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 275 276 /* arch/$(ARCH)/lib/board.c */ 277 void board_init_f (ulong) __attribute__ ((noreturn)); 278 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 279 int checkboard (void); 280 int checkflash (void); 281 int checkdram (void); 282 int last_stage_init(void); 283 extern ulong monitor_flash_len; 284 int mac_read_from_eeprom(void); 285 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 286 287 /* common/flash.c */ 288 void flash_perror (int); 289 290 /* common/cmd_source.c */ 291 int source (ulong addr, const char *fit_uname); 292 293 extern ulong load_addr; /* Default Load Address */ 294 extern ulong save_addr; /* Default Save Address */ 295 extern ulong save_size; /* Default Save Size */ 296 297 /* common/cmd_doc.c */ 298 void doc_probe(unsigned long physadr); 299 300 /* common/cmd_net.c */ 301 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 302 303 /* common/cmd_nvedit.c */ 304 int env_init (void); 305 void env_relocate (void); 306 int envmatch (uchar *, int); 307 char *getenv (const char *); 308 int getenv_f (const char *name, char *buf, unsigned len); 309 ulong getenv_ulong(const char *name, int base, ulong default_val); 310 int saveenv (void); 311 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 312 int inline setenv (const char *, const char *); 313 #else 314 int setenv (const char *, const char *); 315 int setenv_ulong(const char *varname, ulong value); 316 int setenv_addr(const char *varname, const void *addr); 317 #endif /* CONFIG_PPC */ 318 #ifdef CONFIG_ARM 319 # include <asm/mach-types.h> 320 # include <asm/setup.h> 321 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 322 #endif /* CONFIG_ARM */ 323 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 324 # include <asm/u-boot-x86.h> 325 #endif /* CONFIG_X86 */ 326 #ifdef CONFIG_SANDBOX 327 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 328 #endif 329 #ifdef CONFIG_NDS32 330 # include <asm/mach-types.h> 331 # include <asm/u-boot-nds32.h> 332 #endif /* CONFIG_NDS32 */ 333 334 #ifdef CONFIG_AUTO_COMPLETE 335 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 336 #endif 337 int get_env_id (void); 338 339 void pci_init (void); 340 void pci_init_board(void); 341 void pciinfo (int, int); 342 343 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) 344 int pci_pre_init (struct pci_controller *); 345 int is_pci_host (struct pci_controller *); 346 #endif 347 348 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 349 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 350 void pci_target_init (struct pci_controller *); 351 # endif 352 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 353 void pci_master_init (struct pci_controller *); 354 # endif 355 #if defined(CONFIG_440SPE) || \ 356 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 357 defined(CONFIG_405EX) 358 void pcie_setup_hoses(int busno); 359 #endif 360 #endif 361 362 int misc_init_f (void); 363 int misc_init_r (void); 364 365 /* common/exports.c */ 366 void jumptable_init(void); 367 368 /* common/kallsysm.c */ 369 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 370 371 /* api/api.c */ 372 void api_init (void); 373 374 /* common/memsize.c */ 375 long get_ram_size (long *, long); 376 377 /* $(BOARD)/$(BOARD).c */ 378 void reset_phy (void); 379 void fdc_hw_init (void); 380 381 /* $(BOARD)/eeprom.c */ 382 void eeprom_init (void); 383 #ifndef CONFIG_SPI 384 int eeprom_probe (unsigned dev_addr, unsigned offset); 385 #endif 386 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 387 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 388 #ifdef CONFIG_LWMON 389 extern uchar pic_read (uchar reg); 390 extern void pic_write (uchar reg, uchar val); 391 #endif 392 393 /* 394 * Set this up regardless of board 395 * type, to prevent errors. 