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_X86 77 #define asmlinkage __attribute__((regparm(0))) 78 #endif 79 #ifdef CONFIG_BLACKFIN 80 #include <asm/blackfin.h> 81 #endif 82 #ifdef CONFIG_SOC_DA8XX 83 #include <asm/arch/hardware.h> 84 #endif 85 86 #include <part.h> 87 #include <flash.h> 88 #include <image.h> 89 90 /* Bring in printf format macros if inttypes.h is included */ 91 #define __STDC_FORMAT_MACROS 92 93 #ifdef __LP64__ 94 #define CONFIG_SYS_SUPPORT_64BIT_DATA 95 #endif 96 97 #ifdef DEBUG 98 #define _DEBUG 1 99 #else 100 #define _DEBUG 0 101 #endif 102 103 #ifndef pr_fmt 104 #define pr_fmt(fmt) fmt 105 #endif 106 107 /* 108 * Output a debug text when condition "cond" is met. The "cond" should be 109 * computed by a preprocessor in the best case, allowing for the best 110 * optimization. 111 */ 112 #define debug_cond(cond, fmt, args...) \ 113 do { \ 114 if (cond) \ 115 printf(pr_fmt(fmt), ##args); \ 116 } while (0) 117 118 #define debug(fmt, args...) \ 119 debug_cond(_DEBUG, fmt, ##args) 120 121 /* 122 * An assertion is run-time check done in debug mode only. If DEBUG is not 123 * defined then it is skipped. If DEBUG is defined and the assertion fails, 124 * then it calls panic*( which may or may not reset/halt U-Boot (see 125 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 126 * before release, and after release it is hoped that they don't matter. But 127 * in any case these failing assertions cannot be fixed with a reset (which 128 * may just do the same assertion again). 129 */ 130 void __assert_fail(const char *assertion, const char *file, unsigned line, 131 const char *function); 132 #define assert(x) \ 133 ({ if (!(x) && _DEBUG) \ 134 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 135 136 #define error(fmt, args...) do { \ 137 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 138 ##args, __FILE__, __LINE__, __func__); \ 139 } while (0) 140 141 #ifndef BUG 142 #define BUG() do { \ 143 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 144 panic("BUG!"); \ 145 } while (0) 146 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 147 #endif /* BUG */ 148 149 /* Force a compilation error if condition is true */ 150 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 151 152 typedef void (interrupt_handler_t)(void *); 153 154 #include <asm/u-boot.h> /* boot information for Linux kernel */ 155 #include <asm/global_data.h> /* global data used for startup functions */ 156 157 /* 158 * enable common handling for all TQM8xxL/M boards: 159 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 160 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 161 * and for the TQM885D board 162 */ 163 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 164 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 165 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 166 # ifndef CONFIG_TQM8xxM 167 # define CONFIG_TQM8xxM 168 # endif 169 #endif 170 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 171 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 172 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 173 defined(CONFIG_TQM885D) 174 # ifndef CONFIG_TQM8xxL 175 # define CONFIG_TQM8xxL 176 # endif 177 #endif 178 179 #if defined(CONFIG_ENV_IS_EMBEDDED) 180 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 181 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 182 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 183 defined(CONFIG_ENV_IS_IN_NVRAM) 184 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 185 #else 186 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 187 #endif 188 189 /* 190 * Function Prototypes 191 */ 192 193 void hang (void) __attribute__ ((noreturn)); 194 195 int timer_init(void); 196 int cpu_init(void); 197 198 /* */ 199 phys_size_t initdram (int); 200 int display_options (void); 201 202 /** 203 * print_size() - Print a size with a suffic 204 * 205 * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", 206 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string 