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 extern char console_buffer[]; 314 315 /* arch/$(ARCH)/lib/board.c */ 316 void board_init_f(ulong); 317 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 318 int checkboard (void); 319 int checkflash (void); 320 int checkdram (void); 321 int last_stage_init(void); 322 extern ulong monitor_flash_len; 323 int mac_read_from_eeprom(void); 324 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 325 int set_cpu_clk_info(void); 326 int print_cpuinfo(void); 327 int update_flash_size(int flash_size); 328 329 /** 330 * Show the DRAM size in a board-specific way 331 * 332 * This is used by boards to display DRAM information in their own way. 333 * 334 * @param size Size of DRAM (which should be displayed along with other info) 335 */ 336 void board_show_dram(ulong size); 337 338 /** 339 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 340 * 341 * Defined in arch/$(ARCH)/lib/bootm.c 342 * 343 * @blob: FDT blob to write to 344 * @return 0 if ok, or -ve FDT_ERR_... on failure 345 */ 346 int arch_fixup_memory_node(void *blob); 347 348 /* common/flash.c */ 349 void flash_perror (int); 350 351 /* common/cmd_source.c */ 352 int source (ulong addr, const char *fit_uname); 353 354 extern ulong load_addr; /* Default Load Address */ 355 extern ulong save_addr; /* Default Save Address */ 356 extern ulong save_size; /* Default Save Size */ 357 358 /* common/cmd_doc.c */ 359 void doc_probe(unsigned long physadr); 360 361 /* common/cmd_net.c */ 362 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 363 364 /* common/cmd_fat.c */ 365 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 366 367 /* common/cmd_ext2.c */ 368 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 369 370 /* common/cmd_nvedit.c */ 371 int env_init (void); 372 void env_relocate (void); 373 int envmatch (uchar *, int); 374 char *getenv (const char *); 375 int getenv_f (const char *name, char *buf, unsigned len); 376 ulong getenv_ulong(const char *name, int base, ulong default_val); 377 378 /** 379 * getenv_hex() - Return an environment variable as a hex value 380 * 381 * Decode an environment as a hex number (it may or may not have a 0x 382 * prefix). If the environment variable cannot be found, or does not start 383 * with hex digits, the default value is returned. 384 * 385 * @varname: Variable to decode 386 * @default_val: Value to return on error 387 */ 388 ulong getenv_hex(const char *varname, ulong default_val); 389 390 /* 391 * Read an environment variable as a boolean 392 * Return -1 if variable does not exist (default to true) 393 */ 394 int getenv_yesno(const char *var); 395 int saveenv (void); 396 int setenv (const char *, const char *); 397 int setenv_ulong(const char *varname, ulong value); 398 int setenv_hex(const char *varname, ulong value); 399 /** 400 * setenv_addr - Set an environment variable to an address in hex 401 * 402 * @varname: Environmet variable to set 403 * @addr: Value to set it to 404 * @return 0 if ok, 1 on error 405 */ 406 static inline int setenv_addr(const char *varname, const void *addr) 407 { 408 return setenv_hex(varname, (ulong)addr); 409 } 410 411 #ifdef CONFIG_ARM 412 # include <asm/mach-types.h> 413 # include <asm/setup.h> 414 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 415 #endif /* CONFIG_ARM */ 416 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 417 # include <asm/u-boot-x86.h> 418 #endif /* CONFIG_X86 */ 419 #ifdef CONFIG_SANDBOX 420 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 421 #endif 422 #ifdef CONFIG_NDS32 423 # include <asm/mach-types.h> 424 # include <asm/setup.h> 425 # include <asm/u-boot-nds32.h> 426 #endif /* CONFIG_NDS32 */ 427 #ifdef CONFIG_MIPS 428 # include <asm/u-boot-mips.h> 429 #endif /* CONFIG_MIPS */ 430 431 #ifdef CONFIG_AUTO_COMPLETE 432 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 433 #endif 434 int