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_MPC8260) 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 #include <asm/immap_8260.h> 63 #endif 64 #ifdef CONFIG_MPC86xx 65 #include <mpc86xx.h> 66 #include <asm/immap_86xx.h> 67 #endif 68 #ifdef CONFIG_MPC85xx 69 #include <mpc85xx.h> 70 #include <asm/immap_85xx.h> 71 #endif 72 #ifdef CONFIG_MPC83xx 73 #include <mpc83xx.h> 74 #include <asm/immap_83xx.h> 75 #endif 76 #ifdef CONFIG_4xx 77 #include <asm/ppc4xx.h> 78 #endif 79 #ifdef CONFIG_HYMOD 80 #include <board/hymod/hymod.h> 81 #endif 82 #ifdef CONFIG_ARM 83 #define asmlinkage /* nothing */ 84 #endif 85 #ifdef CONFIG_BLACKFIN 86 #include <asm/blackfin.h> 87 #endif 88 #ifdef CONFIG_SOC_DA8XX 89 #include <asm/arch/hardware.h> 90 #endif 91 92 #include <part.h> 93 #include <flash.h> 94 #include <image.h> 95 96 #ifdef __LP64__ 97 #define CONFIG_SYS_SUPPORT_64BIT_DATA 98 #endif 99 100 #ifdef DEBUG 101 #define _DEBUG 1 102 #else 103 #define _DEBUG 0 104 #endif 105 106 /* 107 * Output a debug text when condition "cond" is met. The "cond" should be 108 * computed by a preprocessor in the best case, allowing for the best 109 * optimization. 110 */ 111 #define debug_cond(cond, fmt, args...) \ 112 do { \ 113 if (cond) \ 114 printf(fmt, ##args); \ 115 } while (0) 116 117 #define debug(fmt, args...) \ 118 debug_cond(_DEBUG, fmt, ##args) 119 120 /* 121 * An assertion is run-time check done in debug mode only. If DEBUG is not 122 * defined then it is skipped. If DEBUG is defined and the assertion fails, 123 * then it calls panic*( which may or may not reset/halt U-Boot (see 124 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 125 * before release, and after release it is hoped that they don't matter. But 126 * in any case these failing assertions cannot be fixed with a reset (which 127 * may just do the same assertion again). 128 */ 129 void __assert_fail(const char *assertion, const char *file, unsigned line, 130 const char *function); 131 #define assert(x) \ 132 ({ if (!(x) && _DEBUG) \ 133 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 134 135 #define error(fmt, args...) do { \ 136 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 137 ##args, __FILE__, __LINE__, __func__); \ 138 } while (0) 139 140 #ifndef BUG 141 #define BUG() do { \ 142 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 143 panic("BUG!"); \ 144 } while (0) 145 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 146 #endif /* BUG */ 147 148 /* Force a compilation error if condition is true */ 149 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 150 151 typedef void (interrupt_handler_t)(void *); 152 153 #include <asm/u-boot.h> /* boot information for Linux kernel */ 154 #include <asm/global_data.h> /* global data used for startup functions */ 155 156 /* 157 * enable common handling for all TQM8xxL/M boards: 158 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 159 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 160 * and for the TQM885D board 161 */ 162 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 163 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 164 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 165 # ifndef CONFIG_TQM8xxM 166 # define CONFIG_TQM8xxM 167 # endif 168 #endif 169 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 170 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 171 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 172 defined(CONFIG_TQM885D) 173 # ifndef CONFIG_TQM8xxL 174 # define CONFIG_TQM8xxL 175 # endif 176 #endif 177 178 /* 179 * General Purpose Utilities 180 */ 181 #define min(X, Y) \ 182 ({ typeof(X) __x = (X); \ 183 typeof(Y) __y = (Y); \ 184 (__x < __y) ? __x : __y; }) 185 186 #define max(X, Y) \ 187 ({ typeof(X) __x = (X); \ 188 typeof(Y) __y = (Y); \ 189 (__x > __y) ? __x : __y; }) 190 191 #define MIN(x, y) min(x, y) 192 #define MAX(x, y) max(x, y) 193 194 #define min3(X, Y, Z) \ 195 ({ typeof(X) __x = (X); \ 196 typeof(Y) __y = (Y); \ 197 typeof(Z) __z = (Z); \ 198 __x < __y ? (__x < __z ? __x : __z) : \ 199 (__y < __z ? __y : __z); }) 200 201 #define max3(X, Y, Z) \ 202 ({ typeof(X) __x = (X); \ 203 typeof(Y) __y = (Y); \ 204 typeof(Z) __z = (Z); \ 205 __x > __y ? (__x > __z ? __x : __z) : \ 206 (__y > __z ? __y : __z); }) 207 208 #define MIN3(x, y, z) min3(x, y, z) 209 #define MAX3(x, y, z) max3(x, y, z) 210 211 /* 212 * Return the absolute value of a number. 