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 #ifndef pr_fmt 101 #define pr_fmt(fmt) fmt 102 #endif 103 104 /* 105 * Output a debug text when condition "cond" is met. The "cond" should be 106 * computed by a preprocessor in the best case, allowing for the best 107 * optimization. 108 */ 109 #define debug_cond(cond, fmt, args...) \ 110 do { \ 111 if (cond) \ 112 printf(pr_fmt(fmt), ##args); \ 113 } while (0) 114 115 #define debug(fmt, args...) \ 116 debug_cond(_DEBUG, fmt, ##args) 117 118 /* 119 * An assertion is run-time check done in debug mode only. If DEBUG is not 120 * defined then it is skipped. If DEBUG is defined and the assertion fails, 121 * then it calls panic*( which may or may not reset/halt U-Boot (see 122 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 123 * before release, and after release it is hoped that they don't matter. But 124 * in any case these failing assertions cannot be fixed with a reset (which 125 * may just do the same assertion again). 126 */ 127 void __assert_fail(const char *assertion, const char *file, unsigned line, 128 const char *function); 129 #define assert(x) \ 130 ({ if (!(x) && _DEBUG) \ 131 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 132 133 #define error(fmt, args...) do { \ 134 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 135 ##args, __FILE__, __LINE__, __func__); \ 136 } while (0) 137 138 #ifndef BUG 139 #define BUG() do { \ 140 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 141 panic("BUG!"); \ 142 } while (0) 143 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 144 #endif /* BUG */ 145 146 /* Force a compilation error if condition is true */ 147 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 148 149 typedef void (interrupt_handler_t)(void *); 150 151 #include <asm/u-boot.h> /* boot information for Linux kernel */ 152 #include <asm/global_data.h> /* global data used for startup functions */ 153 154 /* 155 * enable common handling for all TQM8xxL/M boards: 156 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 157 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 158 * and for the TQM885D board 159 */ 160 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 161 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 162 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 163 # ifndef CONFIG_TQM8xxM 164 # define CONFIG_TQM8xxM 165 # endif 166 #endif 167 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 168 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 169 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 170 defined(CONFIG_TQM885D) 171 # ifndef CONFIG_TQM8xxL 172 # define CONFIG_TQM8xxL 173 # endif 174 #endif 175 176 #if defined(CONFIG_ENV_IS_EMBEDDED) 177 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 178 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 179 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 180 defined(CONFIG_ENV_IS_IN_NVRAM) 181 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 182 #else 183 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 184 #endif 185 186 /* 187 * Function Prototypes 188 */ 189 190 void hang (void) __attribute__ ((noreturn)); 191 192 int timer_init(void); 193 int cpu_init(void); 194 195 /* */ 196 phys_size_t initdram (int); 197 int display_options (void); 198 199 /** 200 * print_size() - Print a size with a suffic 201 * 202 * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", 203 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string 204 * (like "\n") 205 * 206 * @size: Size to print 207 * @suffix String to print after the size 208 */ 209 void print_size(uint64_t size, const char *suffix); 210 211 int print_buffer(ulong addr, const void *data, uint width, uint count, 212 uint linelen); 213 214 /* common/main.c */ 215 void main_loop (void); 216 int run_command(const char *cmd, int flag); 217 int run_command_repeatable(const char *cmd, int flag); 218 219 /** 220 * Run a list of commands separated by ; or even \0 221 * 222 * Note that if 'len' is not -1, then the command does not need to be nul 223 * terminated, Memory will be allocated for the command in that case. 224 * 225 * @param cmd List of commands to run, each separated bu semicolon 226 * @param len Length of commands excluding terminator if known (-1 if not) 227 * @param flag Execution flags (CMD_FLAG_...) 