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) 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 /* 199 * General Purpose Utilities 200 */ 201 #define min(X, Y) \ 202 ({ typeof(X) __x = (X); \ 203 typeof(Y) __y = (Y); \ 204 (__x < __y) ? __x : __y; }) 205 206 #define max(X, Y) \ 207 ({ typeof(X) __x = (X); \ 208 typeof(Y) __y = (Y); \ 209 (__x > __y) ? __x : __y; }) 210 211 #define MIN(x, y) min(x, y) 212 #define MAX(x, y) max(x, y) 213 214 #define min3(X, Y, Z) \ 215 ({ typeof(X) __x = (X); \ 216 typeof(Y) __y = (Y); \ 217 typeof(Z) __z = (Z); \ 218 __x < __y ? (__x < __z ? __x : __z) : \ 219 (__y < __z ? __y : __z); }) 220 221 #define max3(X, Y, Z) \ 222 ({ typeof(X) __x = (X); \ 223 typeof(Y) __y = (Y); \ 224 typeof(Z) __z = (Z); \ 225 __x > __y ? (__x > __z ? __x : __z) : \ 226 (__y > __z ? __y : __z); }) 227 228 #define MIN3(x, y, z) min3(x, y, z) 229 #define MAX3(x, y, z) max3(x, y, z) 230 231 /* 232 * Return the absolute value of a number. 233 * 234 * This handles unsigned and signed longs, ints, shorts and chars. For all 235 * input types abs() returns a signed long. 236 * 237 * For 64-bit types, use abs64() 238 */ 239 #define abs(x) ({ \ 240 long ret; \ 241 if (sizeof(x) == sizeof(long)) { \ 242 long __x = (x); \ 243 ret = (__x < 0) ? -__x : __x; \ 244 } else { \ 245 int __x = (x); \ 246 ret = (__x < 0) ? -__x : __x; \ 247 } \ 248 ret; \ 249 }) 250 251 #define abs64(x) ({ \ 252 s64 __x = (x); \ 253 (__x < 0) ? -__x : __x; \ 254 }) 255 256 #if defined(CONFIG_ENV_IS_EMBEDDED) 257 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 258 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 259 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 260 defined(CONFIG_ENV_IS_IN_NVRAM) 261 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 262 #else 263 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 264 #endif 265 266 /** 267 * container_of - cast a member of a structure out to the containing structure 268 * @ptr: the pointer to the member. 269 * @type: the type of the container struct this is embedded in. 270 * @member: the name of the member within the struct. 271 * 272 */ 273 #define container_of(ptr, type, member) ({ \ 274 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 275 (type *)( (char *)__mptr - offsetof(type,member) );}) 276 277 /* 278 * Function Prototypes 279 */ 280 281 void hang (void) __attribute__ ((noreturn)); 282 283 int timer_init(void); 284 int cpu_init(void); 285 286 /* */ 287 phys_size_t initdram (int); 288 int display_options (void); 289 void print_size(unsigned long long, const char *); 290 int print_buffer(ulong addr, const void *data, uint width, uint count, 291 uint linelen); 292 293 /* common/main.c */ 294 void main_loop (void); 295 int run_command(const char *cmd, int flag); 296 297 /** 298 * Run a list of commands separated by ; or even \0 299 * 300 * Note that if 'len' is not -1, then the command does not need to be nul 301 * terminated, Memory will be allocated for the command in that case. 302 * 303 * @param cmd List of commands to run, each separated bu semicolon 304 * @param len Length of commands excluding terminator if known (-1 if not) 305 * @param flag Execution flags (CMD_FLAG_...) 306 * @return 0 on success, or != 0 on error. 