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 <asm/ptrace.h> 43 #include <stdarg.h> 44 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 45 #include <pci.h> 46 #endif 47 #if defined(CONFIG_8xx) 48 #include <asm/8xx_immap.h> 49 #if defined(CONFIG_MPC852) || defined(CONFIG_MPC852T) || \ 50 defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 51 defined(CONFIG_MPC859DSL) || \ 52 defined(CONFIG_MPC866) || defined(CONFIG_MPC866T) || \ 53 defined(CONFIG_MPC866P) 54 # define CONFIG_MPC866_FAMILY 1 55 #elif defined(CONFIG_MPC870) \ 56 || defined(CONFIG_MPC875) \ 57 || defined(CONFIG_MPC880) \ 58 || defined(CONFIG_MPC885) 59 # define CONFIG_MPC885_FAMILY 1 60 #endif 61 #if defined(CONFIG_MPC860) \ 62 || defined(CONFIG_MPC860T) \ 63 || defined(CONFIG_MPC866_FAMILY) \ 64 || defined(CONFIG_MPC885_FAMILY) 65 # define CONFIG_MPC86x 1 66 #endif 67 #elif defined(CONFIG_5xx) 68 #include <asm/5xx_immap.h> 69 #elif defined(CONFIG_MPC5xxx) 70 #include <mpc5xxx.h> 71 #elif defined(CONFIG_MPC512X) 72 #include <asm/immap_512x.h> 73 #elif defined(CONFIG_MPC8220) 74 #include <asm/immap_8220.h> 75 #elif defined(CONFIG_8260) 76 #if defined(CONFIG_MPC8247) \ 77 || defined(CONFIG_MPC8248) \ 78 || defined(CONFIG_MPC8271) \ 79 || defined(CONFIG_MPC8272) 80 #define CONFIG_MPC8272_FAMILY 1 81 #endif 82 #if defined(CONFIG_MPC8272_FAMILY) 83 #define CONFIG_MPC8260 1 84 #endif 85 #include <asm/immap_8260.h> 86 #endif 87 #ifdef CONFIG_MPC86xx 88 #include <mpc86xx.h> 89 #include <asm/immap_86xx.h> 90 #endif 91 #ifdef CONFIG_MPC85xx 92 #include <mpc85xx.h> 93 #include <asm/immap_85xx.h> 94 #endif 95 #ifdef CONFIG_MPC83xx 96 #include <mpc83xx.h> 97 #include <asm/immap_83xx.h> 98 #endif 99 #ifdef CONFIG_4xx 100 #include <asm/ppc4xx.h> 101 #endif 102 #ifdef CONFIG_HYMOD 103 #include <board/hymod/hymod.h> 104 #endif 105 #ifdef CONFIG_ARM 106 #define asmlinkage /* nothing */ 107 #endif 108 #ifdef CONFIG_BLACKFIN 109 #include <asm/blackfin.h> 110 #endif 111 #ifdef CONFIG_SOC_DA8XX 112 #include <asm/arch/hardware.h> 113 #endif 114 115 #include <part.h> 116 #include <flash.h> 117 #include <image.h> 118 119 #ifdef DEBUG 120 #define _DEBUG 1 121 #else 122 #define _DEBUG 0 123 #endif 124 125 /* 126 * Output a debug text when condition "cond" is met. The "cond" should be 127 * computed by a preprocessor in the best case, allowing for the best 128 * optimization. 129 */ 130 #define debug_cond(cond, fmt, args...) \ 131 do { \ 132 if (cond) \ 133 printf(fmt, ##args); \ 134 } while (0) 135 136 #define debug(fmt, args...) \ 137 debug_cond(_DEBUG, fmt, ##args) 138 139 /* 140 * An assertion is run-time check done in debug mode only. If DEBUG is not 141 * defined then it is skipped. If DEBUG is defined and the assertion fails, 142 * then it calls panic*( which may or may not reset/halt U-Boot (see 143 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 144 * before release, and after release it is hoped that they don't matter. But 145 * in any case these failing assertions cannot be fixed with a reset (which 146 * may just do the same assertion again). 147 */ 148 void __assert_fail(const char *assertion, const char *file, unsigned line, 149 const char *function); 150 #define assert(x) \ 151 ({ if (!(x) && _DEBUG) \ 152 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 153 154 #define error(fmt, args...) do { \ 155 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 156 ##args, __FILE__, __LINE__, __func__); \ 157 } while (0) 158 159 #ifndef BUG 160 #define BUG() do { \ 161 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 162 panic("BUG!"); \ 163 } while (0) 164 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 165 #endif /* BUG */ 166 167 /* Force a compilation error if condition is true */ 168 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 169 170 typedef void (interrupt_handler_t)(void *); 171 172 #include <asm/u-boot.h> /* boot information for Linux kernel */ 173 #include <asm/global_data.h> /* global data used for startup functions */ 174 175 /* 176 * enable common handling for all TQM8xxL/M boards: 177 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 178 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 179 * and for the TQM885D board 180 */ 181 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 182 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 183 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 184 # ifndef CONFIG_TQM8xxM 185 # define CONFIG_TQM8xxM 186 # endif 187 #endif 188 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 189 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 190 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 191 defined(CONFIG_TQM885D) 192 # ifndef CONFIG_TQM8xxL 193 # define CONFIG_TQM8xxL 194 # endif 195 #endif 196 197 #ifndef CONFIG_SERIAL_MULTI 198 199 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \ 200 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ 201 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) 202 203 #define CONFIG_SERIAL_MULTI 1 204 205 #endif 206 207 #endif /* CONFIG_SERIAL_MULTI */ 208 209 /* 210 * General Purpose Utilities 211 */ 212 #define min(X, Y) \ 213 ({ typeof (X) __x = (X); \ 214 typeof (Y) __y = (Y); \ 215 (__x < __y) ? __x : __y; }) 216 217 #define max(X, Y) \ 218 ({ typeof (X) __x = (X); \ 219 typeof (Y) __y = (Y); \ 220 (__x > __y) ? __x : __y; }) 221 222 #define MIN(x, y) min(x, y) 223 #define MAX(x, y) max(x, y) 224 225 #if defined(CONFIG_ENV_IS_EMBEDDED) 226 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 227 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 228 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 229 defined(CONFIG_ENV_IS_IN_NVRAM) 230 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 231 #else 232 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 233 #endif 234 235 /** 236 * container_of - cast a member of a structure out to the containing structure 237 * @ptr: the pointer to the member. 238 * @type: the type of the container struct this is embedded in. 239 * @member: the name of the member within the struct. 240 * 241 */ 242 #define container_of(ptr, type, member) ({ \ 243 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 244 (type *)( (char *)__mptr - offsetof(type,member) );}) 245 246 /* 247 * Function Prototypes 248 */ 249 250 void hang (void) __attribute__ ((noreturn)); 251 252 int timer_init(void); 253 int cpu_init(void); 254 255 /* */ 256 phys_size_t initdram (int); 257 int display_options (void); 258 void print_size(unsigned long long, const char *); 259 int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen); 260 261 /* common/main.c */ 262 void main_loop (void); 263 int run_command (const char *cmd, int flag); 264 #ifdef CONFIG_CMD_PXE 265 int run_command2(const char *cmd, int flag); 266 #endif 267 int readline (const char *const prompt); 268 int readline_into_buffer (const char *const prompt, char * buffer); 269 int parse_line (char *, char *[]); 270 void init_cmd_timeout(void); 271 void reset_cmd_timeout(void); 272 #ifdef CONFIG_MENU 273 int abortboot(int bootdelay); 274 #endif 275 extern char console_buffer[]; 276 277 /* arch/$(ARCH)/lib/board.c */ 278 void board_init_f (ulong) __attribute__ ((noreturn)); 279 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 280 int checkboard (void); 281 int checkflash (void); 282 int checkdram (void); 283 int last_stage_init(void); 284 extern ulong monitor_flash_len; 285 int mac_read_from_eeprom(void); 286 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 287 288 /* 289 * Called when console output is requested before the console is available. 