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); 314 315 /** 316 * Show the DRAM size in a board-specific way 317 * 318 * This is used by boards to display DRAM information in their own way. 319 * 320 * @param size Size of DRAM (which should be displayed along with other info) 321 */ 322 void board_show_dram(ulong size); 323 324 /* common/flash.c */ 325 void flash_perror (int); 326 327 /* common/cmd_source.c */ 328 int source (ulong addr, const char *fit_uname); 329 330 extern ulong load_addr; /* Default Load Address */ 331 extern ulong save_addr; /* Default Save Address */ 332 extern ulong save_size; /* Default Save Size */ 333 334 /* common/cmd_doc.c */ 335 void doc_probe(unsigned long physadr); 336 337 /* common/cmd_net.c */ 338 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 339 340 /* common/cmd_fat.c */ 341 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 342 343 /* common/cmd_ext2.c */ 344 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 345 346 /* common/cmd_nvedit.c */ 347 int env_init (void); 348 void env_relocate (void); 349 int envmatch (uchar *, int); 350 char *getenv (const char *); 351 int getenv_f (const char *name, char *buf, unsigned len); 352 ulong getenv_ulong(const char *name, int base, ulong default_val); 353 /* 354 * Read an environment variable as a boolean 355 * Return -1 if variable does not exist (default to true) 356 */ 357 int getenv_yesno(const char *var); 358 int saveenv (void); 359 int setenv (const char *, const char *); 360 int setenv_ulong(const char *varname, ulong value); 361 int setenv_hex(const char *varname, ulong value); 362 /** 363 * setenv_addr - Set an environment variable to an address in hex 364 * 365 * @varname: Environmet variable to set 366 * @addr: Value to set it to 367 * @return 0 if ok, 1 on error 368 */ 369 static inline int setenv_addr(const char *varname, const void *addr) 370 { 371 return setenv_hex(varname, (ulong)addr); 372 } 373 374 #ifdef CONFIG_ARM 375 # include <asm/mach-types.h> 376 # include <asm/setup.h> 377 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 378 #endif /* CONFIG_ARM */ 379 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 380 # include <asm/u-boot-x86.h> 381 #endif /* CONFIG_X86 */ 382 #ifdef CONFIG_SANDBOX 383 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 384 #endif 385 #ifdef CONFIG_NDS32 386 # include <asm/mach-types.h> 387 # include <asm/u-boot-nds32.h> 388 #endif /* CONFIG_NDS32 */ 389 #ifdef CONFIG_MIPS 390 # include <asm/u-boot-mips.h> 391 #endif /* CONFIG_MIPS */ 392 393 #ifdef CONFIG_AUTO_COMPLETE 394 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 395 #endif 396 int get_env_id (void); 397 398 void pci_init (void); 399 void pci_init_board(void); 400 void pciinfo (int, int); 401 402 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 403 int pci_pre_init (struct pci_controller *); 404 int is_pci_host (struct pci_controller *); 405 #endif 406 407 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 408 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 409 void pci_target_init (struct pci_controller *); 410 # endif 411 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 412 void pci_master_init (struct pci_controller *); 413 # endif 414 #if defined(CONFIG_440SPE) || \ 415 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 416 defined(CONFIG_405EX) 417 void pcie_setup_hoses(int busno); 418 #endif 419 #endif 420 421 int misc_init_f (void); 422 int misc_init_r (void); 423 424 /* common/exports.c */ 425 void jumptable_init(void); 426 427 /* common/kallsysm.c */ 428 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 