307 */ 308 int run_command_list(const char *cmd, int len, int flag); 309 int readline (const char *const prompt); 310 int readline_into_buffer(const char *const prompt, char *buffer, 311 int timeout); 312 int parse_line (char *, char *[]); 313 void init_cmd_timeout(void); 314 void reset_cmd_timeout(void); 315 #ifdef CONFIG_MENU 316 int abortboot(int bootdelay); 317 #endif 318 extern char console_buffer[]; 319 320 /* arch/$(ARCH)/lib/board.c */ 321 void board_init_f(ulong); 322 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 323 int checkboard (void); 324 int checkflash (void); 325 int checkdram (void); 326 int last_stage_init(void); 327 extern ulong monitor_flash_len; 328 int mac_read_from_eeprom(void); 329 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 330 int set_cpu_clk_info(void); 331 int print_cpuinfo(void); 332 int update_flash_size(int flash_size); 333 334 /** 335 * Show the DRAM size in a board-specific way 336 * 337 * This is used by boards to display DRAM information in their own way. 338 * 339 * @param size Size of DRAM (which should be displayed along with other info) 340 */ 341 void board_show_dram(ulong size); 342 343 /* common/flash.c */ 344 void flash_perror (int); 345 346 /* common/cmd_source.c */ 347 int source (ulong addr, const char *fit_uname); 348 349 extern ulong load_addr; /* Default Load Address */ 350 extern ulong save_addr; /* Default Save Address */ 351 extern ulong save_size; /* Default Save Size */ 352 353 /* common/cmd_doc.c */ 354 void doc_probe(unsigned long physadr); 355 356 /* common/cmd_net.c */ 357 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 358 359 /* common/cmd_fat.c */ 360 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 361 362 /* common/cmd_ext2.c */ 363 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 364 365 /* common/cmd_nvedit.c */ 366 int env_init (void); 367 void env_relocate (void); 368 int envmatch (uchar *, int); 369 char *getenv (const char *); 370 int getenv_f (const char *name, char *buf, unsigned len); 371 ulong getenv_ulong(const char *name, int base, ulong default_val); 372 373 /** 374 * getenv_hex() - Return an environment variable as a hex value 375 * 376 * Decode an environment as a hex number (it may or may not have a 0x 377 * prefix). If the environment variable cannot be found, or does not start 378 * with hex digits, the default value is returned. 379 * 380 * @varname: Variable to decode 381 * @default_val: Value to return on error 382 */ 383 ulong getenv_hex(const char *varname, ulong default_val); 384 385 /* 386 * Read an environment variable as a boolean 387 * Return -1 if variable does not exist (default to true) 388 */ 389 int getenv_yesno(const char *var); 390 int saveenv (void); 391 int setenv (const char *, const char *); 392 int setenv_ulong(const char *varname, ulong value); 393 int setenv_hex(const char *varname, ulong value); 394 /** 395 * setenv_addr - Set an environment variable to an address in hex 396 * 397 * @varname: Environmet variable to set 398 * @addr: Value to set it to 399 * @return 0 if ok, 1 on error 400 */ 401 static inline int setenv_addr(const char *varname, const void *addr) 402 { 403 return setenv_hex(varname, (ulong)addr); 404 } 405 406 #ifdef CONFIG_ARM 407 # include <asm/mach-types.h> 408 # include <asm/setup.h> 409 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 410 #endif /* CONFIG_ARM */ 411 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 412 # include <asm/u-boot-x86.h> 413 #endif /* CONFIG_X86 */ 414 #ifdef CONFIG_SANDBOX 415 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 416 #endif 417 #ifdef CONFIG_NDS32 418 # include <asm/mach-types.h> 419 # include <asm/u-boot-nds32.h> 420 #endif /* CONFIG_NDS32 */ 421 #ifdef CONFIG_MIPS 422 # include <asm/u-boot-mips.h> 423 #endif /* CONFIG_MIPS */ 424 425 #ifdef CONFIG_AUTO_COMPLETE 426 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 427 #endif 428 int get_env_id (void); 429 430 void pci_init (void); 431 void pci_init_board(void); 432 void pciinfo (int, int); 433 434 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 435 int pci_pre_init (struct pci_controller *); 436 int is_pci_host (struct pci_controller *); 437 #endif 438 439 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 440 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 441 void pci_target_init (struct