1 /* 2 * (C) Copyright 2000-2009 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef __COMMON_H_ 25 #define __COMMON_H_ 1 26 27 #undef _LINUX_CONFIG_H 28 #define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */ 29 30 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 31 32 typedef unsigned char uchar; 33 typedef volatile unsigned long vu_long; 34 typedef volatile unsigned short vu_short; 35 typedef volatile unsigned char vu_char; 36 37 #include <config.h> 38 #include <asm-offsets.h> 39 #include <linux/bitops.h> 40 #include <linux/types.h> 41 #include <linux/string.h> 42 #include <linux/stringify.h> 43 #include <asm/ptrace.h> 44 #include <stdarg.h> 45 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !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); 290 291 /** 292 * Run a list of commands separated by ; or even \0 293 * 294 * Note that if 'len' is not -1, then the command does not need to be nul 295 * terminated, Memory will be allocated for the command in that case. 296 * 297 * @param cmd List of commands to run, each separated bu semicolon 298 * @param len Length of commands excluding terminator if known (-1 if not) 299 * @param flag Execution flags (CMD_FLAG_...) 300 * @return 0 on success, or != 0 on error. 301 */ 302 int run_command_list(const char *cmd, int len, int flag); 303 int readline (const char *const prompt); 304 int readline_into_buffer(const char *const prompt, char *buffer, 305 int timeout); 306 int parse_line (char *, char *[]); 307 void init_cmd_timeout(void); 308 void reset_cmd_timeout(void); 309 #ifdef CONFIG_MENU 310 int abortboot(int bootdelay); 311 #endif 312 extern char console_buffer[]; 313 314 /* arch/$(ARCH)/lib/board.c */ 315 void board_init_f (ulong) __attribute__ ((noreturn)); 316 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 317 int checkboard (void); 318 int checkflash (void); 319 int checkdram (void); 320 int last_stage_init(void); 321 extern ulong monitor_flash_len; 322 int mac_read_from_eeprom(void); 323 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 324 int set_cpu_clk_info(void); 325 326 /* common/flash.c */ 327 void flash_perror (int); 328 329 /* common/cmd_source.c */ 330 int source (ulong addr, const char *fit_uname); 331 332 extern ulong load_addr; /* Default Load Address */ 333 extern ulong save_addr; /* Default Save Address */ 334 extern ulong save_size; /* Default Save Size */ 335 336 /* common/cmd_doc.c */ 337 void doc_probe(unsigned long physadr); 338 339 /* common/cmd_net.c */ 340 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 341 342 /* common/cmd_fat.c */ 343 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 344 345 /* common/cmd_ext2.c */ 346 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 347 348 /* common/cmd_nvedit.c */ 349 int env_init (void); 350 void env_relocate (void); 351 int envmatch (uchar *, int); 352 char *getenv (const char *); 353 int getenv_f (const char *name, char *buf, unsigned len); 354 ulong getenv_ulong(const char *name, int base, ulong default_val); 355 int saveenv (void); 356 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 357 int inline setenv (const char *, const char *); 358 #else 359 int setenv (const char *, const char *); 360 int setenv_ulong(const char *varname, ulong value); 361 int setenv_addr(const char *varname, const void *addr); 362 #endif /* CONFIG_PPC */ 363 #ifdef CONFIG_ARM 364 # include <asm/mach-types.h> 365 # include <asm/setup.h> 366 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 367 #endif /* CONFIG_ARM */ 368 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 369 # include <asm/u-boot-x86.h> 370 #endif /* CONFIG_X86 */ 371 #ifdef CONFIG_SANDBOX 372 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 373 #endif 374 #ifdef CONFIG_NDS32 375 # include <asm/mach-types.h> 376 # include <asm/u-boot-nds32.h> 377 #endif /* CONFIG_NDS32 */ 378 #ifdef CONFIG_MIPS 379 # include <asm/u-boot-mips.h> 380 #endif /* CONFIG_MIPS */ 381 382 #ifdef CONFIG_AUTO_COMPLETE 383 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 384 #endif 385 int get_env_id (void); 386 387 void pci_init (void); 388 void pci_init_board(void); 389 void pciinfo (int, int); 390 391 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 392 int pci_pre_init (struct pci_controller *); 393 int is_pci_host (struct pci_controller *); 394 #endif 395 396 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 397 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 398 void pci_target_init (struct pci_controller *); 399 # endif 400 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 401 void pci_master_init (struct pci_controller *); 402 # endif 403 #if defined(CONFIG_440SPE) || \ 404 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 405 defined(CONFIG_405EX) 406 void pcie_setup_hoses(int busno); 407 #endif 408 #endif 409 410 int misc_init_f (void); 411 int misc_init_r (void); 412 413 /* common/exports.c */ 414 void jumptable_init(void); 415 416 /* common/kallsysm.c */ 417 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 418 419 /* api/api.c */ 420 void api_init (void); 421 422 /* common/memsize.c */ 423 long get_ram_size (long *, long); 424 425 /* $(BOARD)/$(BOARD).c */ 426 void reset_phy (void); 427 void fdc_hw_init (void); 428 429 /* $(BOARD)/eeprom.c */ 430 void eeprom_init (void); 431 #ifndef CONFIG_SPI 432 int eeprom_probe (unsigned dev_addr, unsigned offset); 433 #endif 434 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 435 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 436 #ifdef CONFIG_LWMON 437 extern uchar pic_read (uchar reg); 438 extern void pic_write (uchar reg, uchar val); 439 #endif 440 441 /* 442 * Set this up regardless of board 443 * type, to prevent errors. 444 */ 445 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 446 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 447 #else 448 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 449 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 450 #endif 451 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 452 453 #if defined(CONFIG_SPI) 454 extern void spi_init_f (void); 455 extern void spi_init_r (void); 456 extern ssize_t spi_read (uchar *, int, uchar *, int); 457 extern ssize_t spi_write (uchar *, int, uchar *, int); 458 #endif 459 460 #ifdef CONFIG_RPXCLASSIC 461 void rpxclassic_init (void); 462 #endif 463 464 void rpxlite_init (void); 465 466 #ifdef CONFIG_MBX 467 /* $(BOARD)/mbx8xx.c */ 468 void mbx_init (void); 469 void board_serial_init (void); 470 void board_ether_init (void); 471 #endif 472 473 #ifdef CONFIG_HERMES 474 /* $(BOARD)/hermes.c */ 475 void hermes_start_lxt980 (int speed); 476 #endif 477 478 #ifdef CONFIG_EVB64260 479 void evb64260_init(void); 480 void debug_led(int, int); 481 void display_mem_map(void); 482 void perform_soft_reset(void); 483 #endif 484 485 /* $(BOARD)/$(BOARD).c */ 486 int board_early_init_f (void); 487 int board_late_init (void); 488 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 489 int board_early_init_r (void); 490 void board_poweroff (void); 491 492 #if defined(CONFIG_SYS_DRAM_TEST) 493 int testdram(void); 494 #endif /* CONFIG_SYS_DRAM_TEST */ 495 496 /* $(CPU)/start.S */ 497 #if defined(CONFIG_5xx) || \ 498 defined(CONFIG_8xx) 499 uint get_immr (uint); 500 #endif 501 uint get_pir (void); 502 #if defined(CONFIG_MPC5xxx) 503 uint get_svr (void); 504 #endif 505 uint get_pvr (void); 506 uint get_svr (void); 507 uint rd_ic_cst (void); 508 void wr_ic_cst (uint); 509 void wr_ic_adr (uint); 510 uint rd_dc_cst (void); 511 void wr_dc_cst (uint); 512 void wr_dc_adr (uint); 513 