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, void* data, uint width, uint count, uint linelen); 274 275 /* common/main.c */ 276 void main_loop (void); 277 int run_command(const char *cmd, int flag); 278 279 /** 280 * Run a list of commands separated by ; or even \0 281 * 282 * Note that if 'len' is not -1, then the command does not need to be nul 283 * terminated, Memory will be allocated for the command in that case. 284 * 285 * @param cmd List of commands to run, each separated bu semicolon 286 * @param len Length of commands excluding terminator if known (-1 if not) 287 * @param flag Execution flags (CMD_FLAG_...) 288 * @return 0 on success, or != 0 on error. 289 */ 290 int run_command_list(const char *cmd, int len, int flag); 291 int readline (const char *const prompt); 292 int readline_into_buffer(const char *const prompt, char *buffer, 293 int timeout); 294 int parse_line (char *, char *[]); 295 void init_cmd_timeout(void); 296 void reset_cmd_timeout(void); 297 #ifdef CONFIG_MENU 298 int abortboot(int bootdelay); 299 #endif 300 extern char console_buffer[]; 301 302 /* arch/$(ARCH)/lib/board.c */ 303 void board_init_f (ulong) __attribute__ ((noreturn)); 304 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 305 int checkboard (void); 306 int checkflash (void); 307 int checkdram (void); 308 int last_stage_init(void); 309 extern ulong monitor_flash_len; 310 int mac_read_from_eeprom(void); 311 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 312 int set_cpu_clk_info(void); 313 314 /* common/flash.c */ 315 void flash_perror (int); 316 317 /* common/cmd_source.c */ 318 int source (ulong addr, const char *fit_uname); 319 320 extern ulong load_addr; /* Default Load Address */ 321 extern ulong save_addr; /* Default Save Address */ 322 extern ulong save_size; /* Default Save Size */ 323 324 /* common/cmd_doc.c */ 325 void doc_probe(unsigned long physadr); 326 327 /* common/cmd_net.c */ 328 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 329 330 /* common/cmd_fat.c */ 331 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 332 333 /* common/cmd_ext2.c */ 334 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 335 336 /* common/cmd_nvedit.c */ 337 int env_init (void); 338 void env_relocate (void); 339 int envmatch (uchar *, int); 340 char *getenv (const char *); 341 int getenv_f (const char *name, char *buf, unsigned len); 342 ulong getenv_ulong(const char *name, int base, ulong default_val); 343 /* 344 * Read an environment variable as a boolean 345 * Return -1 if variable does not exist (default to true) 346 */ 347 int getenv_yesno(const char *var); 348 int saveenv (void); 349 int setenv (const char *, const char *); 350 int setenv_ulong(const char *varname, ulong value); 351 int setenv_addr(const char *varname, const void *addr); 352 #ifdef CONFIG_ARM 353 # include <asm/mach-types.h> 354 # include <asm/setup.h> 355 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 356 #endif /* CONFIG_ARM */ 357 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 358 # include <asm/u-boot-x86.h> 359 #endif /* CONFIG_X86 */ 360 #ifdef CONFIG_SANDBOX 361 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 362 #endif 363 #ifdef CONFIG_NDS32 364 # include <asm/mach-types.h> 365 # include <asm/u-boot-nds32.h> 366 #endif /* CONFIG_NDS32 */ 367 #ifdef CONFIG_MIPS 368 # include <asm/u-boot-mips.h> 369 #endif /* CONFIG_MIPS */ 370 371 #ifdef CONFIG_AUTO_COMPLETE 372 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 373 #endif 374 int get_env_id (void); 375 376 void pci_init (void); 377 void pci_init_board(void); 378 void pciinfo (int, int); 379 380 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 381 int pci_pre_init (struct pci_controller *); 382 int is_pci_host (struct pci_controller *); 383 #endif 384 385 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 386 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 387 void pci_target_init (struct pci_controller *); 388 # endif 389 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 390 void pci_master_init (struct pci_controller *); 391 # endif 392 #if defined(CONFIG_440SPE) || \ 393 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 394 defined(CONFIG_405EX) 395 void pcie_setup_hoses(int busno); 396 #endif 397 #endif 398 399 int misc_init_f (void); 400 int misc_init_r (void); 401 402 /* common/exports.c */ 403 void jumptable_init(void); 404 405 /* common/kallsysm.c */ 406 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 407 408 /* api/api.c */ 409 void api_init (void); 410 411 /* common/memsize.c */ 412 long get_ram_size (long *, long); 413 414 /* $(BOARD)/$(BOARD).c */ 415 void reset_phy (void); 416 void fdc_hw_init (void); 417 418 /* $(BOARD)/eeprom.c */ 419 void eeprom_init (void); 420 #ifndef CONFIG_SPI 421 int eeprom_probe (unsigned dev_addr, unsigned offset); 422 #endif 423 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 424 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 425 #ifdef CONFIG_LWMON 426 extern uchar pic_read (uchar reg); 427 extern void pic_write (uchar reg, uchar val); 428 #endif 429 430 /* 431 * Set this up regardless of board 432 * type, to prevent errors. 433 */ 434 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 435 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 436 #else 437 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 438 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 439 #endif 440 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 441 442 #if defined(CONFIG_SPI) 443 extern void spi_init_f (void); 444 extern void spi_init_r (void); 445 extern ssize_t spi_read (uchar *, int, uchar *, int); 446 extern ssize_t spi_write (uchar *, int, uchar *, int); 447 #endif 448 449 #ifdef CONFIG_RPXCLASSIC 450 void rpxclassic_init (void); 451 #endif 452 453 void rpxlite_init (void); 454 455 #ifdef CONFIG_MBX 456 /* $(BOARD)/mbx8xx.c */ 457 void mbx_init (void); 458 void board_serial_init (void); 459 void board_ether_init (void); 460 #endif 461 462 #ifdef CONFIG_HERMES 463 /* $(BOARD)/hermes.c */ 464 void hermes_start_lxt980 (int speed); 465 #endif 466 467 #ifdef CONFIG_EVB64260 468 void evb64260_init(void); 469 void debug_led(int, int); 470 void display_mem_map(void); 471 void perform_soft_reset(void); 472 #endif 473 474 /* $(BOARD)/$(BOARD).c */ 475 int board_early_init_f (void); 476 int board_late_init (void); 477 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 478 int board_early_init_r (void); 479 void board_poweroff (void); 480 481 #if defined(CONFIG_SYS_DRAM_TEST) 482 int testdram(void); 483 #endif /* CONFIG_SYS_DRAM_TEST */ 484 485 /* $(CPU)/start.S */ 486 #if defined(CONFIG_5xx) || \ 487 defined(CONFIG_8xx) 488 uint get_immr (uint); 489 #endif 490 uint get_pir (void); 491 #if defined(CONFIG_MPC5xxx) 492 uint get_svr (void); 493 #endif 494 uint get_pvr (void); 495 uint get_svr (void); 496 uint rd_ic_cst (void); 497 void wr_ic_cst (uint); 498 void wr_ic_adr (uint); 499 uint rd_dc_cst (void); 500 void wr_dc_cst (uint); 501 void wr_dc_adr (uint); 502 int icache_status (void); 503 void icache_enable (void); 504 void icache_disable(void); 505 int dcache_status (void); 506 void dcache_enable (void); 507 void dcache_disable(void); 508 void mmu_disable(void); 509 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); 510 ulong get_endaddr (void); 511 void trap_init (ulong); 512 #if defined (CONFIG_4xx) || \ 513 