228 * @return 0 on success, or != 0 on error. 229 */ 230 int run_command_list(const char *cmd, int len, int flag); 231 extern char console_buffer[]; 232 233 /* arch/$(ARCH)/lib/board.c */ 234 void board_init_f(ulong); 235 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn)); 236 int checkboard (void); 237 int checkflash (void); 238 int checkdram (void); 239 int last_stage_init(void); 240 extern ulong monitor_flash_len; 241 int mac_read_from_eeprom(void); 242 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 243 int set_cpu_clk_info(void); 244 int mdm_init(void); 245 #if defined(CONFIG_DISPLAY_CPUINFO) 246 int print_cpuinfo(void); 247 #else 248 static inline int print_cpuinfo(void) 249 { 250 return 0; 251 } 252 #endif 253 int update_flash_size(int flash_size); 254 int arch_early_init_r(void); 255 256 /** 257 * Show the DRAM size in a board-specific way 258 * 259 * This is used by boards to display DRAM information in their own way. 260 * 261 * @param size Size of DRAM (which should be displayed along with other info) 262 */ 263 void board_show_dram(ulong size); 264 265 /** 266 * arch_fixup_fdt() - Write arch-specific information to fdt 267 * 268 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 269 * 270 * @blob: FDT blob to write to 271 * @return 0 if ok, or -ve FDT_ERR_... on failure 272 */ 273 int arch_fixup_fdt(void *blob); 274 275 /* common/flash.c */ 276 void flash_perror (int); 277 278 /* common/cmd_source.c */ 279 int source (ulong addr, const char *fit_uname); 280 281 extern ulong load_addr; /* Default Load Address */ 282 extern ulong save_addr; /* Default Save Address */ 283 extern ulong save_size; /* Default Save Size */ 284 285 /* common/cmd_doc.c */ 286 void doc_probe(unsigned long physadr); 287 288 /* common/cmd_net.c */ 289 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 290 291 /* common/cmd_fat.c */ 292 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 293 294 /* common/cmd_ext2.c */ 295 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 296 297 /* common/cmd_nvedit.c */ 298 int env_init (void); 299 void env_relocate (void); 300 int envmatch (uchar *, int); 301 302 /* Avoid unfortunate conflict with libc's getenv() */ 303 #ifdef CONFIG_SANDBOX 304 #define getenv uboot_getenv 305 #endif 306 char *getenv (const char *); 307 int getenv_f (const char *name, char *buf, unsigned len); 308 ulong getenv_ulong(const char *name, int base, ulong default_val); 309 310 /** 311 * getenv_hex() - Return an environment variable as a hex value 312 * 313 * Decode an environment as a hex number (it may or may not have a 0x 314 * prefix). If the environment variable cannot be found, or does not start 315 * with hex digits, the default value is returned. 316 * 317 * @varname: Variable to decode 318 * @default_val: Value to return on error 319 */ 320 ulong getenv_hex(const char *varname, ulong default_val); 321 322 /* 323 * Read an environment variable as a boolean 324 * Return -1 if variable does not exist (default to true) 325 */ 326 int getenv_yesno(const char *var); 327 int saveenv (void); 328 int setenv (const char *, const char *); 329 int setenv_ulong(const char *varname, ulong value); 330 int setenv_hex(const char *varname, ulong value); 331 /** 332 * setenv_addr - Set an environment variable to an address in hex 333 * 334 * @varname: Environment variable to set 335 * @addr: Value to set it to 336 * @return 0 if ok, 1 on error 337 */ 338 static inline int setenv_addr(const char *varname, const void *addr) 339 { 340 return setenv_hex(varname, (ulong)addr); 341 } 342 343 #ifdef CONFIG_ARM 344 # include <asm/mach-types.h> 345 # include <asm/setup.h> 346 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 347 #endif /* CONFIG_ARM */ 348 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 349 # include <asm/u-boot-x86.h> 350 #endif /* CONFIG_X86 */ 351 #ifdef CONFIG_SANDBOX 352 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 353 #endif 354 #ifdef CONFIG_NDS32 355 # include <asm/mach-types.h> 356 # include <asm/setup.h> 357 # include <asm/u-boot-nds32.h> 358 #endif /* CONFIG_NDS32 */ 359 #ifdef CONFIG_MIPS 360 # include <asm/u-boot-mips.h> 361 #endif /* CONFIG_MIPS */ 362 #ifdef CONFIG_ARC 363 # include <asm/u-boot-arc.h> 364 #endif /* CONFIG_ARC */ 365 366 #ifdef CONFIG_AUTO_COMPLETE 367 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 368 #endif 369 int get_env_id (void); 370 371 void pci_init (void); 372 void pci_init_board(void); 373 void pciinfo (int, int); 374 375 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 376 int pci_pre_init (struct pci_controller *); 377 int is_pci_host (struct pci_controller *); 378 #endif 379 380 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 381 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 382 void pci_target_init (struct pci_controller *); 383 # endif 384 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 385 void pci_master_init (struct pci_controller *); 386 # endif 387 #if defined(CONFIG_440SPE) || \ 388 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 389 defined(CONFIG_405EX) 390 void pcie_setup_hoses(int busno); 391 #endif 392 #endif 393 394 int misc_init_f (void); 395 int misc_init_r (void); 396 397 /* common/exports.c */ 398 void jumptable_init(void); 399 400 /* common/kallsysm.c */ 401 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 402 403 /* api/api.c */ 404 void api_init (void); 405 406 /* common/memsize.c */ 407 long get_ram_size (long *, long); 408 phys_size_t get_effective_memsize(void); 409 410 /* $(BOARD)/$(BOARD).c */ 411 void reset_phy (void); 412 void fdc_hw_init (void); 413 414 /* $(BOARD)/eeprom.c */ 415 void eeprom_init (void); 416 #ifndef CONFIG_SPI 417 int eeprom_probe (unsigned dev_addr, unsigned offset); 418 #endif 419 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 420 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 421 #ifdef CONFIG_LWMON 422 extern uchar pic_read (uchar reg); 423 extern void pic_write (uchar reg, uchar val); 424 #endif 425 426 /* 427 * Set this up regardless of board 428 * type, to prevent errors. 429 */ 430 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 431 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 432 #else 433 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 434 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 435 #endif 436 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 437 438 #if defined(CONFIG_SPI) 439 extern void spi_init_f (void); 440 extern void spi_init_r (void); 441 extern ssize_t spi_read (uchar *, int, uchar *, int); 442 extern ssize_t spi_write (uchar *, int, uchar *, int); 443 #endif 444 445 #ifdef CONFIG_HERMES 446 /* $(BOARD)/hermes.c */ 447 void hermes_start_lxt980 (int speed); 448 #endif 449 450 #ifdef CONFIG_EVB64260 451 void evb64260_init(void); 452 void debug_led(int, int); 453 void display_mem_map(void); 454 void perform_soft_reset(void); 455 #endif 456 457 /* $(BOARD)/$(BOARD).c */ 458 int board_early_init_f (void); 459 int board_late_init (void); 460 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 461 int board_early_init_r (void); 462 void board_poweroff (void); 463 464 #if defined(CONFIG_SYS_DRAM_TEST) 465 int testdram(void); 466 #endif /* CONFIG_SYS_DRAM_TEST */ 467 468 /* $(CPU)/start.S */ 469 #if defined(CONFIG_5xx) || \ 470 defined(CONFIG_8xx) 471 uint get_immr (uint); 472 #endif 473 uint get_pir (void); 474 #if defined(CONFIG_MPC5xxx) 475 uint get_svr (void); 476 #endif 477 uint get_pvr (void); 478 uint get_svr (void); 479 uint