429 430 /* api/api.c */ 431 void api_init (void); 432 433 /* common/memsize.c */ 434 long get_ram_size (long *, long); 435 436 /* $(BOARD)/$(BOARD).c */ 437 void reset_phy (void); 438 void fdc_hw_init (void); 439 440 /* $(BOARD)/eeprom.c */ 441 void eeprom_init (void); 442 #ifndef CONFIG_SPI 443 int eeprom_probe (unsigned dev_addr, unsigned offset); 444 #endif 445 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 446 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 447 #ifdef CONFIG_LWMON 448 extern uchar pic_read (uchar reg); 449 extern void pic_write (uchar reg, uchar val); 450 #endif 451 452 /* 453 * Set this up regardless of board 454 * type, to prevent errors. 455 */ 456 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 457 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 458 #else 459 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 460 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 461 #endif 462 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 463 464 #if defined(CONFIG_SPI) 465 extern void spi_init_f (void); 466 extern void spi_init_r (void); 467 extern ssize_t spi_read (uchar *, int, uchar *, int); 468 extern ssize_t spi_write (uchar *, int, uchar *, int); 469 #endif 470 471 #ifdef CONFIG_RPXCLASSIC 472 void rpxclassic_init (void); 473 #endif 474 475 void rpxlite_init (void); 476 477 #ifdef CONFIG_MBX 478 /* $(BOARD)/mbx8xx.c */ 479 void mbx_init (void); 480 void board_serial_init (void); 481 void board_ether_init (void); 482 #endif 483 484 #ifdef CONFIG_HERMES 485 /* $(BOARD)/hermes.c */ 486 void hermes_start_lxt980 (int speed); 487 #endif 488 489 #ifdef CONFIG_EVB64260 490 void evb64260_init(void); 491 void debug_led(int, int); 492 void display_mem_map(void); 493 void perform_soft_reset(void); 494 #endif 495 496 /* $(BOARD)/$(BOARD).c */ 497 int board_early_init_f (void); 498 int board_late_init (void); 499 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 500 int board_early_init_r (void); 501 void board_poweroff (void); 502 503 #if defined(CONFIG_SYS_DRAM_TEST) 504 int testdram(void); 505 #endif /* CONFIG_SYS_DRAM_TEST */ 506 507 /* $(CPU)/start.S */ 508 #if defined(CONFIG_5xx) || \ 509 defined(CONFIG_8xx) 510 uint get_immr (uint); 511 #endif 512 uint get_pir (void); 513 #if defined(CONFIG_MPC5xxx) 514 uint get_svr (void); 515 #endif 516 uint get_pvr (void); 517 uint get_svr (void); 518 uint rd_ic_cst (void); 519 void wr_ic_cst (uint); 520 void wr_ic_adr (uint); 521 uint rd_dc_cst (void); 522 void wr_dc_cst (uint); 523 void wr_dc_adr (uint); 524 int icache_status (void); 525 void icache_enable (void); 526 void icache_disable(void); 527 int dcache_status (void); 528 void dcache_enable (void); 529 void dcache_disable(void); 530 void mmu_disable(void); 531 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); 532 ulong get_endaddr (void); 533 void trap_init (ulong); 534 #if defined (CONFIG_4xx) || \ 535 defined (CONFIG_MPC5xxx) || \ 536 defined (CONFIG_74xx_7xx) || \ 537 defined (CONFIG_74x) || \ 538 defined (CONFIG_75x) || \ 539 defined (CONFIG_74xx) || \ 540 defined (CONFIG_MPC8220) || \ 541 defined (CONFIG_MPC85xx) || \ 542 defined (CONFIG_MPC86xx) || \ 543 defined (CONFIG_MPC83xx) 544 unsigned char in8(unsigned int); 545 void out8(unsigned int, unsigned char); 546 unsigned short in16(unsigned int); 547 unsigned short in16r(unsigned int); 548 void out16(unsigned int, unsigned short value); 549 void out16r(unsigned int, unsigned short value); 550 unsigned long in32(unsigned int); 551 unsigned long in32r(unsigned int); 552 void out32(unsigned int, unsigned long value); 