290 * The board should do its best to get the character out to the user any way 291 * it can. 292 */ 293 void board_pre_console_putc(int ch); 294 295 /* common/flash.c */ 296 void flash_perror (int); 297 298 /* common/cmd_source.c */ 299 int source (ulong addr, const char *fit_uname); 300 301 extern ulong load_addr; /* Default Load Address */ 302 extern ulong save_addr; /* Default Save Address */ 303 extern ulong save_size; /* Default Save Size */ 304 305 /* common/cmd_doc.c */ 306 void doc_probe(unsigned long physadr); 307 308 /* common/cmd_net.c */ 309 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 310 311 /* common/cmd_nvedit.c */ 312 int env_init (void); 313 void env_relocate (void); 314 int envmatch (uchar *, int); 315 char *getenv (const char *); 316 int getenv_f (const char *name, char *buf, unsigned len); 317 ulong getenv_ulong(const char *name, int base, ulong default_val); 318 int saveenv (void); 319 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 320 int inline setenv (const char *, const char *); 321 #else 322 int setenv (const char *, const char *); 323 int setenv_ulong(const char *varname, ulong value); 324 int setenv_addr(const char *varname, const void *addr); 325 #endif /* CONFIG_PPC */ 326 #ifdef CONFIG_ARM 327 # include <asm/mach-types.h> 328 # include <asm/setup.h> 329 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 330 #endif /* CONFIG_ARM */ 331 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 332 # include <asm/u-boot-x86.h> 333 #endif /* CONFIG_X86 */ 334 #ifdef CONFIG_SANDBOX 335 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 336 #endif 337 #ifdef CONFIG_NDS32 338 # include <asm/mach-types.h> 339 # include <asm/u-boot-nds32.h> 340 #endif /* CONFIG_NDS32 */ 341 342 #ifdef CONFIG_AUTO_COMPLETE 343 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 344 #endif 345 int get_env_id (void); 346 347 void pci_init (void); 348 void pci_init_board(void); 349 void pciinfo (int, int); 350 351 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 352 int pci_pre_init (struct pci_controller *); 353 int is_pci_host (struct pci_controller *); 354 #endif 355 356 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 357 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 358 void pci_target_init (struct pci_controller *); 359 # endif 360 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 361 void pci_master_init (struct pci_controller *); 362 # endif 363 #if defined(CONFIG_440SPE) || \ 364 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 365 defined(CONFIG_405EX) 366 void pcie_setup_hoses(int busno); 367 #endif 368 #endif 369 370 int misc_init_f (void); 371 int misc_init_r (void); 372 373 /* common/exports.c */ 374 void jumptable_init(void); 375 376 /* common/kallsysm.c */ 377 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 378 379 /* api/api.c */ 380 void api_init (void); 381 382 /* common/memsize.c */ 383 long get_ram_size (long *, long); 384 385 /* $(BOARD)/$(BOARD).c */ 386 void reset_phy (void); 387 void fdc_hw_init (void); 388 389 /* $(BOARD)/eeprom.c */ 390 void eeprom_init (void); 391 #ifndef CONFIG_SPI 392 int eeprom_probe (unsigned dev_addr, unsigned offset); 393 #endif 394 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 395 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 396 #ifdef CONFIG_LWMON 397 extern uchar pic_read (uchar reg); 398 extern void pic_write (uchar reg, uchar val); 399 #endif 400 401 /* 402 * Set this up regardless of board 403 * type, to prevent errors. 