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/$(ARCH)/lib/board.c */ 297 void board_init_f(ulong); 298 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 299 int checkboard (void); 300 int checkflash (void); 301 int checkdram (void); 302 int last_stage_init(void); 303 extern ulong monitor_flash_len; 304 int mac_read_from_eeprom(void); 305 extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ 306 int set_cpu_clk_info(void); 307 int print_cpuinfo(void); 308 int update_flash_size(int flash_size); 309 310 /** 311 * Show the DRAM size in a board-specific way 312 * 313 * This is used by boards to display DRAM information in their own way. 314 * 315 * @param size Size of DRAM (which should be displayed along with other info) 316 */ 317 void board_show_dram(ulong size); 318 319 /** 320 * arch_fixup_memory_node() - Write arch-specific memory information to fdt 321 * 322 * Defined in arch/$(ARCH)/lib/bootm.c 323 * 324 * @blob: FDT blob to write to 325 * @return 0 if ok, or -ve FDT_ERR_... on failure 326 */ 327 int arch_fixup_memory_node(void *blob); 328 329 /* common/flash.c */ 330 void flash_perror (int); 331 332 /* common/cmd_source.c */ 333 int source (ulong addr, const char *fit_uname); 334 335 extern ulong load_addr; /* Default Load Address */ 336 extern ulong save_addr; /* Default Save Address */ 337 extern ulong save_size; /* Default Save Size */ 338 339 /* common/cmd_doc.c */ 340 void doc_probe(unsigned long physadr); 341 342 /* common/cmd_net.c */ 343 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 344 345 /* common/cmd_fat.c */ 346 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 347 348 /* common/cmd_ext2.c */ 349 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 350 351 /* common/cmd_nvedit.c */ 352 int env_init (void); 353 void env_relocate (void); 354 int envmatch (uchar *, int); 355 char *getenv (const char *); 356 int getenv_f (const char *name, char *buf, unsigned len); 357 ulong getenv_ulong(const char *name, int base, ulong default_val); 358 359 /** 360 * getenv_hex() - Return an environment variable as a hex value 361 * 362 * Decode an environment as a hex number (it may or may not have a 0x 363 * prefix). If the environment variable cannot be found, or does not start 364 * with hex digits, the default value is returned. 365 * 366 * @varname: Variable to decode 367 * @default_val: Value to return on error 368 */ 369 ulong getenv_hex(const char *varname, ulong default_val); 370 371 /* 372 * Read an environment variable as a boolean 373 * Return -1 if variable does not exist (default to true) 374 */ 375 int getenv_yesno(const char *var); 376 int saveenv (void); 377 int setenv (const char *, const char *); 378 int setenv_ulong(const char *varname, ulong value); 379 int setenv_hex(const char *varname, ulong value); 380 /** 381 * setenv_addr - Set an environment variable to an address in hex 382 * 383 * @varname: Environment variable to set 384 * @addr: Value to set it to 385 * @return 0 if ok, 1 on error 386 */ 387 static inline int setenv_addr(const char *varname, const void *addr) 388 { 389 return setenv_hex(varname, (ulong)addr); 390 } 391 392 #ifdef CONFIG_ARM 393 # include <asm/mach-types.h> 394 # include <asm/setup.h> 395 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 396 #endif /* CONFIG_ARM */ 397 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 398 # include <asm/u-boot-x86.h> 399 #endif /* CONFIG_X86 */ 400 #ifdef CONFIG_SANDBOX 401 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 402 #endif 403 #ifdef CONFIG_NDS32 404 # include <asm/mach-types.h> 405 # include <asm/setup.h> 406 # include <asm/u-boot-nds32.h> 407 #endif /* CONFIG_NDS32 */ 408 #ifdef CONFIG_MIPS 409 # include <asm/u-boot-mips.h> 410 #endif /* CONFIG_MIPS */ 411 412 #ifdef CONFIG_AUTO_COMPLETE 413 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 414 #endif 415 int get_env_id (void); 416 417 void pci_init (void); 418 void pci_init_board(void); 419 void pciinfo (int, int); 420 421 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 422 int pci_pre_init (struct pci_controller *); 423 int is_pci_host (struct pci_controller *); 424 #endif 425 426 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 427 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 428 void pci_target_init (struct pci_controller *); 429 # endif 430 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 431 void pci_master_init (struct pci_controller *); 432 # endif 433 #if defined(CONFIG_440SPE) || \ 434 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 435 defined(CONFIG_405EX) 436 void pcie_setup_hoses(int busno); 437 #endif 438 #endif 439 440 int misc_init_f (void); 441 int misc_init_r (void); 442 443 /* common/exports.c */ 444 void jumptable_init(void); 445 446 /* common/kallsysm.c */ 447 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 448 449 /* api/api.c */ 450 void api_init (void); 451 452 /* common/memsize.c */ 453 long get_ram_size (long *, long); 454 455 /* $(BOARD)/$(BOARD).c */ 456 void reset_phy (void); 457 void fdc_hw_init (void); 458 459 /* $(BOARD)/eeprom.c */ 460 void eeprom_init (void); 461 #ifndef CONFIG_SPI 462 int eeprom_probe (unsigned dev_addr, unsigned offset); 463 #endif 464 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 465 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 466 #ifdef CONFIG_LWMON 467 extern uchar pic_read (uchar reg); 468 extern void pic_write (uchar reg, uchar val); 469 #endif 470 471 /* 472 * Set this up regardless of board 473 * type, to prevent errors. 474 */ 475 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 476 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 477 #else 478 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 479 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 480 #endif 481 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 482 483 #if defined(CONFIG_SPI) 484 extern void spi_init_f (void); 485 extern void spi_init_r (void); 486 extern ssize_t spi_read (uchar *, int, uchar *, int); 487 extern ssize_t spi_write (uchar *, int, uchar *, int); 488 #endif 489 490 #ifdef CONFIG_RPXCLASSIC 491 void rpxclassic_init (void); 492 #endif 493 494 void rpxlite_init (void); 495 496 #ifdef CONFIG_MBX 497 /* $(BOARD)/mbx8xx.c */ 498 void mbx_init (void); 499 void board_serial_init (void); 500 void board_ether_init (void); 501 #endif 502 503 #ifdef CONFIG_HERMES 504 /* $(BOARD)/hermes.c */ 505 void hermes_start_lxt980 (int speed); 506 #endif 507 508 #ifdef CONFIG_EVB64260 509 void evb64260_init(void); 510 void debug_led(int, int); 511 void display_mem_map(void); 512 void perform_soft_reset(void); 513 #endif 514 515 /* $(BOARD)/$(BOARD).c */ 516 int board_early_init_f (void); 517 int board_late_init (void); 518 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 519 int board_early_init_r (void); 520 void board_poweroff (void); 521 522 #if defined(CONFIG_SYS_DRAM_TEST) 523 int testdram(void); 524 #endif /* CONFIG_SYS_DRAM_TEST */ 525 526 /* $(CPU)/start.S */ 527 #if defined(CONFIG_5xx) || \ 528 defined(CONFIG_8xx) 529 uint get_immr (uint); 530 #endif 531 uint get_pir (void); 532 #if defined(CONFIG_MPC5xxx) 533 uint get_svr (void); 534 #endif 535 uint get_pvr (void); 536 uint get_svr (void); 537 uint rd_ic_cst (void); 538 void wr_ic_cst (uint); 539 void wr_ic_adr (uint); 540 uint rd_dc_cst (void); 541 void wr_dc_cst (uint); 542 void wr_dc_adr (uint); 543 int icache_status (void); 544 void icache_enable (void); 545 void icache_disable(void); 546 int dcache_status (void); 547 void dcache_enable (void); 548 void dcache_disable(void); 549 void mmu_disable(void); 550 #if defined(CONFIG_ARM) 551 void relocate_code(ulong); 552 #else 553 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 554 #endif 555 ulong get_endaddr (void); 556 void trap_init (ulong); 557 #if defined (CONFIG_4xx) || \ 558 defined (CONFIG_MPC5xxx) || \ 559 defined (CONFIG_74xx_7xx) || \ 560 defined (CONFIG_74x) || \ 561 defined (CONFIG_75x) || \ 562 defined (CONFIG_74xx) || \ 563 defined (CONFIG_MPC85xx) || \ 564 defined (CONFIG_MPC86xx) || \ 565 defined (CONFIG_MPC83xx) 566 unsigned char in8(unsigned int); 567 void out8(unsigned int, unsigned char); 568 unsigned short in16(unsigned int); 569 unsigned short in16r(unsigned int); 570 void out16(unsigned int, unsigned short value); 571 void out16r(unsigned int, unsigned short value); 572 unsigned long in32(unsigned int); 573 unsigned long in32r(unsigned int); 574 void out32(unsigned int, unsigned long value); 575 void out32r(unsigned int, unsigned long value); 576 void ppcDcbf(unsigned long value); 577 void ppcDcbi(unsigned long value); 578 void