int icache_status (void); 514 void icache_enable (void); 515 void icache_disable(void); 516 int dcache_status (void); 517 void dcache_enable (void); 518 void dcache_disable(void); 519 void mmu_disable(void); 520 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); 521 ulong get_endaddr (void); 522 void trap_init (ulong); 523 #if defined (CONFIG_4xx) || \ 524 defined (CONFIG_MPC5xxx) || \ 525 defined (CONFIG_74xx_7xx) || \ 526 defined (CONFIG_74x) || \ 527 defined (CONFIG_75x) || \ 528 defined (CONFIG_74xx) || \ 529 defined (CONFIG_MPC8220) || \ 530 defined (CONFIG_MPC85xx) || \ 531 defined (CONFIG_MPC86xx) || \ 532 defined (CONFIG_MPC83xx) 533 unsigned char in8(unsigned int); 534 void out8(unsigned int, unsigned char); 535 unsigned short in16(unsigned int); 536 unsigned short in16r(unsigned int); 537 void out16(unsigned int, unsigned short value); 538 void out16r(unsigned int, unsigned short value); 539 unsigned long in32(unsigned int); 540 unsigned long in32r(unsigned int); 541 void out32(unsigned int, unsigned long value); 542 void out32r(unsigned int, unsigned long value); 543 void ppcDcbf(unsigned long value); 544 void ppcDcbi(unsigned long value); 545 void ppcSync(void); 546 void ppcDcbz(unsigned long value); 547 #endif 548 #if defined (CONFIG_MICROBLAZE) 549 unsigned short in16(unsigned int); 550 void out16(unsigned int, unsigned short value); 551 #endif 552 553 #if defined (CONFIG_MPC83xx) 554 void ppcDWload(unsigned int *addr, unsigned int *ret); 555 void ppcDWstore(unsigned int *addr, unsigned int *value); 556 void disable_addr_trans(void); 557 void enable_addr_trans(void); 558 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 559 void ddr_enable_ecc(unsigned int dram_size); 560 #endif 561 #endif 562 563 /* $(CPU)/cpu.c */ 564 static inline int cpumask_next(int cpu, unsigned int mask) 565 { 566 for (cpu++; !((1 << cpu) & mask); cpu++) 567 ; 568 569 return cpu; 570 } 571 572 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 573 for (iter = 0, cpu = cpumask_next(-1, mask); \ 574 iter < num_cpus; \ 575 iter++, cpu = cpumask_next(cpu, mask)) \ 576 577 int cpu_numcores (void); 578 u32 cpu_mask (void); 579 int is_core_valid (unsigned int); 580 int probecpu (void); 581 int checkcpu (void); 582 int checkicache (void); 583 int checkdcache (void); 584 void upmconfig (unsigned int, unsigned int *, unsigned int); 585 ulong get_tbclk (void); 586 void reset_cpu (ulong addr); 587 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 588 void ft_cpu_setup(void *blob, bd_t *bd); 589 #ifdef CONFIG_PCI 590 void ft_pci_setup(void *blob, bd_t *bd); 591 #endif 592 #endif 593 594 595 /* $(CPU)/serial.c */ 596 int serial_init (void); 597 void serial_setbrg (void); 598 void serial_putc (const char); 599 void serial_putc_raw(const char); 600 void serial_puts (const char *); 601 int serial_getc (void); 602 int serial_tstc (void); 603 604 void _serial_setbrg (const int); 605 void _serial_putc (const char, const int); 606 void _serial_putc_raw(const char, const int); 607 void _serial_puts (const char *, const int); 608 int _serial_getc (const int); 609 int _serial_tstc (const int); 610 611 /* $(CPU)/speed.c */ 612 int get_clocks (void); 613 int get_clocks_866 (void); 614 int sdram_adjust_866 (void); 615 int adjust_sdram_tbs_8xx (void); 616 #if defined(CONFIG_8260) 617 int prt_8260_clks (void); 618 #elif defined(CONFIG_MPC5xxx) 619 int prt_mpc5xxx_clks (void); 620 #endif 621 #if defined(CONFIG_MPC512X) 622 int prt_mpc512xxx_clks (void); 623 #endif 624 #if defined(CONFIG_MPC8220) 625 int prt_mpc8220_clks (void); 626 #endif 627 #ifdef CONFIG_4xx 628 ulong get_OPB_freq (void); 629 ulong get_PCI_freq (void); 630 #endif 631 #if defined(CONFIG_S3C24X0) || \ 632 defined(CONFIG_LH7A40X) || \ 633 defined(CONFIG_S3C6400) || \ 634 defined(CONFIG_EP93XX) 