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 * Read an environment variable as a boolean 357 * Return -1 if variable does not exist (default to true) 358 */ 359 int getenv_yesno(const char *var); 360 int saveenv (void); 361 int setenv (const char *, const char *); 362 int setenv_ulong(const char *varname, ulong value); 363 int setenv_hex(const char *varname, ulong value); 364 /** 365 * setenv_addr - Set an environment variable to an address in hex 366 * 367 * @varname: Environmet variable to set 368 * @addr: Value to set it to 369 * @return 0 if ok, 1 on error 370 */ 371 static inline int setenv_addr(const char *varname, const void *addr) 372 { 373 return setenv_hex(varname, (ulong)addr); 374 } 375 376 #ifdef CONFIG_ARM 377 # include <asm/mach-types.h> 378 # include <asm/setup.h> 379 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 380 #endif /* CONFIG_ARM */ 381 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 382 # include <asm/u-boot-x86.h> 383 #endif /* CONFIG_X86 */ 384 #ifdef CONFIG_SANDBOX 385 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 386 #endif 387 #ifdef CONFIG_NDS32 388 # include <asm/mach-types.h> 389 # include <asm/u-boot-nds32.h> 390 #endif /* CONFIG_NDS32 */ 391 #ifdef CONFIG_MIPS 392 # include <asm/u-boot-mips.h> 393 #endif /* CONFIG_MIPS */ 394 395 #ifdef CONFIG_AUTO_COMPLETE 396 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 397 #endif 398 int get_env_id (void); 399 400 void pci_init (void); 401 void pci_init_board(void); 402 void pciinfo (int, int); 403 404 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 405 int pci_pre_init (struct pci_controller *); 406 int is_pci_host (struct pci_controller *); 407 #endif 408 409 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 410 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 411 void pci_target_init (struct pci_controller *); 412 # endif 413 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 414 void pci_master_init (struct pci_controller *); 415 # endif 416 #if defined(CONFIG_440SPE) || \ 417 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 418 defined(CONFIG_405EX) 419 void pcie_setup_hoses(int busno); 420 #endif 421 #endif 422 423 int misc_init_f (void); 424 int misc_init_r (void); 425 426 /* common/exports.c */ 427 void jumptable_init(void); 428 429 /* common/kallsysm.c */ 430 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 431 432 /* api/api.c */ 433 void api_init (void); 434 435 /* common/memsize.c */ 436 long get_ram_size (long *, long); 437 438 /* $(BOARD)/$(BOARD).c */ 439 void reset_phy (void); 440 void fdc_hw_init (void); 441 442 /* $(BOARD)/eeprom.c */ 443 void eeprom_init (void); 444 #ifndef CONFIG_SPI 445 int eeprom_probe (unsigned dev_addr, unsigned offset); 446 #endif 447 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 448 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 449 #ifdef CONFIG_LWMON 450 extern uchar pic_read (uchar reg); 451 extern void pic_write (uchar reg, uchar val); 452 #endif 453 454 /* 455 * Set this up regardless of board 456 * type, to prevent errors. 457 */ 458 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 459 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 460 #else 461 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 462 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 463 #endif 464 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 465 466 #if defined(CONFIG_SPI) 467 extern void spi_init_f (void); 468 extern void spi_init_r (void); 469 extern ssize_t spi_read (uchar *, int, uchar *, int); 470 extern ssize_t spi_write (uchar *, int, uchar *, int); 471 #endif 472 473 #ifdef CONFIG_RPXCLASSIC 474 void rpxclassic_init (void); 475 #endif 476 477 void rpxlite_init (void); 478 479 #ifdef CONFIG_MBX 480 /* $(BOARD)/mbx8xx.c */ 481 void mbx_init (void); 482 void board_serial_init (void); 483 void board_ether_init (void); 484 #endif 485 486 #ifdef CONFIG_HERMES 487 /* $(BOARD)/hermes.c */ 488 void hermes_start_lxt980 (int speed); 489 #endif 490 491 #ifdef CONFIG_EVB64260 492 void evb64260_init(void); 493 void debug_led(int, int); 