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 * arch_cpu_init_dm() - init CPU after driver model is available 257 * 258 * This is called immediately after driver model is available before 259 * relocation. This is similar to arch_cpu_init() but is able to reference 260 * devices 261 * 262 * @return 0 if OK, -ve on error 263 */ 264 int arch_cpu_init_dm(void); 265 266 /** 267 * Reserve all necessary stacks 268 * 269 * This is used in generic board init sequence in common/board_f.c. Each 270 * architecture could provide this function to tailor the required stacks. 271 * 272 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 273 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 274 * require only this can leave it untouched. 275 * 276 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 277 * positions of the stack. The stack pointer(s) will be set to this later. 278 * gd->irq_sp is only required, if the architecture needs it. 279 * 280 * @return 0 if no error 281 */ 282 __weak int arch_reserve_stacks(void); 283 284 /** 285 * Show the DRAM size in a board-specific way 286 * 287 * This is used by boards to display DRAM information in their own way. 288 * 289 * @param size Size of DRAM (which should be displayed along with other info) 290 */ 291 void board_show_dram(ulong size); 292 293 /** 294 * arch_fixup_fdt() - Write arch-specific information to fdt 295 * 296 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 297 * 298 * @blob: FDT blob to write to 299 * @return 0 if ok, or -ve FDT_ERR_... on failure 300 */ 301 int arch_fixup_fdt(void *blob); 302 303 /* common/flash.c */ 304 void flash_perror (int); 305 306 /* common/cmd_source.c */ 307 int source (ulong addr, const char *fit_uname); 308 309 extern ulong load_addr; /* Default Load Address */ 310 extern ulong save_addr; /* Default Save Address */ 311 extern ulong save_size; /* Default Save Size */ 312 313 /* common/cmd_doc.c */ 314 void doc_probe(unsigned long physadr); 315 316 /* common/cmd_net.c */ 317 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 318 319 /* common/cmd_fat.c */ 320 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 321 322 /* common/cmd_ext2.c */ 323 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 324 325 /* common/cmd_nvedit.c */ 326 int env_init (void); 327 void env_relocate (void); 328 int envmatch (uchar *, int); 329 330 /* Avoid unfortunate conflict with libc's getenv() */ 331 #ifdef CONFIG_SANDBOX 332 #define getenv uboot_getenv 333 #endif 334 char *getenv (const char *); 335 int getenv_f (const char *name, char *buf, unsigned len); 336 ulong getenv_ulong(const char *name, int base, ulong default_val); 337 338 /** 339 * getenv_hex() - Return an environment variable as a hex value 340 * 341 * Decode an environment as a hex number (it may or may not have a 0x 342 * prefix). If the environment variable cannot be found, or does not start 343 * with hex digits, the default value is returned. 344 * 345 * @varname: Variable to decode 346 * @default_val: Value to return on error 347 */ 348 ulong getenv_hex(const char *varname, ulong default_val); 349 350 /* 351 * Read an environment variable as a boolean 352 * Return -1 if variable does not exist (default to true) 353 */ 354 int getenv_yesno(const char *var); 355 int saveenv (void); 356 int setenv (const char *, const char *); 357 int setenv_ulong(const char *varname, ulong value); 358 int setenv_hex(const char *varname, ulong value); 359 /** 360 * setenv_addr - Set an environment variable to an address in hex 361 * 362 * @varname: Environment variable to set 363 * @addr: Value to set it to 364 * @return 0 if ok, 1 on error 365 */ 366 static inline int setenv_addr(const char *varname, const void *addr) 367 { 368 return setenv_hex(varname, (ulong)addr); 