pci_controller *); 442 # endif 443 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 444 void pci_master_init (struct pci_controller *); 445 # endif 446 #if defined(CONFIG_440SPE) || \ 447 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 448 defined(CONFIG_405EX) 449 void pcie_setup_hoses(int busno); 450 #endif 451 #endif 452 453 int misc_init_f (void); 454 int misc_init_r (void); 455 456 /* common/exports.c */ 457 void jumptable_init(void); 458 459 /* common/kallsysm.c */ 460 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 461 462 /* api/api.c */ 463 void api_init (void); 464 465 /* common/memsize.c */ 466 long get_ram_size (long *, long); 467 468 /* $(BOARD)/$(BOARD).c */ 469 void reset_phy (void); 470 void fdc_hw_init (void); 471 472 /* $(BOARD)/eeprom.c */ 473 void eeprom_init (void); 474 #ifndef CONFIG_SPI 475 int eeprom_probe (unsigned dev_addr, unsigned offset); 476 #endif 477 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 478 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 479 #ifdef CONFIG_LWMON 480 extern uchar pic_read (uchar reg); 481 extern void pic_write (uchar reg, uchar val); 482 #endif 483 484 /* 485 * Set this up regardless of board 486 * type, to prevent errors. 487 */ 488 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 489 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 490 #else 491 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 492 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 493 #endif 494 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 495 496 #if defined(CONFIG_SPI) 497 extern void spi_init_f (void); 498 extern void spi_init_r (void); 499 extern ssize_t spi_read (uchar *, int, uchar *, int); 500 extern ssize_t spi_write (uchar *, int, uchar *, int); 501 #endif 502 503 #ifdef CONFIG_RPXCLASSIC 504 void rpxclassic_init (void); 505 #endif 506 507 void rpxlite_init (void); 508 509 #ifdef CONFIG_MBX 510 /* $(BOARD)/mbx8xx.c */ 511 void mbx_init (void); 512 void board_serial_init (void); 513 void board_ether_init (void); 514 #endif 515 516 #ifdef CONFIG_HERMES 517 /* $(BOARD)/hermes.c */ 518 void hermes_start_lxt980 (int speed); 519 #endif 520 521 #ifdef CONFIG_EVB64260 522 void evb64260_init(void); 523 void debug_led(int, int); 524 void display_mem_map(void); 525 void perform_soft_reset(void); 526 #endif 527 528 /* $(BOARD)/$(BOARD).c */ 529 int board_early_init_f (void); 530 int board_late_init (void); 531 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 532 int board_early_init_r (void); 533 void board_poweroff (void); 534 535 #if defined(CONFIG_SYS_DRAM_TEST) 536 int testdram(void); 537 #endif /* CONFIG_SYS_DRAM_TEST */ 538 539 /* $(CPU)/start.S */ 540 #if defined(CONFIG_5xx) || \ 541 defined(CONFIG_8xx) 542 uint get_immr (uint); 543 #endif 544 uint get_pir (void); 545 #if defined(CONFIG_MPC5xxx) 546 uint get_svr (void); 547 #endif 548 uint get_pvr (void); 549 uint get_svr (void); 550 uint rd_ic_cst (void); 551 void wr_ic_cst (uint); 552 void wr_ic_adr (uint); 553 uint rd_dc_cst (void); 554 void wr_dc_cst (uint); 555 void wr_dc_adr (uint); 556 int icache_status (void); 557 void icache_enable (void); 558 void icache_disable(void); 559 int dcache_status (void); 560 void dcache_enable (void); 561 void dcache_disable(void); 562 void mmu_disable(void); 563 #if defined(CONFIG_ARM) 564 void relocate_code(ulong); 565 #else 566 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 567 #endif 568 ulong get_endaddr (void); 569 void trap_init (ulong); 570 #if defined (CONFIG_4xx) || \ 571 defined (CONFIG_MPC5xxx) || \ 572 defined (CONFIG_74xx_7xx) || \ 573 defined (CONFIG_74x) || \ 574 defined (CONFIG_75x) || \ 575 defined (CONFIG_74xx) || \ 576 defined (CONFIG_MPC8220) || \ 577 defined (CONFIG_MPC85xx) || \ 578 defined (CONFIG_MPC86xx) || \ 579 defined (CONFIG_MPC83xx) 580 unsigned char in8(unsigned int); 581 void out8(unsigned int, unsigned char); 582 unsigned short in16(unsigned int); 583 unsigned short in16r(unsigned int); 584 void out16(unsigned int, unsigned short value); 585 void out16r(unsigned int, unsigned short value); 586 unsigned long in32(unsigned int); 587 unsigned long in32r(unsigned int); 588 void out32(unsigned int, unsigned long value); 589 void out32r(unsigned int, unsigned long value); 590 void ppcDcbf(unsigned long value); 591 void ppcDcbi(unsigned long value); 592 void ppcSync(void); 593 void ppcDcbz(unsigned long value); 594 #endif 595 #if defined (CONFIG_MICROBLAZE) 596 unsigned short in16(unsigned int); 597 void out16(unsigned int, unsigned short value); 598 #endif 599 600 #if defined (CONFIG_MPC83xx) 601 void ppcDWload(unsigned int *addr, unsigned int *ret); 602 void ppcDWstore(unsigned int *addr, unsigned int *value); 603 void disable_addr_trans(void); 604 void enable_addr_trans(void); 605 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 606 void ddr_enable_ecc(unsigned int dram_size); 607 #endif 608 #endif 609 610 /* $(CPU)/cpu.c */ 611 static inline int cpumask_next(int cpu, unsigned int mask) 612 { 613 for (cpu++; !((1 << cpu) & mask); cpu++) 614 ; 615 616 return cpu; 617 } 618 619 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 620 for (iter = 0, cpu = cpumask_next(-1, mask); \ 621 iter < num_cpus; \ 622 iter++, cpu = cpumask_next(cpu, mask)) \ 623 624 int cpu_numcores (void); 625 u32 cpu_mask (void); 626 int is_core_valid (unsigned int); 627 int probecpu (void); 628 int checkcpu (void); 629 int checkicache (void); 630 int checkdcache (void); 631 void upmconfig (unsigned int, unsigned int *, unsigned int); 632 ulong get_tbclk (void); 633 void reset_cpu (ulong addr); 634 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 635 void ft_cpu_setup(void *blob, bd_t *bd); 636 #ifdef CONFIG_PCI 637 void ft_pci_setup(void *blob, bd_t *bd); 638 #endif 639 #endif 640 641 642 /* $(CPU)/serial.c */ 643 int serial_init (void); 644 void serial_setbrg (void); 645 void serial_putc (const char); 646 void serial_putc_raw(const char); 647 void serial_puts (const char *); 648 int serial_getc (void); 649 int serial_tstc (void); 650 651 void _serial_setbrg (const int); 652 void _serial_putc (const char, const int); 653 void _serial_putc_raw(const char, const int); 654 void _serial_puts (const char *, const int); 655 int _serial_getc (const int); 656 int _serial_tstc (const int); 657 658 /* $(CPU)/speed.c */ 659 int get_clocks (void); 660 int get_clocks_866 (void); 661 int sdram_adjust_866 (void); 662 int adjust_sdram_tbs_8xx (void); 663 #if defined(CONFIG_8260) 664 int prt_8260_clks (void); 665 #elif defined(CONFIG_MPC5xxx) 666 int prt_mpc5xxx_clks (void); 667 #endif 668 #if defined(CONFIG_MPC8220) 669 int prt_mpc8220_clks (void); 670 #endif 671 #ifdef CONFIG_4xx 672 ulong get_OPB_freq (void); 673 ulong get_PCI_freq (void); 674 #endif 675 #if defined(CONFIG_S3C24X0) || \ 676 defined(CONFIG_LH7A40X) || \ 677 defined(CONFIG_EP93XX) 678 ulong get_FCLK (void); 679 ulong get_HCLK (void); 680 ulong get_PCLK (void); 681 ulong get_UCLK (void); 682 #endif 683 #if defined(CONFIG_LH7A40X) 684 ulong get_PLLCLK (void); 685 #endif 686 #if defined CONFIG_INCA_IP 687 uint incaip_get_cpuclk (void); 688 #endif 689 #if defined(CONFIG_IMX) 690 ulong get_systemPLLCLK(void); 691 ulong get_FCLK(void); 692 ulong get_HCLK(void); 693 ulong get_BCLK(void); 694 ulong get_PERCLK1(void); 695 ulong get_PERCLK2(void); 696 ulong get_PERCLK3(void); 697 #endif 698 ulong get_bus_freq (ulong); 699 int get_serial_clock(void); 700 701 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 702 ulong get_ddr_freq(ulong); 703 #endif 704 #if defined(CONFIG_MPC85xx) 705 typedef MPC85xx_SYS_INFO sys_info_t; 