1 /* 2 * (C) Copyright 2000-2009 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef __COMMON_H_ 25 #define __COMMON_H_ 1 26 27 #undef _LINUX_CONFIG_H 28 #define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */ 29 30 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 31 32 typedef unsigned char uchar; 33 typedef volatile unsigned long vu_long; 34 typedef volatile unsigned short vu_short; 35 typedef volatile unsigned char vu_char; 36 37 #include <config.h> 38 #include <asm-offsets.h> 39 #include <linux/bitops.h> 40 #include <linux/types.h> 41 #include <linux/string.h> 42 #include <linux/stringify.h> 43 #include <asm/ptrace.h> 44 #include <stdarg.h> 45 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 46 #include <pci.h> 47 #endif 48 #if defined(CONFIG_8xx) 49 #include <asm/8xx_immap.h> 50 #if defined(CONFIG_MPC852) || defined(CONFIG_MPC852T) || \ 51 defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 52 defined(CONFIG_MPC859DSL) || \ 53 defined(CONFIG_MPC866) || defined(CONFIG_MPC866T) || \ 54 defined(CONFIG_MPC866P) 55 # define CONFIG_MPC866_FAMILY 1 56 #elif defined(CONFIG_MPC870) \ 57 || defined(CONFIG_MPC875) \ 58 || defined(CONFIG_MPC880) \ 59 || defined(CONFIG_MPC885) 60 # define CONFIG_MPC885_FAMILY 1 61 #endif 62 #if defined(CONFIG_MPC860) \ 63 || defined(CONFIG_MPC860T) \ 64 || defined(CONFIG_MPC866_FAMILY) \ 65 || defined(CONFIG_MPC885_FAMILY) 66 # define CONFIG_MPC86x 1 67 #endif 68 #elif defined(CONFIG_5xx) 69 #include <asm/5xx_immap.h> 70 #elif defined(CONFIG_MPC5xxx) 71 #include <mpc5xxx.h> 72 #elif defined(CONFIG_MPC512X) 73 #include <asm/immap_512x.h> 74 #elif defined(CONFIG_MPC8220) 75 #include <asm/immap_8220.h> 76 #elif defined(CONFIG_8260) 77 #if defined(CONFIG_MPC8247) \ 78 || defined(CONFIG_MPC8248) \ 79 || defined(CONFIG_MPC8271) \ 80 || defined(CONFIG_MPC8272) 81 #define CONFIG_MPC8272_FAMILY 1 82 #endif 83 #if defined(CONFIG_MPC8272_FAMILY) 84 #define CONFIG_MPC8260 1 85 #endif 86 #include <asm/immap_8260.h> 87 #endif 88 #ifdef CONFIG_MPC86xx 89 #include <mpc86xx.h> 90 #include <asm/immap_86xx.h> 91 #endif 92 #ifdef CONFIG_MPC85xx 93 #include <mpc85xx.h> 94 #include <asm/immap_85xx.h> 95 #endif 96 #ifdef CONFIG_MPC83xx 97 #include <mpc83xx.h> 98 #include <asm/immap_83xx.h> 99 #endif 100 #ifdef CONFIG_4xx 101 #include <asm/ppc4xx.h> 102 #endif 103 #ifdef CONFIG_HYMOD 104 #include <board/hymod/hymod.h> 105 #endif 106 #ifdef CONFIG_ARM 107 #define asmlinkage /* nothing */ 108 #endif 109 #ifdef CONFIG_BLACKFIN 110 #include <asm/blackfin.h> 111 #endif 112 #ifdef CONFIG_SOC_DA8XX 113 #include <asm/arch/hardware.h> 114 #endif 115 116 #include <part.h> 117 #include <flash.h> 118 #include <image.h> 119 120 #ifdef DEBUG 121 #define _DEBUG 1 122 #else 123 #define _DEBUG 0 124 #endif 125 126 /* 127 * Output a debug text when condition "cond" is met. The "cond" should be 128 * computed by a preprocessor in the best case, allowing for the best 129 * optimization. 130 */ 131 #define debug_cond(cond, fmt, args...) \ 132 do { \ 133 if (cond) \ 134 printf(fmt, ##args); \ 135 } while (0) 136 137 #define debug(fmt, args...) \ 138 debug_cond(_DEBUG, fmt, ##args) 139 140 /* 141 * An assertion is run-time check done in debug mode only. If DEBUG is not 142 * defined then it is skipped. If DEBUG is defined and the assertion fails, 143 * then it calls panic*( which may or may not reset/halt U-Boot (see 144 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 145 * before release, and after release it is hoped that they don't matter. But 146 * in any case these failing assertions cannot be fixed with a reset (which 147 * may just do the same assertion again). 