rd_ic_cst (void); 480 void wr_ic_cst (uint); 481 void wr_ic_adr (uint); 482 uint rd_dc_cst (void); 483 void wr_dc_cst (uint); 484 void wr_dc_adr (uint); 485 int icache_status (void); 486 void icache_enable (void); 487 void icache_disable(void); 488 int dcache_status (void); 489 void dcache_enable (void); 490 void dcache_disable(void); 491 void mmu_disable(void); 492 #if defined(CONFIG_ARM) 493 void relocate_code(ulong); 494 #else 495 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 496 #endif 497 ulong get_endaddr (void); 498 void trap_init (ulong); 499 #if defined (CONFIG_4xx) || \ 500 defined (CONFIG_MPC5xxx) || \ 501 defined (CONFIG_74xx_7xx) || \ 502 defined (CONFIG_74x) || \ 503 defined (CONFIG_75x) || \ 504 defined (CONFIG_74xx) || \ 505 defined (CONFIG_MPC85xx) || \ 506 defined (CONFIG_MPC86xx) || \ 507 defined (CONFIG_MPC83xx) 508 unsigned char in8(unsigned int); 509 void out8(unsigned int, unsigned char); 510 unsigned short in16(unsigned int); 511 unsigned short in16r(unsigned int); 512 void out16(unsigned int, unsigned short value); 513 void out16r(unsigned int, unsigned short value); 514 unsigned long in32(unsigned int); 515 unsigned long in32r(unsigned int); 516 void out32(unsigned int, unsigned long value); 517 void out32r(unsigned int, unsigned long value); 518 void ppcDcbf(unsigned long value); 519 void ppcDcbi(unsigned long value); 520 void ppcSync(void); 521 void ppcDcbz(unsigned long value); 522 #endif 523 #if defined (CONFIG_MICROBLAZE) 524 unsigned short in16(unsigned int); 525 void out16(unsigned int, unsigned short value); 526 #endif 527 528 #if defined (CONFIG_MPC83xx) 529 void ppcDWload(unsigned int *addr, unsigned int *ret); 530 void ppcDWstore(unsigned int *addr, unsigned int *value); 531 void disable_addr_trans(void); 532 void enable_addr_trans(void); 533 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 534 void ddr_enable_ecc(unsigned int dram_size); 535 #endif 536 #endif 537 538 /* 539 * Return the current value of a monotonically increasing microsecond timer. 540 * Granularity may be larger than 1us if hardware does not support this. 541 */ 542 ulong timer_get_us(void); 543 544 /* $(CPU)/cpu.c */ 545 static inline int cpumask_next(int cpu, unsigned int mask) 546 { 547 for (cpu++; !((1 << cpu) & mask); cpu++) 548 ; 549 550 return cpu; 551 } 552 553 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 554 for (iter = 0, cpu = cpumask_next(-1, mask); \ 555 iter < num_cpus; \ 556 iter++, cpu = cpumask_next(cpu, mask)) \ 557 558 int cpu_numcores (void); 559 u32 cpu_mask (void); 560 int is_core_valid (unsigned int); 561 int probecpu (void); 562 int checkcpu (void); 563 int checkicache (void); 564 int checkdcache (void); 565 void upmconfig (unsigned int, unsigned int *, unsigned int); 566 ulong get_tbclk (void); 567 void reset_misc (void); 568 void reset_cpu (ulong addr); 569 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 570 void ft_cpu_setup(void *blob, bd_t *bd); 571 #ifdef CONFIG_PCI 572 void ft_pci_setup(void *blob, bd_t *bd); 573 #endif 574 #endif 575 576 void smp_set_core_boot_addr(unsigned long addr, int corenr); 577 void smp_kick_all_cpus(void); 578 579 /* $(CPU)/serial.c */ 580 int serial_init (void); 581 void serial_setbrg (void); 582 void serial_putc (const char); 583 void serial_putc_raw(const char); 584 void serial_puts (const char *); 585 int serial_getc (void); 586 int serial_tstc (void); 587 588 /* These versions take a stdio_dev pointer */ 589 struct stdio_dev; 590 int serial_stub_getc(struct stdio_dev *sdev); 591 int serial_stub_tstc(struct stdio_dev *sdev); 592 593 /* $(CPU)/speed.c */ 594 int get_clocks (void); 595 int get_clocks_866 (void); 596 int sdram_adjust_866 (void); 597 int adjust_sdram_tbs_8xx (void); 598 #if defined(CONFIG_MPC8260) 599 int prt_8260_clks (void); 600 #elif defined(CONFIG_MPC5xxx) 601 int prt_mpc5xxx_clks (void); 602 #endif 603 #ifdef CONFIG_4xx 604 ulong get_OPB_freq (void); 605 ulong