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 int readline (const char *const prompt); 290 int readline_into_buffer(const char *const prompt, char *buffer, 291 int timeout); 292 int parse_line (char *, char *[]); 293 void init_cmd_timeout(void); 294 void reset_cmd_timeout(void); 295 extern char console_buffer[]; 296 297 /* arch/$(ARCH)/lib/board.c */ 298 void board_init_f(ulong); 299 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 300 int checkboard (void); 301 int checkflash (void); 302 int checkdram (void); 303 int last_stage_init(void); 304 extern ulong monitor_flash_len; 305 int mac_read_from_eeprom(void); 306 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 307 int set_cpu_clk_info(void); 308 #if defined(CONFIG_DISPLAY_CPUINFO) 309 int print_cpuinfo(void); 310 #else 311 static inline int print_cpuinfo(void) 312 { 313 return 0; 314 } 315 #endif 316 int update_flash_size(int flash_size); 317 318 /** 319 * Show the DRAM size in a board-specific way 320 * 321 * This is used by boards to display DRAM information in their own way. 322 * 323 * @param size Size of DRAM (which should be displayed along with other info) 324 */ 325 void board_show_dram(ulong size); 326 327 /** 328 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 329 * 330 * Defined in arch/$(ARCH)/lib/bootm.c 331 * 332 * @blob: FDT blob to write to 333 * @return 0 if ok, or -ve FDT_ERR_... on failure 334 */ 335 int arch_fixup_memory_node(void *blob); 336 337 /* common/flash.c */ 338 void flash_perror (int); 339 340 /* common/cmd_source.c */ 341 int source (ulong addr, const char *fit_uname); 342 343 extern ulong load_addr; /* Default Load Address */ 344 extern ulong save_addr; /* Default Save Address */ 345 extern ulong save_size; /* Default Save Size */ 346 347 /* common/cmd_doc.c */ 348 void doc_probe(unsigned long physadr); 349 350 /* common/cmd_net.c */ 351 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 352 353 /* common/cmd_fat.c */ 354 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 355 356 /* common/cmd_ext2.c */ 357 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 358 359 /* common/cmd_nvedit.c */ 360 int env_init (void); 361 void env_relocate (void); 362 int envmatch (uchar *, int); 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 #ifdef CONFIG_RPXCLASSIC 503 void rpxclassic_init (void); 504 #endif 505 506 void rpxlite_init (void); 507 508 #ifdef CONFIG_MBX 509 /* $(BOARD)/mbx8xx.c */ 510 void mbx_init (void); 511 void board_serial_init (void); 512 void board_ether_init (void); 513 #endif 514 515 #ifdef CONFIG_HERMES 516 /* $(BOARD)/hermes.c */ 517 void hermes_start_lxt980 (int speed); 518 #endif 519 520 #ifdef CONFIG_EVB64260 521 void evb64260_init(void); 522 void debug_led(int, int); 523 void display_mem_map(void); 524 void perform_soft_reset(void); 525 #endif 526 527 /* $(BOARD)/$(BOARD).c */ 528 int board_early_init_f (void); 529 int board_late_init (void); 530 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 531 int board_early_init_r (void); 532 void board_poweroff (void); 533 534 #if defined(CONFIG_SYS_DRAM_TEST) 535 int testdram(void); 536 #endif /* CONFIG_SYS_DRAM_TEST */ 537 538 /* $(CPU)/start.S */ 539 #if defined(CONFIG_5xx) || \ 540 defined(CONFIG_8xx) 541 uint get_immr (uint); 542 #endif 543 uint get_pir (void); 544 #if defined(CONFIG_MPC5xxx) 545 uint get_svr (void); 546 #endif 547 uint get_pvr (void); 548 uint get_svr (void); 549 uint rd_ic_cst (void); 550 void wr_ic_cst (uint); 551 void wr_ic_adr (uint); 552 uint rd_dc_cst (void); 553 void wr_dc_cst (uint); 554 void wr_dc_adr (uint); 555 int icache_status (void); 556 void icache_enable (void); 557 void icache_disable(void); 558 int dcache_status (void); 559 void dcache_enable (void); 560 void dcache_disable(void); 561 void mmu_disable(void); 562 #if defined(CONFIG_ARM) 563 void relocate_code(ulong); 564 #else 565 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 566 #endif 567 ulong get_endaddr (void); 568 void trap_init (ulong); 569 #if defined (CONFIG_4xx) || \ 570 defined (CONFIG_MPC5xxx) || \ 571 defined (CONFIG_74xx_7xx) || \ 