148 */ 149 void __assert_fail(const char *assertion, const char *file, unsigned line, 150 const char *function); 151 #define assert(x) \ 152 ({ if (!(x) && _DEBUG) \ 153 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 154 155 #define error(fmt, args...) do { \ 156 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 157 ##args, __FILE__, __LINE__, __func__); \ 158 } while (0) 159 160 #ifndef BUG 161 #define BUG() do { \ 162 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 163 panic("BUG!"); \ 164 } while (0) 165 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 166 #endif /* BUG */ 167 168 /* Force a compilation error if condition is true */ 169 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 170 171 typedef void (interrupt_handler_t)(void *); 172 173 #include <asm/u-boot.h> /* boot information for Linux kernel */ 174 #include <asm/global_data.h> /* global data used for startup functions */ 175 176 /* 177 * enable common handling for all TQM8xxL/M boards: 178 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 179 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 180 * and for the TQM885D board 181 */ 182 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 183 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 184 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 185 # ifndef CONFIG_TQM8xxM 186 # define CONFIG_TQM8xxM 187 # endif 188 #endif 189 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 190 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 191 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 192 defined(CONFIG_TQM885D) 193 # ifndef CONFIG_TQM8xxL 194 # define CONFIG_TQM8xxL 195 # endif 196 #endif 197 198 /* 199 * General Purpose Utilities 200 */ 201 #define min(X, Y) \ 202 ({ typeof (X) __x = (X); \ 203 typeof (Y) __y = (Y); \ 204 (__x < __y) ? __x : __y; }) 205 206 #define max(X, Y) \ 207 ({ typeof (X) __x = (X); \ 208 typeof (Y) __y = (Y); \ 209 (__x > __y) ? __x : __y; }) 210 211 #define MIN(x, y) min(x, y) 212 #define MAX(x, y) max(x, y) 213 214 /* 215 * Return the absolute value of a number. 216 * 217 * This handles unsigned and signed longs, ints, shorts and chars. For all 218 * input types abs() returns a signed long. 219 * 220 * For 64-bit types, use abs64() 221 */ 222 #define abs(x) ({ \ 223 long ret; \ 224 if (sizeof(x) == sizeof(long)) { \ 225 long __x = (x); \ 226 ret = (__x < 0) ? -__x : __x; \ 227 } else { \ 228 int __x = (x); \ 229 ret = (__x < 0) ? -__x : __x; \ 230 } \ 231 ret; \ 232 }) 233 234 #define abs64(x) ({ \ 235 s64 __x = (x); \ 236 (__x < 0) ? -__x : __x; \ 237 }) 238 239 #if defined(CONFIG_ENV_IS_EMBEDDED) 240 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 241 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 242 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 243 defined(CONFIG_ENV_IS_IN_NVRAM) 244 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 245 #else 246 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 247 #endif 248 249 /** 250 * container_of - cast a member of a structure out to the containing structure 251 * @ptr: the pointer to the member. 252 * @type: the type of the container struct this is embedded in. 253 * @member: the name of the member within the struct. 