494 void display_mem_map(void); 495 void perform_soft_reset(void); 496 #endif 497 498 /* $(BOARD)/$(BOARD).c */ 499 int board_early_init_f (void); 500 int board_late_init (void); 501 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 502 int board_early_init_r (void); 503 void board_poweroff (void); 504 505 #if defined(CONFIG_SYS_DRAM_TEST) 506 int testdram(void); 507 #endif /* CONFIG_SYS_DRAM_TEST */ 508 509 /* $(CPU)/start.S */ 510 #if defined(CONFIG_5xx) || \ 511 defined(CONFIG_8xx) 512 uint get_immr (uint); 513 #endif 514 uint get_pir (void); 515 #if defined(CONFIG_MPC5xxx) 516 uint get_svr (void); 517 #endif 518 uint get_pvr (void); 519 uint get_svr (void); 520 uint rd_ic_cst (void); 521 void wr_ic_cst (uint); 522 void wr_ic_adr (uint); 523 uint rd_dc_cst (void); 524 void wr_dc_cst (uint); 525 void wr_dc_adr (uint); 526 int icache_status (void); 527 void icache_enable (void); 528 void icache_disable(void); 529 int dcache_status (void); 530 void dcache_enable (void); 531 void dcache_disable(void); 532 void mmu_disable(void); 533 void relocate_code(ulong, gd_t *, ulong) 534 #if !defined(CONFIG_ARM) 535 __attribute__ ((noreturn)) 536 #endif 537 ; 538 ulong get_endaddr (void); 539 void trap_init (ulong); 540 #if defined (CONFIG_4xx) || \ 541 defined (CONFIG_MPC5xxx) || \ 542 defined (CONFIG_74xx_7xx) || \ 543 defined (CONFIG_74x) || \ 544 defined (CONFIG_75x) || \ 545 defined (CONFIG_74xx) || \ 546 defined (CONFIG_MPC8220) || \ 547 defined (CONFIG_MPC85xx) || \ 548 defined (CONFIG_MPC86xx) || \ 549 defined (CONFIG_MPC83xx) 550 unsigned char in8(unsigned int); 551 void out8(unsigned int, unsigned char); 552 unsigned short in16(unsigned int); 553 unsigned short in16r(unsigned int); 554 void out16(unsigned int, unsigned short value); 555 void out16r(unsigned int, unsigned short value); 556 unsigned long in32(unsigned int); 557 unsigned long in32r(unsigned int); 558 void out32(unsigned int, unsigned long value); 559 void out32r(unsigned int, unsigned long value); 560 void ppcDcbf(unsigned long value); 561 void ppcDcbi(unsigned long value); 562 void ppcSync(void); 563 void ppcDcbz(unsigned long value); 564 #endif 565 #if defined (CONFIG_MICROBLAZE) 566 unsigned short in16(unsigned int); 567 void out16(unsigned int, unsigned short value); 568 #endif 569 570 #if defined (CONFIG_MPC83xx) 571 void ppcDWload(unsigned int *addr, unsigned int *ret); 572 void ppcDWstore(unsigned int *addr, unsigned int *value); 573 void disable_addr_trans(void); 574 void enable_addr_trans(void); 575 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 576 void ddr_enable_ecc(unsigned int dram_size); 577 #endif 578 #endif 579 580 /* $(CPU)/cpu.c */ 581 static inline int cpumask_next(int cpu, unsigned int mask) 582 { 583 for (cpu++; !((1 << cpu) & mask); cpu++) 584 ; 585 586 return cpu; 587 } 588 589 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 590 for (iter = 0, cpu = cpumask_next(-1, mask); \ 591 iter < num_cpus; \ 592 iter++, cpu = cpumask_next(cpu, mask)) \ 593 594 int cpu_numcores (void); 595 u32 cpu_mask (void); 596 int is_core_valid (unsigned int); 597 int probecpu (void); 598 int checkcpu (void); 599 int checkicache (void); 600 int checkdcache (void); 601 void upmconfig (unsigned int, unsigned int *, unsigned int); 602 ulong get_tbclk (void); 603 void reset_cpu (ulong addr); 604 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 605 void ft_cpu_setup(void *blob, bd_t *bd); 606 #ifdef CONFIG_PCI 607 void ft_pci_setup(void *blob, bd_t *bd); 608 #endif 609 #endif 610 611 612 /* $(CPU)/serial.c */ 613 int serial_init (void); 614 void serial_setbrg (void); 615 void serial_putc (const char); 616 void serial_putc_raw(const char); 617 void serial_puts (const char *); 618 int serial_getc (void); 619 int serial_tstc (void); 620 621 void _serial_setbrg (const int); 622 void _serial_putc (const char, const int); 623 void _serial_putc_raw(const char, const int); 624 void _serial_puts (const char *, const int); 625 int _serial_getc (const int); 626 int _serial_tstc (const int); 627 628 /* $(CPU)/speed.c */ 629 int get_clocks (void); 