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 #include <linux/kernel.h> 27 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 28 #include <pci.h> 29 #endif 30 #if defined(CONFIG_8xx) 31 #include <asm/8xx_immap.h> 32 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 33 defined(CONFIG_MPC866) || \ 34 defined(CONFIG_MPC866P) 35 # define CONFIG_MPC866_FAMILY 1 36 #elif defined(CONFIG_MPC885) 37 # define CONFIG_MPC885_FAMILY 1 38 #endif 39 #if defined(CONFIG_MPC860) \ 40 || defined(CONFIG_MPC860T) \ 41 || defined(CONFIG_MPC866_FAMILY) \ 42 || defined(CONFIG_MPC885_FAMILY) 43 # define CONFIG_MPC86x 1 44 #endif 45 #elif defined(CONFIG_5xx) 46 #include <asm/5xx_immap.h> 47 #elif defined(CONFIG_MPC5xxx) 48 #include <mpc5xxx.h> 49 #elif defined(CONFIG_MPC512X) 50 #include <asm/immap_512x.h> 51 #elif defined(CONFIG_MPC8260) 52 #if defined(CONFIG_MPC8247) \ 53 || defined(CONFIG_MPC8272) 54 #define CONFIG_MPC8272_FAMILY 1 55 #endif 56 #include <asm/immap_8260.h> 57 #endif 58 #ifdef CONFIG_MPC86xx 59 #include <mpc86xx.h> 60 #include <asm/immap_86xx.h> 61 #endif 62 #ifdef CONFIG_MPC85xx 63 #include <mpc85xx.h> 64 #include <asm/immap_85xx.h> 65 #endif 66 #ifdef CONFIG_MPC83xx 67 #include <mpc83xx.h> 68 #include <asm/immap_83xx.h> 69 #endif 70 #ifdef CONFIG_4xx 71 #include <asm/ppc4xx.h> 72 #endif 73 #ifdef CONFIG_ARM 74 #define asmlinkage /* nothing */ 75 #endif 76 #ifdef CONFIG_BLACKFIN 77 #include <asm/blackfin.h> 78 #endif 79 #ifdef CONFIG_SOC_DA8XX 80 #include <asm/arch/hardware.h> 81 #endif 82 83 #include <part.h> 84 #include <flash.h> 85 #include <image.h> 86 87 /* Bring in printf format macros if inttypes.h is included */ 88 #define __STDC_FORMAT_MACROS 89 90 #ifdef __LP64__ 91 #define CONFIG_SYS_SUPPORT_64BIT_DATA 92 #endif 93 94 #ifdef DEBUG 95 #define _DEBUG 1 96 #else 97 #define _DEBUG 0 98 #endif 99 100 /* 101 * Output a debug text when condition "cond" is met. The "cond" should be 102 * computed by a preprocessor in the best case, allowing for the best 103 * optimization. 104 */ 105 #define debug_cond(cond, fmt, args...) \ 106 do { \ 107 if (cond) \ 108 printf(fmt, ##args); \ 109 } while (0) 110 111 #define debug(fmt, args...) \ 112 debug_cond(_DEBUG, fmt, ##args) 113 114 /* 115 * An assertion is run-time check done in debug mode only. If DEBUG is not 116 * defined then it is skipped. If DEBUG is defined and the assertion fails, 117 * then it calls panic*( which may or may not reset/halt U-Boot (see 118 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 119 * before release, and after release it is hoped that they don't matter. But 120 * in any case these failing assertions cannot be fixed with a reset (which 121 * may just do the same assertion again). 122 */ 123 void __assert_fail(const char *assertion, const char *file, unsigned line, 124 const char *function); 125 #define assert(x) \ 126 ({ if (!(x) && _DEBUG) \ 127 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 128 129 #define error(fmt, args...) do { \ 130 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \ 131 ##args, __FILE__, __LINE__, __func__); \ 132 } while (0) 133 134 #ifndef BUG 135 #define BUG() do { \ 136 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 137 panic("BUG!"); \ 138 } while (0) 139 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 140 #endif /* BUG */ 141 142 /* Force a compilation error if condition is true */ 143 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 144 145 typedef void (interrupt_handler_t)(void *); 146 147 #include <asm/u-boot.h> /* boot information for Linux kernel */ 148 #include <asm/global_data.h> /* global data used for startup functions */ 149 150 /* 151 * enable