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