369 } 370 371 #ifdef CONFIG_ARM 372 # include <asm/mach-types.h> 373 # include <asm/setup.h> 374 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 375 #endif /* CONFIG_ARM */ 376 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 377 # include <asm/u-boot-x86.h> 378 #endif /* CONFIG_X86 */ 379 #ifdef CONFIG_SANDBOX 380 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 381 #endif 382 #ifdef CONFIG_NDS32 383 # include <asm/mach-types.h> 384 # include <asm/setup.h> 385 # include <asm/u-boot-nds32.h> 386 #endif /* CONFIG_NDS32 */ 387 #ifdef CONFIG_MIPS 388 # include <asm/u-boot-mips.h> 389 #endif /* CONFIG_MIPS */ 390 #ifdef CONFIG_ARC 391 # include <asm/u-boot-arc.h> 392 #endif /* CONFIG_ARC */ 393 394 #ifdef CONFIG_AUTO_COMPLETE 395 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 396 #endif 397 int get_env_id (void); 398 399 void pci_init (void); 400 void pci_init_board(void); 401 void pciinfo (int, int); 402 403 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 404 int pci_pre_init (struct pci_controller *); 405 int is_pci_host (struct pci_controller *); 406 #endif 407 408 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 409 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 410 void pci_target_init (struct pci_controller *); 411 # endif 412 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 413 void pci_master_init (struct pci_controller *); 414 # endif 415 #if defined(CONFIG_440SPE) || \ 416 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 417 defined(CONFIG_405EX) 418 void pcie_setup_hoses(int busno); 419 #endif 420 #endif 421 422 int misc_init_f (void); 423 int misc_init_r (void); 424 425 /* common/exports.c */ 426 void jumptable_init(void); 427 428 /* common/kallsysm.c */ 429 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 430 431 /* api/api.c */ 432 void api_init (void); 433 434 /* common/memsize.c */ 435 long get_ram_size (long *, long); 436 phys_size_t get_effective_memsize(void); 437 438 /* $(BOARD)/$(BOARD).c */ 439 void reset_phy (void); 440 void fdc_hw_init (void); 441 442 /* $(BOARD)/eeprom.c */ 443 void eeprom_init (void); 444 #ifndef CONFIG_SPI 445 int eeprom_probe (unsigned dev_addr, unsigned offset); 446 #endif 447 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 448 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 449 450 /* 451 * Set this up regardless of board 452 * type, to prevent errors. 453 */ 454 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 455 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 456 #else 457 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 458 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 459 #endif 460 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 461 462 #if defined(CONFIG_SPI) 463 extern void spi_init_f (void); 464 extern void spi_init_r (void); 465 extern ssize_t spi_read (uchar *, int, uchar *, int); 466 extern ssize_t spi_write (uchar *, int, uchar *, int); 467 #endif 468 469 /* $(BOARD)/$(BOARD).c */ 470 int board_early_init_f (void); 471 int board_late_init (void); 472 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 473 int board_early_init_r (void); 474 void board_poweroff (void); 475 476 #if defined(CONFIG_SYS_DRAM_TEST) 477 int testdram(void); 478 #endif /* CONFIG_SYS_DRAM_TEST */ 479 480 /* $(CPU)/start.S */ 481 #if defined(CONFIG_5xx) || \ 482 defined(CONFIG_8xx) 483 uint get_immr (uint); 484 #endif 485 uint get_pir (void); 486 #if defined(CONFIG_MPC5xxx) 487 uint get_svr (void); 488 #endif 489 uint get_pvr (void); 490 uint get_svr (void); 491 uint rd_ic_cst (void); 492 void wr_ic_cst (uint); 493 void wr_ic_adr (uint); 494 uint rd_dc_cst (void); 495 void wr_dc_cst (uint); 496 void wr_dc_adr (uint); 497 int icache_status (void); 498 void icache_enable (void); 