635 ulong get_FCLK (void); 636 ulong get_HCLK (void); 637 ulong get_PCLK (void); 638 ulong get_UCLK (void); 639 #endif 640 #if defined(CONFIG_LH7A40X) 641 ulong get_PLLCLK (void); 642 #endif 643 #if defined CONFIG_INCA_IP 644 uint incaip_get_cpuclk (void); 645 #endif 646 #if defined(CONFIG_IMX) 647 ulong get_systemPLLCLK(void); 648 ulong get_FCLK(void); 649 ulong get_HCLK(void); 650 ulong get_BCLK(void); 651 ulong get_PERCLK1(void); 652 ulong get_PERCLK2(void); 653 ulong get_PERCLK3(void); 654 #endif 655 ulong get_bus_freq (ulong); 656 int get_serial_clock(void); 657 658 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 659 ulong get_ddr_freq(ulong); 660 #endif 661 #if defined(CONFIG_MPC85xx) 662 typedef MPC85xx_SYS_INFO sys_info_t; 663 void get_sys_info ( sys_info_t * ); 664 #endif 665 #if defined(CONFIG_MPC86xx) 666 typedef MPC86xx_SYS_INFO sys_info_t; 667 void get_sys_info ( sys_info_t * ); 668 static inline ulong get_ddr_freq(ulong dummy) 669 { 670 return get_bus_freq(dummy); 671 } 672 #endif 673 674 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 675 # if defined(CONFIG_440) 676 # if defined(CONFIG_440SPE) 677 unsigned long determine_sysper(void); 678 unsigned long determine_pci_clock_per(void); 679 # endif 680 # endif 681 typedef PPC4xx_SYS_INFO sys_info_t; 682 int ppc440spe_revB(void); 683 void get_sys_info ( sys_info_t * ); 684 #endif 685 686 /* $(CPU)/cpu_init.c */ 687 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 688 void cpu_init_f (volatile immap_t *immr); 689 #endif 690 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 691 void cpu_init_f (void); 692 #endif 693 694 int cpu_init_r (void); 695 #if defined(CONFIG_8260) 696 int prt_8260_rsr (void); 697 #elif defined(CONFIG_MPC83xx) 698 int prt_83xx_rsr (void); 699 #endif 700 701 /* $(CPU)/interrupts.c */ 702 int interrupt_init (void); 703 void timer_interrupt (struct pt_regs *); 704 void external_interrupt (struct pt_regs *); 705 void irq_install_handler(int, interrupt_handler_t *, void *); 706 void irq_free_handler (int); 707 void reset_timer (void); 708 ulong get_timer (ulong base); 709 void enable_interrupts (void); 710 int disable_interrupts (void); 711 712 /* $(CPU)/.../commproc.c */ 713 int dpram_init (void); 714 uint dpram_base(void); 715 uint dpram_base_align(uint align); 716 uint dpram_alloc(uint size); 717 uint dpram_alloc_align(uint size,uint align); 718 void bootcount_store (ulong); 719 ulong bootcount_load (void); 720 #define BOOTCOUNT_MAGIC 0xB001C041 721 722 /* $(CPU)/.../<eth> */ 723 void mii_init (void); 724 725 /* $(CPU)/.../lcd.c */ 726 ulong lcd_setmem (ulong); 727 728 /* $(CPU)/.../video.c */ 729 ulong video_setmem (ulong); 730 731 /* arch/$(ARCH)/lib/cache.c */ 732 void enable_caches(void); 733 void flush_cache (unsigned long, unsigned long); 734 void flush_dcache_all(void); 735 void flush_dcache_range(unsigned long start, unsigned long stop); 736 void invalidate_dcache_range(unsigned long start, unsigned long stop); 737 void invalidate_dcache_all(void); 738 void invalidate_icache_all(void); 739 740 /* arch/$(ARCH)/lib/ticks.S */ 741 unsigned long long get_ticks(void); 742 void wait_ticks (unsigned long); 743 744 /* arch/$(ARCH)/lib/time.c */ 745 void __udelay (unsigned long); 746 ulong usec2ticks (unsigned long usec); 747 ulong ticks2usec (unsigned long ticks); 748 int init_timebase (void); 749 750 /* lib/gunzip.c */ 751 int gunzip(void *, int, unsigned char *, unsigned long *); 752 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 753 int stoponerr, int offset); 754 755 /* lib/qsort.c */ 756 void qsort(void *base, size_t nmemb, size_t size, 757 int(*compar)(const void *, const void *)); 758 int strcmp_compar(const void *, const void *); 759 760 /* lib/time.c */ 761 void udelay (unsigned long); 762 void