1 /* 2 * (C) Copyright 2000-2009 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __COMMON_H_ 9 #define __COMMON_H_ 1 10 11 #ifndef __ASSEMBLY__ /* put C only stuff in this section */ 12 13 typedef unsigned char uchar; 14 typedef volatile unsigned long vu_long; 15 typedef volatile unsigned short vu_short; 16 typedef volatile unsigned char vu_char; 17 18 #include <config.h> 19 #include <asm-offsets.h> 20 #include <linux/bitops.h> 21 #include <linux/types.h> 22 #include <linux/string.h> 23 #include <linux/stringify.h> 24 #include <asm/ptrace.h> 25 #include <stdarg.h> 26 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 27 #include <pci.h> 28 #endif 29 #if defined(CONFIG_8xx) 30 #include <asm/8xx_immap.h> 31 #if defined(CONFIG_MPC852) || defined(CONFIG_MPC852T) || \ 32 defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 33 defined(CONFIG_MPC859DSL) || \ 34 defined(CONFIG_MPC866) || defined(CONFIG_MPC866T) || \ 35 defined(CONFIG_MPC866P) 36 # define CONFIG_MPC866_FAMILY 1 37 #elif defined(CONFIG_MPC870) \ 38 || defined(CONFIG_MPC875) \ 39 || defined(CONFIG_MPC880) \ 40 || defined(CONFIG_MPC885) 41 # define CONFIG_MPC885_FAMILY 1 42 #endif 43 #if defined(CONFIG_MPC860) \ 44 || defined(CONFIG_MPC860T) \ 45 || defined(CONFIG_MPC866_FAMILY) \ 46 || defined(CONFIG_MPC885_FAMILY) 47 # define CONFIG_MPC86x 1 48 #endif 49 #elif defined(CONFIG_5xx) 50 #include <asm/5xx_immap.h> 51 #elif defined(CONFIG_MPC5xxx) 52 #include <mpc5xxx.h> 53 #elif defined(CONFIG_MPC512X) 54 #include <asm/immap_512x.h> 55 #elif defined(CONFIG_8260) 56 #if defined(CONFIG_MPC8247) \ 57 || defined(CONFIG_MPC8248) \ 58 || defined(CONFIG_MPC8271) \ 59 || defined(CONFIG_MPC8272) 60 #define CONFIG_MPC8272_FAMILY 1 61 #endif 62 #if defined(CONFIG_MPC8272_FAMILY) 63 #define CONFIG_MPC8260 1 64 #endif 65 #include <asm/immap_8260.h> 66 #endif 67 #ifdef CONFIG_MPC86xx 68 #include <mpc86xx.h> 69 #include <asm/immap_86xx.h> 70 #endif 71 #ifdef CONFIG_MPC85xx 72 #include <mpc85xx.h> 73 #include <asm/immap_85xx.h> 74 #endif 75 #ifdef CONFIG_MPC83xx 76 #include <mpc83xx.h> 77 #include <asm/immap_83xx.h> 78 #endif 79 #ifdef CONFIG_4xx 80 #include <asm/ppc4xx.h> 81 #endif 82 #ifdef CONFIG_HYMOD 83 #include <board/hymod/hymod.h> 84 #endif 85 #ifdef CONFIG_ARM 86 #define asmlinkage /* nothing */ 87 #endif 88 #ifdef CONFIG_BLACKFIN 89 #include <asm/blackfin.h> 90 #endif 91 #ifdef CONFIG_SOC_DA8XX 92 #include <asm/arch/hardware.h> 93 #endif 94 95 #include <part.h> 96 #include <flash.h> 97 #include <image.h> 98 99 #ifdef DEBUG 100 #define _DEBUG 1 101 #else 102 #define _DEBUG 0 103 #endif 104 105 /* 106 * Output a debug text when condition "cond" is met. The "cond" should be 107 * computed by a preprocessor in the best case, allowing for the best 108 * optimization. 109 */ 110 #define debug_cond(cond, fmt, args...) \ 111 do { \ 112 if (cond) \ 113 printf(fmt, ##args); \ 114 } while (0) 115 116 #define debug(fmt, args...) \ 117 debug_cond(_DEBUG, fmt, ##args) 118 119 /* 120 * An assertion is run-time check done in debug mode only. If DEBUG is not 121 * defined then it is skipped. If DEBUG is defined and the assertion fails, 122 * then it calls panic*( which may or may not reset/halt U-Boot (see 123 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 124 * before release, and after release it is hoped that they don't matter. But 125 * in any case these failing assertions cannot be fixed with a reset (which 126 * may just do the same assertion again). 127 */ 128 void __assert_fail(const char *assertion, const char *file, unsigned line, 129 const char *function); 130 #define assert(x) \ 131 ({ if (!