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_MPC859) || defined(CONFIG_MPC859T) || \ 32 defined(CONFIG_MPC866) || \ 33 defined(CONFIG_MPC866P) 34 # define CONFIG_MPC866_FAMILY 1 35 #elif defined(CONFIG_MPC870) \ 36 || defined(CONFIG_MPC875) \ 37 || defined(CONFIG_MPC880) \ 38 || defined(CONFIG_MPC885) 39 # define CONFIG_MPC885_FAMILY 1 40 #endif 41 #if defined(CONFIG_MPC860) \ 42 || defined(CONFIG_MPC860T) \ 43 || defined(CONFIG_MPC866_FAMILY) \ 44 || defined(CONFIG_MPC885_FAMILY) 45 # define CONFIG_MPC86x 1 46 #endif 47 #elif defined(CONFIG_5xx) 48 #include <asm/5xx_immap.h> 49 #elif defined(CONFIG_MPC5xxx) 50 #include <mpc5xxx.h> 51 #elif defined(CONFIG_MPC512X) 52 #include <asm/immap_512x.h> 53 #elif defined(CONFIG_MPC8260) 54 #if defined(CONFIG_MPC8247) \ 55 || defined(CONFIG_MPC8272) 56 #define CONFIG_MPC8272_FAMILY 1 57 #endif 58 #include <asm/immap_8260.h> 59 #endif 60 #ifdef CONFIG_MPC86xx 61 #include <mpc86xx.h> 62 #include <asm/immap_86xx.h> 63 #endif 64 #ifdef CONFIG_MPC85xx 65 #include <mpc85xx.h> 66 #include <asm/immap_85xx.h> 67 #endif 68 #ifdef CONFIG_MPC83xx 69 #include <mpc83xx.h> 70 #include <asm/immap_83xx.h> 71 #endif 72 #ifdef CONFIG_4xx 73 #include <asm/ppc4xx.h> 74 #endif 75 #ifdef CONFIG_HYMOD 76 #include <board/hymod/hymod.h> 77 #endif 78 #ifdef CONFIG_ARM 79 #define asmlinkage /* nothing */ 80 #endif 81 #ifdef CONFIG_BLACKFIN 82 #include <asm/blackfin.h> 83 #endif 84 #ifdef CONFIG_SOC_DA8XX 85 #include <asm/arch/hardware.h> 86 #endif 87 88 #include <part.h> 89 #include <flash.h> 90 #include <image.h> 91 92 #ifdef __LP64__ 93 #define CONFIG_SYS_SUPPORT_64BIT_DATA 94 #endif 95 96 #ifdef DEBUG 97 #define _DEBUG 1 98 #else 99 #define _DEBUG 0 100 #endif 101 102 /* 103 * Output a debug text when condition "cond" is met. The "cond" should be 104 * computed by a preprocessor in the best case, allowing for the best 105 * optimization. 106 */ 107 #define debug_cond(cond, fmt, args...) \ 108 do { \ 109 if (cond) \ 110 printf(fmt, ##args); \ 111 } while (0) 112 113 #define debug(fmt, args...) \ 114 debug_cond(_DEBUG, fmt, ##args) 115 116 /* 117 * An assertion is run-time check done in debug mode only. If DEBUG is not 118 * defined then it is skipped. If DEBUG is defined and the assertion fails, 119 * then it calls panic*( which may or may not reset/halt U-Boot (see 120 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 121 * before release, and after release it is hoped that they don't matter. But 122 * in any case these failing assertions cannot be fixed with a reset (which 123 * may just do the same assertion again). 124 */ 125 void __assert_fail(const char *assertion, const char *file, unsigned line, 126 const char *function); 127 #define assert(x) \ 128 ({ if (!(x) && _DEBUG) \ 129 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 130 131 #define error(fmt, args...) do { \ 132 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 133 ##args, __FILE__, __LINE__, __func__); \ 134 } while (0) 135 136 #ifndef BUG 137 #define BUG() do { \ 138 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 139 panic("BUG!"); \ 140 } while (0) 141 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 142 #endif /* BUG */ 143 144 /* Force a compilation error if condition is true */ 145 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 146 147 typedef void (interrupt_handler_t)(void *); 148 149 #include <asm/u-boot.h> /* boot information for Linux kernel */ 150 #include <asm/global_data.h> /* global data used for startup functions */ 151 152 /* 153 * enable common handling for all TQM8xxL/M boards: 154 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 155 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 156 * and for the TQM885D board 157 */ 158 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 159 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 160 