ppcSync(void); 579 void ppcDcbz(unsigned long value); 580 #endif 581 #if defined (CONFIG_MICROBLAZE) 582 unsigned short in16(unsigned int); 583 void out16(unsigned int, unsigned short value); 584 #endif 585 586 #if defined (CONFIG_MPC83xx) 587 void ppcDWload(unsigned int *addr, unsigned int *ret); 588 void ppcDWstore(unsigned int *addr, unsigned int *value); 589 void disable_addr_trans(void); 590 void enable_addr_trans(void); 591 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 592 void ddr_enable_ecc(unsigned int dram_size); 593 #endif 594 #endif 595 596 /* 597 * Return the current value of a monotonically increasing microsecond timer. 598 * Granularity may be larger than 1us if hardware does not support this. 599 */ 600 ulong timer_get_us(void); 601 602 /* $(CPU)/cpu.c */ 603 static inline int cpumask_next(int cpu, unsigned int mask) 604 { 605 for (cpu++; !((1 << cpu) & mask); cpu++) 606 ; 607 608 return cpu; 609 } 610 611 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 612 for (iter = 0, cpu = cpumask_next(-1, mask); \ 613 iter < num_cpus; \ 614 iter++, cpu = cpumask_next(cpu, mask)) \ 615 616 int cpu_numcores (void); 617 u32 cpu_mask (void); 618 int is_core_valid (unsigned int); 619 int probecpu (void); 620 int checkcpu (void); 621 int checkicache (void); 622 int checkdcache (void); 623 void upmconfig (unsigned int, unsigned int *, unsigned int); 624 ulong get_tbclk (void); 625 void reset_cpu (ulong addr); 626 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 627 void ft_cpu_setup(void *blob, bd_t *bd); 628 #ifdef CONFIG_PCI 629 void ft_pci_setup(void *blob, bd_t *bd); 630 #endif 631 #endif 632 633 void smp_set_core_boot_addr(unsigned long addr, int corenr); 634 void smp_kick_all_cpus(void); 635 636 /* $(CPU)/serial.c */ 637 int serial_init (void); 638 void serial_setbrg (void); 639 void serial_putc (const char); 640 void serial_putc_raw(const char); 641 void serial_puts (const char *); 642 int serial_getc (void); 643 int serial_tstc (void); 644 645 void _serial_setbrg (const int); 646 void _serial_putc (const char, const int); 647 void _serial_putc_raw(const char, const int); 648 void _serial_puts (const char *, const int); 649 int _serial_getc (const int); 650 int _serial_tstc (const int); 651 652 /* $(CPU)/speed.c */ 653 int get_clocks (void); 654 int get_clocks_866 (void); 655 int sdram_adjust_866 (void); 656 int adjust_sdram_tbs_8xx (void); 657 #if defined(CONFIG_8260) 658 int prt_8260_clks (void); 659 #elif defined(CONFIG_MPC5xxx) 660 int prt_mpc5xxx_clks (void); 661 #endif 662 #ifdef CONFIG_4xx 663 ulong get_OPB_freq (void); 664 ulong get_PCI_freq (void); 665 #endif 666 #if defined(CONFIG_S3C24X0) || \ 667 defined(CONFIG_LH7A40X) || \ 668 defined(CONFIG_EP93XX) 669 ulong get_FCLK (void); 670 ulong get_HCLK (void); 671 ulong get_PCLK (void); 672 ulong get_UCLK (void); 673 #endif 674 #if defined(CONFIG_LH7A40X) 675 ulong get_PLLCLK (void); 676 #endif 677 #if defined CONFIG_INCA_IP 678 uint incaip_get_cpuclk (void); 679 #endif 680 #if defined(CONFIG_IMX) 681 ulong get_systemPLLCLK(void); 682 ulong get_FCLK(void); 683 ulong get_HCLK(void); 684 ulong get_BCLK(void); 685 ulong get_PERCLK1(void); 686 ulong get_PERCLK2(void); 687 ulong get_PERCLK3(void); 688 #endif 689 ulong get_bus_freq (ulong); 690 int get_serial_clock(void); 691 692 #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) 693 ulong get_ddr_freq(ulong); 694 #endif 695 #if defined(CONFIG_MPC85xx) 696 typedef MPC85xx_SYS_INFO sys_info_t; 697 void get_sys_info ( sys_info_t * ); 698 # if defined(CONFIG_OF_LIBFDT) 699 void ft_fixup_cpu(void *, u64); 700 void ft_fixup_num_cores(void *); 701 # endif 702 #endif 703 #if defined(CONFIG_MPC86xx) 704 typedef MPC86xx_SYS_INFO sys_info_t; 705 void get_sys_info ( sys_info_t * ); 706 static inline ulong get_ddr_freq(ulong dummy) 707 { 708 return get_bus_freq(dummy); 709 } 710 #endif 711 712 #if defined(CONFIG_4xx) 713 # if defined(CONFIG_440) 714 # if defined(CONFIG_440SPE) 715 unsigned long determine_sysper(void); 716 unsigned long determine_pci_clock_per(void); 717 # endif 718 # endif 719 typedef PPC4xx_SYS_INFO sys_info_t; 720 int ppc440spe_revB(void); 721 void get_sys_info ( sys_info_t * ); 722 #endif 723 724 /* $(CPU)/cpu_init.c */ 725 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 726 void