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 #ifdef CONFIG_LWMON 419 extern uchar pic_read (uchar reg); 420 extern void pic_write (uchar reg, uchar val); 421 #endif 422 423 /* 424 * Set this up regardless of board 425 * type, to prevent errors. 426 */ 427 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 428 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 429 #else 430 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 431 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 432 #endif 433 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 434 435 #if defined(CONFIG_SPI) 436 extern void spi_init_f (void); 437 extern void spi_init_r (void); 438 extern ssize_t spi_read (uchar *, int, uchar *, int); 439 extern ssize_t spi_write (uchar *, int, uchar *, int); 440 #endif 441 442 #ifdef CONFIG_EVB64260 443 void evb64260_init(void); 444 void debug_led(int, int); 445 void display_mem_map(void); 446 void perform_soft_reset(void); 447 #endif 448 449 /* $(BOARD)/$(BOARD).c */ 450 int board_early_init_f (void); 451 int board_late_init (void); 452 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 453 int board_early_init_r (void); 454 void board_poweroff (void); 455 456 #if defined(CONFIG_SYS_DRAM_TEST) 457 int testdram(void); 458 #endif /* CONFIG_SYS_DRAM_TEST */ 459 460 /* $(CPU)/start.S */ 461 #if defined(CONFIG_5xx) || \ 462 defined(CONFIG_8xx) 463 uint get_immr (uint); 464 #endif 465 uint get_pir (void); 466 #if defined(CONFIG_MPC5xxx) 467 uint get_svr (void); 468 #endif 469 uint get_pvr (void); 470 uint get_svr (void); 471 uint rd_ic_cst (void); 472 void wr_ic_cst (uint); 473 void wr_ic_adr (uint); 474 uint rd_dc_cst (void); 475 void wr_dc_cst (uint); 476 void wr_dc_adr (uint); 477 int icache_status (void); 478 void icache_enable (void); 479 void icache_disable(void); 480 int dcache_status (void); 481 void dcache_enable (void); 482 void dcache_disable(void); 483 void mmu_disable(void); 484 #if defined(CONFIG_ARM) 485 void relocate_code(ulong); 486 #else 487 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 488 #endif 489 ulong get_endaddr (void); 490 void trap_init (ulong); 491 #if defined (CONFIG_4xx) || \ 492 defined (CONFIG_MPC5xxx) || \ 493 defined (CONFIG_74xx_7xx) || \ 494 defined (CONFIG_74x) || \ 495 defined (CONFIG_75x) || \ 496 defined (CONFIG_74xx) || \ 497 defined (CONFIG_MPC85xx) || \ 498 defined (CONFIG_MPC86xx) || \ 499 defined (CONFIG_MPC83xx) 500 unsigned char in8(unsigned int); 501 void out8(unsigned int, unsigned char); 502 unsigned short in16(unsigned int); 503 unsigned short in16r(unsigned int); 504 void out16(unsigned int, unsigned short value); 505 void out16r(unsigned int, unsigned short value); 506 unsigned long in32(unsigned int); 507 unsigned long in32r(unsigned int); 508 void out32(unsigned int, unsigned long value); 509 void out32r(unsigned int, unsigned long value); 510 void ppcDcbf(unsigned long value); 511 void ppcDcbi(unsigned long value); 512 void ppcSync(void); 513 void ppcDcbz(unsigned long value); 514 #endif 515 #if defined (CONFIG_MICROBLAZE) 516 unsigned short in16(unsigned int); 517 void out16(unsigned int, unsigned short value); 518 #endif 519 520 #if defined (CONFIG_MPC83xx) 521 void ppcDWload(unsigned int *addr, unsigned int *ret); 522 void ppcDWstore(unsigned int *addr, unsigned int *value); 523 void disable_addr_trans(void); 524 void enable_addr_trans(void); 525 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 526 void ddr_enable_ecc(unsigned int dram_size); 527 #endif 528 #endif 529 530 /* 531 * Return the current value of a monotonically increasing microsecond timer. 532 * Granularity may be larger than 1us if hardware does not support this. 533 */ 534 ulong timer_get_us(void); 535 536 /* $(CPU)/cpu.c */ 537 static inline int cpumask_next(int cpu, unsigned int mask) 538 { 539 for (cpu++; !