553 void out32r(unsigned int, unsigned long value); 554 void ppcDcbf(unsigned long value); 555 void ppcDcbi(unsigned long value); 556 void ppcSync(void); 557 void ppcDcbz(unsigned long value); 558 #endif 559 #if defined (CONFIG_MICROBLAZE) 560 unsigned short in16(unsigned int); 561 void out16(unsigned int, unsigned short value); 562 #endif 563 564 #if defined (CONFIG_MPC83xx) 565 void ppcDWload(unsigned int *addr, unsigned int *ret); 566 void ppcDWstore(unsigned int *addr, unsigned int *value); 567 void disable_addr_trans(void); 568 void enable_addr_trans(void); 569 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 570 void ddr_enable_ecc(unsigned int dram_size); 571 #endif 572 #endif 573 574 /* $(CPU)/cpu.c */ 575 static inline int cpumask_next(int cpu, unsigned int mask) 576 { 577 for (cpu++; !((1 << cpu) & mask); cpu++) 578 ; 579 580 return cpu; 581 } 582 583 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 584 for (iter = 0, cpu = cpumask_next(-1, mask); \ 585 iter < num_cpus; \ 586 iter++, cpu = cpumask_next(cpu, mask)) \ 587 588 int cpu_numcores (void); 589 u32 cpu_mask (void); 590 int is_core_valid (unsigned int); 591 int probecpu (void); 592 int checkcpu (void); 593 int checkicache (void); 594 int checkdcache (void); 595 void upmconfig (unsigned int, unsigned int *, unsigned int); 596 ulong get_tbclk (void); 597 void reset_cpu (ulong addr); 598 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 599 void ft_cpu_setup(void *blob, bd_t *bd); 600 #ifdef CONFIG_PCI 601 void ft_pci_setup(void *blob, bd_t *bd); 602 #endif 603 #endif 604 605 606 /* $(CPU)/serial.c */ 607 int serial_init (void); 608 void serial_setbrg (void); 609 void serial_putc (const char); 610 void serial_putc_raw(const char); 611 void serial_puts (const char *); 612 int serial_getc (void); 613 int serial_tstc (void); 614 615 void _serial_setbrg (const int); 616 void _serial_putc (const char, const int); 617 void _serial_putc_raw(const char, const int); 618 void _serial_puts (const char *, const int); 619 int _serial_getc (const int); 620 int _serial_tstc (const int); 621 622 /* $(CPU)/speed.c */ 623 int get_clocks (void); 624 int get_clocks_866 (void); 625 int sdram_adjust_866 (void); 626 int adjust_sdram_tbs_8xx (void); 627 #if defined(CONFIG_8260) 628 int prt_8260_clks (void); 629 #elif defined(CONFIG_MPC5xxx) 630 int prt_mpc5xxx_clks (void); 631 #endif 632 #if defined(CONFIG_MPC512X) 633 int prt_mpc512xxx_clks (void); 634 #endif 635 #if defined(CONFIG_MPC8220) 636 int prt_mpc8220_clks (void); 637 #endif 638 #ifdef CONFIG_4xx 639 ulong get_OPB_freq (void); 640 ulong get_PCI_freq (void); 641 #endif 642 #if defined(CONFIG_S3C24X0) || \ 643 defined(CONFIG_LH7A40X) || \ 644 defined(CONFIG_S3C6400) || \ 645 defined(CONFIG_EP93XX) 646 ulong get_FCLK (void); 647 ulong get_HCLK (void); 648 ulong get_PCLK (void); 649 ulong get_UCLK (void); 650 #endif 651 #if defined(CONFIG_LH7A40X) 652 ulong get_PLLCLK (void); 653 #endif 654 #if defined CONFIG_INCA_IP 655 uint incaip_get_cpuclk (void); 656 #endif 657 #if defined(CONFIG_IMX) 658 ulong get_systemPLLCLK(void); 659 ulong get_FCLK(void); 660 ulong get_HCLK(void); 661 ulong get_BCLK(void); 662 ulong get_PERCLK1(void); 663 ulong get_PERCLK2(void); 664 ulong get_PERCLK3(void); 665 #endif 666 ulong get_bus_freq (ulong); 667 int get_serial_clock(void); 668 669 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 670 ulong get_ddr_freq(ulong); 671 #endif 672 #if defined(CONFIG_MPC85xx) 673 typedef MPC85xx_SYS_INFO sys_info_t; 674 void get_sys_info ( sys_info_t * ); 675 #endif 676 #if defined(CONFIG_MPC86xx) 677 typedef