404 */ 405 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 406 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 407 #else 408 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 409 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 410 #endif 411 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 412 413 #if defined(CONFIG_SPI) 414 extern void spi_init_f (void); 415 extern void spi_init_r (void); 416 extern ssize_t spi_read (uchar *, int, uchar *, int); 417 extern ssize_t spi_write (uchar *, int, uchar *, int); 418 #endif 419 420 #ifdef CONFIG_RPXCLASSIC 421 void rpxclassic_init (void); 422 #endif 423 424 void rpxlite_init (void); 425 426 #ifdef CONFIG_MBX 427 /* $(BOARD)/mbx8xx.c */ 428 void mbx_init (void); 429 void board_serial_init (void); 430 void board_ether_init (void); 431 #endif 432 433 #ifdef CONFIG_HERMES 434 /* $(BOARD)/hermes.c */ 435 void hermes_start_lxt980 (int speed); 436 #endif 437 438 #ifdef CONFIG_EVB64260 439 void evb64260_init(void); 440 void debug_led(int, int); 441 void display_mem_map(void); 442 void perform_soft_reset(void); 443 #endif 444 445 /* $(BOARD)/$(BOARD).c */ 446 int board_early_init_f (void); 447 int board_late_init (void); 448 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 449 int board_early_init_r (void); 450 void board_poweroff (void); 451 452 #if defined(CONFIG_SYS_DRAM_TEST) 453 int testdram(void); 454 #endif /* CONFIG_SYS_DRAM_TEST */ 455 456 /* $(CPU)/start.S */ 457 #if defined(CONFIG_5xx) || \ 458 defined(CONFIG_8xx) 459 uint get_immr (uint); 460 #endif 461 uint get_pir (void); 462 #if defined(CONFIG_MPC5xxx) 463 uint get_svr (void); 464 #endif 465 uint get_pvr (void); 466 uint get_svr (void); 467 uint rd_ic_cst (void); 468 void wr_ic_cst (uint); 469 void wr_ic_adr (uint); 470 uint rd_dc_cst (void); 471 void wr_dc_cst (uint); 472 void wr_dc_adr (uint); 473 int icache_status (void); 474 void icache_enable (void); 475 void icache_disable(void); 476 int dcache_status (void); 477 void dcache_enable (void); 478 void dcache_disable(void); 479 void mmu_disable(void); 480 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); 481 ulong get_endaddr (void); 482 void trap_init (ulong); 483 #if defined (CONFIG_4xx) || \ 484 defined (CONFIG_MPC5xxx) || \ 485 defined (CONFIG_74xx_7xx) || \ 486 defined (CONFIG_74x) || \ 487 defined (CONFIG_75x) || \ 488 defined (CONFIG_74xx) || \ 489 defined (CONFIG_MPC8220) || \ 490 defined (CONFIG_MPC85xx) || \ 491 defined (CONFIG_MPC86xx) || \ 492 defined (CONFIG_MPC83xx) 493 unsigned char in8(unsigned int); 494 void out8(unsigned int, unsigned char); 495 unsigned short in16(unsigned int); 496 unsigned short in16r(unsigned int); 497 void out16(unsigned int, unsigned short value); 498 void out16r(unsigned int, unsigned short value); 499 unsigned long in32(unsigned int); 500 unsigned long in32r(unsigned int); 501 void out32(unsigned int, unsigned long value); 502 void out32r(unsigned int, unsigned long value); 503 void ppcDcbf(unsigned long value); 504 void ppcDcbi(unsigned long value); 505 void ppcSync(void); 506 void ppcDcbz(unsigned long value); 507 #endif 508 #if defined (CONFIG_MICROBLAZE) 509 unsigned short in16(unsigned int); 510 void out16(unsigned int, unsigned short value); 511 #endif 512 513 #if defined (CONFIG_MPC83xx) 514 void ppcDWload(unsigned int *addr, unsigned int *ret); 515 void ppcDWstore(unsigned int *addr, unsigned int *value); 516 void disable_addr_trans(void); 517 void enable_addr_trans(void); 518 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 519 void ddr_enable_ecc(unsigned int dram_size); 520 #endif 521 #endif 522 523 /* $(CPU)/cpu.c */ 524 static inline int cpumask_next(int cpu, unsigned int mask) 525 { 526 for (cpu++; !((1 << cpu) & mask); cpu++) 527 ; 528 529 return cpu; 530 } 531 532 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 533 for (iter = 0, cpu = cpumask_next(-1, mask); \ 534 iter < num_cpus; \ 535 iter++, cpu = cpumask_next(cpu, mask)) \ 536 537 int cpu_numcores (void); 538 u32 cpu_mask (void); 539 int is_core_valid (unsigned int); 540 int probecpu (void); 541 int checkcpu (void); 542 int checkicache (void); 543 int checkdcache (void); 544 void upmconfig (unsigned int, unsigned int *, unsigned int); 545 ulong get_tbclk (void); 546 void reset_cpu (ulong addr); 547 