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/types.h> 26 #include <linux/string.h> 27 #include <linux/stringify.h> 28 #include <asm/ptrace.h> 29 #include <stdarg.h> 30 #include <linux/kernel.h> 31 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 32 #include <pci.h> 33 #endif 34 #if defined(CONFIG_8xx) 35 #include <asm/8xx_immap.h> 36 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 37 defined(CONFIG_MPC866) || \ 38 defined(CONFIG_MPC866P) 39 # define CONFIG_MPC866_FAMILY 1 40 #elif defined(CONFIG_MPC885) 41 # define CONFIG_MPC885_FAMILY 1 42 #endif 43 #if defined(CONFIG_MPC860) \ 44 || defined(CONFIG_MPC860T) \ 45 || defined(CONFIG_MPC866_FAMILY) \ 46 || defined(CONFIG_MPC885_FAMILY) 47 # define CONFIG_MPC86x 1 48 #endif 49 #elif defined(CONFIG_5xx) 50 #include <asm/5xx_immap.h> 51 #elif defined(CONFIG_MPC5xxx) 52 #include <mpc5xxx.h> 53 #elif defined(CONFIG_MPC512X) 54 #include <asm/immap_512x.h> 55 #elif defined(CONFIG_MPC8260) 56 #if defined(CONFIG_MPC8247) \ 57 || defined(CONFIG_MPC8272) 58 #define CONFIG_MPC8272_FAMILY 1 59 #endif 60 #include <asm/immap_8260.h> 61 #endif 62 #ifdef CONFIG_MPC86xx 63 #include <mpc86xx.h> 64 #include <asm/immap_86xx.h> 65 #endif 66 #ifdef CONFIG_MPC85xx 67 #include <mpc85xx.h> 68 #include <asm/immap_85xx.h> 69 #endif 70 #ifdef CONFIG_MPC83xx 71 #include <mpc83xx.h> 72 #include <asm/immap_83xx.h> 73 #endif 74 #ifdef CONFIG_4xx 75 #include <asm/ppc4xx.h> 76 #endif 77 #ifdef CONFIG_BLACKFIN 78 #include <asm/blackfin.h> 79 #endif 80 #ifdef CONFIG_SOC_DA8XX 81 #include <asm/arch/hardware.h> 82 #endif 83 #ifdef CONFIG_FSL_LSCH3 84 #include <asm/arch/immap_lsch3.h> 85 #endif 86 #ifdef CONFIG_FSL_LSCH2 87 #include <asm/arch/immap_lsch2.h> 88 #endif 89 90 #include <part.h> 91 #include <flash.h> 92 #include <image.h> 93 94 /* Bring in printf format macros if inttypes.h is included */ 95 #define __STDC_FORMAT_MACROS 96 97 #ifdef __LP64__ 98 #define CONFIG_SYS_SUPPORT_64BIT_DATA 99 #endif 100 101 #ifdef DEBUG 102 #define _DEBUG 1 103 #else 104 #define _DEBUG 0 105 #endif 106 107 #ifdef CONFIG_SPL_BUILD 108 #define _SPL_BUILD 1 109 #else 110 #define _SPL_BUILD 0 111 #endif 112 113 /* Define this at the top of a file to add a prefix to debug messages */ 114 #ifndef pr_fmt 115 #define pr_fmt(fmt) fmt 116 #endif 117 118 /* 119 * Output a debug text when condition "cond" is met. The "cond" should be 120 * computed by a preprocessor in the best case, allowing for the best 121 * optimization. 122 */ 123 #define debug_cond(cond, fmt, args...) \ 124 do { \ 125 if (cond) \ 126 printf(pr_fmt(fmt), ##args); \ 127 } while (0) 128 129 /* Show a message if DEBUG is defined in a file */ 130 #define debug(fmt, args...) \ 131 debug_cond(_DEBUG, fmt, ##args) 132 133 /* Show a message if not in SPL */ 134 #define warn_non_spl(fmt, args...) \ 135 debug_cond(!_SPL_BUILD, fmt, ##args) 136 137 /* 138 * An assertion is run-time check done in debug mode only. If DEBUG is not 139 * defined then it is skipped. If DEBUG is defined and the assertion fails, 140 * then it calls panic*( which may or may not reset/halt U-Boot (see 141 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 142 * before release, and after release it is hoped that they don't matter. But 143 * in any case these failing assertions cannot be fixed with a reset (which 144 * may just do the same assertion again). 145 */ 146 void __assert_fail(const char *assertion, const char *file, unsigned line, 147 const char *function); 148 #define assert(x) \ 149 ({ if (!