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