213 * 214 * This handles unsigned and signed longs, ints, shorts and chars. For all 215 * input types abs() returns a signed long. 216 * 217 * For 64-bit types, use abs64() 218 */ 219 #define abs(x) ({ \ 220 long ret; \ 221 if (sizeof(x) == sizeof(long)) { \ 222 long __x = (x); \ 223 ret = (__x < 0) ? -__x : __x; \ 224 } else { \ 225 int __x = (x); \ 226 ret = (__x < 0) ? -__x : __x; \ 227 } \ 228 ret; \ 229 }) 230 231 #define abs64(x) ({ \ 232 s64 __x = (x); \ 233 (__x < 0) ? -__x : __x; \ 234 }) 235 236 #if defined(CONFIG_ENV_IS_EMBEDDED) 237 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 238 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 239 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 240 defined(CONFIG_ENV_IS_IN_NVRAM) 241 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 242 #else 243 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 244 #endif 245 246 /** 247 * container_of - cast a member of a structure out to the containing structure 248 * @ptr: the pointer to the member. 249 * @type: the type of the container struct this is embedded in. 250 * @member: the name of the member within the struct. 251 * 252 */ 253 #define container_of(ptr, type, member) ({ \ 254 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 255 (type *)( (char *)__mptr - offsetof(type,member) );}) 256 257 /* 258 * Function Prototypes 259 */ 260 261 void hang (void) __attribute__ ((noreturn)); 262 263 int timer_init(void); 264 int cpu_init(void); 265 266 /* */ 267 phys_size_t initdram (int); 268 int display_options (void); 269 void print_size(unsigned long long, const char *); 270 int print_buffer(ulong addr, const void *data, uint width, uint count, 271 uint linelen); 272 273 /* common/main.c */ 274 void main_loop (void); 275 int run_command(const char *cmd, int flag); 276 277 /** 278 * Run a list of commands separated by ; or even \0 279 * 280 * Note that if 'len' is not -1, then the command does not need to be nul 281 * terminated, Memory will be allocated for the command in that case. 282 * 283 * @param cmd List of commands to run, each separated bu semicolon 284 * @param len Length of commands excluding terminator if known (-1 if not) 285 * @param flag Execution flags (CMD_FLAG_...) 286 * @return 0 on success, or != 0 on error. 287 */ 288 int run_command_list(const char *cmd, int len, int flag); 289 extern char console_buffer[]; 290 291 /* arch/$(ARCH)/lib/board.c */ 292 void board_init_f(ulong); 293 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 294 int checkboard (void); 295 int checkflash (void); 296 int checkdram (void); 297 int last_stage_init(void); 298 extern ulong monitor_flash_len; 299 int mac_read_from_eeprom(void); 300 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 301 int set_cpu_clk_info(void); 302 int mdm_init(void); 303 #if defined(CONFIG_DISPLAY_CPUINFO) 304 int print_cpuinfo(void); 305 #else 306 static inline int print_cpuinfo(void) 307 { 308 return 0; 309 } 310 #endif 311 int update_flash_size(int flash_size); 312 int arch_early_init_r(void); 313 314 /** 315 * Show the DRAM size in a board-specific way 316 * 317 * This is used by boards to display DRAM information in their own way. 318 * 319 * @param size Size of DRAM (which should be displayed along with other info) 320 */ 321 void board_show_dram(ulong size); 322 323 /** 324 