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_EVB64260 446 void evb64260_init(void); 447 void debug_led(int, int); 448 void display_mem_map(void); 449 void perform_soft_reset(void); 450 #endif 451 452 /* $(BOARD)/$(BOARD).c */ 453 int board_early_init_f (void); 454 int board_late_init (void); 455 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 456 int board_early_init_r (void); 457 void board_poweroff (void); 458 459 #if defined(CONFIG_SYS_DRAM_TEST) 460 int testdram(void); 461 #endif /* CONFIG_SYS_DRAM_TEST */ 462 463 /* $(CPU)/start.S */ 464 #if defined(CONFIG_5xx) || \ 465 defined(CONFIG_8xx) 466 uint get_immr (uint); 467 #endif 468 uint get_pir (void); 469 #if defined(CONFIG_MPC5xxx) 470 uint get_svr (void); 471 #endif 472 uint get_pvr (void); 473 uint get_svr (void); 474 uint rd_ic_cst (void); 475 void wr_ic_cst (uint); 476 void wr_ic_adr (uint); 477 uint rd_dc_cst (void); 478 void wr_dc_cst (uint); 479 void wr_dc_adr (uint); 480 int icache_status (void); 481 void icache_enable (void); 482 void icache_disable(void); 483 int dcache_status (void); 484 void dcache_enable (void); 485 void dcache_disable(void); 486 void mmu_disable(void); 487 #if defined(CONFIG_ARM) 488 void relocate_code(ulong); 489 #else 490 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 491 #endif 492 ulong get_endaddr (void); 493 void trap_init (ulong); 494 #if defined (CONFIG_4xx) || \ 495 defined (CONFIG_MPC5xxx) || \ 496 defined (CONFIG_74xx_7xx) || \ 497 defined (CONFIG_74x) || \ 498 defined (CONFIG_75x) || \ 499 defined (CONFIG_74xx) || \ 500 defined (CONFIG_MPC85xx) || \ 501 defined (CONFIG_MPC86xx) || \ 502 defined (CONFIG_MPC83xx) 503 unsigned char in8(unsigned int); 504 void out8(unsigned int, unsigned char); 505 unsigned short in16(unsigned int); 506 unsigned short in16r(unsigned int); 507 void out16(unsigned int, unsigned short value); 508 void out16r(unsigned int, unsigned short value); 509 unsigned long in32(unsigned int); 510 unsigned long in32r(unsigned int); 511 void out32(unsigned int, unsigned long value); 512 void out32r(unsigned int, unsigned long value); 513 void ppcDcbf(unsigned long value); 514 void ppcDcbi(unsigned long value); 515 void ppcSync(void); 516 void ppcDcbz(unsigned long value); 517 #endif 518 #if defined (CONFIG_MICROBLAZE) 519 unsigned short in16(unsigned int); 520 void out16(unsigned int, unsigned short value); 521 #endif 522 523 #if defined (CONFIG_MPC83xx) 524 void ppcDWload(unsigned int *addr, unsigned int *ret); 525 void ppcDWstore(unsigned int *addr, unsigned int *value); 526 void disable_addr_trans(void); 527 void enable_addr_trans(void); 528 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 529 void ddr_enable_ecc(unsigned int dram_size); 530 #endif 531 #endif 532 533 /* 534 * Return the current value of a monotonically increasing microsecond timer. 535 * Granularity may be larger than 1us if hardware does not support this. 536 */ 537 ulong timer_get_us(void); 538 539 /* $(CPU)/cpu.c */ 540 static inline int cpumask_next(int cpu, unsigned int mask) 541 { 542 for (cpu++; !((1 << cpu) & mask); cpu++) 543 ; 544 545 return cpu; 546 } 547 548 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 549 for (iter = 0, cpu = cpumask_next(-1, mask); \ 550 iter < num_cpus; \ 551 iter++, cpu = cpumask_next(cpu, mask)) \ 552 553 int cpu_numcores (void); 554 u32 cpu_mask (void); 555 int is_core_valid (unsigned int); 556 int probecpu (void); 557 int checkcpu (void); 558 int checkicache (void); 559 int checkdcache (void); 560 void upmconfig (unsigned int, unsigned int *, unsigned int); 561 ulong get_tbclk (void); 562 void reset_misc (void); 563 void reset_cpu (ulong addr); 564 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 565 void ft_cpu_setup(void *blob, bd_t *bd); 566 #ifdef CONFIG_PCI 567 void ft_pci_setup(void *blob, bd_t *bd); 568 #endif 569 #endif 570 571 void smp_set_core_boot_addr(unsigned long addr, int corenr); 572 void smp_kick_all_cpus(void); 573 574 /* $(CPU)/serial.c */ 575 int serial_init (void); 576 void serial_setbrg (void); 577 void serial_putc (const char); 578 void serial_putc_raw(const char); 579 void serial_puts (const