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_8260) 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 #if defined(CONFIG_MPC8272_FAMILY) 63 #define CONFIG_MPC8260 1 64 #endif 65 #include <asm/immap_8260.h> 66 #endif 67 #ifdef CONFIG_MPC86xx 68 #include <mpc86xx.h> 69 #include <asm/immap_86xx.h> 70 #endif 71 #ifdef CONFIG_MPC85xx 72 #include <mpc85xx.h> 73 #include <asm/immap_85xx.h> 74 #endif 75 #ifdef CONFIG_MPC83xx 76 #include <mpc83xx.h> 77 #include <asm/immap_83xx.h> 78 #endif 79 #ifdef CONFIG_4xx 80 #include <asm/ppc4xx.h> 81 #endif 82 #ifdef CONFIG_HYMOD 83 #include <board/hymod/hymod.h> 84 #endif 85 #ifdef CONFIG_ARM 86 #define asmlinkage /* nothing */ 87 #endif 88 #ifdef CONFIG_BLACKFIN 89 #include <asm/blackfin.h> 90 #endif 91 #ifdef CONFIG_SOC_DA8XX 92 #include <asm/arch/hardware.h> 93 #endif 94 95 #include <part.h> 96 #include <flash.h> 97 #include <image.h> 98 99 #ifdef DEBUG 100 #define _DEBUG 1 101 #else 102 #define _DEBUG 0 103 #endif 104 105 /* 106 * Output a debug text when condition "cond" is met. The "cond" should be 107 * computed by a preprocessor in the best case, allowing for the best 108 * optimization. 109 */ 110 #define debug_cond(cond, fmt, args...) \ 111 do { \ 112 if (cond) \ 113 printf(fmt, ##args); \ 114 } while (0) 115 116 #define debug(fmt, args...) \ 117 debug_cond(_DEBUG, fmt, ##args) 118 119 /* 120 * An assertion is run-time check done in debug mode only. If DEBUG is not 121 * defined then it is skipped. If DEBUG is defined and the assertion fails, 122 * then it calls panic*( which may or may not reset/halt U-Boot (see 123 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 124 * before release, and after release it is hoped that they don't matter. But 125 * in any case these failing assertions cannot be fixed with a reset (which 126 * may just do the same assertion again). 127 */ 128 void __assert_fail(const char *assertion, const char *file, unsigned line, 129 const char *function); 130 #define assert(x) \ 131 ({ if (!(x) && _DEBUG) \ 132 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 133 134 #define error(fmt, args...) do { \ 135 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 136 ##args, __FILE__, __LINE__, __func__); \ 137 } while (0) 138 139 #ifndef BUG 140 #define BUG() do { \ 141 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 142 panic("BUG!"); \ 143 } while (0) 144 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 145 #endif /* BUG */ 146 147 /* Force a compilation error if condition is true */ 148 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 149 150 typedef void (interrupt_handler_t)(void *); 151 152 #include <asm/u-boot.h> /* boot information for Linux kernel */ 153 #include <asm/global_data.h> /* global data used for startup functions */ 154 155 /* 156 * enable common handling for all TQM8xxL/M boards: 157 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 158 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 159 * and for the TQM885D board 160 */ 161 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 162 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 163 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 164 # ifndef CONFIG_TQM8xxM 165 # define CONFIG_TQM8xxM 166 # endif 167 #endif 168 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 169 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 170 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 171 defined(CONFIG_TQM885D) 172 # ifndef CONFIG_TQM8xxL 173 # define CONFIG_TQM8xxL 174 # endif 175 #endif 176 177 /* 178 * General Purpose Utilities 179 */ 180 #define min(X, Y) \ 181 ({ typeof(X) __x = (X); \ 182 typeof(Y) __y = (Y); \ 183 (__x < __y) ? __x : __y; }) 184 185 #define max(X, Y) \ 186 ({ typeof(X) __x = (X); \ 187 typeof(Y) __y = (Y); \ 188 (__x > __y) ? __x : __y; }) 189 190 #define MIN(x, y) min(x, y) 191 #define MAX(x, y) max(x, y) 192 193 #define min3(X, Y, Z) \ 194 ({ typeof(X) __x = (X); \ 195 typeof(Y) __y = (Y); \ 196 typeof(Z) __z = (Z); \ 197 __x < __y ? (__x < __z ? __x : __z) : \ 198 (__y < __z ? __y : __z); }) 199 200 #define max3(X, Y, Z) \ 201 ({ typeof(X) __x = (X); \ 202 typeof(Y) __y = (Y); \ 203 typeof(Z) __z = (Z); \ 204 __x > __y ? (__x > __z ? __x : __z) : \ 205 (__y > __z ? __y : __z); }) 206 207 #define MIN3(x, y, z) min3(x, y, z) 208 #define MAX3(x, y, z) max3(x, y, z) 209 210 /* 211 * Return the absolute value of a number. 