(x) && _DEBUG) \ 150 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 151 152 #define error(fmt, args...) do { \ 153 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 154 ##args, __FILE__, __LINE__, __func__); \ 155 } while (0) 156 157 #ifndef BUG 158 #define BUG() do { \ 159 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 160 panic("BUG!"); \ 161 } while (0) 162 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 163 #endif /* BUG */ 164 165 typedef void (interrupt_handler_t)(void *); 166 167 #include <asm/u-boot.h> /* boot information for Linux kernel */ 168 #include <asm/global_data.h> /* global data used for startup functions */ 169 170 /* 171 * enable common handling for all TQM8xxL/M boards: 172 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 173 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 174 * and for the TQM885D board 175 */ 176 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 177 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 178 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 179 # ifndef CONFIG_TQM8xxM 180 # define CONFIG_TQM8xxM 181 # endif 182 #endif 183 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 184 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 185 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 186 defined(CONFIG_TQM885D) 187 # ifndef CONFIG_TQM8xxL 188 # define CONFIG_TQM8xxL 189 # endif 190 #endif 191 192 #if defined(CONFIG_ENV_IS_EMBEDDED) 193 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 194 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 195 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 196 defined(CONFIG_ENV_IS_IN_NVRAM) 197 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 198 #else 199 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 200 #endif 201 202 /* 203 * Function Prototypes 204 */ 205 int dram_init(void); 206 207 void hang (void) __attribute__ ((noreturn)); 208 209 int timer_init(void); 210 int cpu_init(void); 211 212 /* */ 213 phys_size_t initdram (int); 214 215 #include <display_options.h> 216 217 /* common/main.c */ 218 void main_loop (void); 219 int run_command(const char *cmd, int flag); 220 int run_command_repeatable(const char *cmd, int flag); 221 222 /** 223 * Run a list of commands separated by ; or even \0 224 * 225 * Note that if 'len' is not -1, then the command does not need to be nul 226 * terminated, Memory will be allocated for the command in that case. 227 * 228 * @param cmd List of commands to run, each separated bu semicolon 229 * @param len Length of commands excluding terminator if known (-1 if not) 230 * @param flag Execution flags (CMD_FLAG_...) 231 * @return 0 on success, or != 0 on error. 232 */ 233 int run_command_list(const char *cmd, int len, int flag); 234 235 /* arch/$(ARCH)/lib/board.c */ 236 void board_init_f(ulong); 237 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 238 239 /** 240 * ulong board_init_f_alloc_reserve - allocate reserved area 241 * 242 * This function is called by each architecture very early in the start-up 243 * code to allow the C runtime to reserve space on the stack for writable 244 * 'globals' such as GD and the malloc arena. 245 * 246 * @top: top of the reserve area, growing down. 247 * @return: bottom of reserved area 248 */ 249 ulong board_init_f_alloc_reserve(ulong top); 250 251 /** 252 * board_init_f_init_reserve - initialize the reserved area(s) 253 * 254 * This function is called once the C runtime has allocated the reserved 255 * area on the stack. It must initialize the GD at the base of that area. 256 * 257 * @base: top from which reservation was done 258 */ 259 void board_init_f_init_reserve(ulong base); 260 261 /** 262 * arch_setup_gd() - Set up the global_data pointer 