defined (CONFIG_MPC5xxx) || \ 514 defined (CONFIG_74xx_7xx) || \ 515 defined (CONFIG_74x) || \ 516 defined (CONFIG_75x) || \ 517 defined (CONFIG_74xx) || \ 518 defined (CONFIG_MPC8220) || \ 519 defined (CONFIG_MPC85xx) || \ 520 defined (CONFIG_MPC86xx) || \ 521 defined (CONFIG_MPC83xx) 522 unsigned char in8(unsigned int); 523 void out8(unsigned int, unsigned char); 524 unsigned short in16(unsigned int); 525 unsigned short in16r(unsigned int); 526 void out16(unsigned int, unsigned short value); 527 void out16r(unsigned int, unsigned short value); 528 unsigned long in32(unsigned int); 529 unsigned long in32r(unsigned int); 530 void out32(unsigned int, unsigned long value); 531 void out32r(unsigned int, unsigned long value); 532 void ppcDcbf(unsigned long value); 533 void ppcDcbi(unsigned long value); 534 void ppcSync(void); 535 void ppcDcbz(unsigned long value); 536 #endif 537 #if defined (CONFIG_MICROBLAZE) 538 unsigned short in16(unsigned int); 539 void out16(unsigned int, unsigned short value); 540 #endif 541 542 #if defined (CONFIG_MPC83xx) 543 void ppcDWload(unsigned int *addr, unsigned int *ret); 544 void ppcDWstore(unsigned int *addr, unsigned int *value); 545 void disable_addr_trans(void); 546 void enable_addr_trans(void); 547 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 548 void ddr_enable_ecc(unsigned int dram_size); 549 #endif 550 #endif 551 552 /* $(CPU)/cpu.c */ 553 static inline int cpumask_next(int cpu, unsigned int mask) 554 { 555 for (cpu++; !((1 << cpu) & mask); cpu++) 556 ; 557 558 return cpu; 559 } 560 561 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 562 for (iter = 0, cpu = cpumask_next(-1, mask); \ 563 iter < num_cpus; \ 564 iter++, cpu = cpumask_next(cpu, mask)) \ 565 566 int cpu_numcores (void); 567 u32 cpu_mask (void); 568 int is_core_valid (unsigned int); 569 int probecpu (void); 570 int checkcpu (void); 571 int checkicache (void); 572 int checkdcache (void); 573 void upmconfig (unsigned int, unsigned int *, unsigned int); 574 ulong get_tbclk (void); 575 void reset_cpu (ulong addr); 576 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 577 void ft_cpu_setup(void *blob, bd_t *bd); 578 #ifdef CONFIG_PCI 579 void ft_pci_setup(void *blob, bd_t *bd); 580 #endif 581 #endif 582 583 584 /* $(CPU)/serial.c */ 585 int serial_init (void); 586 void serial_setbrg (void); 587 void serial_putc (const char); 588 void serial_putc_raw(const char); 589 void serial_puts (const char *); 590 int serial_getc (void); 591 int serial_tstc (void); 592 593 void _serial_setbrg (const int); 594 void _serial_putc (const char, const int); 595 void _serial_putc_raw(const char, const int); 596 void _serial_puts (const char *, const int); 597 int _serial_getc (const int); 598 int _serial_tstc (const int); 599 600 /* $(CPU)/speed.c */ 601 int get_clocks (void); 602 int get_clocks_866 (void); 603 int sdram_adjust_866 (void); 604 int adjust_sdram_tbs_8xx (void); 605 #if defined(CONFIG_8260) 606 int prt_8260_clks (void); 607 #elif defined(CONFIG_MPC5xxx) 608 int prt_mpc5xxx_clks (void); 609 #endif 610 #if defined(CONFIG_MPC512X) 611 int prt_mpc512xxx_clks (void); 612 #endif 613 #if defined(CONFIG_MPC8220) 614 int prt_mpc8220_clks (void); 615 #endif 616 #ifdef CONFIG_4xx 617 ulong get_OPB_freq (void); 618 ulong get_PCI_freq (void); 619 #endif 620 #if defined(CONFIG_S3C24X0) || \ 621 defined(CONFIG_LH7A40X) || \ 622 defined(CONFIG_S3C6400) || \ 623 defined(CONFIG_EP93XX) 624 ulong get_FCLK (void); 625 ulong get_HCLK (void); 626 ulong get_PCLK (void); 627 ulong get_UCLK (void); 628 #endif 629 #if defined(CONFIG_LH7A40X) 630 ulong get_PLLCLK (void); 631 #endif 632 #if defined CONFIG_INCA_IP 633 uint incaip_get_cpuclk (void); 