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 #include <config.h> 19 #include <asm-offsets.h> 20 #include <linux/bitops.h> 21 #include <linux/types.h> 22 #include <linux/string.h> 23 #include <linux/stringify.h> 24 #include <asm/ptrace.h> 25 #include <stdarg.h> 26 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 27 #include <pci.h> 28 #endif 29 #if defined(CONFIG_8xx) 30 #include <asm/8xx_immap.h> 31 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 32 defined(CONFIG_MPC866) || \ 33 defined(CONFIG_MPC866P) 34 # define CONFIG_MPC866_FAMILY 1 35 #elif defined(CONFIG_MPC885) 36 # define CONFIG_MPC885_FAMILY 1 37 #endif 38 #if defined(CONFIG_MPC860) \ 39 || defined(CONFIG_MPC860T) \ 40 || defined(CONFIG_MPC866_FAMILY) \ 41 || defined(CONFIG_MPC885_FAMILY) 42 # define CONFIG_MPC86x 1 43 #endif 44 #elif defined(CONFIG_5xx) 45 #include <asm/5xx_immap.h> 46 #elif defined(CONFIG_MPC5xxx) 47 #include <mpc5xxx.h> 48 #elif defined(CONFIG_MPC512X) 49 #include <asm/immap_512x.h> 50 #elif defined(CONFIG_MPC8260) 51 #if defined(CONFIG_MPC8247) \ 52 || defined(CONFIG_MPC8272) 53 #define CONFIG_MPC8272_FAMILY 1 54 #endif 55 #include <asm/immap_8260.h> 56 #endif 57 #ifdef CONFIG_MPC86xx 58 #include <mpc86xx.h> 59 #include <asm/immap_86xx.h> 60 #endif 61 #ifdef CONFIG_MPC85xx 62 #include <mpc85xx.h> 63 #include <asm/immap_85xx.h> 64 #endif 65 #ifdef CONFIG_MPC83xx 66 #include <mpc83xx.h> 67 #include <asm/immap_83xx.h> 68 #endif 69 #ifdef CONFIG_4xx 70 #include <asm/ppc4xx.h> 71 #endif 72 #ifdef CONFIG_ARM 73 #define asmlinkage /* nothing */ 74 #endif 75 #ifdef CONFIG_BLACKFIN 76 #include <asm/blackfin.h> 77 #endif 78 #ifdef CONFIG_SOC_DA8XX 79 #include <asm/arch/hardware.h> 80 #endif 81 82 #include <part.h> 83 #include <flash.h> 84 #include <image.h> 85 86 /* Bring in printf format macros if inttypes.h is included */ 87 #define __STDC_FORMAT_MACROS 88 89 #ifdef __LP64__ 90 #define CONFIG_SYS_SUPPORT_64BIT_DATA 91 #endif 92 93 #ifdef DEBUG 94 #define _DEBUG 1 95 #else 96 #define _DEBUG 0 97 #endif 98 99 /* 100 * Output a debug text when condition "cond" is met. The "cond" should be 101 * computed by a preprocessor in the best case, allowing for the best 102 * optimization. 103 */ 104 #define debug_cond(cond, fmt, args...) \ 105 do { \ 106 if (cond) \ 107 printf(fmt, ##args); \ 108 } while (0) 109 110 #define debug(fmt, args...) \ 111 debug_cond(_DEBUG, fmt, ##args) 112 113 /* 114 * An assertion is run-time check done in debug mode only. If DEBUG is not 115 * defined then it is skipped. If DEBUG is defined and the assertion fails, 116 * then it calls panic*( which may or may not reset/halt U-Boot (see 117 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 118 * before release, and after release it is hoped that they don't matter. But 119 * in any case these failing assertions cannot be fixed with a reset (which 120 * may just do the same assertion again). 121 */ 122 void __assert_fail(const char *assertion, const char *file, unsigned line, 123 const char *function); 124 #define assert(x) \ 125 ({ if (!(x) && _DEBUG) \ 126 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 127 128 #define error(fmt, args...) do { \ 129 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 130 ##args, __FILE__, __LINE__, __func__); \ 131 } while (0) 132 133 #ifndef BUG 134 #define BUG() do { \ 135 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 136 panic("BUG!"); \ 137 } while (0) 138 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 139 #endif /* BUG */ 140 141 /* Force a compilation error if condition is true */ 142 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 143 144 typedef void (interrupt_handler_t)(void *); 