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