common handling for all TQM8xxL/M boards: 152 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 153 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 154 * and for the TQM885D board 155 */ 156 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 157 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 158 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 159 # ifndef CONFIG_TQM8xxM 160 # define CONFIG_TQM8xxM 161 # endif 162 #endif 163 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 164 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 165 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 166 defined(CONFIG_TQM885D) 167 # ifndef CONFIG_TQM8xxL 168 # define CONFIG_TQM8xxL 169 # endif 170 #endif 171 172 #if defined(CONFIG_ENV_IS_EMBEDDED) 173 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 174 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 175 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 176 defined(CONFIG_ENV_IS_IN_NVRAM) 177 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 178 #else 179 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 180 #endif 181 182 /* 183 * Function Prototypes 184 */ 185 186 void hang (void) __attribute__ ((noreturn)); 187 188 int timer_init(void); 189 int cpu_init(void); 190 191 /* */ 192 phys_size_t initdram (int); 193 int display_options (void); 194 195 /** 196 * print_size() - Print a size with a suffic 197 * 198 * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", 199 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string 200 * (like "\n") 201 * 202 * @size: Size to print 203 * @suffix String to print after the size 204 */ 205 void print_size(uint64_t size, const char *suffix); 206 207 int print_buffer(ulong addr, const void *data, uint width, uint count, 208 uint linelen); 209 210 /* common/main.c */ 211 void main_loop (void); 212 int run_command(const char *cmd, int flag); 213 int run_command_repeatable(const char *cmd, int flag); 214 215 /** 216 * Run a list of commands separated by ; or even \0 217 * 218 * Note that if 'len' is not -1, then the command does not need to be nul 219 * terminated, Memory will be allocated for the command in that case. 220 * 221 * @param cmd List of commands to run, each separated bu semicolon 222 * @param len Length of commands excluding terminator if known (-1 if not) 223 * @param flag Execution flags (CMD_FLAG_...) 224 * @return 0 on success, or != 0 on error. 225 */ 226 int run_command_list(const char *cmd, int len, int flag); 227 extern char console_buffer[]; 228 229 /* arch/$(ARCH)/lib/board.c */ 230 void board_init_f(ulong); 231 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 232 int checkboard (void); 233 int checkflash (void); 234 int checkdram (void); 235 int last_stage_init(void); 236 extern ulong monitor_flash_len; 237 int mac_read_from_eeprom(void); 238 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 239 int set_cpu_clk_info(void); 240 int mdm_init(void); 241 #if defined(CONFIG_DISPLAY_CPUINFO) 242 int print_cpuinfo(void); 243 #else 244 static inline int print_cpuinfo(void) 245 { 246 return 0; 247 } 248 #endif 249 int update_flash_size(int flash_size); 250 int arch_early_init_r(void); 251 252 /** 253 * Show the DRAM size in a board-specific way 254 * 255 * This is used by boards to display DRAM information in their own way. 256 * 257 * @param size Size of DRAM (which should be displayed along with other info) 258 */ 259 void board_show_dram(ulong size); 260 261 /** 262 * arch_fixup_fdt() - Write arch-specific information to fdt 263 * 264 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 265 * 266 * @blob: FDT blob to write to 267 * @return 0 if