396 */ 397 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 398 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 399 #else 400 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 401 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 402 #endif 403 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 404 405 #if defined(CONFIG_SPI) 406 extern void spi_init_f (void); 407 extern void spi_init_r (void); 408 extern ssize_t spi_read (uchar *, int, uchar *, int); 409 extern ssize_t spi_write (uchar *, int, uchar *, int); 410 #endif 411 412 #ifdef CONFIG_RPXCLASSIC 413 void rpxclassic_init (void); 414 #endif 415 416 void rpxlite_init (void); 417 418 #ifdef CONFIG_MBX 419 /* $(BOARD)/mbx8xx.c */ 420 void mbx_init (void); 421 void board_serial_init (void); 422 void board_ether_init (void); 423 #endif 424 425 #ifdef CONFIG_HERMES 426 /* $(BOARD)/hermes.c */ 427 void hermes_start_lxt980 (int speed); 428 #endif 429 430 #ifdef CONFIG_EVB64260 431 void evb64260_init(void); 432 void debug_led(int, int); 433 void display_mem_map(void); 434 void perform_soft_reset(void); 435 #endif 436 437 /* $(BOARD)/$(BOARD).c */ 438 int board_early_init_f (void); 439 int board_late_init (void); 440 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 441 int board_early_init_r (void); 442 void board_poweroff (void); 443 444 #if defined(CONFIG_SYS_DRAM_TEST) 445 int testdram(void); 446 #endif /* CONFIG_SYS_DRAM_TEST */ 447 448 /* $(CPU)/start.S */ 449 #if defined(CONFIG_5xx) || \ 450 defined(CONFIG_8xx) 451 uint get_immr (uint); 452 #endif 453 uint get_pir (void); 454 #if defined(CONFIG_MPC5xxx) 455 uint get_svr (void); 456 #endif 457 uint get_pvr (void); 458 uint get_svr (void); 459 uint rd_ic_cst (void); 460 void wr_ic_cst (uint); 461 void wr_ic_adr (uint); 462 uint rd_dc_cst (void); 463 void wr_dc_cst (uint); 464 void wr_dc_adr (uint); 465 int icache_status (void); 466 void icache_enable (void); 467 void icache_disable(void); 468 int dcache_status (void); 469 void dcache_enable (void); 470 void dcache_disable(void); 471 void mmu_disable(void); 472 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn)); 473 ulong get_endaddr (void); 474 void trap_init (ulong); 475 #if defined (CONFIG_4xx) || \ 476 defined (CONFIG_MPC5xxx) || \ 477 defined (CONFIG_74xx_7xx) || \ 478 defined (CONFIG_74x) || \ 479 defined (CONFIG_75x) || \ 480 defined (CONFIG_74xx) || \ 481 defined (CONFIG_MPC8220) || \ 482 defined (CONFIG_MPC85xx) || \ 483 defined (CONFIG_MPC86xx) || \ 484 defined (CONFIG_MPC83xx) 485 unsigned char in8(unsigned int); 486 void out8(unsigned int, unsigned char); 487 unsigned short in16(unsigned int); 488 unsigned short in16r(unsigned int); 489 void out16(unsigned int, unsigned short value); 490 void out16r(unsigned int, unsigned short value); 491 unsigned long in32(unsigned int); 492 unsigned long in32r(unsigned int); 493 void out32(unsigned int, unsigned long value); 494 void out32r(unsigned int, unsigned long value); 495 void ppcDcbf(unsigned long value); 496 void ppcDcbi(unsigned long value); 497 void ppcSync(void); 498 void ppcDcbz(unsigned long value); 499 #endif 500 #if defined (CONFIG_MICROBLAZE) 501 unsigned short in16(unsigned int); 502 void out16(unsigned int, unsigned short value); 503 #endif 504 505 #if defined (CONFIG_MPC83xx) 506 void ppcDWload(unsigned int *addr, unsigned int *ret); 507 void ppcDWstore(unsigned int *addr, unsigned int *value); 508 void disable_addr_trans(void); 509 void enable_addr_trans(void); 510 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 511 void ddr_enable_ecc(unsigned int dram_size); 512 #endif 513 #endif 514 515 /* $(CPU)/cpu.c */ 516 static inline int cpumask_next(int cpu, unsigned int mask) 517 { 518 for (cpu++; !