((1 << cpu) & mask); cpu++) 540 ; 541 542 return cpu; 543 } 544 545 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 546 for (iter = 0, cpu = cpumask_next(-1, mask); \ 547 iter < num_cpus; \ 548 iter++, cpu = cpumask_next(cpu, mask)) \ 549 550 int cpu_numcores (void); 551 u32 cpu_mask (void); 552 int is_core_valid (unsigned int); 553 int probecpu (void); 554 int checkcpu (void); 555 int checkicache (void); 556 int checkdcache (void); 557 void upmconfig (unsigned int, unsigned int *, unsigned int); 558 ulong get_tbclk (void); 559 void reset_misc (void); 560 void reset_cpu (ulong addr); 561 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 562 void ft_cpu_setup(void *blob, bd_t *bd); 563 #ifdef CONFIG_PCI 564 void ft_pci_setup(void *blob, bd_t *bd); 565 #endif 566 #endif 567 568 void smp_set_core_boot_addr(unsigned long addr, int corenr); 569 void smp_kick_all_cpus(void); 570 571 /* $(CPU)/serial.c */ 572 int serial_init (void); 573 void serial_setbrg (void); 574 void serial_putc (const char); 575 void serial_putc_raw(const char); 576 void serial_puts (const char *); 577 int serial_getc (void); 578 int serial_tstc (void); 579 580 /* These versions take a stdio_dev pointer */ 581 struct stdio_dev; 582 int serial_stub_getc(struct stdio_dev *sdev); 583 int serial_stub_tstc(struct stdio_dev *sdev); 584 585 /* $(CPU)/speed.c */ 586 int get_clocks (void); 587 int get_clocks_866 (void); 588 int sdram_adjust_866 (void); 589 int adjust_sdram_tbs_8xx (void); 590 #if defined(CONFIG_MPC8260) 591 int prt_8260_clks (void); 592 #elif defined(CONFIG_MPC5xxx) 593 int prt_mpc5xxx_clks (void); 594 #endif 595 #ifdef CONFIG_4xx 596 ulong get_OPB_freq (void); 597 ulong get_PCI_freq (void); 598 #endif 599 #if defined(CONFIG_S3C24X0) || \ 600 defined(CONFIG_LH7A40X) || \ 601 defined(CONFIG_EP93XX) 602 ulong get_FCLK (void); 603 ulong get_HCLK (void); 604 ulong get_PCLK (void); 605 ulong get_UCLK (void); 606 #endif 607 #if defined(CONFIG_LH7A40X) 608 ulong get_PLLCLK (void); 609 #endif 610 #if defined(CONFIG_IMX) 611 ulong get_systemPLLCLK(void); 612 ulong get_FCLK(void); 613 ulong get_HCLK(void); 614 ulong get_BCLK(void); 615 ulong get_PERCLK1(void); 616 ulong get_PERCLK2(void); 617 ulong get_PERCLK3(void); 618 #endif 619 ulong get_bus_freq (ulong); 620 int get_serial_clock(void); 621 622 #if defined(CONFIG_MPC85xx) 623 typedef MPC85xx_SYS_INFO sys_info_t; 624 void get_sys_info ( sys_info_t * ); 625 # if defined(CONFIG_OF_LIBFDT) 626 void ft_fixup_cpu(void *, u64); 627 void ft_fixup_num_cores(void *); 628 # endif 629 #endif 630 #if defined(CONFIG_MPC86xx) 631 typedef MPC86xx_SYS_INFO sys_info_t; 632 void get_sys_info ( sys_info_t * ); 633 static inline ulong get_ddr_freq(ulong dummy) 634 { 635 return get_bus_freq(dummy); 636 } 637 #else 638 ulong get_ddr_freq(ulong); 639 #endif 640 641 #if defined(CONFIG_4xx) 642 # if defined(CONFIG_440) 643 # if defined(CONFIG_440SPE) 644 unsigned long determine_sysper(void); 645 unsigned long determine_pci_clock_per(void); 646 # endif 647 # endif 648 typedef PPC4xx_SYS_INFO sys_info_t; 649 int ppc440spe_revB(void); 650 void get_sys_info ( sys_info_t * ); 651 #endif 652 653 /* $(CPU)/cpu_init.c */ 654 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 655 void cpu_init_f (volatile immap_t *immr); 656 #endif 657 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 658 void cpu_init_f (void); 659 #endif 660 #ifdef CONFIG_MPC85xx 661 ulong cpu_init_f(void); 662 #endif 663 664 int cpu_init_r (void); 665 #if defined(CONFIG_MPC8260) 666 int prt_8260_rsr (void); 667 #elif defined(CONFIG_MPC83xx) 668 int prt_83xx_rsr (void); 669 #endif 670 671 /* $(CPU)/interrupts.c */ 672 int interrupt_init (void); 673 void timer_interrupt (struct pt_regs *); 674 void external_interrupt (struct pt_regs *); 675 void irq_install_handler(int, interrupt_handler_t *, void *); 676 void irq_free_handler (int); 677 void reset_timer (void); 678 ulong get_timer (ulong base); 679 680 /* Return value of monotonic microsecond timer */ 681 unsigned long timer_get_us(void); 682 683 void enable_interrupts (void); 684 int disable_interrupts (void); 685 686 /* $(CPU)/.../commproc.c */ 687 int dpram_init (void); 688 uint dpram_base(void); 689 uint dpram_base_align(uint align); 690 uint dpram_alloc(uint size); 691 uint dpram_alloc_align(uint size,uint align); 692 void bootcount_store (ulong); 693 ulong bootcount_load (void); 694 #define BOOTCOUNT_MAGIC 0xB001C041 695 696 /* $(CPU)/.../<eth> */ 697 void mii_init (void); 698 699 /* $(CPU)/.../lcd.c */ 700 ulong lcd_setmem (ulong); 701 702 /* $(CPU)/.../video.c */ 703 ulong video_setmem (ulong); 704 705 /* arch/$(ARCH)/lib/cache.c */ 706 void enable_caches(void); 707 void flush_cache (unsigned long, unsigned long); 708 void flush_dcache_all(void); 709 void flush_dcache_range(unsigned long start, unsigned long stop); 710 void