145 146 #include <asm/u-boot.h> /* boot information for Linux kernel */ 147 #include <asm/global_data.h> /* global data used for startup functions */ 148 149 /* 150 * enable common handling for all TQM8xxL/M boards: 151 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 152 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 153 * and for the TQM885D board 154 */ 155 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 156 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 157 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 158 # ifndef CONFIG_TQM8xxM 159 # define CONFIG_TQM8xxM 160 # endif 161 #endif 162 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 163 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 164 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 165 defined(CONFIG_TQM885D) 166 # ifndef CONFIG_TQM8xxL 167 # define CONFIG_TQM8xxL 168 # endif 169 #endif 170 171 /* 172 * General Purpose Utilities 173 */ 174 #define min(X, Y) \ 175 ({ typeof(X) __x = (X); \ 176 typeof(Y) __y = (Y); \ 177 (__x < __y) ? __x : __y; }) 178 179 #define max(X, Y) \ 180 ({ typeof(X) __x = (X); \ 181 typeof(Y) __y = (Y); \ 182 (__x > __y) ? __x : __y; }) 183 184 #define min3(X, Y, Z) \ 185 ({ typeof(X) __x = (X); \ 186 typeof(Y) __y = (Y); \ 187 typeof(Z) __z = (Z); \ 188 __x < __y ? (__x < __z ? __x : __z) : \ 189 (__y < __z ? __y : __z); }) 190 191 #define max3(X, Y, Z) \ 192 ({ typeof(X) __x = (X); \ 193 typeof(Y) __y = (Y); \ 194 typeof(Z) __z = (Z); \ 195 __x > __y ? (__x > __z ? __x : __z) : \ 196 (__y > __z ? __y : __z); }) 197 198 /* 199 * Return the absolute value of a number. 200 * 201 * This handles unsigned and signed longs, ints, shorts and chars. For all 202 * input types abs() returns a signed long. 203 * 204 * For 64-bit types, use abs64() 205 */ 206 #define abs(x) ({ \ 207 long ret; \ 208 if (sizeof(x) == sizeof(long)) { \ 209 long __x = (x); \ 210 ret = (__x < 0) ? -__x : __x; \ 211 } else { \ 212 int __x = (x); \ 213 ret = (__x < 0) ? -__x : __x; \ 214 } \ 215 ret; \ 216 }) 217 218 #define abs64(x) ({ \ 219 s64 __x = (x); \ 220 (__x < 0) ? -__x : __x; \ 221 }) 222 223 #if defined(CONFIG_ENV_IS_EMBEDDED) 224 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 225 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 226 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 227 defined(CONFIG_ENV_IS_IN_NVRAM) 228 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 229 #else 230 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 231 #endif 232 233 /** 234 * container_of - cast a member of a structure out to the containing structure 235 * @ptr: the pointer to the member. 236 * @type: the type of the container struct this is embedded in. 237 * @member: the name of the member within the struct. 238 * 239 */ 240 #define container_of(ptr, type, member) ({ \ 241 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 242 (type *)( (char *)__mptr - offsetof(type,member) );}) 243 244 /* 245 * Function Prototypes 246 */ 247 248 void hang (void) __attribute__ ((noreturn)); 249 250 int timer_init(void); 251 int cpu_init(void); 252 253 /* */ 254 phys_size_t initdram (int); 255 int display_options (void); 256 257 /** 258 * print_size() - Print a size with a suffic 259 * 260 * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", 261 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string 262 * (like "\n") 263 * 264 * @size: Size to print 265 * @suffix String to print after the size 266 */ 267 void print_size(uint64_t size, const char *suffix); 268 269 int print_buffer(ulong addr, const void *data, uint width, uint count, 270 uint linelen); 271 272 /* common/main.c */ 273 void main_loop (void); 274 int run_command(const char *cmd, int flag); 275 int run_command_repeatable(const char *cmd, int flag); 276 277 /** 278 * Run a list of commands separated by ; or even \0 279 * 280 * Note that if 'len' is not -1, then the command does not need to be nul 281 * terminated, Memory will be allocated for the command in that case. 282 * 283 * @param cmd List of commands to run, each separated bu semicolon 284 * @param len Length of commands excluding terminator if known (-1 if not) 285 * @param flag Execution flags (CMD_FLAG_...) 