706 void get_sys_info ( sys_info_t * ); 707 #endif 708 #if defined(CONFIG_MPC86xx) 709 typedef MPC86xx_SYS_INFO sys_info_t; 710 void get_sys_info ( sys_info_t * ); 711 static inline ulong get_ddr_freq(ulong dummy) 712 { 713 return get_bus_freq(dummy); 714 } 715 #endif 716 717 #if defined(CONFIG_4xx) 718 # if defined(CONFIG_440) 719 # if defined(CONFIG_440SPE) 720 unsigned long determine_sysper(void); 721 unsigned long determine_pci_clock_per(void); 722 # endif 723 # endif 724 typedef PPC4xx_SYS_INFO sys_info_t; 725 int ppc440spe_revB(void); 726 void get_sys_info ( sys_info_t * ); 727 #endif 728 729 /* $(CPU)/cpu_init.c */ 730 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 731 void cpu_init_f (volatile immap_t *immr); 732 #endif 733 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 734 void cpu_init_f (void); 735 #endif 736 737 int cpu_init_r (void); 738 #if defined(CONFIG_8260) 739 int prt_8260_rsr (void); 740 #elif defined(CONFIG_MPC83xx) 741 int prt_83xx_rsr (void); 742 #endif 743 744 /* $(CPU)/interrupts.c */ 745 int interrupt_init (void); 746 void timer_interrupt (struct pt_regs *); 747 void external_interrupt (struct pt_regs *); 748 void irq_install_handler(int, interrupt_handler_t *, void *); 749 void irq_free_handler (int); 750 void reset_timer (void); 751 ulong get_timer (ulong base); 752 void enable_interrupts (void); 753 int disable_interrupts (void); 754 755 /* $(CPU)/.../commproc.c */ 756 int dpram_init (void); 757 uint dpram_base(void); 758 uint dpram_base_align(uint align); 759 uint dpram_alloc(uint size); 760 uint dpram_alloc_align(uint size,uint align); 761 void bootcount_store (ulong); 762 ulong bootcount_load (void); 763 #define BOOTCOUNT_MAGIC 0xB001C041 764 765 /* $(CPU)/.../<eth> */ 766 void mii_init (void); 767 768 /* $(CPU)/.../lcd.c */ 769 ulong lcd_setmem (ulong); 770 771 /* $(CPU)/.../video.c */ 772 ulong video_setmem (ulong); 773 774 /* arch/$(ARCH)/lib/cache.c */ 775 void enable_caches(void); 776 void flush_cache (unsigned long, unsigned long); 777 void flush_dcache_all(void); 778 void flush_dcache_range(unsigned long start, unsigned long stop); 779 void invalidate_dcache_range(unsigned long start, unsigned long stop); 780 void invalidate_dcache_all(void); 781 void invalidate_icache_all(void); 782 783 /* arch/$(ARCH)/lib/ticks.S */ 784 unsigned long long get_ticks(void); 785 void wait_ticks (unsigned long); 786 787 /* arch/$(ARCH)/lib/time.c */ 788 void __udelay (unsigned long); 789 ulong usec2ticks (unsigned long usec); 790 ulong ticks2usec (unsigned long ticks); 791 int init_timebase (void); 792 793 /* lib/gunzip.c */ 794 int gunzip(void *, int, unsigned char *, unsigned long *); 795 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 796 int stoponerr, int offset); 797 798 /* lib/qsort.c */ 799 void qsort(void *base, size_t nmemb, size_t size, 800 int(*compar)(const void *, const void *)); 801 int strcmp_compar(const void *, const void *); 802 803 /* lib/time.c */ 804 void udelay (unsigned long); 805 void mdelay(unsigned long); 806 807 /* lib/uuid.c */ 808 void uuid_str_to_bin(const char *uuid, unsigned char *out); 809 int uuid_str_valid(const char *uuid); 810 811 /* lib/vsprintf.c */ 812 #include <vsprintf.h> 813 814 /* lib/strmhz.c */ 815 char * strmhz(char *buf, unsigned long hz); 816 817 /* lib/crc32.c */ 818 #include <u-boot/crc.h> 819 820 /* lib/rand.c */ 821 #if defined(CONFIG_RANDOM_MACADDR) || \ 822 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 823 defined(CONFIG_CMD_LINK_LOCAL) 824 #define RAND_MAX -1U 825 void srand(unsigned int seed); 826 unsigned int rand(void); 827 unsigned int rand_r(unsigned int *seedp); 828 #endif 829 830 /* common/console.c */ 831 int console_init_f(void); /* Before relocation; uses the serial stuff */ 832 int console_init_r(void); /* After relocation; uses the console stuff */ 833 int console_assign(int file, const char *devname); /* Assign the console */ 834 int ctrlc (void); 835 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 836 void clear_ctrlc (void); /* clear the Control-C condition */ 837 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 838 839 /* 840 * STDIO based functions (can always be used) 841 */ 842 /* serial stuff */ 843 int serial_printf (const char *fmt, ...) 