MPC86xx_SYS_INFO sys_info_t; 678 void get_sys_info ( sys_info_t * ); 679 static inline ulong get_ddr_freq(ulong dummy) 680 { 681 return get_bus_freq(dummy); 682 } 683 #endif 684 685 #if defined(CONFIG_4xx) 686 # if defined(CONFIG_440) 687 # if defined(CONFIG_440SPE) 688 unsigned long determine_sysper(void); 689 unsigned long determine_pci_clock_per(void); 690 # endif 691 # endif 692 typedef PPC4xx_SYS_INFO sys_info_t; 693 int ppc440spe_revB(void); 694 void get_sys_info ( sys_info_t * ); 695 #endif 696 697 /* $(CPU)/cpu_init.c */ 698 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 699 void cpu_init_f (volatile immap_t *immr); 700 #endif 701 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 702 void cpu_init_f (void); 703 #endif 704 705 int cpu_init_r (void); 706 #if defined(CONFIG_8260) 707 int prt_8260_rsr (void); 708 #elif defined(CONFIG_MPC83xx) 709 int prt_83xx_rsr (void); 710 #endif 711 712 /* $(CPU)/interrupts.c */ 713 int interrupt_init (void); 714 void timer_interrupt (struct pt_regs *); 715 void external_interrupt (struct pt_regs *); 716 void irq_install_handler(int, interrupt_handler_t *, void *); 717 void irq_free_handler (int); 718 void reset_timer (void); 719 ulong get_timer (ulong base); 720 void enable_interrupts (void); 721 int disable_interrupts (void); 722 723 /* $(CPU)/.../commproc.c */ 724 int dpram_init (void); 725 uint dpram_base(void); 726 uint dpram_base_align(uint align); 727 uint dpram_alloc(uint size); 728 uint dpram_alloc_align(uint size,uint align); 729 void bootcount_store (ulong); 730 ulong bootcount_load (void); 731 #define BOOTCOUNT_MAGIC 0xB001C041 732 733 /* $(CPU)/.../<eth> */ 734 void mii_init (void); 735 736 /* $(CPU)/.../lcd.c */ 737 ulong lcd_setmem (ulong); 738 739 /* $(CPU)/.../video.c */ 740 ulong video_setmem (ulong); 741 742 /* arch/$(ARCH)/lib/cache.c */ 743 void enable_caches(void); 744 void flush_cache (unsigned long, unsigned long); 745 void flush_dcache_all(void); 746 void flush_dcache_range(unsigned long start, unsigned long stop); 747 void invalidate_dcache_range(unsigned long start, unsigned long stop); 748 void invalidate_dcache_all(void); 749 void invalidate_icache_all(void); 750 751 /* arch/$(ARCH)/lib/ticks.S */ 752 unsigned long long get_ticks(void); 753 void wait_ticks (unsigned long); 754 755 /* arch/$(ARCH)/lib/time.c */ 756 void __udelay (unsigned long); 757 ulong usec2ticks (unsigned long usec); 758 ulong ticks2usec (unsigned long ticks); 759 int init_timebase (void); 760 761 /* lib/gunzip.c */ 762 int gunzip(void *, int, unsigned char *, unsigned long *); 763 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 764 int stoponerr, int offset); 765 766 /* lib/qsort.c */ 767 void qsort(void *base, size_t nmemb, size_t size, 768 int(*compar)(const void *, const void *)); 769 int strcmp_compar(const void *, const void *); 770 771 /* lib/time.c */ 772 void udelay (unsigned long); 773 void mdelay(unsigned long); 774 775 /* lib/uuid.c */ 776 void uuid_str_to_bin(const char *uuid, unsigned char *out); 777 int uuid_str_valid(const char *uuid); 778 779 /* lib/vsprintf.c */ 780 #include <vsprintf.h> 781 782 /* lib/strmhz.c */ 783 char * strmhz(char *buf, unsigned long hz); 784 785 /* lib/crc32.c */ 786 #include <u-boot/crc.h> 787 788 /* lib/rand.c */ 789 #if defined(CONFIG_RANDOM_MACADDR) || \ 790 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 791 defined(CONFIG_CMD_LINK_LOCAL) 792 #define RAND_MAX -1U 793 void srand(unsigned int seed); 794 unsigned int rand(void); 795 unsigned int rand_r(unsigned int *seedp); 796 #endif 797 798 /* common/console.c */ 799 int