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 void print_size(unsigned long long, const char *); 257 int print_buffer(ulong addr, const void *data, uint width, uint count, 258 uint linelen); 259 260 /* common/main.c */ 261 void main_loop (void); 262 int run_command(const char *cmd, int flag); 263 int run_command_repeatable(const char *cmd, int flag); 264 265 /** 266 * Run a list of commands separated by ; or even \0 267 * 268 * Note that if 'len' is not -1, then the command does not need to be nul 269 * terminated, Memory will be allocated for the command in that case. 270 * 271 * @param cmd List of commands to run, each separated bu semicolon 272 * @param len Length of commands excluding terminator if known (-1 if not) 273 * @param flag Execution flags (CMD_FLAG_...) 274 * @return 0 on success, or != 0 on error. 275 */ 276 int run_command_list(const char *cmd, int len, int flag); 277 extern char console_buffer[]; 278 279 /* arch/$(ARCH)/lib/board.c */ 280 void board_init_f(ulong); 281 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 282 int checkboard (void); 283 int checkflash (void); 284 int checkdram (void); 285 int last_stage_init(void); 286 extern ulong monitor_flash_len; 287 int mac_read_from_eeprom(void); 288 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 289 int set_cpu_clk_info(void); 290 int mdm_init(void); 291 #if defined(CONFIG_DISPLAY_CPUINFO) 292 int print_cpuinfo(void); 293 #else 294 static inline int print_cpuinfo(void) 295 { 296 return 0; 297 } 298 #endif 299 int update_flash_size(int flash_size); 300 int arch_early_init_r(void); 301 302 /** 303 * Show the DRAM size in a board-specific way 304 * 305 * This is used by boards to display DRAM information in their own way. 306 * 307 * @param size Size of DRAM (which should be displayed along with other info) 308 */ 309 void board_show_dram(ulong size); 310 311 /** 312 * arch_fixup_fdt() - Write arch-specific information to fdt 313 * 314 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 315 * 316 * @blob: FDT blob to write to 317 * @return 0 if ok, or -ve FDT_ERR_... on failure 318 */ 319 int arch_fixup_fdt(void *blob); 320 321 /* common/flash.c */ 322 void flash_perror (int); 323 324 /* common/cmd_source.c */ 325 int source (ulong addr, const char *fit_uname); 326 327 extern ulong load_addr; /* Default Load Address */ 328 extern ulong save_addr; /* Default Save Address */ 329 extern ulong save_size; /* Default Save Size */ 330 331 /* common/cmd_doc.c */ 332 void doc_probe(unsigned long physadr); 333 334 /* common/cmd_net.c */ 335 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 336 337 /* common/cmd_fat.c */ 338 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 339 340 /* common/cmd_ext2.c */ 341 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 342 343 /* common/cmd_nvedit.c */ 344 int env_init (void); 345 void env_relocate (void); 346 int envmatch (uchar *, int); 347 348 /* Avoid unfortunate conflict with libc's getenv() */ 349 #ifdef CONFIG_SANDBOX 350 #define getenv uboot_getenv 351 #endif 352 char *getenv (const char *); 353 int getenv_f (const char *name, char *buf, unsigned len); 354 ulong getenv_ulong(const char *name, int base, ulong default_val); 355 356 /** 357 * getenv_hex() - Return an environment variable as a hex value 358 * 359 * Decode an environment as a hex number (it may or may not have a 0x 360 * prefix). If the environment variable cannot be found, or does not start 361 * with hex digits, the default value is returned. 