254 * 255 */ 256 #define container_of(ptr, type, member) ({ \ 257 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 258 (type *)( (char *)__mptr - offsetof(type,member) );}) 259 260 /* 261 * Function Prototypes 262 */ 263 264 void hang (void) __attribute__ ((noreturn)); 265 266 int timer_init(void); 267 int cpu_init(void); 268 269 /* */ 270 phys_size_t initdram (int); 271 int display_options (void); 272 void print_size(unsigned long long, const char *); 273 int print_buffer(ulong addr, const void *data, uint width, uint count, 274 uint linelen); 275 276 /* common/main.c */ 277 void main_loop (void); 278 int run_command(const char *cmd, int flag); 279 280 /** 281 * Run a list of commands separated by ; or even \0 282 * 283 * Note that if 'len' is not -1, then the command does not need to be nul 284 * terminated, Memory will be allocated for the command in that case. 285 * 286 * @param cmd List of commands to run, each separated bu semicolon 287 * @param len Length of commands excluding terminator if known (-1 if not) 288 * @param flag Execution flags (CMD_FLAG_...) 289 * @return 0 on success, or != 0 on error. 290 */ 291 int run_command_list(const char *cmd, int len, int flag); 292 int readline (const char *const prompt); 293 int readline_into_buffer(const char *const prompt, char *buffer, 294 int timeout); 295 int parse_line (char *, char *[]); 296 void init_cmd_timeout(void); 297 void reset_cmd_timeout(void); 298 #ifdef CONFIG_MENU 299 int abortboot(int bootdelay); 300 #endif 301 extern char console_buffer[]; 302 303 /* arch/$(ARCH)/lib/board.c */ 304 void board_init_f(ulong); 305 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 306 int checkboard (void); 307 int checkflash (void); 308 int checkdram (void); 309 int last_stage_init(void); 310 extern ulong monitor_flash_len; 311 int mac_read_from_eeprom(void); 312 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 313 int set_cpu_clk_info(void); 314 int print_cpuinfo(void); 315 int update_flash_size(int flash_size); 316 317 /** 318 * Show the DRAM size in a board-specific way 319 * 320 * This is used by boards to display DRAM information in their own way. 321 * 322 * @param size Size of DRAM (which should be displayed along with other info) 323 */ 324 void board_show_dram(ulong size); 325 326 /* common/flash.c */ 327 void flash_perror (int); 328 329 /* common/cmd_source.c */ 330 int source (ulong addr, const char *fit_uname); 331 332 extern ulong load_addr; /* Default Load Address */ 333 extern ulong save_addr; /* Default Save Address */ 334 extern ulong save_size; /* Default Save Size */ 335 336 /* common/cmd_doc.c */ 337 void doc_probe(unsigned long physadr); 338 339 /* common/cmd_net.c */ 340 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 341 342 /* common/cmd_fat.c */ 343 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 344 345 /* common/cmd_ext2.c */ 346 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 347 348 /* common/cmd_nvedit.c */ 349 int env_init (void); 350 void env_relocate (void); 351 int envmatch (uchar *, int); 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: Environmet 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/u-boot-nds32.h> 403 #endif /* CONFIG_NDS32 */ 404 #ifdef CONFIG_MIPS 405 # include <asm/u-boot-mips.h> 406 #endif /* CONFIG_MIPS */ 407 408 #ifdef CONFIG_AUTO_COMPLETE 409 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 410 #endif 411 int get_env_id (void); 412 413 void pci_init (void); 414 void pci_init_board(void); 415 void pciinfo (int, int); 416 417 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 418 int pci_pre_init (struct pci_controller *); 419 int is_pci_host (struct pci_controller *); 420 #endif 421 422 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 423 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 424 void pci_target_init (struct pci_controller *); 425 # endif 426 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 427 void pci_master_init (struct pci_controller *); 428 # endif 429 #if defined(CONFIG_440SPE) || \ 430 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 431 defined(CONFIG_405EX) 432 void pcie_setup_hoses(int busno); 433 #endif 434 #endif 