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_BLACKFIN 80 #include <asm/blackfin.h> 81 #endif 82 #ifdef CONFIG_SOC_DA8XX 83 #include <asm/arch/hardware.h> 84 #endif 85 #ifdef CONFIG_FSL_LSCH3 86 #include <asm/arch/immap_lsch3.h> 87 #endif 88 #ifdef CONFIG_FSL_LSCH2 89 #include <asm/arch/immap_lsch2.h> 90 #endif 91 92 #include <part.h> 93 #include <flash.h> 94 #include <image.h> 95 96 /* Bring in printf format macros if inttypes.h is included */ 97 #define __STDC_FORMAT_MACROS 98 99 #ifdef __LP64__ 100 #define CONFIG_SYS_SUPPORT_64BIT_DATA 101 #endif 102 103 #ifdef DEBUG 104 #define _DEBUG 1 105 #else 106 #define _DEBUG 0 107 #endif 108 109 #ifdef CONFIG_SPL_BUILD 110 #define _SPL_BUILD 1 111 #else 112 #define _SPL_BUILD 0 113 #endif 114 115 /* Define this at the top of a file to add a prefix to debug messages */ 116 #ifndef pr_fmt 117 #define pr_fmt(fmt) fmt 118 #endif 119 120 /* 121 * Output a debug text when condition "cond" is met. The "cond" should be 122 * computed by a preprocessor in the best case, allowing for the best 123 * optimization. 124 */ 125 #define debug_cond(cond, fmt, args...) \ 126 do { \ 127 if (cond) \ 128 printf(pr_fmt(fmt), ##args); \ 129 } while (0) 130 131 /* Show a message if DEBUG is defined in a file */ 132 #define debug(fmt, args...) \ 133 debug_cond(_DEBUG, fmt, ##args) 134 135 /* Show a message if not in SPL */ 136 #define warn_non_spl(fmt, args...) \ 137 debug_cond(!_SPL_BUILD, fmt, ##args) 138 139 /* 140 * An assertion is run-time check done in debug mode only. If DEBUG is not 141 * defined then it is skipped. If DEBUG is defined and the assertion fails, 142 * then it calls panic*( which may or may not reset/halt U-Boot (see 143 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 144 * before release, and after release it is hoped that they don't matter. But 145 * in any case these failing assertions cannot be fixed with a reset (which 146 * may just do the same assertion again). 147 */ 148 void __assert_fail(const char *assertion, const char *file, unsigned line, 149 const char *function); 150 #define assert(x) \ 151 ({ if (!(x) && _DEBUG) \ 152 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 153 154 #define error(fmt, args...) do { \ 155 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 156 ##args, __FILE__, __LINE__, __func__); \ 157 } while (0) 158 159 #ifndef BUG 160 #define BUG() do { \ 161 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 162 panic("BUG!"); \ 163 } while (0) 164 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 165 #endif /* BUG */ 166 167 typedef void (interrupt_handler_t)(void *); 168 169 #include <asm/u-boot.h> /* boot information for Linux kernel */ 170 #include <asm/global_data.h> /* global data used for startup functions */ 171 172 /* 173 * enable common handling for all TQM8xxL/M boards: 174 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 175 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 176 * and for the TQM885D board 177 */ 178 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 179 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 180 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 181 # ifndef CONFIG_TQM8xxM 182 # define CONFIG_TQM8xxM 183 # endif 184 #endif 185 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 186 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 187 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 188 defined(CONFIG_TQM885D) 189 # ifndef CONFIG_TQM8xxL 190 # define CONFIG_TQM8xxL 191 # endif 192 #endif 193 194 #if defined(CONFIG_ENV_IS_EMBEDDED) 195 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 196 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 197 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 198 defined(CONFIG_ENV_IS_IN_NVRAM) 199 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 200 #else 201 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 