((1 << cpu) & mask); cpu++) 519 ; 520 521 return cpu; 522 } 523 524 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 525 for (iter = 0, cpu = cpumask_next(-1, mask); \ 526 iter < num_cpus; \ 527 iter++, cpu = cpumask_next(cpu, mask)) \ 528 529 int cpu_numcores (void); 530 u32 cpu_mask (void); 531 int is_core_valid (unsigned int); 532 int probecpu (void); 533 int checkcpu (void); 534 int checkicache (void); 535 int checkdcache (void); 536 void upmconfig (unsigned int, unsigned int *, unsigned int); 537 ulong get_tbclk (void); 538 void reset_cpu (ulong addr); 539 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 540 void ft_cpu_setup(void *blob, bd_t *bd); 541 #ifdef CONFIG_PCI 542 void ft_pci_setup(void *blob, bd_t *bd); 543 #endif 544 #endif 545 546 547 /* $(CPU)/serial.c */ 548 int serial_init (void); 549 void serial_setbrg (void); 550 void serial_putc (const char); 551 void serial_putc_raw(const char); 552 void serial_puts (const char *); 553 int serial_getc (void); 554 int serial_tstc (void); 555 556 void _serial_setbrg (const int); 557 void _serial_putc (const char, const int); 558 void _serial_putc_raw(const char, const int); 559 void _serial_puts (const char *, const int); 560 int _serial_getc (const int); 561 int _serial_tstc (const int); 562 563 /* $(CPU)/speed.c */ 564 int get_clocks (void); 565 int get_clocks_866 (void); 566 int sdram_adjust_866 (void); 567 int adjust_sdram_tbs_8xx (void); 568 #if defined(CONFIG_8260) 569 int prt_8260_clks (void); 570 #elif defined(CONFIG_MPC5xxx) 571 int prt_mpc5xxx_clks (void); 572 #endif 573 #if defined(CONFIG_MPC512X) 574 int prt_mpc512xxx_clks (void); 575 #endif 576 #if defined(CONFIG_MPC8220) 577 int prt_mpc8220_clks (void); 578 #endif 579 #ifdef CONFIG_4xx 580 ulong get_OPB_freq (void); 581 ulong get_PCI_freq (void); 582 #endif 583 #if defined(CONFIG_S3C24X0) || \ 584 defined(CONFIG_LH7A40X) || \ 585 defined(CONFIG_S3C6400) || \ 586 defined(CONFIG_EP93XX) 587 ulong get_FCLK (void); 588 ulong get_HCLK (void); 589 ulong get_PCLK (void); 590 ulong get_UCLK (void); 591 #endif 592 #if defined(CONFIG_LH7A40X) 593 ulong get_PLLCLK (void); 594 #endif 595 #if defined CONFIG_INCA_IP 596 uint incaip_get_cpuclk (void); 597 #endif 598 #if defined(CONFIG_IMX) 599 ulong get_systemPLLCLK(void); 600 ulong get_FCLK(void); 601 ulong get_HCLK(void); 602 ulong get_BCLK(void); 603 ulong get_PERCLK1(void); 604 ulong get_PERCLK2(void); 605 ulong get_PERCLK3(void); 606 #endif 607 ulong get_bus_freq (ulong); 608 int get_serial_clock(void); 609 610 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 611 ulong get_ddr_freq(ulong); 612 #endif 613 #if defined(CONFIG_MPC85xx) 614 typedef MPC85xx_SYS_INFO sys_info_t; 615 void get_sys_info ( sys_info_t * ); 616 #endif 617 #if defined(CONFIG_MPC86xx) 618 typedef MPC86xx_SYS_INFO sys_info_t; 619 void get_sys_info ( sys_info_t * ); 620 static inline ulong get_ddr_freq(ulong dummy) 621 { 622 return get_bus_freq(dummy); 623 } 624 #endif 625 626 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 627 # if defined(CONFIG_440) 628 # if defined(CONFIG_440SPE) 629 unsigned long determine_sysper(void); 630 unsigned long determine_pci_clock_per(void); 631 # endif 632 # endif 633 typedef PPC4xx_SYS_INFO sys_info_t; 634 int ppc440spe_revB(void); 635 void get_sys_info ( sys_info_t * ); 636 #endif 637 638 /* $(CPU)/cpu_init.c */ 639 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 640 void cpu_init_f (volatile immap_t *immr); 641 #endif 642 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 643 void cpu_init_f (void); 644 #endif 645 646 int cpu_init_r (void); 647 #if defined(CONFIG_8260) 648 int prt_8260_rsr (void); 649 #elif defined(CONFIG_MPC83xx) 650 int prt_83xx_rsr (void); 651 #endif 652 653 /* $(CPU)/interrupts.c */ 654 int interrupt_init (void); 655 void timer_interrupt (struct pt_regs *); 656 void external_interrupt (struct pt_regs *); 657 void irq_install_handler(int, interrupt_handler_t *, void *); 658 void irq_free_handler (int); 659 void reset_timer (void); 660 ulong get_timer (ulong base); 661 void enable_interrupts (void); 662 int disable_interrupts (void); 663 664 /* $(CPU)/.../commproc.c */ 665 int dpram_init (void); 666 uint dpram_base(void); 667 uint dpram_base_align(uint align); 668 uint dpram_alloc(uint size); 669 uint dpram_alloc_align(uint size,uint align); 670 void bootcount_store (ulong); 671 ulong bootcount_load (void); 672 #define BOOTCOUNT_MAGIC 0xB001C041 673 674 /* $(CPU)/.../<eth> */ 675 void mii_init (void); 676 677 /* $(CPU)/.../lcd.c */ 678 ulong lcd_setmem (ulong); 679 680 /* $(CPU)/.../video.c */ 681 