499 void icache_disable(void); 500 int dcache_status (void); 501 void dcache_enable (void); 502 void dcache_disable(void); 503 void mmu_disable(void); 504 #if defined(CONFIG_ARM) 505 void relocate_code(ulong); 506 #else 507 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 508 #endif 509 ulong get_endaddr (void); 510 void trap_init (ulong); 511 #if defined (CONFIG_4xx) || \ 512 defined (CONFIG_MPC5xxx) || \ 513 defined (CONFIG_MPC85xx) || \ 514 defined (CONFIG_MPC86xx) || \ 515 defined (CONFIG_MPC83xx) 516 unsigned char in8(unsigned int); 517 void out8(unsigned int, unsigned char); 518 unsigned short in16(unsigned int); 519 unsigned short in16r(unsigned int); 520 void out16(unsigned int, unsigned short value); 521 void out16r(unsigned int, unsigned short value); 522 unsigned long in32(unsigned int); 523 unsigned long in32r(unsigned int); 524 void out32(unsigned int, unsigned long value); 525 void out32r(unsigned int, unsigned long value); 526 void ppcDcbf(unsigned long value); 527 void ppcDcbi(unsigned long value); 528 void ppcSync(void); 529 void ppcDcbz(unsigned long value); 530 #endif 531 #if defined (CONFIG_MICROBLAZE) 532 unsigned short in16(unsigned int); 533 void out16(unsigned int, unsigned short value); 534 #endif 535 536 #if defined (CONFIG_MPC83xx) 537 void ppcDWload(unsigned int *addr, unsigned int *ret); 538 void ppcDWstore(unsigned int *addr, unsigned int *value); 539 void disable_addr_trans(void); 540 void enable_addr_trans(void); 541 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 542 void ddr_enable_ecc(unsigned int dram_size); 543 #endif 544 #endif 545 546 /* 547 * Return the current value of a monotonically increasing microsecond timer. 548 * Granularity may be larger than 1us if hardware does not support this. 549 */ 550 ulong timer_get_us(void); 551 552 /* $(CPU)/cpu.c */ 553 static inline int cpumask_next(int cpu, unsigned int mask) 554 { 555 for (cpu++; !((1 << cpu) & mask); cpu++) 556 ; 557 558 return cpu; 559 } 560 561 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 562 for (iter = 0, cpu = cpumask_next(-1, mask); \ 563 iter < num_cpus; \ 564 iter++, cpu = cpumask_next(cpu, mask)) \ 565 566 int cpu_numcores (void); 567 int cpu_num_dspcores(void); 568 u32 cpu_mask (void); 569 u32 cpu_dsp_mask(void); 570 int is_core_valid (unsigned int); 571 int probecpu (void); 572 int checkcpu (void); 573 int checkicache (void); 574 int checkdcache (void); 575 void upmconfig (unsigned int, unsigned int *, unsigned int); 576 ulong get_tbclk (void); 577 void reset_misc (void); 578 void reset_cpu (ulong addr); 579 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 580 void ft_cpu_setup(void *blob, bd_t *bd); 581 #ifdef CONFIG_PCI 582 void ft_pci_setup(void *blob, bd_t *bd); 583 #endif 584 #endif 585 586 void smp_set_core_boot_addr(unsigned long addr, int corenr); 587 void smp_kick_all_cpus(void); 588 589 /* $(CPU)/serial.c */ 590 int serial_init (void); 591 void serial_setbrg (void); 592 void serial_putc (const char); 593 void serial_putc_raw(const char); 594 void serial_puts (const char *); 595 int serial_getc (void); 596 int serial_tstc (void); 597 598 /* These versions take a stdio_dev pointer */ 599 struct stdio_dev; 600 int serial_stub_getc(struct stdio_dev *sdev); 601 int serial_stub_tstc(struct stdio_dev *sdev); 602 603 /* $(CPU)/speed.c */ 604 int get_clocks (void); 605 int get_clocks_866 (void); 606 int sdram_adjust_866 (void); 607 int adjust_sdram_tbs_8xx (void); 608 #if defined(CONFIG_MPC8260) 609 int prt_8260_clks (void); 610 #elif defined(CONFIG_MPC5xxx) 611 int prt_mpc5xxx_clks (void); 612 #endif 613 #ifdef CONFIG_4xx 614 ulong get_OPB_freq (void); 615 ulong get_PCI_freq (void); 616 #endif 617 #if defined(CONFIG_S3C24X0) || \ 618 defined(CONFIG_LH7A40X) || \ 619 