435 436 int misc_init_f (void); 437 int misc_init_r (void); 438 439 /* common/exports.c */ 440 void jumptable_init(void); 441 442 /* common/kallsysm.c */ 443 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 444 445 /* api/api.c */ 446 void api_init (void); 447 448 /* common/memsize.c */ 449 long get_ram_size (long *, long); 450 451 /* $(BOARD)/$(BOARD).c */ 452 void reset_phy (void); 453 void fdc_hw_init (void); 454 455 /* $(BOARD)/eeprom.c */ 456 void eeprom_init (void); 457 #ifndef CONFIG_SPI 458 int eeprom_probe (unsigned dev_addr, unsigned offset); 459 #endif 460 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 461 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 462 #ifdef CONFIG_LWMON 463 extern uchar pic_read (uchar reg); 464 extern void pic_write (uchar reg, uchar val); 465 #endif 466 467 /* 468 * Set this up regardless of board 469 * type, to prevent errors. 470 */ 471 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 472 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 473 #else 474 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 475 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 476 #endif 477 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 478 479 #if defined(CONFIG_SPI) 480 extern void spi_init_f (void); 481 extern void spi_init_r (void); 482 extern ssize_t spi_read (uchar *, int, uchar *, int); 483 extern ssize_t spi_write (uchar *, int, uchar *, int); 484 #endif 485 486 #ifdef CONFIG_RPXCLASSIC 487 void rpxclassic_init (void); 488 #endif 489 490 void rpxlite_init (void); 491 492 #ifdef CONFIG_MBX 493 /* $(BOARD)/mbx8xx.c */ 494 void mbx_init (void); 495 void board_serial_init (void); 496 void board_ether_init (void); 497 #endif 498 499 #ifdef CONFIG_HERMES 500 /* $(BOARD)/hermes.c */ 501 void hermes_start_lxt980 (int speed); 502 #endif 503 504 #ifdef CONFIG_EVB64260 505 void evb64260_init(void); 506 void debug_led(int, int); 507 void display_mem_map(void); 508 void perform_soft_reset(void); 509 #endif 510 511 /* $(BOARD)/$(BOARD).c */ 512 int board_early_init_f (void); 513 int board_late_init (void); 514 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 515 int board_early_init_r (void); 516 void board_poweroff (void); 517 518 #if defined(CONFIG_SYS_DRAM_TEST) 519 int testdram(void); 520 #endif /* CONFIG_SYS_DRAM_TEST */ 521 522 /* $(CPU)/start.S */ 523 #if defined(CONFIG_5xx) || \ 524 defined(CONFIG_8xx) 525 uint get_immr (uint); 526 #endif 527 uint get_pir (void); 528 #if defined(CONFIG_MPC5xxx) 529 uint get_svr (void); 530 #endif 531 uint get_pvr (void); 532 uint get_svr (void); 533 uint rd_ic_cst (void); 534 void wr_ic_cst (uint); 535 void wr_ic_adr (uint); 536 uint rd_dc_cst (void); 537 void wr_dc_cst (uint); 538 void wr_dc_adr (uint); 539 int icache_status (void); 540 void icache_enable (void); 541 void icache_disable(void); 542 int dcache_status (void); 543 void dcache_enable (void); 544 void dcache_disable(void); 545 void mmu_disable(void); 546 #if defined(CONFIG_ARM) 547 void relocate_code(ulong); 548 #else 549 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 550 #endif 551 ulong get_endaddr (void); 552 void trap_init (ulong); 553 #if defined (CONFIG_4xx) || \ 554 defined (CONFIG_MPC5xxx) || \ 555 defined (CONFIG_74xx_7xx) || \ 556 defined (CONFIG_74x) || \ 557 defined (CONFIG_75x) || \ 558 defined (CONFIG_74xx) || \ 559 defined (CONFIG_MPC8220) || \ 560 defined (CONFIG_MPC85xx) || \ 561 defined (CONFIG_MPC86xx) || \ 562 defined (CONFIG_MPC83xx) 563 unsigned char in8(unsigned int); 564 void out8(unsigned int, unsigned char); 565 unsigned short in16(unsigned int); 566 unsigned short in16r(unsigned int); 567 void out16(unsigned int, unsigned short value); 