212 * 213 * This handles unsigned and signed longs, ints, shorts and chars. For all 214 * input types abs() returns a signed long. 215 * 216 * For 64-bit types, use abs64() 217 */ 218 #define abs(x) ({ \ 219 long ret; \ 220 if (sizeof(x) == sizeof(long)) { \ 221 long __x = (x); \ 222 ret = (__x < 0) ? -__x : __x; \ 223 } else { \ 224 int __x = (x); \ 225 ret = (__x < 0) ? -__x : __x; \ 226 } \ 227 ret; \ 228 }) 229 230 #define abs64(x) ({ \ 231 s64 __x = (x); \ 232 (__x < 0) ? -__x : __x; \ 233 }) 234 235 #if defined(CONFIG_ENV_IS_EMBEDDED) 236 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 237 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 238 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 239 defined(CONFIG_ENV_IS_IN_NVRAM) 240 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 241 #else 242 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 243 #endif 244 245 /** 246 * container_of - cast a member of a structure out to the containing structure 247 * @ptr: the pointer to the member. 248 * @type: the type of the container struct this is embedded in. 249 * @member: the name of the member within the struct. 250 * 251 */ 252 #define container_of(ptr, type, member) ({ \ 253 const typeof( ((type *)0)->member ) *__mptr = (ptr); \ 254 (type *)( (char *)__mptr - offsetof(type,member) );}) 255 256 /* 257 * Function Prototypes 258 */ 259 260 void hang (void) __attribute__ ((noreturn)); 261 262 int timer_init(void); 263 int cpu_init(void); 264 265 /* */ 266 phys_size_t initdram (int); 267 int display_options (void); 268 void print_size(unsigned long long, const char *); 269 int print_buffer(ulong addr, const void *data, uint width, uint count, 270 uint linelen); 271 272 /* common/main.c */ 273 void main_loop (void); 274 int run_command(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 int readline (const char *const prompt); 289 int readline_into_buffer(const char *const prompt, char *buffer, 290 int timeout); 291 int parse_line (char *, char *[]); 292 void init_cmd_timeout(void); 293 void reset_cmd_timeout(void); 294 extern char console_buffer[]; 295 296 /* arch/$(ARCH)/lib/board.c */ 297 void board_init_f(ulong); 298 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 299 int checkboard (void); 300 int checkflash (void); 301 int checkdram (void); 302 int last_stage_init(void); 303 extern ulong monitor_flash_len; 304 int mac_read_from_eeprom(void); 305 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 306 int set_cpu_clk_info(void); 307 #if defined(CONFIG_DISPLAY_CPUINFO) 308 int print_cpuinfo(void); 309 #else 310 static inline int print_cpuinfo(void) 311 { 312 return 0; 313 } 314 #endif 315 int update_flash_size(int flash_size); 316 317 /** 318 * Show the DRAM size in a board-specific way 319 * 320 * This is used by boards to display DRAM information in their own way. 321 * 322 * @param size Size of DRAM (which should be displayed along with other info) 323 */ 324 void board_show_dram(ulong size); 325 326 /** 327 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 328 * 329 * Defined in arch/$(ARCH)/lib/bootm.c 330 * 331 * @blob: FDT blob to write to 332 * @return 0 if ok, or -ve FDT_ERR_... on failure 333 */ 334 int arch_fixup_memory_node(void *blob); 335 336 /* common/flash.c */ 337 void flash_perror (int); 338 339 /* common/cmd_source.c */ 340 int source (ulong addr, const char *fit_uname); 341 342 extern ulong load_addr; /* Default Load Address */ 343 extern ulong save_addr; /* Default Save Address */ 344 extern ulong save_size; /* Default Save Size */ 345 346 /* common/cmd_doc.c */ 347 void doc_probe(unsigned long physadr); 348 349 /* common/cmd_net.c */ 350 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 351 352 /* common/cmd_fat.c */ 353 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 354 355 /* common/cmd_ext2.c */ 356 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 357 358 /* common/cmd_nvedit.c */ 359 int env_init (void); 360 void env_relocate (void); 361 int envmatch (uchar *, int); 362 char *getenv (const char *); 363 int getenv_f (const char *name, char *buf, unsigned len); 364 ulong getenv_ulong(const char *name, int base, ulong default_val); 365 366 /** 367 * getenv_hex() - Return an environment variable as a hex value 368 * 369 * Decode an environment as a hex number (it may or may not have a 0x 370 * prefix). If the environment variable cannot be found, or does not start 371 * with hex digits, the default value is returned. 372 * 373 * @varname: Variable to decode 374 * @default_val: Value to return on error 375 */ 376 ulong getenv_hex(const char *varname, ulong default_val); 377 378 /* 379 * Read an environment variable as a boolean 380 * Return -1 if variable does not exist (default to true) 381 */ 382 int getenv_yesno(const char *var); 383 int saveenv (void); 384 int setenv (const char *, const char *); 385 int setenv_ulong(const char *varname, ulong value); 386 int setenv_hex(const char *varname, ulong value); 387 /** 388 * setenv_addr - Set an environment variable to an address in hex 389 * 390 * @varname: Environment variable to set 391 * @addr: Value to set it to 392 * @return 0 if ok, 1 on error 393 */ 394 static inline int setenv_addr(const char *varname, const void *addr) 395 { 396 return setenv_hex(varname, (ulong)addr); 397 } 398 399 #ifdef CONFIG_ARM 400 # include <asm/mach-types.h> 401 # include <asm/setup.h> 402 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 403 #endif /* CONFIG_ARM */ 404 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 405 # include <asm/u-boot-x86.h> 406 #endif /* CONFIG_X86 */ 407 #ifdef CONFIG_SANDBOX 408 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 409 #endif 410 #ifdef CONFIG_NDS32 411 # include <asm/mach-types.h> 412 # include <asm/setup.h> 413 # include <asm/u-boot-nds32.h> 414 #endif /* CONFIG_NDS32 */ 415 #ifdef CONFIG_MIPS 416 # include <asm/u-boot-mips.h> 417 #endif /* CONFIG_MIPS */ 418 #ifdef CONFIG_ARC 419 # include <asm/u-boot-arc.h> 420 #endif /* CONFIG_ARC */ 421 422 #ifdef CONFIG_AUTO_COMPLETE 423 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 424 #endif 425 int get_env_id (void); 426 427 void pci_init (void); 428 void pci_init_board(void); 429 void pciinfo (int, int); 430 431 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 432 int pci_pre_init (struct pci_controller *); 433 int is_pci_host (struct pci_controller *); 434 #endif 435 436 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 437 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 438 void pci_target_init (struct pci_controller *); 439 # endif 440 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 441 void pci_master_init (struct pci_controller *); 442 # endif 443 #if defined(CONFIG_440SPE) || \ 444 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 445 defined(CONFIG_405EX) 446 void pcie_setup_hoses(int busno); 447 #endif 448 #endif 449 450 int misc_init_f (void); 451 int misc_init_r (void); 452 453 /* common/exports.c */ 454 void jumptable_init(void); 455 456 /* common/kallsysm.c */ 457 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 458 459 /* api/api.c */ 460 void api_init (void); 461 462 /* common/memsize.c */ 463 long