362 * 363 * @varname: Variable to decode 364 * @default_val: Value to return on error 365 */ 366 ulong getenv_hex(const char *varname, ulong default_val); 367 368 /* 369 * Read an environment variable as a boolean 370 * Return -1 if variable does not exist (default to true) 371 */ 372 int getenv_yesno(const char *var); 373 int saveenv (void); 374 int setenv (const char *, const char *); 375 int setenv_ulong(const char *varname, ulong value); 376 int setenv_hex(const char *varname, ulong value); 377 /** 378 * setenv_addr - Set an environment variable to an address in hex 379 * 380 * @varname: Environment variable to set 381 * @addr: Value to set it to 382 * @return 0 if ok, 1 on error 383 */ 384 static inline int setenv_addr(const char *varname, const void *addr) 385 { 386 return setenv_hex(varname, (ulong)addr); 387 } 388 389 #ifdef CONFIG_ARM 390 # include <asm/mach-types.h> 391 # include <asm/setup.h> 392 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 393 #endif /* CONFIG_ARM */ 394 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 395 # include <asm/u-boot-x86.h> 396 #endif /* CONFIG_X86 */ 397 #ifdef CONFIG_SANDBOX 398 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 399 #endif 400 #ifdef CONFIG_NDS32 401 # include <asm/mach-types.h> 402 # include <asm/setup.h> 403 # include <asm/u-boot-nds32.h> 404 #endif /* CONFIG_NDS32 */ 405 #ifdef CONFIG_MIPS 406 # include <asm/u-boot-mips.h> 407 #endif /* CONFIG_MIPS */ 408 #ifdef CONFIG_ARC 409 # include <asm/u-boot-arc.h> 410 #endif /* CONFIG_ARC */ 411 412 #ifdef CONFIG_AUTO_COMPLETE 413 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 414 #endif 415 int get_env_id (void); 416 417 void pci_init (void); 418 void pci_init_board(void); 419 void pciinfo (int, int); 420 421 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 422 int pci_pre_init (struct pci_controller *); 423 int is_pci_host (struct pci_controller *); 424 #endif 425 426 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 427 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 428 void pci_target_init (struct pci_controller *); 429 # endif 430 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 431 void pci_master_init (struct pci_controller *); 432 # endif 433 #if defined(CONFIG_440SPE) || \ 434 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 435 defined(CONFIG_405EX) 436 void pcie_setup_hoses(int busno); 437 #endif 438 #endif 439 440 int misc_init_f (void); 441 int misc_init_r (void); 442 443 /* common/exports.c */ 444 void jumptable_init(void); 445 446 /* common/kallsysm.c */ 447 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 448 449 /* api/api.c */ 450 void api_init (void); 451 452 /* common/memsize.c */ 453 long get_ram_size (long *, long); 454 phys_size_t get_effective_memsize(void); 455 456 /* $(BOARD)/$(BOARD).c */ 457 void reset_phy (void); 458 void fdc_hw_init (void); 459 460 /* $(BOARD)/eeprom.c */ 461 void eeprom_init (void); 462 #ifndef CONFIG_SPI 463 int eeprom_probe (unsigned dev_addr, unsigned offset); 464 #endif 465 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 466 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 467 #ifdef CONFIG_LWMON 468 extern uchar pic_read (uchar reg); 469 extern void pic_write (uchar reg, uchar val); 470 #endif 471 472 /* 473 * Set this up regardless of board 474 * type, to prevent errors. 475 */ 476 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 477 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 478 #else 479 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 480 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 481 #endif 482 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 483 484 #if defined(CONFIG_SPI) 485 extern void spi_init_f (void); 486 extern void spi_init_r (void); 487 extern ssize_t spi_read (uchar *, int, uchar *, int); 488 extern ssize_t spi_write (uchar *, int, uchar *, int); 489 #endif 490 491 #ifdef CONFIG_HERMES 492 /* $(BOARD)/hermes.c */ 493 void hermes_start_lxt980 (int speed); 494 #endif 495 496 #ifdef CONFIG_EVB64260 497 void evb64260_init(void); 498 void debug_led(int, int); 499 void display_mem_map(void); 500 void perform_soft_reset(void); 501 #endif 502 503 /* $(BOARD)/$(BOARD).c */ 504 int board_early_init_f (void); 505 int board_late_init (void); 506 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 507 int board_early_init_r (void); 508 void board_poweroff (void); 509 510 #if defined(CONFIG_SYS_DRAM_TEST) 511 