286 * @return 0 on success, or != 0 on error. 287 */ 288 int run_command_list(const char *cmd, int len, int flag); 289 extern char console_buffer[]; 290 291 /* arch/$(ARCH)/lib/board.c */ 292 void board_init_f(ulong); 293 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 294 int checkboard (void); 295 int checkflash (void); 296 int checkdram (void); 297 int last_stage_init(void); 298 extern ulong monitor_flash_len; 299 int mac_read_from_eeprom(void); 300 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 301 int set_cpu_clk_info(void); 302 int mdm_init(void); 303 #if defined(CONFIG_DISPLAY_CPUINFO) 304 int print_cpuinfo(void); 305 #else 306 static inline int print_cpuinfo(void) 307 { 308 return 0; 309 } 310 #endif 311 int update_flash_size(int flash_size); 312 int arch_early_init_r(void); 313 314 /** 315 * Show the DRAM size in a board-specific way 316 * 317 * This is used by boards to display DRAM information in their own way. 318 * 319 * @param size Size of DRAM (which should be displayed along with other info) 320 */ 321 void board_show_dram(ulong size); 322 323 /** 324 * arch_fixup_fdt() - Write arch-specific information to fdt 325 * 326 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 327 * 328 * @blob: FDT blob to write to 329 * @return 0 if ok, or -ve FDT_ERR_... on failure 330 */ 331 int arch_fixup_fdt(void *blob); 332 333 /* common/flash.c */ 334 void flash_perror (int); 335 336 /* common/cmd_source.c */ 337 int source (ulong addr, const char *fit_uname); 338 339 extern ulong load_addr; /* Default Load Address */ 340 extern ulong save_addr; /* Default Save Address */ 341 extern ulong save_size; /* Default Save Size */ 342 343 /* common/cmd_doc.c */ 344 void doc_probe(unsigned long physadr); 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 void pciinfo (int, int); 432 433 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 434 int pci_pre_init (struct pci_controller *); 435 int is_pci_host (struct pci_controller *); 436 #endif 437 438 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 439 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 440 void pci_target_init (struct pci_controller *); 441 # endif 442 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 443 void pci_master_init (struct pci_controller *); 444 # endif 445 #if defined(CONFIG_440SPE) || \ 446 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 447 defined(CONFIG_405EX) 448 void pcie_setup_hoses(int busno); 449 #endif 450 #endif 451 452 int misc_init_f (void); 453 int misc_init_r (void); 454 455 /* common/exports.c */ 456 void jumptable_init(void); 457 458 /* common/kallsysm.c */ 459 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 460 461 /* api/api.c */ 462 void api_init (void); 463 464 /* common/memsize.c */ 465 long get_ram_size (long *, long); 466 phys_size_t get_effective_memsize(void); 467 468 /* $(BOARD)/$(BOARD).c */ 469 void reset_phy (void); 470 void fdc_hw_init (void); 471 472 /* $(BOARD)/eeprom.c */ 473 void eeprom_init (void); 474 #ifndef CONFIG_SPI 475 int eeprom_probe (unsigned dev_addr, unsigned offset); 476 #endif 477 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 478 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 479 #ifdef CONFIG_LWMON 480 extern uchar pic_read (uchar reg); 481 extern void pic_write (uchar reg, uchar val); 482 #endif 483 484 /* 485 * Set this up regardless of board 486 * type, to prevent errors. 