572 defined (CONFIG_74x) || \ 573 defined (CONFIG_75x) || \ 574 defined (CONFIG_74xx) || \ 575 defined (CONFIG_MPC85xx) || \ 576 defined (CONFIG_MPC86xx) || \ 577 defined (CONFIG_MPC83xx) 578 unsigned char in8(unsigned int); 579 void out8(unsigned int, unsigned char); 580 unsigned short in16(unsigned int); 581 unsigned short in16r(unsigned int); 582 void out16(unsigned int, unsigned short value); 583 void out16r(unsigned int, unsigned short value); 584 unsigned long in32(unsigned int); 585 unsigned long in32r(unsigned int); 586 void out32(unsigned int, unsigned long value); 587 void out32r(unsigned int, unsigned long value); 588 void ppcDcbf(unsigned long value); 589 void ppcDcbi(unsigned long value); 590 void ppcSync(void); 591 void ppcDcbz(unsigned long value); 592 #endif 593 #if defined (CONFIG_MICROBLAZE) 594 unsigned short in16(unsigned int); 595 void out16(unsigned int, unsigned short value); 596 #endif 597 598 #if defined (CONFIG_MPC83xx) 599 void ppcDWload(unsigned int *addr, unsigned int *ret); 600 void ppcDWstore(unsigned int *addr, unsigned int *value); 601 void disable_addr_trans(void); 602 void enable_addr_trans(void); 603 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 604 void ddr_enable_ecc(unsigned int dram_size); 605 #endif 606 #endif 607 608 /* 609 * Return the current value of a monotonically increasing microsecond timer. 610 * Granularity may be larger than 1us if hardware does not support this. 611 */ 612 ulong timer_get_us(void); 613 614 /* $(CPU)/cpu.c */ 615 static inline int cpumask_next(int cpu, unsigned int mask) 616 { 617 for (cpu++; !((1 << cpu) & mask); cpu++) 618 ; 619 620 return cpu; 621 } 622 623 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 624 for (iter = 0, cpu = cpumask_next(-1, mask); \ 625 iter < num_cpus; \ 626 iter++, cpu = cpumask_next(cpu, mask)) \ 627 628 int cpu_numcores (void); 629 u32 cpu_mask (void); 630 int is_core_valid (unsigned int); 631 int probecpu (void); 632 int checkcpu (void); 633 int checkicache (void); 634 int checkdcache (void); 635 void upmconfig (unsigned int, unsigned int *, unsigned int); 636 ulong get_tbclk (void); 637 void reset_cpu (ulong addr); 638 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 639 void ft_cpu_setup(void *blob, bd_t *bd); 640 #ifdef CONFIG_PCI 641 void ft_pci_setup(void *blob, bd_t *bd); 642 #endif 643 #endif 644 645 void smp_set_core_boot_addr(unsigned long addr, int corenr); 646 void smp_kick_all_cpus(void); 647 648 /* $(CPU)/serial.c */ 649 int serial_init (void); 650 void serial_setbrg (void); 651 void serial_putc (const char); 652 void serial_putc_raw(const char); 653 void serial_puts (const char *); 654 int serial_getc (void); 655 int serial_tstc (void); 656 657 void _serial_setbrg (const int); 658 void _serial_putc (const char, const int); 659 void _serial_putc_raw(const char, const int); 660 void _serial_puts (const char *, const int); 661 int _serial_getc (const int); 662 int _serial_tstc (const int); 663 664 /* $(CPU)/speed.c */ 665 int get_clocks (void); 666 int get_clocks_866 (void); 667 int sdram_adjust_866 (void); 668 int adjust_sdram_tbs_8xx (void); 669 #if defined(CONFIG_MPC8260) 670 int prt_8260_clks (void); 671 #elif defined(CONFIG_MPC5xxx) 672 int prt_mpc5xxx_clks (void); 673 #endif 674 #ifdef CONFIG_4xx 675 ulong get_OPB_freq (void); 676 ulong get_PCI_freq (void); 677 #endif 678 #if defined(CONFIG_S3C24X0) || \ 679 defined(CONFIG_LH7A40X) || \ 680 defined(CONFIG_EP93XX) 681 ulong get_FCLK (void); 682 ulong get_HCLK (void); 683 ulong get_PCLK (void); 684 ulong get_UCLK (void); 685 #endif 686 #if defined(CONFIG_LH7A40X) 687 ulong get_PLLCLK (void); 688 #endif 689 #if defined CONFIG_INCA_IP 690 uint incaip_get_cpuclk (void); 691 #endif 692 #if defined(CONFIG_IMX) 693 ulong get_systemPLLCLK(void); 694 ulong get_FCLK(void); 695 ulong get_HCLK(void); 696 ulong get_BCLK(void); 697 ulong get_PERCLK1(void); 698 ulong get_PERCLK2(void); 699 ulong get_PERCLK3(void); 700 #endif 701 ulong get_bus_freq (ulong); 702 int get_serial_clock(void); 703 704 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 705 