int testdram(void); 512 #endif /* CONFIG_SYS_DRAM_TEST */ 513 514 /* $(CPU)/start.S */ 515 #if defined(CONFIG_5xx) || \ 516 defined(CONFIG_8xx) 517 uint get_immr (uint); 518 #endif 519 uint get_pir (void); 520 #if defined(CONFIG_MPC5xxx) 521 uint get_svr (void); 522 #endif 523 uint get_pvr (void); 524 uint get_svr (void); 525 uint rd_ic_cst (void); 526 void wr_ic_cst (uint); 527 void wr_ic_adr (uint); 528 uint rd_dc_cst (void); 529 void wr_dc_cst (uint); 530 void wr_dc_adr (uint); 531 int icache_status (void); 532 void icache_enable (void); 533 void icache_disable(void); 534 int dcache_status (void); 535 void dcache_enable (void); 536 void dcache_disable(void); 537 void mmu_disable(void); 538 #if defined(CONFIG_ARM) 539 void relocate_code(ulong); 540 #else 541 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 542 #endif 543 ulong get_endaddr (void); 544 void trap_init (ulong); 545 #if defined (CONFIG_4xx) || \ 546 defined (CONFIG_MPC5xxx) || \ 547 defined (CONFIG_74xx_7xx) || \ 548 defined (CONFIG_74x) || \ 549 defined (CONFIG_75x) || \ 550 defined (CONFIG_74xx) || \ 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 /* 585 * Return the current value of a monotonically increasing microsecond timer. 586 * Granularity may be larger than 1us if hardware does not support this. 587 */ 588 ulong timer_get_us(void); 589 590 /* $(CPU)/cpu.c */ 591 static inline int cpumask_next(int cpu, unsigned int mask) 592 { 593 for (cpu++; !((1 << cpu) & mask); cpu++) 594 ; 595 596 return cpu; 597 } 598 599 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 600 for (iter = 0, cpu = cpumask_next(-1, mask); \ 601 iter < num_cpus; \ 602 iter++, cpu = cpumask_next(cpu, mask)) \ 603 604 int cpu_numcores (void); 605 u32 cpu_mask (void); 606 int is_core_valid (unsigned int); 607 int probecpu (void); 608 int checkcpu (void); 609 int checkicache (void); 610 int checkdcache (void); 611 void upmconfig (unsigned int, unsigned int *, unsigned int); 612 ulong get_tbclk (void); 613 void reset_misc (void); 614 void reset_cpu (ulong addr); 615 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 616 void ft_cpu_setup(void *blob, bd_t *bd); 617 #ifdef CONFIG_PCI 618 void ft_pci_setup(void *blob, bd_t *bd); 619 #endif 620 #endif 621 622 void smp_set_core_boot_addr(unsigned long addr, int corenr); 623 void smp_kick_all_cpus(void); 624 625 /* $(CPU)/serial.c */ 626 int serial_init (void); 627 void serial_setbrg (void); 628 void serial_putc (const char); 629 void serial_putc_raw(const char); 630 void serial_puts (const char *); 631 int serial_getc (void); 632 int serial_tstc (void); 633 634 /* These versions take a stdio_dev pointer */ 635 struct stdio_dev; 636 int serial_stub_getc(struct stdio_dev *sdev); 637 int serial_stub_tstc(struct stdio_dev *sdev); 638 639 /* $(CPU)/speed.c */ 640 int get_clocks (void); 641 int get_clocks_866 (void); 642 int sdram_adjust_866 (void); 643 int adjust_sdram_tbs_8xx (void); 644 #if defined(CONFIG_MPC8260) 645 int prt_8260_clks (void); 646 #elif defined(CONFIG_MPC5xxx) 647 int prt_mpc5xxx_clks (void); 648 #endif 649 #ifdef CONFIG_4xx 650 ulong get_OPB_freq (void); 651 ulong get_PCI_freq (void); 652 #endif 653 #if defined(CONFIG_S3C24X0) || \ 654 defined(CONFIG_LH7A40X) || \ 655 defined(CONFIG_EP93XX) 656 ulong get_FCLK (void); 657 ulong get_HCLK (void); 658 ulong get_PCLK (void); 659 ulong get_UCLK (void); 660 #endif 661 #if defined(CONFIG_LH7A40X) 662 ulong get_PLLCLK (void); 663 #endif 664 #if defined(CONFIG_IMX) 665 ulong get_systemPLLCLK(void); 666 ulong get_FCLK(void); 667 ulong get_HCLK(void); 668 ulong get_BCLK(void); 669 ulong get_PERCLK1(void); 670 ulong get_PERCLK2(void); 671 ulong get_PERCLK3(void); 672 #endif 673 ulong get_bus_freq (ulong); 674 int get_serial_clock(void); 675 676 #if defined(CONFIG_MPC85xx) 677 typedef MPC85xx_SYS_INFO sys_info_t; 678 void get_sys_info ( sys_info_t * ); 679 # if defined(CONFIG_OF_LIBFDT) 680 void ft_fixup_cpu(void *, u64); 681 void ft_fixup_num_cores(void *); 682 # endif 683 #endif 684 #if defined(CONFIG_MPC86xx) 685 typedef MPC86xx_SYS_INFO sys_info_t; 686 void get_sys_info ( sys_info_t * ); 687 static inline ulong get_ddr_freq(ulong dummy) 688 { 689 return get_bus_freq(dummy); 690 } 691 #else 692 ulong get_ddr_freq(ulong); 693 #endif 694 695 #if defined(CONFIG_4xx) 696 # if defined(CONFIG_440) 697 # if defined(CONFIG_440SPE) 698 unsigned long determine_sysper(void); 699 unsigned long determine_pci_clock_per(void); 700 # endif 701 # endif 702 typedef PPC4xx_SYS_INFO sys_info_t; 703 int ppc440spe_revB(void); 704 void get_sys_info ( sys_info_t * ); 705 #endif 706 707 /* $(CPU)/cpu_init.c */ 708 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 709 void cpu_init_f (volatile immap_t *immr); 710 #endif 711 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 712 void cpu_init_f (void); 713 #endif 714 #ifdef CONFIG_MPC85xx 715 ulong cpu_init_f(void); 716 #endif 717 718 int cpu_init_r (void); 719 #if defined(CONFIG_MPC8260) 720 int prt_8260_rsr (void); 721 #elif defined(CONFIG_MPC83xx) 722 int prt_83xx_rsr (void); 723 #endif 724 725 /* $(CPU)/interrupts.c */ 726 int interrupt_init (void); 727 void timer_interrupt (struct pt_regs *); 728 void external_interrupt (struct pt_regs *); 729 void irq_install_handler(int, interrupt_handler_t *, void *); 730 void irq_free_handler (int); 731 void reset_timer (void); 732 ulong get_timer (ulong base); 733 734 /* Return value of monotonic microsecond timer */ 735 unsigned long timer_get_us(void); 736 737 void enable_interrupts (void); 738 int disable_interrupts (void); 739 740 /* $(CPU)/.../commproc.c */ 741 int dpram_init (void); 742 uint dpram_base(void); 743 uint dpram_base_align(uint align); 744 uint dpram_alloc(uint size); 745 uint dpram_alloc_align(uint size,uint align); 746 void bootcount_store (ulong); 747 ulong bootcount_load (void); 748 #define BOOTCOUNT_MAGIC 0xB001C041 749 750 /* $(CPU)/.../<eth> */ 751 void mii_init (void); 752 753 /* $(CPU)/.../lcd.c */ 754 ulong lcd_setmem (ulong); 755 756 /* $(CPU)/.../video.c */ 757 ulong video_setmem (ulong); 758 759 /* arch/$(ARCH)/lib/cache.c */ 760 void enable_caches(void); 761 void flush_cache (unsigned long, unsigned long); 762 void flush_dcache_all(void); 763 void flush_dcache_range(unsigned long start, unsigned long stop); 764 void invalidate_dcache_range(unsigned long start, unsigned long stop); 765 void invalidate_dcache_all(void); 766 void invalidate_icache_all(void); 767 768 /* arch/$(ARCH)/lib/ticks.S */ 769 unsigned long long get_ticks(void); 770 void wait_ticks (unsigned long); 771 772 /* arch/$(ARCH)/lib/time.c */ 773 void __udelay (unsigned long); 774 ulong usec2ticks (unsigned long usec); 775 ulong ticks2usec (unsigned long ticks); 776 int init_timebase (void); 777 778 /* lib/gunzip.c */ 779 int gunzip(void *, int, unsigned char *, unsigned long *); 780 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 781 int stoponerr, int offset); 782 783 /* lib/qsort.c */ 784 void qsort(void *base, size_t nmemb, size_t size, 785 int(*compar)(const void *, const void *)); 786 int strcmp_compar(const void *, const void *); 787 788 /* lib/time.c */ 789 void udelay (unsigned long); 790 void mdelay(unsigned long); 791 792 /* lib/uuid.c */ 793 #include <uuid.h> 794 795 /* lib/vsprintf.c */ 796 #include <vsprintf.h> 797 798 /* lib/strmhz.c */ 799 char * strmhz(char *buf, unsigned long hz); 800 801 /* lib/crc32.c */ 802 #include <u-boot/crc.h> 803 804 /* lib/rand.c */ 805 #define RAND_MAX -1U 806 void srand(unsigned int seed); 807 unsigned int rand(void); 808 unsigned int rand_r(unsigned int *seedp); 809 810 /* common/console.c */ 811 int console_init_f(void); /* Before relocation; uses the serial stuff */ 812 int console_init_r(void); /* After relocation; uses the console stuff */ 813 int console_assign(int file, const char *devname); /* Assign the console */ 814 int ctrlc (void); 815 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 816 void clear_ctrlc (void); /* clear the Control-C condition */ 817 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 818 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 819 /* 820 * STDIO based functions (can always be used) 821 */ 822 /* serial stuff */ 823 int serial_printf (const char *fmt, ...) 