487 */ 488 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 489 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 490 #else 491 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 492 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 493 #endif 494 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 495 496 #if defined(CONFIG_SPI) 497 extern void spi_init_f (void); 498 extern void spi_init_r (void); 499 extern ssize_t spi_read (uchar *, int, uchar *, int); 500 extern ssize_t spi_write (uchar *, int, uchar *, int); 501 #endif 502 503 #ifdef CONFIG_HERMES 504 /* $(BOARD)/hermes.c */ 505 void hermes_start_lxt980 (int speed); 506 #endif 507 508 #ifdef CONFIG_EVB64260 509 void evb64260_init(void); 510 void debug_led(int, int); 511 void display_mem_map(void); 512 void perform_soft_reset(void); 513 #endif 514 515 /* $(BOARD)/$(BOARD).c */ 516 int board_early_init_f (void); 517 int board_late_init (void); 518 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 519 int board_early_init_r (void); 520 void board_poweroff (void); 521 522 #if defined(CONFIG_SYS_DRAM_TEST) 523 int testdram(void); 524 #endif /* CONFIG_SYS_DRAM_TEST */ 525 526 /* $(CPU)/start.S */ 527 #if defined(CONFIG_5xx) || \ 528 defined(CONFIG_8xx) 529 uint get_immr (uint); 530 #endif 531 uint get_pir (void); 532 #if defined(CONFIG_MPC5xxx) 533 uint get_svr (void); 534 #endif 535 uint get_pvr (void); 536 uint get_svr (void); 537 uint rd_ic_cst (void); 538 void wr_ic_cst (uint); 539 void wr_ic_adr (uint); 540 uint rd_dc_cst (void); 541 void wr_dc_cst (uint); 542 void wr_dc_adr (uint); 543 int icache_status (void); 544 void icache_enable (void); 545 void icache_disable(void); 546 int dcache_status (void); 547 void dcache_enable (void); 548 void dcache_disable(void); 549 void mmu_disable(void); 550 #if defined(CONFIG_ARM) 551 void relocate_code(ulong); 552 #else 553 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 554 #endif 555 ulong get_endaddr (void); 556 void trap_init (ulong); 557 #if defined (CONFIG_4xx) || \ 558 defined (CONFIG_MPC5xxx) || \ 559 defined (CONFIG_74xx_7xx) || \ 560 defined (CONFIG_74x) || \ 561 defined (CONFIG_75x) || \ 562 defined (CONFIG_74xx) || \ 563 defined (CONFIG_MPC85xx) || \ 564 defined (CONFIG_MPC86xx) || \ 565 defined (CONFIG_MPC83xx) 566 unsigned char in8(unsigned int); 567 void out8(unsigned int, unsigned char); 568 unsigned short in16(unsigned int); 569 unsigned short in16r(unsigned int); 570 void out16(unsigned int, unsigned short value); 571 void out16r(unsigned int, unsigned short value); 572 unsigned long in32(unsigned int); 573 unsigned long in32r(unsigned int); 574 void out32(unsigned int, unsigned long value); 575 void out32r(unsigned int, unsigned long value); 576 void ppcDcbf(unsigned long value); 577 void ppcDcbi(unsigned long value); 578 void ppcSync(void); 579 void ppcDcbz(unsigned long value); 580 #endif 581 #if defined (CONFIG_MICROBLAZE) 582 unsigned short in16(unsigned int); 583 void out16(unsigned int, unsigned short value); 584 #endif 585 586 #if defined (CONFIG_MPC83xx) 587 void ppcDWload(unsigned int *addr, unsigned int *ret); 588 void ppcDWstore(unsigned int *addr, unsigned int *value); 589 void disable_addr_trans(void); 590 void enable_addr_trans(void); 591 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 592 void ddr_enable_ecc(unsigned int dram_size); 593 #endif 594 #endif 595 596 /* 597 * Return the current value of a monotonically increasing microsecond timer. 