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 325 * 326 * Defined in arch/$(ARCH)/lib/bootm.c 327 * 328 * @blob: FDT blob to write to 329 * @return 0 if ok, or -ve FDT_ERR_... on failure 330 */ 331 int arch_fixup_memory_node(void *blob); 332 333 /* common/flash.c */ 334 void flash_perror (int); 335 336 /* common/cmd_source.c */ 337 int source (ulong addr, const char *fit_uname); 338 339 extern ulong load_addr; /* Default Load Address */ 340 extern ulong save_addr; /* Default Save Address */ 341 extern ulong save_size; /* Default Save Size */ 342 343 /* common/cmd_doc.c */ 344 void doc_probe(unsigned long physadr); 345 346 /* common/cmd_net.c */ 347 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 348 349 /* common/cmd_fat.c */ 350 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 351 352 /* common/cmd_ext2.c */ 353 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 354 355 /* common/cmd_nvedit.c */ 356 int env_init (void); 357 void env_relocate (void); 358 int envmatch (uchar *, int); 359 360 /* Avoid unfortunate conflict with libc's getenv() */ 361 #ifdef CONFIG_SANDBOX 362 #define getenv uboot_getenv 363 #endif 364 char *getenv (const char *); 365 int getenv_f (const char *name, char *buf, unsigned len); 366 ulong getenv_ulong(const char *name, int base, ulong default_val); 367 368 /** 369 * getenv_hex() - Return an environment variable as a hex value 370 * 371 * Decode an environment as a hex number (it may or may not have a 0x 372 * prefix). If the environment variable cannot be found, or does not start 373 * with hex digits, the default value is returned. 374 * 375 * @varname: Variable to decode 376 * @default_val: Value to return on error 377 */ 378 ulong getenv_hex(const char *varname, ulong default_val); 379 380 /* 381 * Read an environment variable as a boolean 382 * Return -1 if variable does not exist (default to true) 383 */ 384 int getenv_yesno(const char *var); 385 int saveenv (void); 386 int setenv (const char *, const char *); 387 int setenv_ulong(const char *varname, ulong value); 388 int setenv_hex(const char *varname, ulong value); 389 /** 390 * setenv_addr - Set an environment variable to an address in hex 391 * 392 * @varname: Environment variable to set 393 * @addr: Value to set it to 394 * @return 0 if ok, 1 on error 395 */ 396 static inline int setenv_addr(const char *varname, const void *addr) 397 { 398 return setenv_hex(varname, (ulong)addr); 399 } 400 401 #ifdef CONFIG_ARM 402 # include <asm/mach-types.h> 403 # include <asm/setup.h> 404 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 405 #endif /* CONFIG_ARM */ 406 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 407 # include <asm/u-boot-x86.h> 408 #endif /* CONFIG_X86 */ 409 #ifdef CONFIG_SANDBOX 410 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 411 #endif 412 #ifdef CONFIG_NDS32 413 # include <asm/mach-types.h> 414 # include <asm/setup.h> 415 # include <asm/u-boot-nds32.h> 416 #endif /* CONFIG_NDS32 */ 417 #ifdef CONFIG_MIPS 418 # include <asm/u-boot-mips.h> 419 #endif /* CONFIG_MIPS */ 420 #ifdef CONFIG_ARC 421 # include <asm/u-boot-arc.h> 422 #endif /* CONFIG_ARC */ 423 424 #ifdef CONFIG_AUTO_COMPLETE 425 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 426 #endif 427 int get_env_id (void); 428 429 void pci_init (void); 430 void pci_init_board(void); 431 void pciinfo (int, int); 432 433 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 434 int pci_pre_init (struct pci_controller *); 435 int is_pci_host (struct pci_controller *); 436 #endif 437 438 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 439 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 440 void pci_target_init (struct pci_controller *); 441 # endif 442 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 443 void pci_master_init (struct pci_controller *); 444 # endif 445 #if defined(CONFIG_440SPE) || \ 446 