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_cpu_init_dm() - init CPU after driver model is available 290 * 291 * This is called immediately after driver model is available before 292 * relocation. This is similar to arch_cpu_init() but is able to reference 293 * devices 294 * 295 * @return 0 if OK, -ve on error 296 */ 297 int arch_cpu_init_dm(void); 298 299 /** 300 * Reserve all necessary stacks 301 * 302 * This is used in generic board init sequence in common/board_f.c. Each 303 * architecture could provide this function to tailor the required stacks. 304 * 305 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 306 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 307 * require only this can leave it untouched. 308 * 309 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 310 * positions of the stack. The stack pointer(s) will be set to this later. 311 * gd->irq_sp is only required, if the architecture needs it. 312 * 313 * @return 0 if no error 314 */ 315 __weak int arch_reserve_stacks(void); 316 317 /** 318 * Show the DRAM size in a board-specific way 319 * 320 * This is used by boards to display DRAM information in their own way. 321 * 322 * @param size Size of DRAM (which should be displayed along with other info) 323 */ 324 void board_show_dram(phys_size_t size); 325 326 /** 327 * arch_fixup_fdt() - Write arch-specific information to fdt 328 * 329 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 330 * 331 * @blob: FDT blob to write to 332 * @return 0 if ok, or -ve FDT_ERR_... on failure 333 */ 334 int arch_fixup_fdt(void *blob); 335 336 /* common/flash.c */ 337 void flash_perror (int); 338 339 /* common/cmd_source.c */ 340 int source (ulong addr, const char *fit_uname); 341 342 extern ulong load_addr; /* Default Load Address */ 343 extern ulong save_addr; /* Default Save Address */ 344 extern ulong save_size; /* Default Save Size */ 345 346 /* common/cmd_net.c */ 347 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 348 349 /* common/cmd_fat.c */ 350 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 351 352 /* common/cmd_ext2.c */ 353 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 354 355 /* common/cmd_nvedit.c */ 356 int env_init (void); 357 void env_relocate (void); 358 int envmatch (uchar *, int); 359 360 /* Avoid unfortunate conflict with libc's getenv() */ 361 #ifdef CONFIG_SANDBOX 362 #define getenv uboot_getenv 363 #endif 364 char *getenv (const char *); 365 int getenv_f (const char *name, char *buf, unsigned len); 366 ulong getenv_ulong(const char *name, int base, ulong default_val); 367 368 /** 369 * getenv_hex() - Return an environment variable as a hex value 370 * 371 * Decode an environment as a hex number (it may or may not have a 0x 372 * prefix). If the environment variable cannot be found, or does not start 373 * with hex digits, the default value is returned. 374 * 375 * @varname: Variable to decode 376 * @default_val: Value to return on error 377 */ 378 ulong getenv_hex(const char *varname, ulong default_val); 379 380 /* 381 * Read an environment variable as a boolean 382 * Return -1 if variable does not exist (default to true) 383 */ 384 int getenv_yesno(const char *var); 385 int saveenv (void); 386 int setenv (const char *, const char *); 387 int setenv_ulong(const char *varname, ulong value); 388 int setenv_hex(const char *varname, ulong value); 389 /** 390 * setenv_addr - Set an environment variable to an address in hex 391 * 392 * @varname: Environment variable to set 393 * @addr: Value to set it to 394 * @return 0 if ok, 1 on error 395 */ 396 static inline int setenv_addr(const char *varname, const void *addr) 397 { 398 return setenv_hex(varname, (ulong)addr); 399 } 400 401 #ifdef CONFIG_ARM 402 # include <asm/mach-types.h> 403 # include <asm/setup.h> 404 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 405 #endif /* CONFIG_ARM */ 406 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 407 # include <asm/u-boot-x86.h> 408 #endif /* CONFIG_X86 */ 409 #ifdef CONFIG_SANDBOX 410 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 411 #endif 412 #ifdef CONFIG_NDS32 413 # include <asm/mach-types.h> 414 # include <asm/setup.h> 