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_MPC8272) 58 #define CONFIG_MPC8272_FAMILY 1 59 #endif 60 #include <asm/immap_8260.h> 61 #endif 62 #ifdef CONFIG_MPC86xx 63 #include <mpc86xx.h> 64 #include <asm/immap_86xx.h> 65 #endif 66 #ifdef CONFIG_MPC85xx 67 #include <mpc85xx.h> 68 #include <asm/immap_85xx.h> 69 #endif 70 #ifdef CONFIG_MPC83xx 71 #include <mpc83xx.h> 72 #include <asm/immap_83xx.h> 73 #endif 74 #ifdef CONFIG_4xx 75 #include <asm/ppc4xx.h> 76 #endif 77 #ifdef CONFIG_HYMOD 78 #include <board/hymod/hymod.h> 79 #endif 80 #ifdef CONFIG_ARM 81 #define asmlinkage /* nothing */ 82 #endif 83 #ifdef CONFIG_BLACKFIN 84 #include <asm/blackfin.h> 85 #endif 86 #ifdef CONFIG_SOC_DA8XX 87 #include <asm/arch/hardware.h> 88 #endif 89 90 #include <part.h> 91 #include <flash.h> 92 #include <image.h> 93 94 #ifdef __LP64__ 95 #define CONFIG_SYS_SUPPORT_64BIT_DATA 96 #endif 97 98 #ifdef DEBUG 99 #define _DEBUG 1 100 #else 101 #define _DEBUG 0 102 #endif 103 104 /* 105 * Output a debug text when condition "cond" is met. The "cond" should be 106 * computed by a preprocessor in the best case, allowing for the best 107 * optimization. 108 */ 109 #define debug_cond(cond, fmt, args...) \ 110 do { \ 111 if (cond) \ 112 printf(fmt, ##args); \ 113 } while (0) 114 115 #define debug(fmt, args...) \ 116 debug_cond(_DEBUG, fmt, ##args) 117 118 /* 119 * An assertion is run-time check done in debug mode only. If DEBUG is not 120 * defined then it is skipped. If DEBUG is defined and the assertion fails, 121 * then it calls panic*( which may or may not reset/halt U-Boot (see 122 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 123 * before release, and after release it is hoped that they don't matter. But 124 * in any case these failing assertions cannot be fixed with a reset (which 125 * may just do the same assertion again). 126 */ 127 void __assert_fail(const char *assertion, const char *file, unsigned line, 128 const char *function); 129 #define assert(x) \ 130 ({ if (!(x) && _DEBUG) \ 131 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 132 133 #define error(fmt, args...) do { \ 134 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 135 ##args, __FILE__, __LINE__, __func__); \ 136 } while (0) 137 138 #ifndef BUG 139 #define BUG() do { \ 140 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 141 panic("BUG!"); \ 142 } while (0) 143 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 144 #endif /* BUG */ 145 146 /* Force a compilation error if condition is true */ 147 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 148 149 typedef void (interrupt_handler_t)(void *); 150 151 #include <asm/u-boot.h> /* boot information for Linux kernel */ 152 #include <asm/global_data.h> /* global data used for startup functions */ 153 154 /* 155 * enable common handling for all TQM8xxL/M boards: 156 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 157 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 158 * and for the TQM885D board 159 */ 160 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 161 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 162 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 163 # ifndef CONFIG_TQM8xxM 164 # define CONFIG_TQM8xxM 165 # endif 166 #endif 167 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 168 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 169 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 170 defined(CONFIG_TQM885D) 171 # ifndef CONFIG_TQM8xxL 172 # define CONFIG_TQM8xxL 173 # endif 174 #endif 175 176 /* 177 * General Purpose Utilities 178 */ 179 #define min(X, Y) \ 180 ({ typeof(X) __x = (X); \ 181 typeof(Y) __y = (Y); \ 182 (__x < __y) ? __x : __y; }) 183 184 #define max(X, Y) \ 185 ({ typeof(X) __x = (X); \ 186 typeof(Y) __y = (Y); \ 187 (__x > __y) ? __x : __y; }) 188 189 #define MIN(x, y) min(x, y) 190 #define MAX(x, y) max(x, y) 191 192 #define min3(X, Y, Z) \ 193 ({ typeof(X) __x = (X); \ 194 typeof(Y) __y = (Y); \ 195 typeof(Z) __z = (Z); \ 196 __x < __y ? (__x < __z ? __x : __z) : \ 197 (__y < __z ? __y : __z); }) 198 199 #define max3(X, Y, Z) \ 200 ({ typeof(X) __x = (X); \ 201 typeof(Y) __y = (Y); \ 202 typeof(Z) __z = (Z); \ 203 __x > __y ? (__x > __z ? __x : __z) : \ 204 (__y > __z ? __y : __z); }) 205 206 #define MIN3(x, y, z) min3(x, y, z) 207 #define MAX3(x, y, z) max3(x, y, z) 208 209 /* 210 * Return the absolute value of a number. 211 * 212 * This handles unsigned and signed longs, ints, shorts and chars. For all 213 * input types abs() returns a signed long. 214 * 215 * For 64-bit types, use abs64() 216 */ 217 #define abs(x) ({ \ 218 long ret; \ 219 if (sizeof(x) == sizeof(long)) { \ 220 long __x = (x); \ 221 ret = (__x < 0) ? -__x : __x; \ 222 } else { \ 223 int __x = (x); \ 224 ret = (__x < 0) ? -__x : __x; \ 225 } \ 226 ret; \ 227 }) 228 229 #define abs64(x) ({ \ 230 s64 __x = (x); \ 231 (__x < 0) ? -__x : __x; \ 232 }) 233 234 #if defined(CONFIG_ENV_IS_EMBEDDED) 235 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 236 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 237 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 238 defined(CONFIG_ENV_IS_IN_NVRAM) 239 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 240 #else 241 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 242 #endif 243 244 /** 245 * container_of - cast a member of a structure out to the containing structure 246 * @ptr: the pointer to the member. 247 * @type: the type of the container struct this is embedded in. 248 * @member: the name of the member within the struct. 249 * 250 */ 251 #define container_of(ptr, type, member) ({ \ 252 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 253 (type *)( (char *)__mptr - offsetof(type,member) );}) 254 255 /* 256 * Function Prototypes 257 */ 258 259 void hang (void) __attribute__ ((noreturn)); 260 261 int timer_init(void); 262 int cpu_init(void); 263 264 /* */ 265 phys_size_t initdram (int); 266 int display_options (void); 267 void print_size(unsigned long long, const char *); 268 int print_buffer(ulong addr, const void *data, uint width, uint count, 269 uint linelen); 270 271 /* common/main.c */ 272 void main_loop (void); 273 int run_command(const char *cmd, int flag); 274 int run_command_repeatable(const char *cmd, int flag); 275 276 /** 277 * Run a list of commands separated by ; or even \0 278 * 279 * Note that if 'len' is not -1, then the command does not need to be nul 280 * terminated, Memory will be allocated for the command in that case. 281 * 282 * @param cmd List of commands to run, each separated bu semicolon 283 * @param len Length of commands excluding terminator if known (-1 if not) 284 * @param flag Execution flags (CMD_FLAG_...) 285 * @return 0 on success, or != 0 on error. 286 */ 287 int run_command_list(const char *cmd, int len, int flag); 288 extern char console_buffer[]; 289 290 /* arch/$(ARCH)/lib/board.c */ 291 void board_init_f(ulong); 292 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 293 int checkboard (void); 294 int checkflash (void); 295 int checkdram (void); 296 int last_stage_init(void); 297 extern ulong monitor_flash_len; 298 int mac_read_from_eeprom(void); 299 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 300 int set_cpu_clk_info(void); 301 int mdm_init(void); 302 #if defined(CONFIG_DISPLAY_CPUINFO) 303 int print_cpuinfo(void); 304 #else 305 static inline int print_cpuinfo(void) 306 { 307 return 0; 308 } 309 #endif 310 int update_flash_size(int flash_size); 311 int arch_early_init_r(void); 312 313 /** 314 * Show the