568 void out16r(unsigned int, unsigned short value); 569 unsigned long in32(unsigned int); 570 unsigned long in32r(unsigned int); 571 void out32(unsigned int, unsigned long value); 572 void out32r(unsigned int, unsigned long value); 573 void ppcDcbf(unsigned long value); 574 void ppcDcbi(unsigned long value); 575 void ppcSync(void); 576 void ppcDcbz(unsigned long value); 577 #endif 578 #if defined (CONFIG_MICROBLAZE) 579 unsigned short in16(unsigned int); 580 void out16(unsigned int, unsigned short value); 581 #endif 582 583 #if defined (CONFIG_MPC83xx) 584 void ppcDWload(unsigned int *addr, unsigned int *ret); 585 void ppcDWstore(unsigned int *addr, unsigned int *value); 586 void disable_addr_trans(void); 587 void enable_addr_trans(void); 588 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 589 void ddr_enable_ecc(unsigned int dram_size); 590 #endif 591 #endif 592 593 /* $(CPU)/cpu.c */ 594 static inline int cpumask_next(int cpu, unsigned int mask) 595 { 596 for (cpu++; !((1 << cpu) & mask); cpu++) 597 ; 598 599 return cpu; 600 } 601 602 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 603 for (iter = 0, cpu = cpumask_next(-1, mask); \ 604 iter < num_cpus; \ 605 iter++, cpu = cpumask_next(cpu, mask)) \ 606 607 int cpu_numcores (void); 608 u32 cpu_mask (void); 609 int is_core_valid (unsigned int); 610 int probecpu (void); 611 int checkcpu (void); 612 int checkicache (void); 613 int checkdcache (void); 614 void upmconfig (unsigned int, unsigned int *, unsigned int); 615 ulong get_tbclk (void); 616 void reset_cpu (ulong addr); 617 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 618 void ft_cpu_setup(void *blob, bd_t *bd); 619 #ifdef CONFIG_PCI 620 void ft_pci_setup(void *blob, bd_t *bd); 621 #endif 622 #endif 623 624 625 /* $(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 void _serial_setbrg (const int); 635 void _serial_putc (const char, const int); 636 void _serial_putc_raw(const char, const int); 637 void _serial_puts (const char *, const int); 638 int _serial_getc (const int); 639 int _serial_tstc (const int); 640 641 /* $(CPU)/speed.c */ 642 int get_clocks (void); 643 int get_clocks_866 (void); 644 int sdram_adjust_866 (void); 645 int adjust_sdram_tbs_8xx (void); 646 #if defined(CONFIG_8260) 647 int prt_8260_clks (void); 648 #elif defined(CONFIG_MPC5xxx) 649 int prt_mpc5xxx_clks (void); 650 #endif 651 #if defined(CONFIG_MPC8220) 652 int prt_mpc8220_clks (void); 653 #endif 654 #ifdef CONFIG_4xx 655 ulong get_OPB_freq (void); 656 ulong get_PCI_freq (void); 657 #endif 658 #if defined(CONFIG_S3C24X0) || \ 659 defined(CONFIG_LH7A40X) || \ 660 defined(CONFIG_EP93XX) 661 ulong get_FCLK (void); 662 ulong get_HCLK (void); 663 ulong get_PCLK (void); 664 ulong get_UCLK (void); 665 #endif 666 #if defined(CONFIG_LH7A40X) 667 ulong get_PLLCLK (void); 668 #endif 669 #if defined CONFIG_INCA_IP 670 uint incaip_get_cpuclk (void); 671 #endif 672 #if defined(CONFIG_IMX) 673 ulong get_systemPLLCLK(void); 674 ulong get_FCLK(void); 675 ulong get_HCLK(void); 676 ulong get_BCLK(void); 677 ulong get_PERCLK1(void); 678 ulong get_PERCLK2(void); 679 ulong get_PERCLK3(void); 680 #endif 681 ulong get_bus_freq (ulong); 682 int get_serial_clock(void); 683 684 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 685 ulong get_ddr_freq(ulong); 686 #endif 687 #if defined(CONFIG_MPC85xx) 688 typedef MPC85xx_SYS_INFO sys_info_t; 689 void get_sys_info ( sys_info_t * ); 690 #endif 691 #if defined(CONFIG_MPC86xx) 692 typedef MPC86xx_SYS_INFO sys_info_t; 693 void get_sys_info ( sys_info_t * ); 694 static inline ulong get_ddr_freq(ulong dummy) 695 { 696 return get_bus_freq(dummy); 697 } 698 #endif 699 700 #if defined(CONFIG_4xx) 701 # if