202 #endif 203 204 /* 205 * Function Prototypes 206 */ 207 int dram_init(void); 208 209 void hang (void) __attribute__ ((noreturn)); 210 211 int timer_init(void); 212 int cpu_init(void); 213 214 /* */ 215 phys_size_t initdram (int); 216 217 #include <display_options.h> 218 219 /* common/main.c */ 220 void main_loop (void); 221 int run_command(const char *cmd, int flag); 222 int run_command_repeatable(const char *cmd, int flag); 223 224 /** 225 * Run a list of commands separated by ; or even \0 226 * 227 * Note that if 'len' is not -1, then the command does not need to be nul 228 * terminated, Memory will be allocated for the command in that case. 229 * 230 * @param cmd List of commands to run, each separated bu semicolon 231 * @param len Length of commands excluding terminator if known (-1 if not) 232 * @param flag Execution flags (CMD_FLAG_...) 233 * @return 0 on success, or != 0 on error. 234 */ 235 int run_command_list(const char *cmd, int len, int flag); 236 237 /* arch/$(ARCH)/lib/board.c */ 238 void board_init_f(ulong); 239 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 240 241 /** 242 * ulong board_init_f_alloc_reserve - allocate reserved area 243 * 244 * This function is called by each architecture very early in the start-up 245 * code to allow the C runtime to reserve space on the stack for writable 246 * 'globals' such as GD and the malloc arena. 247 * 248 * @top: top of the reserve area, growing down. 249 * @return: bottom of reserved area 250 */ 251 ulong board_init_f_alloc_reserve(ulong top); 252 253 /** 254 * board_init_f_init_reserve - initialize the reserved area(s) 255 * 256 * This function is called once the C runtime has allocated the reserved 257 * area on the stack. It must initialize the GD at the base of that area. 258 * 259 * @base: top from which reservation was done 260 */ 261 void board_init_f_init_reserve(ulong base); 262 263 /** 264 * arch_setup_gd() - Set up the global_data pointer 265 * 266 * This pointer is special in some architectures and cannot easily be assigned 267 * to. For example on x86 it is implemented by adding a specific record to its 268 * Global Descriptor Table! So we we provide a function to carry out this task. 269 * For most architectures this can simply be: 270 * 271 * gd = gd_ptr; 272 * 273 * @gd_ptr: Pointer to global data 274 */ 275 void arch_setup_gd(gd_t *gd_ptr); 276 277 int checkboard(void); 278 int show_board_info(void); 279 int checkflash(void); 280 int checkdram(void); 281 int last_stage_init(void); 282 extern ulong monitor_flash_len; 283 int mac_read_from_eeprom(void); 284 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 285 int set_cpu_clk_info(void); 286 int mdm_init(void); 287 #if defined(CONFIG_DISPLAY_CPUINFO) 288 int print_cpuinfo(void); 289 #else 290 static inline int print_cpuinfo(void) 291 { 292 return 0; 293 } 294 #endif 295 int update_flash_size(int flash_size); 296 int arch_early_init_r(void); 297 298 /** 299 * arch_cpu_init_dm() - init CPU after driver model is available 300 * 301 * This is called immediately after driver model is available before 302 * relocation. This is similar to arch_cpu_init() but is able to reference 303 * devices 304 * 305 * @return 0 if OK, -ve on error 306 */ 307 int arch_cpu_init_dm(void); 308 309 /** 310 * Reserve all necessary stacks 311 * 312 * This is used in generic board init sequence in common/board_f.c. Each 313 * architecture could provide this function to tailor the required stacks. 314 * 315 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 316 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 317 * require only this can leave it untouched. 318 * 319 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 320 * positions of the stack. The stack pointer(s) will be set to this later. 