DRAM size in a board-specific way 315 * 316 * This is used by boards to display DRAM information in their own way. 317 * 318 * @param size Size of DRAM (which should be displayed along with other info) 319 */ 320 void board_show_dram(ulong size); 321 322 /** 323 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 324 * 325 * Defined in arch/$(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); 358 359 /* Avoid unfortunate conflict with libc's getenv() */ 360 #ifdef CONFIG_SANDBOX 361 #define getenv uboot_getenv 362 #endif 363 char *getenv (const char *); 364 int getenv_f (const char *name, char *buf, unsigned len); 365 ulong getenv_ulong(const char *name, int base, ulong default_val); 366 367 /** 368 * getenv_hex() - Return an environment variable as a hex value 369 * 370 * Decode an environment as a hex number (it may or may not have a 0x 371 * prefix). If the environment variable cannot be found, or does not start 372 * with hex digits, the default value is returned. 373 * 374 * @varname: Variable to decode 375 * @default_val: Value to return on error 376 */ 377 ulong getenv_hex(const char *varname, ulong default_val); 378 379 /* 380 * Read an environment variable as a boolean 381 * Return -1 if variable does not exist (default to true) 382 */ 383 int getenv_yesno(const char *var); 384 int saveenv (void); 385 int setenv (const char *, const char *); 386 int setenv_ulong(const char *varname, ulong value); 387 int setenv_hex(const char *varname, ulong value); 388 /** 389 * setenv_addr - Set an environment variable to an address in hex 390 * 391 * @varname: Environment variable to set 392 * @addr: Value to set it to 393 * @return 0 if ok, 1 on error 394 */ 395 static inline int setenv_addr(const char *varname, const void *addr) 396 { 397 return setenv_hex(varname, (ulong)addr); 398 } 399 400 #ifdef CONFIG_ARM 401 # include <asm/mach-types.h> 402 # include <asm/setup.h> 403 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 404 #endif /* CONFIG_ARM */ 405 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 406 # include <asm/u-boot-x86.h> 407 #endif /* CONFIG_X86 */ 408 #ifdef CONFIG_SANDBOX 409 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 410 #endif 411 #ifdef CONFIG_NDS32 412 # include <asm/mach-types.h> 413 # include <asm/setup.h> 414 # include <asm/u-boot-nds32.h> 415 #endif /* CONFIG_NDS32 */ 416 #ifdef CONFIG_MIPS 417 # include <asm/u-boot-mips.h> 418 #endif /* CONFIG_MIPS */ 419 #ifdef CONFIG_ARC 420 # include <asm/u-boot-arc.h> 421 #endif /* CONFIG_ARC */ 422 423 #ifdef CONFIG_AUTO_COMPLETE 424 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 425 #endif 426 int get_env_id (void); 427 428 void pci_init (void); 429 void pci_init_board(void); 430 void pciinfo (int, int); 431 432 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 433 int pci_pre_init (struct pci_controller *); 434 int is_pci_host (struct pci_controller *); 435 #endif 436 437 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 438 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 439 void pci_target_init (struct pci_controller *); 440 # endif 441 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 442 void pci_master_init (struct pci_controller *); 443 # endif 444 #if defined(CONFIG_440SPE) || \ 445 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 446 defined(CONFIG_405EX) 447 void pcie_setup_hoses(int busno); 448 #endif 449 #endif 450 451 int misc_init_f (void); 452 int misc_init_r (void); 453 454 /* common/exports.c */ 455 void jumptable_init(void); 456 457 /* common/kallsysm.c */ 458 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 459 460 /* api/api.c */ 461 void api_init (void); 462 463 /* common/memsize.c */ 464 long get_ram_size (long *, long); 465 phys_size_t get_effective_memsize(void); 