263 * 264 * This pointer is special in some architectures and cannot easily be assigned 265 * to. For example on x86 it is implemented by adding a specific record to its 266 * Global Descriptor Table! So we we provide a function to carry out this task. 267 * For most architectures this can simply be: 268 * 269 * gd = gd_ptr; 270 * 271 * @gd_ptr: Pointer to global data 272 */ 273 void arch_setup_gd(gd_t *gd_ptr); 274 275 int checkboard(void); 276 int show_board_info(void); 277 int checkflash(void); 278 int checkdram(void); 279 int last_stage_init(void); 280 extern ulong monitor_flash_len; 281 int mac_read_from_eeprom(void); 282 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 283 int set_cpu_clk_info(void); 284 int mdm_init(void); 285 #if defined(CONFIG_DISPLAY_CPUINFO) 286 int print_cpuinfo(void); 287 #else 288 static inline int print_cpuinfo(void) 289 { 290 return 0; 291 } 292 #endif 293 int update_flash_size(int flash_size); 294 int arch_early_init_r(void); 295 296 /** 297 * arch_cpu_init_dm() - init CPU after driver model is available 298 * 299 * This is called immediately after driver model is available before 300 * relocation. This is similar to arch_cpu_init() but is able to reference 301 * devices 302 * 303 * @return 0 if OK, -ve on error 304 */ 305 int arch_cpu_init_dm(void); 306 307 /** 308 * Reserve all necessary stacks 309 * 310 * This is used in generic board init sequence in common/board_f.c. Each 311 * architecture could provide this function to tailor the required stacks. 312 * 313 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 314 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 315 * require only this can leave it untouched. 316 * 317 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 318 * positions of the stack. The stack pointer(s) will be set to this later. 319 * gd->irq_sp is only required, if the architecture needs it. 320 * 321 * @return 0 if no error 322 */ 323 __weak int arch_reserve_stacks(void); 324 325 /** 326 * Show the DRAM size in a board-specific way 327 * 328 * This is used by boards to display DRAM information in their own way. 329 * 330 * @param size Size of DRAM (which should be displayed along with other info) 331 */ 332 void board_show_dram(phys_size_t size); 333 334 /** 335 * arch_fixup_fdt() - Write arch-specific information to fdt 336 * 337 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 338 * 339 * @blob: FDT blob to write to 340 * @return 0 if ok, or -ve FDT_ERR_... on failure 341 */ 342 int arch_fixup_fdt(void *blob); 343 344 /* common/flash.c */ 345 void flash_perror (int); 346 347 /* common/cmd_source.c */ 348 int source (ulong addr, const char *fit_uname); 349 350 extern ulong load_addr; /* Default Load Address */ 351 extern ulong save_addr; /* Default Save Address */ 352 extern ulong save_size; /* Default Save Size */ 353 354 /* common/cmd_doc.c */ 355 void doc_probe(unsigned long physadr); 356 357 /* common/cmd_net.c */ 358 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 359 360 /* common/cmd_fat.c */ 361 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 362 363 /* common/cmd_ext2.c */ 364 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 365 366 /* common/cmd_nvedit.c */ 367 int env_init (void); 368 void env_relocate (void); 369 int envmatch (uchar *, int); 370 371 /* Avoid unfortunate conflict with libc's getenv() */ 372 #ifdef CONFIG_SANDBOX 373 #define getenv uboot_getenv 374 #endif 375 char *getenv (const char *); 376 int getenv_f (const char *name, char *buf, unsigned len); 377 ulong getenv_ulong(const char *name, int base, ulong default_val); 378 379 /** 380 * getenv_hex() - Return an environment variable as a hex value 381 * 382 * Decode an environment as a hex number (it may or may not have a 0x 383 * prefix). If the environment variable cannot be found, or does not start 384 * with hex digits, the default value is returned. 