ulong get_ddr_freq(ulong); 706 #endif 707 #if defined(CONFIG_MPC85xx) 708 typedef MPC85xx_SYS_INFO sys_info_t; 709 void get_sys_info ( sys_info_t * ); 710 # if defined(CONFIG_OF_LIBFDT) 711 void ft_fixup_cpu(void *, u64); 712 void ft_fixup_num_cores(void *); 713 # endif 714 #endif 715 #if defined(CONFIG_MPC86xx) 716 typedef MPC86xx_SYS_INFO sys_info_t; 717 void get_sys_info ( sys_info_t * ); 718 static inline ulong get_ddr_freq(ulong dummy) 719 { 720 return get_bus_freq(dummy); 721 } 722 #endif 723 724 #if defined(CONFIG_4xx) 725 # if defined(CONFIG_440) 726 # if defined(CONFIG_440SPE) 727 unsigned long determine_sysper(void); 728 unsigned long determine_pci_clock_per(void); 729 # endif 730 # endif 731 typedef PPC4xx_SYS_INFO sys_info_t; 732 int ppc440spe_revB(void); 733 void get_sys_info ( sys_info_t * ); 734 #endif 735 736 /* $(CPU)/cpu_init.c */ 737 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 738 void cpu_init_f (volatile immap_t *immr); 739 #endif 740 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 741 void cpu_init_f (void); 742 #endif 743 744 int cpu_init_r (void); 745 #if defined(CONFIG_MPC8260) 746 int prt_8260_rsr (void); 747 #elif defined(CONFIG_MPC83xx) 748 int prt_83xx_rsr (void); 749 #endif 750 751 /* $(CPU)/interrupts.c */ 752 int interrupt_init (void); 753 void timer_interrupt (struct pt_regs *); 754 void external_interrupt (struct pt_regs *); 755 void irq_install_handler(int, interrupt_handler_t *, void *); 756 void irq_free_handler (int); 757 void reset_timer (void); 758 ulong get_timer (ulong base); 759 760 /* Return value of monotonic microsecond timer */ 761 unsigned long timer_get_us(void); 762 763 void enable_interrupts (void); 764 int disable_interrupts (void); 765 766 /* $(CPU)/.../commproc.c */ 767 int dpram_init (void); 768 uint dpram_base(void); 769 uint dpram_base_align(uint align); 770 uint dpram_alloc(uint size); 771 uint dpram_alloc_align(uint size,uint align); 772 void bootcount_store (ulong); 773 ulong bootcount_load (void); 774 #define BOOTCOUNT_MAGIC 0xB001C041 775 776 /* $(CPU)/.../<eth> */ 777 void mii_init (void); 778 779 /* $(CPU)/.../lcd.c */ 780 ulong lcd_setmem (ulong); 781 782 /* $(CPU)/.../video.c */ 783 ulong video_setmem (ulong); 784 785 /* arch/$(ARCH)/lib/cache.c */ 786 void enable_caches(void); 787 void flush_cache (unsigned long, unsigned long); 788 void flush_dcache_all(void); 789 void flush_dcache_range(unsigned long start, unsigned long stop); 790 void invalidate_dcache_range(unsigned long start, unsigned long stop); 791 void invalidate_dcache_all(void); 792 void invalidate_icache_all(void); 793 794 /* arch/$(ARCH)/lib/ticks.S */ 795 unsigned long long get_ticks(void); 796 void wait_ticks (unsigned long); 797 798 /* arch/$(ARCH)/lib/time.c */ 799 void __udelay (unsigned long); 800 ulong usec2ticks (unsigned long usec); 801 ulong ticks2usec (unsigned long ticks); 802 int init_timebase (void); 803 804 /* lib/gunzip.c */ 805 int gunzip(void *, int, unsigned char *, unsigned long *); 806 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 807 int stoponerr, int offset); 808 809 /* lib/qsort.c */ 810 void qsort(void *base, size_t nmemb, size_t size, 811 int(*compar)(const void *, const void *)); 812 int strcmp_compar(const void *, const void *); 813 814 /* lib/time.c */ 815 void udelay (unsigned long); 816 void mdelay(unsigned long); 817 818 /* lib/uuid.c */ 819 void uuid_str_to_bin(const char *uuid, unsigned char *out); 820 int uuid_str_valid(const char *uuid); 821 822 /* lib/vsprintf.c */ 823 #include <vsprintf.h> 824 825 /* lib/strmhz.c */ 826 char * strmhz(char *buf, unsigned long hz); 827 828 /* lib/crc32.c */ 829 #include <u-boot/crc.h> 830 831 /* lib/rand.c */ 832 #if defined(CONFIG_RANDOM_MACADDR) || \ 833 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 834 defined(CONFIG_CMD_LINK_LOCAL) 835 #define RAND_MAX -1U 836 void srand(unsigned int seed); 837 unsigned int rand(void); 838 unsigned int rand_r(unsigned int *seedp); 839 #endif 840 841 /* common/console.c */ 842 int console_init_f(void); /* Before relocation; uses the serial stuff */ 843 int console_init_r(void); /* After relocation; uses the console stuff */ 844 int console_assign(int file, const char *devname); /* Assign the console */ 845 int ctrlc (void); 846 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 847 void clear_ctrlc (void); /* clear the Control-C condition */ 848 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 849 850 /* 851 * STDIO based functions (can always be used) 852 */ 853 /* serial stuff */ 854 int serial_printf (const char *fmt, ...) 