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 447 defined(CONFIG_405EX) 448 void pcie_setup_hoses(int busno); 449 #endif 450 #endif 451 452 int misc_init_f (void); 453 int misc_init_r (void); 454 455 /* common/exports.c */ 456 void jumptable_init(void); 457 458 /* common/kallsysm.c */ 459 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 460 461 /* api/api.c */ 462 void api_init (void); 463 464 /* common/memsize.c */ 465 long get_ram_size (long *, long); 466 phys_size_t get_effective_memsize(void); 467 468 /* $(BOARD)/$(BOARD).c */ 469 void reset_phy (void); 470 void fdc_hw_init (void); 471 472 /* $(BOARD)/eeprom.c */ 473 void eeprom_init (void); 474 #ifndef CONFIG_SPI 475 int eeprom_probe (unsigned dev_addr, unsigned offset); 476 #endif 477 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 478 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 479 #ifdef CONFIG_LWMON 480 extern uchar pic_read (uchar reg); 481 extern void pic_write (uchar reg, uchar val); 482 #endif 483 484 /* 485 * Set this up regardless of board 486 * type, to prevent errors. 487 */ 488 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 489 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 490 #else 491 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 492 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 493 #endif 494 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 495 496 #if defined(CONFIG_SPI) 497 extern void spi_init_f (void); 498 extern void spi_init_r (void); 499 extern ssize_t spi_read (uchar *, int, uchar *, int); 500 extern ssize_t spi_write (uchar *, int, uchar *, int); 501 #endif 502 503 void rpxlite_init (void); 504 505 #ifdef CONFIG_HERMES 506 /* $(BOARD)/hermes.c */ 507 void hermes_start_lxt980 (int speed); 508 #endif 509 510 #ifdef CONFIG_EVB64260 511 void evb64260_init(void); 512 void debug_led(int, int); 513 void display_mem_map(void); 514 void perform_soft_reset(void); 515 #endif 516 517 /* $(BOARD)/$(BOARD).c */ 518 int board_early_init_f (void); 519 int board_late_init (void); 520 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 521 int board_early_init_r (void); 522 void board_poweroff (void); 523 524 #if defined(CONFIG_SYS_DRAM_TEST) 525 int testdram(void); 526 #endif /* CONFIG_SYS_DRAM_TEST */ 527 528 /* $(CPU)/start.S */ 529 #if defined(CONFIG_5xx) || \ 530 defined(CONFIG_8xx) 531 uint get_immr (uint); 532 #endif 533 uint get_pir (void); 534 #if defined(CONFIG_MPC5xxx) 535 uint get_svr (void); 536 #endif 537 uint get_pvr (void); 538 uint get_svr (void); 539 uint rd_ic_cst (void); 540 void wr_ic_cst (uint); 541 void wr_ic_adr (uint); 542 uint rd_dc_cst (void); 543 void wr_dc_cst (uint); 544 void wr_dc_adr (uint); 545 int icache_status (void); 546 void icache_enable (void); 547 void icache_disable(void); 548 int dcache_status (void); 549 void dcache_enable (void); 550 void dcache_disable(void); 551 void mmu_disable(void); 552 #if defined(CONFIG_ARM) 553 void relocate_code(ulong); 554 #else 555 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 556 #endif 557 ulong get_endaddr (void); 558 void trap_init (ulong); 559 #if defined (CONFIG_4xx) || \ 560 defined (CONFIG_MPC5xxx) || \ 561 defined (CONFIG_74xx_7xx) || \ 562 defined (CONFIG_74x) || \ 563 defined (CONFIG_75x) || \ 564 defined (CONFIG_74xx) || \ 565 defined (CONFIG_MPC85xx) || \ 566 defined (CONFIG_MPC86xx) || \ 567 defined (CONFIG_MPC83xx) 568 unsigned char in8(unsigned int); 569 void out8(unsigned int, unsigned char); 570 unsigned short in16(unsigned int); 571 unsigned short in16r(unsigned int); 572 void out16(unsigned int, unsigned short value); 573 void out16r(unsigned int, unsigned short value); 574 unsigned long in32(unsigned int); 575 unsigned long in32r(unsigned int); 576 void out32(unsigned int, unsigned long value); 577 void out32r(unsigned int, unsigned long value); 578 void ppcDcbf(unsigned long value); 579 