321 * gd->irq_sp is only required, if the architecture needs it. 322 * 323 * @return 0 if no error 324 */ 325 __weak int arch_reserve_stacks(void); 326 327 /** 328 * Show the DRAM size in a board-specific way 329 * 330 * This is used by boards to display DRAM information in their own way. 331 * 332 * @param size Size of DRAM (which should be displayed along with other info) 333 */ 334 void board_show_dram(phys_size_t size); 335 336 /** 337 * arch_fixup_fdt() - Write arch-specific information to fdt 338 * 339 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 340 * 341 * @blob: FDT blob to write to 342 * @return 0 if ok, or -ve FDT_ERR_... on failure 343 */ 344 int arch_fixup_fdt(void *blob); 345 346 /* common/flash.c */ 347 void flash_perror (int); 348 349 /* common/cmd_source.c */ 350 int source (ulong addr, const char *fit_uname); 351 352 extern ulong load_addr; /* Default Load Address */ 353 extern ulong save_addr; /* Default Save Address */ 354 extern ulong save_size; /* Default Save Size */ 355 356 /* common/cmd_doc.c */ 357 void doc_probe(unsigned long physadr); 358 359 /* common/cmd_net.c */ 360 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 361 362 /* common/cmd_fat.c */ 363 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 364 365 /* common/cmd_ext2.c */ 366 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 367 368 /* common/cmd_nvedit.c */ 369 int env_init (void); 370 void env_relocate (void); 371 int envmatch (uchar *, int); 372 373 /* Avoid unfortunate conflict with libc's getenv() */ 374 #ifdef CONFIG_SANDBOX 375 #define getenv uboot_getenv 376 #endif 377 char *getenv (const char *); 378 int getenv_f (const char *name, char *buf, unsigned len); 379 ulong getenv_ulong(const char *name, int base, ulong default_val); 380 381 /** 382 * getenv_hex() - Return an environment variable as a hex value 383 * 384 * Decode an environment as a hex number (it may or may not have a 0x 385 * prefix). If the environment variable cannot be found, or does not start 386 * with hex digits, the default value is returned. 387 * 388 * @varname: Variable to decode 389 * @default_val: Value to return on error 390 */ 391 ulong getenv_hex(const char *varname, ulong default_val); 392 393 /* 394 * Read an environment variable as a boolean 395 * Return -1 if variable does not exist (default to true) 396 */ 397 int getenv_yesno(const char *var); 398 int saveenv (void); 399 int setenv (const char *, const char *); 400 int setenv_ulong(const char *varname, ulong value); 401 int setenv_hex(const char *varname, ulong value); 402 /** 403 * setenv_addr - Set an environment variable to an address in hex 404 * 405 * @varname: Environment variable to set 406 * @addr: Value to set it to 407 * @return 0 if ok, 1 on error 408 */ 409 static inline int setenv_addr(const char *varname, const void *addr) 410 { 411 return setenv_hex(varname, (ulong)addr); 412 } 413 414 #ifdef CONFIG_ARM 415 # include <asm/mach-types.h> 416 # include <asm/setup.h> 417 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 418 #endif /* CONFIG_ARM */ 419 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 420 # include <asm/u-boot-x86.h> 421 #endif /* CONFIG_X86 */ 422 #ifdef CONFIG_SANDBOX 423 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 424 #endif 425 #ifdef CONFIG_NDS32 426 # include <asm/mach-types.h> 427 # include <asm/setup.h> 428 # include <asm/u-boot-nds32.h> 429 #endif /* CONFIG_NDS32 */ 430 #ifdef CONFIG_MIPS 431 # include <asm/u-boot-mips.h> 432 #endif /* CONFIG_MIPS */ 433 #ifdef CONFIG_ARC 434 # include <asm/u-boot-arc.h> 435 #endif /* CONFIG_ARC */ 436 437 #ifdef CONFIG_AUTO_COMPLETE 438 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 439 #endif 440 int get_env_id (void); 441 442 void pci_init (void); 443 void pci_init_board(void); 444 445 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 446 int pci_pre_init (struct pci_controller *); 447 int is_pci_host (struct pci_controller *); 448 #endif 449 450 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 