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_8260) 75 #if defined(CONFIG_MPC8247) \ 76 || defined(CONFIG_MPC8248) \ 77 || defined(CONFIG_MPC8271) \ 78 || defined(CONFIG_MPC8272) 79 #define CONFIG_MPC8272_FAMILY 1 80 #endif 81 #if defined(CONFIG_MPC8272_FAMILY) 82 #define CONFIG_MPC8260 1 83 #endif 84 #include <asm/immap_8260.h> 85 #endif 86 #ifdef CONFIG_MPC86xx 87 #include <mpc86xx.h> 88 #include <asm/immap_86xx.h> 89 #endif 90 #ifdef CONFIG_MPC85xx 91 #include <mpc85xx.h> 92 #include <asm/immap_85xx.h> 93 #endif 94 #ifdef CONFIG_MPC83xx 95 #include <mpc83xx.h> 96 #include <asm/immap_83xx.h> 97 #endif 98 #ifdef CONFIG_4xx 99 #include <asm/ppc4xx.h> 100 #endif 101 #ifdef CONFIG_HYMOD 102 #include <board/hymod/hymod.h> 103 #endif 104 #ifdef CONFIG_ARM 105 #define asmlinkage /* nothing */ 106 #endif 107 #ifdef CONFIG_BLACKFIN 108 #include <asm/blackfin.h> 109 #endif 110 #ifdef CONFIG_SOC_DA8XX 111 #include <asm/arch/hardware.h> 112 #endif 113 114 #include <part.h> 115 #include <flash.h> 116 #include <image.h> 117 118 #ifdef DEBUG 119 #define _DEBUG 1 120 #else 121 #define _DEBUG 0 122 #endif 123 124 /* 125 * Output a debug text when condition "cond" is met. The "cond" should be 126 * computed by a preprocessor in the best case, allowing for the best 127 * optimization. 128 */ 129 #define debug_cond(cond, fmt, args...) \ 130 do { \ 131 if (cond) \ 132 printf(fmt, ##args); \ 133 } while (0) 134 135 #define debug(fmt, args...) \ 136 debug_cond(_DEBUG, fmt, ##args) 137 138 /* 139 * An assertion is run-time check done in debug mode only. If DEBUG is not 140 * defined then it is skipped. If DEBUG is defined and the assertion fails, 141 * then it calls panic*( which may or may not reset/halt U-Boot (see 142 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 143 * before release, and after release it is hoped that they don't matter. But 144 * in any case these failing assertions cannot be fixed with a reset (which 145 * may just do the same assertion again). 146 */ 147 void __assert_fail(const char *assertion, const char *file, unsigned line, 148 const char *function); 149 #define assert(x) \ 150 ({ if (!(x) && _DEBUG) \ 151 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 152 153 #define error(fmt, args...) do { \ 154 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 155 ##args, __FILE__, __LINE__, __func__); \ 156 } while (0) 157 158 #ifndef BUG 159 #define BUG() do { \ 160 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 161 panic("BUG!"); \ 162 } while (0) 163 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 164 #endif /* BUG */ 165 166 /* Force a compilation error if condition is true */ 167 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 168 169 typedef void (interrupt_handler_t)(void *); 170 171 #include <asm/u-boot.h> /* boot information for Linux kernel */ 172 #include <asm/global_data.h> /* global data used for startup functions */ 173 174 /* 175 * enable common handling for all TQM8xxL/M boards: 176 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 177 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 178 * and for the TQM885D board 179 */ 180 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 181 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 182 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 183 # ifndef CONFIG_TQM8xxM 184 # define CONFIG_TQM8xxM 185 # endif 186 #endif 187 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 188 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 189 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 190 defined(CONFIG_TQM885D) 191 # ifndef CONFIG_TQM8xxL 192 # define CONFIG_TQM8xxL 193 # endif 194 #endif 195 196 /* 197 * General Purpose Utilities 198 */ 199 #define min(X, Y) \ 200 ({ typeof(X) __x = (X); \ 201 typeof(Y) __y = (Y); \ 202 (__x < __y) ? __x : __y; }) 203 204 #define max(X, Y) \ 205 ({ typeof(X) __x = (X); \ 206 typeof(Y) __y = (Y); \ 207 (__x > __y) ? __x : __y; }) 208 209 #define MIN(x, y) min(x, y) 210 #define MAX(x, y) max(x, y) 211 212 #define min3(X, Y, Z) \ 213 ({ typeof(X) __x = (X); \ 214 typeof(Y) __y = (Y); \ 215 typeof(Z) __z = (Z); \ 216 __x < __y ? (__x < __z ? __x : __z) : \ 217 (__y < __z ? __y : __z); }) 218 219 #define max3(X, Y, Z) \ 220 ({ typeof(X) __x = (X); \ 221 typeof(Y) __y = (Y); \ 222 typeof(Z) __z = (Z); \ 223 __x > __y ? (__x > __z ? __x : __z) : \ 224 (__y > __z ? __y : __z); }) 225 226 #define MIN3(x, y, z) min3(x, y, z) 227 #define MAX3(x, y, z) max3(x, y, z) 228 229 /* 230 * Return the absolute value of a number. 231 * 232 * This handles unsigned and signed longs, ints, shorts and chars. For all 233 * input types abs() returns a signed long. 234 * 235 * For 64-bit types, use abs64() 236 */ 237 #define abs(x) ({ \ 238 long ret; \ 239 if (sizeof(x) == sizeof(long)) { \ 240 long __x = (x); \ 241 ret = (__x < 0) ? -__x : __x; \ 242 } else { \ 243 int __x = (x); \ 244 ret = (__x < 0) ? -__x : __x; \ 245 } \ 246 ret; \ 247 }) 248 249 #define abs64(x) ({ \ 250 s64 __x = (x); \ 251 (__x < 0) ? -__x : __x; \ 252 }) 253 254 #if defined(CONFIG_ENV_IS_EMBEDDED) 255 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 256 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 257 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 258 defined(CONFIG_ENV_IS_IN_NVRAM) 259 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 260 #else 261 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 262 #endif 263 264 /** 265 * container_of - cast a member of a structure out to the containing structure 266 * @ptr: the pointer to the member. 267 * @type: the type of the container struct this is embedded in. 268 * @member: the name of the member within the struct. 269 * 270 */ 271 #define container_of(ptr, type, member) ({ \ 272 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 273 (type *)( (char *)__mptr - offsetof(type,member) );}) 274 275 /* 276 * Function Prototypes 277 */ 278 279 void hang (void) __attribute__ ((noreturn)); 280 281 int timer_init(void); 282 int cpu_init(void); 283 284 /* */ 285 phys_size_t initdram (int); 286 int display_options (void); 287 void print_size(unsigned long long, const char *); 288 int print_buffer(ulong addr, const void *data, uint width, uint count, 289 uint linelen); 290 291 /* common/main.c */ 292 void main_loop (void); 293 int run_command(const char *cmd, int flag); 294 295 /** 296 * Run a list of commands separated by ; or even \0 297 * 298 * Note that if 'len' is not -1, then the command does not need to be nul 299 * terminated, Memory will be allocated for the command in that case. 300 * 301 * @param cmd List of commands to run, each separated bu semicolon 302 * @param len Length of commands excluding terminator if known (-1 if not) 303 * @param flag Execution flags (CMD_FLAG_...) 304 * @return 0 on success, or != 0 on error. 305 */ 306 int run_command_list(const char *cmd, int len, int flag); 307 int readline (const char *const prompt); 308 int readline_into_buffer(const char *const prompt, char *buffer, 309 int timeout); 310 int parse_line (char *, char *[]); 311 void init_cmd_timeout(void); 312 void reset_cmd_timeout(void); 313 #ifdef CONFIG_MENU 314 int abortboot(int bootdelay); 315 #endif 316 extern char console_buffer[]; 317 318 /* arch/$(ARCH)/lib/board.c */ 319 void board_init_f(ulong); 320 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 321 int checkboard (void); 322 int checkflash (void); 323 int checkdram (void); 324 int last_stage_init(void); 325 extern ulong monitor_flash_len; 326 int mac_read_from_eeprom(void); 327 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 