207 * (like "\n") 208 * 209 * @size: Size to print 210 * @suffix String to print after the size 211 */ 212 void print_size(uint64_t size, const char *suffix); 213 214 int print_buffer(ulong addr, const void *data, uint width, uint count, 215 uint linelen); 216 217 /* common/main.c */ 218 void main_loop (void); 219 int run_command(const char *cmd, int flag); 220 int run_command_repeatable(const char *cmd, int flag); 221 222 /** 223 * Run a list of commands separated by ; or even \0 224 * 225 * Note that if 'len' is not -1, then the command does not need to be nul 226 * terminated, Memory will be allocated for the command in that case. 227 * 228 * @param cmd List of commands to run, each separated bu semicolon 229 * @param len Length of commands excluding terminator if known (-1 if not) 230 * @param flag Execution flags (CMD_FLAG_...) 231 * @return 0 on success, or != 0 on error. 232 */ 233 int run_command_list(const char *cmd, int len, int flag); 234 extern char console_buffer[]; 235 236 /* arch/$(ARCH)/lib/board.c */ 237 void board_init_f(ulong); 238 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 239 int checkboard (void); 240 int checkflash (void); 241 int checkdram (void); 242 int last_stage_init(void); 243 extern ulong monitor_flash_len; 244 int mac_read_from_eeprom(void); 245 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 246 int set_cpu_clk_info(void); 247 int mdm_init(void); 248 #if defined(CONFIG_DISPLAY_CPUINFO) 249 int print_cpuinfo(void); 250 #else 251 static inline int print_cpuinfo(void) 252 { 253 return 0; 254 } 255 #endif 256 int update_flash_size(int flash_size); 257 int arch_early_init_r(void); 258 259 /** 260 * Show the DRAM size in a board-specific way 261 * 262 * This is used by boards to display DRAM information in their own way. 263 * 264 * @param size Size of DRAM (which should be displayed along with other info) 265 */ 266 void board_show_dram(ulong size); 267 268 /** 269 * arch_fixup_fdt() - Write arch-specific information to fdt 270 * 271 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 272 * 273 * @blob: FDT blob to write to 274 * @return 0 if ok, or -ve FDT_ERR_... on failure 275 */ 276 int arch_fixup_fdt(void *blob); 277 278 /* common/flash.c */ 279 void flash_perror (int); 280 281 /* common/cmd_source.c */ 282 int source (ulong addr, const char *fit_uname); 283 284 extern ulong load_addr; /* Default Load Address */ 285 extern ulong save_addr; /* Default Save Address */ 286 extern ulong save_size; /* Default Save Size */ 287 288 /* common/cmd_doc.c */ 289 void doc_probe(unsigned long physadr); 290 291 /* common/cmd_net.c */ 292 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 293 294 /* common/cmd_fat.c */ 295 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 296 297 /* common/cmd_ext2.c */ 298 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 299 300 /* common/cmd_nvedit.c */ 301 int env_init (void); 302 void env_relocate (void); 303 int envmatch (uchar *, int); 304 305 /* Avoid unfortunate conflict with libc's getenv() */ 306 #ifdef CONFIG_SANDBOX 307 #define getenv uboot_getenv 308 #endif 309 char *getenv (const char *); 310 int getenv_f (const char *name, char *buf, unsigned len); 311 ulong getenv_ulong(const char *name, int base, ulong default_val); 312 313 /** 314 * getenv_hex() - Return an environment variable as a hex value 315 * 316 * Decode an environment as a hex number (it may or may not have a 0x 317 * prefix). If the environment variable cannot be found, or does not start 318 * with hex digits, the default value is returned. 