824 __attribute__ ((format (__printf__, 1, 2))); 825 /* stdin */ 826 int getc(void); 827 int tstc(void); 828 829 /* stdout */ 830 void putc(const char c); 831 void puts(const char *s); 832 int printf(const char *fmt, ...) 833 __attribute__ ((format (__printf__, 1, 2))); 834 int vprintf(const char *fmt, va_list args); 835 836 /* stderr */ 837 #define eputc(c) fputc(stderr, c) 838 #define eputs(s) fputs(stderr, s) 839 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 840 841 /* 842 * FILE based functions (can only be used AFTER relocation!) 843 */ 844 #define stdin 0 845 #define stdout 1 846 #define stderr 2 847 #define MAX_FILES 3 848 849 int fprintf(int file, const char *fmt, ...) 850 __attribute__ ((format (__printf__, 2, 3))); 851 void fputs(int file, const char *s); 852 void fputc(int file, const char c); 853 int ftstc(int file); 854 int fgetc(int file); 855 856 /* lib/gzip.c */ 857 int gzip(void *dst, unsigned long *lenp, 858 unsigned char *src, unsigned long srclen); 859 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 860 unsigned long srclen, int stoponerr, 861 int (*func)(unsigned long, unsigned long)); 862 863 /* lib/net_utils.c */ 864 #include <net.h> 865 static inline IPaddr_t getenv_IPaddr(char *var) 866 { 867 return string_to_ip(getenv(var)); 868 } 869 870 /* 871 * CONSOLE multiplexing. 872 */ 873 #ifdef CONFIG_CONSOLE_MUX 874 #include <iomux.h> 875 #endif 876 877 int pcmcia_init (void); 878 879 #ifdef CONFIG_STATUS_LED 880 # include <status_led.h> 881 #endif 882 883 #include <bootstage.h> 884 885 #ifdef CONFIG_SHOW_ACTIVITY 886 void show_activity(int arg); 887 #endif 888 889 /* Multicore arch functions */ 890 #ifdef CONFIG_MP 891 int cpu_status(int nr); 892 int cpu_reset(int nr); 893 int cpu_disable(int nr); 894 int cpu_release(int nr, int argc, char * const argv[]); 895 #endif 896 897 /* Define a null map_sysmem() if the architecture doesn't use it */ 898 # ifndef CONFIG_ARCH_MAP_SYSMEM 899 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 900 { 901 return (void *)(uintptr_t)paddr; 902 } 903 904 static inline void unmap_sysmem(const void *vaddr) 905 { 906 } 907 908 static inline phys_addr_t map_to_sysmem(const void *ptr) 909 { 910 return (phys_addr_t)(uintptr_t)ptr; 911 } 912 # endif 913 914 #endif /* __ASSEMBLY__ */ 915 916 #ifdef CONFIG_PPC 917 /* 918 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 919 * Otherwise might lead to compilation errors in assembler files. 920 */ 921 #include <asm/cache.h> 922 #endif 923 924 /* Put only stuff here that the assembler can digest */ 925 926 #ifdef CONFIG_POST 927 #define CONFIG_HAS_POST 928 #ifndef CONFIG_POST_ALT_LIST 929 #define CONFIG_POST_STD_LIST 930 #endif 931 #endif 932 933 #ifdef CONFIG_INIT_CRITICAL 934 #error CONFIG_INIT_CRITICAL is deprecated! 935 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 936 #endif 937 938 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 939 940 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 941 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 942 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 943 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 944 945 /* 946 * Divide positive or negative dividend by positive divisor and round 947 * to closest integer. Result is undefined for negative divisors and 948 * for negative dividends if the divisor variable type is unsigned. 949 */ 950 #define DIV_ROUND_CLOSEST(x, divisor)( \ 951 { \ 952 typeof(x) __x = x; \ 953 typeof(divisor) __d = divisor; \ 954 (((typeof(x))-1) > 0 || \ 955 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 956 (((__x) + ((__d) / 2)) / (__d)) : \ 957 (((__x) - ((__d) / 2)) / (__d)); \ 958 } \ 959 ) 960 961 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 962 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 963 964 /* 965 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 966 * is used to align DMA buffers. 