char *); 580 int serial_getc (void); 581 int serial_tstc (void); 582 583 /* These versions take a stdio_dev pointer */ 584 struct stdio_dev; 585 int serial_stub_getc(struct stdio_dev *sdev); 586 int serial_stub_tstc(struct stdio_dev *sdev); 587 588 /* $(CPU)/speed.c */ 589 int get_clocks (void); 590 int get_clocks_866 (void); 591 int sdram_adjust_866 (void); 592 int adjust_sdram_tbs_8xx (void); 593 #if defined(CONFIG_MPC8260) 594 int prt_8260_clks (void); 595 #elif defined(CONFIG_MPC5xxx) 596 int prt_mpc5xxx_clks (void); 597 #endif 598 #ifdef CONFIG_4xx 599 ulong get_OPB_freq (void); 600 ulong get_PCI_freq (void); 601 #endif 602 #if defined(CONFIG_S3C24X0) || \ 603 defined(CONFIG_LH7A40X) || \ 604 defined(CONFIG_EP93XX) 605 ulong get_FCLK (void); 606 ulong get_HCLK (void); 607 ulong get_PCLK (void); 608 ulong get_UCLK (void); 609 #endif 610 #if defined(CONFIG_LH7A40X) 611 ulong get_PLLCLK (void); 612 #endif 613 #if defined(CONFIG_IMX) 614 ulong get_systemPLLCLK(void); 615 ulong get_FCLK(void); 616 ulong get_HCLK(void); 617 ulong get_BCLK(void); 618 ulong get_PERCLK1(void); 619 ulong get_PERCLK2(void); 620 ulong get_PERCLK3(void); 621 #endif 622 ulong get_bus_freq (ulong); 623 int get_serial_clock(void); 624 625 #if defined(CONFIG_MPC85xx) 626 typedef MPC85xx_SYS_INFO sys_info_t; 627 void get_sys_info ( sys_info_t * ); 628 # if defined(CONFIG_OF_LIBFDT) 629 void ft_fixup_cpu(void *, u64); 630 void ft_fixup_num_cores(void *); 631 # endif 632 #endif 633 #if defined(CONFIG_MPC86xx) 634 typedef MPC86xx_SYS_INFO sys_info_t; 635 void get_sys_info ( sys_info_t * ); 636 static inline ulong get_ddr_freq(ulong dummy) 637 { 638 return get_bus_freq(dummy); 639 } 640 #else 641 ulong get_ddr_freq(ulong); 642 #endif 643 644 #if defined(CONFIG_4xx) 645 # if defined(CONFIG_440) 646 # if defined(CONFIG_440SPE) 647 unsigned long determine_sysper(void); 648 unsigned long determine_pci_clock_per(void); 649 # endif 650 # endif 651 typedef PPC4xx_SYS_INFO sys_info_t; 652 int ppc440spe_revB(void); 653 void get_sys_info ( sys_info_t * ); 654 #endif 655 656 /* $(CPU)/cpu_init.c */ 657 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 658 void cpu_init_f (volatile immap_t *immr); 659 #endif 660 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 661 void cpu_init_f (void); 662 #endif 663 #ifdef CONFIG_MPC85xx 664 ulong cpu_init_f(void); 665 #endif 666 667 int cpu_init_r (void); 668 #if defined(CONFIG_MPC8260) 669 int prt_8260_rsr (void); 670 #elif defined(CONFIG_MPC83xx) 671 int prt_83xx_rsr (void); 672 #endif 673 674 /* $(CPU)/interrupts.c */ 675 int interrupt_init (void); 676 void timer_interrupt (struct pt_regs *); 677 void external_interrupt (struct pt_regs *); 678 void irq_install_handler(int, interrupt_handler_t *, void *); 679 void irq_free_handler (int); 680 void reset_timer (void); 681 ulong get_timer (ulong base); 682 683 /* Return value of monotonic microsecond timer */ 684 unsigned long timer_get_us(void); 685 686 void enable_interrupts (void); 687 int disable_interrupts (void); 688 689 /* $(CPU)/.../commproc.c */ 690 int dpram_init (void); 691 uint dpram_base(void); 692 uint dpram_base_align(uint align); 693 uint dpram_alloc(uint size); 694 uint dpram_alloc_align(uint size,uint align); 695 void bootcount_store (ulong); 696 ulong bootcount_load (void); 697 #define BOOTCOUNT_MAGIC 0xB001C041 698 699 /* $(CPU)/.../<eth> */ 700 void mii_init (void); 701 702 /* $(CPU)/.../lcd.c */ 703 ulong lcd_setmem (ulong); 704 705 /* $(CPU)/.../video.c */ 706 ulong video_setmem (ulong); 707 708 /* arch/$(ARCH)/lib/cache.c */ 709 void enable_caches(void); 710 void flush_cache (unsigned long, unsigned long); 711 void flush_dcache_all(void); 712 void flush_dcache_range(unsigned long start, unsigned long stop); 713 void invalidate_dcache_range(unsigned long start, unsigned long stop); 714 void invalidate_dcache_all(void); 715 void invalidate_icache_all(void); 716 717 /* arch/$(ARCH)/lib/ticks.S */ 718 uint64_t get_ticks(void); 719 void wait_ticks (unsigned long); 720 721 /* arch/$(ARCH)/lib/time.c */ 722 void __udelay (unsigned long); 723 ulong usec2ticks (unsigned long usec); 724 ulong ticks2usec (unsigned long ticks); 725 int init_timebase (void); 726 727 /* lib/gunzip.c */ 728 int gunzip(void *, int, unsigned char *, unsigned long *); 729 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 730 int stoponerr, int offset); 731 732 /* lib/qsort.c */ 733 void qsort(void *base, size_t nmemb, size_t size, 734 int(*compar)(const void *, const void *)); 735 int strcmp_compar(const void *, const void *); 736 737 /* lib/time.c */ 738 void udelay (unsigned long); 739 void mdelay(unsigned long); 740 741 /* lib/uuid.c */ 742 #include <uuid.h> 743 744 /* lib/vsprintf.c */ 745 #include <vsprintf.h> 746 747 /* lib/strmhz.c */ 748 char * strmhz(char *buf, unsigned long hz); 749 750 /* lib/crc32.c */ 751 #include <u-boot/crc.h> 752 753 /* lib/rand.c */ 754 #define RAND_MAX -1U 755 void srand(unsigned int seed); 756 unsigned int rand(void); 757 unsigned int rand_r(unsigned int *seedp); 758 759 /* common/console.c */ 760 int console_init_f(void); /* Before relocation; uses the serial stuff */ 761 int console_init_r(void); /* After relocation; uses the console stuff */ 762 int console_assign(int file, const char *devname); /* Assign the console */ 763 int ctrlc (void); 764 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 765 void clear_ctrlc (void); /* clear the Control-C condition */ 766 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 767 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 768 /* 769 * STDIO based functions (can always be used) 770 */ 771 /* serial stuff */ 772 int serial_printf (const char *fmt, ...) 773 __attribute__ ((format (__printf__, 1, 2))); 774 /* stdin */ 775 int getc(void); 776 int tstc(void); 777 778 /* stdout */ 779 void putc(const char c); 780 void puts(const char *s); 781 int printf(const char *fmt, ...) 782 __attribute__ ((format (__printf__, 1, 2))); 783 int vprintf(const char *fmt, va_list args); 784 785 /* stderr */ 786 #define eputc(c) fputc(stderr, c) 787 #define eputs(s) fputs(stderr, s) 788 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 789 790 /* 791 * FILE based functions (can only be used AFTER relocation!) 792 */ 793 #define stdin 0 794 #define stdout 1 795 #define stderr 2 796 #define MAX_FILES 3 797 798 int fprintf(int file, const char *fmt, ...) 799 __attribute__ ((format (__printf__, 2, 3))); 800 void fputs(int file, const char *s); 801 void fputc(int file, const char c); 802 int ftstc(int file); 803 int fgetc(int file); 804 805 /* lib/gzip.c */ 806 int gzip(void *dst, unsigned long *lenp, 807 unsigned char *src, unsigned long srclen); 808 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 809 unsigned long srclen, int stoponerr, 810 int (*func)(unsigned long, unsigned long)); 811 812 /* lib/net_utils.c */ 813 #include <net.h> 814 static inline IPaddr_t getenv_IPaddr(char *var) 815 { 816 return string_to_ip(getenv(var)); 817 } 818 819 /* 820 * CONSOLE multiplexing. 821 */ 822 #ifdef CONFIG_CONSOLE_MUX 823 #include <iomux.h> 824 #endif 825 826 int pcmcia_init (void); 827 828 #ifdef CONFIG_STATUS_LED 829 # include <status_led.h> 830 #endif 831 832 #include <bootstage.h> 833 834 #ifdef CONFIG_SHOW_ACTIVITY 835 void show_activity(int arg); 836 #endif 837 838 /* Multicore arch functions */ 839 #ifdef CONFIG_MP 840 int cpu_status(int nr); 841 int cpu_reset(int nr); 842 int cpu_disable(int nr); 843 int cpu_release(int nr, int argc, char * const argv[]); 844 #endif 845 846 /* Define a null map_sysmem() if the architecture doesn't use it */ 847 # ifndef CONFIG_ARCH_MAP_SYSMEM 848 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 849 { 850 return (void *)(uintptr_t)paddr; 851 } 852 853 static inline void unmap_sysmem(const void *vaddr) 854 { 855 } 856 857 static inline phys_addr_t map_to_sysmem(const void *ptr) 858 { 859 return (phys_addr_t)(uintptr_t)ptr; 860 } 861 # endif 862 863 #endif /* __ASSEMBLY__ */ 864 865 #ifdef CONFIG_PPC 866 /* 867 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 868 * Otherwise might lead to compilation errors in assembler files. 