328 int set_cpu_clk_info(void); 329 int print_cpuinfo(void); 330 int update_flash_size(int flash_size); 331 332 /** 333 * Show the DRAM size in a board-specific way 334 * 335 * This is used by boards to display DRAM information in their own way. 336 * 337 * @param size Size of DRAM (which should be displayed along with other info) 338 */ 339 void board_show_dram(ulong size); 340 341 /** 342 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 343 * 344 * Defined in arch/$(ARCH)/lib/bootm.c 345 * 346 * @blob: FDT blob to write to 347 * @return 0 if ok, or -ve FDT_ERR_... on failure 348 */ 349 int arch_fixup_memory_node(void *blob); 350 351 /* common/flash.c */ 352 void flash_perror (int); 353 354 /* common/cmd_source.c */ 355 int source (ulong addr, const char *fit_uname); 356 357 extern ulong load_addr; /* Default Load Address */ 358 extern ulong save_addr; /* Default Save Address */ 359 extern ulong save_size; /* Default Save Size */ 360 361 /* common/cmd_doc.c */ 362 void doc_probe(unsigned long physadr); 363 364 /* common/cmd_net.c */ 365 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 366 367 /* common/cmd_fat.c */ 368 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 369 370 /* common/cmd_ext2.c */ 371 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 372 373 /* common/cmd_nvedit.c */ 374 int env_init (void); 375 void env_relocate (void); 376 int envmatch (uchar *, int); 377 char *getenv (const char *); 378 int getenv_f (const char *name, char *buf, unsigned len); 379 ulong getenv_ulong(const char *name, int base, ulong default_val); 380 381 /** 382 * getenv_hex() - Return an environment variable as a hex value 383 * 384 * Decode an environment as a hex number (it may or may not have a 0x 385 * prefix). If the environment variable cannot be found, or does not start 386 * with hex digits, the default value is returned. 387 * 388 * @varname: Variable to decode 389 * @default_val: Value to return on error 390 */ 391 ulong getenv_hex(const char *varname, ulong default_val); 392 393 /* 394 * Read an environment variable as a boolean 395 * Return -1 if variable does not exist (default to true) 396 */ 397 int getenv_yesno(const char *var); 398 int saveenv (void); 399 int setenv (const char *, const char *); 400 int setenv_ulong(const char *varname, ulong value); 401 int setenv_hex(const char *varname, ulong value); 402 /** 403 * setenv_addr - Set an environment variable to an address in hex 404 * 405 * @varname: Environmet variable to set 406 * @addr: Value to set it to 407 * @return 0 if ok, 1 on error 408 */ 409 static inline int setenv_addr(const char *varname, const void *addr) 410 { 411 return setenv_hex(varname, (ulong)addr); 412 } 413 414 #ifdef CONFIG_ARM 415 # include <asm/mach-types.h> 416 # include <asm/setup.h> 417 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 418 #endif /* CONFIG_ARM */ 419 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 420 # include <asm/u-boot-x86.h> 421 #endif /* CONFIG_X86 */ 422 #ifdef CONFIG_SANDBOX 423 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 424 #endif 425 #ifdef CONFIG_NDS32 426 # include <asm/mach-types.h> 427 # include <asm/u-boot-nds32.h> 428 #endif /* CONFIG_NDS32 */ 429 #ifdef CONFIG_MIPS 430 # include <asm/u-boot-mips.h> 431 #endif /* CONFIG_MIPS */ 432 433 #ifdef CONFIG_AUTO_COMPLETE 434 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 435 #endif 436 int get_env_id (void); 437 438 void pci_init (void); 439 void pci_init_board(void); 440 void pciinfo (int, int); 441 442 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 443 int pci_pre_init (struct pci_controller *); 444 int is_pci_host (struct pci_controller *); 445 #endif 446 447 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 448 