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/$(ARCH)/lib/board.c */ 321 void board_init_f(ulong); 322 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 323 int checkboard (void); 324 int checkflash (void); 325 int checkdram (void); 326 int last_stage_init(void); 327 extern ulong monitor_flash_len; 328 int mac_read_from_eeprom(void); 329 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 330 int set_cpu_clk_info(void); 331 int print_cpuinfo(void); 332 int update_flash_size(int flash_size); 333 334 /** 335 * Show the DRAM size in a board-specific way 336 * 337 * This is used by boards to display DRAM information in their own way. 338 * 339 * @param size Size of DRAM (which should be displayed along with other info) 340 */ 341 void board_show_dram(ulong size); 342 343 /** 344 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 345 * 346 * Defined in arch/$(ARCH)/lib/bootm.c 347 * 348 * @blob: FDT blob to write to 349 * @return 0 if ok, or -ve FDT_ERR_... on failure 350 */ 351 int arch_fixup_memory_node(void *blob); 352 353 /* common/flash.c */ 354 void flash_perror (int); 355 356 /* common/cmd_source.c */ 357 int source (ulong addr, const char *fit_uname); 358 359 extern ulong load_addr; /* Default Load Address */ 360 extern ulong save_addr; /* Default Save Address */ 361 extern ulong save_size; /* Default Save Size */ 362 363 /* common/cmd_doc.c */ 364 void doc_probe(unsigned long physadr); 365 366 /* common/cmd_net.c */ 367 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 368 369 /* common/cmd_fat.c */ 370 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 371 372 /* common/cmd_ext2.c */ 373 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 374 375 /* common/cmd_nvedit.c */ 376 int env_init (void); 377 void env_relocate (void); 378 int envmatch (uchar *, int); 379 char *getenv (const char *); 380 int getenv_f (const char *name, char *buf, unsigned len); 381 ulong getenv_ulong(const char *name, int base, ulong default_val); 382 383 /** 384 * getenv_hex() - Return an environment variable as a hex value 385 * 386 * Decode an environment as a hex number (it may or may not have a 0x 387 * prefix). If the environment variable cannot be found, or does not start 388 * with hex digits, the default value is returned. 389 * 390 * @varname: Variable to decode 391 * @default_val: Value to return on error 392 */ 393 ulong getenv_hex(const char *varname, ulong default_val); 394 395 /* 396 * Read an environment variable as a boolean 397 * Return -1 if variable does not exist (default to true) 398 */ 399 int getenv_yesno(const char *var); 400 int saveenv (void); 401 int setenv (const char *, const char *); 402 int setenv_ulong(const char *varname, ulong value); 403 int setenv_hex(const char *varname, ulong value); 404 /** 405 * setenv_addr - Set an environment variable to an address in hex 406 * 407 * @varname: Environmet variable to set 408 * @addr: Value to set it to 409 * @return 0 if ok, 1 on error 410 */ 411 static inline int setenv_addr(const char *varname, const void *addr) 412 { 413 return setenv_hex(varname, (ulong)addr); 414 } 415 416 #ifdef CONFIG_ARM 417 # include <asm/mach-types.h> 418 # include <asm/setup.h> 419 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 420 #endif /* CONFIG_ARM */ 421 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 422 # include <asm/u-boot-x86.h> 423 #endif /* CONFIG_X86 */ 424 #ifdef CONFIG_SANDBOX 425 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 426 #endif 427 #ifdef CONFIG_NDS32 428 # include <asm/mach-types.h> 429 # include <asm/u-boot-nds32.h> 430 #endif /* CONFIG_NDS32 */ 431 #ifdef CONFIG_MIPS 432 # include <asm/u-boot-mips.h> 433 #endif /* CONFIG_MIPS */ 434 435 #ifdef CONFIG_AUTO_COMPLETE 436 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 437 #endif 438 int get_env_id (void); 439 440 void pci_init (void); 441 void