ok, or -ve FDT_ERR_... on failure 268 */ 269 int arch_fixup_fdt(void *blob); 270 271 /* common/flash.c */ 272 void flash_perror (int); 273 274 /* common/cmd_source.c */ 275 int source (ulong addr, const char *fit_uname); 276 277 extern ulong load_addr; /* Default Load Address */ 278 extern ulong save_addr; /* Default Save Address */ 279 extern ulong save_size; /* Default Save Size */ 280 281 /* common/cmd_doc.c */ 282 void doc_probe(unsigned long physadr); 283 284 /* common/cmd_net.c */ 285 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 286 287 /* common/cmd_fat.c */ 288 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 289 290 /* common/cmd_ext2.c */ 291 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 292 293 /* common/cmd_nvedit.c */ 294 int env_init (void); 295 void env_relocate (void); 296 int envmatch (uchar *, int); 297 298 /* Avoid unfortunate conflict with libc's getenv() */ 299 #ifdef CONFIG_SANDBOX 300 #define getenv uboot_getenv 301 #endif 302 char *getenv (const char *); 303 int getenv_f (const char *name, char *buf, unsigned len); 304 ulong getenv_ulong(const char *name, int base, ulong default_val); 305 306 /** 307 * getenv_hex() - Return an environment variable as a hex value 308 * 309 * Decode an environment as a hex number (it may or may not have a 0x 310 * prefix). If the environment variable cannot be found, or does not start 311 * with hex digits, the default value is returned. 312 * 313 * @varname: Variable to decode 314 * @default_val: Value to return on error 315 */ 316 ulong getenv_hex(const char *varname, ulong default_val); 317 318 /* 319 * Read an environment variable as a boolean 320 * Return -1 if variable does not exist (default to true) 321 */ 322 int getenv_yesno(const char *var); 323 int saveenv (void); 324 int setenv (const char *, const char *); 325 int setenv_ulong(const char *varname, ulong value); 326 int setenv_hex(const char *varname, ulong value); 327 /** 328 * setenv_addr - Set an environment variable to an address in hex 329 * 330 * @varname: Environment variable to set 331 * @addr: Value to set it to 332 * @return 0 if ok, 1 on error 333 */ 334 static inline int setenv_addr(const char *varname, const void *addr) 335 { 336 return setenv_hex(varname, (ulong)addr); 337 } 338 339 #ifdef CONFIG_ARM 340 # include <asm/mach-types.h> 341 # include <asm/setup.h> 342 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 343 #endif /* CONFIG_ARM */ 344 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 345 # include <asm/u-boot-x86.h> 346 #endif /* CONFIG_X86 */ 347 #ifdef CONFIG_SANDBOX 348 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 349 #endif 350 #ifdef CONFIG_NDS32 351 # include <asm/mach-types.h> 352 # include <asm/setup.h> 353 # include <asm/u-boot-nds32.h> 354 #endif /* CONFIG_NDS32 */ 355 #ifdef CONFIG_MIPS 356 # include <asm/u-boot-mips.h> 357 #endif /* CONFIG_MIPS */ 358 #ifdef CONFIG_ARC 359 # include <asm/u-boot-arc.h> 360 #endif /* CONFIG_ARC */ 361 362 #ifdef CONFIG_AUTO_COMPLETE 363 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 364 #endif 365 int get_env_id (void); 366 367 void pci_init (void); 368 void pci_init_board(void); 369 void pciinfo (int, int); 370 371 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 372 int pci_pre_init (struct pci_controller *); 373 int is_pci_host (struct pci_controller *); 374 #endif 375 376 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 377 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 378 void pci_target_init (struct pci_controller *); 379 # endif 380 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 381 void pci_master_init (struct pci_controller *); 382 # endif 