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 <asm/ptrace.h> 43 #include <stdarg.h> 44 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 45 #include <pci.h> 46 #endif 47 #if defined(CONFIG_8xx) 48 #include <asm/8xx_immap.h> 49 #if defined(CONFIG_MPC852) || defined(CONFIG_MPC852T) || \ 50 defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 51 defined(CONFIG_MPC859DSL) || \ 52 defined(CONFIG_MPC866) || defined(CONFIG_MPC866T) || \ 53 defined(CONFIG_MPC866P) 54 # define CONFIG_MPC866_FAMILY 1 55 #elif defined(CONFIG_MPC870) \ 56 || defined(CONFIG_MPC875) \ 57 || defined(CONFIG_MPC880) \ 58 || defined(CONFIG_MPC885) 59 # define CONFIG_MPC885_FAMILY 1 60 #endif 61 #if defined(CONFIG_MPC860) \ 62 || defined(CONFIG_MPC860T) \ 63 || defined(CONFIG_MPC866_FAMILY) \ 64 || defined(CONFIG_MPC885_FAMILY) 65 # define CONFIG_MPC86x 1 66 #endif 67 #elif defined(CONFIG_5xx) 68 #include <asm/5xx_immap.h> 69 #elif defined(CONFIG_MPC5xxx) 70 #include <mpc5xxx.h> 71 #elif defined(CONFIG_MPC512X) 72 #include <asm/immap_512x.h> 73 #elif defined(CONFIG_MPC8220) 74 #include <asm/immap_8220.h> 75 #elif defined(CONFIG_8260) 76 #if defined(CONFIG_MPC8247) \ 77 || defined(CONFIG_MPC8248) \ 78 || defined(CONFIG_MPC8271) \ 79 || defined(CONFIG_MPC8272) 80 #define CONFIG_MPC8272_FAMILY 1 81 #endif 82 #if defined(CONFIG_MPC8272_FAMILY) 83 #define CONFIG_MPC8260 1 84 #endif 85 #include <asm/immap_8260.h> 86 #endif 87 #ifdef CONFIG_MPC86xx 88 #include <mpc86xx.h> 89 #include <asm/immap_86xx.h> 90 #endif 91 #ifdef CONFIG_MPC85xx 92 #include <mpc85xx.h> 93 #include <asm/immap_85xx.h> 94 #endif 95 #ifdef CONFIG_MPC83xx 96 #include <mpc83xx.h> 97 #include <asm/immap_83xx.h> 98 #endif 99 #ifdef CONFIG_4xx 100 #include <asm/ppc4xx.h> 101 #endif 102 #ifdef CONFIG_HYMOD 103 #include <board/hymod/hymod.h> 104 #endif 105 #ifdef CONFIG_ARM 106 #define asmlinkage /* nothing */ 107 #endif 108 #ifdef CONFIG_BLACKFIN 109 #include <asm/blackfin.h> 110 #endif 111 #ifdef CONFIG_SOC_DA8XX 112 #include <asm/arch/hardware.h> 113 #endif 114 115 #include <part.h> 116 #include <flash.h> 117 #include <image.h> 118 119 #ifdef DEBUG 120 #define _DEBUG 1 121 #else 122 #define _DEBUG 0 123 #endif 124 125 /* 126 * Output a debug text when condition "cond" is met. The "cond" should be 127 * computed by a preprocessor in the best case, allowing for the best 128 * optimization. 129 */ 130 #define debug_cond(cond, fmt, args...) \ 131 do { \ 132 if (cond) \ 133 printf(fmt, ##args); \ 134 } while (0) 135 136 #define debug(fmt, args...) \ 137 debug_cond(_DEBUG, fmt, ##args) 138 139 /* 140 * An assertion is run-time check done in debug mode only. If DEBUG is not 141 * defined then it is skipped. If DEBUG is defined and the assertion fails, 142 * then it calls panic*( which may or may not reset/halt U-Boot (see 143 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 144 * before release, and after release it is hoped that they don't matter. But 145 * in any case these failing assertions cannot be fixed with a reset (which 146 * may just do the same assertion again). 147 */ 148 void __assert_fail(const char *assertion, const char *file, unsigned line, 149 const char *function); 150 #define assert(x) \ 151 ({ if (!(x) && _DEBUG) \ 152 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 153 154 #define error(fmt, args...) do { \ 155 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 156 ##args, __FILE__, __LINE__, __func__); \ 157 } while (0) 158 159 #ifndef BUG 160 #define BUG() do { \ 161 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 162 panic("BUG!"); \ 163 } while (0) 164 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 165 #endif /* BUG */ 166 167 /* Force a compilation error if condition is true */ 168 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 169 170 typedef void (interrupt_handler_t)(void *); 171 172 #include <asm/u-boot.h> /* boot