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 449 void pci_target_init (struct pci_controller *); 450 # endif 451 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 452 void pci_master_init (struct pci_controller *); 453 # endif 454 #if defined(CONFIG_440SPE) || \ 455 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 456 defined(CONFIG_405EX) 457 void pcie_setup_hoses(int busno); 458 #endif 459 #endif 460 461 int misc_init_f (void); 462 int misc_init_r (void); 463 464 /* common/exports.c */ 465 void jumptable_init(void); 466 467 /* common/kallsysm.c */ 468 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 469 470 /* api/api.c */ 471 void api_init (void); 472 473 /* common/memsize.c */ 474 long get_ram_size (long *, long); 475 476 /* $(BOARD)/$(BOARD).c */ 477 void reset_phy (void); 478 void fdc_hw_init (void); 479 480 /* $(BOARD)/eeprom.c */ 481 void eeprom_init (void); 482 #ifndef CONFIG_SPI 483 int eeprom_probe (unsigned dev_addr, unsigned offset); 484 #endif 485 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 486 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 487 #ifdef CONFIG_LWMON 488 extern uchar pic_read (uchar reg); 489 extern void pic_write (uchar reg, uchar val); 490 #endif 491 492 /* 493 * Set this up regardless of board 494 * type, to prevent errors. 495 */ 496 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 497 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 498 #else 499 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 500 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 501 #endif 502 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 503 504 #if defined(CONFIG_SPI) 505 extern void spi_init_f (void); 506 extern void spi_init_r (void); 507 extern ssize_t spi_read (uchar *, int, uchar *, int); 508 extern ssize_t spi_write (uchar *, int, uchar *, int); 509 #endif 510 511 #ifdef CONFIG_RPXCLASSIC 512 void rpxclassic_init (void); 513 #endif 514 515 void rpxlite_init (void); 516 517 #ifdef CONFIG_MBX 518 /* $(BOARD)/mbx8xx.c */ 519 void mbx_init (void); 520 void board_serial_init (void); 521 void board_ether_init (void); 522 #endif 523 524 #ifdef CONFIG_HERMES 525 /* $(BOARD)/hermes.c */ 526 void hermes_start_lxt980 (int speed); 527 #endif 528 529 #ifdef CONFIG_EVB64260 530 void evb64260_init(void); 531 void debug_led(int, int); 532 void display_mem_map(void); 533 void perform_soft_reset(void); 534 #endif 535 536 /* $(BOARD)/$(BOARD).c */ 537 int board_early_init_f (void); 538 int board_late_init (void); 539 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 540 int board_early_init_r (void); 541 void board_poweroff (void); 542 543 #if defined(CONFIG_SYS_DRAM_TEST) 544 int testdram(void); 545 #endif /* CONFIG_SYS_DRAM_TEST */ 546 547 /* $(CPU)/start.S */ 548 #if defined(CONFIG_5xx) || \ 549 defined(CONFIG_8xx) 550 uint get_immr (uint); 551 #endif 552 uint get_pir (void); 553 #if defined(CONFIG_MPC5xxx) 554 uint get_svr (void); 555 #endif 556 uint get_pvr (void); 557 uint get_svr (void); 558 uint rd_ic_cst (void); 559 void wr_ic_cst (uint); 560 void wr_ic_adr (uint); 561 uint rd_dc_cst (void); 562 void wr_dc_cst (uint); 563 void wr_dc_adr (uint); 564 int icache_status (void); 565 void icache_enable (void); 566 void icache_disable(void); 567 int dcache_status (void); 568 void dcache_enable (void); 569 void dcache_disable(void); 570 void mmu_disable(void); 571 #if defined(CONFIG_ARM) 572 void relocate_code(ulong); 573 #else 574 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 575 #endif 576 ulong get_endaddr (void); 577 void trap_init (ulong); 578 #if defined (CONFIG_4xx) || \ 579 defined (CONFIG_MPC5xxx) || \ 580 defined (CONFIG_74xx_7xx) || \ 581 defined (CONFIG_74x) || \ 582 defined (CONFIG_75x) || \ 583 defined (CONFIG_74xx) || \ 584 defined (CONFIG_MPC85xx) || \ 585 