466 467 /* $(BOARD)/$(BOARD).c */ 468 void reset_phy (void); 469 void fdc_hw_init (void); 470 471 /* $(BOARD)/eeprom.c */ 472 void eeprom_init (void); 473 #ifndef CONFIG_SPI 474 int eeprom_probe (unsigned dev_addr, unsigned offset); 475 #endif 476 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 477 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 478 #ifdef CONFIG_LWMON 479 extern uchar pic_read (uchar reg); 480 extern void pic_write (uchar reg, uchar val); 481 #endif 482 483 /* 484 * Set this up regardless of board 485 * type, to prevent errors. 486 */ 487 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 488 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 489 #else 490 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 491 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 492 #endif 493 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 494 495 #if defined(CONFIG_SPI) 496 extern void spi_init_f (void); 497 extern void spi_init_r (void); 498 extern ssize_t spi_read (uchar *, int, uchar *, int); 499 extern ssize_t spi_write (uchar *, int, uchar *, int); 500 #endif 501 502 void rpxlite_init (void); 503 504 #ifdef CONFIG_HERMES 505 /* $(BOARD)/hermes.c */ 506 void hermes_start_lxt980 (int speed); 507 #endif 508 509 #ifdef CONFIG_EVB64260 510 void evb64260_init(void); 511 void debug_led(int, int); 512 void display_mem_map(void); 513 void perform_soft_reset(void); 514 #endif 515 516 /* $(BOARD)/$(BOARD).c */ 517 int board_early_init_f (void); 518 int board_late_init (void); 519 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 520 int board_early_init_r (void); 521 void board_poweroff (void); 522 523 #if defined(CONFIG_SYS_DRAM_TEST) 524 int testdram(void); 525 #endif /* CONFIG_SYS_DRAM_TEST */ 526 527 /* $(CPU)/start.S */ 528 #if defined(CONFIG_5xx) || \ 529 defined(CONFIG_8xx) 530 uint get_immr (uint); 531 #endif 532 uint get_pir (void); 533 #if defined(CONFIG_MPC5xxx) 534 uint get_svr (void); 535 #endif 536 uint get_pvr (void); 537 uint get_svr (void); 538 uint rd_ic_cst (void); 539 void wr_ic_cst (uint); 540 void wr_ic_adr (uint); 541 uint rd_dc_cst (void); 542 void wr_dc_cst (uint); 543 void wr_dc_adr (uint); 544 int icache_status (void); 545 void icache_enable (void); 546 void icache_disable(void); 547 int dcache_status (void); 548 void dcache_enable (void); 549 void dcache_disable(void); 550 void mmu_disable(void); 551 #if defined(CONFIG_ARM) 552 void relocate_code(ulong); 553 #else 554 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 555 #endif 556 ulong get_endaddr (void); 557 void trap_init (ulong); 558 #if defined (CONFIG_4xx) || \ 559 defined (CONFIG_MPC5xxx) || \ 560 defined (CONFIG_74xx_7xx) || \ 561 defined (CONFIG_74x) || \ 562 defined (CONFIG_75x) || \ 563 defined (CONFIG_74xx) || \ 564 defined (CONFIG_MPC85xx) || \ 565 defined (CONFIG_MPC86xx) || \ 566 defined (CONFIG_MPC83xx) 567 unsigned char in8(unsigned int); 568 void out8(unsigned int, unsigned char); 569 unsigned short in16(unsigned int); 570 unsigned short in16r(unsigned int); 571 void out16(unsigned int, unsigned short value); 572 void out16r(unsigned int, unsigned short value); 573 unsigned long in32(unsigned int); 574 unsigned long in32r(unsigned int); 575 void out32(unsigned int, unsigned long value); 576 void out32r(unsigned int, unsigned long value); 577 void ppcDcbf(unsigned long value); 578 void ppcDcbi(unsigned long value); 579 void ppcSync(void); 580 void ppcDcbz(unsigned long value); 581 #endif 582 #if defined (CONFIG_MICROBLAZE) 583 unsigned short in16(unsigned int); 584 void out16(unsigned int, unsigned short value); 585 #endif 586 587 #if defined (CONFIG_MPC83xx) 588 void ppcDWload(unsigned int *addr, unsigned int *ret); 589 void ppcDWstore(unsigned int *addr, unsigned int *value); 590 void disable_addr_trans(void); 591 void enable_addr_trans(void); 592 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 593 void ddr_enable_ecc(unsigned int dram_size); 594 #endif 595 #endif 596 597 /* 598 * Return the current value of a monotonically increasing microsecond timer. 