information for Linux kernel */ 173 #include <asm/global_data.h> /* global data used for startup functions */ 174 175 /* 176 * enable common handling for all TQM8xxL/M boards: 177 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 178 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 179 * and for the TQM885D board 180 */ 181 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 182 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 183 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 184 # ifndef CONFIG_TQM8xxM 185 # define CONFIG_TQM8xxM 186 # endif 187 #endif 188 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 189 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 190 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 191 defined(CONFIG_TQM885D) 192 # ifndef CONFIG_TQM8xxL 193 # define CONFIG_TQM8xxL 194 # endif 195 #endif 196 197 #ifndef CONFIG_SERIAL_MULTI 198 199 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 200 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 201 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 202 203 #define CONFIG_SERIAL_MULTI 1 204 205 #endif 206 207 #endif /* CONFIG_SERIAL_MULTI */ 208 209 /* 210 * General Purpose Utilities 211 */ 212 #define min(X, Y) \ 213 ({ typeof (X) __x = (X); \ 214 typeof (Y) __y = (Y); \ 215 (__x < __y) ? __x : __y; }) 216 217 #define max(X, Y) \ 218 ({ typeof (X) __x = (X); \ 219 typeof (Y) __y = (Y); \ 220 (__x > __y) ? __x : __y; }) 221 222 #define MIN(x, y) min(x, y) 223 #define MAX(x, y) max(x, y) 224 225 /* 226 * Return the absolute value of a number. 227 * 228 * This handles unsigned and signed longs, ints, shorts and chars. For all 229 * input types abs() returns a signed long. 230 * 231 * For 64-bit types, use abs64() 232 */ 233 #define abs(x) ({ \ 234 long ret; \ 235 if (sizeof(x) == sizeof(long)) { \ 236 long __x = (x); \ 237 ret = (__x < 0) ? -__x : __x; \ 238 } else { \ 239 int __x = (x); \ 240 ret = (__x < 0) ? -__x : __x; \ 241 } \ 242 ret; \ 243 }) 244 245 #define abs64(x) ({ \ 246 s64 __x = (x); \ 247 (__x < 0) ? -__x : __x; \ 248 }) 249 250 #if defined(CONFIG_ENV_IS_EMBEDDED) 251 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 252 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 253 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 254 defined(CONFIG_ENV_IS_IN_NVRAM) 255 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 256 #else 257 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 258 #endif 259 260 /** 261 * container_of - cast a member of a structure out to the containing structure 262 * @ptr: the pointer to the member. 263 * @type: the type of the container struct this is embedded in. 264 * @member: the name of the member within the struct. 265 * 266 */ 267 #define container_of(ptr, type, member) ({ \ 268 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 269 (type *)( (char *)__mptr - offsetof(type,member) );}) 270 271 /* 272 * Function Prototypes 273 */ 274 275 void hang (void) __attribute__ ((noreturn)); 276 277 int timer_init(void); 278 int cpu_init(void); 279 280 /* */ 281 phys_size_t initdram (int); 282 int display_options (void); 283 void print_size(unsigned long long, const char *); 284 int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); 285 286 /* common/main.c */ 287 void main_loop (void); 288 int run_command(const char *cmd, int flag); 289 int readline (const char *const prompt); 290 int readline_into_buffer(const char *const prompt, char *buffer, 291 int timeout); 292 int parse_line (char *, char *[]); 293 void init_cmd_timeout(void); 294 void reset_cmd_timeout(void); 295 #ifdef CONFIG_MENU 296 int abortboot(int bootdelay); 297 #endif 298 extern char console_buffer[]; 299 300 /* arch/$(ARCH)/lib/board.c */ 301 void board_init_f (ulong) __attribute__ ((noreturn)); 302 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 303 int checkboard (void); 304 int