get_env_id (void); 435 436 void pci_init (void); 437 void pci_init_board(void); 438 void pciinfo (int, int); 439 440 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 441 int pci_pre_init (struct pci_controller *); 442 int is_pci_host (struct pci_controller *); 443 #endif 444 445 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 446 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 447 void pci_target_init (struct pci_controller *); 448 # endif 449 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 450 void pci_master_init (struct pci_controller *); 451 # endif 452 #if defined(CONFIG_440SPE) || \ 453 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 454 defined(CONFIG_405EX) 455 void pcie_setup_hoses(int busno); 456 #endif 457 #endif 458 459 int misc_init_f (void); 460 int misc_init_r (void); 461 462 /* common/exports.c */ 463 void jumptable_init(void); 464 465 /* common/kallsysm.c */ 466 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 467 468 /* api/api.c */ 469 void api_init (void); 470 471 /* common/memsize.c */ 472 long get_ram_size (long *, long); 473 474 /* $(BOARD)/$(BOARD).c */ 475 void reset_phy (void); 476 void fdc_hw_init (void); 477 478 /* $(BOARD)/eeprom.c */ 479 void eeprom_init (void); 480 #ifndef CONFIG_SPI 481 int eeprom_probe (unsigned dev_addr, unsigned offset); 482 #endif 483 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 484 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 485 #ifdef CONFIG_LWMON 486 extern uchar pic_read (uchar reg); 487 extern void pic_write (uchar reg, uchar val); 488 #endif 489 490 /* 491 * Set this up regardless of board 492 * type, to prevent errors. 493 */ 494 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 495 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 496 #else 497 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 498 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 499 #endif 500 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 501 502 #if defined(CONFIG_SPI) 503 extern void spi_init_f (void); 504 extern void spi_init_r (void); 505 extern ssize_t spi_read (uchar *, int, uchar *, int); 506 extern ssize_t spi_write (uchar *, int, uchar *, int); 507 #endif 508 509 #ifdef CONFIG_RPXCLASSIC 510 void rpxclassic_init (void); 511 #endif 512 513 void rpxlite_init (void); 514 515 #ifdef CONFIG_MBX 516 /* $(BOARD)/mbx8xx.c */ 517 void mbx_init (void); 518 void board_serial_init (void); 519 void board_ether_init (void); 520 #endif 521 522 #ifdef CONFIG_HERMES 523 /* $(BOARD)/hermes.c */ 524 void hermes_start_lxt980 (int speed); 525 #endif 526 527 #ifdef CONFIG_EVB64260 528 void evb64260_init(void); 529 void debug_led(int, int); 530 void display_mem_map(void); 531 void perform_soft_reset(void); 532 #endif 533 534 /* $(BOARD)/$(BOARD).c */ 535 int board_early_init_f (void); 536 int board_late_init (void); 537 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 538 int board_early_init_r (void); 539 void board_poweroff (void); 540 541 #if defined(CONFIG_SYS_DRAM_TEST) 542 int testdram(void); 543 #endif /* CONFIG_SYS_DRAM_TEST */ 544 545 /* $(CPU)/start.S */ 546 #if defined(CONFIG_5xx) || \ 547 defined(CONFIG_8xx) 548 uint get_immr (uint); 549 #endif 550 uint get_pir (void); 551 #if defined(CONFIG_MPC5xxx) 552 uint get_svr (void); 553 #endif 554 uint get_pvr (void); 555 uint get_svr (void); 556 uint rd_ic_cst (void); 557 void wr_ic_cst (uint); 558 void wr_ic_adr (uint); 559 uint rd_dc_cst (void); 560 void wr_dc_cst (uint); 561 void wr_dc_adr (uint); 562 int icache_status (void); 563 void icache_enable (void); 564 void icache_disable(void); 565 int dcache_status (void); 566 void dcache_enable (void); 567 void dcache_disable(void); 568 void mmu_disable(void); 569 #if defined(CONFIG_ARM) 570 void relocate_code(ulong); 571 #else 572 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 573 #endif 574 ulong get_endaddr (void); 575 void trap_init (ulong); 576 #if defined (CONFIG_4xx) || \ 577 defined (CONFIG_MPC5xxx) || \ 578 defined (CONFIG_74xx_7xx) || \ 579 defined (CONFIG_74x) || \ 580 defined (CONFIG_75x) || \ 581 defined (CONFIG_74xx) || \ 582 defined (CONFIG_MPC85xx) || \ 583 defined (CONFIG_MPC86xx) || \ 584 defined (CONFIG_MPC83xx) 585 unsigned char in8(unsigned int); 586 void out8(unsigned int, unsigned char); 587 unsigned short in16(unsigned int); 588 unsigned short in16r(unsigned int); 589 void out16(unsigned int, unsigned short value); 590 void out16r(unsigned int, unsigned short value); 591 unsigned long in32(unsigned int); 592 unsigned long in32r(unsigned int); 593 void out32(unsigned int, unsigned long value); 594 void out32r(unsigned int, unsigned long value); 595 void ppcDcbf(unsigned long value); 596 void ppcDcbi(unsigned long value); 597 void ppcSync(void); 598 void ppcDcbz(unsigned long value); 599 #endif 600 #if defined (CONFIG_MICROBLAZE) 601 unsigned short in16(unsigned int); 602 void out16(unsigned int, unsigned short value); 603 #endif 604 605 #if defined (CONFIG_MPC83xx) 606 void ppcDWload(unsigned int *addr, unsigned int *ret); 607 void ppcDWstore(unsigned int *addr, unsigned int *value); 608 void disable_addr_trans(void); 609 void enable_addr_trans(void); 610 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 611 void ddr_enable_ecc(unsigned int dram_size); 612 #endif 613 #endif 614 615 /* $(CPU)/cpu.c */ 616 static inline int cpumask_next(int cpu, unsigned int mask) 617 { 618 for (cpu++; !((1 << cpu) & mask); cpu++) 619 ; 620 621 return cpu; 622 } 623 624 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 625 for (iter = 0, cpu = cpumask_next(-1, mask); \ 626 iter < num_cpus; \ 627 iter++, cpu = cpumask_next(cpu, mask)) \ 628 629 int cpu_numcores (void); 630 u32 cpu_mask (void); 631 int is_core_valid (unsigned int); 632 int probecpu (void); 633 int checkcpu (void); 634 int checkicache (void); 635 int checkdcache (void); 636 void upmconfig (unsigned int, unsigned int *, unsigned int); 637 ulong get_tbclk (void); 638 void reset_cpu (ulong addr); 639 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 640 void ft_cpu_setup(void *blob, bd_t *bd); 641 #ifdef CONFIG_PCI 642 void ft_pci_setup(void *blob, bd_t *bd); 643 #endif 644 #endif 645 646 647 /* $(CPU)/serial.c */ 648 int serial_init (void); 649 void serial_setbrg (void); 650 void serial_putc (const char); 651 void serial_putc_raw(const char); 652 void serial_puts (const char *); 653 int serial_getc (void); 654 int serial_tstc (void); 655 656 void _serial_setbrg (const int); 657 void _serial_putc (const char, const int); 658 void _serial_putc_raw(const char, const int); 659 void _serial_puts (const char *, const int); 660 int _serial_getc (const int); 661 int _serial_tstc (const int); 662 663 /* $(CPU)/speed.c */ 664 int get_clocks (void); 665 int get_clocks_866 (void); 666 int sdram_adjust_866 (void); 667 int adjust_sdram_tbs_8xx (void); 668 #if defined(CONFIG_8260) 669 int prt_8260_clks (void); 670 #elif defined(CONFIG_MPC5xxx) 671 int prt_mpc5xxx_clks (void); 672 #endif 673 #ifdef CONFIG_4xx 674 ulong get_OPB_freq (void); 675 ulong get_PCI_freq (void); 676 #endif 677 #if defined(CONFIG_S3C24X0) || \ 678 defined(CONFIG_LH7A40X) || \ 679 defined(CONFIG_EP93XX) 680 ulong get_FCLK (void); 681 ulong get_HCLK (void); 682 ulong get_PCLK (void); 683 ulong get_UCLK (void); 684 #endif 685 #if defined(CONFIG_LH7A40X) 686 ulong get_PLLCLK (void); 687 #endif 688 #if defined CONFIG_INCA_IP 689 uint incaip_get_cpuclk (void); 690 #endif 691 #if defined(CONFIG_IMX) 692 ulong get_systemPLLCLK(void); 693 ulong get_FCLK(void); 694 ulong get_HCLK(void); 695 ulong get_BCLK(void); 696 ulong get_PERCLK1(void); 697 ulong get_PERCLK2(void); 698 ulong get_PERCLK3(void); 699 #endif 700 ulong get_bus_freq (ulong); 701 int get_serial_clock(void); 702 703 