383 #if defined(CONFIG_440SPE) || \ 384 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 385 defined(CONFIG_405EX) 386 void pcie_setup_hoses(int busno); 387 #endif 388 #endif 389 390 int misc_init_f (void); 391 int misc_init_r (void); 392 393 /* common/exports.c */ 394 void jumptable_init(void); 395 396 /* common/kallsysm.c */ 397 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 398 399 /* api/api.c */ 400 void api_init (void); 401 402 /* common/memsize.c */ 403 long get_ram_size (long *, long); 404 phys_size_t get_effective_memsize(void); 405 406 /* $(BOARD)/$(BOARD).c */ 407 void reset_phy (void); 408 void fdc_hw_init (void); 409 410 /* $(BOARD)/eeprom.c */ 411 void eeprom_init (void); 412 #ifndef CONFIG_SPI 413 int eeprom_probe (unsigned dev_addr, unsigned offset); 414 #endif 415 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 416 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 417 #ifdef CONFIG_LWMON 418 extern uchar pic_read (uchar reg); 419 extern void pic_write (uchar reg, uchar val); 420 #endif 421 422 /* 423 * Set this up regardless of board 424 * type, to prevent errors. 425 */ 426 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 427 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 428 #else 429 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 430 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 431 #endif 432 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 433 434 #if defined(CONFIG_SPI) 435 extern void spi_init_f (void); 436 extern void spi_init_r (void); 437 extern ssize_t spi_read (uchar *, int, uchar *, int); 438 extern ssize_t spi_write (uchar *, int, uchar *, int); 439 #endif 440 441 #ifdef CONFIG_HERMES 442 /* $(BOARD)/hermes.c */ 443 void hermes_start_lxt980 (int speed); 444 #endif 445 446 #ifdef CONFIG_EVB64260 447 void evb64260_init(void); 448 void debug_led(int, int); 449 void display_mem_map(void); 450 void perform_soft_reset(void); 451 #endif 452 453 /* $(BOARD)/$(BOARD).c */ 454 int board_early_init_f (void); 455 int board_late_init (void); 456 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 457 int board_early_init_r (void); 458 void board_poweroff (void); 459 460 #if defined(CONFIG_SYS_DRAM_TEST) 461 int testdram(void); 462 #endif /* CONFIG_SYS_DRAM_TEST */ 463 464 /* $(CPU)/start.S */ 465 #if defined(CONFIG_5xx) || \ 466 defined(CONFIG_8xx) 467 uint get_immr (uint); 468 #endif 469 uint get_pir (void); 470 #if defined(CONFIG_MPC5xxx) 471 uint get_svr (void); 472 #endif 473 uint get_pvr (void); 474 uint get_svr (void); 475 uint rd_ic_cst (void); 476 void wr_ic_cst (uint); 477 void wr_ic_adr (uint); 478 uint rd_dc_cst (void); 479 void wr_dc_cst (uint); 480 void wr_dc_adr (uint); 481 int icache_status (void); 482 void icache_enable (void); 483 void icache_disable(void); 484 int dcache_status (void); 485 void dcache_enable (void); 486 void dcache_disable(void); 487 void mmu_disable(void); 488 #if defined(CONFIG_ARM) 489 void relocate_code(ulong); 490 #else 491 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 492 #endif 493 ulong get_endaddr (void); 494 void trap_init (ulong); 495 #if defined (CONFIG_4xx) || \ 496 defined (CONFIG_MPC5xxx) || \ 497 defined (CONFIG_74xx_7xx) || \ 498 defined (CONFIG_74x) || \ 499 defined (CONFIG_75x) || \ 500 defined (CONFIG_74xx) || \ 501 defined (CONFIG_MPC85xx) || \ 502 defined (CONFIG_MPC86xx) || \ 503 defined (CONFIG_MPC83xx) 504 unsigned char in8(unsigned int); 505 void out8(unsigned int, unsigned char); 506 unsigned short in16(unsigned int); 507 unsigned short in16r(unsigned int); 508 void out16(unsigned int, unsigned short value); 509 void out16r(unsigned int, unsigned short