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/compiler.h> 43 #include <asm/ptrace.h> 44 #include <stdarg.h> 45 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 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 #ifndef CONFIG_SERIAL_MULTI 199 200 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 201 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 202 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 203 204 #define CONFIG_SERIAL_MULTI 1 205 206 #endif 207 208 #endif /* CONFIG_SERIAL_MULTI */ 209 210 /* 211 * General Purpose Utilities 212 */ 213 #define min(X, Y) \ 214 ({ typeof (X) __x = (X); \ 215 typeof (Y) __y = (Y); \ 216 (__x < __y) ? __x : __y; }) 217 218 #define max(X, Y) \ 219 ({ typeof (X) __x = (X); \ 220 typeof (Y) __y = (Y); \ 221 (__x > __y) ? __x : __y; }) 222 223 #define MIN(x, y) min(x, y) 224 #define MAX(x, y) max(x, y) 225 226 /* 227 * Return the absolute value of a number. 228 * 229 * This handles unsigned and signed longs, ints, shorts and chars. For all 230 * input types abs() returns a signed long. 231 * 232 * For 64-bit types, use abs64() 233 */ 234 #define abs(x) ({ \ 235 long ret; \ 236 if (sizeof(x) == sizeof(long)) { \ 237 long __x = (x); \ 238 ret = (__x < 0) ? -__x : __x; \ 239 } else { \ 240 int __x = (x); \ 241 ret = (__x < 0) ? -__x : __x; \ 242 } \ 243 ret; \ 244 }) 245 246 #define abs64(x) ({ \ 247 s64 __x = (x); \ 248 (__x < 0) ? -__x : __x; \ 249 }) 250 251 #if defined(CONFIG_ENV_IS_EMBEDDED) 252 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 253 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 254 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 255 defined(CONFIG_ENV_IS_IN_NVRAM) 256 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 257 #else 258 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 259 #endif 260 261 /** 262 * container_of - cast a member of a structure out to the containing structure 263 * @ptr: the pointer to the member. 264 * @type: the type of the container struct this is embedded in. 265 * @member: the name of the member within the struct. 266 * 267 */ 268 #define container_of(ptr, type, member) ({ \ 269 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 270 (type *)( (char *)__mptr - offsetof(type,member) );}) 271 272 /* 273 * Function Prototypes 274 */ 275 276 void hang (void) __attribute__ ((noreturn)); 277 278 int timer_init(void); 279 int cpu_init(void); 280 281 /* */ 282 phys_size_t initdram (int); 283 int display_options (void); 284 void print_size(unsigned long long, const char *); 285 int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); 286 287 /* common/main.c */ 288 void main_loop (void); 289 int run_command(const char *cmd, int flag); 290 int readline (const char *const prompt); 291 int readline_into_buffer(const char *const prompt, char *buffer, 292 int timeout); 293 int parse_line (char *, char *[]); 294 void init_cmd_timeout(void); 295 void reset_cmd_timeout(void); 296 #ifdef CONFIG_MENU 297 int abortboot(int bootdelay); 298 #endif 299 extern char console_buffer[]; 300 301 /* arch/$(ARCH)/lib/board.c */ 302 void board_init_f (ulong) __attribute__ ((noreturn)); 303 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 304 int checkboard (void); 305 int checkflash (void); 306 int checkdram (void); 307 int last_stage_init(void); 308 extern ulong monitor_flash_len; 309 int mac_read_from_eeprom(void); 310 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 311 int set_cpu_clk_info(void); 312 313 /* common/flash.c */ 314 void flash_perror (int); 315 316 /* common/cmd_source.c */ 317 int source (ulong addr, const char *fit_uname); 318 319 extern ulong load_addr; /* Default Load Address */ 320 extern ulong save_addr; /* Default Save Address */ 321 extern ulong save_size; /* Default Save Size */ 322 323 /* common/cmd_doc.c */ 324 void doc_probe(unsigned long physadr); 325 326 /* common/cmd_net.c */ 327 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 328 329 /* common/cmd_fat.c */ 330 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 331 332 /* common/cmd_ext2.c */ 333 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 334 335 /* common/cmd_nvedit.c */ 336 int env_init (void); 337 void env_relocate (void); 338 int envmatch (uchar *, int); 339 char *getenv (const char *); 340 int getenv_f (const char *name, char *buf, unsigned len); 341 ulong getenv_ulong(const char *name, int base, ulong default_val); 342 int saveenv (void); 343 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 344 int inline setenv (const char *, const char *); 345 #else 346 int setenv (const char *, const char *); 347 int setenv_ulong(const char *varname, ulong value); 348 int setenv_addr(const char *varname, const void *addr); 349 #endif /* CONFIG_PPC */ 350 #ifdef CONFIG_ARM 351 # include <asm/mach-types.h> 352 # include <asm/setup.h> 353 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 354 #endif /* CONFIG_ARM */ 355 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 356 # include <asm/u-boot-x86.h> 357 #endif /* CONFIG_X86 */ 358 #ifdef CONFIG_SANDBOX 359 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 360 #endif 361 #ifdef CONFIG_NDS32 362 # include <asm/mach-types.h> 363 # include <asm/u-boot-nds32.h> 364 #endif /* CONFIG_NDS32 */ 365 #ifdef CONFIG_MIPS 366 # include <asm/u-boot-mips.h> 367 #endif /* CONFIG_MIPS */ 368 369 #ifdef CONFIG_AUTO_COMPLETE 370 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 371 #endif 372 int get_env_id (void); 373 374 void pci_init (void); 375 void pci_init_board(void); 376 void pciinfo (int, int); 377 378 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 379 int pci_pre_init (struct pci_controller *); 380 int is_pci_host (struct pci_controller *); 381 #endif 382 383 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 384 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 385 void pci_target_init (struct pci_controller *); 386 # endif 387 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 388 void pci_master_init (struct pci_controller *); 389 # endif 390 #if defined(CONFIG_440SPE) || \ 391 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 392 defined(CONFIG_405EX) 393 void pcie_setup_hoses(int busno); 394 #endif 395 #endif 396 397 int misc_init_f (void); 398 int misc_init_r (void); 399 400 /* common/exports.c */ 401 void jumptable_init(void); 402 403 /* common/kallsysm.c */ 404 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 405 406 /* api/api.c */ 407 void api_init (void); 408 409 /* common/memsize.c */ 410 long get_ram_size (long *, long); 411 412 /* $(BOARD)/$(BOARD).c */ 413 void reset_phy (void); 414 void fdc_hw_init (void); 415 416 /* $(BOARD)/eeprom.c */ 417 void eeprom_init (void); 418 #ifndef CONFIG_SPI 419 int eeprom_probe (unsigned dev_addr, unsigned offset); 420 #endif 421 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 422 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 423 #ifdef CONFIG_LWMON 424 extern uchar pic_read (uchar reg); 425 extern void pic_write (uchar reg, uchar val); 426 #endif 427 428 /* 429 * Set this up regardless of board 430 * type, to prevent errors. 431 */ 432 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 433 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 434 #else 435 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 436 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 437 #endif 438 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 439 440 #if defined(CONFIG_SPI) 441 extern void spi_init_f (void); 442 extern void spi_init_r (void); 443 extern ssize_t spi_read (uchar *, int, uchar *, int); 444 extern ssize_t spi_write (uchar *, int, uchar *, int); 445 #endif 446 447 #ifdef CONFIG_RPXCLASSIC 448 void rpxclassic_init (void); 449 #endif 450 451 void rpxlite_init (void); 452 453 #ifdef CONFIG_MBX 454 /* $(BOARD)/mbx8xx.c */ 455 void mbx_init (void); 456 void board_serial_init (void); 457 void board_ether_init (void); 458 #endif 459 460 #ifdef