855 __attribute__ ((format (__printf__, 1, 2))); 856 /* stdin */ 857 int getc(void); 858 int tstc(void); 859 860 /* stdout */ 861 void putc(const char c); 862 void puts(const char *s); 863 int printf(const char *fmt, ...) 864 __attribute__ ((format (__printf__, 1, 2))); 865 int vprintf(const char *fmt, va_list args); 866 867 /* stderr */ 868 #define eputc(c) fputc(stderr, c) 869 #define eputs(s) fputs(stderr, s) 870 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 871 872 /* 873 * FILE based functions (can only be used AFTER relocation!) 874 */ 875 #define stdin 0 876 #define stdout 1 877 #define stderr 2 878 #define MAX_FILES 3 879 880 int fprintf(int file, const char *fmt, ...) 881 __attribute__ ((format (__printf__, 2, 3))); 882 void fputs(int file, const char *s); 883 void fputc(int file, const char c); 884 int ftstc(int file); 885 int fgetc(int file); 886 887 /* lib/gzip.c */ 888 int gzip(void *dst, unsigned long *lenp, 889 unsigned char *src, unsigned long srclen); 890 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 891 unsigned long srclen, int stoponerr, 892 int (*func)(unsigned long, unsigned long)); 893 894 /* lib/net_utils.c */ 895 #include <net.h> 896 static inline IPaddr_t getenv_IPaddr(char *var) 897 { 898 return string_to_ip(getenv(var)); 899 } 900 901 /* 902 * CONSOLE multiplexing. 903 */ 904 #ifdef CONFIG_CONSOLE_MUX 905 #include <iomux.h> 906 #endif 907 908 int pcmcia_init (void); 909 910 #ifdef CONFIG_STATUS_LED 911 # include <status_led.h> 912 #endif 913 914 #include <bootstage.h> 915 916 #ifdef CONFIG_SHOW_ACTIVITY 917 void show_activity(int arg); 918 #endif 919 920 /* Multicore arch functions */ 921 #ifdef CONFIG_MP 922 int cpu_status(int nr); 923 int cpu_reset(int nr); 924 int cpu_disable(int nr); 925 int cpu_release(int nr, int argc, char * const argv[]); 926 #endif 927 928 /* Define a null map_sysmem() if the architecture doesn't use it */ 929 # ifndef CONFIG_ARCH_MAP_SYSMEM 930 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 931 { 932 return (void *)(uintptr_t)paddr; 933 } 934 935 static inline void unmap_sysmem(const void *vaddr) 936 { 937 } 938 939 static inline phys_addr_t map_to_sysmem(const void *ptr) 940 { 941 return (phys_addr_t)(uintptr_t)ptr; 942 } 943 # endif 944 945 #endif /* __ASSEMBLY__ */ 946 947 #ifdef CONFIG_PPC 948 /* 949 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 950 * Otherwise might lead to compilation errors in assembler files. 951 */ 952 #include <asm/cache.h> 953 #endif 954 955 /* Put only stuff here that the assembler can digest */ 956 957 #ifdef CONFIG_POST 958 #define CONFIG_HAS_POST 959 #ifndef CONFIG_POST_ALT_LIST 960 #define CONFIG_POST_STD_LIST 961 #endif 962 #endif 963 964 #ifdef CONFIG_INIT_CRITICAL 965 #error CONFIG_INIT_CRITICAL is deprecated! 966 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 967 #endif 968 969 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 970 971 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 972 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 973 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 974 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 975 976 /* 977 * Divide positive or negative dividend by positive divisor and round 978 * to closest integer. Result is undefined for negative divisors and 979 * for negative dividends if the divisor variable type is unsigned. 