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