(x) && _DEBUG) \ 132 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 133 134 #define error(fmt, args...) do { \ 135 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 136 ##args, __FILE__, __LINE__, __func__); \ 137 } while (0) 138 139 #ifndef BUG 140 #define BUG() do { \ 141 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 142 panic("BUG!"); \ 143 } while (0) 144 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 145 #endif /* BUG */ 146 147 /* Force a compilation error if condition is true */ 148 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 149 150 typedef void (interrupt_handler_t)(void *); 151 152 #include <asm/u-boot.h> /* boot information for Linux kernel */ 153 #include <asm/global_data.h> /* global data used for startup functions */ 154 155 /* 156 * enable common handling for all TQM8xxL/M boards: 157 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 158 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 159 * and for the TQM885D board 160 */ 161 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 162 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 163 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 164 # ifndef CONFIG_TQM8xxM 165 # define CONFIG_TQM8xxM 166 # endif 167 #endif 168 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 169 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 170 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 171 defined(CONFIG_TQM885D) 172 # ifndef CONFIG_TQM8xxL 173 # define CONFIG_TQM8xxL 174 # endif 175 #endif 176 177 /* 178 * General Purpose Utilities 179 */ 180 #define min(X, Y) \ 181 ({ typeof(X) __x = (X); \ 182 typeof(Y) __y = (Y); \ 183 (__x < __y) ? __x : __y; }) 184 185 #define max(X, Y) \ 186 ({ typeof(X) __x = (X); \ 187 typeof(Y) __y = (Y); \ 188 (__x > __y) ? __x : __y; }) 189 190 #define MIN(x, y) min(x, y) 191 #define MAX(x, y) max(x, y) 192 193 #define min3(X, Y, Z) \ 194 ({ typeof(X) __x = (X); \ 195 typeof(Y) __y = (Y); \ 196 typeof(Z) __z = (Z); \ 197 __x < __y ? (__x < __z ? __x : __z) : \ 198 (__y < __z ? __y : __z); }) 199 200 #define max3(X, Y, Z) \ 201 ({ typeof(X) __x = (X); \ 202 typeof(Y) __y = (Y); \ 203 typeof(Z) __z = (Z); \ 204 __x > __y ? (__x > __z ? __x : __z) : \ 205 (__y > __z ? __y : __z); }) 206 207 #define MIN3(x, y, z) min3(x, y, z) 208 #define MAX3(x, y, z) max3(x, y, z) 209 210 /* 211 * Return the absolute value of a number. 212 * 213 * This handles unsigned and signed longs, ints, shorts and chars. For all 214 * input types abs() returns a signed long. 215 * 216 * For 64-bit types, use abs64() 217 */ 218 #define abs(x) ({ \ 219 long ret; \ 220 if (sizeof(x) == sizeof(long)) { \ 221 long __x = (x); \ 222 ret = (__x < 0) ? -__x : __x; \ 223 } else { \ 224 int __x = (x); \ 225 ret = (__x < 0) ? -__x : __x; \ 226 } \ 227 ret; \ 228 }) 229 230 #define abs64(x) ({ \ 231 s64 __x = (x); \ 232 (__x < 0) ? -__x : __x; \ 233 }) 234 235 #if defined(CONFIG_ENV_IS_EMBEDDED) 236 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 237 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 238 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 239 defined(CONFIG_ENV_IS_IN_NVRAM) 240 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 241 #else 242 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 243 #endif 244 245 /** 246 * container_of - cast a member of a structure out to the containing structure 247 * @ptr: the pointer to the member. 248 * @type: the type of the container struct this is embedded in. 249 * @member: the name of the member within the struct. 250 * 251 */ 252 #define container_of(ptr, type, member) ({ \ 253 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 254 (type *)( (char *)__mptr - offsetof(type,member) );}) 255 256 /* 257 * Function Prototypes 258 */ 259 260 void hang (void) __attribute__ ((noreturn)); 261 262 int timer_init(void); 263 int cpu_init(void); 264 265 /* */ 266 phys_size_t initdram (int); 267 int display_options (void); 268 void print_size(unsigned long long, const char *); 269 int print_buffer(ulong addr, const void *data, uint width, uint count, 270 uint linelen); 271 272 /* common/main.c */ 273 void main_loop (void); 274 int run_command(const char *cmd, int flag); 275 276 /** 277 * Run a list of commands separated by ; or even \0 278 * 279 * Note that if 'len' is not -1, then the command does not need to be nul 280 * terminated, Memory will be allocated for the command in that case. 281 * 282 * @param cmd List of commands to run, each separated bu semicolon 283 * @param len Length of commands excluding terminator if known (-1 if not) 284 * @param flag Execution flags (CMD_FLAG_...) 