console_init_f(void); /* Before relocation; uses the serial stuff */ 800 int console_init_r(void); /* After relocation; uses the console stuff */ 801 int console_assign(int file, const char *devname); /* Assign the console */ 802 int ctrlc (void); 803 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 804 void clear_ctrlc (void); /* clear the Control-C condition */ 805 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 806 807 /* 808 * STDIO based functions (can always be used) 809 */ 810 /* serial stuff */ 811 int serial_printf (const char *fmt, ...) 812 __attribute__ ((format (__printf__, 1, 2))); 813 /* stdin */ 814 int getc(void); 815 int tstc(void); 816 817 /* stdout */ 818 void putc(const char c); 819 void puts(const char *s); 820 int printf(const char *fmt, ...) 821 __attribute__ ((format (__printf__, 1, 2))); 822 int vprintf(const char *fmt, va_list args); 823 824 /* stderr */ 825 #define eputc(c) fputc(stderr, c) 826 #define eputs(s) fputs(stderr, s) 827 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 828 829 /* 830 * FILE based functions (can only be used AFTER relocation!) 831 */ 832 #define stdin 0 833 #define stdout 1 834 #define stderr 2 835 #define MAX_FILES 3 836 837 int fprintf(int file, const char *fmt, ...) 838 __attribute__ ((format (__printf__, 2, 3))); 839 void fputs(int file, const char *s); 840 void fputc(int file, const char c); 841 int ftstc(int file); 842 int fgetc(int file); 843 844 /* lib/gzip.c */ 845 int gzip(void *dst, unsigned long *lenp, 846 unsigned char *src, unsigned long srclen); 847 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 848 unsigned long srclen, int stoponerr, 849 int (*func)(unsigned long, unsigned long)); 850 851 /* lib/net_utils.c */ 852 #include <net.h> 853 static inline IPaddr_t getenv_IPaddr(char *var) 854 { 855 return string_to_ip(getenv(var)); 856 } 857 858 /* 859 * CONSOLE multiplexing. 860 */ 861 #ifdef CONFIG_CONSOLE_MUX 862 #include <iomux.h> 863 #endif 864 865 int pcmcia_init (void); 866 867 #ifdef CONFIG_STATUS_LED 868 # include <status_led.h> 869 #endif 870 871 #include <bootstage.h> 872 873 #ifdef CONFIG_SHOW_ACTIVITY 874 void show_activity(int arg); 875 #endif 876 877 /* Multicore arch functions */ 878 #ifdef CONFIG_MP 879 int cpu_status(int nr); 880 int cpu_reset(int nr); 881 int cpu_disable(int nr); 882 int cpu_release(int nr, int argc, char * const argv[]); 883 #endif 884 885 /* Define a null map_sysmem() if the architecture doesn't use it */ 886 # ifndef CONFIG_ARCH_MAP_SYSMEM 887 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 888 { 889 return (void *)(uintptr_t)paddr; 890 } 891 892 static inline void unmap_sysmem(const void *vaddr) 893 { 894 } 895 # endif 896 897 #endif /* __ASSEMBLY__ */ 898 899 #ifdef CONFIG_PPC 900 /* 901 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 902 * Otherwise might lead to compilation errors in assembler files. 903 */ 904 #include <asm/cache.h> 905 #endif 906 907 /* Put only stuff here that the assembler can digest */ 908 909 #ifdef CONFIG_POST 910 #define CONFIG_HAS_POST 911 #ifndef CONFIG_POST_ALT_LIST 912 #define CONFIG_POST_STD_LIST 913 #endif 914 #endif 915 916 #ifdef CONFIG_INIT_CRITICAL 917 #error CONFIG_INIT_CRITICAL is deprecated! 918 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 919 #endif 920 921 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 922 923 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 924 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 925 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 926 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 927 928 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 929 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 930 931 /* 932 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 933 * is used to align DMA buffers. 