451 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 452 void pci_target_init (struct pci_controller *); 453 # endif 454 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 455 void pci_master_init (struct pci_controller *); 456 # endif 457 #if defined(CONFIG_440SPE) || \ 458 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 459 defined(CONFIG_405EX) 460 void pcie_setup_hoses(int busno); 461 #endif 462 #endif 463 464 int misc_init_f (void); 465 int misc_init_r (void); 466 467 /* common/exports.c */ 468 void jumptable_init(void); 469 470 /* common/kallsysm.c */ 471 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 472 473 /* api/api.c */ 474 void api_init (void); 475 476 /* common/memsize.c */ 477 long get_ram_size (long *, long); 478 phys_size_t get_effective_memsize(void); 479 480 /* $(BOARD)/$(BOARD).c */ 481 void reset_phy (void); 482 void fdc_hw_init (void); 483 484 /* $(BOARD)/eeprom.c */ 485 void eeprom_init (int bus); 486 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 487 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 488 489 /* 490 * Set this up regardless of board 491 * type, to prevent errors. 492 */ 493 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 494 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 495 #else 496 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 497 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 498 #endif 499 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 500 501 #if defined(CONFIG_SPI) 502 extern void spi_init_f (void); 503 extern void spi_init_r (void); 504 extern ssize_t spi_read (uchar *, int, uchar *, int); 505 extern ssize_t spi_write (uchar *, int, uchar *, int); 506 #endif 507 508 /* $(BOARD)/$(BOARD).c */ 509 int board_early_init_f (void); 510 int board_late_init (void); 511 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 512 int board_early_init_r (void); 513 void board_poweroff (void); 514 515 #if defined(CONFIG_SYS_DRAM_TEST) 516 int testdram(void); 517 #endif /* CONFIG_SYS_DRAM_TEST */ 518 519 /* $(CPU)/start.S */ 520 #if defined(CONFIG_5xx) || \ 521 defined(CONFIG_8xx) 522 uint get_immr (uint); 523 #endif 524 #if defined(CONFIG_MPC5xxx) 525 uint get_svr (void); 526 #endif 527 uint get_pvr (void); 528 uint get_svr (void); 529 uint rd_ic_cst (void); 530 void wr_ic_cst (uint); 531 void wr_ic_adr (uint); 532 uint rd_dc_cst (void); 533 void wr_dc_cst (uint); 534 void wr_dc_adr (uint); 535 int icache_status (void); 536 void icache_enable (void); 537 void icache_disable(void); 538 int dcache_status (void); 539 void dcache_enable (void); 540 void dcache_disable(void); 541 void mmu_disable(void); 542 #if defined(CONFIG_ARM) 543 void relocate_code(ulong); 544 #else 545 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 546 #endif 547 ulong get_endaddr (void); 548 void trap_init (ulong); 549 #if defined (CONFIG_4xx) || \ 550 defined (CONFIG_MPC5xxx) || \ 551 defined (CONFIG_MPC85xx) || \ 552 defined (CONFIG_MPC86xx) || \ 553 defined (CONFIG_MPC83xx) 554 unsigned char in8(unsigned int); 555 void out8(unsigned int, unsigned char); 556 unsigned short in16(unsigned int); 557 unsigned short in16r(unsigned int); 558 void out16(unsigned int, unsigned short value); 559 void out16r(unsigned int, unsigned short value); 560 unsigned long in32(unsigned int); 561 unsigned long in32r(unsigned int); 562 void out32(unsigned int, unsigned long value); 563 void out32r(unsigned int, unsigned long value); 564 void ppcDcbf(unsigned long value); 565 void ppcDcbi(unsigned long value); 566 void ppcSync(void); 567 void ppcDcbz(unsigned long value); 568 #endif 569 #if defined (CONFIG_MICROBLAZE) 570 unsigned short in16(unsigned int); 571 void out16(unsigned int, unsigned short value); 572 #endif 573 574 #if defined (CONFIG_MPC83xx) 575 void ppcDWload(unsigned int *addr, unsigned int *ret); 576 void ppcDWstore(unsigned int *addr, unsigned int *value); 577 void disable_addr_trans(void); 578 void enable_addr_trans(void); 579 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 580 void ddr_enable_ecc(unsigned int dram_size); 581 #endif 582 #endif 583 584 /* $(CPU)/cpu.c */ 585 static inline int cpumask_next(int cpu, unsigned int mask) 586 { 587 for (cpu++; !