319 * 320 * @varname: Variable to decode 321 * @default_val: Value to return on error 322 */ 323 ulong getenv_hex(const char *varname, ulong default_val); 324 325 /* 326 * Read an environment variable as a boolean 327 * Return -1 if variable does not exist (default to true) 328 */ 329 int getenv_yesno(const char *var); 330 int saveenv (void); 331 int setenv (const char *, const char *); 332 int setenv_ulong(const char *varname, ulong value); 333 int setenv_hex(const char *varname, ulong value); 334 /** 335 * setenv_addr - Set an environment variable to an address in hex 336 * 337 * @varname: Environment variable to set 338 * @addr: Value to set it to 339 * @return 0 if ok, 1 on error 340 */ 341 static inline int setenv_addr(const char *varname, const void *addr) 342 { 343 return setenv_hex(varname, (ulong)addr); 344 } 345 346 #ifdef CONFIG_ARM 347 # include <asm/mach-types.h> 348 # include <asm/setup.h> 349 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 350 #endif /* CONFIG_ARM */ 351 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 352 # include <asm/u-boot-x86.h> 353 #endif /* CONFIG_X86 */ 354 #ifdef CONFIG_SANDBOX 355 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 356 #endif 357 #ifdef CONFIG_NDS32 358 # include <asm/mach-types.h> 359 # include <asm/setup.h> 360 # include <asm/u-boot-nds32.h> 361 #endif /* CONFIG_NDS32 */ 362 #ifdef CONFIG_MIPS 363 # include <asm/u-boot-mips.h> 364 #endif /* CONFIG_MIPS */ 365 #ifdef CONFIG_ARC 366 # include <asm/u-boot-arc.h> 367 #endif /* CONFIG_ARC */ 368 369 #ifdef CONFIG_AUTO_COMPLETE 370 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 371 #endif 372 int get_env_id (void); 373 374 void pci_init (void); 375 void pci_init_board(void); 376 void pciinfo (int, int); 377 378 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 379 int pci_pre_init (struct pci_controller *); 380 int is_pci_host (struct pci_controller *); 381 #endif 382 383 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 384 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 385 void pci_target_init (struct pci_controller *); 386 # endif 387 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 388 void pci_master_init (struct pci_controller *); 389 # endif 390 #if defined(CONFIG_440SPE) || \ 391 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 392 defined(CONFIG_405EX) 393 void pcie_setup_hoses(int busno); 394 #endif 395 #endif 396 397 int misc_init_f (void); 398 int misc_init_r (void); 399 400 /* common/exports.c */ 401 void jumptable_init(void); 402 403 /* common/kallsysm.c */ 404 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 405 406 /* api/api.c */ 407 void api_init (void); 408 409 /* common/memsize.c */ 410 long get_ram_size (long *, long); 411 phys_size_t get_effective_memsize(void); 412 413 /* $(BOARD)/$(BOARD).c */ 414 void reset_phy (void); 415 void fdc_hw_init (void); 416 417 /* $(BOARD)/eeprom.c */ 418 void eeprom_init (void); 419 #ifndef CONFIG_SPI 420 int eeprom_probe (unsigned dev_addr, unsigned offset); 421 #endif 422 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 423 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 424 #ifdef CONFIG_LWMON 425 extern uchar pic_read (uchar reg); 426 extern void pic_write (uchar reg, uchar val); 427 #endif 428 429 /* 430 * Set this up regardless of board 431 * type, to prevent errors. 432 */ 433 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 434 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 435 #else 436 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 437 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 438 #endif 439 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 440 441 #if defined(CONFIG_SPI) 442 extern void spi_init_f (void); 443 extern void spi_init_r (void); 444 extern ssize_t spi_read (uchar *, int, uchar *, int); 445 extern ssize_t spi_write (uchar *, int, uchar *, int); 446 #endif 447 448 #ifdef CONFIG_EVB64260 449 void evb64260_init(void); 450 void debug_led(int, int); 451 void display_mem_map(void); 452 void perform_soft_reset(void); 453 #endif 454 455 /* $(BOARD)/$(BOARD).c */ 456 int board_early_init_f (void); 457 int board_late_init (void); 458 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 459 int board_early_init_r (void); 460 void board_poweroff (void); 461 462 #if defined(CONFIG_SYS_DRAM_TEST) 463 int testdram(void); 464 #endif /* CONFIG_SYS_DRAM_TEST */ 465 466 /* $(CPU)/start.S */ 467 #if