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