve(ulong top); 251 252 /** 253 * board_init_f_init_reserve - initialize the reserved area(s) 254 * 255 * This function is called once the C runtime has allocated the reserved 256 * area on the stack. It must initialize the GD at the base of that area. 257 * 258 * @base: top from which reservation was done 259 */ 260 void board_init_f_init_reserve(ulong base); 261 262 /** 263 * arch_setup_gd() - Set up the global_data pointer 264 * 265 * This pointer is special in some architectures and cannot easily be assigned 266 * to. For example on x86 it is implemented by adding a specific record to its 267 * Global Descriptor Table! So we we provide a function to carry out this task. 268 * For most architectures this can simply be: 269 * 270 * gd = gd_ptr; 271 * 272 * @gd_ptr: Pointer to global data 273 */ 274 void arch_setup_gd(gd_t *gd_ptr); 275 276 int checkboard(void); 277 int show_board_info(void); 278 int checkflash(void); 279 int checkdram(void); 280 int last_stage_init(void); 281 extern ulong monitor_flash_len; 282 int mac_read_from_eeprom(void); 283 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 284 int set_cpu_clk_info(void); 285 int mdm_init(void); 286 #if defined(CONFIG_DISPLAY_CPUINFO) 287 int print_cpuinfo(void); 288 #else 289 static inline int print_cpuinfo(void) 290 { 291 return 0; 292 } 293 #endif 294 int update_flash_size(int flash_size); 295 int arch_early_init_r(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_doc.c */ 356 void doc_probe(unsigned long physadr); 357 358 /* common/cmd_net.c */ 359 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 360 361 /* common/cmd_fat.c */ 362 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 363 364 /* common/cmd_ext2.c */ 365 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 366 367 /* common/cmd_nvedit.c */ 368 int env_init (void); 369 void env_relocate (void); 370 int envmatch (uchar *, int); 371 372 /* Avoid unfortunate conflict with libc's getenv() */ 373 #ifdef CONFIG_SANDBOX 374 #define getenv uboot_getenv 375 #endif 376 char *getenv (const char *); 377 int getenv_f (const char *name, char *buf, unsigned len); 378 ulong getenv_ulong(const char *name, int base, ulong default_val); 379 380 /** 381 * getenv_hex() - Return an environment variable as a hex value 382 * 383 * Decode an environment as a hex number (it may or may not have a 0x 384 * prefix). If the environment variable cannot be found, or does not start 385 * with hex digits, the default value is returned. 386 * 387 * @varname: Variable to decode 388 * @default_val: Value to return on error 389 */ 390 ulong getenv_hex(const char *varname, ulong default_val); 391 392 /* 393 * Read an environment variable as a boolean 394 * Return -1 if variable does not exist (default to true) 395 */ 396 int getenv_yesno(const char *var); 397 int saveenv (void); 398 int setenv (const char *, const char *); 399 int setenv_ulong(const char *varname, ulong value); 400 int setenv_hex(const char *varname, ulong value); 401 /** 402 * setenv_addr - Set an environment variable to an address in hex 403 * 404 * @varname: Environment variable to set 405 * @addr: Value to set it to 406 * @return 0 if ok, 1 on error 407 */ 408 static inline int setenv_addr(const char *varname, const void *addr) 409 { 410 return setenv_hex(varname, (ulong)addr); 411 } 412 413 #ifdef CONFIG_ARM 414 # include <asm/mach-types.h> 415 # include <asm/setup.h> 416 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 417 #endif /* CONFIG_ARM */ 418 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 419 # include <asm/u-boot-x86.h> 420 #endif /* CONFIG_X86 */ 421 #ifdef CONFIG_SANDBOX 422 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 423 #endif 424 #ifdef CONFIG_NDS32 425 # include <asm/mach-types.h> 426 # include <asm/setup.h> 427 # include <asm/u-boot-nds32.h> 428 #endif /* CONFIG_NDS32 */ 429 #ifdef CONFIG_MIPS 430 # include <asm/u-boot-mips.h> 431 #endif /* CONFIG_MIPS */ 432 #ifdef CONFIG_ARC 433 # include <asm/u-boot-arc.h> 434 #endif /* CONFIG_ARC */ 435 436 #ifdef CONFIG_AUTO_COMPLETE 