mdelay(unsigned long); 763 764 /* lib/uuid.c */ 765 void uuid_str_to_bin(const char *uuid, unsigned char *out); 766 int uuid_str_valid(const char *uuid); 767 768 /* lib/vsprintf.c */ 769 #include <vsprintf.h> 770 771 /* lib/strmhz.c */ 772 char * strmhz(char *buf, unsigned long hz); 773 774 /* lib/crc32.c */ 775 #include <u-boot/crc.h> 776 777 /* lib/rand.c */ 778 #if defined(CONFIG_RANDOM_MACADDR) || \ 779 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 780 defined(CONFIG_CMD_LINK_LOCAL) 781 #define RAND_MAX -1U 782 void srand(unsigned int seed); 783 unsigned int rand(void); 784 unsigned int rand_r(unsigned int *seedp); 785 #endif 786 787 /* common/console.c */ 788 int console_init_f(void); /* Before relocation; uses the serial stuff */ 789 int console_init_r(void); /* After relocation; uses the console stuff */ 790 int console_assign(int file, const char *devname); /* Assign the console */ 791 int ctrlc (void); 792 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 793 void clear_ctrlc (void); /* clear the Control-C condition */ 794 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 795 796 /* 797 * STDIO based functions (can always be used) 798 */ 799 /* serial stuff */ 800 int serial_printf (const char *fmt, ...) 801 __attribute__ ((format (__printf__, 1, 2))); 802 /* stdin */ 803 int getc(void); 804 int tstc(void); 805 806 /* stdout */ 807 void putc(const char c); 808 void puts(const char *s); 809 int printf(const char *fmt, ...) 810 __attribute__ ((format (__printf__, 1, 2))); 811 int vprintf(const char *fmt, va_list args); 812 813 /* stderr */ 814 #define eputc(c) fputc(stderr, c) 815 #define eputs(s) fputs(stderr, s) 816 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 817 818 /* 819 * FILE based functions (can only be used AFTER relocation!) 820 */ 821 #define stdin 0 822 #define stdout 1 823 #define stderr 2 824 #define MAX_FILES 3 825 826 int fprintf(int file, const char *fmt, ...) 827 __attribute__ ((format (__printf__, 2, 3))); 828 void fputs(int file, const char *s); 829 void fputc(int file, const char c); 830 int ftstc(int file); 831 int fgetc(int file); 832 833 /* lib/gzip.c */ 834 int gzip(void *dst, unsigned long *lenp, 835 unsigned char *src, unsigned long srclen); 836 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 837 unsigned long srclen, int stoponerr, 838 int (*func)(unsigned long, unsigned long)); 839 840 /* lib/net_utils.c */ 841 #include <net.h> 842 static inline IPaddr_t getenv_IPaddr(char *var) 843 { 844 return string_to_ip(getenv(var)); 845 } 846 847 /* 848 * CONSOLE multiplexing. 849 */ 850 #ifdef CONFIG_CONSOLE_MUX 851 #include <iomux.h> 852 #endif 853 854 int pcmcia_init (void); 855 856 #ifdef CONFIG_STATUS_LED 857 # include <status_led.h> 858 #endif 859 860 #include <bootstage.h> 861 862 #ifdef CONFIG_SHOW_ACTIVITY 863 void show_activity(int arg); 864 #endif 865 866 /* Multicore arch functions */ 867 #ifdef CONFIG_MP 868 int cpu_status(int nr); 869 int cpu_reset(int nr); 870 int cpu_disable(int nr); 871 int cpu_release(int nr, int argc, char * const argv[]); 872 #endif 873 874 #endif /* __ASSEMBLY__ */ 875 876 #ifdef CONFIG_PPC 877 /* 878 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 879 * Otherwise might lead to compilation errors in assembler files. 880 */ 881 #include <asm/cache.h> 882 #endif 883 884 /* Put only stuff here that the assembler can digest */ 885 886 #ifdef CONFIG_POST 887 #define CONFIG_HAS_POST 888 #ifndef CONFIG_POST_ALT_LIST 889 #define CONFIG_POST_STD_LIST 890 #endif 891 #endif 892 893 #ifdef CONFIG_INIT_CRITICAL 894 #error CONFIG_INIT_CRITICAL is deprecated! 