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 161 # ifndef CONFIG_TQM8xxM 162 # define CONFIG_TQM8xxM 163 # endif 164 #endif 165 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 166 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 167 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 168 defined(CONFIG_TQM885D) 169 # ifndef CONFIG_TQM8xxL 170 # define CONFIG_TQM8xxL 171 # endif 172 #endif 173 174 /* 175 * General Purpose Utilities 176 */ 177 #define min(X, Y) \ 178 ({ typeof(X) __x = (X); \ 179 typeof(Y) __y = (Y); \ 180 (__x < __y) ? __x : __y; }) 181 182 #define max(X, Y) \ 183 ({ typeof(X) __x = (X); \ 184 typeof(Y) __y = (Y); \ 185 (__x > __y) ? __x : __y; }) 186 187 #define MIN(x, y) min(x, y) 188 #define MAX(x, y) max(x, y) 189 190 #define min3(X, Y, Z) \ 191 ({ typeof(X) __x = (X); \ 192 typeof(Y) __y = (Y); \ 193 typeof(Z) __z = (Z); \ 194 __x < __y ? (__x < __z ? __x : __z) : \ 195 (__y < __z ? __y : __z); }) 196 197 #define max3(X, Y, Z) \ 198 ({ typeof(X) __x = (X); \ 199 typeof(Y) __y = (Y); \ 200 typeof(Z) __z = (Z); \ 201 __x > __y ? (__x > __z ? __x : __z) : \ 202 (__y > __z ? __y : __z); }) 203 204 #define MIN3(x, y, z) min3(x, y, z) 205 #define MAX3(x, y, z) max3(x, y, z) 206 207 /* 208 * Return the absolute value of a number. 209 * 210 * This handles unsigned and signed longs, ints, shorts and chars. For all 211 * input types abs() returns a signed long. 212 * 213 * For 64-bit types, use abs64() 214 */ 215 #define abs(x) ({ \ 216 long ret; \ 217 if (sizeof(x) == sizeof(long)) { \ 218 long __x = (x); \ 219 ret = (__x < 0) ? -__x : __x; \ 220 } else { \ 221 int __x = (x); \ 222 ret = (__x < 0) ? -__x : __x; \ 223 } \ 224 ret; \ 225 }) 226 227 #define abs64(x) ({ \ 228 s64 __x = (x); \ 229 (__x < 0) ? -__x : __x; \ 230 }) 231 232 #if defined(CONFIG_ENV_IS_EMBEDDED) 233 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 234 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 235 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 236 defined(CONFIG_ENV_IS_IN_NVRAM) 237 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 238 #else 239 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 240 #endif 241 242 /** 243 * container_of - cast a member of a structure out to the containing structure 244 * @ptr: the pointer to the member. 245 * @type: the type of the container struct this is embedded in. 246 * @member: the name of the member within the struct. 247 * 248 */ 249 #define container_of(ptr, type, member) ({ \ 250 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 251 (type *)( (char *)__mptr - offsetof(type,member) );}) 252 253 /* 254 * Function Prototypes 255 */ 256 257 void hang (void) __attribute__ ((noreturn)); 258 259 int timer_init(void); 260 int cpu_init(void); 261 262 /* */ 263 phys_size_t initdram (int); 264 int display_options (void); 265 void print_size(unsigned long long, const char *); 266 int print_buffer(ulong addr, const void *data, uint width, uint count, 267 uint linelen); 268 269 /* common/main.c */ 270 void main_loop (void); 271 int run_command(const char *cmd, int flag); 272 int run_command_repeatable(const char *cmd, int flag); 273 274 /** 275 * Run a list of commands separated by ; or even \0 276 * 277 * Note that if 'len' is not -1, then the command does not need to be nul 278 * terminated, Memory will be allocated for the command in that case. 279 * 280 * @param cmd List of commands to run, each separated bu semicolon 281 * @param len Length of commands excluding terminator if known (-1 if not) 282 * @param flag Execution flags (CMD_FLAG_...) 283 * @return 0 on success, or != 0 on error. 