CONFIG_HERMES 461 /* $(BOARD)/hermes.c */ 462 void hermes_start_lxt980 (int speed); 463 #endif 464 465 #ifdef CONFIG_EVB64260 466 void evb64260_init(void); 467 void debug_led(int, int); 468 void display_mem_map(void); 469 void perform_soft_reset(void); 470 #endif 471 472 /* $(BOARD)/$(BOARD).c */ 473 int board_early_init_f (void); 474 int board_late_init (void); 475 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 476 int board_early_init_r (void); 477 void board_poweroff (void); 478 479 #if defined(CONFIG_SYS_DRAM_TEST) 480 int testdram(void); 481 #endif /* CONFIG_SYS_DRAM_TEST */ 482 483 /* $(CPU)/start.S */ 484 #if defined(CONFIG_5xx) || \ 485 defined(CONFIG_8xx) 486 uint get_immr (uint); 487 #endif 488 uint get_pir (void); 489 #if defined(CONFIG_MPC5xxx) 490 uint get_svr (void); 491 #endif 492 uint get_pvr (void); 493 uint get_svr (void); 494 uint rd_ic_cst (void); 495 void wr_ic_cst (uint); 496 void wr_ic_adr (uint); 497 uint rd_dc_cst (void); 498 void wr_dc_cst (uint); 499 void wr_dc_adr (uint); 500 int icache_status (void); 501 void icache_enable (void); 502 void icache_disable(void); 503 int dcache_status (void); 504 void dcache_enable (void); 505 void dcache_disable(void); 506 void mmu_disable(void); 507 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); 508 ulong get_endaddr (void); 509 void trap_init (ulong); 510 #if defined (CONFIG_4xx) || \ 511 defined (CONFIG_MPC5xxx) || \ 512 defined (CONFIG_74xx_7xx) || \ 513 defined (CONFIG_74x) || \ 514 defined (CONFIG_75x) || \ 515 defined (CONFIG_74xx) || \ 516 defined (CONFIG_MPC8220) || \ 517 defined (CONFIG_MPC85xx) || \ 518 defined (CONFIG_MPC86xx) || \ 519 defined (CONFIG_MPC83xx) 520 unsigned char in8(unsigned int); 521 void out8(unsigned int, unsigned char); 522 unsigned short in16(unsigned int); 523 unsigned short in16r(unsigned int); 524 void out16(unsigned int, unsigned short value); 525 void out16r(unsigned int, unsigned short value); 526 unsigned long in32(unsigned int); 527 unsigned long in32r(unsigned int); 528 void out32(unsigned int, unsigned long value); 529 void out32r(unsigned int, unsigned long value); 530 void ppcDcbf(unsigned long value); 531 void ppcDcbi(unsigned long value); 532 void ppcSync(void); 533 void ppcDcbz(unsigned long value); 534 #endif 535 #if defined (CONFIG_MICROBLAZE) 536 unsigned short in16(unsigned int); 537 void out16(unsigned int, unsigned short value); 538 #endif 539 540 #if defined (CONFIG_MPC83xx) 541 void ppcDWload(unsigned int *addr, unsigned int *ret); 542 void ppcDWstore(unsigned int *addr, unsigned int *value); 543 void disable_addr_trans(void); 544 void enable_addr_trans(void); 545 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 546 void ddr_enable_ecc(unsigned int dram_size); 547 #endif 548 #endif 549 550 /* $(CPU)/cpu.c */ 551 static inline int cpumask_next(int cpu, unsigned int mask) 552 { 553 for (cpu++; !((1 << cpu) & mask); cpu++) 554 ; 555 556 return cpu; 557 } 558 559 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 560 for (iter = 0, cpu = cpumask_next(-1, mask); \ 561 iter < num_cpus; \ 562 iter++, cpu = cpumask_next(cpu, mask)) \ 563 564 int cpu_numcores (void); 565 u32 cpu_mask (void); 566 int is_core_valid (unsigned int); 567 int probecpu (void); 568 int checkcpu (void); 569 int checkicache (void); 570 int checkdcache (void); 571 void upmconfig (unsigned int, unsigned int *, unsigned int); 572 ulong get_tbclk (void); 573 void reset_cpu (ulong addr); 574 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 575 void ft_cpu_setup(void *blob, bd_t *bd); 576 #ifdef CONFIG_PCI 577 void ft_pci_setup(void *blob, bd_t *bd); 578 #endif 579 #endif 580 581 582 /* $(CPU)/serial.c */ 583 int serial_init (void); 584 void serial_setbrg (void); 585 void serial_putc (const char); 586 void serial_putc_raw(const char); 587 void serial_puts (const char *); 588 int serial_getc (void); 589 int serial_tstc (void); 590 591 void _serial_setbrg (const int); 592 void _serial_putc (const char, const