980 */ 981 #define DIV_ROUND_CLOSEST(x, divisor)( \ 982 { \ 983 typeof(x) __x = x; \ 984 typeof(divisor) __d = divisor; \ 985 (((typeof(x))-1) > 0 || \ 986 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 987 (((__x) + ((__d) / 2)) / (__d)) : \ 988 (((__x) - ((__d) / 2)) / (__d)); \ 989 } \ 990 ) 991 992 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 993 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 994 995 /* 996 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 997 * is used to align DMA buffers. 998 */ 999 #ifndef __ASSEMBLY__ 1000 #include <asm/cache.h> 1001 #endif 1002 1003 /* 1004 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 1005 * stack that meets the minimum architecture alignment requirements for DMA. 1006 * Such a buffer is useful for DMA operations where flushing and invalidating 1007 * the cache before and after a read and/or write operation is required for 1008 * correct operations. 1009 * 1010 * When called the macro creates an array on the stack that is sized such 1011 * that: 1012 * 1013 * 1) The beginning of the array can be advanced enough to be aligned. 1014 * 1015 * 2) The size of the aligned portion of the array is a multiple of the minimum 1016 * architecture alignment required for DMA. 1017 * 1018 * 3) The aligned portion contains enough space for the original number of 1019 * elements requested. 1020 * 1021 * The macro then creates a pointer to the aligned portion of this array and 1022 * assigns to the pointer the address of the first element in the aligned 1023 * portion of the array. 1024 * 1025 * Calling the macro as: 1026 * 1027 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1028 * 1029 * Will result in something similar to saying: 1030 * 1031 * uint32_t buffer[1024]; 1032 * 1033 * The following differences exist: 1034 * 1035 * 1) The resulting buffer is guaranteed to be aligned to the value of 1036 * ARCH_DMA_MINALIGN. 1037 * 1038 * 2) The buffer variable created by the macro is a pointer to the specified 1039 * type, and NOT an array of the specified type. This can be very important 1040 * if you want the address of the buffer, which you probably do, to pass it 1041 * to the DMA hardware. The value of &buffer is different in the two cases. 1042 * In the macro case it will be the address of the pointer, not the address 1043 * of the space reserved for the buffer. However, in the second case it 1044 * would be the address of the buffer. So if you are replacing hard coded 1045 * stack buffers with this macro you need to make sure you remove the & from 1046 * the locations where you are taking the address of the buffer. 1047 * 1048 * Note that the size parameter is the number of array elements to allocate, 1049 * not the number of bytes. 1050 * 1051 * This macro can not be used outside of function scope, or for the creation 1052 * of a function scoped static buffer. It can not be used to create a cache 1053 * line aligned global buffer. 1054 */ 1055 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1056 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1057 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1058 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1059 + (align - 1)]; \ 1060 \ 1061 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1062 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1063 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1064 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1065 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1066 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1067 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1068 1069 /* 1070 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1071 * purpose is to allow allocating aligned buffers outside of function scope. 1072 * Usage of this macro shall be avoided or used with extreme care! 1073 */ 1074 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1075 static char __##name[roundup(size * sizeof(type), align)] \ 1076 __aligned(align); \ 1077 \ 1078 static type *name = (type *)__##name 1079 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1080 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1081 1082 /* Pull in stuff for the build system */ 1083 #ifdef DO_DEPS_ONLY 1084 # include <environment.h> 1085 #endif 1086 1087 #endif /* __COMMON_H_ */ 1088