599 * Granularity may be larger than 1us if hardware does not support this. 600 */ 601 ulong timer_get_us(void); 602 603 /* $(CPU)/cpu.c */ 604 static inline int cpumask_next(int cpu, unsigned int mask) 605 { 606 for (cpu++; !((1 << cpu) & mask); cpu++) 607 ; 608 609 return cpu; 610 } 611 612 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 613 for (iter = 0, cpu = cpumask_next(-1, mask); \ 614 iter < num_cpus; \ 615 iter++, cpu = cpumask_next(cpu, mask)) \ 616 617 int cpu_numcores (void); 618 u32 cpu_mask (void); 619 int is_core_valid (unsigned int); 620 int probecpu (void); 621 int checkcpu (void); 622 int checkicache (void); 623 int checkdcache (void); 624 void upmconfig (unsigned int, unsigned int *, unsigned int); 625 ulong get_tbclk (void); 626 void reset_cpu (ulong addr); 627 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 628 void ft_cpu_setup(void *blob, bd_t *bd); 629 #ifdef CONFIG_PCI 630 void ft_pci_setup(void *blob, bd_t *bd); 631 #endif 632 #endif 633 634 void smp_set_core_boot_addr(unsigned long addr, int corenr); 635 void smp_kick_all_cpus(void); 636 637 /* $(CPU)/serial.c */ 638 int serial_init (void); 639 void serial_setbrg (void); 640 void serial_putc (const char); 641 void serial_putc_raw(const char); 642 void serial_puts (const char *); 643 int serial_getc (void); 644 int serial_tstc (void); 645 646 void _serial_setbrg (const int); 647 void _serial_putc (const char, const int); 648 void _serial_putc_raw(const char, const int); 649 void _serial_puts (const char *, const int); 650 int _serial_getc (const int); 651 int _serial_tstc (const int); 652 653 /* $(CPU)/speed.c */ 654 int get_clocks (void); 655 int get_clocks_866 (void); 656 int sdram_adjust_866 (void); 657 int adjust_sdram_tbs_8xx (void); 658 #if defined(CONFIG_MPC8260) 659 int prt_8260_clks (void); 660 #elif defined(CONFIG_MPC5xxx) 661 int prt_mpc5xxx_clks (void); 662 #endif 663 #ifdef CONFIG_4xx 664 ulong get_OPB_freq (void); 665 ulong get_PCI_freq (void); 666 #endif 667 #if defined(CONFIG_S3C24X0) || \ 668 defined(CONFIG_LH7A40X) || \ 669 defined(CONFIG_EP93XX) 670 ulong get_FCLK (void); 671 ulong get_HCLK (void); 672 ulong get_PCLK (void); 673 ulong get_UCLK (void); 674 #endif 675 #if defined(CONFIG_LH7A40X) 676 ulong get_PLLCLK (void); 677 #endif 678 #if defined(CONFIG_IMX) 679 ulong get_systemPLLCLK(void); 680 ulong get_FCLK(void); 681 ulong get_HCLK(void); 682 ulong get_BCLK(void); 683 ulong get_PERCLK1(void); 684 ulong get_PERCLK2(void); 685 ulong get_PERCLK3(void); 686 #endif 687 ulong get_bus_freq (ulong); 688 int get_serial_clock(void); 689 690 #if defined(CONFIG_MPC85xx) 691 typedef MPC85xx_SYS_INFO sys_info_t; 692 void get_sys_info ( sys_info_t * ); 693 # if defined(CONFIG_OF_LIBFDT) 694 void ft_fixup_cpu(void *, u64); 695 void ft_fixup_num_cores(void *); 696 # endif 697 #endif 698 #if defined(CONFIG_MPC86xx) 699 typedef MPC86xx_SYS_INFO sys_info_t; 700 void get_sys_info ( sys_info_t * ); 701 static inline ulong get_ddr_freq(ulong dummy) 702 { 703 return get_bus_freq(dummy); 704 } 705 #else 706 ulong get_ddr_freq(ulong); 707 #endif 708 709 #if defined(CONFIG_4xx) 710 # if defined(CONFIG_440) 711 # if defined(CONFIG_440SPE) 712 unsigned long determine_sysper(void); 713 unsigned long determine_pci_clock_per(void); 714 # endif 715 # endif 716 typedef PPC4xx_SYS_INFO sys_info_t; 717 int ppc440spe_revB(void); 718 void get_sys_info ( sys_info_t * ); 719 #endif 720 721 /* $(CPU)/cpu_init.c */ 722 