int); 593 void _serial_putc_raw(const char, const int); 594 void _serial_puts (const char *, const int); 595 int _serial_getc (const int); 596 int _serial_tstc (const int); 597 598 /* $(CPU)/speed.c */ 599 int get_clocks (void); 600 int get_clocks_866 (void); 601 int sdram_adjust_866 (void); 602 int adjust_sdram_tbs_8xx (void); 603 #if defined(CONFIG_8260) 604 int prt_8260_clks (void); 605 #elif defined(CONFIG_MPC5xxx) 606 int prt_mpc5xxx_clks (void); 607 #endif 608 #if defined(CONFIG_MPC512X) 609 int prt_mpc512xxx_clks (void); 610 #endif 611 #if defined(CONFIG_MPC8220) 612 int prt_mpc8220_clks (void); 613 #endif 614 #ifdef CONFIG_4xx 615 ulong get_OPB_freq (void); 616 ulong get_PCI_freq (void); 617 #endif 618 #if defined(CONFIG_S3C24X0) || \ 619 defined(CONFIG_LH7A40X) || \ 620 defined(CONFIG_S3C6400) || \ 621 defined(CONFIG_EP93XX) 622 ulong get_FCLK (void); 623 ulong get_HCLK (void); 624 ulong get_PCLK (void); 625 ulong get_UCLK (void); 626 #endif 627 #if defined(CONFIG_LH7A40X) 628 ulong get_PLLCLK (void); 629 #endif 630 #if defined CONFIG_INCA_IP 631 uint incaip_get_cpuclk (void); 632 #endif 633 #if defined(CONFIG_IMX) 634 ulong get_systemPLLCLK(void); 635 ulong get_FCLK(void); 636 ulong get_HCLK(void); 637 ulong get_BCLK(void); 638 ulong get_PERCLK1(void); 639 ulong get_PERCLK2(void); 640 ulong get_PERCLK3(void); 641 #endif 642 ulong get_bus_freq (ulong); 643 int get_serial_clock(void); 644 645 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 646 ulong get_ddr_freq(ulong); 647 #endif 648 #if defined(CONFIG_MPC85xx) 649 typedef MPC85xx_SYS_INFO sys_info_t; 650 void get_sys_info ( sys_info_t * ); 651 #endif 652 #if defined(CONFIG_MPC86xx) 653 typedef MPC86xx_SYS_INFO sys_info_t; 654 void get_sys_info ( sys_info_t * ); 655 static inline ulong get_ddr_freq(ulong dummy) 656 { 657 return get_bus_freq(dummy); 658 } 659 #endif 660 661 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 662 # if defined(CONFIG_440) 663 # if defined(CONFIG_440SPE) 664 unsigned long determine_sysper(void); 665 unsigned long determine_pci_clock_per(void); 666 # endif 667 # endif 668 typedef PPC4xx_SYS_INFO sys_info_t; 669 int ppc440spe_revB(void); 670 void get_sys_info ( sys_info_t * ); 671 #endif 672 673 /* $(CPU)/cpu_init.c */ 674 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 675 void cpu_init_f (volatile immap_t *immr); 676 #endif 677 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 678 void cpu_init_f (void); 679 #endif 680 681 int cpu_init_r (void); 682 #if defined(CONFIG_8260) 683 int prt_8260_rsr (void); 684 #elif defined(CONFIG_MPC83xx) 685 int prt_83xx_rsr (void); 686 #endif 687 688 /* $(CPU)/interrupts.c */ 689 int interrupt_init (void); 690 void timer_interrupt (struct pt_regs *); 691 void external_interrupt (struct pt_regs *); 692 void irq_install_handler(int, interrupt_handler_t *, void *); 693 void irq_free_handler (int); 694 void reset_timer (void); 695 ulong get_timer (ulong base); 696 void enable_interrupts (void); 697 int disable_interrupts (void); 698 699 /* $(CPU)/.../commproc.c */ 700 int dpram_init (void); 701 uint dpram_base(void); 702 uint dpram_base_align(uint align); 703 uint dpram_alloc(uint size); 704 uint dpram_alloc_align(uint size,uint align); 705 void bootcount_store (ulong); 706 ulong bootcount_load (void); 707 #define BOOTCOUNT_MAGIC 0xB001C041 708 709 /* $(CPU)/.../<eth> */ 710 void mii_init (void); 711 712 /* $(CPU)/.../lcd.c */ 713 ulong lcd_setmem (ulong); 714 715 /* $(CPU)/.../video.c */ 716 ulong video_setmem (ulong); 717 718 /* arch/$(ARCH)/lib/cache.c */ 719 void enable_caches(void); 720 void flush_cache (unsigned long, unsigned long); 721 void flush_dcache_all(void); 722 void flush_dcache_range(unsigned long start, unsigned long stop); 723 void invalidate_dcache_range(unsigned long start, unsigned long stop); 724 void invalidate_dcache_all(void); 725 void invalidate_icache_all(void); 726 727 /* arch/$(ARCH)/lib/ticks.S */ 728 unsigned long long get_ticks(void); 729 void