((1 << cpu) & mask); cpu++) 588 ; 589 590 return cpu; 591 } 592 593 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 594 for (iter = 0, cpu = cpumask_next(-1, mask); \ 595 iter < num_cpus; \ 596 iter++, cpu = cpumask_next(cpu, mask)) \ 597 598 int cpu_numcores (void); 599 int cpu_num_dspcores(void); 600 u32 cpu_mask (void); 601 u32 cpu_dsp_mask(void); 602 int is_core_valid (unsigned int); 603 int probecpu (void); 604 int checkcpu (void); 605 int checkicache (void); 606 int checkdcache (void); 607 void upmconfig (unsigned int, unsigned int *, unsigned int); 608 ulong get_tbclk (void); 609 void reset_misc (void); 610 void reset_cpu (ulong addr); 611 void ft_cpu_setup(void *blob, bd_t *bd); 612 void ft_pci_setup(void *blob, bd_t *bd); 613 614 void smp_set_core_boot_addr(unsigned long addr, int corenr); 615 void smp_kick_all_cpus(void); 616 617 /* $(CPU)/serial.c */ 618 int serial_init (void); 619 void serial_setbrg (void); 620 void serial_putc (const char); 621 void serial_putc_raw(const char); 622 void serial_puts (const char *); 623 int serial_getc (void); 624 int serial_tstc (void); 625 626 /* These versions take a stdio_dev pointer */ 627 struct stdio_dev; 628 int serial_stub_getc(struct stdio_dev *sdev); 629 int serial_stub_tstc(struct stdio_dev *sdev); 630 631 /* $(CPU)/speed.c */ 632 int get_clocks (void); 633 int get_clocks_866 (void); 634 int sdram_adjust_866 (void); 635 int adjust_sdram_tbs_8xx (void); 636 #if defined(CONFIG_MPC8260) 637 int prt_8260_clks (void); 638 #elif defined(CONFIG_MPC5xxx) 639 int prt_mpc5xxx_clks (void); 640 #endif 641 #ifdef CONFIG_4xx 642 ulong get_OPB_freq (void); 643 ulong get_PCI_freq (void); 644 #endif 645 #if defined(CONFIG_S3C24X0) || \ 646 defined(CONFIG_LH7A40X) || \ 647 defined(CONFIG_EP93XX) 648 ulong get_FCLK (void); 649 ulong get_HCLK (void); 650 ulong get_PCLK (void); 651 ulong get_UCLK (void); 652 #endif 653 #if defined(CONFIG_LH7A40X) 654 ulong get_PLLCLK (void); 655 #endif 656 #if defined(CONFIG_IMX) 657 ulong get_systemPLLCLK(void); 658 ulong get_FCLK(void); 659 ulong get_HCLK(void); 660 ulong get_BCLK(void); 661 ulong get_PERCLK1(void); 662 ulong get_PERCLK2(void); 663 ulong get_PERCLK3(void); 664 #endif 665 ulong get_bus_freq (ulong); 666 int get_serial_clock(void); 667 668 #if defined(CONFIG_MPC85xx) 669 typedef MPC85xx_SYS_INFO sys_info_t; 670 void get_sys_info ( sys_info_t * ); 671 void ft_fixup_cpu(void *, u64); 672 void ft_fixup_num_cores(void *); 673 #endif 674 #if defined(CONFIG_MPC86xx) 675 typedef MPC86xx_SYS_INFO sys_info_t; 676 void get_sys_info ( sys_info_t * ); 677 static inline ulong get_ddr_freq(ulong dummy) 678 { 679 return get_bus_freq(dummy); 680 } 681 #else 682 ulong get_ddr_freq(ulong); 683 #endif 684 685 #if defined(CONFIG_4xx) 686 # if defined(CONFIG_440) 687 # if defined(CONFIG_440SPE) 688 unsigned long determine_sysper(void); 689 unsigned long determine_pci_clock_per(void); 690 # endif 691 # endif 692 typedef PPC4xx_SYS_INFO sys_info_t; 693 int ppc440spe_revB(void); 694 void get_sys_info ( sys_info_t * ); 695 #endif 696 697 /* $(CPU)/cpu_init.c */ 698 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 699 void cpu_init_f (volatile immap_t *immr); 700 #endif 701 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 702 void cpu_init_f (void); 703 #endif 704 #ifdef CONFIG_MPC85xx 705 ulong cpu_init_f(void); 706 #endif 707 708 int cpu_init_r (void); 709 #if defined(CONFIG_MPC8260) 710 int prt_8260_rsr (void); 711 #elif defined(CONFIG_MPC83xx) 712 int prt_83xx_rsr (void); 713 #endif 714 715 /* $(CPU)/interrupts.c */ 716 int interrupt_init (void); 