get_ram_size (long *, long); 464 465 /* $(BOARD)/$(BOARD).c */ 466 void reset_phy (void); 467 void fdc_hw_init (void); 468 469 /* $(BOARD)/eeprom.c */ 470 void eeprom_init (void); 471 #ifndef CONFIG_SPI 472 int eeprom_probe (unsigned dev_addr, unsigned offset); 473 #endif 474 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 475 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 476 #ifdef CONFIG_LWMON 477 extern uchar pic_read (uchar reg); 478 extern void pic_write (uchar reg, uchar val); 479 #endif 480 481 /* 482 * Set this up regardless of board 483 * type, to prevent errors. 484 */ 485 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 486 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 487 #else 488 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 489 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 490 #endif 491 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 492 493 #if defined(CONFIG_SPI) 494 extern void spi_init_f (void); 495 extern void spi_init_r (void); 496 extern ssize_t spi_read (uchar *, int, uchar *, int); 497 extern ssize_t spi_write (uchar *, int, uchar *, int); 498 #endif 499 500 #ifdef CONFIG_RPXCLASSIC 501 void rpxclassic_init (void); 502 #endif 503 504 void rpxlite_init (void); 505 506 #ifdef CONFIG_MBX 507 /* $(BOARD)/mbx8xx.c */ 508 void mbx_init (void); 509 void board_serial_init (void); 510 void board_ether_init (void); 511 #endif 512 513 #ifdef CONFIG_HERMES 514 /* $(BOARD)/hermes.c */ 515 void hermes_start_lxt980 (int speed); 516 #endif 517 518 #ifdef CONFIG_EVB64260 519 void evb64260_init(void); 520 void debug_led(int, int); 521 void display_mem_map(void); 522 void perform_soft_reset(void); 523 #endif 524 525 /* $(BOARD)/$(BOARD).c */ 526 int board_early_init_f (void); 527 int board_late_init (void); 528 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 529 int board_early_init_r (void); 530 void board_poweroff (void); 531 532 #if defined(CONFIG_SYS_DRAM_TEST) 533 int testdram(void); 534 #endif /* CONFIG_SYS_DRAM_TEST */ 535 536 /* $(CPU)/start.S */ 537 #if defined(CONFIG_5xx) || \ 538 defined(CONFIG_8xx) 539 uint get_immr (uint); 540 #endif 541 uint get_pir (void); 542 #if defined(CONFIG_MPC5xxx) 543 uint get_svr (void); 544 #endif 545 uint get_pvr (void); 546 uint get_svr (void); 547 uint rd_ic_cst (void); 548 void wr_ic_cst (uint); 549 void wr_ic_adr (uint); 550 uint rd_dc_cst (void); 551 void wr_dc_cst (uint); 552 void wr_dc_adr (uint); 553 int icache_status (void); 554 void icache_enable (void); 555 void icache_disable(void); 556 int dcache_status (void); 557 void dcache_enable (void); 558 void dcache_disable(void); 559 void mmu_disable(void); 560 #if defined(CONFIG_ARM) 561 void relocate_code(ulong); 562 #else 563 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 564 #endif 565 ulong get_endaddr (void); 566 void trap_init (ulong); 567 #if defined (CONFIG_4xx) || \ 568 defined (CONFIG_MPC5xxx) || \ 569 defined (CONFIG_74xx_7xx) || \ 570 defined (CONFIG_74x) || \ 571 defined (CONFIG_75x) || \ 572 defined (CONFIG_74xx) || \ 573 defined (CONFIG_MPC85xx) || \ 574 defined (CONFIG_MPC86xx) || \ 575 defined (CONFIG_MPC83xx) 576 unsigned char in8(unsigned int); 577 void out8(unsigned int, unsigned char); 578 unsigned short in16(unsigned int); 579 unsigned short in16r(unsigned int); 580 void out16(unsigned int, unsigned short value); 581 void out16r(unsigned int, unsigned short value); 582 unsigned long in32(unsigned int); 583 unsigned long in32r(unsigned int); 584 void out32(unsigned int, unsigned long value); 585 void out32r(unsigned int, unsigned long value); 586 void ppcDcbf(unsigned long value); 587 void ppcDcbi(unsigned long value); 588 void ppcSync(void); 589 void ppcDcbz(unsigned long value); 590 #endif 591 #if defined (CONFIG_MICROBLAZE) 592 unsigned short in16(unsigned int); 593 void out16(unsigned int, unsigned short value); 594 #endif 595 596 #if defined (CONFIG_MPC83xx) 597 void ppcDWload(unsigned int *addr, unsigned int *ret); 598 void ppcDWstore(unsigned int *addr, unsigned int *value); 599 void disable_addr_trans(void); 600 void enable_addr_trans(void); 601 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 602 void ddr_enable_ecc(unsigned int dram_size); 603 #endif 604 #endif 605 606 /* 607 * Return the current value of a monotonically increasing microsecond timer. 