checkflash (void); 305 int checkdram (void); 306 int last_stage_init(void); 307 extern ulong monitor_flash_len; 308 int mac_read_from_eeprom(void); 309 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 310 int set_cpu_clk_info(void); 311 312 /* common/flash.c */ 313 void flash_perror (int); 314 315 /* common/cmd_source.c */ 316 int source (ulong addr, const char *fit_uname); 317 318 extern ulong load_addr; /* Default Load Address */ 319 extern ulong save_addr; /* Default Save Address */ 320 extern ulong save_size; /* Default Save Size */ 321 322 /* common/cmd_doc.c */ 323 void doc_probe(unsigned long physadr); 324 325 /* common/cmd_net.c */ 326 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 327 328 /* common/cmd_nvedit.c */ 329 int env_init (void); 330 void env_relocate (void); 331 int envmatch (uchar *, int); 332 char *getenv (const char *); 333 int getenv_f (const char *name, char *buf, unsigned len); 334 ulong getenv_ulong(const char *name, int base, ulong default_val); 335 int saveenv (void); 336 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 337 int inline setenv (const char *, const char *); 338 #else 339 int setenv (const char *, const char *); 340 int setenv_ulong(const char *varname, ulong value); 341 int setenv_addr(const char *varname, const void *addr); 342 #endif /* CONFIG_PPC */ 343 #ifdef CONFIG_ARM 344 # include <asm/mach-types.h> 345 # include <asm/setup.h> 346 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 347 #endif /* CONFIG_ARM */ 348 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 349 # include <asm/u-boot-x86.h> 350 #endif /* CONFIG_X86 */ 351 #ifdef CONFIG_SANDBOX 352 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 353 #endif 354 #ifdef CONFIG_NDS32 355 # include <asm/mach-types.h> 356 # include <asm/u-boot-nds32.h> 357 #endif /* CONFIG_NDS32 */ 358 359 #ifdef CONFIG_AUTO_COMPLETE 360 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 361 #endif 362 int get_env_id (void); 363 364 void pci_init (void); 365 void pci_init_board(void); 366 void pciinfo (int, int); 367 368 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 369 int pci_pre_init (struct pci_controller *); 370 int is_pci_host (struct pci_controller *); 371 #endif 372 373 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 374 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 375 void pci_target_init (struct pci_controller *); 376 # endif 377 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 378 void pci_master_init (struct pci_controller *); 379 # endif 380 #if defined(CONFIG_440SPE) || \ 381 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 382 defined(CONFIG_405EX) 383 void pcie_setup_hoses(int busno); 384 #endif 385 #endif 386 387 int misc_init_f (void); 388 int misc_init_r (void); 389 390 /* common/exports.c */ 391 void jumptable_init(void); 392 393 /* common/kallsysm.c */ 394 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 395 396 /* api/api.c */ 397 void api_init (void); 398 399 /* common/memsize.c */ 400 long get_ram_size (long *, long); 401 402 /* $(BOARD)/$(BOARD).c */ 403 void reset_phy (void); 404 void fdc_hw_init (void); 405 406 /* $(BOARD)/eeprom.c */ 407 void eeprom_init (void); 408 #ifndef CONFIG_SPI 409 int eeprom_probe (unsigned dev_addr, unsigned offset); 410 #endif 411 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 412 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 413 #ifdef CONFIG_LWMON 414 extern uchar pic_read (uchar reg); 415 extern void pic_write (uchar reg, uchar val); 416 #endif 417 418 /* 419 * Set this up regardless of board 420 * type, to prevent errors. 