defined(CONFIG_5xx) || \ 468 defined(CONFIG_8xx) 469 uint get_immr (uint); 470 #endif 471 uint get_pir (void); 472 #if defined(CONFIG_MPC5xxx) 473 uint get_svr (void); 474 #endif 475 uint get_pvr (void); 476 uint get_svr (void); 477 uint rd_ic_cst (void); 478 void wr_ic_cst (uint); 479 void wr_ic_adr (uint); 480 uint rd_dc_cst (void); 481 void wr_dc_cst (uint); 482 void wr_dc_adr (uint); 483 int icache_status (void); 484 void icache_enable (void); 485 void icache_disable(void); 486 int dcache_status (void); 487 void dcache_enable (void); 488 void dcache_disable(void); 489 void mmu_disable(void); 490 #if defined(CONFIG_ARM) 491 void relocate_code(ulong); 492 #else 493 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 494 #endif 495 ulong get_endaddr (void); 496 void trap_init (ulong); 497 #if defined (CONFIG_4xx) || \ 498 defined (CONFIG_MPC5xxx) || \ 499 defined (CONFIG_74xx_7xx) || \ 500 defined (CONFIG_74x) || \ 501 defined (CONFIG_75x) || \ 502 defined (CONFIG_74xx) || \ 503 defined (CONFIG_MPC85xx) || \ 504 defined (CONFIG_MPC86xx) || \ 505 defined (CONFIG_MPC83xx) 506 unsigned char in8(unsigned int); 507 void out8(unsigned int, unsigned char); 508 unsigned short in16(unsigned int); 509 unsigned short in16r(unsigned int); 510 void out16(unsigned int, unsigned short value); 511 void out16r(unsigned int, unsigned short value); 512 unsigned long in32(unsigned int); 513 unsigned long in32r(unsigned int); 514 void out32(unsigned int, unsigned long value); 515 void out32r(unsigned int, unsigned long value); 516 void ppcDcbf(unsigned long value); 517 void ppcDcbi(unsigned long value); 518 void ppcSync(void); 519 void ppcDcbz(unsigned long value); 520 #endif 521 #if defined (CONFIG_MICROBLAZE) 522 unsigned short in16(unsigned int); 523 void out16(unsigned int, unsigned short value); 524 #endif 525 526 #if defined (CONFIG_MPC83xx) 527 void ppcDWload(unsigned int *addr, unsigned int *ret); 528 void ppcDWstore(unsigned int *addr, unsigned int *value); 529 void disable_addr_trans(void); 530 void enable_addr_trans(void); 531 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 532 void ddr_enable_ecc(unsigned int dram_size); 533 #endif 534 #endif 535 536 /* 537 * Return the current value of a monotonically increasing microsecond timer. 538 * Granularity may be larger than 1us if hardware does not support this. 539 */ 540 ulong timer_get_us(void); 541 542 /* $(CPU)/cpu.c */ 543 static inline int cpumask_next(int cpu, unsigned int mask) 544 { 545 for (cpu++; !((1 << cpu) & mask); cpu++) 546 ; 547 548 return cpu; 549 } 550 551 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 552 for (iter = 0, cpu = cpumask_next(-1, mask); \ 553 iter < num_cpus; \ 554 iter++, cpu = cpumask_next(cpu, mask)) \ 555 556 int cpu_numcores (void); 557 u32 cpu_mask (void); 558 int is_core_valid (unsigned int); 559 int probecpu (void); 560 int checkcpu (void); 561 int checkicache (void); 562 int checkdcache (void); 563 void upmconfig (unsigned int, unsigned int *, unsigned int); 564 ulong get_tbclk (void); 565 void reset_misc (void); 566 void reset_cpu (ulong addr); 567 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 568 void ft_cpu_setup(void *blob, bd_t *bd); 569 #ifdef CONFIG_PCI 570 void ft_pci_setup(void *blob, bd_t *bd); 571 #endif 572 #endif 573 574 void smp_set_core_boot_addr(unsigned long addr, int corenr); 575 void smp_kick_all_cpus(void); 576 577 /* $(CPU)/serial.c */ 578 int serial_init (void); 579 void serial_setbrg (void); 580 void serial_putc (const char); 581 void serial_putc_raw(const char); 582 void serial_puts (const char *); 583 int serial_getc (void); 584 int serial_tstc (void); 585 586 /* These versions take a stdio_dev pointer */ 587 struct stdio_dev; 588 int serial_stub_getc(struct stdio_dev *sdev); 589 int serial_stub_tstc(struct stdio_dev *sdev); 590 591 /* $(CPU)/speed.c */ 592 int get_clocks (void); 593 int get_clocks_866 (void); 594 int sdram_adjust_866 (void); 595 int adjust_sdram_tbs_8xx (void); 596 #if defined(CONFIG_MPC8260) 