284 */ 285 int run_command_list(const char *cmd, int len, int flag); 286 extern char console_buffer[]; 287 288 /* arch/$(ARCH)/lib/board.c */ 289 void board_init_f(ulong); 290 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 291 int checkboard (void); 292 int checkflash (void); 293 int checkdram (void); 294 int last_stage_init(void); 295 extern ulong monitor_flash_len; 296 int mac_read_from_eeprom(void); 297 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 298 int set_cpu_clk_info(void); 299 int mdm_init(void); 300 #if defined(CONFIG_DISPLAY_CPUINFO) 301 int print_cpuinfo(void); 302 #else 303 static inline int print_cpuinfo(void) 304 { 305 return 0; 306 } 307 #endif 308 int update_flash_size(int flash_size); 309 int arch_early_init_r(void); 310 311 /** 312 * Show the DRAM size in a board-specific way 313 * 314 * This is used by boards to display DRAM information in their own way. 315 * 316 * @param size Size of DRAM (which should be displayed along with other info) 317 */ 318 void board_show_dram(ulong size); 319 320 /** 321 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 322 * 323 * Defined in arch/$(ARCH)/lib/bootm.c 324 * 325 * @blob: FDT blob to write to 326 * @return 0 if ok, or -ve FDT_ERR_... on failure 327 */ 328 int arch_fixup_memory_node(void *blob); 329 330 /* common/flash.c */ 331 void flash_perror (int); 332 333 /* common/cmd_source.c */ 334 int source (ulong addr, const char *fit_uname); 335 336 extern ulong load_addr; /* Default Load Address */ 337 extern ulong save_addr; /* Default Save Address */ 338 extern ulong save_size; /* Default Save Size */ 339 340 /* common/cmd_doc.c */ 341 void doc_probe(unsigned long physadr); 342 343 /* common/cmd_net.c */ 344 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 345 346 /* common/cmd_fat.c */ 347 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 348 349 /* common/cmd_ext2.c */ 350 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 351 352 /* common/cmd_nvedit.c */ 353 int env_init (void); 354 void env_relocate (void); 355 int envmatch (uchar *, int); 356 357 /* Avoid unfortunate conflict with libc's getenv() */ 358 #ifdef CONFIG_SANDBOX 359 #define getenv uboot_getenv 360 #endif 361 char *getenv (const char *); 362 int getenv_f (const char *name, char *buf, unsigned len); 363 ulong getenv_ulong(const char *name, int base, ulong default_val); 364 365 /** 366 * getenv_hex() - Return an environment variable as a hex value 367 * 368 * Decode an environment as a hex number (it may or may not have a 0x 369 * prefix). If the environment variable cannot be found, or does not start 370 * with hex digits, the default value is returned. 371 * 372 * @varname: Variable to decode 373 * @default_val: Value to return on error 374 */ 375 ulong getenv_hex(const char *varname, ulong default_val); 376 377 /* 378 * Read an environment variable as a boolean 379 * Return -1 if variable does not exist (default to true) 380 */ 381 int getenv_yesno(const char *var); 382 int saveenv (void); 383 int setenv (const char *, const char *); 384 int setenv_ulong(const char *varname, ulong value); 385 int setenv_hex(const char *varname, ulong value); 386 /** 387 * setenv_addr - Set an environment variable to an address in hex 388 * 389 * @varname: Environment variable to set 390 * @addr: Value to set it to 391 * @return 0 if ok, 1 on error 392 */ 393 static inline int setenv_addr(const char *varname, const void *addr) 394 { 395 return setenv_hex(varname, (ulong)addr); 396 } 397 398 #ifdef CONFIG_ARM 399 # include <asm/mach-types.h> 400 # include <asm/setup.h> 401 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 402 #endif /* CONFIG_ARM */ 403 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 404 # include <asm/u-boot-x86.h> 405 #endif /* CONFIG_X86 */ 406 #ifdef CONFIG_SANDBOX 407 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 408 #endif 409 #ifdef CONFIG_NDS32 410 # include <asm/mach-types.h> 411 # include <asm/setup.h> 412 # include <asm/u-boot-nds32.h> 413 #endif /* CONFIG_NDS32 */ 414 #ifdef CONFIG_MIPS 415 # include <asm/u-boot-mips.h> 416 #endif /* CONFIG_MIPS */ 417 #ifdef CONFIG_ARC 418 # include <asm/u-boot-arc.h> 419 #endif /* CONFIG_ARC */ 420 421 #ifdef CONFIG_AUTO_COMPLETE 422 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 423 #endif 424 int get_env_id (void); 425 426 void pci_init (void); 427 void pci_init_board(void); 428 void pciinfo (int, int); 429 430 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 431 int pci_pre_init (struct pci_controller *); 432 int is_pci_host (struct pci_controller *); 433 #endif 434 435 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 436 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 437 void pci_target_init (struct pci_controller *); 438 # endif 439 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 440 void pci_master_init (struct pci_controller *); 441 # endif 442 #if defined(CONFIG_440SPE) || \ 443 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 444 defined(CONFIG_405EX) 445 void pcie_setup_hoses(int busno); 446 #endif 447 #endif 448 449 int misc_init_f (void); 450 int misc_init_r (void); 451 452 /* common/exports.c */ 453 void jumptable_init(void); 454 455 /* common/kallsysm.c */ 456 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 457 458 /* api/api.c */ 459 void api_init (void); 460 461 /* common/memsize.c */ 462 long get_ram_size (long *, long); 463 phys_size_t get_effective_memsize(void); 464 465 /* $(BOARD)/$(BOARD).c */ 466 void reset_phy (void); 467 void fdc_hw_init (void); 468 469 /* $(BOARD)/eeprom.c */ 470 void eeprom_init (void); 471 #ifndef CONFIG_SPI 472 int eeprom_probe (unsigned dev_addr, unsigned offset); 473 #endif 474 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 475 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 476 #ifdef CONFIG_LWMON 477 extern uchar pic_read (uchar reg); 478 extern void pic_write (uchar reg, uchar val); 479 #endif 480 481 /* 482 * Set this up regardless of board 483 * type, to prevent errors. 484 */ 485 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 486 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 487 #else 488 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 489 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 490 #endif 491 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 492 493 #if defined(CONFIG_SPI) 494 extern void spi_init_f (void); 495 extern void spi_init_r (void); 496 extern ssize_t spi_read (uchar *, int, uchar *, int); 497 extern ssize_t spi_write (uchar *, int, uchar *, int); 498 #endif 499 500 #ifdef CONFIG_HERMES 501 /* $(BOARD)/hermes.c */ 502 void hermes_start_lxt980 (int speed); 503 #endif 504 505 #ifdef CONFIG_EVB64260 506 void evb64260_init(void); 507 void debug_led(int, int); 508 void display_mem_map(void); 509 void perform_soft_reset(void); 510 #endif 511 512 /* $(BOARD)/$(BOARD).c */ 513 int board_early_init_f (void); 514 int board_late_init (void); 515 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 516 int board_early_init_r (void); 517 void board_poweroff (void); 518 519 #if defined(CONFIG_SYS_DRAM_TEST) 520 int testdram(void); 521 #endif /* CONFIG_SYS_DRAM_TEST */ 522 523 /* $(CPU)/start.S */ 524 #if defined(CONFIG_5xx) || \ 525 defined(CONFIG_8xx) 526 uint get_immr (uint); 527 #endif 528 uint get_pir (void); 529 #if defined(CONFIG_MPC5xxx) 530 uint get_svr (void); 531 #endif 532 uint get_pvr (void); 533 uint get_svr (void); 534 uint rd_ic_cst (void); 535 void wr_ic_cst (uint); 536 void wr_ic_adr (uint); 537 uint rd_dc_cst (void); 538 void wr_dc_cst (uint); 539 void wr_dc_adr (uint); 540 int icache_status (void); 541 void icache_enable (void); 542 void icache_disable(void); 543 int dcache_status (void); 544 void dcache_enable (void); 545 void dcache_disable(void); 546 void mmu_disable(void); 547 #if defined(CONFIG_ARM) 548 void relocate_code(ulong); 549 #else 550 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 551 #endif 552 ulong get_endaddr (void); 553 void trap_init (ulong); 554 #if