608 * Granularity may be larger than 1us if hardware does not support this. 609 */ 610 ulong timer_get_us(void); 611 612 /* $(CPU)/cpu.c */ 613 static inline int cpumask_next(int cpu, unsigned int mask) 614 { 615 for (cpu++; !((1 << cpu) & mask); cpu++) 616 ; 617 618 return cpu; 619 } 620 621 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 622 for (iter = 0, cpu = cpumask_next(-1, mask); \ 623 iter < num_cpus; \ 624 iter++, cpu = cpumask_next(cpu, mask)) \ 625 626 int cpu_numcores (void); 627 u32 cpu_mask (void); 628 int is_core_valid (unsigned int); 629 int probecpu (void); 630 int checkcpu (void); 631 int checkicache (void); 632 int checkdcache (void); 633 void upmconfig (unsigned int, unsigned int *, unsigned int); 634 ulong get_tbclk (void); 635 void reset_cpu (ulong addr); 636 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 637 void ft_cpu_setup(void *blob, bd_t *bd); 638 #ifdef CONFIG_PCI 639 void ft_pci_setup(void *blob, bd_t *bd); 640 #endif 641 #endif 642 643 void smp_set_core_boot_addr(unsigned long addr, int corenr); 644 void smp_kick_all_cpus(void); 645 646 /* $(CPU)/serial.c */ 647 int serial_init (void); 648 void serial_setbrg (void); 649 void serial_putc (const char); 650 void serial_putc_raw(const char); 651 void serial_puts (const char *); 652 int serial_getc (void); 653 int serial_tstc (void); 654 655 void _serial_setbrg (const int); 656 void _serial_putc (const char, const int); 657 void _serial_putc_raw(const char, const int); 658 void _serial_puts (const char *, const int); 659 int _serial_getc (const int); 660 int _serial_tstc (const int); 661 662 /* $(CPU)/speed.c */ 663 int get_clocks (void); 664 int get_clocks_866 (void); 665 int sdram_adjust_866 (void); 666 int adjust_sdram_tbs_8xx (void); 667 #if defined(CONFIG_8260) 668 int prt_8260_clks (void); 669 #elif defined(CONFIG_MPC5xxx) 670 int prt_mpc5xxx_clks (void); 671 #endif 672 #ifdef CONFIG_4xx 673 ulong get_OPB_freq (void); 674 ulong get_PCI_freq (void); 675 #endif 676 #if defined(CONFIG_S3C24X0) || \ 677 defined(CONFIG_LH7A40X) || \ 678 defined(CONFIG_EP93XX) 679 ulong get_FCLK (void); 680 ulong get_HCLK (void); 681 ulong get_PCLK (void); 682 ulong get_UCLK (void); 683 #endif 684 #if defined(CONFIG_LH7A40X) 685 ulong get_PLLCLK (void); 686 #endif 687 #if defined CONFIG_INCA_IP 688 uint incaip_get_cpuclk (void); 689 #endif 690 #if defined(CONFIG_IMX) 691 ulong get_systemPLLCLK(void); 692 ulong get_FCLK(void); 693 ulong get_HCLK(void); 694 ulong get_BCLK(void); 695 ulong get_PERCLK1(void); 696 ulong get_PERCLK2(void); 697 ulong get_PERCLK3(void); 698 #endif 699 ulong get_bus_freq (ulong); 700 int get_serial_clock(void); 701 702 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 703 ulong get_ddr_freq(ulong); 704 #endif 705 #if defined(CONFIG_MPC85xx) 706 typedef MPC85xx_SYS_INFO sys_info_t; 707 void get_sys_info ( sys_info_t * ); 708 # if defined(CONFIG_OF_LIBFDT) 709 void ft_fixup_cpu(void *, u64); 710 void ft_fixup_num_cores(void *); 711 # endif 712 #endif 713 #if defined(CONFIG_MPC86xx) 714 typedef MPC86xx_SYS_INFO sys_info_t; 715 void get_sys_info ( sys_info_t * ); 716 static inline ulong get_ddr_freq(ulong dummy) 717 { 718 return get_bus_freq(dummy); 719 } 720 #endif 721 722 #if defined(CONFIG_4xx) 723 # if defined(CONFIG_440) 724 # if defined(CONFIG_440SPE) 725 unsigned long determine_sysper(void); 726 unsigned long determine_pci_clock_per(void); 727 # endif 728 # endif 729 typedef PPC4xx_SYS_INFO sys_info_t; 730 int ppc440spe_revB(void); 731 void get_sys_info ( sys_info_t * ); 732 #endif 733 734 /* $(CPU)/cpu_init.c */ 735 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 736 void cpu_init_f (volatile immap_t *immr); 737 #endif 738 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 739 void cpu_init_f (void); 740 #endif 741 742 int cpu_init_r (void); 743 #if defined(CONFIG_8260) 744 int prt_8260_rsr (void); 745 #elif defined(CONFIG_MPC83xx) 746 int prt_83xx_rsr (void); 747 #endif 748 749 /* $(CPU)/interrupts.c */ 750 int interrupt_init (void); 751 void timer_interrupt (struct pt_regs *); 752 void external_interrupt (struct pt_regs *); 753 void irq_install_handler(int, interrupt_handler_t *, void *); 754 void irq_free_handler (int); 755 void reset_timer (void); 756 ulong get_timer (ulong base); 757 758 /* Return value of monotonic microsecond timer */ 759 unsigned long timer_get_us(void); 760 761 void enable_interrupts (void); 762 int disable_interrupts (void); 763 764 /* $(CPU)/.../commproc.c */ 765 int dpram_init (void); 766 uint dpram_base(void); 767 uint dpram_base_align(uint align); 768 uint dpram_alloc(uint size); 769 uint dpram_alloc_align(uint size,uint align); 770 void bootcount_store (ulong); 771 ulong bootcount_load (void); 772 #define BOOTCOUNT_MAGIC 0xB001C041 773 774 /* $(CPU)/.../<eth> */ 775 void mii_init (void); 776 777 /* $(CPU)/.../lcd.c */ 778 ulong lcd_setmem (ulong); 779 780 /* $(CPU)/.../video.c */ 781 ulong video_setmem (ulong); 782 783 /* arch/$(ARCH)/lib/cache.c */ 784 void enable_caches(void); 785 void flush_cache (unsigned long, unsigned long); 786 void flush_dcache_all(void); 787 void flush_dcache_range(unsigned long start, unsigned long stop); 788 void invalidate_dcache_range(unsigned long start, unsigned long stop); 789 void invalidate_dcache_all(void); 790 void invalidate_icache_all(void); 791 792 /* arch/$(ARCH)/lib/ticks.S */ 793 unsigned long long get_ticks(void); 794 void wait_ticks (unsigned long); 795 796 /* arch/$(ARCH)/lib/time.c */ 797 void __udelay (unsigned long); 798 ulong usec2ticks (unsigned long usec); 799 ulong ticks2usec (unsigned long ticks); 800 int init_timebase (void); 801 802 /* lib/gunzip.c */ 803 int gunzip(void *, int, unsigned char *, unsigned long *); 804 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 805 int stoponerr, int offset); 806 807 /* lib/qsort.c */ 808 void qsort(void *base, size_t nmemb, size_t size, 809 int(*compar)(const void *, const void *)); 810 int strcmp_compar(const void *, const void *); 811 812 /* lib/time.c */ 813 void udelay (unsigned long); 814 void mdelay(unsigned long); 815 816 /* lib/uuid.c */ 817 void uuid_str_to_bin(const char *uuid, unsigned char *out); 818 int uuid_str_valid(const char *uuid); 819 820 /* lib/vsprintf.c */ 821 #include <vsprintf.h> 822 823 /* lib/strmhz.c */ 824 char * strmhz(char *buf, unsigned long hz); 825 826 /* lib/crc32.c */ 827 #include <u-boot/crc.h> 828 829 /* lib/rand.c */ 830 #if defined(CONFIG_RANDOM_MACADDR) || \ 831 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 832 defined(CONFIG_CMD_LINK_LOCAL) 833 #define RAND_MAX -1U 834 void srand(unsigned int seed); 835 unsigned int rand(void); 836 unsigned int rand_r(unsigned int *seedp); 837 #endif 838 839 /* common/console.c */ 840 int console_init_f(void); /* Before relocation; uses the serial stuff */ 841 int console_init_r(void); /* After relocation; uses the console stuff */ 842 int console_assign(int file, const char *devname); /* Assign the console */ 843 int ctrlc (void); 844 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 845 void clear_ctrlc (void); /* clear the Control-C condition */ 846 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 847 848 /* 849 * STDIO based functions (can always be used) 850 */ 851 /* serial stuff */ 852 int serial_printf (const char *fmt, ...) 