value); 510 unsigned long in32(unsigned int); 511 unsigned long in32r(unsigned int); 512 void out32(unsigned int, unsigned long value); 513 void out32r(unsigned int, unsigned long value); 514 void ppcDcbf(unsigned long value); 515 void ppcDcbi(unsigned long value); 516 void ppcSync(void); 517 void ppcDcbz(unsigned long value); 518 #endif 519 #if defined (CONFIG_MICROBLAZE) 520 unsigned short in16(unsigned int); 521 void out16(unsigned int, unsigned short value); 522 #endif 523 524 #if defined (CONFIG_MPC83xx) 525 void ppcDWload(unsigned int *addr, unsigned int *ret); 526 void ppcDWstore(unsigned int *addr, unsigned int *value); 527 void disable_addr_trans(void); 528 void enable_addr_trans(void); 529 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 530 void ddr_enable_ecc(unsigned int dram_size); 531 #endif 532 #endif 533 534 /* 535 * Return the current value of a monotonically increasing microsecond timer. 536 * Granularity may be larger than 1us if hardware does not support this. 537 */ 538 ulong timer_get_us(void); 539 540 /* $(CPU)/cpu.c */ 541 static inline int cpumask_next(int cpu, unsigned int mask) 542 { 543 for (cpu++; !((1 << cpu) & mask); cpu++) 544 ; 545 546 return cpu; 547 } 548 549 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 550 for (iter = 0, cpu = cpumask_next(-1, mask); \ 551 iter < num_cpus; \ 552 iter++, cpu = cpumask_next(cpu, mask)) \ 553 554 int cpu_numcores (void); 555 u32 cpu_mask (void); 556 int is_core_valid (unsigned int); 557 int probecpu (void); 558 int checkcpu (void); 559 int checkicache (void); 560 int checkdcache (void); 561 void upmconfig (unsigned int, unsigned int *, unsigned int); 562 ulong get_tbclk (void); 563 void reset_misc (void); 564 void reset_cpu (ulong addr); 565 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 566 void ft_cpu_setup(void *blob, bd_t *bd); 567 #ifdef CONFIG_PCI 568 void ft_pci_setup(void *blob, bd_t *bd); 569 #endif 570 #endif 571 572 void smp_set_core_boot_addr(unsigned long addr, int corenr); 573 void smp_kick_all_cpus(void); 574 575 /* $(CPU)/serial.c */ 576 int serial_init (void); 577 void serial_setbrg (void); 578 void serial_putc (const char); 579 void serial_putc_raw(const char); 580 void serial_puts (const char *); 581 int serial_getc (void); 582 int serial_tstc (void); 583 584 /* These versions take a stdio_dev pointer */ 585 struct stdio_dev; 586 int serial_stub_getc(struct stdio_dev *sdev); 587 int serial_stub_tstc(struct stdio_dev *sdev); 588 589 /* $(CPU)/speed.c */ 590 int get_clocks (void); 591 int get_clocks_866 (void); 592 int sdram_adjust_866 (void); 593 int adjust_sdram_tbs_8xx (void); 594 #if defined(CONFIG_MPC8260) 595 int prt_8260_clks (void); 596 #elif defined(CONFIG_MPC5xxx) 597 int prt_mpc5xxx_clks (void); 598 #endif 599 #ifdef CONFIG_4xx 600 ulong get_OPB_freq (void); 601 ulong get_PCI_freq (void); 602 #endif 603 #if defined(CONFIG_S3C24X0) || \ 604 defined(CONFIG_LH7A40X) || \ 605 defined(CONFIG_EP93XX) 606 ulong get_FCLK (void); 607 ulong get_HCLK (void); 608 ulong get_PCLK (void); 609 ulong get_UCLK (void); 610 #endif 611 #if defined(CONFIG_LH7A40X) 612 ulong get_PLLCLK (void); 613 #endif 614 #if defined(CONFIG_IMX) 615 ulong get_systemPLLCLK(void); 616 ulong get_FCLK(void); 617 ulong get_HCLK(void); 618 ulong get_BCLK(void); 619 ulong get_PERCLK1(void); 620 ulong get_PERCLK2(void); 621 ulong get_PERCLK3(void); 622 #endif 623 ulong get_bus_freq (ulong); 624 int get_serial_clock(void); 625 626 #if defined(CONFIG_MPC85xx) 627 typedef MPC85xx_SYS_INFO sys_info_t; 628 void get_sys_info ( sys_info_t * ); 629 # if defined(CONFIG_OF_LIBFDT) 630 void ft_fixup_cpu(void *, u64); 631 void ft_fixup_num_cores(void *); 632 # endif 633 #endif 634 #if defined(CONFIG_MPC86xx) 635 typedef MPC86xx_SYS_INFO sys_info_t; 636 void get_sys_info ( sys_info_t * ); 637 static inline ulong get_ddr_freq(ulong dummy) 638 { 639 return get_bus_freq(dummy); 640 } 641 #else 642 ulong get_ddr_freq(ulong); 643 #endif 644 645 #if defined(CONFIG_4xx) 646 # if defined(CONFIG_440) 647 # if defined(CONFIG_440SPE) 648 unsigned long determine_sysper(void); 649 unsigned long determine_pci_clock_per(void); 650 # endif 651 # endif 652 typedef PPC4xx_SYS_INFO sys_info_t; 653 int ppc440spe_revB(void); 654 void get_sys_info ( sys_info_t * ); 655 #endif 656 657 /* $(CPU)/cpu_init.c */ 658 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 659 void cpu_init_f (volatile immap_t *immr); 660 #endif 661 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 662 void cpu_init_f (void); 663 #endif 664 #ifdef CONFIG_MPC85xx 665 ulong cpu_init_f(void); 666 #endif 667 668 int cpu_init_r (void); 669 #if defined(CONFIG_MPC8260) 670 int prt_8260_rsr (void); 671 #elif defined(CONFIG_MPC83xx) 672 int prt_83xx_rsr (void); 673 #endif 674 675 /* $(CPU)/interrupts.c */ 676 int interrupt_init (void); 677 void timer_interrupt (struct pt_regs *); 678 void external_interrupt (struct pt_regs *); 679 void irq_install_handler(int, interrupt_handler_t *, void *); 680 void irq_free_handler (int); 681 void reset_timer (void); 682 ulong get_timer (ulong base); 683 684 /* Return value of monotonic microsecond timer */ 685 unsigned long timer_get_us(void); 686 687 void enable_interrupts (void); 688 int disable_interrupts (void); 689 690 /* $(CPU)/.../commproc.c */ 691 int dpram_init (void); 692 uint dpram_base(void); 693 uint dpram_base_align(uint align); 694 uint dpram_alloc(uint size); 695 uint dpram_alloc_align(uint size,uint align); 696 void bootcount_store (ulong); 697 ulong bootcount_load (void); 698 #define BOOTCOUNT_MAGIC 0xB001C041 699 700 /* $(CPU)/.../<eth> */ 701 void mii_init (void); 702 703 /* $(CPU)/.../lcd.c */ 704 ulong lcd_setmem (ulong); 705 706 /* $(CPU)/.../video.c */ 707 ulong video_setmem (ulong); 708 709 /* arch/$(ARCH)/lib/cache.c */ 710 void enable_caches(void); 711 void flush_cache (unsigned long, unsigned long); 712 void flush_dcache_all(void); 713 void flush_dcache_range(unsigned long start, unsigned long stop); 714 void invalidate_dcache_range(unsigned long start, unsigned long stop); 715 void invalidate_dcache_all(void); 716 void invalidate_icache_all(void); 717 718 /* arch/$(ARCH)/lib/ticks.S */ 719 uint64_t get_ticks(void); 720 void wait_ticks (unsigned long); 721 722 /* arch/$(ARCH)/lib/time.c */ 723 void __udelay (unsigned long); 724 ulong usec2ticks (unsigned long usec); 725 ulong ticks2usec (unsigned long ticks); 726 int init_timebase (void); 727 728 /* lib/gunzip.c */ 729 int gunzip(void *, int, unsigned char *, unsigned long *); 730 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 731 int stoponerr, int offset); 732 733 /* lib/qsort.c */ 734 void qsort(void *base, size_t nmemb, size_t size, 735 int(*compar)(const void *, const void *)); 736 int strcmp_compar(const void *, const void *); 737 738 /* lib/time.c */ 739 void udelay (unsigned long); 740 void mdelay(unsigned long); 741 742 /* lib/uuid.c */ 743 #include <uuid.h> 744 745 /* lib/vsprintf.c */ 746 #include <vsprintf.h> 747 748 /* lib/strmhz.c */ 749 char * strmhz(char *buf, unsigned long hz); 750 751 /* lib/crc32.c */ 752 #include <u-boot/crc.h> 753 754 /* lib/rand.c */ 755 #define RAND_MAX -1U 756 void srand(unsigned int seed); 757 unsigned int rand(void); 758 unsigned int rand_r(unsigned int *seedp); 759 760 /* common/console.c */ 761 int console_init_f(void); /* Before