598 * Granularity may be larger than 1us if hardware does not support this. 599 */ 600 ulong timer_get_us(void); 601 602 /* $(CPU)/cpu.c */ 603 static inline int cpumask_next(int cpu, unsigned int mask) 604 { 605 for (cpu++; !((1 << cpu) & mask); cpu++) 606 ; 607 608 return cpu; 609 } 610 611 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 612 for (iter = 0, cpu = cpumask_next(-1, mask); \ 613 iter < num_cpus; \ 614 iter++, cpu = cpumask_next(cpu, mask)) \ 615 616 int cpu_numcores (void); 617 u32 cpu_mask (void); 618 int is_core_valid (unsigned int); 619 int probecpu (void); 620 int checkcpu (void); 621 int checkicache (void); 622 int checkdcache (void); 623 void upmconfig (unsigned int, unsigned int *, unsigned int); 624 ulong get_tbclk (void); 625 void reset_misc (void); 626 void reset_cpu (ulong addr); 627 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 628 void ft_cpu_setup(void *blob, bd_t *bd); 629 #ifdef CONFIG_PCI 630 void ft_pci_setup(void *blob, bd_t *bd); 631 #endif 632 #endif 633 634 void smp_set_core_boot_addr(unsigned long addr, int corenr); 635 void smp_kick_all_cpus(void); 636 637 /* $(CPU)/serial.c */ 638 int serial_init (void); 639 void serial_setbrg (void); 640 void serial_putc (const char); 641 void serial_putc_raw(const char); 642 void serial_puts (const char *); 643 int serial_getc (void); 644 int serial_tstc (void); 645 646 /* These versions take a stdio_dev pointer */ 647 struct stdio_dev; 648 int serial_stub_getc(struct stdio_dev *sdev); 649 int serial_stub_tstc(struct stdio_dev *sdev); 650 651 /* $(CPU)/speed.c */ 652 int get_clocks (void); 653 int get_clocks_866 (void); 654 int sdram_adjust_866 (void); 655 int adjust_sdram_tbs_8xx (void); 656 #if defined(CONFIG_MPC8260) 657 int prt_8260_clks (void); 658 #elif defined(CONFIG_MPC5xxx) 659 int prt_mpc5xxx_clks (void); 660 #endif 661 #ifdef CONFIG_4xx 662 ulong get_OPB_freq (void); 663 ulong get_PCI_freq (void); 664 #endif 665 #if defined(CONFIG_S3C24X0) || \ 666 defined(CONFIG_LH7A40X) || \ 667 defined(CONFIG_EP93XX) 668 ulong get_FCLK (void); 669 ulong get_HCLK (void); 670 ulong get_PCLK (void); 671 ulong get_UCLK (void); 672 #endif 673 #if defined(CONFIG_LH7A40X) 674 ulong get_PLLCLK (void); 675 #endif 676 #if defined(CONFIG_IMX) 677 ulong get_systemPLLCLK(void); 678 ulong get_FCLK(void); 679 ulong get_HCLK(void); 680 ulong get_BCLK(void); 681 ulong get_PERCLK1(void); 682 ulong get_PERCLK2(void); 683 ulong get_PERCLK3(void); 684 #endif 685 ulong get_bus_freq (ulong); 686 int get_serial_clock(void); 687 688 #if defined(CONFIG_MPC85xx) 689 typedef MPC85xx_SYS_INFO sys_info_t; 690 void get_sys_info ( sys_info_t * ); 691 # if defined(CONFIG_OF_LIBFDT) 692 void ft_fixup_cpu(void *, u64); 693 void ft_fixup_num_cores(void *); 694 # endif 695 #endif 696 #if defined(CONFIG_MPC86xx) 697 typedef MPC86xx_SYS_INFO sys_info_t; 698 void get_sys_info ( sys_info_t * ); 699 static inline ulong get_ddr_freq(ulong dummy) 700 { 701 return get_bus_freq(dummy); 702 } 703 #else 704 ulong get_ddr_freq(ulong); 705 #endif 706 707 #if defined(CONFIG_4xx) 708 # if defined(CONFIG_440) 709 # if defined(CONFIG_440SPE) 710 unsigned long determine_sysper(void); 711 unsigned long determine_pci_clock_per(void); 712 # endif 713 # endif 714 typedef PPC4xx_SYS_INFO sys_info_t; 715 int ppc440spe_revB(void); 716 void get_sys_info ( sys_info_t * ); 717 #endif 718 719 /* $(CPU)/cpu_init.c */ 720 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 721 void cpu_init_f (volatile immap_t *immr); 722 #endif 723 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 724 void cpu_init_f (void); 725 #endif 726 #ifdef CONFIG_MPC85xx 