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 723 void cpu_init_f (volatile immap_t *immr); 724 #endif 725 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 726 void cpu_init_f (void); 727 #endif 728 #ifdef CONFIG_MPC85xx 729 ulong cpu_init_f(void); 730 #endif 731 732 int cpu_init_r (void); 733 #if defined(CONFIG_MPC8260) 734 int prt_8260_rsr (void); 735 #elif defined(CONFIG_MPC83xx) 736 int prt_83xx_rsr (void); 737 #endif 738 739 /* $(CPU)/interrupts.c */ 740 int interrupt_init (void); 741 void timer_interrupt (struct pt_regs *); 742 void external_interrupt (struct pt_regs *); 743 void irq_install_handler(int, interrupt_handler_t *, void *); 744 void irq_free_handler (int); 745 void reset_timer (void); 746 ulong get_timer (ulong base); 747 748 /* Return value of monotonic microsecond timer */ 749 unsigned long timer_get_us(void); 750 751 void enable_interrupts (void); 752 int disable_interrupts (void); 753 754 /* $(CPU)/.../commproc.c */ 755 int dpram_init (void); 756 uint dpram_base(void); 757 uint dpram_base_align(uint align); 758 uint dpram_alloc(uint size); 759 uint dpram_alloc_align(uint size,uint align); 760 void bootcount_store (ulong); 761 ulong bootcount_load (void); 762 #define BOOTCOUNT_MAGIC 0xB001C041 763 764 /* $(CPU)/.../<eth> */ 765 void mii_init (void); 766 767 /* $(CPU)/.../lcd.c */ 768 ulong lcd_setmem (ulong); 769 770 /* $(CPU)/.../video.c */ 771 ulong video_setmem (ulong); 772 773 /* arch/$(ARCH)/lib/cache.c */ 774 void enable_caches(void); 775 void flush_cache (unsigned long, unsigned long); 776 void flush_dcache_all(void); 777 void flush_dcache_range(unsigned long start, unsigned long stop); 778 void invalidate_dcache_range(unsigned long start, unsigned long stop); 779 void invalidate_dcache_all(void); 780 void invalidate_icache_all(void); 781 782 /* arch/$(ARCH)/lib/ticks.S */ 783 unsigned long long get_ticks(void); 784 void wait_ticks (unsigned long); 785 786 /* arch/$(ARCH)/lib/time.c */ 787 void __udelay (unsigned long); 788 ulong usec2ticks (unsigned long usec); 789 ulong ticks2usec (unsigned long ticks); 790 int init_timebase (void); 791 792 /* lib/gunzip.c */ 793 int gunzip(void *, int, unsigned char *, unsigned long *); 794 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 795 int stoponerr, int offset); 796 797 /* lib/qsort.c */ 798 void qsort(void *base, size_t nmemb, size_t size, 799 int(*compar)(const void *, const void *)); 800 int strcmp_compar(const void *, const void *); 801 802 /* lib/time.c */ 803 void udelay (unsigned long); 804 void mdelay(unsigned long); 805 806 /* lib/uuid.c */ 807 #include <uuid.h> 808 809 /* lib/vsprintf.c */ 810 #include <vsprintf.h> 811 812 /* lib/strmhz.c */ 813 char * strmhz(char *buf, unsigned long hz); 814 815 /* lib/crc32.c */ 816 #include <u-boot/crc.h> 817 818 /* lib/rand.c */ 819 #define RAND_MAX -1U 820 void srand(unsigned int seed); 821 unsigned int rand(void); 822 unsigned int rand_r(unsigned int *seedp); 823 824 /* common/console.c */ 825 int console_init_f(void); /* Before relocation; uses the serial stuff */ 826 int console_init_r(void); /* After relocation; uses the console stuff */ 827 int console_assign(int file, const char *devname); /* Assign the console */ 828 int ctrlc (void); 829 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 830 void clear_ctrlc (void); /* clear the Control-C condition */ 831 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 832 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 833 /* 834 * STDIO based functions (can always be used) 835 */ 836 /* serial stuff */ 837 int serial_printf (const char *fmt, ...) 838 __attribute__ ((format (__printf__, 1, 2))); 839 /* stdin */ 840 int getc(void); 841 int tstc(void); 842 843 /* stdout */ 844 void putc(const char c); 845 void puts(const char *s); 846 int printf(const char *fmt, ...) 