relocation; uses the serial stuff */ 762 int console_init_r(void); /* After relocation; uses the console stuff */ 763 int console_assign(int file, const char *devname); /* Assign the console */ 764 int ctrlc (void); 765 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 766 void clear_ctrlc (void); /* clear the Control-C condition */ 767 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 768 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 769 /* 770 * STDIO based functions (can always be used) 771 */ 772 /* serial stuff */ 773 int serial_printf (const char *fmt, ...) 774 __attribute__ ((format (__printf__, 1, 2))); 775 /* stdin */ 776 int getc(void); 777 int tstc(void); 778 779 /* stdout */ 780 void putc(const char c); 781 void puts(const char *s); 782 int printf(const char *fmt, ...) 783 __attribute__ ((format (__printf__, 1, 2))); 784 int vprintf(const char *fmt, va_list args); 785 786 /* stderr */ 787 #define eputc(c) fputc(stderr, c) 788 #define eputs(s) fputs(stderr, s) 789 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 790 791 /* 792 * FILE based functions (can only be used AFTER relocation!) 793 */ 794 #define stdin 0 795 #define stdout 1 796 #define stderr 2 797 #define MAX_FILES 3 798 799 int fprintf(int file, const char *fmt, ...) 800 __attribute__ ((format (__printf__, 2, 3))); 801 void fputs(int file, const char *s); 802 void fputc(int file, const char c); 803 int ftstc(int file); 804 int fgetc(int file); 805 806 /* lib/gzip.c */ 807 int gzip(void *dst, unsigned long *lenp, 808 unsigned char *src, unsigned long srclen); 809 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 810 unsigned long srclen, int stoponerr, 811 int (*func)(unsigned long, unsigned long)); 812 813 /* lib/net_utils.c */ 814 #include <net.h> 815 static inline IPaddr_t getenv_IPaddr(char *var) 816 { 817 return string_to_ip(getenv(var)); 818 } 819 820 /* 821 * CONSOLE multiplexing. 822 */ 823 #ifdef CONFIG_CONSOLE_MUX 824 #include <iomux.h> 825 #endif 826 827 int pcmcia_init (void); 828 829 #ifdef CONFIG_STATUS_LED 830 # include <status_led.h> 831 #endif 832 833 #include <bootstage.h> 834 835 #ifdef CONFIG_SHOW_ACTIVITY 836 void show_activity(int arg); 837 #endif 838 839 /* Multicore arch functions */ 840 #ifdef CONFIG_MP 841 int cpu_status(int nr); 842 int cpu_reset(int nr); 843 int cpu_disable(int nr); 844 int cpu_release(int nr, int argc, char * const argv[]); 845 #endif 846 847 /* Define a null map_sysmem() if the architecture doesn't use it */ 848 # ifndef CONFIG_ARCH_MAP_SYSMEM 849 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 850 { 851 return (void *)(uintptr_t)paddr; 852 } 853 854 static inline void unmap_sysmem(const void *vaddr) 855 { 856 } 857 858 static inline phys_addr_t map_to_sysmem(const void *ptr) 859 { 860 return (phys_addr_t)(uintptr_t)ptr; 861 } 862 # endif 863 864 #endif /* __ASSEMBLY__ */ 865 866 #ifdef CONFIG_PPC 867 /* 868 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 869 * Otherwise might lead to compilation errors in assembler files. 870 */ 871 #include <asm/cache.h> 872 #endif 873 874 /* Put only stuff here that the assembler can digest */ 875 876 #ifdef CONFIG_POST 877 #define CONFIG_HAS_POST 878 #ifndef CONFIG_POST_ALT_LIST 879 #define CONFIG_POST_STD_LIST 880 #endif 881 #endif 882 883 #ifdef CONFIG_INIT_CRITICAL 884 #error CONFIG_INIT_CRITICAL is deprecated! 885 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 886 #endif 887 888 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 889 890 /* 891 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 892 * is used to align DMA buffers. 