437 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 438 #endif 439 int get_env_id (void); 440 441 void pci_init (void); 442 void pci_init_board(void); 443 444 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 445 int pci_pre_init (struct pci_controller *); 446 int is_pci_host (struct pci_controller *); 447 #endif 448 449 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 450 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 451 void pci_target_init (struct pci_controller *); 452 # endif 453 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 454 void pci_master_init (struct pci_controller *); 455 # endif 456 #if defined(CONFIG_440SPE) || \ 457 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 458 defined(CONFIG_405EX) 459 void pcie_setup_hoses(int busno); 460 #endif 461 #endif 462 463 int misc_init_f (void); 464 int misc_init_r (void); 465 466 /* common/exports.c */ 467 void jumptable_init(void); 468 469 /* common/kallsysm.c */ 470 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 471 472 /* api/api.c */ 473 void api_init (void); 474 475 /* common/memsize.c */ 476 long get_ram_size (long *, long); 477 phys_size_t get_effective_memsize(void); 478 479 /* $(BOARD)/$(BOARD).c */ 480 void reset_phy (void); 481 void fdc_hw_init (void); 482 483 /* $(BOARD)/eeprom.c */ 484 void eeprom_init (int bus); 485 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 486 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 487 488 /* 489 * Set this up regardless of board 490 * type, to prevent errors. 491 */ 492 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 493 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 494 #else 495 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 496 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 497 #endif 498 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 499 500 #if defined(CONFIG_SPI) 501 extern void spi_init_f (void); 502 extern void spi_init_r (void); 503 extern ssize_t spi_read (uchar *, int, uchar *, int); 504 extern ssize_t spi_write (uchar *, int, uchar *, int); 505 #endif 506 507 /* $(BOARD)/$(BOARD).c */ 508 int board_early_init_f (void); 509 int board_late_init (void); 510 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 511 int board_early_init_r (void); 512 void board_poweroff (void); 513 514 #if defined(CONFIG_SYS_DRAM_TEST) 515 int testdram(void); 516 #endif /* CONFIG_SYS_DRAM_TEST */ 517 518 /* $(CPU)/start.S */ 519 #if defined(CONFIG_5xx) || \ 520 defined(CONFIG_8xx) 521 uint get_immr (uint); 522 #endif 523 #if defined(CONFIG_MPC5xxx) 524 uint get_svr (void); 525 #endif 526 uint get_pvr (void); 527 uint get_svr (void); 528 uint rd_ic_cst (void); 529 void wr_ic_cst (uint); 530 void wr_ic_adr (uint); 531 uint rd_dc_cst (void); 532 void wr_dc_cst (uint); 533 void wr_dc_adr (uint); 534 int icache_status (void); 535 void icache_enable (void); 536 void icache_disable(void); 537 int dcache_status (void); 538 void dcache_enable (void); 539 void dcache_disable(void); 540 void mmu_disable(void); 541 #if defined(CONFIG_ARM) 542 void relocate_code(ulong); 543 #else 544 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 545 #endif 546 ulong get_endaddr (void); 547 void trap_init (ulong); 548 #if defined (CONFIG_4xx) || \ 549 defined (CONFIG_MPC5xxx) || \ 550 defined (CONFIG_MPC85xx) || \ 551 defined (CONFIG_MPC86xx) || \ 552 defined (CONFIG_MPC83xx) 553 unsigned char in8(unsigned int); 554 void out8(unsigned int, unsigned char); 555 unsigned short in16(unsigned int); 556 unsigned short in16r(unsigned int); 557 void out16(unsigned int, unsigned short value); 558 void out16r(unsigned int, unsigned short value); 559 unsigned long in32(unsigned int); 560 unsigned long in32r(unsigned int); 561 void out32(unsigned int, unsigned long value); 562 void out32r(unsigned int, unsigned long value); 563 void ppcDcbf(unsigned long value); 564 void ppcDcbi(unsigned long value); 565 void ppcSync(void); 566 void ppcDcbz(unsigned long value); 567 #endif 568 #if defined (CONFIG_MICROBLAZE) 569 unsigned short in16(unsigned int); 570 void out16(unsigned int, unsigned short value); 571 #endif 572 573 #if defined (CONFIG_MPC83xx) 574 void ppcDWload(unsigned int *addr, unsigned int *ret); 575 void ppcDWstore(unsigned int *addr, unsigned int *value); 576 void disable_addr_trans(void); 577 void enable_addr_trans(void); 578 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 579 void ddr_enable_ecc(unsigned int dram_size); 580 #endif 581 #endif 582 583 /* 584 * Return the current value of a monotonically increasing microsecond timer. 