defined(CONFIG_EP93XX) 620 ulong get_FCLK (void); 621 ulong get_HCLK (void); 622 ulong get_PCLK (void); 623 ulong get_UCLK (void); 624 #endif 625 #if defined(CONFIG_LH7A40X) 626 ulong get_PLLCLK (void); 627 #endif 628 #if defined(CONFIG_IMX) 629 ulong get_systemPLLCLK(void); 630 ulong get_FCLK(void); 631 ulong get_HCLK(void); 632 ulong get_BCLK(void); 633 ulong get_PERCLK1(void); 634 ulong get_PERCLK2(void); 635 ulong get_PERCLK3(void); 636 #endif 637 ulong get_bus_freq (ulong); 638 int get_serial_clock(void); 639 640 #if defined(CONFIG_MPC85xx) 641 typedef MPC85xx_SYS_INFO sys_info_t; 642 void get_sys_info ( sys_info_t * ); 643 # if defined(CONFIG_OF_LIBFDT) 644 void ft_fixup_cpu(void *, u64); 645 void ft_fixup_num_cores(void *); 646 # endif 647 #endif 648 #if defined(CONFIG_MPC86xx) 649 typedef MPC86xx_SYS_INFO sys_info_t; 650 void get_sys_info ( sys_info_t * ); 651 static inline ulong get_ddr_freq(ulong dummy) 652 { 653 return get_bus_freq(dummy); 654 } 655 #else 656 ulong get_ddr_freq(ulong); 657 #endif 658 659 #if defined(CONFIG_4xx) 660 # if defined(CONFIG_440) 661 # if defined(CONFIG_440SPE) 662 unsigned long determine_sysper(void); 663 unsigned long determine_pci_clock_per(void); 664 # endif 665 # endif 666 typedef PPC4xx_SYS_INFO sys_info_t; 667 int ppc440spe_revB(void); 668 void get_sys_info ( sys_info_t * ); 669 #endif 670 671 /* $(CPU)/cpu_init.c */ 672 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 673 void cpu_init_f (volatile immap_t *immr); 674 #endif 675 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 676 void cpu_init_f (void); 677 #endif 678 #ifdef CONFIG_MPC85xx 679 ulong cpu_init_f(void); 680 #endif 681 682 int cpu_init_r (void); 683 #if defined(CONFIG_MPC8260) 684 int prt_8260_rsr (void); 685 #elif defined(CONFIG_MPC83xx) 686 int prt_83xx_rsr (void); 687 #endif 688 689 /* $(CPU)/interrupts.c */ 690 int interrupt_init (void); 691 void timer_interrupt (struct pt_regs *); 692 void external_interrupt (struct pt_regs *); 693 void irq_install_handler(int, interrupt_handler_t *, void *); 694 void irq_free_handler (int); 695 void reset_timer (void); 696 ulong get_timer (ulong base); 697 698 /* Return value of monotonic microsecond timer */ 699 unsigned long timer_get_us(void); 700 701 void enable_interrupts (void); 702 int disable_interrupts (void); 703 704 /* $(CPU)/.../commproc.c */ 705 int dpram_init (void); 706 uint dpram_base(void); 707 uint dpram_base_align(uint align); 708 uint dpram_alloc(uint size); 709 uint dpram_alloc_align(uint size,uint align); 710 void bootcount_store (ulong); 711 ulong bootcount_load (void); 712 #define BOOTCOUNT_MAGIC 0xB001C041 713 714 /* $(CPU)/.../<eth> */ 715 void mii_init (void); 716 717 /* $(CPU)/.../lcd.c */ 718 ulong lcd_setmem (ulong); 719 720 /* $(CPU)/.../video.c */ 721 ulong video_setmem (ulong); 722 723 /* arch/$(ARCH)/lib/cache.c */ 724 void enable_caches(void); 725 void flush_cache (unsigned long, unsigned long); 726 void flush_dcache_all(void); 727 void flush_dcache_range(unsigned long start, unsigned long stop); 728 void invalidate_dcache_range(unsigned long start, unsigned long stop); 729 void invalidate_dcache_all(void); 730 void invalidate_icache_all(void); 731 732 /* arch/$(ARCH)/lib/ticks.S */ 733 uint64_t get_ticks(void); 734 void wait_ticks (unsigned long); 735 736 /* arch/$(ARCH)/lib/time.c */ 737 void __udelay (unsigned long); 738 ulong usec2ticks (unsigned long usec); 739 ulong ticks2usec (unsigned long ticks); 740 int init_timebase (void); 741 742 /* lib/gunzip.c */ 743 int gunzip(void *, int, unsigned char *, unsigned long *); 744 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 745 int stoponerr, int offset); 746 747 /* lib/qsort.c */ 748 void qsort(void *base, size_t nmemb, size_t size, 749 int(*compar)(const