895 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 896 #endif 897 898 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 899 900 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 901 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 902 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 903 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 904 905 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 906 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 907 908 /* 909 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 910 * is used to align DMA buffers. 911 */ 912 #ifndef __ASSEMBLY__ 913 #include <asm/cache.h> 914 #endif 915 916 /* 917 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 918 * stack that meets the minimum architecture alignment requirements for DMA. 919 * Such a buffer is useful for DMA operations where flushing and invalidating 920 * the cache before and after a read and/or write operation is required for 921 * correct operations. 922 * 923 * When called the macro creates an array on the stack that is sized such 924 * that: 925 * 926 * 1) The beginning of the array can be advanced enough to be aligned. 927 * 928 * 2) The size of the aligned portion of the array is a multiple of the minimum 929 * architecture alignment required for DMA. 930 * 931 * 3) The aligned portion contains enough space for the original number of 932 * elements requested. 933 * 934 * The macro then creates a pointer to the aligned portion of this array and 935 * assigns to the pointer the address of the first element in the aligned 936 * portion of the array. 937 * 938 * Calling the macro as: 939 * 940 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 941 * 942 * Will result in something similar to saying: 943 * 944 * uint32_t buffer[1024]; 945 * 946 * The following differences exist: 947 * 948 * 1) The resulting buffer is guaranteed to be aligned to the value of 949 * ARCH_DMA_MINALIGN. 950 * 951 * 2) The buffer variable created by the macro is a pointer to the specified 952 * type, and NOT an array of the specified type. This can be very important 953 * if you want the address of the buffer, which you probably do, to pass it 954 * to the DMA hardware. The value of &buffer is different in the two cases. 955 * In the macro case it will be the address of the pointer, not the address 956 * of the space reserved for the buffer. However, in the second case it 957 * would be the address of the buffer. So if you are replacing hard coded 958 * stack buffers with this macro you need to make sure you remove the & from 959 * the locations where you are taking the address of the buffer. 960 * 961 * Note that the size parameter is the number of array elements to allocate, 962 * not the number of bytes. 963 * 964 * This macro can not be used outside of function scope, or for the creation 965 * of a function scoped static buffer. It can not be used to create a cache 966 * line aligned global buffer. 967 */ 968 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 969 char __##name[ROUND(size * sizeof(type), align) + (align - 1)]; \ 970 \ 971 type *name = (type *) ALIGN((uintptr_t)__##name, align) 972 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 973 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 974 975 /* 976 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 977 * purpose is to allow allocating aligned buffers outside of function scope. 978 * Usage of this macro shall be avoided or used with extreme care! 979 */ 980 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 981 static char __##name[roundup(size * sizeof(type), align)] \ 982 __attribute__((aligned(align))); \ 983 \ 984 static type *name = (type *)__##name 985 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 986 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 987 988 /* Pull in stuff for the build system */ 989 #ifdef DO_DEPS_ONLY 990 # include <environment.h> 991 #endif 992 993 #endif /* __COMMON_H_ */ 994