853 __attribute__ ((format (__printf__, 1, 2))); 854 /* stdin */ 855 int getc(void); 856 int tstc(void); 857 858 /* stdout */ 859 void putc(const char c); 860 void puts(const char *s); 861 int printf(const char *fmt, ...) 862 __attribute__ ((format (__printf__, 1, 2))); 863 int vprintf(const char *fmt, va_list args); 864 865 /* stderr */ 866 #define eputc(c) fputc(stderr, c) 867 #define eputs(s) fputs(stderr, s) 868 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 869 870 /* 871 * FILE based functions (can only be used AFTER relocation!) 872 */ 873 #define stdin 0 874 #define stdout 1 875 #define stderr 2 876 #define MAX_FILES 3 877 878 int fprintf(int file, const char *fmt, ...) 879 __attribute__ ((format (__printf__, 2, 3))); 880 void fputs(int file, const char *s); 881 void fputc(int file, const char c); 882 int ftstc(int file); 883 int fgetc(int file); 884 885 /* lib/gzip.c */ 886 int gzip(void *dst, unsigned long *lenp, 887 unsigned char *src, unsigned long srclen); 888 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 889 unsigned long srclen, int stoponerr, 890 int (*func)(unsigned long, unsigned long)); 891 892 /* lib/net_utils.c */ 893 #include <net.h> 894 static inline IPaddr_t getenv_IPaddr(char *var) 895 { 896 return string_to_ip(getenv(var)); 897 } 898 899 /* 900 * CONSOLE multiplexing. 901 */ 902 #ifdef CONFIG_CONSOLE_MUX 903 #include <iomux.h> 904 #endif 905 906 int pcmcia_init (void); 907 908 #ifdef CONFIG_STATUS_LED 909 # include <status_led.h> 910 #endif 911 912 #include <bootstage.h> 913 914 #ifdef CONFIG_SHOW_ACTIVITY 915 void show_activity(int arg); 916 #endif 917 918 /* Multicore arch functions */ 919 #ifdef CONFIG_MP 920 int cpu_status(int nr); 921 int cpu_reset(int nr); 922 int cpu_disable(int nr); 923 int cpu_release(int nr, int argc, char * const argv[]); 924 #endif 925 926 /* Define a null map_sysmem() if the architecture doesn't use it */ 927 # ifndef CONFIG_ARCH_MAP_SYSMEM 928 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 929 { 930 return (void *)(uintptr_t)paddr; 931 } 932 933 static inline void unmap_sysmem(const void *vaddr) 934 { 935 } 936 937 static inline phys_addr_t map_to_sysmem(const void *ptr) 938 { 939 return (phys_addr_t)(uintptr_t)ptr; 940 } 941 # endif 942 943 #endif /* __ASSEMBLY__ */ 944 945 #ifdef CONFIG_PPC 946 /* 947 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 948 * Otherwise might lead to compilation errors in assembler files. 949 */ 950 #include <asm/cache.h> 951 #endif 952 953 /* Put only stuff here that the assembler can digest */ 954 955 #ifdef CONFIG_POST 956 #define CONFIG_HAS_POST 957 #ifndef CONFIG_POST_ALT_LIST 958 #define CONFIG_POST_STD_LIST 959 #endif 960 #endif 961 962 #ifdef CONFIG_INIT_CRITICAL 963 #error CONFIG_INIT_CRITICAL is deprecated! 964 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 965 #endif 966 967 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 968 969 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 970 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 971 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 972 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 973 974 /* 975 * Divide positive or negative dividend by positive divisor and round 976 * to closest integer. Result is undefined for negative divisors and 977 * for negative dividends if the divisor variable type is unsigned. 978 */ 979 #define DIV_ROUND_CLOSEST(x, divisor)( \ 980 { \ 981 typeof(x) __x = x; \ 982 typeof(divisor) __d = divisor; \ 983 (((typeof(x))-1) > 0 || \ 984 ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ 985 (((__x) + ((__d) / 2)) / (__d)) : \ 986 (((__x) - ((__d) / 2)) / (__d)); \ 987 } \ 988 ) 989 990 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 991 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 992 993 /* 994 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 995 * is used to align DMA buffers. 