void *, const void *)); 750 int strcmp_compar(const void *, const void *); 751 752 /* lib/time.c */ 753 void udelay (unsigned long); 754 void mdelay(unsigned long); 755 756 /* lib/uuid.c */ 757 #include <uuid.h> 758 759 /* lib/vsprintf.c */ 760 #include <vsprintf.h> 761 762 /* lib/strmhz.c */ 763 char * strmhz(char *buf, unsigned long hz); 764 765 /* lib/crc32.c */ 766 #include <u-boot/crc.h> 767 768 /* lib/rand.c */ 769 #define RAND_MAX -1U 770 void srand(unsigned int seed); 771 unsigned int rand(void); 772 unsigned int rand_r(unsigned int *seedp); 773 774 /* common/console.c */ 775 int console_init_f(void); /* Before relocation; uses the serial stuff */ 776 int console_init_r(void); /* After relocation; uses the console stuff */ 777 int console_assign(int file, const char *devname); /* Assign the console */ 778 int ctrlc (void); 779 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 780 void clear_ctrlc (void); /* clear the Control-C condition */ 781 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 782 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 783 /* 784 * STDIO based functions (can always be used) 785 */ 786 /* serial stuff */ 787 int serial_printf (const char *fmt, ...) 788 __attribute__ ((format (__printf__, 1, 2))); 789 /* stdin */ 790 int getc(void); 791 int tstc(void); 792 793 /* stdout */ 794 void putc(const char c); 795 void puts(const char *s); 796 int printf(const char *fmt, ...) 797 __attribute__ ((format (__printf__, 1, 2))); 798 int vprintf(const char *fmt, va_list args); 799 800 /* stderr */ 801 #define eputc(c) fputc(stderr, c) 802 #define eputs(s) fputs(stderr, s) 803 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 804 805 /* 806 * FILE based functions (can only be used AFTER relocation!) 807 */ 808 #define stdin 0 809 #define stdout 1 810 #define stderr 2 811 #define MAX_FILES 3 812 813 int fprintf(int file, const char *fmt, ...) 814 __attribute__ ((format (__printf__, 2, 3))); 815 void fputs(int file, const char *s); 816 void fputc(int file, const char c); 817 int ftstc(int file); 818 int fgetc(int file); 819 820 /* lib/gzip.c */ 821 int gzip(void *dst, unsigned long *lenp, 822 unsigned char *src, unsigned long srclen); 823 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 824 unsigned long srclen, int stoponerr, 825 int (*func)(unsigned long, unsigned long)); 826 827 /* lib/net_utils.c */ 828 #include <net.h> 829 static inline IPaddr_t getenv_IPaddr(char *var) 830 { 831 return string_to_ip(getenv(var)); 832 } 833 834 /* 835 * CONSOLE multiplexing. 836 */ 837 #ifdef CONFIG_CONSOLE_MUX 838 #include <iomux.h> 839 #endif 840 841 int pcmcia_init (void); 842 843 #ifdef CONFIG_STATUS_LED 844 # include <status_led.h> 845 #endif 846 847 #include <bootstage.h> 848 849 #ifdef CONFIG_SHOW_ACTIVITY 850 void show_activity(int arg); 851 #endif 852 853 /* Multicore arch functions */ 854 #ifdef CONFIG_MP 855 int cpu_status(int nr); 856 int cpu_reset(int nr); 857 int cpu_disable(int nr); 858 int cpu_release(int nr, int argc, char * const argv[]); 859 #endif 860 861 #endif /* __ASSEMBLY__ */ 862 863 #ifdef CONFIG_PPC 864 /* 865 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 866 * Otherwise might lead to compilation errors in assembler files. 867 */ 868 #include <asm/cache.h> 869 #endif 870 871 /* Put only stuff here that the assembler can digest */ 872 873 #ifdef CONFIG_POST 874 #define CONFIG_HAS_POST 875 #ifndef CONFIG_POST_ALT_LIST 876 #define CONFIG_POST_STD_LIST 877 #endif 878 #endif 879 880 #ifdef CONFIG_INIT_CRITICAL 881 #error CONFIG_INIT_CRITICAL is deprecated! 882 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 883 #endif 884 885 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 886 887 /* 888 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 889 * is used to align DMA buffers. 