get_PCI_freq (void); 606 #endif 607 #if defined(CONFIG_S3C24X0) || \ 608 defined(CONFIG_LH7A40X) || \ 609 defined(CONFIG_EP93XX) 610 ulong get_FCLK (void); 611 ulong get_HCLK (void); 612 ulong get_PCLK (void); 613 ulong get_UCLK (void); 614 #endif 615 #if defined(CONFIG_LH7A40X) 616 ulong get_PLLCLK (void); 617 #endif 618 #if defined(CONFIG_IMX) 619 ulong get_systemPLLCLK(void); 620 ulong get_FCLK(void); 621 ulong get_HCLK(void); 622 ulong get_BCLK(void); 623 ulong get_PERCLK1(void); 624 ulong get_PERCLK2(void); 625 ulong get_PERCLK3(void); 626 #endif 627 ulong get_bus_freq (ulong); 628 int get_serial_clock(void); 629 630 #if defined(CONFIG_MPC85xx) 631 typedef MPC85xx_SYS_INFO sys_info_t; 632 void get_sys_info ( sys_info_t * ); 633 # if defined(CONFIG_OF_LIBFDT) 634 void ft_fixup_cpu(void *, u64); 635 void ft_fixup_num_cores(void *); 636 # endif 637 #endif 638 #if defined(CONFIG_MPC86xx) 639 typedef MPC86xx_SYS_INFO sys_info_t; 640 void get_sys_info ( sys_info_t * ); 641 static inline ulong get_ddr_freq(ulong dummy) 642 { 643 return get_bus_freq(dummy); 644 } 645 #else 646 ulong get_ddr_freq(ulong); 647 #endif 648 649 #if defined(CONFIG_4xx) 650 # if defined(CONFIG_440) 651 # if defined(CONFIG_440SPE) 652 unsigned long determine_sysper(void); 653 unsigned long determine_pci_clock_per(void); 654 # endif 655 # endif 656 typedef PPC4xx_SYS_INFO sys_info_t; 657 int ppc440spe_revB(void); 658 void get_sys_info ( sys_info_t * ); 659 #endif 660 661 /* $(CPU)/cpu_init.c */ 662 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 663 void cpu_init_f (volatile immap_t *immr); 664 #endif 665 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 666 void cpu_init_f (void); 667 #endif 668 #ifdef CONFIG_MPC85xx 669 ulong cpu_init_f(void); 670 #endif 671 672 int cpu_init_r (void); 673 #if defined(CONFIG_MPC8260) 674 int prt_8260_rsr (void); 675 #elif defined(CONFIG_MPC83xx) 676 int prt_83xx_rsr (void); 677 #endif 678 679 /* $(CPU)/interrupts.c */ 680 int interrupt_init (void); 681 void timer_interrupt (struct pt_regs *); 682 void external_interrupt (struct pt_regs *); 683 void irq_install_handler(int, interrupt_handler_t *, void *); 684 void irq_free_handler (int); 685 void reset_timer (void); 686 ulong get_timer (ulong base); 687 688 /* Return value of monotonic microsecond timer */ 689 unsigned long timer_get_us(void); 690 691 void enable_interrupts (void); 692 int disable_interrupts (void); 693 694 /* $(CPU)/.../commproc.c */ 695 int dpram_init (void); 696 uint dpram_base(void); 697 uint dpram_base_align(uint align); 698 uint dpram_alloc(uint size); 699 uint dpram_alloc_align(uint size,uint align); 700 void bootcount_store (ulong); 701 ulong bootcount_load (void); 702 #define BOOTCOUNT_MAGIC 0xB001C041 703 704 /* $(CPU)/.../<eth> */ 705 void mii_init (void); 706 707 /* $(CPU)/.../lcd.c */ 708 ulong lcd_setmem (ulong); 709 710 /* $(CPU)/.../video.c */ 711 ulong video_setmem (ulong); 712 713 /* arch/$(ARCH)/lib/cache.c */ 714 void enable_caches(void); 715 void flush_cache (unsigned long, unsigned long); 716 void flush_dcache_all(void); 717 void flush_dcache_range(unsigned long start, unsigned long stop); 718 void invalidate_dcache_range(unsigned long start, unsigned long stop); 719 void invalidate_dcache_all(void); 720 void invalidate_icache_all(void); 721 722 /* arch/$(ARCH)/lib/ticks.S */ 723 uint64_t get_ticks(void); 724 void wait_ticks (unsigned long); 725 726 /* arch/$(ARCH)/lib/time.c */ 727 void __udelay (unsigned long); 728 ulong usec2ticks (unsigned long usec); 729 ulong ticks2usec (unsigned long ticks); 730 int init_timebase (void); 731 732 /* lib/gunzip.c */ 733 int gunzip(void *, int, unsigned char *, unsigned long *); 734 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 735 int stoponerr, int offset); 736 737 /* lib/qsort.c */ 738 void qsort(void *base, size_t nmemb, size_t size, 739 int(*compar)(const void *, const void *)); 740 int strcmp_compar(const void *, const void *); 741 742 /* lib/time.c */ 743 void udelay (unsigned long); 744 void mdelay(unsigned long); 745 746 /* lib/uuid.c */ 747 #include <uuid.h> 748 749 /* lib/vsprintf.c */ 750 #include <vsprintf.h> 751 752 /* lib/strmhz.c */ 753 char * strmhz(char *buf, unsigned long hz); 754 755 /* lib/crc32.c */ 756 #include <u-boot/crc.h> 757 758 /* lib/rand.c */ 759 #define RAND_MAX -1U 760 void srand(unsigned int seed); 761 unsigned int rand(void); 762 unsigned int rand_r(unsigned int *seedp); 763 764 /* common/console.c */ 765 int console_init_f(void); /* Before relocation; uses the serial stuff */ 766 int console_init_r(void); /* After relocation; uses the console stuff */ 767 int console_assign(int file, const char *devname); /* Assign the console */ 768 int ctrlc (void); 769 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 770 void clear_ctrlc (void); /* clear the Control-C condition */ 771 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 772 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 773 /* 774 * STDIO based functions (can always be used) 775 */ 776 /* serial stuff */ 777 int serial_printf (const char *fmt, ...) 778 __attribute__ ((format (__printf__, 1, 2))); 779 /* stdin */ 780 int getc(void); 781 int tstc(void); 782 783 /* stdout */ 784 void putc(const char c); 785 void puts(const char *s); 786 int printf(const char *fmt, ...) 787 __attribute__ ((format (__printf__, 1, 2))); 788 int vprintf(const char *fmt, va_list args); 789 790 /* stderr */ 791 #define eputc(c) fputc(stderr, c) 792 #define eputs(s) fputs(stderr, s) 793 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 794 795 /* 796 * FILE based functions (can only be used AFTER relocation!) 797 */ 798 #define stdin 0 799 #define stdout 1 800 #define stderr 2 801 #define MAX_FILES 3 802 803 int fprintf(int file, const char *fmt, ...) 804 __attribute__ ((format (__printf__, 2, 3))); 805 void fputs(int file, const char *s); 806 void fputc(int file, const char c); 807 int ftstc(int file); 808 int fgetc(int file); 809 810 /* lib/gzip.c */ 811 int gzip(void *dst, unsigned long *lenp, 812 unsigned char *src, unsigned long srclen); 813 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 814 unsigned long srclen, int stoponerr, 815 int (*func)(unsigned long, unsigned long)); 816 817 /* lib/net_utils.c */ 818 #include <net.h> 819 static inline IPaddr_t getenv_IPaddr(char *var) 820 { 821 return string_to_ip(getenv(var)); 822 } 823 824 /* 825 * CONSOLE multiplexing. 826 */ 827 #ifdef CONFIG_CONSOLE_MUX 828 #include <iomux.h> 829 #endif 830 831 int pcmcia_init (void); 832 833 #ifdef CONFIG_STATUS_LED 834 # include <status_led.h> 835 #endif 836 837 #include <bootstage.h> 838 839 #ifdef CONFIG_SHOW_ACTIVITY 840 void show_activity(int arg); 841 #endif 842 843 /* Multicore arch functions */ 844 #ifdef CONFIG_MP 845 int cpu_status(int nr); 846 int cpu_reset(int nr); 847 int cpu_disable(int nr); 848 int cpu_release(int nr, int argc, char * const argv[]); 849 #endif 850 851 /* Define a null map_sysmem() if the architecture doesn't use it */ 852 # ifndef CONFIG_ARCH_MAP_SYSMEM 853 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 854 { 855 return (void *)(uintptr_t)paddr; 856 } 857 858 static inline void unmap_sysmem(const void *vaddr) 859 { 860 } 861 862 static inline phys_addr_t map_to_sysmem(const void *ptr) 863 { 864 return (phys_addr_t)(uintptr_t)ptr; 865 } 866 # endif 867 868 #endif /* __ASSEMBLY__ */ 869 870 #ifdef CONFIG_PPC 871 /* 872 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 873 * Otherwise might lead to compilation errors in assembler files. 874 */ 875 #include <asm/cache.h> 876 #endif 877 878 /* Put only stuff here that the assembler can digest */ 879 880 #ifdef CONFIG_POST 881 #define CONFIG_HAS_POST 882 #ifndef CONFIG_POST_ALT_LIST 883 #define CONFIG_POST_STD_LIST 884 #endif 885 #endif 886 887 #ifdef CONFIG_INIT_CRITICAL 888 #error CONFIG_INIT_CRITICAL is deprecated! 