597 int prt_8260_clks (void); 598 #elif defined(CONFIG_MPC5xxx) 599 int prt_mpc5xxx_clks (void); 600 #endif 601 #ifdef CONFIG_4xx 602 ulong get_OPB_freq (void); 603 ulong get_PCI_freq (void); 604 #endif 605 #if defined(CONFIG_S3C24X0) || \ 606 defined(CONFIG_LH7A40X) || \ 607 defined(CONFIG_EP93XX) 608 ulong get_FCLK (void); 609 ulong get_HCLK (void); 610 ulong get_PCLK (void); 611 ulong get_UCLK (void); 612 #endif 613 #if defined(CONFIG_LH7A40X) 614 ulong get_PLLCLK (void); 615 #endif 616 #if defined(CONFIG_IMX) 617 ulong get_systemPLLCLK(void); 618 ulong get_FCLK(void); 619 ulong get_HCLK(void); 620 ulong get_BCLK(void); 621 ulong get_PERCLK1(void); 622 ulong get_PERCLK2(void); 623 ulong get_PERCLK3(void); 624 #endif 625 ulong get_bus_freq (ulong); 626 int get_serial_clock(void); 627 628 #if defined(CONFIG_MPC85xx) 629 typedef MPC85xx_SYS_INFO sys_info_t; 630 void get_sys_info ( sys_info_t * ); 631 # if defined(CONFIG_OF_LIBFDT) 632 void ft_fixup_cpu(void *, u64); 633 void ft_fixup_num_cores(void *); 634 # endif 635 #endif 636 #if defined(CONFIG_MPC86xx) 637 typedef MPC86xx_SYS_INFO sys_info_t; 638 void get_sys_info ( sys_info_t * ); 639 static inline ulong get_ddr_freq(ulong dummy) 640 { 641 return get_bus_freq(dummy); 642 } 643 #else 644 ulong get_ddr_freq(ulong); 645 #endif 646 647 #if defined(CONFIG_4xx) 648 # if defined(CONFIG_440) 649 # if defined(CONFIG_440SPE) 650 unsigned long determine_sysper(void); 651 unsigned long determine_pci_clock_per(void); 652 # endif 653 # endif 654 typedef PPC4xx_SYS_INFO sys_info_t; 655 int ppc440spe_revB(void); 656 void get_sys_info ( sys_info_t * ); 657 #endif 658 659 /* $(CPU)/cpu_init.c */ 660 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 661 void cpu_init_f (volatile immap_t *immr); 662 #endif 663 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 664 void cpu_init_f (void); 665 #endif 666 #ifdef CONFIG_MPC85xx 667 ulong cpu_init_f(void); 668 #endif 669 670 int cpu_init_r (void); 671 #if defined(CONFIG_MPC8260) 672 int prt_8260_rsr (void); 673 #elif defined(CONFIG_MPC83xx) 674 int prt_83xx_rsr (void); 675 #endif 676 677 /* $(CPU)/interrupts.c */ 678 int interrupt_init (void); 679 void timer_interrupt (struct pt_regs *); 680 void external_interrupt (struct pt_regs *); 681 void irq_install_handler(int, interrupt_handler_t *, void *); 682 void irq_free_handler (int); 683 void reset_timer (void); 684 ulong get_timer (ulong base); 685 686 /* Return value of monotonic microsecond timer */ 687 unsigned long timer_get_us(void); 688 689 void enable_interrupts (void); 690 int disable_interrupts (void); 691 692 /* $(CPU)/.../commproc.c */ 693 int dpram_init (void); 694 uint dpram_base(void); 695 uint dpram_base_align(uint align); 696 uint dpram_alloc(uint size); 697 uint dpram_alloc_align(uint size,uint align); 698 void bootcount_store (ulong); 699 ulong bootcount_load (void); 700 #define BOOTCOUNT_MAGIC 0xB001C041 701 702 /* $(CPU)/.../<eth> */ 703 void mii_init (void); 704 705 /* $(CPU)/.../lcd.c */ 706 ulong lcd_setmem (ulong); 707 708 /* $(CPU)/.../video.c */ 709 ulong video_setmem (ulong); 710 711 /* arch/$(ARCH)/lib/cache.c */ 712 void enable_caches(void); 713 void flush_cache (unsigned long, unsigned long); 714 void flush_dcache_all(void); 715 void flush_dcache_range(unsigned long start, unsigned long stop); 716 void invalidate_dcache_range(unsigned long start, unsigned long stop); 717 void invalidate_dcache_all(void); 718 void invalidate_icache_all(void); 719 720 /* arch/$(ARCH)/lib/ticks.S */ 721 uint64_t get_ticks(void); 722 void wait_ticks (unsigned long); 723 724 /* arch/$(ARCH)/lib/time.c */ 725 void __udelay (unsigned long); 726 ulong usec2ticks (unsigned long usec); 727 ulong ticks2usec (unsigned long ticks); 728 int init_timebase (void); 729 730 /* lib/gunzip.c */ 731 int gunzip(void *, int, unsigned char *, unsigned long *); 732 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 733 int stoponerr, int offset); 734 735 /* lib/qsort.c */ 736 void qsort(void *base, size_t