wait_ticks (unsigned long); 730 731 /* arch/$(ARCH)/lib/time.c */ 732 void __udelay (unsigned long); 733 ulong usec2ticks (unsigned long usec); 734 ulong ticks2usec (unsigned long ticks); 735 int init_timebase (void); 736 737 /* lib/gunzip.c */ 738 int gunzip(void *, int, unsigned char *, unsigned long *); 739 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 740 int stoponerr, int offset); 741 742 /* lib/qsort.c */ 743 void qsort(void *base, size_t nmemb, size_t size, 744 int(*compar)(const void *, const void *)); 745 int strcmp_compar(const void *, const void *); 746 747 /* lib/time.c */ 748 void udelay (unsigned long); 749 void mdelay(unsigned long); 750 751 /* lib/uuid.c */ 752 void uuid_str_to_bin(const char *uuid, unsigned char *out); 753 int uuid_str_valid(const char *uuid); 754 755 /* lib/vsprintf.c */ 756 #include <vsprintf.h> 757 758 /* lib/strmhz.c */ 759 char * strmhz(char *buf, unsigned long hz); 760 761 /* lib/crc32.c */ 762 #include <u-boot/crc.h> 763 764 /* lib/rand.c */ 765 #if defined(CONFIG_RANDOM_MACADDR) || \ 766 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 767 defined(CONFIG_CMD_LINK_LOCAL) 768 #define RAND_MAX -1U 769 void srand(unsigned int seed); 770 unsigned int rand(void); 771 unsigned int rand_r(unsigned int *seedp); 772 #endif 773 774 /* common/console.c */ 775 int console_init_f(void); /* Before relocation; uses the serial stuff */ 776 int console_init_r(void); /* After relocation; uses the console stuff */ 777 int console_assign(int file, const char *devname); /* Assign the console */ 778 int ctrlc (void); 779 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 780 void clear_ctrlc (void); /* clear the Control-C condition */ 781 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 782 783 /* 784 * STDIO based functions (can always be used) 785 */ 786 /* serial stuff */ 787 int serial_printf (const char *fmt, ...) 788 __attribute__ ((format (__printf__, 1, 2))); 789 /* stdin */ 790 int getc(void); 791 int tstc(void); 792 793 /* stdout */ 794 void putc(const char c); 795 void puts(const char *s); 796 int printf(const char *fmt, ...) 797 __attribute__ ((format (__printf__, 1, 2))); 798 int vprintf(const char *fmt, va_list args); 799 800 /* stderr */ 801 #define eputc(c) fputc(stderr, c) 802 #define eputs(s) fputs(stderr, s) 803 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 804 805 /* 806 * FILE based functions (can only be used AFTER relocation!) 807 */ 808 #define stdin 0 809 #define stdout 1 810 #define stderr 2 811 #define MAX_FILES 3 812 813 int fprintf(int file, const char *fmt, ...) 814 __attribute__ ((format (__printf__, 2, 3))); 815 void fputs(int file, const char *s); 816 void fputc(int file, const char c); 817 int ftstc(int file); 818 int fgetc(int file); 819 820 /* lib/net_utils.c */ 821 #include <net.h> 822 static inline IPaddr_t getenv_IPaddr(char *var) 823 { 824 return string_to_ip(getenv(var)); 825 } 826 827 /* 828 * CONSOLE multiplexing. 829 */ 830 #ifdef CONFIG_CONSOLE_MUX 831 #include <iomux.h> 832 #endif 833 834 int pcmcia_init (void); 835 836 #ifdef CONFIG_STATUS_LED 837 # include <status_led.h> 838 #endif 839 840 #include <bootstage.h> 841 842 #ifdef CONFIG_SHOW_ACTIVITY 843 void show_activity(int arg); 844 #endif 845 846 /* Multicore arch functions */ 847 #ifdef CONFIG_MP 848 int cpu_status(int nr); 849 int cpu_reset(int nr); 850 int cpu_disable(int nr); 851 int cpu_release(int nr, int argc, char * const argv[]); 852 #endif 853 854 #endif /* __ASSEMBLY__ */ 855 856 #ifdef CONFIG_PPC 857 /* 858 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 859 * Otherwise might lead to compilation errors in assembler files. 860 */ 861 #include <asm/cache.h> 862 #endif 863 864 /* Put only stuff here that the assembler can digest */ 865 866 #ifdef CONFIG_POST 867 #define CONFIG_HAS_POST 868 #ifndef CONFIG_POST_ALT_LIST 869 #define CONFIG_POST_STD_LIST 870 #endif 871 #endif 872 873 #ifdef CONFIG_INIT_CRITICAL 874 #error CONFIG_INIT_CRITICAL is deprecated! 