847 __attribute__ ((format (__printf__, 1, 2))); 848 int vprintf(const char *fmt, va_list args); 849 850 /* stderr */ 851 #define eputc(c) fputc(stderr, c) 852 #define eputs(s) fputs(stderr, s) 853 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 854 855 /* 856 * FILE based functions (can only be used AFTER relocation!) 857 */ 858 #define stdin 0 859 #define stdout 1 860 #define stderr 2 861 #define MAX_FILES 3 862 863 int fprintf(int file, const char *fmt, ...) 864 __attribute__ ((format (__printf__, 2, 3))); 865 void fputs(int file, const char *s); 866 void fputc(int file, const char c); 867 int ftstc(int file); 868 int fgetc(int file); 869 870 /* lib/gzip.c */ 871 int gzip(void *dst, unsigned long *lenp, 872 unsigned char *src, unsigned long srclen); 873 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 874 unsigned long srclen, int stoponerr, 875 int (*func)(unsigned long, unsigned long)); 876 877 /* lib/net_utils.c */ 878 #include <net.h> 879 static inline IPaddr_t getenv_IPaddr(char *var) 880 { 881 return string_to_ip(getenv(var)); 882 } 883 884 /* 885 * CONSOLE multiplexing. 886 */ 887 #ifdef CONFIG_CONSOLE_MUX 888 #include <iomux.h> 889 #endif 890 891 int pcmcia_init (void); 892 893 #ifdef CONFIG_STATUS_LED 894 # include <status_led.h> 895 #endif 896 897 #include <bootstage.h> 898 899 #ifdef CONFIG_SHOW_ACTIVITY 900 void show_activity(int arg); 901 #endif 902 903 /* Multicore arch functions */ 904 #ifdef CONFIG_MP 905 int cpu_status(int nr); 906 int cpu_reset(int nr); 907 int cpu_disable(int nr); 908 int cpu_release(int nr, int argc, char * const argv[]); 909 #endif 910 911 /* Define a null map_sysmem() if the architecture doesn't use it */ 912 # ifndef CONFIG_ARCH_MAP_SYSMEM 913 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 914 { 915 return (void *)(uintptr_t)paddr; 916 } 917 918 static inline void unmap_sysmem(const void *vaddr) 919 { 920 } 921 922 static inline phys_addr_t map_to_sysmem(const void *ptr) 923 { 924 return (phys_addr_t)(uintptr_t)ptr; 925 } 926 # endif 927 928 #endif /* __ASSEMBLY__ */ 929 930 #ifdef CONFIG_PPC 931 /* 932 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 933 * Otherwise might lead to compilation errors in assembler files. 934 */ 935 #include <asm/cache.h> 936 #endif 937 938 /* Put only stuff here that the assembler can digest */ 939 940 #ifdef CONFIG_POST 941 #define CONFIG_HAS_POST 942 #ifndef CONFIG_POST_ALT_LIST 943 #define CONFIG_POST_STD_LIST 944 #endif 945 #endif 946 947 #ifdef CONFIG_INIT_CRITICAL 948 #error CONFIG_INIT_CRITICAL is deprecated! 949 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 950 #endif 951 952 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 953 954 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 955 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 956 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 957 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 958 959 /* 960 * Divide positive or negative dividend by positive divisor and round 961 * to closest integer. Result is undefined for negative divisors and 962 * for negative dividends if the divisor variable type is unsigned. 963 */ 964 #define DIV_ROUND_CLOSEST(x, divisor)( \ 965 { \ 966 typeof(x) __x = x; \ 967 typeof(divisor) __d = divisor; \ 968 (((typeof(x))-1) > 0 || \ 969 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 970 (((__x) + ((__d) / 2)) / (__d)) : \ 971 (((__x) - ((__d) / 2)) / (__d)); \ 972 } \ 973 ) 974 975 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 976 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 977 978 /* 979 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 980 * is used to align DMA buffers. 