nmemb, size_t size, 737 int(*compar)(const void *, const void *)); 738 int strcmp_compar(const void *, const void *); 739 740 /* lib/time.c */ 741 void udelay (unsigned long); 742 void mdelay(unsigned long); 743 744 /* lib/uuid.c */ 745 #include <uuid.h> 746 747 /* lib/vsprintf.c */ 748 #include <vsprintf.h> 749 750 /* lib/strmhz.c */ 751 char * strmhz(char *buf, unsigned long hz); 752 753 /* lib/crc32.c */ 754 #include <u-boot/crc.h> 755 756 /* lib/rand.c */ 757 #define RAND_MAX -1U 758 void srand(unsigned int seed); 759 unsigned int rand(void); 760 unsigned int rand_r(unsigned int *seedp); 761 762 /* common/console.c */ 763 int console_init_f(void); /* Before relocation; uses the serial stuff */ 764 int console_init_r(void); /* After relocation; uses the console stuff */ 765 int console_assign(int file, const char *devname); /* Assign the console */ 766 int ctrlc (void); 767 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 768 void clear_ctrlc (void); /* clear the Control-C condition */ 769 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 770 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 771 /* 772 * STDIO based functions (can always be used) 773 */ 774 /* serial stuff */ 775 int serial_printf (const char *fmt, ...) 776 __attribute__ ((format (__printf__, 1, 2))); 777 /* stdin */ 778 int getc(void); 779 int tstc(void); 780 781 /* stdout */ 782 void putc(const char c); 783 void puts(const char *s); 784 int printf(const char *fmt, ...) 785 __attribute__ ((format (__printf__, 1, 2))); 786 int vprintf(const char *fmt, va_list args); 787 788 /* stderr */ 789 #define eputc(c) fputc(stderr, c) 790 #define eputs(s) fputs(stderr, s) 791 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 792 793 /* 794 * FILE based functions (can only be used AFTER relocation!) 795 */ 796 #define stdin 0 797 #define stdout 1 798 #define stderr 2 799 #define MAX_FILES 3 800 801 int fprintf(int file, const char *fmt, ...) 802 __attribute__ ((format (__printf__, 2, 3))); 803 void fputs(int file, const char *s); 804 void fputc(int file, const char c); 805 int ftstc(int file); 806 int fgetc(int file); 807 808 /* lib/gzip.c */ 809 int gzip(void *dst, unsigned long *lenp, 810 unsigned char *src, unsigned long srclen); 811 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 812 unsigned long srclen, int stoponerr, 813 int (*func)(unsigned long, unsigned long)); 814 815 /* lib/net_utils.c */ 816 #include <net.h> 817 static inline IPaddr_t getenv_IPaddr(char *var) 818 { 819 return string_to_ip(getenv(var)); 820 } 821 822 /* 823 * CONSOLE multiplexing. 824 */ 825 #ifdef CONFIG_CONSOLE_MUX 826 #include <iomux.h> 827 #endif 828 829 int pcmcia_init (void); 830 831 #ifdef CONFIG_STATUS_LED 832 # include <status_led.h> 833 #endif 834 835 #include <bootstage.h> 836 837 #ifdef CONFIG_SHOW_ACTIVITY 838 void show_activity(int arg); 839 #endif 840 841 /* Multicore arch functions */ 842 #ifdef CONFIG_MP 843 int cpu_status(int nr); 844 int cpu_reset(int nr); 845 int cpu_disable(int nr); 846 int cpu_release(int nr, int argc, char * const argv[]); 847 #endif 848 849 /* Define a null map_sysmem() if the architecture doesn't use it */ 850 # ifndef CONFIG_ARCH_MAP_SYSMEM 851 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 852 { 853 return (void *)(uintptr_t)paddr; 854 } 855 856 static inline void unmap_sysmem(const void *vaddr) 857 { 858 } 859 860 static inline phys_addr_t map_to_sysmem(const void *ptr) 861 { 862 return (phys_addr_t)(uintptr_t)ptr; 863 } 864 # endif 865 866 #endif /* __ASSEMBLY__ */ 867 868 #ifdef CONFIG_PPC 869 /* 870 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 871 * Otherwise might lead to compilation errors in assembler files. 872 */ 873 #include <asm/cache.h> 874 #endif 875 876 /* Put only stuff here that the assembler can digest */ 877 878 #ifdef CONFIG_POST 879 #define CONFIG_HAS_POST 880 #ifndef CONFIG_POST_ALT_LIST 881 #define CONFIG_POST_STD_LIST 882 #endif 883 #endif 884 885 #ifdef CONFIG_INIT_CRITICAL 886 #error CONFIG_INIT_CRITICAL is deprecated! 