285 * @return 0 on success, or != 0 on error. 286 */ 287 int run_command_list(const char *cmd, int len, int flag); 288 int readline (const char *const prompt); 289 int readline_into_buffer(const char *const prompt, char *buffer, 290 int timeout); 291 int parse_line (char *, char *[]); 292 void init_cmd_timeout(void); 293 void reset_cmd_timeout(void); 294 extern char console_buffer[]; 295 296 /* arch/$(ARCH)/lib/board.c */ 297 void board_init_f(ulong); 298 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 299 int checkboard (void); 300 int checkflash (void); 301 int checkdram (void); 302 int last_stage_init(void); 303 extern ulong monitor_flash_len; 304 int mac_read_from_eeprom(void); 305 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 306 int set_cpu_clk_info(void); 307 int print_cpuinfo(void); 308 int update_flash_size(int flash_size); 309 310 /** 311 * Show the DRAM size in a board-specific way 312 * 313 * This is used by boards to display DRAM information in their own way. 314 * 315 * @param size Size of DRAM (which should be displayed along with other info) 316 */ 317 void board_show_dram(ulong size); 318 319 /** 320 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 321 * 322 * Defined in arch/$(ARCH)/lib/bootm.c 323 * 324 * @blob: FDT blob to write to 325 * @return 0 if ok, or -ve FDT_ERR_... on failure 326 */ 327 int arch_fixup_memory_node(void *blob); 328 329 /* common/flash.c */ 330 void flash_perror (int); 331 332 /* common/cmd_source.c */ 333 int source (ulong addr, const char *fit_uname); 334 335 extern ulong load_addr; /* Default Load Address */ 336 extern ulong save_addr; /* Default Save Address */ 337 extern ulong save_size; /* Default Save Size */ 338 339 /* common/cmd_doc.c */ 340 void doc_probe(unsigned long physadr); 341 342 /* common/cmd_net.c */ 343 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 344 345 /* common/cmd_fat.c */ 346 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 347 348 /* common/cmd_ext2.c */ 349 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 350 351 /* common/cmd_nvedit.c */ 352 int env_init (void); 353 void env_relocate (void); 354 int envmatch (uchar *, int); 355 char *getenv (const char *); 356 int getenv_f (const char *name, char *buf, unsigned len); 357 ulong getenv_ulong(const char *name, int base, ulong default_val); 358 359 /** 360 * getenv_hex() - Return an environment variable as a hex value 361 * 362 * Decode an environment as a hex number (it may or may not have a 0x 363 * prefix). If the environment variable cannot be found, or does not start 364 * with hex digits, the default value is returned. 365 * 366 * @varname: Variable to decode 367 * @default_val: Value to return on error 368 */ 369 ulong getenv_hex(const char *varname, ulong default_val); 370 371 /* 372 * Read an environment variable as a boolean 373 * Return -1 if variable does not exist (default to true) 374 */ 375 int getenv_yesno(const char *var); 376 int saveenv (void); 377 int setenv (const char *, const char *); 378 int setenv_ulong(const char *varname, ulong value); 379 int setenv_hex(const char *varname, ulong value); 380 /** 381 * setenv_addr - Set an environment variable to an address in hex 382 * 383 * @varname: Environment variable to set 384 * @addr: Value to set it to 385 * @return 0 if ok, 1 on error 386 */ 387 static inline int setenv_addr(const char *varname, const void *addr) 388 { 389 return setenv_hex(varname, (ulong)addr); 390 } 391 392 #ifdef CONFIG_ARM 393 # include <asm/mach-types.h> 394 # include <asm/setup.h> 395 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 396 #endif /* CONFIG_ARM */ 397 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 398 # include <asm/u-boot-x86.h> 399 #endif /* CONFIG_X86 */ 400 #ifdef CONFIG_SANDBOX 401 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 402 #endif 403 #ifdef CONFIG_NDS32 404 # include <asm/mach-types.h> 405 # include <asm/setup.h> 406 # include <asm/u-boot-nds32.h> 407 #endif /* CONFIG_NDS32 */ 408 #ifdef CONFIG_MIPS 409 # include <asm/u-boot-mips.h> 410 #endif /* CONFIG_MIPS */ 411 #ifdef CONFIG_ARC 412 # include <asm/u-boot-arc.h> 413 #endif /* CONFIG_ARC */ 414 415 #ifdef CONFIG_AUTO_COMPLETE 416 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 417 #endif 418 int get_env_id (void); 419 420 void pci_init (void); 421 void pci_init_board(void); 422 void pciinfo (int, int); 423 424 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 425 int pci_pre_init (struct pci_controller *); 426 int is_pci_host (struct pci_controller *); 427 #endif 428 429 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 430 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 431 void pci_target_init (struct pci_controller *); 432 # endif 433 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 434 void pci_master_init (struct pci_controller *); 435 # endif 436 #if defined(CONFIG_440SPE) || \ 437 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 438 defined(CONFIG_405EX) 439 void pcie_setup_hoses(int busno); 440 #endif 441 #endif 442 443 int misc_init_f (void); 444 int misc_init_r (void); 445 446 /* common/exports.c */ 447 void jumptable_init(void); 448 449 /* common/kallsysm.c */ 450 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 451 452 /* api/api.c */ 453 void api_init (void); 454 455 /* common/memsize.c */ 456 long get_ram_size (long *, long); 457 458 /* $(BOARD)/$(BOARD).c */ 459 void reset_phy (void); 460 void fdc_hw_init (void); 461 462 /* $(BOARD)/eeprom.c */ 463 void eeprom_init (void); 464 #ifndef CONFIG_SPI 465 int eeprom_probe (unsigned dev_addr, unsigned offset); 466 #endif 467 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 468 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 469 #ifdef CONFIG_LWMON 470 extern uchar pic_read (uchar reg); 471 extern void pic_write (uchar reg, uchar val); 472 #endif 473 474 /* 475 * Set this up regardless of board 476 * type, to prevent errors. 477 */ 478 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 479 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 480 #else 481 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 482 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 483 #endif 484 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 485 486 #if defined(CONFIG_SPI) 487 extern void spi_init_f (void); 488 extern void spi_init_r (void); 489 extern ssize_t spi_read (uchar *, int, uchar *, int); 490 extern ssize_t spi_write (uchar *, int, uchar *, int); 491 #endif 492 493 #ifdef CONFIG_RPXCLASSIC 494 void rpxclassic_init (void); 495 #endif 496 497 void rpxlite_init (void); 498 499 #ifdef CONFIG_MBX 500 /* $(BOARD)/mbx8xx.c */ 501 void mbx_init (void); 502 void board_serial_init (void); 503 void board_ether_init (void); 504 #endif 505 506 #ifdef CONFIG_HERMES 507 /* $(BOARD)/hermes.c */ 508 void hermes_start_lxt980 (int speed); 509 #endif 510 511 #ifdef CONFIG_EVB64260 512 void evb64260_init(void); 513 void debug_led(int, int); 514 void display_mem_map(void); 515 void perform_soft_reset(void); 516 #endif 517 518 /* $(BOARD)/$(BOARD).c */ 519 int board_early_init_f (void); 520 int board_late_init (void); 521 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 522 int board_early_init_r (void); 523 void board_poweroff (void); 524 525 #if defined(CONFIG_SYS_DRAM_TEST) 526 int testdram(void); 527 #endif /* CONFIG_SYS_DRAM_TEST */ 528 529 /* $(CPU)/start.S */ 530 #if defined(CONFIG_5xx) || \ 531 defined(CONFIG_8xx) 532 uint get_immr (uint); 533 #endif 534 uint get_pir (void); 535 #if defined(CONFIG_MPC5xxx) 536 uint get_svr (void); 537 #endif 538 uint get_pvr (void); 539 uint get_svr (void); 540 uint rd_ic_cst (void); 541 void wr_ic_cst (uint); 542 void wr_ic_adr (uint); 543 uint rd_dc_cst (void); 544 void wr_dc_cst (uint); 545 void wr_dc_adr (uint); 546 int icache_status (void); 547 void icache_enable (void); 548 void icache_disable(void); 549 int dcache_status (void); 550 void dcache_enable (void); 551 void dcache_disable(void); 552 void mmu_disable(void); 553 #if defined(CONFIG_ARM) 554 void relocate_code(ulong); 555 #else 556 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 557 #endif 558 ulong get_endaddr (void); 559 void trap_init (ulong); 560 #if defined (CONFIG_4xx) || \ 561 defined (CONFIG_MPC5xxx) || \ 562 defined (CONFIG_74xx_7xx) || \ 563 defined (CONFIG_74x) || \ 564 defined (CONFIG_75x) || \ 565 defined (CONFIG_74xx) || \ 566 defined (CONFIG_MPC85xx) || \ 567 defined (CONFIG_MPC86xx) || \ 568 defined (CONFIG_MPC83xx) 569 unsigned char in8(unsigned int); 570 void out8(unsigned int, unsigned char); 571 unsigned short in16(unsigned int); 572 unsigned short in16r(unsigned int); 573 void out16(unsigned int, unsigned short value); 574 void out16r(unsigned int, unsigned short value); 575 unsigned long in32(unsigned int); 576 unsigned long in32r(unsigned int); 577 void out32(unsigned int, unsigned long value); 578 void out32r(unsigned int, unsigned long value); 579 void ppcDcbf(unsigned long value); 580 void ppcDcbi(unsigned long value); 581 void ppcSync(void); 582 void ppcDcbz(unsigned long value); 583 #endif 584 #if defined (CONFIG_MICROBLAZE) 585 unsigned short in16(unsigned int); 586 void out16(unsigned int, unsigned short value); 587 #endif 588 589 #if defined (CONFIG_MPC83xx) 590 void ppcDWload(unsigned int *addr, unsigned int *ret); 591 void ppcDWstore(unsigned int *addr, unsigned int *value); 592 void disable_addr_trans(void); 593 void enable_addr_trans(void); 594 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 595 void ddr_enable_ecc(unsigned int dram_size); 596 #endif 597 #endif 598 599 /* 600 * Return the current value of a monotonically increasing microsecond timer. 601 * Granularity may be larger than 1us if hardware does not support this. 602 */ 603 ulong timer_get_us(void); 604 605 /* $(CPU)/cpu.c */ 606 static inline int cpumask_next(int cpu, unsigned int mask) 607 { 608 for (cpu++; !((1 << cpu) & mask); cpu++) 609 ; 610 611 return cpu; 612 } 613 614 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 615 for (iter = 0, cpu = cpumask_next(-1, mask); \ 616 iter < num_cpus; \ 617 iter++, cpu = cpumask_next(cpu, mask)) \ 618 619 int cpu_numcores (void); 620 u32 cpu_mask (void); 621 int is_core_valid (unsigned int); 622 int probecpu (void); 623 int checkcpu (void); 624 int checkicache (void); 625 int checkdcache (void); 626 void upmconfig (unsigned int, unsigned int *, unsigned int); 627 ulong get_tbclk (void); 628 void reset_cpu (ulong addr); 629 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 630 void ft_cpu_setup(void *blob, bd_t *bd); 631 #ifdef CONFIG_PCI 632 void ft_pci_setup(void *blob, bd_t *bd); 633 #endif 634 #endif 635 636 void smp_set_core_boot_addr(unsigned long addr, int corenr); 637 void smp_kick_all_cpus(void); 638 639 /* $(CPU)/serial.c */ 640 int serial_init (void); 641 void serial_setbrg (void); 642 void serial_putc (const char); 643 void serial_putc_raw(const char); 644 void serial_puts (const char *); 645 int serial_getc (void); 646 int serial_tstc (void); 647 648 void _serial_setbrg (const int); 649 void _serial_putc (const char, const int); 650 void _serial_putc_raw(const char, const int); 651 void _serial_puts (const char *, const int); 652 int _serial_getc (const int); 653 int _serial_tstc (const int); 654 655 /* $(CPU)/speed.c */ 656 int get_clocks (void); 657 int get_clocks_866 (void); 658 int sdram_adjust_866 (void); 659 int adjust_sdram_tbs_8xx (void); 660 #if defined(CONFIG_8260) 661 int prt_8260_clks (void); 662 #elif defined(CONFIG_MPC5xxx) 663 int prt_mpc5xxx_clks (void); 664 #endif 665 #ifdef CONFIG_4xx 666 ulong get_OPB_freq (void); 667 ulong get_PCI_freq (void); 668 #endif 669 #if defined(CONFIG_S3C24X0) || \ 670 defined(CONFIG_LH7A40X) || \ 671 defined(CONFIG_EP93XX) 672 ulong get_FCLK (void); 673 ulong get_HCLK (void); 674 ulong get_PCLK (void); 675 ulong get_UCLK (void); 676 #endif 677 #if defined(CONFIG_LH7A40X) 678 ulong get_PLLCLK (void); 679 #endif 680 #if defined CONFIG_INCA_IP 681 