630 int get_clocks_866 (void); 631 int sdram_adjust_866 (void); 632 int adjust_sdram_tbs_8xx (void); 633 #if defined(CONFIG_8260) 634 int prt_8260_clks (void); 635 #elif defined(CONFIG_MPC5xxx) 636 int prt_mpc5xxx_clks (void); 637 #endif 638 #if defined(CONFIG_MPC512X) 639 int prt_mpc512xxx_clks (void); 640 #endif 641 #if defined(CONFIG_MPC8220) 642 int prt_mpc8220_clks (void); 643 #endif 644 #ifdef CONFIG_4xx 645 ulong get_OPB_freq (void); 646 ulong get_PCI_freq (void); 647 #endif 648 #if defined(CONFIG_S3C24X0) || \ 649 defined(CONFIG_LH7A40X) || \ 650 defined(CONFIG_S3C6400) || \ 651 defined(CONFIG_EP93XX) 652 ulong get_FCLK (void); 653 ulong get_HCLK (void); 654 ulong get_PCLK (void); 655 ulong get_UCLK (void); 656 #endif 657 #if defined(CONFIG_LH7A40X) 658 ulong get_PLLCLK (void); 659 #endif 660 #if defined CONFIG_INCA_IP 661 uint incaip_get_cpuclk (void); 662 #endif 663 #if defined(CONFIG_IMX) 664 ulong get_systemPLLCLK(void); 665 ulong get_FCLK(void); 666 ulong get_HCLK(void); 667 ulong get_BCLK(void); 668 ulong get_PERCLK1(void); 669 ulong get_PERCLK2(void); 670 ulong get_PERCLK3(void); 671 #endif 672 ulong get_bus_freq (ulong); 673 int get_serial_clock(void); 674 675 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 676 ulong get_ddr_freq(ulong); 677 #endif 678 #if defined(CONFIG_MPC85xx) 679 typedef MPC85xx_SYS_INFO sys_info_t; 680 void get_sys_info ( sys_info_t * ); 681 #endif 682 #if defined(CONFIG_MPC86xx) 683 typedef MPC86xx_SYS_INFO sys_info_t; 684 void get_sys_info ( sys_info_t * ); 685 static inline ulong get_ddr_freq(ulong dummy) 686 { 687 return get_bus_freq(dummy); 688 } 689 #endif 690 691 #if defined(CONFIG_4xx) 692 # if defined(CONFIG_440) 693 # if defined(CONFIG_440SPE) 694 unsigned long determine_sysper(void); 695 unsigned long determine_pci_clock_per(void); 696 # endif 697 # endif 698 typedef PPC4xx_SYS_INFO sys_info_t; 699 int ppc440spe_revB(void); 700 void get_sys_info ( sys_info_t * ); 701 #endif 702 703 /* $(CPU)/cpu_init.c */ 704 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 705 void cpu_init_f (volatile immap_t *immr); 706 #endif 707 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 708 void cpu_init_f (void); 709 #endif 710 711 int cpu_init_r (void); 712 #if defined(CONFIG_8260) 713 int prt_8260_rsr (void); 714 #elif defined(CONFIG_MPC83xx) 715 int prt_83xx_rsr (void); 716 #endif 717 718 /* $(CPU)/interrupts.c */ 719 int interrupt_init (void); 720 void timer_interrupt (struct pt_regs *); 721 void external_interrupt (struct pt_regs *); 722 void irq_install_handler(int, interrupt_handler_t *, void *); 723 void irq_free_handler (int); 724 void reset_timer (void); 725 ulong get_timer (ulong base); 726 void enable_interrupts (void); 727 int disable_interrupts (void); 728 729 /* $(CPU)/.../commproc.c */ 730 int dpram_init (void); 731 uint dpram_base(void); 732 uint dpram_base_align(uint align); 733 uint dpram_alloc(uint size); 734 uint dpram_alloc_align(uint size,uint align); 735 void bootcount_store (ulong); 736 ulong bootcount_load (void); 737 #define BOOTCOUNT_MAGIC 0xB001C041 738 739 /* $(CPU)/.../<eth> */ 740 void mii_init (void); 741 742 /* $(CPU)/.../lcd.c */ 743 ulong lcd_setmem (ulong); 744 745 /* $(CPU)/.../video.c */ 746 ulong video_setmem (ulong); 747 748 /* arch/$(ARCH)/lib/cache.c */ 749 void enable_caches(void); 750 void flush_cache (unsigned long, unsigned long); 751 void flush_dcache_all(void); 752 void flush_dcache_range(unsigned long start, unsigned long stop); 753 void invalidate_dcache_range(unsigned long start, unsigned long stop); 754 void invalidate_dcache_all(void); 755 void invalidate_icache_all(void); 756 757 /* arch/$(ARCH)/lib/ticks.S */ 758 unsigned long long get_ticks(void); 759 void wait_ticks (unsigned long); 760 761 /* arch/$(ARCH)/lib/time.c */ 762 void __udelay (unsigned long); 763 ulong usec2ticks (unsigned long usec); 764 ulong ticks2usec (unsigned long ticks); 765 int init_timebase (void); 766 767 /* lib/gunzip.c */ 768 int gunzip(void *, int, unsigned char *, unsigned long *); 769 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 