844 __attribute__ ((format (__printf__, 1, 2))); 845 /* stdin */ 846 int getc(void); 847 int tstc(void); 848 849 /* stdout */ 850 void putc(const char c); 851 void puts(const char *s); 852 int printf(const char *fmt, ...) 853 __attribute__ ((format (__printf__, 1, 2))); 854 int vprintf(const char *fmt, va_list args); 855 856 /* stderr */ 857 #define eputc(c) fputc(stderr, c) 858 #define eputs(s) fputs(stderr, s) 859 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 860 861 /* 862 * FILE based functions (can only be used AFTER relocation!) 863 */ 864 #define stdin 0 865 #define stdout 1 866 #define stderr 2 867 #define MAX_FILES 3 868 869 int fprintf(int file, const char *fmt, ...) 870 __attribute__ ((format (__printf__, 2, 3))); 871 void fputs(int file, const char *s); 872 void fputc(int file, const char c); 873 int ftstc(int file); 874 int fgetc(int file); 875 876 /* lib/gzip.c */ 877 int gzip(void *dst, unsigned long *lenp, 878 unsigned char *src, unsigned long srclen); 879 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 880 unsigned long srclen, int stoponerr, 881 int (*func)(unsigned long, unsigned long)); 882 883 /* lib/net_utils.c */ 884 #include <net.h> 885 static inline IPaddr_t getenv_IPaddr(char *var) 886 { 887 return string_to_ip(getenv(var)); 888 } 889 890 /* 891 * CONSOLE multiplexing. 892 */ 893 #ifdef CONFIG_CONSOLE_MUX 894 #include <iomux.h> 895 #endif 896 897 int pcmcia_init (void); 898 899 #ifdef CONFIG_STATUS_LED 900 # include <status_led.h> 901 #endif 902 903 #include <bootstage.h> 904 905 #ifdef CONFIG_SHOW_ACTIVITY 906 void show_activity(int arg); 907 #endif 908 909 /* Multicore arch functions */ 910 #ifdef CONFIG_MP 911 int cpu_status(int nr); 912 int cpu_reset(int nr); 913 int cpu_disable(int nr); 914 int cpu_release(int nr, int argc, char * const argv[]); 915 #endif 916 917 /* Define a null map_sysmem() if the architecture doesn't use it */ 918 # ifndef CONFIG_ARCH_MAP_SYSMEM 919 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 920 { 921 return (void *)(uintptr_t)paddr; 922 } 923 924 static inline void unmap_sysmem(const void *vaddr) 925 { 926 } 927 928 static inline phys_addr_t map_to_sysmem(void *ptr) 929 { 930 return (phys_addr_t)(uintptr_t)ptr; 931 } 932 # endif 933 934 #endif /* __ASSEMBLY__ */ 935 936 #ifdef CONFIG_PPC 937 /* 938 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 939 * Otherwise might lead to compilation errors in assembler files. 940 */ 941 #include <asm/cache.h> 942 #endif 943 944 /* Put only stuff here that the assembler can digest */ 945 946 #ifdef CONFIG_POST 947 #define CONFIG_HAS_POST 948 #ifndef CONFIG_POST_ALT_LIST 949 #define CONFIG_POST_STD_LIST 950 #endif 951 #endif 952 953 #ifdef CONFIG_INIT_CRITICAL 954 #error CONFIG_INIT_CRITICAL is deprecated! 955 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 956 #endif 957 958 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 959 960 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 961 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 962 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 963 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 964 965 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 966 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 967 968 /* 969 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 970 * is used to align DMA buffers. 