890 */ 891 #ifndef __ASSEMBLY__ 892 #include <asm/cache.h> 893 #endif 894 895 /* 896 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 897 * stack that meets the minimum architecture alignment requirements for DMA. 898 * Such a buffer is useful for DMA operations where flushing and invalidating 899 * the cache before and after a read and/or write operation is required for 900 * correct operations. 901 * 902 * When called the macro creates an array on the stack that is sized such 903 * that: 904 * 905 * 1) The beginning of the array can be advanced enough to be aligned. 906 * 907 * 2) The size of the aligned portion of the array is a multiple of the minimum 908 * architecture alignment required for DMA. 909 * 910 * 3) The aligned portion contains enough space for the original number of 911 * elements requested. 912 * 913 * The macro then creates a pointer to the aligned portion of this array and 914 * assigns to the pointer the address of the first element in the aligned 915 * portion of the array. 916 * 917 * Calling the macro as: 918 * 919 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 920 * 921 * Will result in something similar to saying: 922 * 923 * uint32_t buffer[1024]; 924 * 925 * The following differences exist: 926 * 927 * 1) The resulting buffer is guaranteed to be aligned to the value of 928 * ARCH_DMA_MINALIGN. 929 * 930 * 2) The buffer variable created by the macro is a pointer to the specified 931 * type, and NOT an array of the specified type. This can be very important 932 * if you want the address of the buffer, which you probably do, to pass it 933 * to the DMA hardware. The value of &buffer is different in the two cases. 934 * In the macro case it will be the address of the pointer, not the address 935 * of the space reserved for the buffer. However, in the second case it 936 * would be the address of the buffer. So if you are replacing hard coded 937 * stack buffers with this macro you need to make sure you remove the & from 938 * the locations where you are taking the address of the buffer. 939 * 940 * Note that the size parameter is the number of array elements to allocate, 941 * not the number of bytes. 942 * 943 * This macro can not be used outside of function scope, or for the creation 944 * of a function scoped static buffer. It can not be used to create a cache 945 * line aligned global buffer. 946 */ 947 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 948 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 949 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 950 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 951 + (align - 1)]; \ 952 \ 953 type *name = (type *) ALIGN((uintptr_t)__##name, align) 954 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 955 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 956 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 957 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 958 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 959 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 960 961 /* 962 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 963 * purpose is to allow allocating aligned buffers outside of function scope. 964 * Usage of this macro shall be avoided or used with extreme care! 965 */ 966 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 967 static char __##name[ALIGN(size * sizeof(type), align)] \ 968 __aligned(align); \ 969 \ 970 static type *name = (type *)__##name 971 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 972 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 973 974 /* Pull in stuff for the build system */ 975 #ifdef DO_DEPS_ONLY 976 # include <environment.h> 977 #endif 978 979 #endif /* __COMMON_H_ */ 980