ulong video_setmem (ulong); 682 683 /* arch/$(ARCH)/lib/cache.c */ 684 void enable_caches(void); 685 void flush_cache (unsigned long, unsigned long); 686 void flush_dcache_all(void); 687 void flush_dcache_range(unsigned long start, unsigned long stop); 688 void invalidate_dcache_range(unsigned long start, unsigned long stop); 689 void invalidate_dcache_all(void); 690 void invalidate_icache_all(void); 691 692 /* arch/$(ARCH)/lib/ticks.S */ 693 unsigned long long get_ticks(void); 694 void wait_ticks (unsigned long); 695 696 /* arch/$(ARCH)/lib/time.c */ 697 void __udelay (unsigned long); 698 ulong usec2ticks (unsigned long usec); 699 ulong ticks2usec (unsigned long ticks); 700 int init_timebase (void); 701 702 /* lib/gunzip.c */ 703 int gunzip(void *, int, unsigned char *, unsigned long *); 704 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 705 int stoponerr, int offset); 706 707 /* lib/net_utils.c */ 708 #include <net.h> 709 static inline IPaddr_t getenv_IPaddr (char *var) 710 { 711 return (string_to_ip(getenv(var))); 712 } 713 714 /* lib/qsort.c */ 715 void qsort(void *base, size_t nmemb, size_t size, 716 int(*compar)(const void *, const void *)); 717 int strcmp_compar(const void *, const void *); 718 719 /* lib/time.c */ 720 void udelay (unsigned long); 721 void mdelay(unsigned long); 722 723 /* lib/uuid.c */ 724 void uuid_str_to_bin(const char *uuid, unsigned char *out); 725 int uuid_str_valid(const char *uuid); 726 727 /* lib/vsprintf.c */ 728 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 729 int strict_strtoul(const char *cp, unsigned int base, unsigned long *res); 730 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base); 731 long simple_strtol(const char *cp,char **endp,unsigned int base); 732 void panic(const char *fmt, ...) 733 __attribute__ ((format (__printf__, 1, 2), noreturn)); 734 int sprintf(char * buf, const char *fmt, ...) 735 __attribute__ ((format (__printf__, 2, 3))); 736 int vsprintf(char *buf, const char *fmt, va_list args); 737 char *simple_itoa(ulong i); 738 739 /* lib/strmhz.c */ 740 char * strmhz(char *buf, unsigned long hz); 741 742 /* lib/crc32.c */ 743 #include <u-boot/crc.h> 744 745 /* common/console.c */ 746 int console_init_f(void); /* Before relocation; uses the serial stuff */ 747 int console_init_r(void); /* After relocation; uses the console stuff */ 748 int console_assign(int file, const char *devname); /* Assign the console */ 749 int ctrlc (void); 750 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 751 void clear_ctrlc (void); /* clear the Control-C condition */ 752 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 753 754 /* 755 * STDIO based functions (can always be used) 756 */ 757 /* serial stuff */ 758 int serial_printf (const char *fmt, ...) 759 __attribute__ ((format (__printf__, 1, 2))); 760 /* stdin */ 761 int getc(void); 762 int tstc(void); 763 764 /* stdout */ 765 void putc(const char c); 766 void puts(const char *s); 767 int printf(const char *fmt, ...) 768 __attribute__ ((format (__printf__, 1, 2))); 769 int vprintf(const char *fmt, va_list args); 770 771 /* stderr */ 772 #define eputc(c) fputc(stderr, c) 773 #define eputs(s) fputs(stderr, s) 774 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 775 776 /* 777 * FILE based functions (can only be used AFTER relocation!) 778 */ 779 #define stdin 0 780 #define stdout 1 781 #define stderr 2 782 #define MAX_FILES 3 783 784 int fprintf(int file, const char *fmt, ...) 785 __attribute__ ((format (__printf__, 2, 3))); 786 void fputs(int file, const char *s); 787 void fputc(int file, const char c); 788 int ftstc(int file); 789 int fgetc(int file); 790 791 /* 792 * CONSOLE multiplexing. 793 */ 794 #ifdef CONFIG_CONSOLE_MUX 795 #include <iomux.h> 796 #endif 797 798 int pcmcia_init (void); 799 800 #ifdef CONFIG_STATUS_LED 801 # include <status_led.h> 802 #endif 803 /* 804 * Board-specific Platform code can reimplement show_boot_progress () if needed 805 */ 806 void show_boot_progress(int val); 807 808 /* Multicore arch functions */ 809 #ifdef CONFIG_MP 810 int cpu_status(int nr); 811 int cpu_reset(int nr); 812 int cpu_disable(int nr); 813 int cpu_release(int nr, int argc, char * const argv[]); 814 #endif 815 816 #endif /* __ASSEMBLY__ */ 817 818 #ifdef CONFIG_PPC 819 /* 820 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 821 * Otherwise might lead to compilation errors in assembler files. 