cpu_init_f (volatile immap_t *immr); 727 #endif 728 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx) 729 void cpu_init_f (void); 730 #endif 731 732 int cpu_init_r (void); 733 #if defined(CONFIG_8260) 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 void uuid_str_to_bin(const char *uuid, unsigned char *out); 808 int uuid_str_valid(const char *uuid); 809 810 /* lib/vsprintf.c */ 811 #include <vsprintf.h> 812 813 /* lib/strmhz.c */ 814 char * strmhz(char *buf, unsigned long hz); 815 816 /* lib/crc32.c */ 817 #include <u-boot/crc.h> 818 819 /* lib/rand.c */ 820 #if defined(CONFIG_RANDOM_MACADDR) || \ 821 defined(CONFIG_BOOTP_RANDOM_DELAY) || \ 822 defined(CONFIG_CMD_LINK_LOCAL) 823 #define RAND_MAX -1U 824 void srand(unsigned int seed); 825 unsigned int rand(void); 826 unsigned int rand_r(unsigned int *seedp); 827 #endif 828 829 /* common/console.c */ 830 int console_init_f(void); /* Before relocation; uses the serial stuff */ 831 int console_init_r(void); /* After relocation; uses the console stuff */ 832 int console_assign(int file, const char *devname); /* Assign the console */ 833 int ctrlc (void); 834 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 835 void clear_ctrlc (void); /* clear the Control-C condition */ 836 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 837 838 /* 839 * STDIO based functions (can always be used) 840 */ 841 /* serial stuff */ 842 int serial_printf (const char *fmt, ...) 843 __attribute__ ((format (__printf__, 1, 2))); 844 /* stdin */ 845 int getc(void); 846 int tstc(void); 847 848 /* stdout */ 849 void putc(const char c); 850 void puts(const char *s); 851 int printf(const char *fmt, ...) 852 __attribute__ ((format (__printf__, 1, 2))); 853 int vprintf(const char *fmt, va_list args); 854 855 /* stderr */ 856 #define eputc(c) fputc(stderr, c) 857 #define eputs(s) fputs(stderr, s) 858 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 859 860 /* 861 * FILE based functions (can only be used AFTER relocation!) 862 */ 863 #define stdin 0 864 #define stdout 1 865 #define stderr 2 866 #define MAX_FILES 3 867 868 int fprintf(int file, const char *fmt, ...) 869 __attribute__ ((format (__printf__, 2, 3))); 870 void fputs(int file, const char *s); 871 void fputc(int file, const char c); 872 int ftstc(int file); 873 int fgetc(int file); 874 875 /* lib/gzip.c */ 876 int gzip(void *dst, unsigned long *lenp, 877 unsigned char *src, unsigned long srclen); 878 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 879 unsigned long srclen, int stoponerr, 880 int (*func)(unsigned long, unsigned long)); 881 882 /* lib/net_utils.c */ 883 #include <net.h> 884 static inline IPaddr_t getenv_IPaddr(char *var) 885 { 886 return string_to_ip(getenv(var)); 887 } 888 889 /* 890 * CONSOLE multiplexing. 891 */ 892 #ifdef CONFIG_CONSOLE_MUX 893 #include <iomux.h> 894 #endif 895 896 int pcmcia_init (void); 897 898 #ifdef CONFIG_STATUS_LED 899 # include <status_led.h> 900 #endif 901 902 #include <bootstage.h> 903 904 #ifdef CONFIG_SHOW_ACTIVITY 905 void show_activity(int arg); 906 #endif 907 908 /* Multicore arch functions */ 909 #ifdef CONFIG_MP 910 int cpu_status(int nr); 911 int cpu_reset(int nr); 912 int cpu_disable(int nr); 913 int cpu_release(int nr, int argc, char * const argv[]); 914 #endif 915 916 /* Define a null map_sysmem() if the architecture doesn't use it */ 917 # ifndef CONFIG_ARCH_MAP_SYSMEM 918 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 919 { 920 return (void *)(uintptr_t)paddr; 921 } 922 923 static inline void unmap_sysmem(const void *vaddr) 924 { 925 } 926 927 static inline phys_addr_t map_to_sysmem(const void *ptr) 928 { 929 return (phys_addr_t)(uintptr_t)ptr; 930 } 931 # endif 932 933 #endif /* __ASSEMBLY__ */ 934 935 #ifdef CONFIG_PPC 936 /* 937 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 938 * Otherwise might lead to compilation errors in assembler files. 939 */ 940 #include <asm/cache.h> 941 #endif 942 943 /* Put only stuff here that the assembler can digest */ 944 945 #ifdef CONFIG_POST 946 #define CONFIG_HAS_POST 947 #ifndef CONFIG_POST_ALT_LIST 948 #define CONFIG_POST_STD_LIST 949 #endif 950 #endif 951 952 #ifdef CONFIG_INIT_CRITICAL 953 #error CONFIG_INIT_CRITICAL is deprecated! 