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