934 */ 935 #ifndef __ASSEMBLY__ 936 #include <asm/cache.h> 937 #endif 938 939 /* 940 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 941 * stack that meets the minimum architecture alignment requirements for DMA. 942 * Such a buffer is useful for DMA operations where flushing and invalidating 943 * the cache before and after a read and/or write operation is required for 944 * correct operations. 945 * 946 * When called the macro creates an array on the stack that is sized such 947 * that: 948 * 949 * 1) The beginning of the array can be advanced enough to be aligned. 950 * 951 * 2) The size of the aligned portion of the array is a multiple of the minimum 952 * architecture alignment required for DMA. 953 * 954 * 3) The aligned portion contains enough space for the original number of 955 * elements requested. 956 * 957 * The macro then creates a pointer to the aligned portion of this array and 958 * assigns to the pointer the address of the first element in the aligned 959 * portion of the array. 960 * 961 * Calling the macro as: 962 * 963 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 964 * 965 * Will result in something similar to saying: 966 * 967 * uint32_t buffer[1024]; 968 * 969 * The following differences exist: 970 * 971 * 1) The resulting buffer is guaranteed to be aligned to the value of 972 * ARCH_DMA_MINALIGN. 973 * 974 * 2) The buffer variable created by the macro is a pointer to the specified 975 * type, and NOT an array of the specified type. This can be very important 976 * if you want the address of the buffer, which you probably do, to pass it 977 * to the DMA hardware. The value of &buffer is different in the two cases. 978 * In the macro case it will be the address of the pointer, not the address 979 * of the space reserved for the buffer. However, in the second case it 980 * would be the address of the buffer. So if you are replacing hard coded 981 * stack buffers with this macro you need to make sure you remove the & from 982 * the locations where you are taking the address of the buffer. 983 * 984 * Note that the size parameter is the number of array elements to allocate, 985 * not the number of bytes. 986 * 987 * This macro can not be used outside of function scope, or for the creation 988 * of a function scoped static buffer. It can not be used to create a cache 989 * line aligned global buffer. 990 */ 991 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 992 char __##name[ROUND(size * sizeof(type), align) + (align - 1)]; \ 993 \ 994 type *name = (type *) ALIGN((uintptr_t)__##name, align) 995 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 996 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 997 998 /* 999 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1000 * purpose is to allow allocating aligned buffers outside of function scope. 1001 * Usage of this macro shall be avoided or used with extreme care! 1002 */ 1003 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1004 static char __##name[roundup(size * sizeof(type), align)] \ 1005 __attribute__((aligned(align))); \ 1006 \ 1007 static type *name = (type *)__##name 1008 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1009 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1010 1011 /* Pull in stuff for the build system */ 1012 #ifdef DO_DEPS_ONLY 1013 # include <environment.h> 1014 #endif 1015 1016 #endif /* __COMMON_H_ */ 1017