893 */ 894 #ifndef __ASSEMBLY__ 895 #include <asm/cache.h> 896 #endif 897 898 /* 899 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 900 * stack that meets the minimum architecture alignment requirements for DMA. 901 * Such a buffer is useful for DMA operations where flushing and invalidating 902 * the cache before and after a read and/or write operation is required for 903 * correct operations. 904 * 905 * When called the macro creates an array on the stack that is sized such 906 * that: 907 * 908 * 1) The beginning of the array can be advanced enough to be aligned. 909 * 910 * 2) The size of the aligned portion of the array is a multiple of the minimum 911 * architecture alignment required for DMA. 912 * 913 * 3) The aligned portion contains enough space for the original number of 914 * elements requested. 915 * 916 * The macro then creates a pointer to the aligned portion of this array and 917 * assigns to the pointer the address of the first element in the aligned 918 * portion of the array. 919 * 920 * Calling the macro as: 921 * 922 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 923 * 924 * Will result in something similar to saying: 925 * 926 * uint32_t buffer[1024]; 927 * 928 * The following differences exist: 929 * 930 * 1) The resulting buffer is guaranteed to be aligned to the value of 931 * ARCH_DMA_MINALIGN. 932 * 933 * 2) The buffer variable created by the macro is a pointer to the specified 934 * type, and NOT an array of the specified type. This can be very important 935 * if you want the address of the buffer, which you probably do, to pass it 936 * to the DMA hardware. The value of &buffer is different in the two cases. 937 * In the macro case it will be the address of the pointer, not the address 938 * of the space reserved for the buffer. However, in the second case it 939 * would be the address of the buffer. So if you are replacing hard coded 940 * stack buffers with this macro you need to make sure you remove the & from 941 * the locations where you are taking the address of the buffer. 942 * 943 * Note that the size parameter is the number of array elements to allocate, 944 * not the number of bytes. 945 * 946 * This macro can not be used outside of function scope, or for the creation 947 * of a function scoped static buffer. It can not be used to create a cache 948 * line aligned global buffer. 949 */ 950 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 951 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 952 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 953 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 954 + (align - 1)]; \ 955 \ 956 type *name = (type *) ALIGN((uintptr_t)__##name, align) 957 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 958 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 959 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 960 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 961 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 962 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 963 964 /* 965 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 966 * purpose is to allow allocating aligned buffers outside of function scope. 967 * Usage of this macro shall be avoided or used with extreme care! 968 */ 969 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 970 static char __##name[ALIGN(size * sizeof(type), align)] \ 971 __aligned(align); \ 972 \ 973 static type *name = (type *)__##name 974 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 975 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 976 977 /* Pull in stuff for the build system */ 978 #ifdef DO_DEPS_ONLY 979 # include <environment.h> 980 #endif 981 982 #endif /* __COMMON_H_ */ 983