727 ulong cpu_init_f(void); 728 #endif 729 730 int cpu_init_r (void); 731 #if defined(CONFIG_MPC8260) 732 int prt_8260_rsr (void); 733 #elif defined(CONFIG_MPC83xx) 734 int prt_83xx_rsr (void); 735 #endif 736 737 /* $(CPU)/interrupts.c */ 738 int interrupt_init (void); 739 void timer_interrupt (struct pt_regs *); 740 void external_interrupt (struct pt_regs *); 741 void irq_install_handler(int, interrupt_handler_t *, void *); 742 void irq_free_handler (int); 743 void reset_timer (void); 744 ulong get_timer (ulong base); 745 746 /* Return value of monotonic microsecond timer */ 747 unsigned long timer_get_us(void); 748 749 void enable_interrupts (void); 750 int disable_interrupts (void); 751 752 /* $(CPU)/.../commproc.c */ 753 int dpram_init (void); 754 uint dpram_base(void); 755 uint dpram_base_align(uint align); 756 uint dpram_alloc(uint size); 757 uint dpram_alloc_align(uint size,uint align); 758 void bootcount_store (ulong); 759 ulong bootcount_load (void); 760 #define BOOTCOUNT_MAGIC 0xB001C041 761 762 /* $(CPU)/.../<eth> */ 763 void mii_init (void); 764 765 /* $(CPU)/.../lcd.c */ 766 ulong lcd_setmem (ulong); 767 768 /* $(CPU)/.../video.c */ 769 ulong video_setmem (ulong); 770 771 /* arch/$(ARCH)/lib/cache.c */ 772 void enable_caches(void); 773 void flush_cache (unsigned long, unsigned long); 774 void flush_dcache_all(void); 775 void flush_dcache_range(unsigned long start, unsigned long stop); 776 void invalidate_dcache_range(unsigned long start, unsigned long stop); 777 void invalidate_dcache_all(void); 778 void invalidate_icache_all(void); 779 780 /* arch/$(ARCH)/lib/ticks.S */ 781 uint64_t get_ticks(void); 782 void wait_ticks (unsigned long); 783 784 /* arch/$(ARCH)/lib/time.c */ 785 void __udelay (unsigned long); 786 ulong usec2ticks (unsigned long usec); 787 ulong ticks2usec (unsigned long ticks); 788 int init_timebase (void); 789 790 /* lib/gunzip.c */ 791 int gunzip(void *, int, unsigned char *, unsigned long *); 792 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 793 int stoponerr, int offset); 794 795 /* lib/qsort.c */ 796 void qsort(void *base, size_t nmemb, size_t size, 797 int(*compar)(const void *, const void *)); 798 int strcmp_compar(const void *, const void *); 799 800 /* lib/time.c */ 801 void udelay (unsigned long); 802 void mdelay(unsigned long); 803 804 /* lib/uuid.c */ 805 #include <uuid.h> 806 807 /* lib/vsprintf.c */ 808 #include <vsprintf.h> 809 810 /* lib/strmhz.c */ 811 char * strmhz(char *buf, unsigned long hz); 812 813 /* lib/crc32.c */ 814 #include <u-boot/crc.h> 815 816 /* lib/rand.c */ 817 #define RAND_MAX -1U 818 void srand(unsigned int seed); 819 unsigned int rand(void); 820 unsigned int rand_r(unsigned int *seedp); 821 822 /* common/console.c */ 823 int console_init_f(void); /* Before relocation; uses the serial stuff */ 824 int console_init_r(void); /* After relocation; uses the console stuff */ 825 int console_assign(int file, const char *devname); /* Assign the console */ 826 int ctrlc (void); 827 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 828 void clear_ctrlc (void); /* clear the Control-C condition */ 829 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 830 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 831 /* 832 * STDIO based functions (can always be used) 833 */ 834 /* serial stuff */ 835 int serial_printf (const char *fmt, ...) 836 __attribute__ ((format (__printf__, 1, 2))); 837 /* stdin */ 838 int getc(void); 839 int tstc(void); 840 841 /* stdout */ 842 void putc(const char c); 843 void puts(const char *s); 844 int printf(const char *fmt, ...) 