770 int stoponerr, int offset); 771 772 /* lib/qsort.c */ 773 void qsort(void *base, size_t nmemb, size_t size, 774 int(*compar)(const void *, const void *)); 775 int strcmp_compar(const void *, const void *); 776 777 /* lib/time.c */ 778 void udelay (unsigned long); 779 void mdelay(unsigned long); 780 781 /* lib/uuid.c */ 782 void uuid_str_to_bin(const char *uuid, unsigned char *out); 783 int uuid_str_valid(const char *uuid); 784 785 /* lib/vsprintf.c */ 786 #include <vsprintf.h> 787 788 /* lib/strmhz.c */ 789 char * strmhz(char *buf, unsigned long hz); 790 791 /* lib/crc32.c */ 792 #include <u-boot/crc.h> 793 794 /* lib/rand.c */ 795 #if defined(CONFIG_RANDOM_MACADDR) || \ 796 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 797 defined(CONFIG_CMD_LINK_LOCAL) 798 #define RAND_MAX -1U 799 void srand(unsigned int seed); 800 unsigned int rand(void); 801 unsigned int rand_r(unsigned int *seedp); 802 #endif 803 804 /* common/console.c */ 805 int console_init_f(void); /* Before relocation; uses the serial stuff */ 806 int console_init_r(void); /* After relocation; uses the console stuff */ 807 int console_assign(int file, const char *devname); /* Assign the console */ 808 int ctrlc (void); 809 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 810 void clear_ctrlc (void); /* clear the Control-C condition */ 811 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 812 813 /* 814 * STDIO based functions (can always be used) 815 */ 816 /* serial stuff */ 817 int serial_printf (const char *fmt, ...) 818 __attribute__ ((format (__printf__, 1, 2))); 819 /* stdin */ 820 int getc(void); 821 int tstc(void); 822 823 /* stdout */ 824 void putc(const char c); 825 void puts(const char *s); 826 int printf(const char *fmt, ...) 827 __attribute__ ((format (__printf__, 1, 2))); 828 int vprintf(const char *fmt, va_list args); 829 830 /* stderr */ 831 #define eputc(c) fputc(stderr, c) 832 #define eputs(s) fputs(stderr, s) 833 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 834 835 /* 836 * FILE based functions (can only be used AFTER relocation!) 837 */ 838 #define stdin 0 839 #define stdout 1 840 #define stderr 2 841 #define MAX_FILES 3 842 843 int fprintf(int file, const char *fmt, ...) 844 __attribute__ ((format (__printf__, 2, 3))); 845 void fputs(int file, const char *s); 846 void fputc(int file, const char c); 847 int ftstc(int file); 848 int fgetc(int file); 849 850 /* lib/gzip.c */ 851 int gzip(void *dst, unsigned long *lenp, 852 unsigned char *src, unsigned long srclen); 853 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 854 unsigned long srclen, int stoponerr, 855 int (*func)(unsigned long, unsigned long)); 856 857 /* lib/net_utils.c */ 858 #include <net.h> 859 static inline IPaddr_t getenv_IPaddr(char *var) 860 { 861 return string_to_ip(getenv(var)); 862 } 863 864 /* 865 * CONSOLE multiplexing. 866 */ 867 #ifdef CONFIG_CONSOLE_MUX 868 #include <iomux.h> 869 #endif 870 871 int pcmcia_init (void); 872 873 #ifdef CONFIG_STATUS_LED 874 # include <status_led.h> 875 #endif 876 877 #include <bootstage.h> 878 879 #ifdef CONFIG_SHOW_ACTIVITY 880 void show_activity(int arg); 881 #endif 882 883 /* Multicore arch functions */ 884 #ifdef CONFIG_MP 885 int cpu_status(int nr); 886 int cpu_reset(int nr); 887 int cpu_disable(int nr); 888 int cpu_release(int nr, int argc, char * const argv[]); 889 #endif 890 891 /* Define a null map_sysmem() if the architecture doesn't use it */ 892 # ifndef CONFIG_ARCH_MAP_SYSMEM 893 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 894 { 895 return (void *)(uintptr_t)paddr; 896 } 897 898 static inline void unmap_sysmem(const void *vaddr) 899 { 900 } 901 # endif 902 903 #endif /* __ASSEMBLY__ */ 904 905 #ifdef CONFIG_PPC 906 /* 907 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 908 * Otherwise might lead to compilation errors in assembler files. 909 */ 910 #include <asm/cache.h> 911 #endif 912 913 /* Put only stuff here that the assembler can digest */ 914 915 #ifdef CONFIG_POST 916 #define CONFIG_HAS_POST 917 #ifndef CONFIG_POST_ALT_LIST 918 #define CONFIG_POST_STD_LIST 919 #endif 920 #endif 921 922 #ifdef CONFIG_INIT_CRITICAL 923 #error CONFIG_INIT_CRITICAL is deprecated! 