634 #endif 635 #if defined(CONFIG_IMX) 636 ulong get_systemPLLCLK(void); 637 ulong get_FCLK(void); 638 ulong get_HCLK(void); 639 ulong get_BCLK(void); 640 ulong get_PERCLK1(void); 641 ulong get_PERCLK2(void); 642 ulong get_PERCLK3(void); 643 #endif 644 ulong get_bus_freq (ulong); 645 int get_serial_clock(void); 646 647 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 648 ulong get_ddr_freq(ulong); 649 #endif 650 #if defined(CONFIG_MPC85xx) 651 typedef MPC85xx_SYS_INFO sys_info_t; 652 void get_sys_info ( sys_info_t * ); 653 #endif 654 #if defined(CONFIG_MPC86xx) 655 typedef MPC86xx_SYS_INFO sys_info_t; 656 void get_sys_info ( sys_info_t * ); 657 static inline ulong get_ddr_freq(ulong dummy) 658 { 659 return get_bus_freq(dummy); 660 } 661 #endif 662 663 #if defined(CONFIG_4xx) 664 # if defined(CONFIG_440) 665 # if defined(CONFIG_440SPE) 666 unsigned long determine_sysper(void); 667 unsigned long determine_pci_clock_per(void); 668 # endif 669 # endif 670 typedef PPC4xx_SYS_INFO sys_info_t; 671 int ppc440spe_revB(void); 672 void get_sys_info ( sys_info_t * ); 673 #endif 674 675 /* $(CPU)/cpu_init.c */ 676 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 677 void cpu_init_f (volatile immap_t *immr); 678 #endif 679 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 680 void cpu_init_f (void); 681 #endif 682 683 int cpu_init_r (void); 684 #if defined(CONFIG_8260) 685 int prt_8260_rsr (void); 686 #elif defined(CONFIG_MPC83xx) 687 int prt_83xx_rsr (void); 688 #endif 689 690 /* $(CPU)/interrupts.c */ 691 int interrupt_init (void); 692 void timer_interrupt (struct pt_regs *); 693 void external_interrupt (struct pt_regs *); 694 void irq_install_handler(int, interrupt_handler_t *, void *); 695 void irq_free_handler (int); 696 void reset_timer (void); 697 ulong get_timer (ulong base); 698 void enable_interrupts (void); 699 int disable_interrupts (void); 700 701 /* $(CPU)/.../commproc.c */ 702 int dpram_init (void); 703 uint dpram_base(void); 704 uint dpram_base_align(uint align); 705 uint dpram_alloc(uint size); 706 uint dpram_alloc_align(uint size,uint align); 707 void bootcount_store (ulong); 708 ulong bootcount_load (void); 709 #define BOOTCOUNT_MAGIC 0xB001C041 710 711 /* $(CPU)/.../<eth> */ 712 void mii_init (void); 713 714 /* $(CPU)/.../lcd.c */ 715 ulong lcd_setmem (ulong); 716 717 /* $(CPU)/.../video.c */ 718 ulong video_setmem (ulong); 719 720 /* arch/$(ARCH)/lib/cache.c */ 721 void enable_caches(void); 722 void flush_cache (unsigned long, unsigned long); 723 void flush_dcache_all(void); 724 void flush_dcache_range(unsigned long start, unsigned long stop); 725 void invalidate_dcache_range(unsigned long start, unsigned long stop); 726 void invalidate_dcache_all(void); 727 void invalidate_icache_all(void); 728 729 /* arch/$(ARCH)/lib/ticks.S */ 730 unsigned long long get_ticks(void); 731 void wait_ticks (unsigned long); 732 733 /* arch/$(ARCH)/lib/time.c */ 734 void __udelay (unsigned long); 735 ulong usec2ticks (unsigned long usec); 736 ulong ticks2usec (unsigned long ticks); 737 int init_timebase (void); 738 739 /* lib/gunzip.c */ 740 int gunzip(void *, int, unsigned char *, unsigned long *); 741 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 742 int stoponerr, int offset); 743 744 /* lib/qsort.c */ 745 void qsort(void *base, size_t nmemb, size_t size, 746 int(*compar)(const void *, const void *)); 747 int strcmp_compar(const void *, const void *); 748 749 /* lib/time.c */ 750 void udelay (unsigned long); 751 void mdelay(unsigned long); 752 753 /* lib/uuid.c */ 754 void uuid_str_to_bin(const char *uuid, unsigned char *out); 755 int uuid_str_valid(const char *uuid); 756 757 /* lib/vsprintf.c */ 758 #include <vsprintf.h> 759 760 /* lib/strmhz.c */ 761 char * strmhz(char *buf, unsigned long hz); 762 763 /* lib/crc32.c */ 764 #include <u-boot/crc.h> 765 766 /* lib/rand.c */ 767 #if defined(CONFIG_RANDOM_MACADDR) || \ 768 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 769 defined(CONFIG_CMD_LINK_LOCAL) 770 #define RAND_MAX -1U 771 void srand(unsigned int seed); 772 unsigned int rand(void); 773 unsigned int rand_r(unsigned int *seedp); 774 #endif 775 776 /* common/console.c */ 777 int console_init_f(void); /* Before relocation; uses the serial stuff */ 778 int console_init_r(void); /* After relocation; uses the console stuff */ 779 int console_assign(int file, const char *devname); /* Assign the console */ 780 int ctrlc (void); 781 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 782 void clear_ctrlc (void); /* clear the Control-C condition */ 783 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 784 785 /* 786 * STDIO based functions (can always be used) 787 */ 788 /* serial stuff */ 789 int serial_printf (const char *fmt, ...) 790 __attribute__ ((format (__printf__, 1, 2))); 791 /* stdin */ 792 int getc(void); 793 int tstc(void); 794 795 /* stdout */ 796 void putc(const char c); 797 void puts(const char *s); 798 int printf(const char *fmt, ...) 799 __attribute__ ((format (__printf__, 1, 2))); 800 int vprintf(const char *fmt, va_list args); 801 802 /* stderr */ 803 #define eputc(c) fputc(stderr, c) 804 #define eputs(s) fputs(stderr, s) 805 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 806 807 /* 808 * FILE based functions (can only be used AFTER relocation!) 809 */ 810 #define stdin 0 811 #define stdout 1 812 #define stderr 2 813 #define MAX_FILES 3 814 815 int fprintf(int file, const char *fmt, ...) 816 __attribute__ ((format (__printf__, 2, 3))); 817 void fputs(int file, const char *s); 818 void fputc(int file, const char c); 819 int ftstc(int file); 820 int fgetc(int file); 821 822 /* lib/gzip.c */ 823 int gzip(void *dst, unsigned long *lenp, 824 unsigned char *src, unsigned long srclen); 825 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 826 unsigned long srclen, int stoponerr, 827 int (*func)(unsigned long, unsigned long)); 828 829 /* lib/net_utils.c */ 830 #include <net.h> 831 static inline IPaddr_t getenv_IPaddr(char *var) 832 { 833 return string_to_ip(getenv(var)); 834 } 835 836 /* 837 * CONSOLE multiplexing. 838 */ 839 #ifdef CONFIG_CONSOLE_MUX 840 #include <iomux.h> 841 #endif 842 843 int pcmcia_init (void); 844 845 #ifdef CONFIG_STATUS_LED 846 # include <status_led.h> 847 #endif 848 849 #include <bootstage.h> 850 851 #ifdef CONFIG_SHOW_ACTIVITY 852 void show_activity(int arg); 853 #endif 854 855 /* Multicore arch functions */ 856 #ifdef CONFIG_MP 857 int cpu_status(int nr); 858 int cpu_reset(int nr); 859 int cpu_disable(int nr); 860 int cpu_release(int nr, int argc, char * const argv[]); 861 #endif 862 863 #endif /* __ASSEMBLY__ */ 864 865 #ifdef CONFIG_PPC 866 /* 867 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 868 * Otherwise might lead to compilation errors in assembler files. 869 */ 870 #include <asm/cache.h> 871 #endif 872 873 /* Put only stuff here that the assembler can digest */ 874 875 #ifdef CONFIG_POST 876 #define CONFIG_HAS_POST 877 #ifndef CONFIG_POST_ALT_LIST 878 #define CONFIG_POST_STD_LIST 879 #endif 880 #endif 881 882 #ifdef CONFIG_INIT_CRITICAL 883 #error CONFIG_INIT_CRITICAL is deprecated! 