845 __attribute__ ((format (__printf__, 1, 2))); 846 int vprintf(const char *fmt, va_list args); 847 848 /* stderr */ 849 #define eputc(c) fputc(stderr, c) 850 #define eputs(s) fputs(stderr, s) 851 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 852 853 /* 854 * FILE based functions (can only be used AFTER relocation!) 855 */ 856 #define stdin 0 857 #define stdout 1 858 #define stderr 2 859 #define MAX_FILES 3 860 861 int fprintf(int file, const char *fmt, ...) 862 __attribute__ ((format (__printf__, 2, 3))); 863 void fputs(int file, const char *s); 864 void fputc(int file, const char c); 865 int ftstc(int file); 866 int fgetc(int file); 867 868 /* lib/gzip.c */ 869 int gzip(void *dst, unsigned long *lenp, 870 unsigned char *src, unsigned long srclen); 871 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 872 unsigned long srclen, int stoponerr, 873 int (*func)(unsigned long, unsigned long)); 874 875 /* lib/net_utils.c */ 876 #include <net.h> 877 static inline IPaddr_t getenv_IPaddr(char *var) 878 { 879 return string_to_ip(getenv(var)); 880 } 881 882 /* 883 * CONSOLE multiplexing. 884 */ 885 #ifdef CONFIG_CONSOLE_MUX 886 #include <iomux.h> 887 #endif 888 889 int pcmcia_init (void); 890 891 #ifdef CONFIG_STATUS_LED 892 # include <status_led.h> 893 #endif 894 895 #include <bootstage.h> 896 897 #ifdef CONFIG_SHOW_ACTIVITY 898 void show_activity(int arg); 899 #endif 900 901 /* Multicore arch functions */ 902 #ifdef CONFIG_MP 903 int cpu_status(int nr); 904 int cpu_reset(int nr); 905 int cpu_disable(int nr); 906 int cpu_release(int nr, int argc, char * const argv[]); 907 #endif 908 909 /* Define a null map_sysmem() if the architecture doesn't use it */ 910 # ifndef CONFIG_ARCH_MAP_SYSMEM 911 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 912 { 913 return (void *)(uintptr_t)paddr; 914 } 915 916 static inline void unmap_sysmem(const void *vaddr) 917 { 918 } 919 920 static inline phys_addr_t map_to_sysmem(const void *ptr) 921 { 922 return (phys_addr_t)(uintptr_t)ptr; 923 } 924 # endif 925 926 #endif /* __ASSEMBLY__ */ 927 928 #ifdef CONFIG_PPC 929 /* 930 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 931 * Otherwise might lead to compilation errors in assembler files. 932 */ 933 #include <asm/cache.h> 934 #endif 935 936 /* Put only stuff here that the assembler can digest */ 937 938 #ifdef CONFIG_POST 939 #define CONFIG_HAS_POST 940 #ifndef CONFIG_POST_ALT_LIST 941 #define CONFIG_POST_STD_LIST 942 #endif 943 #endif 944 945 #ifdef CONFIG_INIT_CRITICAL 946 #error CONFIG_INIT_CRITICAL is deprecated! 947 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 948 #endif 949 950 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 951 952 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 953 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 954 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 955 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 956 957 /* 958 * Divide positive or negative dividend by positive divisor and round 959 * to closest integer. Result is undefined for negative divisors and 960 * for negative dividends if the divisor variable type is unsigned. 961 */ 962 #define DIV_ROUND_CLOSEST(x, divisor)( \ 963 { \ 964 typeof(x) __x = x; \ 965 typeof(divisor) __d = divisor; \ 966 (((typeof(x))-1) > 0 || \ 967 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 968 (((__x) + ((__d) / 2)) / (__d)) : \ 969 (((__x) - ((__d) / 2)) / (__d)); \ 970 } \ 971 ) 972 973 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 974 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 975 976 /* 977 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 978 * is used to align DMA buffers. 