585 * Granularity may be larger than 1us if hardware does not support this. 586 */ 587 ulong timer_get_us(void); 588 589 /* $(CPU)/cpu.c */ 590 static inline int cpumask_next(int cpu, unsigned int mask) 591 { 592 for (cpu++; !((1 << cpu) & mask); cpu++) 593 ; 594 595 return cpu; 596 } 597 598 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 599 for (iter = 0, cpu = cpumask_next(-1, mask); \ 600 iter < num_cpus; \ 601 iter++, cpu = cpumask_next(cpu, mask)) \ 602 603 int cpu_numcores (void); 604 int cpu_num_dspcores(void); 605 u32 cpu_mask (void); 606 u32 cpu_dsp_mask(void); 607 int is_core_valid (unsigned int); 608 int probecpu (void); 609 int checkcpu (void); 610 int checkicache (void); 611 int checkdcache (void); 612 void upmconfig (unsigned int, unsigned int *, unsigned int); 613 ulong get_tbclk (void); 614 void reset_misc (void); 615 void reset_cpu (ulong addr); 616 void ft_cpu_setup(void *blob, bd_t *bd); 617 void ft_pci_setup(void *blob, bd_t *bd); 618 619 void smp_set_core_boot_addr(unsigned long addr, int corenr); 620 void smp_kick_all_cpus(void); 621 622 /* $(CPU)/serial.c */ 623 int serial_init (void); 624 void serial_setbrg (void); 625 void serial_putc (const char); 626 void serial_putc_raw(const char); 627 void serial_puts (const char *); 628 int serial_getc (void); 629 int serial_tstc (void); 630 631 /* These versions take a stdio_dev pointer */ 632 struct stdio_dev; 633 int serial_stub_getc(struct stdio_dev *sdev); 634 int serial_stub_tstc(struct stdio_dev *sdev); 635 636 /* $(CPU)/speed.c */ 637 int get_clocks (void); 638 int get_clocks_866 (void); 639 int sdram_adjust_866 (void); 640 int adjust_sdram_tbs_8xx (void); 641 #if defined(CONFIG_MPC8260) 642 int prt_8260_clks (void); 643 #elif defined(CONFIG_MPC5xxx) 644 int prt_mpc5xxx_clks (void); 645 #endif 646 #ifdef CONFIG_4xx 647 ulong get_OPB_freq (void); 648 ulong get_PCI_freq (void); 649 #endif 650 #if defined(CONFIG_S3C24X0) || \ 651 defined(CONFIG_LH7A40X) || \ 652 defined(CONFIG_EP93XX) 653 ulong get_FCLK (void); 654 ulong get_HCLK (void); 655 ulong get_PCLK (void); 656 ulong get_UCLK (void); 657 #endif 658 #if defined(CONFIG_LH7A40X) 659 ulong get_PLLCLK (void); 660 #endif 661 #if defined(CONFIG_IMX) 662 ulong get_systemPLLCLK(void); 663 ulong get_FCLK(void); 664 ulong get_HCLK(void); 665 ulong get_BCLK(void); 666 ulong get_PERCLK1(void); 667 ulong get_PERCLK2(void); 668 ulong get_PERCLK3(void); 669 #endif 670 ulong get_bus_freq (ulong); 671 int get_serial_clock(void); 672 673 #if defined(CONFIG_MPC85xx) 674 typedef MPC85xx_SYS_INFO sys_info_t; 675 void get_sys_info ( sys_info_t * ); 676 void ft_fixup_cpu(void *, u64); 677 void ft_fixup_num_cores(void *); 678 #endif 679 #if defined(CONFIG_MPC86xx) 680 typedef MPC86xx_SYS_INFO sys_info_t; 681 void get_sys_info ( sys_info_t * ); 682 static inline ulong get_ddr_freq(ulong dummy) 683 { 684 return get_bus_freq(dummy); 685 } 686 #else 687 ulong get_ddr_freq(ulong); 688 #endif 689 690 #if defined(CONFIG_4xx) 691 # if defined(CONFIG_440) 692 # if defined(CONFIG_440SPE) 693 unsigned long determine_sysper(void); 694 unsigned long determine_pci_clock_per(void); 695 # endif 696 # endif 697 typedef PPC4xx_SYS_INFO sys_info_t; 698 int ppc440spe_revB(void); 699 void get_sys_info ( sys_info_t * ); 700 #endif 701 702 /* $(CPU)/cpu_init.c */ 703 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 704 void cpu_init_f (volatile immap_t *immr); 705 #endif 706 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 707 void cpu_init_f (void); 708 #endif 709 #ifdef