invalidate_dcache_range(unsigned long start, unsigned long stop); 711 void invalidate_dcache_all(void); 712 void invalidate_icache_all(void); 713 714 /* arch/$(ARCH)/lib/ticks.S */ 715 uint64_t get_ticks(void); 716 void wait_ticks (unsigned long); 717 718 /* arch/$(ARCH)/lib/time.c */ 719 void __udelay (unsigned long); 720 ulong usec2ticks (unsigned long usec); 721 ulong ticks2usec (unsigned long ticks); 722 int init_timebase (void); 723 724 /* lib/gunzip.c */ 725 int gunzip(void *, int, unsigned char *, unsigned long *); 726 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 727 int stoponerr, int offset); 728 729 /* lib/qsort.c */ 730 void qsort(void *base, size_t nmemb, size_t size, 731 int(*compar)(const void *, const void *)); 732 int strcmp_compar(const void *, const void *); 733 734 /* lib/time.c */ 735 void udelay (unsigned long); 736 void mdelay(unsigned long); 737 738 /* lib/uuid.c */ 739 #include <uuid.h> 740 741 /* lib/vsprintf.c */ 742 #include <vsprintf.h> 743 744 /* lib/strmhz.c */ 745 char * strmhz(char *buf, unsigned long hz); 746 747 /* lib/crc32.c */ 748 #include <u-boot/crc.h> 749 750 /* lib/rand.c */ 751 #define RAND_MAX -1U 752 void srand(unsigned int seed); 753 unsigned int rand(void); 754 unsigned int rand_r(unsigned int *seedp); 755 756 /* common/console.c */ 757 int console_init_f(void); /* Before relocation; uses the serial stuff */ 758 int console_init_r(void); /* After relocation; uses the console stuff */ 759 int console_assign(int file, const char *devname); /* Assign the console */ 760 int ctrlc (void); 761 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 762 void clear_ctrlc (void); /* clear the Control-C condition */ 763 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 764 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 765 /* 766 * STDIO based functions (can always be used) 767 */ 768 /* serial stuff */ 769 int serial_printf (const char *fmt, ...) 770 __attribute__ ((format (__printf__, 1, 2))); 771 /* stdin */ 772 int getc(void); 773 int tstc(void); 774 775 /* stdout */ 776 void putc(const char c); 777 void puts(const char *s); 778 int printf(const char *fmt, ...) 779 __attribute__ ((format (__printf__, 1, 2))); 780 int vprintf(const char *fmt, va_list args); 781 782 /* stderr */ 783 #define eputc(c) fputc(stderr, c) 784 #define eputs(s) fputs(stderr, s) 785 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 786 787 /* 788 * FILE based functions (can only be used AFTER relocation!) 789 */ 790 #define stdin 0 791 #define stdout 1 792 #define stderr 2 793 #define MAX_FILES 3 794 795 int fprintf(int file, const char *fmt, ...) 796 __attribute__ ((format (__printf__, 2, 3))); 797 void fputs(int file, const char *s); 798 void fputc(int file, const char c); 799 int ftstc(int file); 800 int fgetc(int file); 801 802 /* lib/gzip.c */ 803 int gzip(void *dst, unsigned long *lenp, 804 unsigned char *src, unsigned long srclen); 805 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 806 unsigned long srclen, int stoponerr, 807 int (*func)(unsigned long, unsigned long)); 808 809 /* lib/net_utils.c */ 810 #include <net.h> 811 static inline IPaddr_t getenv_IPaddr(char *var) 812 { 813 return string_to_ip(getenv(var)); 814 } 815 816 /* 817 * CONSOLE multiplexing. 818 */ 819 #ifdef CONFIG_CONSOLE_MUX 820 #include <iomux.h> 821 #endif 822 823 int pcmcia_init (void); 824 825 #ifdef CONFIG_STATUS_LED 826 # include <status_led.h> 827 #endif 828 829 #include <bootstage.h> 830 831 #ifdef CONFIG_SHOW_ACTIVITY 832 void show_activity(int arg); 833 #endif 834 835 /* Multicore arch functions */ 836 #ifdef CONFIG_MP 837 int cpu_status(int nr); 838 int cpu_reset(int nr); 839 int cpu_disable(int nr); 840 int cpu_release(int nr, int argc, char * const argv[]); 841 #endif 842 843 /* Define a null map_sysmem() if the architecture doesn't use it */ 844 # ifndef CONFIG_ARCH_MAP_SYSMEM 845 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 846 { 847 return (void *)(uintptr_t)paddr; 848 } 849 850 static inline void unmap_sysmem(const void *vaddr) 851 { 852 } 853 854 static inline phys_addr_t map_to_sysmem(const void *ptr) 855 { 856 return (phys_addr_t)(uintptr_t)ptr; 857 } 858 # endif 859 860 #endif /* __ASSEMBLY__ */ 861 862 #ifdef CONFIG_PPC 863 /* 864 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 865 * Otherwise might lead to compilation errors in assembler files. 