385 * 386 * @varname: Variable to decode 387 * @default_val: Value to return on error 388 */ 389 ulong getenv_hex(const char *varname, ulong default_val); 390 391 /* 392 * Read an environment variable as a boolean 393 * Return -1 if variable does not exist (default to true) 394 */ 395 int getenv_yesno(const char *var); 396 int saveenv (void); 397 int setenv (const char *, const char *); 398 int setenv_ulong(const char *varname, ulong value); 399 int setenv_hex(const char *varname, ulong value); 400 /** 401 * setenv_addr - Set an environment variable to an address in hex 402 * 403 * @varname: Environment variable to set 404 * @addr: Value to set it to 405 * @return 0 if ok, 1 on error 406 */ 407 static inline int setenv_addr(const char *varname, const void *addr) 408 { 409 return setenv_hex(varname, (ulong)addr); 410 } 411 412 #ifdef CONFIG_ARM 413 # include <asm/mach-types.h> 414 # include <asm/setup.h> 415 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 416 #endif /* CONFIG_ARM */ 417 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 418 # include <asm/u-boot-x86.h> 419 #endif /* CONFIG_X86 */ 420 #ifdef CONFIG_SANDBOX 421 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 422 #endif 423 #ifdef CONFIG_NDS32 424 # include <asm/mach-types.h> 425 # include <asm/setup.h> 426 # include <asm/u-boot-nds32.h> 427 #endif /* CONFIG_NDS32 */ 428 #ifdef CONFIG_MIPS 429 # include <asm/u-boot-mips.h> 430 #endif /* CONFIG_MIPS */ 431 #ifdef CONFIG_ARC 432 # include <asm/u-boot-arc.h> 433 #endif /* CONFIG_ARC */ 434 435 #ifdef CONFIG_AUTO_COMPLETE 436 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 437 #endif 438 int get_env_id (void); 439 440 void pci_init (void); 441 void pci_init_board(void); 442 443 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 444 int pci_pre_init (struct pci_controller *); 445 int is_pci_host (struct pci_controller *); 446 #endif 447 448 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 449 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 450 void pci_target_init (struct pci_controller *); 451 # endif 452 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 453 void pci_master_init (struct pci_controller *); 454 # endif 455 #if defined(CONFIG_440SPE) || \ 456 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 457 defined(CONFIG_405EX) 458 void pcie_setup_hoses(int busno); 459 #endif 460 #endif 461 462 int misc_init_f (void); 463 int misc_init_r (void); 464 465 /* common/exports.c */ 466 void jumptable_init(void); 467 468 /* common/kallsysm.c */ 469 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 470 471 /* api/api.c */ 472 void api_init (void); 473 474 /* common/memsize.c */ 475 long get_ram_size (long *, long); 476 phys_size_t get_effective_memsize(void); 477 478 /* $(BOARD)/$(BOARD).c */ 479 void reset_phy (void); 480 void fdc_hw_init (void); 481 482 /* $(BOARD)/eeprom.c */ 483 void eeprom_init (int bus); 484 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 485 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 486 487 /* 488 * Set this up regardless of board 489 * type, to prevent errors. 