defined(CONFIG_440) 702 # if defined(CONFIG_440SPE) 703 unsigned long determine_sysper(void); 704 unsigned long determine_pci_clock_per(void); 705 # endif 706 # endif 707 typedef PPC4xx_SYS_INFO sys_info_t; 708 int ppc440spe_revB(void); 709 void get_sys_info ( sys_info_t * ); 710 #endif 711 712 /* $(CPU)/cpu_init.c */ 713 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 714 void cpu_init_f (volatile immap_t *immr); 715 #endif 716 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 717 void cpu_init_f (void); 718 #endif 719 720 int cpu_init_r (void); 721 #if defined(CONFIG_8260) 722 int prt_8260_rsr (void); 723 #elif defined(CONFIG_MPC83xx) 724 int prt_83xx_rsr (void); 725 #endif 726 727 /* $(CPU)/interrupts.c */ 728 int interrupt_init (void); 729 void timer_interrupt (struct pt_regs *); 730 void external_interrupt (struct pt_regs *); 731 void irq_install_handler(int, interrupt_handler_t *, void *); 732 void irq_free_handler (int); 733 void reset_timer (void); 734 ulong get_timer (ulong base); 735 void enable_interrupts (void); 736 int disable_interrupts (void); 737 738 /* $(CPU)/.../commproc.c */ 739 int dpram_init (void); 740 uint dpram_base(void); 741 uint dpram_base_align(uint align); 742 uint dpram_alloc(uint size); 743 uint dpram_alloc_align(uint size,uint align); 744 void bootcount_store (ulong); 745 ulong bootcount_load (void); 746 #define BOOTCOUNT_MAGIC 0xB001C041 747 748 /* $(CPU)/.../<eth> */ 749 void mii_init (void); 750 751 /* $(CPU)/.../lcd.c */ 752 ulong lcd_setmem (ulong); 753 754 /* $(CPU)/.../video.c */ 755 ulong video_setmem (ulong); 756 757 /* arch/$(ARCH)/lib/cache.c */ 758 void enable_caches(void); 759 void flush_cache (unsigned long, unsigned long); 760 void flush_dcache_all(void); 761 void flush_dcache_range(unsigned long start, unsigned long stop); 762 void invalidate_dcache_range(unsigned long start, unsigned long stop); 763 void invalidate_dcache_all(void); 764 void invalidate_icache_all(void); 765 766 /* arch/$(ARCH)/lib/ticks.S */ 767 unsigned long long get_ticks(void); 768 void wait_ticks (unsigned long); 769 770 /* arch/$(ARCH)/lib/time.c */ 771 void __udelay (unsigned long); 772 ulong usec2ticks (unsigned long usec); 773 ulong ticks2usec (unsigned long ticks); 774 int init_timebase (void); 775 776 /* lib/gunzip.c */ 777 int gunzip(void *, int, unsigned char *, unsigned long *); 778 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 779 int stoponerr, int offset); 780 781 /* lib/qsort.c */ 782 void qsort(void *base, size_t nmemb, size_t size, 783 int(*compar)(const void *, const void *)); 784 int strcmp_compar(const void *, const void *); 785 786 /* lib/time.c */ 787 void udelay (unsigned long); 788 void mdelay(unsigned long); 789 790 /* lib/uuid.c */ 791 void uuid_str_to_bin(const char *uuid, unsigned char *out); 792 int uuid_str_valid(const char *uuid); 793 794 /* lib/vsprintf.c */ 795 #include <vsprintf.h> 796 797 /* lib/strmhz.c */ 798 char * strmhz(char *buf, unsigned long hz); 799 800 /* lib/crc32.c */ 801 #include <u-boot/crc.h> 802 803 /* lib/rand.c */ 804 #if defined(CONFIG_RANDOM_MACADDR) || \ 805 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 806 defined(CONFIG_CMD_LINK_LOCAL) 807 #define RAND_MAX -1U 808 void srand(unsigned int seed); 809 unsigned int rand(void); 810 unsigned int rand_r(unsigned int *seedp); 811 #endif 812 813 /* common/console.c */ 814 int console_init_f(void); /* Before relocation; uses the serial stuff */ 815 int console_init_r(void); /* After relocation; uses the console stuff */ 816 int console_assign(int file, const char *devname); /* Assign the console */ 817 int ctrlc (void); 818 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 819 void clear_ctrlc (void); /* clear the Control-C condition */ 820 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 821 822 /* 823 * STDIO based functions (can always be used) 824 */ 825 /* serial stuff */ 826 int serial_printf (const char *fmt, ...) 