pci_init_board(void); 442 void pciinfo (int, int); 443 444 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 445 int pci_pre_init (struct pci_controller *); 446 int is_pci_host (struct pci_controller *); 447 #endif 448 449 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 450 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 451 void pci_target_init (struct pci_controller *); 452 # endif 453 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 454 void pci_master_init (struct pci_controller *); 455 # endif 456 #if defined(CONFIG_440SPE) || \ 457 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 458 defined(CONFIG_405EX) 459 void pcie_setup_hoses(int busno); 460 #endif 461 #endif 462 463 int misc_init_f (void); 464 int misc_init_r (void); 465 466 /* common/exports.c */ 467 void jumptable_init(void); 468 469 /* common/kallsysm.c */ 470 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 471 472 /* api/api.c */ 473 void api_init (void); 474 475 /* common/memsize.c */ 476 long get_ram_size (long *, long); 477 478 /* $(BOARD)/$(BOARD).c */ 479 void reset_phy (void); 480 void fdc_hw_init (void); 481 482 /* $(BOARD)/eeprom.c */ 483 void eeprom_init (void); 484 #ifndef CONFIG_SPI 485 int eeprom_probe (unsigned dev_addr, unsigned offset); 486 #endif 487 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 488 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 489 #ifdef CONFIG_LWMON 490 extern uchar pic_read (uchar reg); 491 extern void pic_write (uchar reg, uchar val); 492 #endif 493 494 /* 495 * Set this up regardless of board 496 * type, to prevent errors. 497 */ 498 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 499 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 500 #else 501 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 502 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 503 #endif 504 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 505 506 #if defined(CONFIG_SPI) 507 extern void spi_init_f (void); 508 extern void spi_init_r (void); 509 extern ssize_t spi_read (uchar *, int, uchar *, int); 510 extern ssize_t spi_write (uchar *, int, uchar *, int); 511 #endif 512 513 #ifdef CONFIG_RPXCLASSIC 514 void rpxclassic_init (void); 515 #endif 516 517 void rpxlite_init (void); 518 519 #ifdef CONFIG_MBX 520 /* $(BOARD)/mbx8xx.c */ 521 void mbx_init (void); 522 void board_serial_init (void); 523 void board_ether_init (void); 524 #endif 525 526 #ifdef CONFIG_HERMES 527 /* $(BOARD)/hermes.c */ 528 void hermes_start_lxt980 (int speed); 529 #endif 530 531 #ifdef CONFIG_EVB64260 532 void evb64260_init(void); 533 void debug_led(int, int); 534 void display_mem_map(void); 535 void perform_soft_reset(void); 536 #endif 537 538 /* $(BOARD)/$(BOARD).c */ 539 int board_early_init_f (void); 540 int board_late_init (void); 541 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 542 int board_early_init_r (void); 543 void board_poweroff (void); 544 545 #if defined(CONFIG_SYS_DRAM_TEST) 546 int testdram(void); 547 #endif /* CONFIG_SYS_DRAM_TEST */ 548 549 /* $(CPU)/start.S */ 550 #if defined(CONFIG_5xx) || \ 551 defined(CONFIG_8xx) 552 uint get_immr (uint); 553 #endif 554 uint get_pir (void); 555 #if defined(CONFIG_MPC5xxx) 556 uint get_svr (void); 557 #endif 558 uint get_pvr (void); 559 uint get_svr (void); 560 uint rd_ic_cst (void); 561 void wr_ic_cst (uint); 562 void wr_ic_adr (uint); 563 uint rd_dc_cst (void); 564 void wr_dc_cst (uint); 565 void wr_dc_adr (uint); 566 int icache_status (void); 567 void icache_enable (void); 568 void icache_disable(void); 569 int dcache_status (void); 570 void dcache_enable (void); 571 void dcache_disable(void); 572 void mmu_disable(void); 573 #if defined(CONFIG_ARM) 574 void relocate_code(ulong); 575 #else 576 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 577 #endif 578 ulong get_endaddr (void); 579 void trap_init (ulong); 580 #if defined (CONFIG_4xx) || \ 581 defined (CONFIG_MPC5xxx) || \ 582 defined (CONFIG_74xx_7xx) || \ 583 defined (CONFIG_74x) || \ 584 defined (CONFIG_75x) || \ 585 defined (CONFIG_74xx) || \ 586 defined (CONFIG_MPC8220) || \ 587 defined (CONFIG_MPC85xx) || \ 588 defined (CONFIG_MPC86xx) || \ 589 defined (CONFIG_MPC83xx) 590 unsigned char in8(unsigned int); 591 void out8(unsigned int, unsigned char); 592 unsigned short in16(unsigned int); 593 unsigned short in16r(unsigned int); 594 void out16(unsigned int, unsigned short value); 595 void out16r(unsigned int, unsigned short value); 596 unsigned long in32(unsigned int); 597 unsigned long in32r(unsigned int); 598 void out32(unsigned int, unsigned long value); 599 void out32r(unsigned int, unsigned long value); 600 void ppcDcbf(unsigned long value); 601 void ppcDcbi(unsigned long value); 602 void ppcSync(void); 603 void ppcDcbz(unsigned long value); 604 #endif 605 #if defined (CONFIG_MICROBLAZE) 606 unsigned short in16(unsigned int); 607 void out16(unsigned int, unsigned short value); 608 #endif 609 610 #if defined (CONFIG_MPC83xx) 611 void ppcDWload(unsigned int *addr, unsigned int *ret); 612 void ppcDWstore(unsigned int *addr, unsigned int *value); 613 void disable_addr_trans(void); 614 void enable_addr_trans(void); 615 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 616 void ddr_enable_ecc(unsigned int dram_size); 617 #endif 618 #endif 619 620 /* $(CPU)/cpu.c */ 621 static inline int cpumask_next(int cpu, unsigned int mask) 622 { 623 for (cpu++; !((1 << cpu) & mask); cpu++) 624 ; 625 626 return cpu; 627 } 628 629 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 630 for (iter = 0, cpu = cpumask_next(-1, mask); \ 631 iter < num_cpus; \ 632 iter++, cpu = cpumask_next(cpu, mask)) \ 633 634 int cpu_numcores (void); 635 u32 cpu_mask (void); 636 int is_core_valid (unsigned int); 637 int probecpu (void); 638 int checkcpu (void); 639 int checkicache (void); 640 int checkdcache (void); 641 void upmconfig (unsigned int, unsigned int *, unsigned int); 642 ulong get_tbclk (void); 643 void reset_cpu (ulong addr); 644 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 645 void ft_cpu_setup(void *blob, bd_t *bd); 646 #ifdef CONFIG_PCI 647 void ft_pci_setup(void *blob, bd_t *bd); 648 #endif 649 #endif 650 651 652 /* $(CPU)/serial.c */ 653 int serial_init (void); 654 void serial_setbrg (void); 655 void serial_putc (const char); 656 void serial_putc_raw(const char); 657 void serial_puts (const char *); 658 int serial_getc (void); 659 int serial_tstc (void); 660 661 void _serial_setbrg (const int); 662 void _serial_putc (const char, const int); 663 void _serial_putc_raw(const char, const int); 664 void _serial_puts (const char *, const int); 665 int _serial_getc (const int); 666 int _serial_tstc (const int); 667 668 /* $(CPU)/speed.c */ 669 int get_clocks (void); 670 int get_clocks_866 (void); 671 int sdram_adjust_866 (void); 672 int adjust_sdram_tbs_8xx (void); 673 #if defined(CONFIG_8260) 674 int prt_8260_clks (void); 675 #elif defined(CONFIG_MPC5xxx) 676 int prt_mpc5xxx_clks (void); 677 #endif 678 #if defined(CONFIG_MPC8220) 679 int prt_mpc8220_clks (void); 680 #endif 681 #ifdef CONFIG_4xx 682 ulong get_OPB_freq (void); 683 ulong get_PCI_freq (void); 684 #endif 685 #if defined(CONFIG_S3C24X0) || \ 686 defined(CONFIG_LH7A40X) || \ 687 defined(CONFIG_EP93XX) 688 ulong get_FCLK (void); 689 ulong get_HCLK (void); 690 ulong get_PCLK (void); 691 ulong get_UCLK (void); 692 #endif 693 #if defined(CONFIG_LH7A40X) 694 ulong get_PLLCLK (void); 695 #endif 696 #if defined CONFIG_INCA_IP 697 uint incaip_get_cpuclk (void); 698 #endif 699 #if defined(CONFIG_IMX) 700 ulong get_systemPLLCLK(void); 701 ulong get_FCLK(void); 702 ulong get_HCLK(void); 703 ulong get_BCLK(void); 704 ulong get_PERCLK1(void); 705 ulong get_PERCLK2(void); 706 ulong get_PERCLK3(void); 707 #endif 708 ulong get_bus_freq (ulong); 709 int get_serial_clock(void); 710 711 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 712 ulong get_ddr_freq(ulong); 713 #endif 714 #if defined(CONFIG_MPC85xx) 715 typedef MPC85xx_SYS_INFO sys_info_t; 716 void get_sys_info ( sys_info_t * ); 717 #endif 718 #if defined(CONFIG_MPC86xx) 719 typedef MPC86xx_SYS_INFO sys_info_t; 720 void get_sys_info ( sys_info_t * ); 721 static inline ulong get_ddr_freq(ulong dummy) 722 { 723 return get_bus_freq(dummy); 724 } 725 #endif 726 727 #if defined(CONFIG_4xx) 728 # if defined(CONFIG_440) 729 # if defined(CONFIG_440SPE) 730 unsigned long determine_sysper(void); 731 unsigned long determine_pci_clock_per(void); 732 # endif 733 # endif 734 typedef PPC4xx_SYS_INFO sys_info_t; 735 int ppc440spe_revB(void); 736 void get_sys_info ( sys_info_t * ); 737 #endif 738 739 /* $(CPU)/cpu_init.c */ 740 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 741 void cpu_init_f (volatile immap_t *immr); 742 #endif 743 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 744 void cpu_init_f (void); 745 #endif 746 747 int cpu_init_r (void); 748 #if defined(CONFIG_8260) 749 int prt_8260_rsr (void); 750 #elif defined(CONFIG_MPC83xx) 751 int prt_83xx_rsr (void); 752 #endif 753 754 /* $(CPU)/interrupts.c */ 755 int interrupt_init (void); 756 void timer_interrupt (struct pt_regs *); 757 void external_interrupt (struct pt_regs *); 758 void irq_install_handler(int, interrupt_handler_t *, void *); 759 void irq_free_handler (int); 760 void reset_timer (void); 761 ulong get_timer (ulong base); 762 void enable_interrupts (void); 763 int disable_interrupts (void); 764 765 /* $(CPU)/.../commproc.c */ 766 int dpram_init (void); 767 uint dpram_base(void); 768 uint dpram_base_align(uint align); 769 uint dpram_alloc(uint size); 770 uint dpram_alloc_align(uint size,uint align); 771 void bootcount_store (ulong); 772 ulong bootcount_load (void); 773 #define BOOTCOUNT_MAGIC 0xB001C041 774 775 /* $(CPU)/.../<eth> */ 776 void mii_init (void); 777 778 /* $(CPU)/.../lcd.c */ 779 ulong lcd_setmem (ulong); 780 781 /* $(CPU)/.../video.c */ 782 ulong video_setmem (ulong); 783 784 /* arch/$(ARCH)/lib/cache.c */ 785 void enable_caches(void); 786 void flush_cache (unsigned long, unsigned long); 787 void flush_dcache_all(void); 788 void flush_dcache_range(unsigned long start, unsigned long stop); 789 void invalidate_dcache_range(unsigned long start, unsigned long stop); 790 void invalidate_dcache_all(void); 791 void invalidate_icache_all(void); 792 793 /* arch/$(ARCH)/lib/ticks.S */ 794 unsigned long long get_ticks(void); 795 void wait_ticks (unsigned long); 796 797 /* arch/$(ARCH)/lib/time.c */ 798 void __udelay (unsigned long); 799 ulong usec2ticks (unsigned long usec); 800 ulong ticks2usec (unsigned long ticks); 801 int init_timebase (void); 802 803 /* lib/gunzip.c */ 804 int gunzip(void *, int, unsigned char *, unsigned long *); 805 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 806 int stoponerr, int offset); 807 808 /* lib/qsort.c */ 809 void qsort(void *base, size_t nmemb, size_t size, 810 int(*compar)(const void *, const void *)); 811 int strcmp_compar(const void *, const void *); 812 813 /* lib/time.c */ 814 void udelay (unsigned long); 815 void mdelay(unsigned long); 816 817 /* lib/uuid.c */ 818 void uuid_str_to_bin(const char *uuid, unsigned char *out); 819 int uuid_str_valid(const char *uuid); 820 821 /* lib/vsprintf.c */ 822 #include <vsprintf.h> 823 824 /* lib/strmhz.c */ 825 char * strmhz(char *buf, unsigned long hz); 826 827 /* lib/crc32.c */ 828 #include <u-boot/crc.h> 829 830 /* lib/rand.c */ 831 #if defined(CONFIG_RANDOM_MACADDR) || \ 832 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 833 defined(CONFIG_CMD_LINK_LOCAL) 834 #define RAND_MAX -1U 835 void srand(unsigned int seed); 836 unsigned int rand(void); 837 unsigned int rand_r(unsigned int *seedp); 838 #endif 839 840 /* common/console.c */ 841 int console_init_f(void); /* Before relocation; uses the serial stuff */ 842 int console_init_r(void); /* After relocation; uses the console stuff */ 843 int console_assign(int file, const char *devname); /* Assign the console */ 844 int ctrlc (void); 845 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 846 void clear_ctrlc (void); /* clear the Control-C condition */ 847 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 848 849 /* 850 * STDIO based functions (can always be used) 851 */ 852 /* serial stuff */ 853 int serial_printf (const char *fmt, ...) 854 __attribute__ ((format (__printf__, 1, 2))); 855 /* stdin */ 856 int getc(void); 857 int tstc(void); 858 859 /* stdout */ 860 void putc(const char c); 861 void puts(const char *s); 862 int printf(const char *fmt, ...) 863 __attribute__ ((format (__printf__, 1, 2))); 864 int vprintf(const char *fmt, va_list args); 865 866 /* stderr */ 867 #define eputc(c) fputc(stderr, c) 868 #define eputs(s) fputs(stderr, s) 869 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 870 871 /* 872 * FILE based functions (can only be used AFTER relocation!) 873 */ 874 #define stdin 0 875 #define stdout 1 876 #define stderr 2 877 #define MAX_FILES 3 878 879 int fprintf(int file, const char *fmt, ...) 880 __attribute__ ((format (__printf__, 2, 3))); 881 void fputs(int file, const char *s); 882 void fputc(int file, const char c); 883 int ftstc(int file); 884 int fgetc(int file); 885 886 /* lib/gzip.c */ 887 int gzip(void *dst, unsigned long *lenp, 888 unsigned char *src, unsigned long srclen); 889 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 890 unsigned long srclen, int stoponerr, 891 int (*func)(unsigned long, unsigned long)); 892 893 /* lib/net_utils.c */ 894 #include <net.h> 895 static inline IPaddr_t getenv_IPaddr(char *var) 896 { 897 return string_to_ip(getenv(var)); 898 } 899 900 /* 901 * CONSOLE multiplexing. 902 */ 903 #ifdef CONFIG_CONSOLE_MUX 904 #include <iomux.h> 905 #endif 906 907 int pcmcia_init (void); 908 909 #ifdef CONFIG_STATUS_LED 910 # include <status_led.h> 911 #endif 912 913 #include <bootstage.h> 914 915 #ifdef CONFIG_SHOW_ACTIVITY 916 void show_activity(int arg); 917 #endif 918 919 /* Multicore arch functions */ 920 #ifdef CONFIG_MP 921 int cpu_status(int nr); 922 int cpu_reset(int nr); 923 int cpu_disable(int nr); 924 int cpu_release(int nr, int argc, char * const argv[]); 925 #endif 926 927 /* Define a null map_sysmem() if the architecture doesn't use it */ 928 # ifndef CONFIG_ARCH_MAP_SYSMEM 929 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 930 { 931 return (void *)(uintptr_t)paddr; 932 } 933 934 static inline void unmap_sysmem(const void *vaddr) 935 { 936 } 937 938 static inline phys_addr_t map_to_sysmem(void *ptr) 939 { 940 return (phys_addr_t)(uintptr_t)ptr; 941 } 942 # endif 943 944 #endif /* __ASSEMBLY__ */ 945 946 #ifdef CONFIG_PPC 947 /* 948 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 949 * Otherwise might lead to compilation errors in assembler files. 950 */ 951 #include <asm/cache.h> 952 #endif 953 954 /* Put only stuff here that the assembler can digest */ 955 956 #ifdef CONFIG_POST 957 #define CONFIG_HAS_POST 958 #ifndef CONFIG_POST_ALT_LIST 959 #define CONFIG_POST_STD_LIST 960 #endif 961 #endif 962 963 #ifdef CONFIG_INIT_CRITICAL 964 #error CONFIG_INIT_CRITICAL is deprecated! 965 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 966 #endif 967 968 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 969 970 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 971 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 972 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 973 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 974 975 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 976 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 977 978 /* 979 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 980 * is used to align DMA buffers. 