884 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 885 #endif 886 887 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 888 889 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 890 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 891 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 892 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 893 894 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 895 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 896 897 /* 898 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 899 * is used to align DMA buffers. 900 */ 901 #ifndef __ASSEMBLY__ 902 #include <asm/cache.h> 903 #endif 904 905 /* 906 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 907 * stack that meets the minimum architecture alignment requirements for DMA. 908 * Such a buffer is useful for DMA operations where flushing and invalidating 909 * the cache before and after a read and/or write operation is required for 910 * correct operations. 911 * 912 * When called the macro creates an array on the stack that is sized such 913 * that: 914 * 915 * 1) The beginning of the array can be advanced enough to be aligned. 916 * 917 * 2) The size of the aligned portion of the array is a multiple of the minimum 918 * architecture alignment required for DMA. 919 * 920 * 3) The aligned portion contains enough space for the original number of 921 * elements requested. 922 * 923 * The macro then creates a pointer to the aligned portion of this array and 924 * assigns to the pointer the address of the first element in the aligned 925 * portion of the array. 926 * 927 * Calling the macro as: 928 * 929 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 930 * 931 * Will result in something similar to saying: 932 * 933 * uint32_t buffer[1024]; 934 * 935 * The following differences exist: 936 * 937 * 1) The resulting buffer is guaranteed to be aligned to the value of 938 * ARCH_DMA_MINALIGN. 939 * 940 * 2) The buffer variable created by the macro is a pointer to the specified 941 * type, and NOT an array of the specified type. This can be very important 942 * if you want the address of the buffer, which you probably do, to pass it 943 * to the DMA hardware. The value of &buffer is different in the two cases. 944 * In the macro case it will be the address of the pointer, not the address 945 * of the space reserved for the buffer. However, in the second case it 946 * would be the address of the buffer. So if you are replacing hard coded 947 * stack buffers with this macro you need to make sure you remove the & from 948 * the locations where you are taking the address of the buffer. 949 * 950 * Note that the size parameter is the number of array elements to allocate, 951 * not the number of bytes. 952 * 953 * This macro can not be used outside of function scope, or for the creation 954 * of a function scoped static buffer. It can not be used to create a cache 955 * line aligned global buffer. 956 */ 957 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 958 char __##name[ROUND(size * sizeof(type), align) + (align - 1)]; \ 959 \ 960 type *name = (type *) ALIGN((uintptr_t)__##name, align) 961 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 962 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 963 964 /* 965 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 966 * purpose is to allow allocating aligned buffers outside of function scope. 967 * Usage of this macro shall be avoided or used with extreme care! 968 */ 969 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 970 static char __##name[roundup(size * sizeof(type), align)] \ 971 __attribute__((aligned(align))); \ 972 \ 973 static type *name = (type *)__##name 974 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 975 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 976 977 /* Pull in stuff for the build system */ 978 #ifdef DO_DEPS_ONLY 979 # include <environment.h> 980 #endif 981 982 #endif /* __COMMON_H_ */ 983