defined (CONFIG_4xx) || \ 555 defined (CONFIG_MPC5xxx) || \ 556 defined (CONFIG_74xx_7xx) || \ 557 defined (CONFIG_74x) || \ 558 defined (CONFIG_75x) || \ 559 defined (CONFIG_74xx) || \ 560 defined (CONFIG_MPC85xx) || \ 561 defined (CONFIG_MPC86xx) || \ 562 defined (CONFIG_MPC83xx) 563 unsigned char in8(unsigned int); 564 void out8(unsigned int, unsigned char); 565 unsigned short in16(unsigned int); 566 unsigned short in16r(unsigned int); 567 void out16(unsigned int, unsigned short value); 568 void out16r(unsigned int, unsigned short value); 569 unsigned long in32(unsigned int); 570 unsigned long in32r(unsigned int); 571 void out32(unsigned int, unsigned long value); 572 void out32r(unsigned int, unsigned long value); 573 void ppcDcbf(unsigned long value); 574 void ppcDcbi(unsigned long value); 575 void ppcSync(void); 576 void ppcDcbz(unsigned long value); 577 #endif 578 #if defined (CONFIG_MICROBLAZE) 579 unsigned short in16(unsigned int); 580 void out16(unsigned int, unsigned short value); 581 #endif 582 583 #if defined (CONFIG_MPC83xx) 584 void ppcDWload(unsigned int *addr, unsigned int *ret); 585 void ppcDWstore(unsigned int *addr, unsigned int *value); 586 void disable_addr_trans(void); 587 void enable_addr_trans(void); 588 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 589 void ddr_enable_ecc(unsigned int dram_size); 590 #endif 591 #endif 592 593 /* 594 * Return the current value of a monotonically increasing microsecond timer. 595 * Granularity may be larger than 1us if hardware does not support this. 596 */ 597 ulong timer_get_us(void); 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 void smp_set_core_boot_addr(unsigned long addr, int corenr); 631 void smp_kick_all_cpus(void); 632 633 /* $(CPU)/serial.c */ 634 int serial_init (void); 635 void serial_setbrg (void); 636 void serial_putc (const char); 637 void serial_putc_raw(const char); 638 void serial_puts (const char *); 639 int serial_getc (void); 640 int serial_tstc (void); 641 642 void _serial_setbrg (const int); 643 void _serial_putc (const char, const int); 644 void _serial_putc_raw(const char, const int); 645 void _serial_puts (const char *, const int); 646 int _serial_getc (const int); 647 int _serial_tstc (const int); 648 649 /* $(CPU)/speed.c */ 650 int get_clocks (void); 651 int get_clocks_866 (void); 652 int sdram_adjust_866 (void); 653 int adjust_sdram_tbs_8xx (void); 654 #if defined(CONFIG_MPC8260) 655 int prt_8260_clks (void); 656 #elif defined(CONFIG_MPC5xxx) 657 int prt_mpc5xxx_clks (void); 658 #endif 659 #ifdef CONFIG_4xx 660 ulong get_OPB_freq (void); 661 ulong get_PCI_freq (void); 662 #endif 663 #if defined(CONFIG_S3C24X0) || \ 664 defined(CONFIG_LH7A40X) || \ 665 defined(CONFIG_EP93XX) 666 ulong get_FCLK (void); 667 ulong get_HCLK (void); 668 ulong get_PCLK (void); 669 ulong get_UCLK (void); 670 #endif 671 #if defined(CONFIG_LH7A40X) 672 ulong get_PLLCLK (void); 673 #endif 674 #if defined(CONFIG_IMX) 675 ulong get_systemPLLCLK(void); 676 ulong get_FCLK(void); 677 ulong get_HCLK(void); 678 ulong get_BCLK(void); 679 ulong get_PERCLK1(void); 680 ulong get_PERCLK2(void); 681 ulong get_PERCLK3(void); 682 #endif 683 ulong get_bus_freq (ulong); 684 int get_serial_clock(void); 685 686 #if defined(CONFIG_MPC85xx) 687 typedef MPC85xx_SYS_INFO sys_info_t; 688 void get_sys_info ( sys_info_t * ); 689 # if defined(CONFIG_OF_LIBFDT) 690 void ft_fixup_cpu(void *, u64); 691 void ft_fixup_num_cores(void *); 692 # endif 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 #else 702 ulong get_ddr_freq(ulong); 703 #endif 704 705 #if defined(CONFIG_4xx) 706 # if defined(CONFIG_440) 707 # if defined(CONFIG_440SPE) 708 unsigned long determine_sysper(void); 709 unsigned long determine_pci_clock_per(void); 710 # endif 711 # endif 712 typedef PPC4xx_SYS_INFO sys_info_t; 713 int ppc440spe_revB(void); 714 void get_sys_info ( sys_info_t * ); 