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