971 */ 972 #ifndef __ASSEMBLY__ 973 #include <asm/cache.h> 974 #endif 975 976 /* 977 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 978 * stack that meets the minimum architecture alignment requirements for DMA. 979 * Such a buffer is useful for DMA operations where flushing and invalidating 980 * the cache before and after a read and/or write operation is required for 981 * correct operations. 982 * 983 * When called the macro creates an array on the stack that is sized such 984 * that: 985 * 986 * 1) The beginning of the array can be advanced enough to be aligned. 987 * 988 * 2) The size of the aligned portion of the array is a multiple of the minimum 989 * architecture alignment required for DMA. 990 * 991 * 3) The aligned portion contains enough space for the original number of 992 * elements requested. 993 * 994 * The macro then creates a pointer to the aligned portion of this array and 995 * assigns to the pointer the address of the first element in the aligned 996 * portion of the array. 997 * 998 * Calling the macro as: 999 * 1000 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1001 * 1002 * Will result in something similar to saying: 1003 * 1004 * uint32_t buffer[1024]; 1005 * 1006 * The following differences exist: 1007 * 1008 * 1) The resulting buffer is guaranteed to be aligned to the value of 1009 * ARCH_DMA_MINALIGN. 1010 * 1011 * 2) The buffer variable created by the macro is a pointer to the specified 1012 * type, and NOT an array of the specified type. This can be very important 1013 * if you want the address of the buffer, which you probably do, to pass it 1014 * to the DMA hardware. The value of &buffer is different in the two cases. 1015 * In the macro case it will be the address of the pointer, not the address 1016 * of the space reserved for the buffer. However, in the second case it 1017 * would be the address of the buffer. So if you are replacing hard coded 1018 * stack buffers with this macro you need to make sure you remove the & from 1019 * the locations where you are taking the address of the buffer. 1020 * 1021 * Note that the size parameter is the number of array elements to allocate, 1022 * not the number of bytes. 1023 * 1024 * This macro can not be used outside of function scope, or for the creation 1025 * of a function scoped static buffer. It can not be used to create a cache 1026 * line aligned global buffer. 1027 */ 1028 #define PAD_COUNT(s, pad) ((s - 1) / pad + 1) 1029 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1030 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1031 char __##name[ROUND(PAD_SIZE(size * sizeof(type), pad), align) \ 1032 + (align - 1)]; \ 1033 \ 1034 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1035 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1036 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1037 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1038 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1039 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1040 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1041 1042 /* 1043 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1044 * purpose is to allow allocating aligned buffers outside of function scope. 1045 * Usage of this macro shall be avoided or used with extreme care! 1046 */ 1047 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1048 static char __##name[roundup(size * sizeof(type), align)] \ 1049 __aligned(align); \ 1050 \ 1051 static type *name = (type *)__##name 1052 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1053 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1054 1055 /* Pull in stuff for the build system */ 1056 #ifdef DO_DEPS_ONLY 1057 # include <environment.h> 1058 #endif 1059 1060 #endif /* __COMMON_H_ */ 1061