954 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 955 #endif 956 957 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 958 959 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 960 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d)) 961 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 962 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) 963 964 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) 965 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) 966 967 /* 968 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 969 * is used to align DMA buffers. 970 */ 971 #ifndef __ASSEMBLY__ 972 #include <asm/cache.h> 973 #endif 974 975 /* 976 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 977 * stack that meets the minimum architecture alignment requirements for DMA. 978 * Such a buffer is useful for DMA operations where flushing and invalidating 979 * the cache before and after a read and/or write operation is required for 980 * correct operations. 981 * 982 * When called the macro creates an array on the stack that is sized such 983 * that: 984 * 985 * 1) The beginning of the array can be advanced enough to be aligned. 986 * 987 * 2) The size of the aligned portion of the array is a multiple of the minimum 988 * architecture alignment required for DMA. 989 * 990 * 3) The aligned portion contains enough space for the original number of 991 * elements requested. 992 * 993 * The macro then creates a pointer to the aligned portion of this array and 994 * assigns to the pointer the address of the first element in the aligned 995 * portion of the array. 996 * 997 * Calling the macro as: 998 * 999 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 1000 * 1001 * Will result in something similar to saying: 1002 * 1003 * uint32_t buffer[1024]; 1004 * 1005 * The following differences exist: 1006 * 1007 * 1) The resulting buffer is guaranteed to be aligned to the value of 1008 * ARCH_DMA_MINALIGN. 1009 * 1010 * 2) The buffer variable created by the macro is a pointer to the specified 1011 * type, and NOT an array of the specified type. This can be very important 1012 * if you want the address of the buffer, which you probably do, to pass it 1013 * to the DMA hardware. The value of &buffer is different in the two cases. 1014 * In the macro case it will be the address of the pointer, not the address 1015 * of the space reserved for the buffer. However, in the second case it 1016 * would be the address of the buffer. So if you are replacing hard coded 1017 * stack buffers with this macro you need to make sure you remove the & from 1018 * the locations where you are taking the address of the buffer. 1019 * 1020 * Note that the size parameter is the number of array elements to allocate, 1021 * not the number of bytes. 1022 * 1023 * This macro can not be used outside of function scope, or for the creation 1024 * of a function scoped static buffer. It can not be used to create a cache 1025 * line aligned global buffer. 1026 */ 1027 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 1028 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 1029 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 1030 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 1031 + (align - 1)]; \ 1032 \ 1033 type *name = (type *) ALIGN((uintptr_t)__##name, align) 1034 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 1035 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 1036 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 1037 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 1038 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 1039 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1040 1041 /* 1042 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1043 * purpose is to allow allocating aligned buffers outside of function scope. 1044 * Usage of this macro shall be avoided or used with extreme care! 1045 */ 1046 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1047 static char __##name[roundup(size * sizeof(type), align)] \ 1048 __aligned(align); \ 1049 \ 1050 static type *name = (type *)__##name 1051 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1052 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1053 1054 /* Pull in stuff for the build system */ 1055 #ifdef DO_DEPS_ONLY 1056 # include <environment.h> 1057 #endif 1058 1059 #endif /* __COMMON_H_ */ 1060