CONFIG_MPC85xx 710 ulong cpu_init_f(void); 711 #endif 712 713 int cpu_init_r (void); 714 #if defined(CONFIG_MPC8260) 715 int prt_8260_rsr (void); 716 #elif defined(CONFIG_MPC83xx) 717 int prt_83xx_rsr (void); 718 #endif 719 720 /* $(CPU)/interrupts.c */ 721 int interrupt_init (void); 722 void timer_interrupt (struct pt_regs *); 723 void external_interrupt (struct pt_regs *); 724 void irq_install_handler(int, interrupt_handler_t *, void *); 725 void irq_free_handler (int); 726 void reset_timer (void); 727 ulong get_timer (ulong base); 728 729 /* Return value of monotonic microsecond timer */ 730 unsigned long timer_get_us(void); 731 732 void enable_interrupts (void); 733 int disable_interrupts (void); 734 735 /* $(CPU)/.../commproc.c */ 736 int dpram_init (void); 737 uint dpram_base(void); 738 uint dpram_base_align(uint align); 739 uint dpram_alloc(uint size); 740 uint dpram_alloc_align(uint size,uint align); 741 void bootcount_store (ulong); 742 ulong bootcount_load (void); 743 #define BOOTCOUNT_MAGIC 0xB001C041 744 745 /* $(CPU)/.../<eth> */ 746 void mii_init (void); 747 748 /* $(CPU)/.../lcd.c */ 749 ulong lcd_setmem (ulong); 750 751 /* $(CPU)/.../video.c */ 752 ulong video_setmem (ulong); 753 754 /* arch/$(ARCH)/lib/cache.c */ 755 void enable_caches(void); 756 void flush_cache (unsigned long, unsigned long); 757 void flush_dcache_all(void); 758 void flush_dcache_range(unsigned long start, unsigned long stop); 759 void invalidate_dcache_range(unsigned long start, unsigned long stop); 760 void invalidate_dcache_all(void); 761 void invalidate_icache_all(void); 762 763 enum { 764 /* Disable caches (else flush caches but leave them active) */ 765 CBL_DISABLE_CACHES = 1 << 0, 766 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 767 768 CBL_ALL = 3, 769 }; 770 771 /** 772 * Clean up ready for linux 773 * 774 * @param flags Flags to control what is done 775 */ 776 int cleanup_before_linux_select(int flags); 777 778 /* arch/$(ARCH)/lib/ticks.S */ 779 uint64_t get_ticks(void); 780 void wait_ticks (unsigned long); 781 782 /* arch/$(ARCH)/lib/time.c */ 783 ulong usec2ticks (unsigned long usec); 784 ulong ticks2usec (unsigned long ticks); 785 int init_timebase (void); 786 787 /* lib/gunzip.c */ 788 int gunzip(void *, int, unsigned char *, unsigned long *); 789 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 790 int stoponerr, int offset); 791 792 /** 793 * gzwrite progress indicators: defined weak to allow board-specific 794 * overrides: 795 * 796 * gzwrite_progress_init called on startup 797 * gzwrite_progress called during decompress/write loop 798 * gzwrite_progress_finish called at end of loop to 799 * indicate success (retcode=0) or failure 800 */ 801 void gzwrite_progress_init(u64 expected_size); 802 803 void gzwrite_progress(int iteration, 804 u64 bytes_written, 805 u64 total_bytes); 806 807 void gzwrite_progress_finish(int retcode, 808 u64 totalwritten, 809 u64 totalsize, 810 u32 expected_crc, 811 u32 calculated_crc); 812 813 /** 814 * decompress and write gzipped image from memory to block device 815 * 816 * @param src compressed image address 817 * @param len compressed image length in bytes 818 * @param dev block device descriptor 819 * @param szwritebuf bytes per write (pad to erase size) 820 * @param startoffs offset in bytes of first write 821 * @param szexpected expected uncompressed length 822 * may be zero to use gzip trailer 823 * for files under 4GiB 824 */ 825 int gzwrite(unsigned char *src, int len, 826 struct blk_desc *dev, 827 unsigned long szwritebuf, 828 u64 startoffs, 829 u64 szexpected); 830 831 /* lib/lz4_wrapper.c */ 832 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 833 834 /* lib/qsort.c */ 835 void qsort(void *base, size_t nmemb, size_t size, 836 int(*compar)(const void *, const void *)); 837 int strcmp_compar(const void *, const void *); 838 839 /* lib/uuid.c */ 840 #include <uuid.h> 841 842 /* lib/vsprintf.c */ 843 #include <vsprintf.h> 844 845 /* lib/strmhz.c */ 846 char * strmhz(char *buf, unsigned long hz); 847 848 /* lib/crc32.c */ 849 #include <u-boot/crc.h> 850 851 /* lib/rand.c */ 852 #define RAND_MAX -1U 853 void srand(unsigned int seed); 854 unsigned int rand(void); 855 unsigned int rand_r(unsigned int *seedp); 856 857 /* 858 * STDIO based functions (can always be used) 859 */ 860 /* serial stuff */ 861 int serial_printf (const char *fmt, ...) 