defined (CONFIG_MPC86xx) || \ 586 defined (CONFIG_MPC83xx) 587 unsigned char in8(unsigned int); 588 void out8(unsigned int, unsigned char); 589 unsigned short in16(unsigned int); 590 unsigned short in16r(unsigned int); 591 void out16(unsigned int, unsigned short value); 592 void out16r(unsigned int, unsigned short value); 593 unsigned long in32(unsigned int); 594 unsigned long in32r(unsigned int); 595 void out32(unsigned int, unsigned long value); 596 void out32r(unsigned int, unsigned long value); 597 void ppcDcbf(unsigned long value); 598 void ppcDcbi(unsigned long value); 599 void ppcSync(void); 600 void ppcDcbz(unsigned long value); 601 #endif 602 #if defined (CONFIG_MICROBLAZE) 603 unsigned short in16(unsigned int); 604 void out16(unsigned int, unsigned short value); 605 #endif 606 607 #if defined (CONFIG_MPC83xx) 608 void ppcDWload(unsigned int *addr, unsigned int *ret); 609 void ppcDWstore(unsigned int *addr, unsigned int *value); 610 void disable_addr_trans(void); 611 void enable_addr_trans(void); 612 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 613 void ddr_enable_ecc(unsigned int dram_size); 614 #endif 615 #endif 616 617 /* $(CPU)/cpu.c */ 618 static inline int cpumask_next(int cpu, unsigned int mask) 619 { 620 for (cpu++; !((1 << cpu) & mask); cpu++) 621 ; 622 623 return cpu; 624 } 625 626 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 627 for (iter = 0, cpu = cpumask_next(-1, mask); \ 628 iter < num_cpus; \ 629 iter++, cpu = cpumask_next(cpu, mask)) \ 630 631 int cpu_numcores (void); 632 u32 cpu_mask (void); 633 int is_core_valid (unsigned int); 634 int probecpu (void); 635 int checkcpu (void); 636 int checkicache (void); 637 int checkdcache (void); 638 void upmconfig (unsigned int, unsigned int *, unsigned int); 639 ulong get_tbclk (void); 640 void reset_cpu (ulong addr); 641 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 642 void ft_cpu_setup(void *blob, bd_t *bd); 643 #ifdef CONFIG_PCI 644 void ft_pci_setup(void *blob, bd_t *bd); 645 #endif 646 #endif 647 648 649 /* $(CPU)/serial.c */ 650 int serial_init (void); 651 void serial_setbrg (void); 652 void serial_putc (const char); 653 void serial_putc_raw(const char); 654 void serial_puts (const char *); 655 int serial_getc (void); 656 int serial_tstc (void); 657 658 void _serial_setbrg (const int); 659 void _serial_putc (const char, const int); 660 void _serial_putc_raw(const char, const int); 661 void _serial_puts (const char *, const int); 662 int _serial_getc (const int); 663 int _serial_tstc (const int); 664 665 /* $(CPU)/speed.c */ 666 int get_clocks (void); 667 int get_clocks_866 (void); 668 int sdram_adjust_866 (void); 669 int adjust_sdram_tbs_8xx (void); 670 #if defined(CONFIG_8260) 671 int prt_8260_clks (void); 672 #elif defined(CONFIG_MPC5xxx) 673 int prt_mpc5xxx_clks (void); 674 #endif 675 #ifdef CONFIG_4xx 676 ulong get_OPB_freq (void); 677 ulong get_PCI_freq (void); 678 #endif 679 #if defined(CONFIG_S3C24X0) || \ 680 defined(CONFIG_LH7A40X) || \ 681 defined(CONFIG_EP93XX) 682 ulong get_FCLK (void); 683 ulong get_HCLK (void); 684 ulong get_PCLK (void); 685 ulong get_UCLK (void); 686 #endif 687 #if defined(CONFIG_LH7A40X) 688 ulong get_PLLCLK (void); 689 #endif 690 #if defined CONFIG_INCA_IP 691 uint incaip_get_cpuclk (void); 692 #endif 693 #if defined(CONFIG_IMX) 694 ulong get_systemPLLCLK(void); 695 ulong get_FCLK(void); 696 ulong get_HCLK(void); 697 ulong get_BCLK(void); 698 ulong get_PERCLK1(void); 699 ulong get_PERCLK2(void); 700 ulong get_PERCLK3(void); 701 #endif 702 ulong get_bus_freq (ulong); 703 int get_serial_clock(void); 704 705 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 706 ulong get_ddr_freq(ulong); 707 #endif 708 #if defined(CONFIG_MPC85xx) 709 typedef MPC85xx_SYS_INFO sys_info_t; 710 void get_sys_info ( sys_info_t * ); 711 #endif 712 #if defined(CONFIG_MPC86xx) 713 typedef MPC86xx_SYS_INFO sys_info_t; 714 void get_sys_info ( sys_info_t * ); 715 static inline ulong get_ddr_freq(ulong dummy) 716 { 717 return get_bus_freq(dummy); 718 } 719 #endif 720 721 #if defined(CONFIG_4xx) 722 # if defined(CONFIG_440) 723 # if defined(CONFIG_440SPE) 724 unsigned long determine_sysper(void); 725 unsigned long determine_pci_clock_per(void); 726 # endif 727 # endif 728 typedef PPC4xx_SYS_INFO sys_info_t; 729 int ppc440spe_revB(void); 730 void get_sys_info ( sys_info_t * ); 731 #endif 732 733 /* $(CPU)/cpu_init.c */ 734 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 735 void cpu_init_f (volatile immap_t *immr); 736 #endif 737 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 738 void cpu_init_f (void); 739 #endif 740 741 int cpu_init_r (void); 742 #if defined(CONFIG_8260) 743 int prt_8260_rsr (void); 744 #elif defined(CONFIG_MPC83xx) 745 int prt_83xx_rsr (void); 746 #endif 747 748 /* $(CPU)/interrupts.c */ 749 int interrupt_init (void); 750 void timer_interrupt (struct pt_regs *); 751 void external_interrupt (struct pt_regs *); 752 void irq_install_handler(int, interrupt_handler_t *, void *); 753 void irq_free_handler (int); 754 void reset_timer (void); 755 ulong get_timer (ulong base); 756 void enable_interrupts (void); 757 int disable_interrupts (void); 758 759 /* $(CPU)/.../commproc.c */ 760 int dpram_init (void); 761 uint dpram_base(void); 762 uint dpram_base_align(uint align); 763 uint dpram_alloc(uint size); 764 uint dpram_alloc_align(uint size,uint align); 765 void bootcount_store (ulong); 766 ulong bootcount_load (void); 767 #define BOOTCOUNT_MAGIC 0xB001C041 768 769 /* $(CPU)/.../<eth> */ 770 void mii_init (void); 771 772 /* $(CPU)/.../lcd.c */ 773 ulong lcd_setmem (ulong); 774 775 /* $(CPU)/.../video.c */ 776 ulong video_setmem (ulong); 777 778 /* arch/$(ARCH)/lib/cache.c */ 779 void enable_caches(void); 780 void flush_cache (unsigned long, unsigned long); 781 void flush_dcache_all(void); 782 void flush_dcache_range(unsigned long start, unsigned long stop); 783 void invalidate_dcache_range(unsigned long start, unsigned long stop); 784 void invalidate_dcache_all(void); 785 void invalidate_icache_all(void); 786 787 /* arch/$(ARCH)/lib/ticks.S */ 788 unsigned long long get_ticks(void); 789 void wait_ticks (unsigned long); 790 791 /* arch/$(ARCH)/lib/time.c */ 792 void __udelay (unsigned long); 793 ulong usec2ticks (unsigned long usec); 794 ulong ticks2usec (unsigned long ticks); 795 int init_timebase (void); 796 797 /* lib/gunzip.c */ 798 int gunzip(void *, int, unsigned char *, unsigned long *); 799 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 800 int stoponerr, int offset); 801 802 /* lib/qsort.c */ 803 void qsort(void *base, size_t nmemb, size_t size, 804 int(*compar)(const void *, const void *)); 805 int strcmp_compar(const void *, const void *); 806 807 /* lib/time.c */ 808 void udelay (unsigned long); 809 void mdelay(unsigned long); 810 811 /* lib/uuid.c */ 812 void uuid_str_to_bin(const char *uuid, unsigned char *out); 813 int uuid_str_valid(const char *uuid); 814 815 /* lib/vsprintf.c */ 816 #include <vsprintf.h> 817 818 /* lib/strmhz.c */ 819 char * strmhz(char *buf, unsigned long hz); 820 821 /* lib/crc32.c */ 822 #include <u-boot/crc.h> 823 824 /* lib/rand.c */ 825 #if defined(CONFIG_RANDOM_MACADDR) || \ 826 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 827 defined(CONFIG_CMD_LINK_LOCAL) 828 #define RAND_MAX -1U 829 void srand(unsigned int seed); 830 unsigned int rand(void); 831 unsigned int rand_r(unsigned int *seedp); 832 #endif 833 834 /* common/console.c */ 835 int console_init_f(void); /* Before relocation; uses the serial stuff */ 836 int console_init_r(void); /* After relocation; uses the console stuff */ 837 int console_assign(int file, const char *devname); /* Assign the console */ 838 int ctrlc (void); 839 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 840 void clear_ctrlc (void); /* clear the Control-C condition */ 841 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 842 843 /* 844 * STDIO based functions (can always be used) 845 */ 846 /* serial stuff */ 847 int serial_printf (const char *fmt, ...) 