827 __attribute__ ((format (__printf__, 1, 2))); 828 /* stdin */ 829 int getc(void); 830 int tstc(void); 831 832 /* stdout */ 833 void putc(const char c); 834 void puts(const char *s); 835 int printf(const char *fmt, ...) 836 __attribute__ ((format (__printf__, 1, 2))); 837 int vprintf(const char *fmt, va_list args); 838 839 /* stderr */ 840 #define eputc(c) fputc(stderr, c) 841 #define eputs(s) fputs(stderr, s) 842 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 843 844 /* 845 * FILE based functions (can only be used AFTER relocation!) 846 */ 847 #define stdin 0 848 #define stdout 1 849 #define stderr 2 850 #define MAX_FILES 3 851 852 int fprintf(int file, const char *fmt, ...) 853 __attribute__ ((format (__printf__, 2, 3))); 854 void fputs(int file, const char *s); 855 void fputc(int file, const char c); 856 int ftstc(int file); 857 int fgetc(int file); 858 859 /* lib/gzip.c */ 860 int gzip(void *dst, unsigned long *lenp, 861 unsigned char *src, unsigned long srclen); 862 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 863 unsigned long srclen, int stoponerr, 864 int (*func)(unsigned long, unsigned long)); 865 866 /* lib/net_utils.c */ 867 #include <net.h> 868 static inline IPaddr_t getenv_IPaddr(char *var) 869 { 870 return string_to_ip(getenv(var)); 871 } 872 873 /* 874 * CONSOLE multiplexing. 875 */ 876 #ifdef CONFIG_CONSOLE_MUX 877 #include <iomux.h> 878 #endif 879 880 int pcmcia_init (void); 881 882 #ifdef CONFIG_STATUS_LED 883 # include <status_led.h> 884 #endif 885 886 #include <bootstage.h> 887 888 #ifdef CONFIG_SHOW_ACTIVITY 889 void show_activity(int arg); 890 #endif 891 892 /* Multicore arch functions */ 893 #ifdef CONFIG_MP 894 int cpu_status(int nr); 895 int cpu_reset(int nr); 896 int cpu_disable(int nr); 897 int cpu_release(int nr, int argc, char * const argv[]); 898 #endif 899 900 /* Define a null map_sysmem() if the architecture doesn't use it */ 901 # ifndef CONFIG_ARCH_MAP_SYSMEM 902 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 903 { 904 return (void *)(uintptr_t)paddr; 905 } 906 907 static inline void unmap_sysmem(const void *vaddr) 908 { 909 } 910 911 static inline phys_addr_t map_to_sysmem(void *ptr) 912 { 913 return (phys_addr_t)(uintptr_t)ptr; 914 } 915 # endif 916 917 #endif /* __ASSEMBLY__ */ 918 919 #ifdef CONFIG_PPC 920 /* 921 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 922 * Otherwise might lead to compilation errors in assembler files. 923 */ 924 #include <asm/cache.h> 925 #endif 926 927 /* Put only stuff here that the assembler can digest */ 928 929 #ifdef CONFIG_POST 930 #define CONFIG_HAS_POST 931 #ifndef CONFIG_POST_ALT_LIST 932 #define CONFIG_POST_STD_LIST 933 #endif 934 #endif 935 936 #ifdef CONFIG_INIT_CRITICAL 937 #error CONFIG_INIT_CRITICAL is deprecated! 938 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 939 #endif 940 941 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 942 943 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 944 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 945 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 946 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 947 948 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 949 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 950 951 /* 952 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 953 * is used to align DMA buffers. 