421 */ 422 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 423 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 424 #else 425 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 426 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 427 #endif 428 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 429 430 #if defined(CONFIG_SPI) 431 extern void spi_init_f (void); 432 extern void spi_init_r (void); 433 extern ssize_t spi_read (uchar *, int, uchar *, int); 434 extern ssize_t spi_write (uchar *, int, uchar *, int); 435 #endif 436 437 #ifdef CONFIG_RPXCLASSIC 438 void rpxclassic_init (void); 439 #endif 440 441 void rpxlite_init (void); 442 443 #ifdef CONFIG_MBX 444 /* $(BOARD)/mbx8xx.c */ 445 void mbx_init (void); 446 void board_serial_init (void); 447 void board_ether_init (void); 448 #endif 449 450 #ifdef CONFIG_HERMES 451 /* $(BOARD)/hermes.c */ 452 void hermes_start_lxt980 (int speed); 453 #endif 454 455 #ifdef CONFIG_EVB64260 456 void evb64260_init(void); 457 void debug_led(int, int); 458 void display_mem_map(void); 459 void perform_soft_reset(void); 460 #endif 461 462 /* $(BOARD)/$(BOARD).c */ 463 int board_early_init_f (void); 464 int board_late_init (void); 465 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 466 int board_early_init_r (void); 467 void board_poweroff (void); 468 469 #if defined(CONFIG_SYS_DRAM_TEST) 470 int testdram(void); 471 #endif /* CONFIG_SYS_DRAM_TEST */ 472 473 /* $(CPU)/start.S */ 474 #if defined(CONFIG_5xx) || \ 475 defined(CONFIG_8xx) 476 uint get_immr (uint); 477 #endif 478 uint get_pir (void); 479 #if defined(CONFIG_MPC5xxx) 480 uint get_svr (void); 481 #endif 482 uint get_pvr (void); 483 uint get_svr (void); 484 uint rd_ic_cst (void); 485 void wr_ic_cst (uint); 486 void wr_ic_adr (uint); 487 uint rd_dc_cst (void); 488 void wr_dc_cst (uint); 489 void wr_dc_adr (uint); 490 int icache_status (void); 491 void icache_enable (void); 492 void icache_disable(void); 493 int dcache_status (void); 494 void dcache_enable (void); 495 void dcache_disable(void); 496 void mmu_disable(void); 497 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); 498 ulong get_endaddr (void); 499 void trap_init (ulong); 500 #if defined (CONFIG_4xx) || \ 501 defined (CONFIG_MPC5xxx) || \ 502 defined (CONFIG_74xx_7xx) || \ 503 defined (CONFIG_74x) || \ 504 defined (CONFIG_75x) || \ 505 defined (CONFIG_74xx) || \ 506 defined (CONFIG_MPC8220) || \ 507 defined (CONFIG_MPC85xx) || \ 508 defined (CONFIG_MPC86xx) || \ 509 defined (CONFIG_MPC83xx) 510 unsigned char in8(unsigned int); 511 void out8(unsigned int, unsigned char); 512 unsigned short in16(unsigned int); 513 unsigned short in16r(unsigned int); 514 void out16(unsigned int, unsigned short value); 515 void out16r(unsigned int, unsigned short value); 516 unsigned long in32(unsigned int); 517 unsigned long in32r(unsigned int); 518 void out32(unsigned int, unsigned long value); 519 void out32r(unsigned int, unsigned long value); 520 void ppcDcbf(unsigned long value); 521 void ppcDcbi(unsigned long value); 522 void ppcSync(void); 523 void ppcDcbz(unsigned long value); 524 #endif 525 #if defined (CONFIG_MICROBLAZE) 526 unsigned short in16(unsigned int); 527 void out16(unsigned int, unsigned short value); 528 #endif 529 530 #if defined (CONFIG_MPC83xx) 531 void ppcDWload(unsigned int *addr, unsigned int *ret); 532 void ppcDWstore(unsigned int *addr, unsigned int *value); 533 void disable_addr_trans(void); 534 void enable_addr_trans(void); 535 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 536 void ddr_enable_ecc(unsigned int dram_size); 537 #endif 538 #endif 539 540 /* $(CPU)/cpu.c */ 541 static inline int cpumask_next(int cpu, unsigned int mask) 542 { 543 for (cpu++; !