415 # include <asm/u-boot-nds32.h> 416 #endif /* CONFIG_NDS32 */ 417 #ifdef CONFIG_MIPS 418 # include <asm/u-boot-mips.h> 419 #endif /* CONFIG_MIPS */ 420 #ifdef CONFIG_ARC 421 # include <asm/u-boot-arc.h> 422 #endif /* CONFIG_ARC */ 423 424 #ifdef CONFIG_AUTO_COMPLETE 425 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 426 #endif 427 int get_env_id (void); 428 429 void pci_init (void); 430 void pci_init_board(void); 431 432 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 433 int pci_pre_init (struct pci_controller *); 434 int is_pci_host (struct pci_controller *); 435 #endif 436 437 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 438 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 439 void pci_target_init (struct pci_controller *); 440 # endif 441 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 442 void pci_master_init (struct pci_controller *); 443 # endif 444 #if defined(CONFIG_440SPE) || \ 445 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 446 defined(CONFIG_405EX) 447 void pcie_setup_hoses(int busno); 448 #endif 449 #endif 450 451 int misc_init_f (void); 452 int misc_init_r (void); 453 454 /* common/exports.c */ 455 void jumptable_init(void); 456 457 /* common/kallsysm.c */ 458 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 459 460 /* api/api.c */ 461 void api_init (void); 462 463 /* common/memsize.c */ 464 long get_ram_size (long *, long); 465 phys_size_t get_effective_memsize(void); 466 467 /* $(BOARD)/$(BOARD).c */ 468 void reset_phy (void); 469 void fdc_hw_init (void); 470 471 /* $(BOARD)/eeprom.c */ 472 void eeprom_init (int bus); 473 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 474 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 475 476 /* 477 * Set this up regardless of board 478 * type, to prevent errors. 479 */ 480 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 481 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 482 #else 483 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 484 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 485 #endif 486 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 487 488 #if defined(CONFIG_SPI) 489 extern void spi_init_f (void); 490 extern void spi_init_r (void); 491 extern ssize_t spi_read (uchar *, int, uchar *, int); 492 extern ssize_t spi_write (uchar *, int, uchar *, int); 493 #endif 494 495 /* $(BOARD)/$(BOARD).c */ 496 int board_early_init_f (void); 497 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 498 int board_late_init (void); 499 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 500 int board_early_init_r (void); 501 void board_poweroff (void); 502 503 #if defined(CONFIG_SYS_DRAM_TEST) 504 int testdram(void); 505 #endif /* CONFIG_SYS_DRAM_TEST */ 506 507 /* $(CPU)/start.S */ 508 #if defined(CONFIG_5xx) || \ 509 defined(CONFIG_8xx) 510 uint get_immr (uint); 511 #endif 512 #if defined(CONFIG_MPC5xxx) 513 uint get_svr (void); 514 #endif 515 uint get_pvr (void); 516 uint get_svr (void); 517 uint rd_ic_cst (void); 518 void wr_ic_cst (uint); 519 void wr_ic_adr (uint); 520 uint rd_dc_cst (void); 521 void wr_dc_cst (uint); 522 void wr_dc_adr (uint); 523 int icache_status (void); 524 void icache_enable (void); 525 void icache_disable(void); 526 int dcache_status (void); 527 void dcache_enable (void); 528 void dcache_disable(void); 529 void mmu_disable(void); 530 #if defined(CONFIG_ARM) 531 void relocate_code(ulong); 532 #else 533 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 534 #endif 535 ulong get_endaddr (void); 536 void trap_init (ulong); 537 #if defined (CONFIG_4xx) || \ 538 defined (CONFIG_MPC5xxx) || \ 539 defined (CONFIG_MPC85xx) || \ 540 defined (CONFIG_MPC86xx) || \ 541 defined (CONFIG_MPC83xx) 542 unsigned char in8(unsigned int); 543 void out8(unsigned int, unsigned char); 544 unsigned short in16(unsigned int); 545 unsigned short in16r(unsigned int); 546 void out16(unsigned int, unsigned short value); 547 void out16r(unsigned int, unsigned short value); 548 unsigned long in32(unsigned int); 549 unsigned long in32r(unsigned int); 550 void out32(unsigned int, unsigned long value); 551 void out32r(unsigned int, unsigned long value); 552 void