uint incaip_get_cpuclk (void); 682 #endif 683 #if defined(CONFIG_IMX) 684 ulong get_systemPLLCLK(void); 685 ulong get_FCLK(void); 686 ulong get_HCLK(void); 687 ulong get_BCLK(void); 688 ulong get_PERCLK1(void); 689 ulong get_PERCLK2(void); 690 ulong get_PERCLK3(void); 691 #endif 692 ulong get_bus_freq (ulong); 693 int get_serial_clock(void); 694 695 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 696 ulong get_ddr_freq(ulong); 697 #endif 698 #if defined(CONFIG_MPC85xx) 699 typedef MPC85xx_SYS_INFO sys_info_t; 700 void get_sys_info ( sys_info_t * ); 701 # if defined(CONFIG_OF_LIBFDT) 702 void ft_fixup_cpu(void *, u64); 703 void ft_fixup_num_cores(void *); 704 # endif 705 #endif 706 #if defined(CONFIG_MPC86xx) 707 typedef MPC86xx_SYS_INFO sys_info_t; 708 void get_sys_info ( sys_info_t * ); 709 static inline ulong get_ddr_freq(ulong dummy) 710 { 711 return get_bus_freq(dummy); 712 } 713 #endif 714 715 #if defined(CONFIG_4xx) 716 # if defined(CONFIG_440) 717 # if defined(CONFIG_440SPE) 718 unsigned long determine_sysper(void); 719 unsigned long determine_pci_clock_per(void); 720 # endif 721 # endif 722 typedef PPC4xx_SYS_INFO sys_info_t; 723 int ppc440spe_revB(void); 724 void get_sys_info ( sys_info_t * ); 725 #endif 726 727 /* $(CPU)/cpu_init.c */ 728 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 729 void cpu_init_f (volatile immap_t *immr); 730 #endif 731 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 732 void cpu_init_f (void); 733 #endif 734 735 int cpu_init_r (void); 736 #if defined(CONFIG_8260) 737 int prt_8260_rsr (void); 738 #elif defined(CONFIG_MPC83xx) 739 int prt_83xx_rsr (void); 740 #endif 741 742 /* $(CPU)/interrupts.c */ 743 int interrupt_init (void); 744 void timer_interrupt (struct pt_regs *); 745 void external_interrupt (struct pt_regs *); 746 void irq_install_handler(int, interrupt_handler_t *, void *); 747 void irq_free_handler (int); 748 void reset_timer (void); 749 ulong get_timer (ulong base); 750 751 /* Return value of monotonic microsecond timer */ 752 unsigned long timer_get_us(void); 753 754 void enable_interrupts (void); 755 int disable_interrupts (void); 756 757 /* $(CPU)/.../commproc.c */ 758 int dpram_init (void); 759 uint dpram_base(void); 760 uint dpram_base_align(uint align); 761 uint dpram_alloc(uint size); 762 uint dpram_alloc_align(uint size,uint align); 763 void bootcount_store (ulong); 764 ulong bootcount_load (void); 765 #define BOOTCOUNT_MAGIC 0xB001C041 766 767 /* $(CPU)/.../<eth> */ 768 void mii_init (void); 769 770 /* $(CPU)/.../lcd.c */ 771 ulong lcd_setmem (ulong); 772 773 /* $(CPU)/.../video.c */ 774 ulong video_setmem (ulong); 775 776 /* arch/$(ARCH)/lib/cache.c */ 777 void enable_caches(void); 778 void flush_cache (unsigned long, unsigned long); 779 void flush_dcache_all(void); 780 void flush_dcache_range(unsigned long start, unsigned long stop); 781 void invalidate_dcache_range(unsigned long start, unsigned long stop); 782 void invalidate_dcache_all(void); 783 void invalidate_icache_all(void); 784 785 /* arch/$(ARCH)/lib/ticks.S */ 786 unsigned long long get_ticks(void); 787 void wait_ticks (unsigned long); 788 789 /* arch/$(ARCH)/lib/time.c */ 790 void __udelay (unsigned long); 791 ulong usec2ticks (unsigned long usec); 792 ulong ticks2usec (unsigned long ticks); 793 int init_timebase (void); 794 795 /* lib/gunzip.c */ 796 int gunzip(void *, int, unsigned char *, unsigned long *); 797 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 798 int stoponerr, int offset); 799 800 /* lib/qsort.c */ 801 void qsort(void *base, size_t nmemb, size_t size, 802 int(*compar)(const void *, const void *)); 803 int strcmp_compar(const void *, const void *); 804 805 /* lib/time.c */ 806 void udelay (unsigned long); 807 void mdelay(unsigned long); 808 809 /* lib/uuid.c */ 810 void uuid_str_to_bin(const char *uuid, unsigned char *out); 811 int uuid_str_valid(const char *uuid); 812 813 /* lib/vsprintf.c */ 814 #include <vsprintf.h> 815 816 /* lib/strmhz.c */ 817 char * strmhz(char *buf, unsigned long hz); 818 819 /* lib/crc32.c */ 820 #include <u-boot/crc.h> 821 822 /* lib/rand.c */ 823 #if defined(CONFIG_RANDOM_MACADDR) || \ 824 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 825 defined(CONFIG_CMD_LINK_LOCAL) 826 #define RAND_MAX -1U 827 void srand(unsigned int seed); 828 unsigned int rand(void); 829 unsigned int rand_r(unsigned int *seedp); 830 #endif 831 832 /* common/console.c */ 833 int console_init_f(void); /* Before relocation; uses the serial stuff */ 834 int console_init_r(void); /* After relocation; uses the console stuff */ 835 int console_assign(int file, const char *devname); /* Assign the console */ 836 int ctrlc (void); 837 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 838 void clear_ctrlc (void); /* clear the Control-C condition */ 839 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 840 841 /* 842 * STDIO based functions (can always be used) 843 */ 844 /* serial stuff */ 845 int serial_printf (const char *fmt, ...) 846 __attribute__ ((format (__printf__, 1, 2))); 847 /* stdin */ 848 int getc(void); 849 int tstc(void); 850 851 /* stdout */ 852 void putc(const char c); 853 void puts(const char *s); 854 int printf(const char *fmt, ...) 855 __attribute__ ((format (__printf__, 1, 2))); 856 int vprintf(const char *fmt, va_list args); 857 858 /* stderr */ 859 #define eputc(c) fputc(stderr, c) 860 #define eputs(s) fputs(stderr, s) 861 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 862 863 /* 864 * FILE based functions (can only be used AFTER relocation!) 865 */ 866 #define stdin 0 867 #define stdout 1 868 #define stderr 2 869 #define MAX_FILES 3 870 871 int fprintf(int file, const char *fmt, ...) 872 __attribute__ ((format (__printf__, 2, 3))); 873 void fputs(int file, const char *s); 874 void fputc(int file, const char c); 875 int ftstc(int file); 876 int fgetc(int file); 877 878 /* lib/gzip.c */ 879 int gzip(void *dst, unsigned long *lenp, 880 unsigned char *src, unsigned long srclen); 881 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 882 unsigned long srclen, int stoponerr, 883 int (*func)(unsigned long, unsigned long)); 884 885 /* lib/net_utils.c */ 886 #include <net.h> 887 static inline IPaddr_t getenv_IPaddr(char *var) 888 { 889 return string_to_ip(getenv(var)); 890 } 891 892 /* 893 * CONSOLE multiplexing. 894 */ 895 #ifdef CONFIG_CONSOLE_MUX 896 #include <iomux.h> 897 #endif 898 899 int pcmcia_init (void); 900 901 #ifdef CONFIG_STATUS_LED 902 # include <status_led.h> 903 #endif 904 905 #include <bootstage.h> 906 907 #ifdef CONFIG_SHOW_ACTIVITY 908 void show_activity(int arg); 909 #endif 910 911 /* Multicore arch functions */ 912 #ifdef CONFIG_MP 913 int cpu_status(int nr); 914 int cpu_reset(int nr); 915 int cpu_disable(int nr); 916 int cpu_release(int nr, int argc, char * const argv[]); 917 #endif 918 919 /* Define a null map_sysmem() if the architecture doesn't use it */ 920 # ifndef CONFIG_ARCH_MAP_SYSMEM 921 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 922 { 923 return (void *)(uintptr_t)paddr; 924 } 925 926 static inline void unmap_sysmem(const void *vaddr) 927 { 928 } 929 930 static inline phys_addr_t map_to_sysmem(const void *ptr) 931 { 932 return (phys_addr_t)(uintptr_t)ptr; 933 } 934 # endif 935 936 #endif /* __ASSEMBLY__ */ 937 938 #ifdef CONFIG_PPC 939 /* 940 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 941 * Otherwise might lead to compilation errors in assembler files. 942 */ 943 #include <asm/cache.h> 944 #endif 945 946 /* Put only stuff here that the assembler can digest */ 947 948 #ifdef CONFIG_POST 949 #define CONFIG_HAS_POST 950 #ifndef CONFIG_POST_ALT_LIST 951 #define CONFIG_POST_STD_LIST 952 #endif 953 #endif 954 955 #ifdef CONFIG_INIT_CRITICAL 956 #error CONFIG_INIT_CRITICAL is deprecated! 957 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 958 #endif 959 960 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 961 962 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 963 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 964 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 965 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 966 967 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 968 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 969 970 /* 971 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 972 * is used to align DMA buffers. 