((1 << cpu) & mask); cpu++) 544 ; 545 546 return cpu; 547 } 548 549 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 550 for (iter = 0, cpu = cpumask_next(-1, mask); \ 551 iter < num_cpus; \ 552 iter++, cpu = cpumask_next(cpu, mask)) \ 553 554 int cpu_numcores (void); 555 u32 cpu_mask (void); 556 int is_core_valid (unsigned int); 557 int probecpu (void); 558 int checkcpu (void); 559 int checkicache (void); 560 int checkdcache (void); 561 void upmconfig (unsigned int, unsigned int *, unsigned int); 562 ulong get_tbclk (void); 563 void reset_cpu (ulong addr); 564 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 565 void ft_cpu_setup(void *blob, bd_t *bd); 566 #ifdef CONFIG_PCI 567 void ft_pci_setup(void *blob, bd_t *bd); 568 #endif 569 #endif 570 571 572 /* $(CPU)/serial.c */ 573 int serial_init (void); 574 void serial_setbrg (void); 575 void serial_putc (const char); 576 void serial_putc_raw(const char); 577 void serial_puts (const char *); 578 int serial_getc (void); 579 int serial_tstc (void); 580 581 void _serial_setbrg (const int); 582 void _serial_putc (const char, const int); 583 void _serial_putc_raw(const char, const int); 584 void _serial_puts (const char *, const int); 585 int _serial_getc (const int); 586 int _serial_tstc (const int); 587 588 /* $(CPU)/speed.c */ 589 int get_clocks (void); 590 int get_clocks_866 (void); 591 int sdram_adjust_866 (void); 592 int adjust_sdram_tbs_8xx (void); 593 #if defined(CONFIG_8260) 594 int prt_8260_clks (void); 595 #elif defined(CONFIG_MPC5xxx) 596 int prt_mpc5xxx_clks (void); 597 #endif 598 #if defined(CONFIG_MPC512X) 599 int prt_mpc512xxx_clks (void); 600 #endif 601 #if defined(CONFIG_MPC8220) 602 int prt_mpc8220_clks (void); 603 #endif 604 #ifdef CONFIG_4xx 605 ulong get_OPB_freq (void); 606 ulong get_PCI_freq (void); 607 #endif 608 #if defined(CONFIG_S3C24X0) || \ 609 defined(CONFIG_LH7A40X) || \ 610 defined(CONFIG_S3C6400) || \ 611 defined(CONFIG_EP93XX) 612 ulong get_FCLK (void); 613 ulong get_HCLK (void); 614 ulong get_PCLK (void); 615 ulong get_UCLK (void); 616 #endif 617 #if defined(CONFIG_LH7A40X) 618 ulong get_PLLCLK (void); 619 #endif 620 #if defined CONFIG_INCA_IP 621 uint incaip_get_cpuclk (void); 622 #endif 623 #if defined(CONFIG_IMX) 624 ulong get_systemPLLCLK(void); 625 ulong get_FCLK(void); 626 ulong get_HCLK(void); 627 ulong get_BCLK(void); 628 ulong get_PERCLK1(void); 629 ulong get_PERCLK2(void); 630 ulong get_PERCLK3(void); 631 #endif 632 ulong get_bus_freq (ulong); 633 int get_serial_clock(void); 634 635 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 636 ulong get_ddr_freq(ulong); 637 #endif 638 #if defined(CONFIG_MPC85xx) 639 typedef MPC85xx_SYS_INFO sys_info_t; 640 void get_sys_info ( sys_info_t * ); 641 #endif 642 #if defined(CONFIG_MPC86xx) 643 typedef MPC86xx_SYS_INFO sys_info_t; 644 void get_sys_info ( sys_info_t * ); 645 static inline ulong get_ddr_freq(ulong dummy) 646 { 647 return get_bus_freq(dummy); 648 } 649 #endif 650 651 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 652 # if defined(CONFIG_440) 653 # if defined(CONFIG_440SPE) 654 unsigned long determine_sysper(void); 655 unsigned long determine_pci_clock_per(void); 656 # endif 657 # endif 658 typedef PPC4xx_SYS_INFO sys_info_t; 659 int ppc440spe_revB(void); 660 void get_sys_info ( sys_info_t * ); 661 #endif 662 663 /* $(CPU)/cpu_init.c */ 664 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 665 void cpu_init_f (volatile immap_t *immr); 666 #endif 667 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 668 void cpu_init_f (void); 669 #endif 670 671 int cpu_init_r (void); 672 #if defined(CONFIG_8260) 673 int prt_8260_rsr (void); 674 #elif defined(CONFIG_MPC83xx) 675 int prt_83xx_rsr (void); 676 #endif 677 678 /* $(CPU)/interrupts.c */ 679 int interrupt_init (void); 680 void timer_interrupt (struct pt_regs *); 681 void external_interrupt (struct pt_regs *); 682 void irq_install_handler(int, interrupt_handler_t *, void *); 683 void irq_free_handler (int); 684 void reset_timer (void); 685 ulong get_timer (ulong base); 686 void enable_interrupts (void); 687 int disable_interrupts (void); 688 689 /* $(CPU)/.../commproc.c */ 690 int dpram_init (void); 691 uint dpram_base(void); 692 uint dpram_base_align(uint align); 693 uint dpram_alloc(uint size); 694 uint dpram_alloc_align(uint size,uint align); 695 void