866 */ 867 #include <asm/cache.h> 868 #endif 869 870 /* Put only stuff here that the assembler can digest */ 871 872 #ifdef CONFIG_POST 873 #define CONFIG_HAS_POST 874 #ifndef CONFIG_POST_ALT_LIST 875 #define CONFIG_POST_STD_LIST 876 #endif 877 #endif 878 879 #ifdef CONFIG_INIT_CRITICAL 880 #error CONFIG_INIT_CRITICAL is deprecated! 881 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 882 #endif 883 884 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 885 886 /* 887 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 888 * is used to align DMA buffers. 889 */ 890 #ifndef __ASSEMBLY__ 891 #include <asm/cache.h> 892 #endif 893 894 /* 895 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 896 * stack that meets the minimum architecture alignment requirements for DMA. 897 * Such a buffer is useful for DMA operations where flushing and invalidating 898 * the cache before and after a read and/or write operation is required for 899 * correct operations. 900 * 901 * When called the macro creates an array on the stack that is sized such 902 * that: 903 * 904 * 1) The beginning of the array can be advanced enough to be aligned. 905 * 906 * 2) The size of the aligned portion of the array is a multiple of the minimum 907 * architecture alignment required for DMA. 908 * 909 * 3) The aligned portion contains enough space for the original number of 910 * elements requested. 911 * 912 * The macro then creates a pointer to the aligned portion of this array and 913 * assigns to the pointer the address of the first element in the aligned 914 * portion of the array. 915 * 916 * Calling the macro as: 917 * 918 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 919 * 920 * Will result in something similar to saying: 921 * 922 * uint32_t buffer[1024]; 923 * 924 * The following differences exist: 925 * 926 * 1) The resulting buffer is guaranteed to be aligned to the value of 927 * ARCH_DMA_MINALIGN. 928 * 929 * 2) The buffer variable created by the macro is a pointer to the specified 930 * type, and NOT an array of the specified type. This can be very important 931 * if you want the address of the buffer, which you probably do, to pass it 932 * to the DMA hardware. The value of &buffer is different in the two cases. 933 * In the macro case it will be the address of the pointer, not the address 934 * of the space reserved for the buffer. However, in the second case it 935 * would be the address of the buffer. So if you are replacing hard coded 936 * stack buffers with this macro you need to make sure you remove the & from 937 * the locations where you are taking the address of the buffer. 938 * 939 * Note that the size parameter is the number of array elements to allocate, 940 * not the number of bytes. 941 * 942 * This macro can not be used outside of function scope, or for the creation 943 * of a function scoped static buffer. It can not be used to create a cache 944 * line aligned global buffer. 945 */ 946 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 947 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 948 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 949 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 950 + (align - 1)]; \ 951 \ 952 type *name = (type *) ALIGN((uintptr_t)__##name, align) 953 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 954 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 955 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 956 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 957 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 958 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 959 960 /* 961 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 962 * purpose is to allow allocating aligned buffers outside of function scope. 963 * Usage of this macro shall be avoided or used with extreme care! 964 */ 965 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 966 static char __##name[ALIGN(size * sizeof(type), align)] \ 967 __aligned(align); \ 968 \ 969 static type *name = (type *)__##name 970 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 971 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 972 973 /* Pull in stuff for the build system */ 974 #ifdef DO_DEPS_ONLY 975 # include <environment.h> 976 #endif 977 978 #endif /* __COMMON_H_ */ 979