981 */ 982 #ifndef __ASSEMBLY__ 983 #include <asm/cache.h> 984 #endif 985 986 /* 987 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 988 * stack that meets the minimum architecture alignment requirements for DMA. 989 * Such a buffer is useful for DMA operations where flushing and invalidating 990 * the cache before and after a read and/or write operation is required for 991 * correct operations. 992 * 993 * When called the macro creates an array on the stack that is sized such 994 * that: 995 * 996 * 1) The beginning of the array can be advanced enough to be aligned. 997 * 998 * 2) The size of the aligned portion of the array is a multiple of the minimum 999 * architecture alignment required for DMA. 1000 * 1001 * 3) The aligned portion contains enough space for the original number of 1002 * elements requested. 1003 * 1004 * The macro then creates a pointer to the aligned portion of this array and 1005 * assigns to the pointer the address of the first element in the aligned 1006 * portion of the array. 1007 * 1008 * Calling the macro as: 1009 * 1010 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1011 * 1012 * Will result in something similar to saying: 1013 * 1014 * uint32_t buffer[1024]; 1015 * 1016 * The following differences exist: 1017 * 1018 * 1) The resulting buffer is guaranteed to be aligned to the value of 1019 * ARCH_DMA_MINALIGN. 1020 * 1021 * 2) The buffer variable created by the macro is a pointer to the specified 1022 * type, and NOT an array of the specified type. This can be very important 1023 * if you want the address of the buffer, which you probably do, to pass it 1024 * to the DMA hardware. The value of &buffer is different in the two cases. 1025 * In the macro case it will be the address of the pointer, not the address 1026 * of the space reserved for the buffer. However, in the second case it 1027 * would be the address of the buffer. So if you are replacing hard coded 1028 * stack buffers with this macro you need to make sure you remove the & from 1029 * the locations where you are taking the address of the buffer. 1030 * 1031 * Note that the size parameter is the number of array elements to allocate, 1032 * not the number of bytes. 1033 * 1034 * This macro can not be used outside of function scope, or for the creation 1035 * of a function scoped static buffer. It can not be used to create a cache 1036 * line aligned global buffer. 1037 */ 1038 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1039 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1040 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1041 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1042 + (align - 1)]; \ 1043 \ 1044 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1045 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1046 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1047 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1048 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1049 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1050 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1051 1052 /* 1053 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1054 * purpose is to allow allocating aligned buffers outside of function scope. 1055 * Usage of this macro shall be avoided or used with extreme care! 1056 */ 1057 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1058 static char __##name[roundup(size * sizeof(type), align)] \ 1059 __aligned(align); \ 1060 \ 1061 static type *name = (type *)__##name 1062 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1063 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1064 1065 /* Pull in stuff for the build system */ 1066 #ifdef DO_DEPS_ONLY 1067 # include <environment.h> 1068 #endif 1069 1070 #endif /* __COMMON_H_ */ 1071