967 */ 968 #ifndef __ASSEMBLY__ 969 #include <asm/cache.h> 970 #endif 971 972 /* 973 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 974 * stack that meets the minimum architecture alignment requirements for DMA. 975 * Such a buffer is useful for DMA operations where flushing and invalidating 976 * the cache before and after a read and/or write operation is required for 977 * correct operations. 978 * 979 * When called the macro creates an array on the stack that is sized such 980 * that: 981 * 982 * 1) The beginning of the array can be advanced enough to be aligned. 983 * 984 * 2) The size of the aligned portion of the array is a multiple of the minimum 985 * architecture alignment required for DMA. 986 * 987 * 3) The aligned portion contains enough space for the original number of 988 * elements requested. 989 * 990 * The macro then creates a pointer to the aligned portion of this array and 991 * assigns to the pointer the address of the first element in the aligned 992 * portion of the array. 993 * 994 * Calling the macro as: 995 * 996 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 997 * 998 * Will result in something similar to saying: 999 * 1000 * uint32_t buffer[1024]; 1001 * 1002 * The following differences exist: 1003 * 1004 * 1) The resulting buffer is guaranteed to be aligned to the value of 1005 * ARCH_DMA_MINALIGN. 1006 * 1007 * 2) The buffer variable created by the macro is a pointer to the specified 1008 * type, and NOT an array of the specified type. This can be very important 1009 * if you want the address of the buffer, which you probably do, to pass it 1010 * to the DMA hardware. The value of &buffer is different in the two cases. 1011 * In the macro case it will be the address of the pointer, not the address 1012 * of the space reserved for the buffer. However, in the second case it 1013 * would be the address of the buffer. So if you are replacing hard coded 1014 * stack buffers with this macro you need to make sure you remove the & from 1015 * the locations where you are taking the address of the buffer. 1016 * 1017 * Note that the size parameter is the number of array elements to allocate, 1018 * not the number of bytes. 1019 * 1020 * This macro can not be used outside of function scope, or for the creation 1021 * of a function scoped static buffer. It can not be used to create a cache 1022 * line aligned global buffer. 1023 */ 1024 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1025 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1026 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1027 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1028 + (align - 1)]; \ 1029 \ 1030 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1031 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1032 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1033 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1034 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1035 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1036 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1037 1038 /* 1039 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1040 * purpose is to allow allocating aligned buffers outside of function scope. 1041 * Usage of this macro shall be avoided or used with extreme care! 1042 */ 1043 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1044 static char __##name[roundup(size * sizeof(type), align)] \ 1045 __aligned(align); \ 1046 \ 1047 static type *name = (type *)__##name 1048 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1049 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1050 1051 /* Pull in stuff for the build system */ 1052 #ifdef DO_DEPS_ONLY 1053 # include <environment.h> 1054 #endif 1055 1056 #endif /* __COMMON_H_ */ 1057