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 548 void ft_cpu_setup(void *blob, bd_t *bd); 549 #ifdef CONFIG_PCI 550 void ft_pci_setup(void *blob, bd_t *bd); 551 #endif 552 #endif 553 554 555 /* $(CPU)/serial.c */ 556 int serial_init (void); 557 void serial_setbrg (void); 558 void serial_putc (const char); 559 void serial_putc_raw(const char); 560 void serial_puts (const char *); 561 int serial_getc (void); 562 int serial_tstc (void); 563 564 void _serial_setbrg (const int); 565 void _serial_putc (const char, const int); 566 void _serial_putc_raw(const char, const int); 567 void _serial_puts (const char *, const int); 568 int _serial_getc (const int); 569 int _serial_tstc (const int); 570 571 /* $(CPU)/speed.c */ 572 int get_clocks (void); 573 int get_clocks_866 (void); 574 int sdram_adjust_866 (void); 575 int adjust_sdram_tbs_8xx (void); 576 #if defined(CONFIG_8260) 577 int prt_8260_clks (void); 578 #elif defined(CONFIG_MPC5xxx) 579 int prt_mpc5xxx_clks (void); 580 #endif 581 #if defined(CONFIG_MPC512X) 582 int prt_mpc512xxx_clks (void); 583 #endif 584 #if defined(CONFIG_MPC8220) 585 int prt_mpc8220_clks (void); 586 #endif 587 #ifdef CONFIG_4xx 588 ulong get_OPB_freq (void); 589 ulong get_PCI_freq (void); 590 #endif 591 #if defined(CONFIG_S3C24X0) || \ 592 defined(CONFIG_LH7A40X) || \ 593 defined(CONFIG_S3C6400) || \ 594 defined(CONFIG_EP93XX) 595 ulong get_FCLK (void); 596 ulong get_HCLK (void); 597 ulong get_PCLK (void); 598 ulong get_UCLK (void); 599 #endif 600 #if defined(CONFIG_LH7A40X) 601 ulong get_PLLCLK (void); 602 #endif 603 #if defined CONFIG_INCA_IP 604 uint incaip_get_cpuclk (void); 605 #endif 606 #if defined(CONFIG_IMX) 607 ulong get_systemPLLCLK(void); 608 ulong get_FCLK(void); 609 ulong get_HCLK(void); 610 ulong get_BCLK(void); 611 ulong get_PERCLK1(void); 612 ulong get_PERCLK2(void); 613 ulong get_PERCLK3(void); 614 #endif 615 ulong get_bus_freq (ulong); 616 int get_serial_clock(void); 617 618 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 619 ulong get_ddr_freq(ulong); 620 #endif 621 #if defined(CONFIG_MPC85xx) 622 typedef MPC85xx_SYS_INFO sys_info_t; 623 void get_sys_info ( sys_info_t * ); 624 #endif 625 #if defined(CONFIG_MPC86xx) 626 typedef MPC86xx_SYS_INFO sys_info_t; 627 void get_sys_info ( sys_info_t * ); 628 static inline ulong get_ddr_freq(ulong dummy) 629 { 630 return get_bus_freq(dummy); 631 } 632 #endif 633 634 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 635 # if defined(CONFIG_440) 636 # if defined(CONFIG_440SPE) 637 unsigned long determine_sysper(void); 638 unsigned long determine_pci_clock_per(void); 639 # endif 640 # endif 641 typedef PPC4xx_SYS_INFO sys_info_t; 642 int ppc440spe_revB(void); 643 void get_sys_info ( sys_info_t * ); 644 #endif 645 646 /* $(CPU)/cpu_init.c */ 647 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 648 void cpu_init_f (volatile immap_t *immr); 649 #endif 650 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 651 void cpu_init_f (void); 652 #endif 653 654 int cpu_init_r (void); 655 #if defined(CONFIG_8260) 656 int prt_8260_rsr (void); 657 #elif defined(CONFIG_MPC83xx) 658 int prt_83xx_rsr (void); 659 #endif 660 661 /* $(CPU)/interrupts.c */ 662 int interrupt_init (void); 663 void timer_interrupt (struct pt_regs *); 664 void external_interrupt (struct pt_regs *); 665 void irq_install_handler(int, interrupt_handler_t *, void *); 666 void irq_free_handler (int); 667 void reset_timer (void); 668 ulong get_timer (ulong base); 669 void enable_interrupts (void); 670 int disable_interrupts (void); 671 672 /* $(CPU)/.../commproc.c */ 673 int dpram_init (void); 674 uint dpram_base(void); 675 uint dpram_base_align(uint align); 676 uint dpram_alloc(uint size); 677 uint dpram_alloc_align(uint size,uint align); 678 void bootcount_store (ulong); 679 ulong bootcount_load (void); 680 #define BOOTCOUNT_MAGIC 0xB001C041 681 682 /* $(CPU)/.../<eth> */ 683 void mii_init (void); 684 685 /* $(CPU)/.../lcd.c */ 686 ulong lcd_setmem (ulong); 687 688 /* $(CPU)/.../video.c */ 689 ulong video_setmem (ulong); 690 691 /* arch/$(ARCH)/lib/cache.c */ 692 void enable_caches(void); 693 void flush_cache (unsigned long, unsigned long); 694 void flush_dcache_all(void); 695 void flush_dcache_range(unsigned long start, unsigned long stop); 696 void invalidate_dcache_range(unsigned long start, unsigned long stop); 697 void invalidate_dcache_all(void); 698 void invalidate_icache_all(void); 699 700 /* arch/$(ARCH)/lib/ticks.S */ 701 unsigned long long get_ticks(void); 702 void wait_ticks (unsigned long); 703 704 /* arch/$(ARCH)/lib/time.c */ 705 void __udelay (unsigned long); 706 ulong usec2ticks (unsigned long usec); 707 ulong ticks2usec (unsigned long ticks); 708 int init_timebase (void); 709 710 /* lib/gunzip.c */ 711 int gunzip(void *, int, unsigned char *, unsigned long *); 712 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 713 int stoponerr, int offset); 714 715 /* lib/net_utils.c */ 716 #include <net.h> 717 static inline IPaddr_t getenv_IPaddr (char *var) 718 { 719 return (string_to_ip(getenv(var))); 720 } 721 722 /* lib/qsort.c */ 723 void qsort(void *base, size_t nmemb, size_t size, 724 int(*compar)(const void *, const void *)); 725 int strcmp_compar(const void *, const void *); 726 727 /* lib/time.c */ 728 void udelay (unsigned long); 729 void mdelay(unsigned long); 730 731 /* lib/uuid.c */ 732 void uuid_str_to_bin(const char *uuid, unsigned char *out); 733 int uuid_str_valid(const char *uuid); 734 735 /* lib/vsprintf.c */ 736 #include <vsprintf.h> 737 738 /* lib/strmhz.c */ 739 char * strmhz(char *buf, unsigned long hz); 740 741 /* lib/crc32.c */ 742 #include <u-boot/crc.h> 743 744 /* common/console.c */ 745 int console_init_f(void); /* Before relocation; uses the serial stuff */ 746 int console_init_r(void); /* After relocation; uses the console stuff */ 747 int console_assign(int file, const char *devname); /* Assign the console */ 748 int ctrlc (void); 749 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 750 void clear_ctrlc (void); /* clear the Control-C condition */ 751 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 752 753 /* 754 * STDIO based functions (can always be used) 755 */ 756 /* serial stuff */ 757 int serial_printf (const char *fmt, ...) 758 __attribute__ ((format (__printf__, 1, 2))); 759 /* stdin */ 760 int getc(void); 761 int tstc(void); 762 763 /* stdout */ 764 void putc(const char c); 765 void puts(const char *s); 766 int printf(const char *fmt, ...) 767 __attribute__ ((format (__printf__, 1, 2))); 768 int vprintf(const char *fmt, va_list args); 769 770 /* stderr */ 771 #define eputc(c) fputc(stderr, c) 772 #define eputs(s) fputs(stderr, s) 773 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 774 775 /* 776 * FILE based functions (can only be used AFTER relocation!) 777 */ 778 #define stdin 0 779 #define stdout 1 780 #define stderr 2 781 #define MAX_FILES 3 782 783 int fprintf(int file, const char *fmt, ...) 784 __attribute__ ((format (__printf__, 2, 3))); 785 void fputs(int file, const char *s); 786 void fputc(int file, const char c); 787 int ftstc(int file); 788 int fgetc(int file); 789 790 /* 791 * CONSOLE multiplexing. 792 */ 793 #ifdef CONFIG_CONSOLE_MUX 794 #include <iomux.h> 795 #endif 796 797 int pcmcia_init (void); 798 799 #ifdef CONFIG_STATUS_LED 800 # include <status_led.h> 801 #endif 802 /* 803 * Board-specific Platform code can reimplement show_boot_progress () if needed 804 */ 805 void show_boot_progress(int val); 806 807 /* Multicore arch functions */ 808 #ifdef CONFIG_MP 809 int cpu_status(int nr); 810 int cpu_reset(int nr); 811 int cpu_disable(int nr); 812 int cpu_release(int nr, int argc, char * const argv[]); 813 #endif 814 815 #endif /* __ASSEMBLY__ */ 816 817 #ifdef CONFIG_PPC 818 /* 819 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 820 * Otherwise might lead to compilation errors in assembler files. 