887 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 888 #endif 889 890 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 891 892 /* 893 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 894 * is used to align DMA buffers. 895 */ 896 #ifndef __ASSEMBLY__ 897 #include <asm/cache.h> 898 #endif 899 900 /* 901 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 902 * stack that meets the minimum architecture alignment requirements for DMA. 903 * Such a buffer is useful for DMA operations where flushing and invalidating 904 * the cache before and after a read and/or write operation is required for 905 * correct operations. 906 * 907 * When called the macro creates an array on the stack that is sized such 908 * that: 909 * 910 * 1) The beginning of the array can be advanced enough to be aligned. 911 * 912 * 2) The size of the aligned portion of the array is a multiple of the minimum 913 * architecture alignment required for DMA. 914 * 915 * 3) The aligned portion contains enough space for the original number of 916 * elements requested. 917 * 918 * The macro then creates a pointer to the aligned portion of this array and 919 * assigns to the pointer the address of the first element in the aligned 920 * portion of the array. 921 * 922 * Calling the macro as: 923 * 924 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 925 * 926 * Will result in something similar to saying: 927 * 928 * uint32_t buffer[1024]; 929 * 930 * The following differences exist: 931 * 932 * 1) The resulting buffer is guaranteed to be aligned to the value of 933 * ARCH_DMA_MINALIGN. 934 * 935 * 2) The buffer variable created by the macro is a pointer to the specified 936 * type, and NOT an array of the specified type. This can be very important 937 * if you want the address of the buffer, which you probably do, to pass it 938 * to the DMA hardware. The value of &buffer is different in the two cases. 939 * In the macro case it will be the address of the pointer, not the address 940 * of the space reserved for the buffer. However, in the second case it 941 * would be the address of the buffer. So if you are replacing hard coded 942 * stack buffers with this macro you need to make sure you remove the & from 943 * the locations where you are taking the address of the buffer. 944 * 945 * Note that the size parameter is the number of array elements to allocate, 946 * not the number of bytes. 947 * 948 * This macro can not be used outside of function scope, or for the creation 949 * of a function scoped static buffer. It can not be used to create a cache 950 * line aligned global buffer. 951 */ 952 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 953 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 954 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 955 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 956 + (align - 1)]; \ 957 \ 958 type *name = (type *) ALIGN((uintptr_t)__##name, align) 959 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 960 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 961 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 962 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 963 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 964 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 965 966 /* 967 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 968 * purpose is to allow allocating aligned buffers outside of function scope. 969 * Usage of this macro shall be avoided or used with extreme care! 970 */ 971 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 972 static char __##name[ALIGN(size * sizeof(type), align)] \ 973 __aligned(align); \ 974 \ 975 static type *name = (type *)__##name 976 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 977 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 978 979 /* Pull in stuff for the build system */ 980 #ifdef DO_DEPS_ONLY 981 # include <environment.h> 982 #endif 983 984 #endif /* __COMMON_H_ */ 985