bootcount_store (ulong); 696 ulong bootcount_load (void); 697 #define BOOTCOUNT_MAGIC 0xB001C041 698 699 /* $(CPU)/.../<eth> */ 700 void mii_init (void); 701 702 /* $(CPU)/.../lcd.c */ 703 ulong lcd_setmem (ulong); 704 705 /* $(CPU)/.../video.c */ 706 ulong video_setmem (ulong); 707 708 /* arch/$(ARCH)/lib/cache.c */ 709 void enable_caches(void); 710 void flush_cache (unsigned long, unsigned long); 711 void flush_dcache_all(void); 712 void flush_dcache_range(unsigned long start, unsigned long stop); 713 void invalidate_dcache_range(unsigned long start, unsigned long stop); 714 void invalidate_dcache_all(void); 715 void invalidate_icache_all(void); 716 717 /* arch/$(ARCH)/lib/ticks.S */ 718 unsigned long long get_ticks(void); 719 void wait_ticks (unsigned long); 720 721 /* arch/$(ARCH)/lib/time.c */ 722 void __udelay (unsigned long); 723 ulong usec2ticks (unsigned long usec); 724 ulong ticks2usec (unsigned long ticks); 725 int init_timebase (void); 726 727 /* lib/gunzip.c */ 728 int gunzip(void *, int, unsigned char *, unsigned long *); 729 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 730 int stoponerr, int offset); 731 732 /* lib/qsort.c */ 733 void qsort(void *base, size_t nmemb, size_t size, 734 int(*compar)(const void *, const void *)); 735 int strcmp_compar(const void *, const void *); 736 737 /* lib/time.c */ 738 void udelay (unsigned long); 739 void mdelay(unsigned long); 740 741 /* lib/uuid.c */ 742 void uuid_str_to_bin(const char *uuid, unsigned char *out); 743 int uuid_str_valid(const char *uuid); 744 745 /* lib/vsprintf.c */ 746 #include <vsprintf.h> 747 748 /* lib/strmhz.c */ 749 char * strmhz(char *buf, unsigned long hz); 750 751 /* lib/crc32.c */ 752 #include <u-boot/crc.h> 753 754 /* common/console.c */ 755 int console_init_f(void); /* Before relocation; uses the serial stuff */ 756 int console_init_r(void); /* After relocation; uses the console stuff */ 757 int console_assign(int file, const char *devname); /* Assign the console */ 758 int ctrlc (void); 759 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 760 void clear_ctrlc (void); /* clear the Control-C condition */ 761 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 762 763 /* 764 * STDIO based functions (can always be used) 765 */ 766 /* serial stuff */ 767 int serial_printf (const char *fmt, ...) 768 __attribute__ ((format (__printf__, 1, 2))); 769 /* stdin */ 770 int getc(void); 771 int tstc(void); 772 773 /* stdout */ 774 void putc(const char c); 775 void puts(const char *s); 776 int printf(const char *fmt, ...) 777 __attribute__ ((format (__printf__, 1, 2))); 778 int vprintf(const char *fmt, va_list args); 779 780 /* stderr */ 781 #define eputc(c) fputc(stderr, c) 782 #define eputs(s) fputs(stderr, s) 783 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 784 785 /* 786 * FILE based functions (can only be used AFTER relocation!) 787 */ 788 #define stdin 0 789 #define stdout 1 790 #define stderr 2 791 #define MAX_FILES 3 792 793 int fprintf(int file, const char *fmt, ...) 794 __attribute__ ((format (__printf__, 2, 3))); 795 void fputs(int file, const char *s); 796 void fputc(int file, const char c); 797 int ftstc(int file); 798 int fgetc(int file); 799 800 /* lib/net_utils.c */ 801 #include <net.h> 802 static inline IPaddr_t getenv_IPaddr(char *var) 803 { 804 return string_to_ip(getenv(var)); 805 } 806 807 /* 808 * CONSOLE multiplexing. 809 */ 810 #ifdef CONFIG_CONSOLE_MUX 811 #include <iomux.h> 812 #endif 813 814 int pcmcia_init (void); 815 816 #ifdef CONFIG_STATUS_LED 817 # include <status_led.h> 818 #endif 819 820 #include <bootstage.h> 821 822 #ifdef CONFIG_SHOW_ACTIVITY 823 void show_activity(int arg); 824 #endif 825 826 /* Multicore arch functions */ 827 #ifdef CONFIG_MP 828 int cpu_status(int nr); 829 int cpu_reset(int nr); 830 int cpu_disable(int nr); 831 int cpu_release(int nr, int argc, char * const argv[]); 832 #endif 833 834 #endif /* __ASSEMBLY__ */ 835 836 #ifdef CONFIG_PPC 837 /* 838 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 839 * Otherwise might lead to compilation errors in assembler files. 