821 */ 822 #include <asm/cache.h> 823 #endif 824 825 /* Put only stuff here that the assembler can digest */ 826 827 #ifdef CONFIG_POST 828 #define CONFIG_HAS_POST 829 #ifndef CONFIG_POST_ALT_LIST 830 #define CONFIG_POST_STD_LIST 831 #endif 832 #endif 833 834 #ifdef CONFIG_INIT_CRITICAL 835 #error CONFIG_INIT_CRITICAL is deprecated! 836 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 837 #endif 838 839 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 840 841 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 842 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 843 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 844 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 845 846 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 847 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 848 849 /* 850 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 851 * is used to align DMA buffers. 852 */ 853 #ifndef __ASSEMBLY__ 854 #include <asm/cache.h> 855 #endif 856 857 /* 858 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 859 * stack that meets the minimum architecture alignment requirements for DMA. 860 * Such a buffer is useful for DMA operations where flushing and invalidating 861 * the cache before and after a read and/or write operation is required for 862 * correct operations. 863 * 864 * When called the macro creates an array on the stack that is sized such 865 * that: 866 * 867 * 1) The beginning of the array can be advanced enough to be aligned. 868 * 869 * 2) The size of the aligned portion of the array is a multiple of the minimum 870 * architecture alignment required for DMA. 871 * 872 * 3) The aligned portion contains enough space for the original number of 873 * elements requested. 874 * 875 * The macro then creates a pointer to the aligned portion of this array and 876 * assigns to the pointer the address of the first element in the aligned 877 * portion of the array. 878 * 879 * Calling the macro as: 880 * 881 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 882 * 883 * Will result in something similar to saying: 884 * 885 * uint32_t buffer[1024]; 886 * 887 * The following differences exist: 888 * 889 * 1) The resulting buffer is guaranteed to be aligned to the value of 890 * ARCH_DMA_MINALIGN. 891 * 892 * 2) The buffer variable created by the macro is a pointer to the specified 893 * type, and NOT an array of the specified type. This can be very important 894 * if you want the address of the buffer, which you probably do, to pass it 895 * to the DMA hardware. The value of &buffer is different in the two cases. 896 * In the macro case it will be the address of the pointer, not the address 897 * of the space reserved for the buffer. However, in the second case it 898 * would be the address of the buffer. So if you are replacing hard coded 899 * stack buffers with this macro you need to make sure you remove the & from 900 * the locations where you are taking the address of the buffer. 901 * 902 * Note that the size parameter is the number of array elements to allocate, 903 * not the number of bytes. 904 * 905 * This macro can not be used outside of function scope, or for the creation 906 * of a function scoped static buffer. It can not be used to create a cache 907 * line aligned global buffer. 908 */ 909 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 910 char __##name[ROUND(size * sizeof(type), ARCH_DMA_MINALIGN) + \ 911 ARCH_DMA_MINALIGN - 1]; \ 912 \ 913 type *name = (type *) ALIGN((uintptr_t)__##name, ARCH_DMA_MINALIGN) 914 915 /* Pull in stuff for the build system */ 916 #ifdef DO_DEPS_ONLY 917 # include <environment.h> 918 #endif 919 920 #endif /* __COMMON_H_ */ 921