848 __attribute__ ((format (__printf__, 1, 2))); 849 /* stdin */ 850 int getc(void); 851 int tstc(void); 852 853 /* stdout */ 854 void putc(const char c); 855 void puts(const char *s); 856 int printf(const char *fmt, ...) 857 __attribute__ ((format (__printf__, 1, 2))); 858 int vprintf(const char *fmt, va_list args); 859 860 /* stderr */ 861 #define eputc(c) fputc(stderr, c) 862 #define eputs(s) fputs(stderr, s) 863 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 864 865 /* 866 * FILE based functions (can only be used AFTER relocation!) 867 */ 868 #define stdin 0 869 #define stdout 1 870 #define stderr 2 871 #define MAX_FILES 3 872 873 int fprintf(int file, const char *fmt, ...) 874 __attribute__ ((format (__printf__, 2, 3))); 875 void fputs(int file, const char *s); 876 void fputc(int file, const char c); 877 int ftstc(int file); 878 int fgetc(int file); 879 880 /* lib/gzip.c */ 881 int gzip(void *dst, unsigned long *lenp, 882 unsigned char *src, unsigned long srclen); 883 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 884 unsigned long srclen, int stoponerr, 885 int (*func)(unsigned long, unsigned long)); 886 887 /* lib/net_utils.c */ 888 #include <net.h> 889 static inline IPaddr_t getenv_IPaddr(char *var) 890 { 891 return string_to_ip(getenv(var)); 892 } 893 894 /* 895 * CONSOLE multiplexing. 896 */ 897 #ifdef CONFIG_CONSOLE_MUX 898 #include <iomux.h> 899 #endif 900 901 int pcmcia_init (void); 902 903 #ifdef CONFIG_STATUS_LED 904 # include <status_led.h> 905 #endif 906 907 #include <bootstage.h> 908 909 #ifdef CONFIG_SHOW_ACTIVITY 910 void show_activity(int arg); 911 #endif 912 913 /* Multicore arch functions */ 914 #ifdef CONFIG_MP 915 int cpu_status(int nr); 916 int cpu_reset(int nr); 917 int cpu_disable(int nr); 918 int cpu_release(int nr, int argc, char * const argv[]); 919 #endif 920 921 /* Define a null map_sysmem() if the architecture doesn't use it */ 922 # ifndef CONFIG_ARCH_MAP_SYSMEM 923 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 924 { 925 return (void *)(uintptr_t)paddr; 926 } 927 928 static inline void unmap_sysmem(const void *vaddr) 929 { 930 } 931 932 static inline phys_addr_t map_to_sysmem(void *ptr) 933 { 934 return (phys_addr_t)(uintptr_t)ptr; 935 } 936 # endif 937 938 #endif /* __ASSEMBLY__ */ 939 940 #ifdef CONFIG_PPC 941 /* 942 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 943 * Otherwise might lead to compilation errors in assembler files. 944 */ 945 #include <asm/cache.h> 946 #endif 947 948 /* Put only stuff here that the assembler can digest */ 949 950 #ifdef CONFIG_POST 951 #define CONFIG_HAS_POST 952 #ifndef CONFIG_POST_ALT_LIST 953 #define CONFIG_POST_STD_LIST 954 #endif 955 #endif 956 957 #ifdef CONFIG_INIT_CRITICAL 958 #error CONFIG_INIT_CRITICAL is deprecated! 959 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 960 #endif 961 962 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 963 964 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 965 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 966 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 967 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 968 969 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 970 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 971 972 /* 973 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 974 * is used to align DMA buffers. 