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 704 ulong get_ddr_freq(ulong); 705 #endif 706 #if defined(CONFIG_MPC85xx) 707 typedef MPC85xx_SYS_INFO sys_info_t; 708 void get_sys_info ( sys_info_t * ); 709 #endif 710 #if defined(CONFIG_MPC86xx) 711 typedef MPC86xx_SYS_INFO sys_info_t; 712 void get_sys_info ( sys_info_t * ); 713 static inline ulong get_ddr_freq(ulong dummy) 714 { 715 return get_bus_freq(dummy); 716 } 717 #endif 718 719 #if defined(CONFIG_4xx) 720 # if defined(CONFIG_440) 721 # if defined(CONFIG_440SPE) 722 unsigned long determine_sysper(void); 723 unsigned long determine_pci_clock_per(void); 724 # endif 725 # endif 726 typedef PPC4xx_SYS_INFO sys_info_t; 727 int ppc440spe_revB(void); 728 void get_sys_info ( sys_info_t * ); 729 #endif 730 731 /* $(CPU)/cpu_init.c */ 732 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 733 void cpu_init_f (volatile immap_t *immr); 734 #endif 735 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 736 void cpu_init_f (void); 737 #endif 738 739 int cpu_init_r (void); 740 #if defined(CONFIG_8260) 741 int prt_8260_rsr (void); 742 #elif defined(CONFIG_MPC83xx) 743 int prt_83xx_rsr (void); 744 #endif 745 746 /* $(CPU)/interrupts.c */ 747 int interrupt_init (void); 748 void timer_interrupt (struct pt_regs *); 749 void external_interrupt (struct pt_regs *); 750 void irq_install_handler(int, interrupt_handler_t *, void *); 751 void irq_free_handler (int); 752 void reset_timer (void); 753 ulong get_timer (ulong base); 754 755 /* Return value of monotonic microsecond timer */ 756 unsigned long timer_get_us(void); 757 758 void enable_interrupts (void); 759 int disable_interrupts (void); 760 761 /* $(CPU)/.../commproc.c */ 762 int dpram_init (void); 763 uint dpram_base(void); 764 uint dpram_base_align(uint align); 765 uint dpram_alloc(uint size); 766 uint dpram_alloc_align(uint size,uint align); 767 void bootcount_store (ulong); 768 ulong bootcount_load (void); 769 #define BOOTCOUNT_MAGIC 0xB001C041 770 771 /* $(CPU)/.../<eth> */ 772 void mii_init (void); 773 774 /* $(CPU)/.../lcd.c */ 775 ulong lcd_setmem (ulong); 776 777 /* $(CPU)/.../video.c */ 778 ulong video_setmem (ulong); 779 780 /* arch/$(ARCH)/lib/cache.c */ 781 void enable_caches(void); 782 void flush_cache (unsigned long, unsigned long); 783 void flush_dcache_all(void); 784 void flush_dcache_range(unsigned long start, unsigned long stop); 785 void invalidate_dcache_range(unsigned long start, unsigned long stop); 786 void invalidate_dcache_all(void); 787 void invalidate_icache_all(void); 788 789 /* arch/$(ARCH)/lib/ticks.S */ 790 unsigned long long get_ticks(void); 791 void wait_ticks (unsigned long); 792 793 /* arch/$(ARCH)/lib/time.c */ 794 void __udelay (unsigned long); 795 ulong usec2ticks (unsigned long usec); 796 ulong ticks2usec (unsigned long ticks); 797 int init_timebase (void); 798 799 /* lib/gunzip.c */ 800 int gunzip(void *, int, unsigned char *, unsigned long *); 801 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 802 int stoponerr, int offset); 803 804 /* lib/qsort.c */ 805 void qsort(void *base, size_t nmemb, size_t size, 806 int(*compar)(const void *, const void *)); 807 int strcmp_compar(const void *, const void *); 808 809 /* lib/time.c */ 810 void udelay (unsigned long); 811 void mdelay(unsigned long); 812 813 /* lib/uuid.c */ 814 void uuid_str_to_bin(const char *uuid, unsigned char *out); 815 int uuid_str_valid(const char *uuid); 816 817 /* lib/vsprintf.c */ 818 #include <vsprintf.h> 819 820 /* lib/strmhz.c */ 821 char * strmhz(char *buf, unsigned long hz); 822 823 /* lib/crc32.c */ 824 #include <u-boot/crc.h> 825 826 /* lib/rand.c */ 827 #if defined(CONFIG_RANDOM_MACADDR) || \ 828 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 829 defined(CONFIG_CMD_LINK_LOCAL) 830 #define RAND_MAX -1U 831 void srand(unsigned int seed); 832 unsigned int rand(void); 833 unsigned int rand_r(unsigned int *seedp); 