void ppcDcbi(unsigned long value); 580 void ppcSync(void); 581 void ppcDcbz(unsigned long value); 582 #endif 583 #if defined (CONFIG_MICROBLAZE) 584 unsigned short in16(unsigned int); 585 void out16(unsigned int, unsigned short value); 586 #endif 587 588 #if defined (CONFIG_MPC83xx) 589 void ppcDWload(unsigned int *addr, unsigned int *ret); 590 void ppcDWstore(unsigned int *addr, unsigned int *value); 591 void disable_addr_trans(void); 592 void enable_addr_trans(void); 593 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 594 void ddr_enable_ecc(unsigned int dram_size); 595 #endif 596 #endif 597 598 /* 599 * Return the current value of a monotonically increasing microsecond timer. 600 * Granularity may be larger than 1us if hardware does not support this. 601 */ 602 ulong timer_get_us(void); 603 604 /* $(CPU)/cpu.c */ 605 static inline int cpumask_next(int cpu, unsigned int mask) 606 { 607 for (cpu++; !((1 << cpu) & mask); cpu++) 608 ; 609 610 return cpu; 611 } 612 613 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 614 for (iter = 0, cpu = cpumask_next(-1, mask); \ 615 iter < num_cpus; \ 616 iter++, cpu = cpumask_next(cpu, mask)) \ 617 618 int cpu_numcores (void); 619 u32 cpu_mask (void); 620 int is_core_valid (unsigned int); 621 int probecpu (void); 622 int checkcpu (void); 623 int checkicache (void); 624 int checkdcache (void); 625 void upmconfig (unsigned int, unsigned int *, unsigned int); 626 ulong get_tbclk (void); 627 void reset_cpu (ulong addr); 628 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 629 void ft_cpu_setup(void *blob, bd_t *bd); 630 #ifdef CONFIG_PCI 631 void ft_pci_setup(void *blob, bd_t *bd); 632 #endif 633 #endif 634 635 void smp_set_core_boot_addr(unsigned long addr, int corenr); 636 void smp_kick_all_cpus(void); 637 638 /* $(CPU)/serial.c */ 639 int serial_init (void); 640 void serial_setbrg (void); 641 void serial_putc (const char); 642 void serial_putc_raw(const char); 643 void serial_puts (const char *); 644 int serial_getc (void); 645 int serial_tstc (void); 646 647 void _serial_setbrg (const int); 648 void _serial_putc (const char, const int); 649 void _serial_putc_raw(const char, const int); 650 void _serial_puts (const char *, const int); 651 int _serial_getc (const int); 652 int _serial_tstc (const int); 653 654 /* $(CPU)/speed.c */ 655 int get_clocks (void); 656 int get_clocks_866 (void); 657 int sdram_adjust_866 (void); 658 int adjust_sdram_tbs_8xx (void); 659 #if defined(CONFIG_MPC8260) 660 int prt_8260_clks (void); 661 #elif defined(CONFIG_MPC5xxx) 662 int prt_mpc5xxx_clks (void); 663 #endif 664 #ifdef CONFIG_4xx 665 ulong get_OPB_freq (void); 666 ulong get_PCI_freq (void); 667 #endif 668 #if defined(CONFIG_S3C24X0) || \ 669 defined(CONFIG_LH7A40X) || \ 670 defined(CONFIG_EP93XX) 671 ulong get_FCLK (void); 672 ulong get_HCLK (void); 673 ulong get_PCLK (void); 674 ulong get_UCLK (void); 675 #endif 676 #if defined(CONFIG_LH7A40X) 677 ulong get_PLLCLK (void); 678 #endif 679 #if defined(CONFIG_IMX) 680 ulong get_systemPLLCLK(void); 681 ulong get_FCLK(void); 682 ulong get_HCLK(void); 683 ulong get_BCLK(void); 684 ulong get_PERCLK1(void); 685 ulong get_PERCLK2(void); 686 ulong get_PERCLK3(void); 687 #endif 688 ulong get_bus_freq (ulong); 689 int get_serial_clock(void); 690 691 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 692 ulong get_ddr_freq(ulong); 693 #endif 694 #if defined(CONFIG_MPC85xx) 695 typedef MPC85xx_SYS_INFO sys_info_t; 696 void get_sys_info ( sys_info_t * ); 697 # if defined(CONFIG_OF_LIBFDT) 698 void ft_fixup_cpu(void *, u64); 699 void ft_fixup_num_cores(void *); 700 # endif 701 #endif 702 #if defined(CONFIG_MPC86xx) 703 typedef MPC86xx_SYS_INFO sys_info_t; 704 void get_sys_info ( sys_info_t * ); 705 static inline ulong get_ddr_freq(ulong dummy) 706 { 707 return get_bus_freq(dummy); 708 } 709 #endif 710 711 #if defined(CONFIG_4xx) 712 # if defined(CONFIG_440) 713 # if defined(CONFIG_440SPE) 714 unsigned long determine_sysper(void); 715 unsigned long determine_pci_clock_per(void); 716 # endif 717 # endif 718 typedef PPC4xx_SYS_INFO sys_info_t; 719 int ppc440spe_revB(void); 720 void get_sys_info ( sys_info_t * ); 721 #endif 722 723 /* $(CPU)/cpu_init.c */ 724 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 725 void cpu_init_f (volatile immap_t *immr); 726 #endif 727 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 728 void cpu_init_f (void); 729 #endif 730 #ifdef CONFIG_MPC85xx 731 ulong cpu_init_f(void); 732 #endif 733 734 int cpu_init_r (void); 735 #if defined(CONFIG_MPC8260) 736 int prt_8260_rsr (void); 737 #elif defined(CONFIG_MPC83xx) 738 int prt_83xx_rsr (void); 739 #endif 740 741 /* $(CPU)/interrupts.c */ 742 int interrupt_init (void); 743 void timer_interrupt (struct pt_regs *); 744 void external_interrupt (struct pt_regs *); 745 void irq_install_handler(int, interrupt_handler_t *, void *); 746 void irq_free_handler (int); 747 void reset_timer (void); 748 ulong get_timer (ulong base); 749 750 /* Return value of monotonic microsecond timer */ 751 unsigned long timer_get_us(void); 752 753 void enable_interrupts (void); 754 int disable_interrupts (void); 755 756 /* $(CPU)/.../commproc.c */ 757 int dpram_init (void); 758 uint dpram_base(void); 759 uint dpram_base_align(uint align); 760 uint dpram_alloc(uint size); 761 uint dpram_alloc_align(uint size,uint align); 762 void bootcount_store (ulong); 763 ulong bootcount_load (void); 764 #define BOOTCOUNT_MAGIC 0xB001C041 765 766 /* $(CPU)/.../<eth> */ 767 void mii_init (void); 768 769 /* $(CPU)/.../lcd.c */ 770 ulong lcd_setmem (ulong); 771 772 /* $(CPU)/.../video.c */ 773 ulong video_setmem (ulong); 774 775 /* arch/$(ARCH)/lib/cache.c */ 776 void enable_caches(void); 777 void flush_cache (unsigned long, unsigned long); 778 void flush_dcache_all(void); 779 void flush_dcache_range(unsigned long start, unsigned long stop); 780 void invalidate_dcache_range(unsigned long start, unsigned long stop); 781 void invalidate_dcache_all(void); 782 void invalidate_icache_all(void); 783 784 /* arch/$(ARCH)/lib/ticks.S */ 785 unsigned long long get_ticks(void); 786 void wait_ticks (unsigned long); 787 788 /* arch/$(ARCH)/lib/time.c */ 789 void __udelay (unsigned long); 790 ulong usec2ticks (unsigned long usec); 791 ulong ticks2usec (unsigned long ticks); 792 int init_timebase (void); 793 794 /* lib/gunzip.c */ 795 int gunzip(void *, int, unsigned char *, unsigned long *); 796 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 797 int stoponerr, int offset); 798 799 /* lib/qsort.c */ 800 void qsort(void *base, size_t nmemb, size_t size, 801 int(*compar)(const void *, const void *)); 802 int strcmp_compar(const void *, const void *); 803 804 /* lib/time.c */ 805 void udelay (unsigned long); 806 void mdelay(unsigned long); 807 808 /* lib/uuid.c */ 809 #include <uuid.h> 810 811 /* lib/vsprintf.c */ 812 #include <vsprintf.h> 813 814 /* lib/strmhz.c */ 815 char * strmhz(char *buf, unsigned long hz); 816 817 /* lib/crc32.c */ 818 #include <u-boot/crc.h> 819 820 /* lib/rand.c */ 821 #define RAND_MAX -1U 822 void srand(unsigned int seed); 823 unsigned int rand(void); 824 unsigned int rand_r(unsigned int *seedp); 825 826 /* common/console.c */ 827 int console_init_f(void); /* Before relocation; uses the serial stuff */ 828 int console_init_r(void); /* After relocation; uses the console stuff */ 829 int console_assign(int file, const char *devname); /* Assign the console */ 830 int ctrlc (void); 831 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 832 void clear_ctrlc (void); /* clear the Control-C condition */ 833 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 834 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 835 /* 836 * STDIO based functions (can always be used) 837 */ 838 /* serial stuff */ 839 int serial_printf (const char *fmt, ...) 