869 */ 870 #include <asm/cache.h> 871 #endif 872 873 /* Put only stuff here that the assembler can digest */ 874 875 #ifdef CONFIG_POST 876 #define CONFIG_HAS_POST 877 #ifndef CONFIG_POST_ALT_LIST 878 #define CONFIG_POST_STD_LIST 879 #endif 880 #endif 881 882 #ifdef CONFIG_INIT_CRITICAL 883 #error CONFIG_INIT_CRITICAL is deprecated! 884 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 885 #endif 886 887 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 888 889 /* 890 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 891 * is used to align DMA buffers. 892 */ 893 #ifndef __ASSEMBLY__ 894 #include <asm/cache.h> 895 #endif 896 897 /* 898 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 899 * stack that meets the minimum architecture alignment requirements for DMA. 900 * Such a buffer is useful for DMA operations where flushing and invalidating 901 * the cache before and after a read and/or write operation is required for 902 * correct operations. 903 * 904 * When called the macro creates an array on the stack that is sized such 905 * that: 906 * 907 * 1) The beginning of the array can be advanced enough to be aligned. 908 * 909 * 2) The size of the aligned portion of the array is a multiple of the minimum 910 * architecture alignment required for DMA. 911 * 912 * 3) The aligned portion contains enough space for the original number of 913 * elements requested. 914 * 915 * The macro then creates a pointer to the aligned portion of this array and 916 * assigns to the pointer the address of the first element in the aligned 917 * portion of the array. 918 * 919 * Calling the macro as: 920 * 921 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 922 * 923 * Will result in something similar to saying: 924 * 925 * uint32_t buffer[1024]; 926 * 927 * The following differences exist: 928 * 929 * 1) The resulting buffer is guaranteed to be aligned to the value of 930 * ARCH_DMA_MINALIGN. 931 * 932 * 2) The buffer variable created by the macro is a pointer to the specified 933 * type, and NOT an array of the specified type. This can be very important 934 * if you want the address of the buffer, which you probably do, to pass it 935 * to the DMA hardware. The value of &buffer is different in the two cases. 936 * In the macro case it will be the address of the pointer, not the address 937 * of the space reserved for the buffer. However, in the second case it 938 * would be the address of the buffer. So if you are replacing hard coded 939 * stack buffers with this macro you need to make sure you remove the & from 940 * the locations where you are taking the address of the buffer. 941 * 942 * Note that the size parameter is the number of array elements to allocate, 943 * not the number of bytes. 944 * 945 * This macro can not be used outside of function scope, or for the creation 946 * of a function scoped static buffer. It can not be used to create a cache 947 * line aligned global buffer. 948 */ 949 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 950 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 951 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 952 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 953 + (align - 1)]; \ 954 \ 955 type *name = (type *) ALIGN((uintptr_t)__##name, align) 956 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 957 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 958 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 959 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 960 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 961 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 962 963 /* 964 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 965 * purpose is to allow allocating aligned buffers outside of function scope. 966 * Usage of this macro shall be avoided or used with extreme care! 967 */ 968 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 969 static char __##name[ALIGN(size * sizeof(type), align)] \ 970 __aligned(align); \ 971 \ 972 static type *name = (type *)__##name 973 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 974 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 975 976 /* Pull in stuff for the build system */ 977 #ifdef DO_DEPS_ONLY 978 # include <environment.h> 979 #endif 980 981 #endif /* __COMMON_H_ */ 982