834 #endif 835 836 /* common/console.c */ 837 int console_init_f(void); /* Before relocation; uses the serial stuff */ 838 int console_init_r(void); /* After relocation; uses the console stuff */ 839 int console_assign(int file, const char *devname); /* Assign the console */ 840 int ctrlc (void); 841 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 842 void clear_ctrlc (void); /* clear the Control-C condition */ 843 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 844 845 /* 846 * STDIO based functions (can always be used) 847 */ 848 /* serial stuff */ 849 int serial_printf (const char *fmt, ...) 850 __attribute__ ((format (__printf__, 1, 2))); 851 /* stdin */ 852 int getc(void); 853 int tstc(void); 854 855 /* stdout */ 856 void putc(const char c); 857 void puts(const char *s); 858 int printf(const char *fmt, ...) 859 __attribute__ ((format (__printf__, 1, 2))); 860 int vprintf(const char *fmt, va_list args); 861 862 /* stderr */ 863 #define eputc(c) fputc(stderr, c) 864 #define eputs(s) fputs(stderr, s) 865 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 866 867 /* 868 * FILE based functions (can only be used AFTER relocation!) 869 */ 870 #define stdin 0 871 #define stdout 1 872 #define stderr 2 873 #define MAX_FILES 3 874 875 int fprintf(int file, const char *fmt, ...) 876 __attribute__ ((format (__printf__, 2, 3))); 877 void fputs(int file, const char *s); 878 void fputc(int file, const char c); 879 int ftstc(int file); 880 int fgetc(int file); 881 882 /* lib/gzip.c */ 883 int gzip(void *dst, unsigned long *lenp, 884 unsigned char *src, unsigned long srclen); 885 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 886 unsigned long srclen, int stoponerr, 887 int (*func)(unsigned long, unsigned long)); 888 889 /* lib/net_utils.c */ 890 #include <net.h> 891 static inline IPaddr_t getenv_IPaddr(char *var) 892 { 893 return string_to_ip(getenv(var)); 894 } 895 896 /* 897 * CONSOLE multiplexing. 898 */ 899 #ifdef CONFIG_CONSOLE_MUX 900 #include <iomux.h> 901 #endif 902 903 int pcmcia_init (void); 904 905 #ifdef CONFIG_STATUS_LED 906 # include <status_led.h> 907 #endif 908 909 #include <bootstage.h> 910 911 #ifdef CONFIG_SHOW_ACTIVITY 912 void show_activity(int arg); 913 #endif 914 915 /* Multicore arch functions */ 916 #ifdef CONFIG_MP 917 int cpu_status(int nr); 918 int cpu_reset(int nr); 919 int cpu_disable(int nr); 920 int cpu_release(int nr, int argc, char * const argv[]); 921 #endif 922 923 /* Define a null map_sysmem() if the architecture doesn't use it */ 924 # ifndef CONFIG_ARCH_MAP_SYSMEM 925 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 926 { 927 return (void *)(uintptr_t)paddr; 928 } 929 930 static inline void unmap_sysmem(const void *vaddr) 931 { 932 } 933 934 static inline phys_addr_t map_to_sysmem(void *ptr) 935 { 936 return (phys_addr_t)(uintptr_t)ptr; 937 } 938 # endif 939 940 #endif /* __ASSEMBLY__ */ 941 942 #ifdef CONFIG_PPC 943 /* 944 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 945 * Otherwise might lead to compilation errors in assembler files. 946 */ 947 #include <asm/cache.h> 948 #endif 949 950 /* Put only stuff here that the assembler can digest */ 951 952 #ifdef CONFIG_POST 953 #define CONFIG_HAS_POST 954 #ifndef CONFIG_POST_ALT_LIST 955 #define CONFIG_POST_STD_LIST 956 #endif 957 #endif 958 959 #ifdef CONFIG_INIT_CRITICAL 960 #error CONFIG_INIT_CRITICAL is deprecated! 961 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 962 #endif 963 964 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 965 966 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 967 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 968 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 969 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 970 971 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 972 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 973 974 /* 975 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 976 * is used to align DMA buffers. 