822 */ 823 #include <asm/cache.h> 824 #endif 825 826 /* Put only stuff here that the assembler can digest */ 827 828 #ifdef CONFIG_POST 829 #define CONFIG_HAS_POST 830 #ifndef CONFIG_POST_ALT_LIST 831 #define CONFIG_POST_STD_LIST 832 #endif 833 #endif 834 835 #ifdef CONFIG_INIT_CRITICAL 836 #error CONFIG_INIT_CRITICAL is deprecated! 837 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 838 #endif 839 840 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 841 842 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 843 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 844 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 845 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 846 847 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 848 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 849 850 /* 851 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 852 * is used to align DMA buffers. 853 */ 854 #ifndef __ASSEMBLY__ 855 #include <asm/cache.h> 856 #endif 857 858 /* 859 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 860 * stack that meets the minimum architecture alignment requirements for DMA. 861 * Such a buffer is useful for DMA operations where flushing and invalidating 862 * the cache before and after a read and/or write operation is required for 863 * correct operations. 864 * 865 * When called the macro creates an array on the stack that is sized such 866 * that: 867 * 868 * 1) The beginning of the array can be advanced enough to be aligned. 869 * 870 * 2) The size of the aligned portion of the array is a multiple of the minimum 871 * architecture alignment required for DMA. 872 * 873 * 3) The aligned portion contains enough space for the original number of 874 * elements requested. 875 * 876 * The macro then creates a pointer to the aligned portion of this array and 877 * assigns to the pointer the address of the first element in the aligned 878 * portion of the array. 879 * 880 * Calling the macro as: 881 * 882 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 883 * 884 * Will result in something similar to saying: 885 * 886 * uint32_t buffer[1024]; 887 * 888 * The following differences exist: 889 * 890 * 1) The resulting buffer is guaranteed to be aligned to the value of 891 * ARCH_DMA_MINALIGN. 892 * 893 * 2) The buffer variable created by the macro is a pointer to the specified 894 * type, and NOT an array of the specified type. This can be very important 895 * if you want the address of the buffer, which you probably do, to pass it 896 * to the DMA hardware. The value of &buffer is different in the two cases. 897 * In the macro case it will be the address of the pointer, not the address 898 * of the space reserved for the buffer. However, in the second case it 899 * would be the address of the buffer. So if you are replacing hard coded 900 * stack buffers with this macro you need to make sure you remove the & from 901 * the locations where you are taking the address of the buffer. 902 * 903 * Note that the size parameter is the number of array elements to allocate, 904 * not the number of bytes. 905 * 906 * This macro can not be used outside of function scope, or for the creation 907 * of a function scoped static buffer. It can not be used to create a cache 908 * line aligned global buffer. 909 */ 910 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 911 char __##name[ROUND(size * sizeof(type), ARCH_DMA_MINALIGN) + \ 912 ARCH_DMA_MINALIGN - 1]; \ 913 \ 914 type *name = (type *) ALIGN((uintptr_t)__##name, ARCH_DMA_MINALIGN) 915 916 /* Pull in stuff for the build system */ 917 #ifdef DO_DEPS_ONLY 918 # include <environment.h> 919 #endif 920 921 #endif /* __COMMON_H_ */ 922