715 #endif 716 717 /* $(CPU)/cpu_init.c */ 718 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 719 void cpu_init_f (volatile immap_t *immr); 720 #endif 721 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 722 void cpu_init_f (void); 723 #endif 724 #ifdef CONFIG_MPC85xx 725 ulong cpu_init_f(void); 726 #endif 727 728 int cpu_init_r (void); 729 #if defined(CONFIG_MPC8260) 730 int prt_8260_rsr (void); 731 #elif defined(CONFIG_MPC83xx) 732 int prt_83xx_rsr (void); 733 #endif 734 735 /* $(CPU)/interrupts.c */ 736 int interrupt_init (void); 737 void timer_interrupt (struct pt_regs *); 738 void external_interrupt (struct pt_regs *); 739 void irq_install_handler(int, interrupt_handler_t *, void *); 740 void irq_free_handler (int); 741 void reset_timer (void); 742 ulong get_timer (ulong base); 743 744 /* Return value of monotonic microsecond timer */ 745 unsigned long timer_get_us(void); 746 747 void enable_interrupts (void); 748 int disable_interrupts (void); 749 750 /* $(CPU)/.../commproc.c */ 751 int dpram_init (void); 752 uint dpram_base(void); 753 uint dpram_base_align(uint align); 754 uint dpram_alloc(uint size); 755 uint dpram_alloc_align(uint size,uint align); 756 void bootcount_store (ulong); 757 ulong bootcount_load (void); 758 #define BOOTCOUNT_MAGIC 0xB001C041 759 760 /* $(CPU)/.../<eth> */ 761 void mii_init (void); 762 763 /* $(CPU)/.../lcd.c */ 764 ulong lcd_setmem (ulong); 765 766 /* $(CPU)/.../video.c */ 767 ulong video_setmem (ulong); 768 769 /* arch/$(ARCH)/lib/cache.c */ 770 void enable_caches(void); 771 void flush_cache (unsigned long, unsigned long); 772 void flush_dcache_all(void); 773 void flush_dcache_range(unsigned long start, unsigned long stop); 774 void invalidate_dcache_range(unsigned long start, unsigned long stop); 775 void invalidate_dcache_all(void); 776 void invalidate_icache_all(void); 777 778 /* arch/$(ARCH)/lib/ticks.S */ 779 unsigned long long get_ticks(void); 780 void wait_ticks (unsigned long); 781 782 /* arch/$(ARCH)/lib/time.c */ 783 void __udelay (unsigned long); 784 ulong usec2ticks (unsigned long usec); 785 ulong ticks2usec (unsigned long ticks); 786 int init_timebase (void); 787 788 /* lib/gunzip.c */ 789 int gunzip(void *, int, unsigned char *, unsigned long *); 790 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 791 int stoponerr, int offset); 792 793 /* lib/qsort.c */ 794 void qsort(void *base, size_t nmemb, size_t size, 795 int(*compar)(const void *, const void *)); 796 int strcmp_compar(const void *, const void *); 797 798 /* lib/time.c */ 799 void udelay (unsigned long); 800 void mdelay(unsigned long); 801 802 /* lib/uuid.c */ 803 #include <uuid.h> 804 805 /* lib/vsprintf.c */ 806 #include <vsprintf.h> 807 808 /* lib/strmhz.c */ 809 char * strmhz(char *buf, unsigned long hz); 810 811 /* lib/crc32.c */ 812 #include <u-boot/crc.h> 813 814 /* lib/rand.c */ 815 #define RAND_MAX -1U 816 void srand(unsigned int seed); 817 unsigned int rand(void); 818 unsigned int rand_r(unsigned int *seedp); 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 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 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(const 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 /* 956 * Divide positive or negative dividend by positive divisor and round 957 * to closest integer. Result is undefined for negative divisors and 958 * for negative dividends if the divisor variable type is unsigned. 959 */ 960 #define DIV_ROUND_CLOSEST(x, divisor)( \ 961 { \ 962 typeof(x) __x = x; \ 963 typeof(divisor) __d = divisor; \ 964 (((typeof(x))-1) > 0 || \ 965 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 966 (((__x) + ((__d) / 2)) / (__d)) : \ 967 (((__x) - ((__d) / 2)) / (__d)); \ 968 } \ 969 ) 970 971 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 972 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 973 974 /* 975 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 976 * is used to align DMA buffers. 