954 */ 955 #ifndef __ASSEMBLY__ 956 #include <asm/cache.h> 957 #endif 958 959 /* 960 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 961 * stack that meets the minimum architecture alignment requirements for DMA. 962 * Such a buffer is useful for DMA operations where flushing and invalidating 963 * the cache before and after a read and/or write operation is required for 964 * correct operations. 965 * 966 * When called the macro creates an array on the stack that is sized such 967 * that: 968 * 969 * 1) The beginning of the array can be advanced enough to be aligned. 970 * 971 * 2) The size of the aligned portion of the array is a multiple of the minimum 972 * architecture alignment required for DMA. 973 * 974 * 3) The aligned portion contains enough space for the original number of 975 * elements requested. 976 * 977 * The macro then creates a pointer to the aligned portion of this array and 978 * assigns to the pointer the address of the first element in the aligned 979 * portion of the array. 980 * 981 * Calling the macro as: 982 * 983 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 984 * 985 * Will result in something similar to saying: 986 * 987 * uint32_t buffer[1024]; 988 * 989 * The following differences exist: 990 * 991 * 1) The resulting buffer is guaranteed to be aligned to the value of 992 * ARCH_DMA_MINALIGN. 993 * 994 * 2) The buffer variable created by the macro is a pointer to the specified 995 * type, and NOT an array of the specified type. This can be very important 996 * if you want the address of the buffer, which you probably do, to pass it 997 * to the DMA hardware. The value of &buffer is different in the two cases. 998 * In the macro case it will be the address of the pointer, not the address 999 * of the space reserved for the buffer. However, in the second case it 1000 * would be the address of the buffer. So if you are replacing hard coded 1001 * stack buffers with this macro you need to make sure you remove the & from 1002 * the locations where you are taking the address of the buffer. 1003 * 1004 * Note that the size parameter is the number of array elements to allocate, 1005 * not the number of bytes. 1006 * 1007 * This macro can not be used outside of function scope, or for the creation 1008 * of a function scoped static buffer. It can not be used to create a cache 1009 * line aligned global buffer. 1010 */ 1011 #define PAD_COUNT(s, pad) ((s - 1) / pad + 1) 1012 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1013 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1014 char __##name[ROUND(PAD_SIZE(size * sizeof(type), pad), align) \ 1015 + (align - 1)]; \ 1016 \ 1017 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1018 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1019 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1020 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1021 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1022 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1023 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1024 1025 /* 1026 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1027 * purpose is to allow allocating aligned buffers outside of function scope. 1028 * Usage of this macro shall be avoided or used with extreme care! 1029 */ 1030 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1031 static char __##name[roundup(size * sizeof(type), align)] \ 1032 __aligned(align); \ 1033 \ 1034 static type *name = (type *)__##name 1035 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1036 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1037 1038 /* Pull in stuff for the build system */ 1039 #ifdef DO_DEPS_ONLY 1040 # include <environment.h> 1041 #endif 1042 1043 #endif /* __COMMON_H_ */ 1044