840 __attribute__ ((format (__printf__, 1, 2))); 841 /* stdin */ 842 int getc(void); 843 int tstc(void); 844 845 /* stdout */ 846 void putc(const char c); 847 void puts(const char *s); 848 int printf(const char *fmt, ...) 849 __attribute__ ((format (__printf__, 1, 2))); 850 int vprintf(const char *fmt, va_list args); 851 852 /* stderr */ 853 #define eputc(c) fputc(stderr, c) 854 #define eputs(s) fputs(stderr, s) 855 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 856 857 /* 858 * FILE based functions (can only be used AFTER relocation!) 859 */ 860 #define stdin 0 861 #define stdout 1 862 #define stderr 2 863 #define MAX_FILES 3 864 865 int fprintf(int file, const char *fmt, ...) 866 __attribute__ ((format (__printf__, 2, 3))); 867 void fputs(int file, const char *s); 868 void fputc(int file, const char c); 869 int ftstc(int file); 870 int fgetc(int file); 871 872 /* lib/gzip.c */ 873 int gzip(void *dst, unsigned long *lenp, 874 unsigned char *src, unsigned long srclen); 875 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 876 unsigned long srclen, int stoponerr, 877 int (*func)(unsigned long, unsigned long)); 878 879 /* lib/net_utils.c */ 880 #include <net.h> 881 static inline IPaddr_t getenv_IPaddr(char *var) 882 { 883 return string_to_ip(getenv(var)); 884 } 885 886 /* 887 * CONSOLE multiplexing. 888 */ 889 #ifdef CONFIG_CONSOLE_MUX 890 #include <iomux.h> 891 #endif 892 893 int pcmcia_init (void); 894 895 #ifdef CONFIG_STATUS_LED 896 # include <status_led.h> 897 #endif 898 899 #include <bootstage.h> 900 901 #ifdef CONFIG_SHOW_ACTIVITY 902 void show_activity(int arg); 903 #endif 904 905 /* Multicore arch functions */ 906 #ifdef CONFIG_MP 907 int cpu_status(int nr); 908 int cpu_reset(int nr); 909 int cpu_disable(int nr); 910 int cpu_release(int nr, int argc, char * const argv[]); 911 #endif 912 913 /* Define a null map_sysmem() if the architecture doesn't use it */ 914 # ifndef CONFIG_ARCH_MAP_SYSMEM 915 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 916 { 917 return (void *)(uintptr_t)paddr; 918 } 919 920 static inline void unmap_sysmem(const void *vaddr) 921 { 922 } 923 924 static inline phys_addr_t map_to_sysmem(const void *ptr) 925 { 926 return (phys_addr_t)(uintptr_t)ptr; 927 } 928 # endif 929 930 #endif /* __ASSEMBLY__ */ 931 932 #ifdef CONFIG_PPC 933 /* 934 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 935 * Otherwise might lead to compilation errors in assembler files. 936 */ 937 #include <asm/cache.h> 938 #endif 939 940 /* Put only stuff here that the assembler can digest */ 941 942 #ifdef CONFIG_POST 943 #define CONFIG_HAS_POST 944 #ifndef CONFIG_POST_ALT_LIST 945 #define CONFIG_POST_STD_LIST 946 #endif 947 #endif 948 949 #ifdef CONFIG_INIT_CRITICAL 950 #error CONFIG_INIT_CRITICAL is deprecated! 951 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 952 #endif 953 954 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 955 956 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 957 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 958 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 959 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 960 961 /* 962 * Divide positive or negative dividend by positive divisor and round 963 * to closest integer. Result is undefined for negative divisors and 964 * for negative dividends if the divisor variable type is unsigned. 965 */ 966 #define DIV_ROUND_CLOSEST(x, divisor)( \ 967 { \ 968 typeof(x) __x = x; \ 969 typeof(divisor) __d = divisor; \ 970 (((typeof(x))-1) > 0 || \ 971 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 972 (((__x) + ((__d) / 2)) / (__d)) : \ 973 (((__x) - ((__d) / 2)) / (__d)); \ 974 } \ 975 ) 976 977 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 978 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 979 980 /* 981 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 982 * is used to align DMA buffers. 