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