979 */ 980 #ifndef __ASSEMBLY__ 981 #include <asm/cache.h> 982 #endif 983 984 /* 985 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 986 * stack that meets the minimum architecture alignment requirements for DMA. 987 * Such a buffer is useful for DMA operations where flushing and invalidating 988 * the cache before and after a read and/or write operation is required for 989 * correct operations. 990 * 991 * When called the macro creates an array on the stack that is sized such 992 * that: 993 * 994 * 1) The beginning of the array can be advanced enough to be aligned. 995 * 996 * 2) The size of the aligned portion of the array is a multiple of the minimum 997 * architecture alignment required for DMA. 998 * 999 * 3) The aligned portion contains enough space for the original number of 1000 * elements requested. 1001 * 1002 * The macro then creates a pointer to the aligned portion of this array and 1003 * assigns to the pointer the address of the first element in the aligned 1004 * portion of the array. 1005 * 1006 * Calling the macro as: 1007 * 1008 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1009 * 1010 * Will result in something similar to saying: 1011 * 1012 * uint32_t buffer[1024]; 1013 * 1014 * The following differences exist: 1015 * 1016 * 1) The resulting buffer is guaranteed to be aligned to the value of 1017 * ARCH_DMA_MINALIGN. 1018 * 1019 * 2) The buffer variable created by the macro is a pointer to the specified 1020 * type, and NOT an array of the specified type. This can be very important 1021 * if you want the address of the buffer, which you probably do, to pass it 1022 * to the DMA hardware. The value of &buffer is different in the two cases. 1023 * In the macro case it will be the address of the pointer, not the address 1024 * of the space reserved for the buffer. However, in the second case it 1025 * would be the address of the buffer. So if you are replacing hard coded 1026 * stack buffers with this macro you need to make sure you remove the & from 1027 * the locations where you are taking the address of the buffer. 1028 * 1029 * Note that the size parameter is the number of array elements to allocate, 1030 * not the number of bytes. 1031 * 1032 * This macro can not be used outside of function scope, or for the creation 1033 * of a function scoped static buffer. It can not be used to create a cache 1034 * line aligned global buffer. 1035 */ 1036 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1037 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1038 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1039 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1040 + (align - 1)]; \ 1041 \ 1042 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1043 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1044 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1045 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1046 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1047 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1048 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1049 1050 /* 1051 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1052 * purpose is to allow allocating aligned buffers outside of function scope. 1053 * Usage of this macro shall be avoided or used with extreme care! 1054 */ 1055 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1056 static char __##name[roundup(size * sizeof(type), align)] \ 1057 __aligned(align); \ 1058 \ 1059 static type *name = (type *)__##name 1060 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1061 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1062 1063 /* Pull in stuff for the build system */ 1064 #ifdef DO_DEPS_ONLY 1065 # include <environment.h> 1066 #endif 1067 1068 #endif /* __COMMON_H_ */ 1069