840 */ 841 #include <asm/cache.h> 842 #endif 843 844 /* Put only stuff here that the assembler can digest */ 845 846 #ifdef CONFIG_POST 847 #define CONFIG_HAS_POST 848 #ifndef CONFIG_POST_ALT_LIST 849 #define CONFIG_POST_STD_LIST 850 #endif 851 #endif 852 853 #ifdef CONFIG_INIT_CRITICAL 854 #error CONFIG_INIT_CRITICAL is deprecated! 855 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 856 #endif 857 858 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 859 860 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 861 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 862 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 863 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 864 865 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 866 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 867 868 /* 869 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 870 * is used to align DMA buffers. 871 */ 872 #ifndef __ASSEMBLY__ 873 #include <asm/cache.h> 874 #endif 875 876 /* 877 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 878 * stack that meets the minimum architecture alignment requirements for DMA. 879 * Such a buffer is useful for DMA operations where flushing and invalidating 880 * the cache before and after a read and/or write operation is required for 881 * correct operations. 882 * 883 * When called the macro creates an array on the stack that is sized such 884 * that: 885 * 886 * 1) The beginning of the array can be advanced enough to be aligned. 887 * 888 * 2) The size of the aligned portion of the array is a multiple of the minimum 889 * architecture alignment required for DMA. 890 * 891 * 3) The aligned portion contains enough space for the original number of 892 * elements requested. 893 * 894 * The macro then creates a pointer to the aligned portion of this array and 895 * assigns to the pointer the address of the first element in the aligned 896 * portion of the array. 897 * 898 * Calling the macro as: 899 * 900 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 901 * 902 * Will result in something similar to saying: 903 * 904 * uint32_t buffer[1024]; 905 * 906 * The following differences exist: 907 * 908 * 1) The resulting buffer is guaranteed to be aligned to the value of 909 * ARCH_DMA_MINALIGN. 910 * 911 * 2) The buffer variable created by the macro is a pointer to the specified 912 * type, and NOT an array of the specified type. This can be very important 913 * if you want the address of the buffer, which you probably do, to pass it 914 * to the DMA hardware. The value of &buffer is different in the two cases. 915 * In the macro case it will be the address of the pointer, not the address 916 * of the space reserved for the buffer. However, in the second case it 917 * would be the address of the buffer. So if you are replacing hard coded 918 * stack buffers with this macro you need to make sure you remove the & from 919 * the locations where you are taking the address of the buffer. 920 * 921 * Note that the size parameter is the number of array elements to allocate, 922 * not the number of bytes. 923 * 924 * This macro can not be used outside of function scope, or for the creation 925 * of a function scoped static buffer. It can not be used to create a cache 926 * line aligned global buffer. 927 */ 928 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 929 char __##name[ROUND(size * sizeof(type), ARCH_DMA_MINALIGN) + \ 930 ARCH_DMA_MINALIGN - 1]; \ 931 \ 932 type *name = (type *) ALIGN((uintptr_t)__##name, ARCH_DMA_MINALIGN) 933 934 /* Pull in stuff for the build system */ 935 #ifdef DO_DEPS_ONLY 936 # include <environment.h> 937 #endif 938 939 #endif /* __COMMON_H_ */ 940