977 */ 978 #ifndef __ASSEMBLY__ 979 #include <asm/cache.h> 980 #endif 981 982 /* 983 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 984 * stack that meets the minimum architecture alignment requirements for DMA. 985 * Such a buffer is useful for DMA operations where flushing and invalidating 986 * the cache before and after a read and/or write operation is required for 987 * correct operations. 988 * 989 * When called the macro creates an array on the stack that is sized such 990 * that: 991 * 992 * 1) The beginning of the array can be advanced enough to be aligned. 993 * 994 * 2) The size of the aligned portion of the array is a multiple of the minimum 995 * architecture alignment required for DMA. 996 * 997 * 3) The aligned portion contains enough space for the original number of 998 * elements requested. 999 * 1000 * The macro then creates a pointer to the aligned portion of this array and 1001 * assigns to the pointer the address of the first element in the aligned 1002 * portion of the array. 1003 * 1004 * Calling the macro as: 1005 * 1006 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1007 * 1008 * Will result in something similar to saying: 1009 * 1010 * uint32_t buffer[1024]; 1011 * 1012 * The following differences exist: 1013 * 1014 * 1) The resulting buffer is guaranteed to be aligned to the value of 1015 * ARCH_DMA_MINALIGN. 1016 * 1017 * 2) The buffer variable created by the macro is a pointer to the specified 1018 * type, and NOT an array of the specified type. This can be very important 1019 * if you want the address of the buffer, which you probably do, to pass it 1020 * to the DMA hardware. The value of &buffer is different in the two cases. 1021 * In the macro case it will be the address of the pointer, not the address 1022 * of the space reserved for the buffer. However, in the second case it 1023 * would be the address of the buffer. So if you are replacing hard coded 1024 * stack buffers with this macro you need to make sure you remove the & from 1025 * the locations where you are taking the address of the buffer. 1026 * 1027 * Note that the size parameter is the number of array elements to allocate, 1028 * not the number of bytes. 1029 * 1030 * This macro can not be used outside of function scope, or for the creation 1031 * of a function scoped static buffer. It can not be used to create a cache 1032 * line aligned global buffer. 1033 */ 1034 #define PAD_COUNT(s, pad) ((s - 1) / pad + 1) 1035 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1036 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1037 char __##name[ROUND(PAD_SIZE(size * sizeof(type), pad), align) \ 1038 + (align - 1)]; \ 1039 \ 1040 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1041 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1042 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1043 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1044 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1045 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1046 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1047 1048 /* 1049 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1050 * purpose is to allow allocating aligned buffers outside of function scope. 1051 * Usage of this macro shall be avoided or used with extreme care! 1052 */ 1053 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1054 static char __##name[roundup(size * sizeof(type), align)] \ 1055 __aligned(align); \ 1056 \ 1057 static type *name = (type *)__##name 1058 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1059 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1060 1061 /* Pull in stuff for the build system */ 1062 #ifdef DO_DEPS_ONLY 1063 # include <environment.h> 1064 #endif 1065 1066 #endif /* __COMMON_H_ */ 1067