ppcDcbf(unsigned long value); 553 void ppcDcbi(unsigned long value); 554 void ppcSync(void); 555 void ppcDcbz(unsigned long value); 556 #endif 557 #if defined (CONFIG_MICROBLAZE) 558 unsigned short in16(unsigned int); 559 void out16(unsigned int, unsigned short value); 560 #endif 561 562 #if defined (CONFIG_MPC83xx) 563 void ppcDWload(unsigned int *addr, unsigned int *ret); 564 void ppcDWstore(unsigned int *addr, unsigned int *value); 565 void disable_addr_trans(void); 566 void enable_addr_trans(void); 567 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 568 void ddr_enable_ecc(unsigned int dram_size); 569 #endif 570 #endif 571 572 /* $(CPU)/cpu.c */ 573 static inline int cpumask_next(int cpu, unsigned int mask) 574 { 575 for (cpu++; !((1 << cpu) & mask); cpu++) 576 ; 577 578 return cpu; 579 } 580 581 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 582 for (iter = 0, cpu = cpumask_next(-1, mask); \ 583 iter < num_cpus; \ 584 iter++, cpu = cpumask_next(cpu, mask)) \ 585 586 int cpu_numcores (void); 587 int cpu_num_dspcores(void); 588 u32 cpu_mask (void); 589 u32 cpu_dsp_mask(void); 590 int is_core_valid (unsigned int); 591 592 /** 593 * arch_cpu_init() - basic cpu-dependent setup for an architecture 594 * 595 * This is called after early malloc is available. It should handle any 596 * CPU- or SoC- specific init needed to continue the init sequence. See 597 * board_f.c for where it is called. If this is not provided, a default 598 * version (which does nothing) will be used. 599 */ 600 int arch_cpu_init(void); 601 602 int checkcpu (void); 603 int checkicache (void); 604 int checkdcache (void); 605 void upmconfig (unsigned int, unsigned int *, unsigned int); 606 ulong get_tbclk (void); 607 void reset_misc (void); 608 void reset_cpu (ulong addr); 609 void ft_cpu_setup(void *blob, bd_t *bd); 610 void ft_pci_setup(void *blob, bd_t *bd); 611 612 void smp_set_core_boot_addr(unsigned long addr, int corenr); 613 void smp_kick_all_cpus(void); 614 615 /* $(CPU)/serial.c */ 616 int serial_init (void); 617 void serial_setbrg (void); 618 void serial_putc (const char); 619 void serial_putc_raw(const char); 620 void serial_puts (const char *); 621 int serial_getc (void); 622 int serial_tstc (void); 623 624 /* These versions take a stdio_dev pointer */ 625 struct stdio_dev; 626 int serial_stub_getc(struct stdio_dev *sdev); 627 int serial_stub_tstc(struct stdio_dev *sdev); 628 629 /* $(CPU)/speed.c */ 630 int get_clocks (void); 631 int get_clocks_866 (void); 632 int sdram_adjust_866 (void); 633 int adjust_sdram_tbs_8xx (void); 634 #if defined(CONFIG_MPC8260) 635 int prt_8260_clks (void); 636 #elif defined(CONFIG_MPC5xxx) 637 int prt_mpc5xxx_clks (void); 638 #endif 639 #ifdef CONFIG_4xx 640 ulong get_OPB_freq (void); 641 ulong get_PCI_freq (void); 642 #endif 643 #if defined(CONFIG_S3C24X0) || \ 644 defined(CONFIG_LH7A40X) || \ 645 defined(CONFIG_EP93XX) 646 ulong get_FCLK (void); 647 ulong get_HCLK (void); 648 ulong get_PCLK (void); 649 ulong get_UCLK (void); 650 #endif 651 #if defined(CONFIG_LH7A40X) 652 ulong get_PLLCLK (void); 653 #endif 654 #if defined(CONFIG_IMX) 655 ulong get_systemPLLCLK(void); 656 ulong get_FCLK(void); 657 ulong get_HCLK(void); 658 ulong get_BCLK(void); 659 ulong get_PERCLK1(void); 660 ulong get_PERCLK2(void); 661 ulong get_PERCLK3(void); 662 #endif 663 ulong get_bus_freq (ulong); 664 int get_serial_clock(void); 665 666 #if defined(CONFIG_MPC85xx) 667 typedef MPC85xx_SYS_INFO sys_info_t; 668 void get_sys_info ( sys_info_t * ); 669 void ft_fixup_cpu(void *, u64); 670 void ft_fixup_num_cores(void *); 671 #endif 672 #if defined(CONFIG_MPC86xx) 673 typedef MPC86xx_SYS_INFO sys_info_t; 674 void get_sys_info ( sys_info_t * ); 675 static inline ulong get_ddr_freq(ulong dummy) 676 { 677 return get_bus_freq(dummy); 678 } 679 #else 680 ulong get_ddr_freq(ulong); 681 #endif 682 683 #if defined(CONFIG_4xx) 684 # if defined(CONFIG_440) 685 # if defined(CONFIG_440SPE) 686 unsigned long determine_sysper(void); 687 unsigned long determine_pci_clock_per(void); 688 # endif 689 # endif 690 typedef PPC4xx_SYS_INFO sys_info_t; 691 int ppc440spe_revB(void); 692 void get_sys_info ( sys_info_t * ); 693 #endif 694 695 /* $(CPU)/cpu_init.c */ 696 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 697 void cpu_init_f (volatile immap_t *immr); 698 #endif 699 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 700 void cpu_init_f (void); 701 #endif 702 #ifdef CONFIG_MPC85xx 703 ulong cpu_init_f(void); 704 #endif 705 706 int cpu_init_r (void); 707 #if defined(CONFIG_MPC8260) 708 int prt_8260_rsr (void); 709 #elif defined(CONFIG_MPC83xx) 710 int prt_83xx_rsr (void); 711 #endif 712 713 /* $(CPU)/interrupts.c */ 714 int interrupt_init (void); 715 void timer_interrupt (struct pt_regs *); 716 void external_interrupt (struct pt_regs *); 717 void irq_install_handler(int, interrupt_handler_t *, void *); 718 void irq_free_handler (int); 719 void reset_timer (void); 720 721 /* Return value of monotonic microsecond timer */ 722 unsigned long timer_get_us(void); 723 724 void enable_interrupts (void); 725 int disable_interrupts (void); 726 727 /* $(CPU)/.../commproc.c */ 728 int dpram_init (void); 729 uint dpram_base(void); 730 uint dpram_base_align(uint align); 731 uint dpram_alloc(uint size); 732 uint dpram_alloc_align(uint size,uint align); 733 void bootcount_store (ulong); 734 ulong bootcount_load (void); 735 #define BOOTCOUNT_MAGIC 0xB001C041 736 737 /* $(CPU)/.../<eth> */ 738 void mii_init (void); 739 740 /* $(CPU)/.../lcd.c */ 741 ulong lcd_setmem (ulong); 742 743 /* $(CPU)/.../video.c */ 744 ulong video_setmem (ulong); 745 746 /* arch/$(ARCH)/lib/cache.c */ 747 void enable_caches(void); 748 void flush_cache (unsigned long, unsigned long); 749 void flush_dcache_all(void); 750 void flush_dcache_range(unsigned long start, unsigned long stop); 751 void invalidate_dcache_range(unsigned long start, unsigned long stop); 752 void invalidate_dcache_all(void); 753 void invalidate_icache_all(void); 754 755 enum { 756 /* Disable caches (else flush caches but leave them active) */ 757 CBL_DISABLE_CACHES = 1 << 0, 758 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 759 760 CBL_ALL = 3, 761 }; 762 763 /** 764 * Clean up ready for linux 765 * 766 * @param flags Flags to control what is done 767 */ 768 int cleanup_before_linux_select(int flags); 769 770 /* arch/$(ARCH)/lib/ticks.S */ 771 uint64_t get_ticks(void); 772 void wait_ticks (unsigned long); 773 774 /* arch/$(ARCH)/lib/time.c */ 775 ulong usec2ticks (unsigned long usec); 776 ulong ticks2usec (unsigned long ticks); 777 int init_timebase (void); 778 779 /* lib/gunzip.c */ 780 int gunzip(void *, int, unsigned char *, unsigned long *); 781 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 782 int stoponerr, int offset); 783 784 /** 785 * gzwrite progress indicators: defined weak to allow board-specific 786 * overrides: 787 * 788 * gzwrite_progress_init called on startup 789 * gzwrite_progress called during decompress/write loop 790 * gzwrite_progress_finish called at end of loop to 791 * indicate success (retcode=0) or failure 792 */ 793 void gzwrite_progress_init(u64 expected_size); 794 795 void gzwrite_progress(int iteration, 796 u64 bytes_written, 797 u64 total_bytes); 798 799 void gzwrite_progress_finish(int retcode, 800 u64 totalwritten, 801 u64 totalsize, 802 u32 expected_crc, 803 u32 calculated_crc); 804 805 /** 806 * decompress and write gzipped image from memory to block device 807 * 808 * @param src compressed image address 809 * @param len compressed image length in bytes 810 * @param dev block device descriptor 811 * @param szwritebuf bytes per write (pad to erase size) 812 * @param startoffs offset in bytes of first write 813 * @param szexpected expected uncompressed length 814 * may be zero to use gzip trailer 815 * for files under 4GiB 816 */ 817 int gzwrite(unsigned char *src, int len, 818 struct blk_desc *dev, 819 unsigned long szwritebuf, 820 u64 startoffs, 821 u64 szexpected); 822 823 /* lib/lz4_wrapper.c */ 824 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 825 826 /* lib/qsort.c */ 827 void qsort(void *base, size_t nmemb, size_t size, 828 int(*compar)(const void *, const void *)); 829 int strcmp_compar(const void *, const void *); 830 831 /* lib/uuid.c */ 832 #include <uuid.h> 833 834 /* lib/vsprintf.c */ 835 #include <vsprintf.h> 836 837 /* lib/strmhz.c */ 838 char * strmhz(char *buf, unsigned long hz); 839 840 /* lib/crc32.c */ 841 #include <u-boot/crc.h> 842 843 /* lib/rand.c */ 844 #define RAND_MAX -1U 845 void srand(unsigned int seed); 846 unsigned int rand(void); 847 unsigned int rand_r(unsigned int *seedp); 848 849 /* 850 * STDIO based functions (can always be used) 851 */ 852 /* serial stuff */ 853 int serial_printf (const char *fmt, ...) 