717 void timer_interrupt (struct pt_regs *); 718 void external_interrupt (struct pt_regs *); 719 void irq_install_handler(int, interrupt_handler_t *, void *); 720 void irq_free_handler (int); 721 void reset_timer (void); 722 723 /* Return value of monotonic microsecond timer */ 724 unsigned long timer_get_us(void); 725 726 void enable_interrupts (void); 727 int disable_interrupts (void); 728 729 /* $(CPU)/.../commproc.c */ 730 int dpram_init (void); 731 uint dpram_base(void); 732 uint dpram_base_align(uint align); 733 uint dpram_alloc(uint size); 734 uint dpram_alloc_align(uint size,uint align); 735 void bootcount_store (ulong); 736 ulong bootcount_load (void); 737 #define BOOTCOUNT_MAGIC 0xB001C041 738 739 /* $(CPU)/.../<eth> */ 740 void mii_init (void); 741 742 /* $(CPU)/.../lcd.c */ 743 ulong lcd_setmem (ulong); 744 745 /* $(CPU)/.../video.c */ 746 ulong video_setmem (ulong); 747 748 /* arch/$(ARCH)/lib/cache.c */ 749 void enable_caches(void); 750 void flush_cache (unsigned long, unsigned long); 751 void flush_dcache_all(void); 752 void flush_dcache_range(unsigned long start, unsigned long stop); 753 void invalidate_dcache_range(unsigned long start, unsigned long stop); 754 void invalidate_dcache_all(void); 755 void invalidate_icache_all(void); 756 757 enum { 758 /* Disable caches (else flush caches but leave them active) */ 759 CBL_DISABLE_CACHES = 1 << 0, 760 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 761 762 CBL_ALL = 3, 763 }; 764 765 /** 766 * Clean up ready for linux 767 * 768 * @param flags Flags to control what is done 769 */ 770 int cleanup_before_linux_select(int flags); 771 772 /* arch/$(ARCH)/lib/ticks.S */ 773 uint64_t get_ticks(void); 774 void wait_ticks (unsigned long); 775 776 /* arch/$(ARCH)/lib/time.c */ 777 ulong usec2ticks (unsigned long usec); 778 ulong ticks2usec (unsigned long ticks); 779 int init_timebase (void); 780 781 /* lib/gunzip.c */ 782 int gunzip(void *, int, unsigned char *, unsigned long *); 783 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 784 int stoponerr, int offset); 785 786 /** 787 * gzwrite progress indicators: defined weak to allow board-specific 788 * overrides: 789 * 790 * gzwrite_progress_init called on startup 791 * gzwrite_progress called during decompress/write loop 792 * gzwrite_progress_finish called at end of loop to 793 * indicate success (retcode=0) or failure 794 */ 795 void gzwrite_progress_init(u64 expected_size); 796 797 void gzwrite_progress(int iteration, 798 u64 bytes_written, 799 u64 total_bytes); 800 801 void gzwrite_progress_finish(int retcode, 802 u64 totalwritten, 803 u64 totalsize, 804 u32 expected_crc, 805 u32 calculated_crc); 806 807 /** 808 * decompress and write gzipped image from memory to block device 809 * 810 * @param src compressed image address 811 * @param len compressed image length in bytes 812 * @param dev block device descriptor 813 * @param szwritebuf bytes per write (pad to erase size) 814 * @param startoffs offset in bytes of first write 815 * @param szexpected expected uncompressed length 816 * may be zero to use gzip trailer 817 * for files under 4GiB 818 */ 819 int gzwrite(unsigned char *src, int len, 820 struct blk_desc *dev, 821 unsigned long szwritebuf, 822 u64 startoffs, 823 u64 szexpected); 824 825 /* lib/lz4_wrapper.c */ 826 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 827 828 /* lib/qsort.c */ 829 void qsort(void *base, size_t nmemb, size_t size, 830 int(*compar)(const void *, const void *)); 831 int strcmp_compar(const void *, const void *); 832 833 /* lib/uuid.c */ 834 #include <uuid.h> 835 836 /* lib/vsprintf.c */ 837 #include <vsprintf.h> 838 839 /* lib/strmhz.c */ 840 char * strmhz(char *buf, unsigned long hz); 841 842 /* lib/crc32.c */ 843 #include <u-boot/crc.h> 844 845 /* lib/rand.c */ 846 #define RAND_MAX -1U 847 void srand(unsigned int seed); 848 unsigned int rand(void); 849 unsigned int rand_r(unsigned int *seedp); 850 851 /* 852 * STDIO based functions (can always be used) 853 */ 854 /* serial stuff */ 855 int serial_printf (const char *fmt, ...) 