973 */ 974 #ifndef __ASSEMBLY__ 975 #include <asm/cache.h> 976 #endif 977 978 /* 979 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 980 * stack that meets the minimum architecture alignment requirements for DMA. 981 * Such a buffer is useful for DMA operations where flushing and invalidating 982 * the cache before and after a read and/or write operation is required for 983 * correct operations. 984 * 985 * When called the macro creates an array on the stack that is sized such 986 * that: 987 * 988 * 1) The beginning of the array can be advanced enough to be aligned. 989 * 990 * 2) The size of the aligned portion of the array is a multiple of the minimum 991 * architecture alignment required for DMA. 992 * 993 * 3) The aligned portion contains enough space for the original number of 994 * elements requested. 995 * 996 * The macro then creates a pointer to the aligned portion of this array and 997 * assigns to the pointer the address of the first element in the aligned 998 * portion of the array. 999 * 1000 * Calling the macro as: 1001 * 1002 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1003 * 1004 * Will result in something similar to saying: 1005 * 1006 * uint32_t buffer[1024]; 1007 * 1008 * The following differences exist: 1009 * 1010 * 1) The resulting buffer is guaranteed to be aligned to the value of 1011 * ARCH_DMA_MINALIGN. 1012 * 1013 * 2) The buffer variable created by the macro is a pointer to the specified 1014 * type, and NOT an array of the specified type. This can be very important 1015 * if you want the address of the buffer, which you probably do, to pass it 1016 * to the DMA hardware. The value of &buffer is different in the two cases. 1017 * In the macro case it will be the address of the pointer, not the address 1018 * of the space reserved for the buffer. However, in the second case it 1019 * would be the address of the buffer. So if you are replacing hard coded 1020 * stack buffers with this macro you need to make sure you remove the & from 1021 * the locations where you are taking the address of the buffer. 1022 * 1023 * Note that the size parameter is the number of array elements to allocate, 1024 * not the number of bytes. 1025 * 1026 * This macro can not be used outside of function scope, or for the creation 1027 * of a function scoped static buffer. It can not be used to create a cache 1028 * line aligned global buffer. 1029 */ 1030 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1031 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1032 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1033 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1034 + (align - 1)]; \ 1035 \ 1036 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1037 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1038 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1039 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1040 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1041 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1042 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1043 1044 /* 1045 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1046 * purpose is to allow allocating aligned buffers outside of function scope. 1047 * Usage of this macro shall be avoided or used with extreme care! 1048 */ 1049 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1050 static char __##name[roundup(size * sizeof(type), align)] \ 1051 __aligned(align); \ 1052 \ 1053 static type *name = (type *)__##name 1054 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1055 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1056 1057 /* Pull in stuff for the build system */ 1058 #ifdef DO_DEPS_ONLY 1059 # include <environment.h> 1060 #endif 1061 1062 #endif /* __COMMON_H_ */ 1063