975 */ 976 #ifndef __ASSEMBLY__ 977 #include <asm/cache.h> 978 #endif 979 980 /* 981 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 982 * stack that meets the minimum architecture alignment requirements for DMA. 983 * Such a buffer is useful for DMA operations where flushing and invalidating 984 * the cache before and after a read and/or write operation is required for 985 * correct operations. 986 * 987 * When called the macro creates an array on the stack that is sized such 988 * that: 989 * 990 * 1) The beginning of the array can be advanced enough to be aligned. 991 * 992 * 2) The size of the aligned portion of the array is a multiple of the minimum 993 * architecture alignment required for DMA. 994 * 995 * 3) The aligned portion contains enough space for the original number of 996 * elements requested. 997 * 998 * The macro then creates a pointer to the aligned portion of this array and 999 * assigns to the pointer the address of the first element in the aligned 1000 * portion of the array. 1001 * 1002 * Calling the macro as: 1003 * 1004 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1005 * 1006 * Will result in something similar to saying: 1007 * 1008 * uint32_t buffer[1024]; 1009 * 1010 * The following differences exist: 1011 * 1012 * 1) The resulting buffer is guaranteed to be aligned to the value of 1013 * ARCH_DMA_MINALIGN. 1014 * 1015 * 2) The buffer variable created by the macro is a pointer to the specified 1016 * type, and NOT an array of the specified type. This can be very important 1017 * if you want the address of the buffer, which you probably do, to pass it 1018 * to the DMA hardware. The value of &buffer is different in the two cases. 1019 * In the macro case it will be the address of the pointer, not the address 1020 * of the space reserved for the buffer. However, in the second case it 1021 * would be the address of the buffer. So if you are replacing hard coded 1022 * stack buffers with this macro you need to make sure you remove the & from 1023 * the locations where you are taking the address of the buffer. 1024 * 1025 * Note that the size parameter is the number of array elements to allocate, 1026 * not the number of bytes. 1027 * 1028 * This macro can not be used outside of function scope, or for the creation 1029 * of a function scoped static buffer. It can not be used to create a cache 1030 * line aligned global buffer. 1031 */ 1032 #define PAD_COUNT(s, pad) ((s - 1) / pad + 1) 1033 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1034 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1035 char __##name[ROUND(PAD_SIZE(size * sizeof(type), pad), align) \ 1036 + (align - 1)]; \ 1037 \ 1038 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1039 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1040 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1041 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1042 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1043 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1044 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1045 1046 /* 1047 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1048 * purpose is to allow allocating aligned buffers outside of function scope. 1049 * Usage of this macro shall be avoided or used with extreme care! 1050 */ 1051 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1052 static char __##name[roundup(size * sizeof(type), align)] \ 1053 __aligned(align); \ 1054 \ 1055 static type *name = (type *)__##name 1056 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1057 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1058 1059 /* Pull in stuff for the build system */ 1060 #ifdef DO_DEPS_ONLY 1061 # include <environment.h> 1062 #endif 1063 1064 #endif /* __COMMON_H_ */ 1065