875 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 876 #endif 877 878 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 879 880 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 881 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 882 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 883 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 884 885 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 886 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 887 888 /* 889 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 890 * is used to align DMA buffers. 891 */ 892 #ifndef __ASSEMBLY__ 893 #include <asm/cache.h> 894 #endif 895 896 /* 897 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 898 * stack that meets the minimum architecture alignment requirements for DMA. 899 * Such a buffer is useful for DMA operations where flushing and invalidating 900 * the cache before and after a read and/or write operation is required for 901 * correct operations. 902 * 903 * When called the macro creates an array on the stack that is sized such 904 * that: 905 * 906 * 1) The beginning of the array can be advanced enough to be aligned. 907 * 908 * 2) The size of the aligned portion of the array is a multiple of the minimum 909 * architecture alignment required for DMA. 910 * 911 * 3) The aligned portion contains enough space for the original number of 912 * elements requested. 913 * 914 * The macro then creates a pointer to the aligned portion of this array and 915 * assigns to the pointer the address of the first element in the aligned 916 * portion of the array. 917 * 918 * Calling the macro as: 919 * 920 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 921 * 922 * Will result in something similar to saying: 923 * 924 * uint32_t buffer[1024]; 925 * 926 * The following differences exist: 927 * 928 * 1) The resulting buffer is guaranteed to be aligned to the value of 929 * ARCH_DMA_MINALIGN. 930 * 931 * 2) The buffer variable created by the macro is a pointer to the specified 932 * type, and NOT an array of the specified type. This can be very important 933 * if you want the address of the buffer, which you probably do, to pass it 934 * to the DMA hardware. The value of &buffer is different in the two cases. 935 * In the macro case it will be the address of the pointer, not the address 936 * of the space reserved for the buffer. However, in the second case it 937 * would be the address of the buffer. So if you are replacing hard coded 938 * stack buffers with this macro you need to make sure you remove the & from 939 * the locations where you are taking the address of the buffer. 940 * 941 * Note that the size parameter is the number of array elements to allocate, 942 * not the number of bytes. 943 * 944 * This macro can not be used outside of function scope, or for the creation 945 * of a function scoped static buffer. It can not be used to create a cache 946 * line aligned global buffer. 947 */ 948 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 949 char __##name[ROUND(size * sizeof(type), align) + (align - 1)]; \ 950 \ 951 type *name = (type *) ALIGN((uintptr_t)__##name, align) 952 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 953 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 954 955 /* 956 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 957 * purpose is to allow allocating aligned buffers outside of function scope. 958 * Usage of this macro shall be avoided or used with extreme care! 959 */ 960 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 961 static char __##name[roundup(size * sizeof(type), align)] \ 962 __aligned(align); \ 963 \ 964 static type *name = (type *)__##name 965 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 966 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 967 968 /* Pull in stuff for the build system */ 969 #ifdef DO_DEPS_ONLY 970 # include <environment.h> 971 #endif 972 973 #endif /* __COMMON_H_ */ 974