981 */ 982 #ifndef __ASSEMBLY__ 983 #include <asm/cache.h> 984 #endif 985 986 /* 987 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 988 * stack that meets the minimum architecture alignment requirements for DMA. 989 * Such a buffer is useful for DMA operations where flushing and invalidating 990 * the cache before and after a read and/or write operation is required for 991 * correct operations. 992 * 993 * When called the macro creates an array on the stack that is sized such 994 * that: 995 * 996 * 1) The beginning of the array can be advanced enough to be aligned. 997 * 998 * 2) The size of the aligned portion of the array is a multiple of the minimum 999 * architecture alignment required for DMA. 1000 * 1001 * 3) The aligned portion contains enough space for the original number of 1002 * elements requested. 1003 * 1004 * The macro then creates a pointer to the aligned portion of this array and 1005 * assigns to the pointer the address of the first element in the aligned 1006 * portion of the array. 1007 * 1008 * Calling the macro as: 1009 * 1010 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1011 * 1012 * Will result in something similar to saying: 1013 * 1014 * uint32_t buffer[1024]; 1015 * 1016 * The following differences exist: 1017 * 1018 * 1) The resulting buffer is guaranteed to be aligned to the value of 1019 * ARCH_DMA_MINALIGN. 1020 * 1021 * 2) The buffer variable created by the macro is a pointer to the specified 1022 * type, and NOT an array of the specified type. This can be very important 1023 * if you want the address of the buffer, which you probably do, to pass it 1024 * to the DMA hardware. The value of &buffer is different in the two cases. 1025 * In the macro case it will be the address of the pointer, not the address 1026 * of the space reserved for the buffer. However, in the second case it 1027 * would be the address of the buffer. So if you are replacing hard coded 1028 * stack buffers with this macro you need to make sure you remove the & from 1029 * the locations where you are taking the address of the buffer. 1030 * 1031 * Note that the size parameter is the number of array elements to allocate, 1032 * not the number of bytes. 1033 * 1034 * This macro can not be used outside of function scope, or for the creation 1035 * of a function scoped static buffer. It can not be used to create a cache 1036 * line aligned global buffer. 1037 */ 1038 #define PAD_COUNT(s, pad) ((s - 1) / pad + 1) 1039 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1040 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1041 char __##name[ROUND(PAD_SIZE(size * sizeof(type), pad), align) \ 1042 + (align - 1)]; \ 1043 \ 1044 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1045 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1046 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1047 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1048 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1049 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1050 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1051 1052 /* 1053 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1054 * purpose is to allow allocating aligned buffers outside of function scope. 1055 * Usage of this macro shall be avoided or used with extreme care! 1056 */ 1057 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1058 static char __##name[roundup(size * sizeof(type), align)] \ 1059 __aligned(align); \ 1060 \ 1061 static type *name = (type *)__##name 1062 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1063 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1064 1065 /* Pull in stuff for the build system */ 1066 #ifdef DO_DEPS_ONLY 1067 # include <environment.h> 1068 #endif 1069 1070 #endif /* __COMMON_H_ */ 1071