977 */ 978 #ifndef __ASSEMBLY__ 979 #include <asm/cache.h> 980 #endif 981 982 /* 983 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 984 * stack that meets the minimum architecture alignment requirements for DMA. 985 * Such a buffer is useful for DMA operations where flushing and invalidating 986 * the cache before and after a read and/or write operation is required for 987 * correct operations. 988 * 989 * When called the macro creates an array on the stack that is sized such 990 * that: 991 * 992 * 1) The beginning of the array can be advanced enough to be aligned. 993 * 994 * 2) The size of the aligned portion of the array is a multiple of the minimum 995 * architecture alignment required for DMA. 996 * 997 * 3) The aligned portion contains enough space for the original number of 998 * elements requested. 999 * 1000 * The macro then creates a pointer to the aligned portion of this array and 1001 * assigns to the pointer the address of the first element in the aligned 1002 * portion of the array. 1003 * 1004 * Calling the macro as: 1005 * 1006 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1007 * 1008 * Will result in something similar to saying: 1009 * 1010 * uint32_t buffer[1024]; 1011 * 1012 * The following differences exist: 1013 * 1014 * 1) The resulting buffer is guaranteed to be aligned to the value of 1015 * ARCH_DMA_MINALIGN. 1016 * 1017 * 2) The buffer variable created by the macro is a pointer to the specified 1018 * type, and NOT an array of the specified type. This can be very important 1019 * if you want the address of the buffer, which you probably do, to pass it 1020 * to the DMA hardware. The value of &buffer is different in the two cases. 1021 * In the macro case it will be the address of the pointer, not the address 1022 * of the space reserved for the buffer. However, in the second case it 1023 * would be the address of the buffer. So if you are replacing hard coded 1024 * stack buffers with this macro you need to make sure you remove the & from 1025 * the locations where you are taking the address of the buffer. 1026 * 1027 * Note that the size parameter is the number of array elements to allocate, 1028 * not the number of bytes. 1029 * 1030 * This macro can not be used outside of function scope, or for the creation 1031 * of a function scoped static buffer. It can not be used to create a cache 1032 * line aligned global buffer. 1033 */ 1034 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1035 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1036 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1037 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1038 + (align - 1)]; \ 1039 \ 1040 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1041 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1042 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1043 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1044 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1045 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1046 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1047 1048 /* 1049 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1050 * purpose is to allow allocating aligned buffers outside of function scope. 1051 * Usage of this macro shall be avoided or used with extreme care! 1052 */ 1053 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1054 static char __##name[roundup(size * sizeof(type), align)] \ 1055 __aligned(align); \ 1056 \ 1057 static type *name = (type *)__##name 1058 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1059 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1060 1061 /* Pull in stuff for the build system */ 1062 #ifdef DO_DEPS_ONLY 1063 # include <environment.h> 1064 #endif 1065 1066 #endif /* __COMMON_H_ */ 1067