924 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 925 #endif 926 927 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 928 929 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 930 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 931 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 932 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 933 934 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 935 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 936 937 /* 938 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 939 * is used to align DMA buffers. 940 */ 941 #ifndef __ASSEMBLY__ 942 #include <asm/cache.h> 943 #endif 944 945 /* 946 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 947 * stack that meets the minimum architecture alignment requirements for DMA. 948 * Such a buffer is useful for DMA operations where flushing and invalidating 949 * the cache before and after a read and/or write operation is required for 950 * correct operations. 951 * 952 * When called the macro creates an array on the stack that is sized such 953 * that: 954 * 955 * 1) The beginning of the array can be advanced enough to be aligned. 956 * 957 * 2) The size of the aligned portion of the array is a multiple of the minimum 958 * architecture alignment required for DMA. 959 * 960 * 3) The aligned portion contains enough space for the original number of 961 * elements requested. 962 * 963 * The macro then creates a pointer to the aligned portion of this array and 964 * assigns to the pointer the address of the first element in the aligned 965 * portion of the array. 966 * 967 * Calling the macro as: 968 * 969 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 970 * 971 * Will result in something similar to saying: 972 * 973 * uint32_t buffer[1024]; 974 * 975 * The following differences exist: 976 * 977 * 1) The resulting buffer is guaranteed to be aligned to the value of 978 * ARCH_DMA_MINALIGN. 979 * 980 * 2) The buffer variable created by the macro is a pointer to the specified 981 * type, and NOT an array of the specified type. This can be very important 982 * if you want the address of the buffer, which you probably do, to pass it 983 * to the DMA hardware. The value of &buffer is different in the two cases. 984 * In the macro case it will be the address of the pointer, not the address 985 * of the space reserved for the buffer. However, in the second case it 986 * would be the address of the buffer. So if you are replacing hard coded 987 * stack buffers with this macro you need to make sure you remove the & from 988 * the locations where you are taking the address of the buffer. 989 * 990 * Note that the size parameter is the number of array elements to allocate, 991 * not the number of bytes. 992 * 993 * This macro can not be used outside of function scope, or for the creation 994 * of a function scoped static buffer. It can not be used to create a cache 995 * line aligned global buffer. 996 */ 997 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 998 char __##name[ROUND(size * sizeof(type), align) + (align - 1)]; \ 999 \ 1000 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1001 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1002 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1003 1004 /* 1005 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1006 * purpose is to allow allocating aligned buffers outside of function scope. 1007 * Usage of this macro shall be avoided or used with extreme care! 1008 */ 1009 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1010 static char __##name[roundup(size * sizeof(type), align)] \ 1011 __attribute__((aligned(align))); \ 1012 \ 1013 static type *name = (type *)__##name 1014 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1015 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1016 1017 /* Pull in stuff for the build system */ 1018 #ifdef DO_DEPS_ONLY 1019 # include <environment.h> 1020 #endif 1021 1022 #endif /* __COMMON_H_ */ 1023