490 */ 491 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 492 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 493 #else 494 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 495 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 496 #endif 497 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 498 499 #if defined(CONFIG_SPI) 500 extern void spi_init_f (void); 501 extern void spi_init_r (void); 502 extern ssize_t spi_read (uchar *, int, uchar *, int); 503 extern ssize_t spi_write (uchar *, int, uchar *, int); 504 #endif 505 506 /* $(BOARD)/$(BOARD).c */ 507 int board_early_init_f (void); 508 int board_late_init (void); 509 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 510 int board_early_init_r (void); 511 void board_poweroff (void); 512 513 #if defined(CONFIG_SYS_DRAM_TEST) 514 int testdram(void); 515 #endif /* CONFIG_SYS_DRAM_TEST */ 516 517 /* $(CPU)/start.S */ 518 #if defined(CONFIG_5xx) || \ 519 defined(CONFIG_8xx) 520 uint get_immr (uint); 521 #endif 522 #if defined(CONFIG_MPC5xxx) 523 uint get_svr (void); 524 #endif 525 uint get_pvr (void); 526 uint get_svr (void); 527 uint rd_ic_cst (void); 528 void wr_ic_cst (uint); 529 void wr_ic_adr (uint); 530 uint rd_dc_cst (void); 531 void wr_dc_cst (uint); 532 void wr_dc_adr (uint); 533 int icache_status (void); 534 void icache_enable (void); 535 void icache_disable(void); 536 int dcache_status (void); 537 void dcache_enable (void); 538 void dcache_disable(void); 539 void mmu_disable(void); 540 #if defined(CONFIG_ARM) 541 void relocate_code(ulong); 542 #else 543 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 544 #endif 545 ulong get_endaddr (void); 546 void trap_init (ulong); 547 #if defined (CONFIG_4xx) || \ 548 defined (CONFIG_MPC5xxx) || \ 549 defined (CONFIG_MPC85xx) || \ 550 defined (CONFIG_MPC86xx) || \ 551 defined (CONFIG_MPC83xx) 552 unsigned char in8(unsigned int); 553 void out8(unsigned int, unsigned char); 554 unsigned short in16(unsigned int); 555 unsigned short in16r(unsigned int); 556 void out16(unsigned int, unsigned short value); 557 void out16r(unsigned int, unsigned short value); 558 unsigned long in32(unsigned int); 559 unsigned long in32r(unsigned int); 560 void out32(unsigned int, unsigned long value); 561 void out32r(unsigned int, unsigned long value); 562 void ppcDcbf(unsigned long value); 563 void ppcDcbi(unsigned long value); 564 void ppcSync(void); 565 void ppcDcbz(unsigned long value); 566 #endif 567 #if defined (CONFIG_MICROBLAZE) 568 unsigned short in16(unsigned int); 569 void out16(unsigned int, unsigned short value); 570 #endif 571 572 #if defined (CONFIG_MPC83xx) 573 void ppcDWload(unsigned int *addr, unsigned int *ret); 574 void ppcDWstore(unsigned int *addr, unsigned int *value); 575 void disable_addr_trans(void); 576 void enable_addr_trans(void); 577 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 578 void ddr_enable_ecc(unsigned int dram_size); 579 #endif 580 #endif 581 582 /* 583 * Return the current value of a monotonically increasing microsecond timer. 584 * Granularity may be larger than 1us if hardware does not support this. 585 */ 586 ulong timer_get_us(void); 587 588 /* $(CPU)/cpu.c */ 589 static inline int cpumask_next(int cpu, unsigned int mask) 590 { 591 for (cpu++; !((1 << cpu) & mask); cpu++) 592 ; 593 594 return cpu; 595 } 596 597 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 598 for (iter = 0, cpu = cpumask_next(-1, mask); \ 599 iter < num_cpus; \ 600 iter++, cpu = cpumask_next(cpu, mask)) \ 601 602 int cpu_numcores (void); 603 int cpu_num_dspcores(void); 604 u32 cpu_mask (void); 605 u32 cpu_dsp_mask(void); 606 int is_core_valid (unsigned int); 607 int probecpu (void); 608 int checkcpu (void); 609 int checkicache (void); 610 int checkdcache (void); 611 void upmconfig (unsigned int, unsigned int *, unsigned int); 612 ulong get_tbclk (void); 613 void