983 */ 984 #ifndef __ASSEMBLY__ 985 #include <asm/cache.h> 986 #endif 987 988 /* 989 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 990 * stack that meets the minimum architecture alignment requirements for DMA. 991 * Such a buffer is useful for DMA operations where flushing and invalidating 992 * the cache before and after a read and/or write operation is required for 993 * correct operations. 994 * 995 * When called the macro creates an array on the stack that is sized such 996 * that: 997 * 998 * 1) The beginning of the array can be advanced enough to be aligned. 999 * 1000 * 2) The size of the aligned portion of the array is a multiple of the minimum 1001 * architecture alignment required for DMA. 1002 * 1003 * 3) The aligned portion contains enough space for the original number of 1004 * elements requested. 1005 * 1006 * The macro then creates a pointer to the aligned portion of this array and 1007 * assigns to the pointer the address of the first element in the aligned 1008 * portion of the array. 1009 * 1010 * Calling the macro as: 1011 * 1012 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1013 * 1014 * Will result in something similar to saying: 1015 * 1016 * uint32_t buffer[1024]; 1017 * 1018 * The following differences exist: 1019 * 1020 * 1) The resulting buffer is guaranteed to be aligned to the value of 1021 * ARCH_DMA_MINALIGN. 1022 * 1023 * 2) The buffer variable created by the macro is a pointer to the specified 1024 * type, and NOT an array of the specified type. This can be very important 1025 * if you want the address of the buffer, which you probably do, to pass it 1026 * to the DMA hardware. The value of &buffer is different in the two cases. 1027 * In the macro case it will be the address of the pointer, not the address 1028 * of the space reserved for the buffer. However, in the second case it 1029 * would be the address of the buffer. So if you are replacing hard coded 1030 * stack buffers with this macro you need to make sure you remove the & from 1031 * the locations where you are taking the address of the buffer. 1032 * 1033 * Note that the size parameter is the number of array elements to allocate, 1034 * not the number of bytes. 1035 * 1036 * This macro can not be used outside of function scope, or for the creation 1037 * of a function scoped static buffer. It can not be used to create a cache 1038 * line aligned global buffer. 1039 */ 1040 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1041 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1042 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1043 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1044 + (align - 1)]; \ 1045 \ 1046 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1047 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1048 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1049 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1050 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1051 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1052 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1053 1054 /* 1055 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1056 * purpose is to allow allocating aligned buffers outside of function scope. 1057 * Usage of this macro shall be avoided or used with extreme care! 1058 */ 1059 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1060 static char __##name[roundup(size * sizeof(type), align)] \ 1061 __aligned(align); \ 1062 \ 1063 static type *name = (type *)__##name 1064 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1065 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1066 1067 /* Pull in stuff for the build system */ 1068 #ifdef DO_DEPS_ONLY 1069 # include <environment.h> 1070 #endif 1071 1072 #endif /* __COMMON_H_ */ 1073