889 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 890 #endif 891 892 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 893 894 /* 895 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 896 * is used to align DMA buffers. 897 */ 898 #ifndef __ASSEMBLY__ 899 #include <asm/cache.h> 900 #endif 901 902 /* 903 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 904 * stack that meets the minimum architecture alignment requirements for DMA. 905 * Such a buffer is useful for DMA operations where flushing and invalidating 906 * the cache before and after a read and/or write operation is required for 907 * correct operations. 908 * 909 * When called the macro creates an array on the stack that is sized such 910 * that: 911 * 912 * 1) The beginning of the array can be advanced enough to be aligned. 913 * 914 * 2) The size of the aligned portion of the array is a multiple of the minimum 915 * architecture alignment required for DMA. 916 * 917 * 3) The aligned portion contains enough space for the original number of 918 * elements requested. 919 * 920 * The macro then creates a pointer to the aligned portion of this array and 921 * assigns to the pointer the address of the first element in the aligned 922 * portion of the array. 923 * 924 * Calling the macro as: 925 * 926 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 927 * 928 * Will result in something similar to saying: 929 * 930 * uint32_t buffer[1024]; 931 * 932 * The following differences exist: 933 * 934 * 1) The resulting buffer is guaranteed to be aligned to the value of 935 * ARCH_DMA_MINALIGN. 936 * 937 * 2) The buffer variable created by the macro is a pointer to the specified 938 * type, and NOT an array of the specified type. This can be very important 939 * if you want the address of the buffer, which you probably do, to pass it 940 * to the DMA hardware. The value of &buffer is different in the two cases. 941 * In the macro case it will be the address of the pointer, not the address 942 * of the space reserved for the buffer. However, in the second case it 943 * would be the address of the buffer. So if you are replacing hard coded 944 * stack buffers with this macro you need to make sure you remove the & from 945 * the locations where you are taking the address of the buffer. 946 * 947 * Note that the size parameter is the number of array elements to allocate, 948 * not the number of bytes. 949 * 950 * This macro can not be used outside of function scope, or for the creation 951 * of a function scoped static buffer. It can not be used to create a cache 952 * line aligned global buffer. 953 */ 954 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 955 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 956 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 957 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 958 + (align - 1)]; \ 959 \ 960 type *name = (type *) ALIGN((uintptr_t)__##name, align) 961 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 962 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 963 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 964 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 965 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 966 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 967 968 /* 969 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 970 * purpose is to allow allocating aligned buffers outside of function scope. 971 * Usage of this macro shall be avoided or used with extreme care! 972 */ 973 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 974 static char __##name[ALIGN(size * sizeof(type), align)] \ 975 __aligned(align); \ 976 \ 977 static type *name = (type *)__##name 978 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 979 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 980 981 /* Pull in stuff for the build system */ 982 #ifdef DO_DEPS_ONLY 983 # include <environment.h> 984 #endif 985 986 #endif /* __COMMON_H_ */ 987