862 __attribute__ ((format (__printf__, 1, 2))); 863 /* stdin */ 864 int getc(void); 865 int tstc(void); 866 867 /* stdout */ 868 #if !defined(CONFIG_SPL_BUILD) || \ 869 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 870 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 871 defined(CONFIG_SPL_SERIAL_SUPPORT)) 872 void putc(const char c); 873 void puts(const char *s); 874 int printf(const char *fmt, ...) 875 __attribute__ ((format (__printf__, 1, 2))); 876 int vprintf(const char *fmt, va_list args); 877 #else 878 #define putc(...) do { } while (0) 879 #define puts(...) do { } while (0) 880 #define printf(...) do { } while (0) 881 #define vprintf(...) do { } while (0) 882 #endif 883 884 /* stderr */ 885 #define eputc(c) fputc(stderr, c) 886 #define eputs(s) fputs(stderr, s) 887 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 888 889 /* 890 * FILE based functions (can only be used AFTER relocation!) 891 */ 892 #define stdin 0 893 #define stdout 1 894 #define stderr 2 895 #define MAX_FILES 3 896 897 int fprintf(int file, const char *fmt, ...) 898 __attribute__ ((format (__printf__, 2, 3))); 899 void fputs(int file, const char *s); 900 void fputc(int file, const char c); 901 int ftstc(int file); 902 int fgetc(int file); 903 904 /* lib/gzip.c */ 905 int gzip(void *dst, unsigned long *lenp, 906 unsigned char *src, unsigned long srclen); 907 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 908 unsigned long srclen, int stoponerr, 909 int (*func)(unsigned long, unsigned long)); 910 911 /* lib/net_utils.c */ 912 #include <net.h> 913 static inline struct in_addr getenv_ip(char *var) 914 { 915 return string_to_ip(getenv(var)); 916 } 917 918 int pcmcia_init (void); 919 920 #ifdef CONFIG_STATUS_LED 921 # include <status_led.h> 922 #endif 923 924 #include <bootstage.h> 925 926 #ifdef CONFIG_SHOW_ACTIVITY 927 void show_activity(int arg); 928 #endif 929 930 /* Multicore arch functions */ 931 #ifdef CONFIG_MP 932 int cpu_status(int nr); 933 int cpu_reset(int nr); 934 int cpu_disable(int nr); 935 int cpu_release(int nr, int argc, char * const argv[]); 936 #endif 937 938 #else /* __ASSEMBLY__ */ 939 940 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 941 #define _AC(X, Y) X 942 943 #endif /* __ASSEMBLY__ */ 944 945 #ifdef CONFIG_PPC 946 /* 947 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 948 * Otherwise might lead to compilation errors in assembler files. 949 */ 950 #include <asm/cache.h> 951 #endif 952 953 /* Put only stuff here that the assembler can digest */ 954 955 /* Declare an unsigned long constant digestable both by C and an assembler. */ 956 #define UL(x) _AC(x, UL) 957 958 #ifdef CONFIG_POST 959 #define CONFIG_HAS_POST 960 #ifndef CONFIG_POST_ALT_LIST 961 #define CONFIG_POST_STD_LIST 962 #endif 963 #endif 964 965 #ifdef CONFIG_INIT_CRITICAL 966 #error CONFIG_INIT_CRITICAL is deprecated! 967 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 968 #endif 969 970 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 971 972 /* 973 * check_member() - Check the offset of a structure member 974 * 975 * @structure: Name of structure (e.g. global_data) 976 * @member: Name of member (e.g. baudrate) 977 * @offset: Expected offset in bytes 978 */ 979 #define check_member(structure, member, offset) _Static_assert( \ 980 offsetof(struct structure, member) == offset, \ 981 "`struct " #structure "` offset for `" #member "` is not " #offset) 982 983 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 984 #ifdef CONFIG_EFI_STUB 985 #define ll_boot_init() false 986 #else 987 #define ll_boot_init() true 988 #endif 989 990 /* Pull in stuff for the build system */ 991 #ifdef DO_DEPS_ONLY 992 # include <environment.h> 993 #endif 994 995 #endif /* __COMMON_H_ */ 996