854 __attribute__ ((format (__printf__, 1, 2))); 855 /* stdin */ 856 int getc(void); 857 int tstc(void); 858 859 /* stdout */ 860 #if !defined(CONFIG_SPL_BUILD) || \ 861 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 862 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 863 defined(CONFIG_SPL_SERIAL_SUPPORT)) 864 void putc(const char c); 865 void puts(const char *s); 866 int printf(const char *fmt, ...) 867 __attribute__ ((format (__printf__, 1, 2))); 868 int vprintf(const char *fmt, va_list args); 869 #else 870 #define putc(...) do { } while (0) 871 #define puts(...) do { } while (0) 872 #define printf(...) do { } while (0) 873 #define vprintf(...) do { } while (0) 874 #endif 875 876 /* stderr */ 877 #define eputc(c) fputc(stderr, c) 878 #define eputs(s) fputs(stderr, s) 879 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 880 881 /* 882 * FILE based functions (can only be used AFTER relocation!) 883 */ 884 #define stdin 0 885 #define stdout 1 886 #define stderr 2 887 #define MAX_FILES 3 888 889 int fprintf(int file, const char *fmt, ...) 890 __attribute__ ((format (__printf__, 2, 3))); 891 void fputs(int file, const char *s); 892 void fputc(int file, const char c); 893 int ftstc(int file); 894 int fgetc(int file); 895 896 /* lib/gzip.c */ 897 int gzip(void *dst, unsigned long *lenp, 898 unsigned char *src, unsigned long srclen); 899 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 900 unsigned long srclen, int stoponerr, 901 int (*func)(unsigned long, unsigned long)); 902 903 /* lib/net_utils.c */ 904 #include <net.h> 905 static inline struct in_addr getenv_ip(char *var) 906 { 907 return string_to_ip(getenv(var)); 908 } 909 910 int pcmcia_init (void); 911 912 #ifdef CONFIG_LED_STATUS 913 # include <status_led.h> 914 #endif 915 916 #include <bootstage.h> 917 918 #ifdef CONFIG_SHOW_ACTIVITY 919 void show_activity(int arg); 920 #endif 921 922 /* Multicore arch functions */ 923 #ifdef CONFIG_MP 924 int cpu_status(int nr); 925 int cpu_reset(int nr); 926 int cpu_disable(int nr); 927 int cpu_release(int nr, int argc, char * const argv[]); 928 #endif 929 930 #else /* __ASSEMBLY__ */ 931 932 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 933 #define _AC(X, Y) X 934 935 #endif /* __ASSEMBLY__ */ 936 937 #ifdef CONFIG_PPC 938 /* 939 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 940 * Otherwise might lead to compilation errors in assembler files. 941 */ 942 #include <asm/cache.h> 943 #endif 944 945 /* Put only stuff here that the assembler can digest */ 946 947 /* Declare an unsigned long constant digestable both by C and an assembler. */ 948 #define UL(x) _AC(x, UL) 949 950 #ifdef CONFIG_POST 951 #define CONFIG_HAS_POST 952 #ifndef CONFIG_POST_ALT_LIST 953 #define CONFIG_POST_STD_LIST 954 #endif 955 #endif 956 957 #ifdef CONFIG_INIT_CRITICAL 958 #error CONFIG_INIT_CRITICAL is deprecated! 959 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 960 #endif 961 962 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 963 964 /* 965 * check_member() - Check the offset of a structure member 966 * 967 * @structure: Name of structure (e.g. global_data) 968 * @member: Name of member (e.g. baudrate) 969 * @offset: Expected offset in bytes 970 */ 971 #define check_member(structure, member, offset) _Static_assert( \ 972 offsetof(struct structure, member) == offset, \ 973 "`struct " #structure "` offset for `" #member "` is not " #offset) 974 975 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 976 #ifdef CONFIG_EFI_STUB 977 #define ll_boot_init() false 978 #else 979 #define ll_boot_init() true 980 #endif 981 982 /* Pull in stuff for the build system */ 983 #ifdef DO_DEPS_ONLY 984 # include <environment.h> 985 #endif 986 987 #endif /* __COMMON_H_ */ 988