996 */ 997 #ifndef __ASSEMBLY__ 998 #include <asm/cache.h> 999 #endif 1000 1001 /* 1002 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 1003 * stack that meets the minimum architecture alignment requirements for DMA. 1004 * Such a buffer is useful for DMA operations where flushing and invalidating 1005 * the cache before and after a read and/or write operation is required for 1006 * correct operations. 1007 * 1008 * When called the macro creates an array on the stack that is sized such 1009 * that: 1010 * 1011 * 1) The beginning of the array can be advanced enough to be aligned. 1012 * 1013 * 2) The size of the aligned portion of the array is a multiple of the minimum 1014 * architecture alignment required for DMA. 1015 * 1016 * 3) The aligned portion contains enough space for the original number of 1017 * elements requested. 1018 * 1019 * The macro then creates a pointer to the aligned portion of this array and 1020 * assigns to the pointer the address of the first element in the aligned 1021 * portion of the array. 1022 * 1023 * Calling the macro as: 1024 * 1025 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1026 * 1027 * Will result in something similar to saying: 1028 * 1029 * uint32_t buffer[1024]; 1030 * 1031 * The following differences exist: 1032 * 1033 * 1) The resulting buffer is guaranteed to be aligned to the value of 1034 * ARCH_DMA_MINALIGN. 1035 * 1036 * 2) The buffer variable created by the macro is a pointer to the specified 1037 * type, and NOT an array of the specified type. This can be very important 1038 * if you want the address of the buffer, which you probably do, to pass it 1039 * to the DMA hardware. The value of &buffer is different in the two cases. 1040 * In the macro case it will be the address of the pointer, not the address 1041 * of the space reserved for the buffer. However, in the second case it 1042 * would be the address of the buffer. So if you are replacing hard coded 1043 * stack buffers with this macro you need to make sure you remove the & from 1044 * the locations where you are taking the address of the buffer. 1045 * 1046 * Note that the size parameter is the number of array elements to allocate, 1047 * not the number of bytes. 1048 * 1049 * This macro can not be used outside of function scope, or for the creation 1050 * of a function scoped static buffer. It can not be used to create a cache 1051 * line aligned global buffer. 1052 */ 1053 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1054 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1055 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1056 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1057 + (align - 1)]; \ 1058 \ 1059 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1060 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1061 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1062 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1063 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1064 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1065 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1066 1067 /* 1068 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1069 * purpose is to allow allocating aligned buffers outside of function scope. 1070 * Usage of this macro shall be avoided or used with extreme care! 1071 */ 1072 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1073 static char __##name[roundup(size * sizeof(type), align)] \ 1074 __aligned(align); \ 1075 \ 1076 static type *name = (type *)__##name 1077 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1078 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1079 1080 /* Pull in stuff for the build system */ 1081 #ifdef DO_DEPS_ONLY 1082 # include <environment.h> 1083 #endif 1084 1085 #endif /* __COMMON_H_ */ 1086