reset_misc (void); 614 void reset_cpu (ulong addr); 615 void ft_cpu_setup(void *blob, bd_t *bd); 616 void ft_pci_setup(void *blob, bd_t *bd); 617 618 void smp_set_core_boot_addr(unsigned long addr, int corenr); 619 void smp_kick_all_cpus(void); 620 621 /* $(CPU)/serial.c */ 622 int serial_init (void); 623 void serial_setbrg (void); 624 void serial_putc (const char); 625 void serial_putc_raw(const char); 626 void serial_puts (const char *); 627 int serial_getc (void); 628 int serial_tstc (void); 629 630 /* These versions take a stdio_dev pointer */ 631 struct stdio_dev; 632 int serial_stub_getc(struct stdio_dev *sdev); 633 int serial_stub_tstc(struct stdio_dev *sdev); 634 635 /* $(CPU)/speed.c */ 636 int get_clocks (void); 637 int get_clocks_866 (void); 638 int sdram_adjust_866 (void); 639 int adjust_sdram_tbs_8xx (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 #elif defined(CONFIG_MPC83xx) 716 int prt_83xx_rsr (void); 717 #endif 718 719 /* $(CPU)/interrupts.c */ 720 int interrupt_init (void); 721 void timer_interrupt (struct pt_regs *); 722 void external_interrupt (struct pt_regs *); 723 void irq_install_handler(int, interrupt_handler_t *, void *); 724 void irq_free_handler (int); 725 void reset_timer (void); 726 ulong get_timer (ulong base); 727 728 /* Return value of monotonic microsecond timer */ 729 unsigned long timer_get_us(void); 730 731 void enable_interrupts (void); 732 int disable_interrupts (void); 733 734 /* $(CPU)/.../commproc.c */ 735 int dpram_init (void); 736 uint dpram_base(void); 737 uint dpram_base_align(uint align); 738 uint dpram_alloc(uint size); 739 uint dpram_alloc_align(uint size,uint align); 740 void bootcount_store (ulong); 741 ulong bootcount_load (void); 742 #define BOOTCOUNT_MAGIC 0xB001C041 743 744 /* $(CPU)/.../<eth> */ 745 void mii_init (void); 746 747 /* $(CPU)/.../lcd.c */ 748 ulong lcd_setmem (ulong); 749 750 /* $(CPU)/.../video.c */ 751 ulong video_setmem (ulong); 752 753 /* arch/$(ARCH)/lib/cache.c */ 754 void enable_caches(void); 755 void flush_cache (unsigned long, unsigned long); 756 void flush_dcache_all(void); 757 void flush_dcache_range(unsigned long start, unsigned long stop); 758 void invalidate_dcache_range(unsigned long start, unsigned long stop); 759 void invalidate_dcache_all(void); 760 void invalidate_icache_all(void); 761 762 enum { 763 /* Disable caches (else flush caches but leave them active) */ 764 CBL_DISABLE_CACHES = 1 << 0, 765 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 766 767 CBL_ALL = 3, 768 }; 769 770 /** 771 * Clean up ready for linux 772 * 773 * @param flags Flags to control what is done 774 */ 775 int cleanup_before_linux_select(int flags); 776 777 /* arch/$(ARCH)/lib/ticks.S */ 778 uint64_t get_ticks(void); 779 void wait_ticks (unsigned long); 780 781 /* arch/$(ARCH)/lib/time.c */ 782 void __udelay (unsigned long); 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/time.c */ 840 void udelay (unsigned long); 841 void mdelay(unsigned long); 842 843 /* lib/uuid.c */ 844 #include <uuid.h> 845 846 /* lib/vsprintf.c */ 847 #include <vsprintf.h> 848 849 /* lib/strmhz.c */ 850 char * strmhz(char *buf, unsigned long hz); 851 852 /* lib/crc32.c */ 853 #include <u-boot/crc.h> 854 855 /* lib/rand.c */ 856 #define RAND_MAX -1U 857 void srand(unsigned int seed); 858 unsigned int rand(void); 859 unsigned int rand_r(unsigned int *seedp); 860 861 /* 862 * STDIO based functions (can always be used) 863 */ 864 /* serial stuff */ 865 int serial_printf (const char *fmt, ...) 