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