856 __attribute__ ((format (__printf__, 1, 2))); 857 /* stdin */ 858 int getc(void); 859 int tstc(void); 860 861 /* stdout */ 862 #if !defined(CONFIG_SPL_BUILD) || \ 863 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 864 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 865 defined(CONFIG_SPL_SERIAL_SUPPORT)) 866 void putc(const char c); 867 void puts(const char *s); 868 int printf(const char *fmt, ...) 869 __attribute__ ((format (__printf__, 1, 2))); 870 int vprintf(const char *fmt, va_list args); 871 #else 872 #define putc(...) do { } while (0) 873 #define puts(...) do { } while (0) 874 #define printf(...) do { } while (0) 875 #define vprintf(...) do { } while (0) 876 #endif 877 878 /* stderr */ 879 #define eputc(c) fputc(stderr, c) 880 #define eputs(s) fputs(stderr, s) 881 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 882 883 /* 884 * FILE based functions (can only be used AFTER relocation!) 885 */ 886 #define stdin 0 887 #define stdout 1 888 #define stderr 2 889 #define MAX_FILES 3 890 891 int fprintf(int file, const char *fmt, ...) 892 __attribute__ ((format (__printf__, 2, 3))); 893 void fputs(int file, const char *s); 894 void fputc(int file, const char c); 895 int ftstc(int file); 896 int fgetc(int file); 897 898 /* lib/gzip.c */ 899 int gzip(void *dst, unsigned long *lenp, 900 unsigned char *src, unsigned long srclen); 901 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 902 unsigned long srclen, int stoponerr, 903 int (*func)(unsigned long, unsigned long)); 904 905 /* lib/net_utils.c */ 906 #include <net.h> 907 static inline struct in_addr getenv_ip(char *var) 908 { 909 return string_to_ip(getenv(var)); 910 } 911 912 int pcmcia_init (void); 913 914 #ifdef CONFIG_STATUS_LED 915 # include <status_led.h> 916 #endif 917 918 #include <bootstage.h> 919 920 #ifdef CONFIG_SHOW_ACTIVITY 921 void show_activity(int arg); 922 #endif 923 924 /* Multicore arch functions */ 925 #ifdef CONFIG_MP 926 int cpu_status(int nr); 927 int cpu_reset(int nr); 928 int cpu_disable(int nr); 929 int cpu_release(int nr, int argc, char * const argv[]); 930 #endif 931 932 #else /* __ASSEMBLY__ */ 933 934 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 935 #define _AC(X, Y) X 936 937 #endif /* __ASSEMBLY__ */ 938 939 #ifdef CONFIG_PPC 940 /* 941 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 942 * Otherwise might lead to compilation errors in assembler files. 943 */ 944 #include <asm/cache.h> 945 #endif 946 947 /* Put only stuff here that the assembler can digest */ 948 949 /* Declare an unsigned long constant digestable both by C and an assembler. */ 950 #define UL(x) _AC(x, UL) 951 952 #ifdef CONFIG_POST 953 #define CONFIG_HAS_POST 954 #ifndef CONFIG_POST_ALT_LIST 955 #define CONFIG_POST_STD_LIST 956 #endif 957 #endif 958 959 #ifdef CONFIG_INIT_CRITICAL 960 #error CONFIG_INIT_CRITICAL is deprecated! 961 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 962 #endif 963 964 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 965 966 /* 967 * check_member() - Check the offset of a structure member 968 * 969 * @structure: Name of structure (e.g. global_data) 970 * @member: Name of member (e.g. baudrate) 971 * @offset: Expected offset in bytes 972 */ 973 #define check_member(structure, member, offset) _Static_assert( \ 974 offsetof(struct structure, member) == offset, \ 975 "`struct " #structure "` offset for `" #member "` is not " #offset) 976 977 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 978 #ifdef CONFIG_EFI_STUB 979 #define ll_boot_init() false 980 #else 981 #define ll_boot_init() true 982 #endif 983 984 /* Pull in stuff for the build system */ 985 #ifdef DO_DEPS_ONLY 986 # include <environment.h> 987 #endif 988 989 #endif /* __COMMON_H_ */ 990