866 __attribute__ ((format (__printf__, 1, 2))); 867 /* stdin */ 868 int getc(void); 869 int tstc(void); 870 871 /* stdout */ 872 #if !defined(CONFIG_SPL_BUILD) || \ 873 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 874 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 875 defined(CONFIG_SPL_SERIAL_SUPPORT)) 876 void putc(const char c); 877 void puts(const char *s); 878 int printf(const char *fmt, ...) 879 __attribute__ ((format (__printf__, 1, 2))); 880 int vprintf(const char *fmt, va_list args); 881 #else 882 #define putc(...) do { } while (0) 883 #define puts(...) do { } while (0) 884 #define printf(...) do { } while (0) 885 #define vprintf(...) do { } while (0) 886 #endif 887 888 /* stderr */ 889 #define eputc(c) fputc(stderr, c) 890 #define eputs(s) fputs(stderr, s) 891 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 892 893 /* 894 * FILE based functions (can only be used AFTER relocation!) 895 */ 896 #define stdin 0 897 #define stdout 1 898 #define stderr 2 899 #define MAX_FILES 3 900 901 int fprintf(int file, const char *fmt, ...) 902 __attribute__ ((format (__printf__, 2, 3))); 903 void fputs(int file, const char *s); 904 void fputc(int file, const char c); 905 int ftstc(int file); 906 int fgetc(int file); 907 908 /* lib/gzip.c */ 909 int gzip(void *dst, unsigned long *lenp, 910 unsigned char *src, unsigned long srclen); 911 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 912 unsigned long srclen, int stoponerr, 913 int (*func)(unsigned long, unsigned long)); 914 915 /* lib/net_utils.c */ 916 #include <net.h> 917 static inline struct in_addr getenv_ip(char *var) 918 { 919 return string_to_ip(getenv(var)); 920 } 921 922 int pcmcia_init (void); 923 924 #ifdef CONFIG_STATUS_LED 925 # include <status_led.h> 926 #endif 927 928 #include <bootstage.h> 929 930 #ifdef CONFIG_SHOW_ACTIVITY 931 void show_activity(int arg); 932 #endif 933 934 /* Multicore arch functions */ 935 #ifdef CONFIG_MP 936 int cpu_status(int nr); 937 int cpu_reset(int nr); 938 int cpu_disable(int nr); 939 int cpu_release(int nr, int argc, char * const argv[]); 940 #endif 941 942 #else /* __ASSEMBLY__ */ 943 944 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 945 #define _AC(X, Y) X 946 947 #endif /* __ASSEMBLY__ */ 948 949 #ifdef CONFIG_PPC 950 /* 951 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 952 * Otherwise might lead to compilation errors in assembler files. 953 */ 954 #include <asm/cache.h> 955 #endif 956 957 /* Put only stuff here that the assembler can digest */ 958 959 /* Declare an unsigned long constant digestable both by C and an assembler. */ 960 #define UL(x) _AC(x, UL) 961 962 #ifdef CONFIG_POST 963 #define CONFIG_HAS_POST 964 #ifndef CONFIG_POST_ALT_LIST 965 #define CONFIG_POST_STD_LIST 966 #endif 967 #endif 968 969 #ifdef CONFIG_INIT_CRITICAL 970 #error CONFIG_INIT_CRITICAL is deprecated! 971 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 972 #endif 973 974 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 975 976 /* 977 * check_member() - Check the offset of a structure member 978 * 979 * @structure: Name of structure (e.g. global_data) 980 * @member: Name of member (e.g. baudrate) 981 * @offset: Expected offset in bytes 982 */ 983 #define check_member(structure, member, offset) _Static_assert( \ 984 offsetof(struct structure, member) == offset, \ 985 "`struct " #structure "` offset for `" #member "` is not " #offset) 986 987 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 988 #ifdef CONFIG_EFI_STUB 989 #define ll_boot_init() false 990 #else 991 #define ll_boot_init() true 992 #endif 993 994 /* Pull in stuff for the build system */ 995 #ifdef DO_DEPS_ONLY 996 # include <environment.h> 997 #endif 998 999 #endif /* __COMMON_H_ */ 1000