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 #ifdef CONFIG_FSL_LSCH3 80 #include <asm/arch/immap_lsch3.h> 81 #endif 82 #ifdef CONFIG_FSL_LSCH2 83 #include <asm/arch/immap_lsch2.h> 84 #endif 85 86 #include <part.h> 87 #include <flash.h> 88 #include <image.h> 89 90 /* Bring in printf format macros if inttypes.h is included */ 91 #define __STDC_FORMAT_MACROS 92 93 #ifdef __LP64__ 94 #define CONFIG_SYS_SUPPORT_64BIT_DATA 95 #endif 96 97 #ifdef DEBUG 98 #define _DEBUG 1 99 #else 100 #define _DEBUG 0 101 #endif 102 103 #ifndef pr_fmt 104 #define pr_fmt(fmt) fmt 105 #endif 106 107 /* 108 * Output a debug text when condition "cond" is met. The "cond" should be 109 * computed by a preprocessor in the best case, allowing for the best 110 * optimization. 111 */ 112 #define debug_cond(cond, fmt, args...) \ 113 do { \ 114 if (cond) \ 115 printf(pr_fmt(fmt), ##args); \ 116 } while (0) 117 118 #define debug(fmt, args...) \ 119 debug_cond(_DEBUG, fmt, ##args) 120 121 /* 122 * An assertion is run-time check done in debug mode only. If DEBUG is not 123 * defined then it is skipped. If DEBUG is defined and the assertion fails, 124 * then it calls panic*( which may or may not reset/halt U-Boot (see 125 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 126 * before release, and after release it is hoped that they don't matter. But 127 * in any case these failing assertions cannot be fixed with a reset (which 128 * may just do the same assertion again). 129 */ 130 void __assert_fail(const char *assertion, const char *file, unsigned line, 131 const char *function); 132 #define assert(x) \ 133 ({ if (!(x) && _DEBUG) \ 134 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 135 136 #define error(fmt, args...) do { \ 137 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 138 ##args, __FILE__, __LINE__, __func__); \ 139 } while (0) 140 141 #ifndef BUG 142 #define BUG() do { \ 143 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 144 panic("BUG!"); \ 145 } while (0) 146 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 147 #endif /* BUG */ 148 149 /* Force a compilation error if condition is true */ 150 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 151 152 typedef void (interrupt_handler_t)(void *); 153 154 #include <asm/u-boot.h> /* boot information for Linux kernel */ 155 #include <asm/global_data.h> /* global data used for startup functions */ 156 157 /* 158 * enable common handling for all TQM8xxL/M boards: 159 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 160 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 161 * and for the TQM885D board 162 */ 163 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 164 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 165 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 166 # ifndef CONFIG_TQM8xxM 167 # define CONFIG_TQM8xxM 168 # endif 169 #endif 170 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 171 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 172 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 173 defined(CONFIG_TQM885D) 174 # ifndef CONFIG_TQM8xxL 175 # define CONFIG_TQM8xxL 176 # endif 177 #endif 178 179 #if defined(CONFIG_ENV_IS_EMBEDDED) 180 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 181 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 182 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 183 defined(CONFIG_ENV_IS_IN_NVRAM) 184 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 185 #else 186 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 187 #endif 188 189 /* 190 * Function Prototypes 191 */ 192 int dram_init(void); 193 194 void hang (void) __attribute__ ((noreturn)); 195 196 int timer_init(void); 197 int cpu_init(void); 198 199 /* */ 200 phys_size_t initdram (int); 201 202 #include <display_options.h> 203 204 /* common/main.c */ 205 void main_loop (void); 206 int run_command(const char *cmd, int flag); 207 int run_command_repeatable(const char *cmd, int flag); 208 209 /** 210 * Run a list of commands separated by ; or even \0 211 * 212 * Note that if 'len' is not -1, then the command does not need to be nul 213 * terminated, Memory will be allocated for the command in that case. 214 * 215 * @param cmd List of commands to run, each separated bu semicolon 216 * @param len Length of commands excluding terminator if known (-1 if not) 217 * @param flag Execution flags (CMD_FLAG_...) 218 * @return 0 on success, or != 0 on error. 219 */ 220 int run_command_list(const char *cmd, int len, int flag); 221 222 /* arch/$(ARCH)/lib/board.c */ 223 void board_init_f(ulong); 224 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 225 226 /** 227 * board_init_f_mem() - Allocate global data and set stack position 228 * 229 * This function is called by each architecture very early in the start-up 230 * code to set up the environment for board_init_f(). It allocates space for 231 * global_data (see include/asm-generic/global_data.h) and places the stack 232 * below this. 233 * 234 * This function requires a stack[1] Normally this is at @top. The function 235 * starts allocating space from 64 bytes below @top. First it creates space 236 * for global_data. Then it calls arch_setup_gd() which sets gd to point to 237 * the global_data space and can reserve additional bytes of space if 238 * required). Finally it allocates early malloc() memory 239 * (CONFIG_SYS_MALLOC_F_LEN). The new top of the stack is just below this, 240 * and it returned by this function. 241 * 242 * [1] Strictly speaking it would be possible to implement this function 243 * in C on many archs such that it does not require a stack. However this 244 * does not seem hugely important as only 64 byte are wasted. The 64 bytes 245 * are used to handle the calling standard which generally requires pushing 246 * addresses or registers onto the stack. We should be able to get away with 247 * less if this becomes important. 248 * 249 * @top: Top of available memory, also normally the top of the stack 250 * @return: New stack location 251 */ 252 ulong board_init_f_mem(ulong top); 253 254 /** 255 * arch_setup_gd() - Set up the global_data pointer 256 * 257 * This pointer is special in some architectures and cannot easily be assigned 258 * to. For example on x86 it is implemented by adding a specific record to its 259 * Global Descriptor Table! So we we provide a function to carry out this task. 260 * For most architectures this can simply be: 261 * 262 * gd = gd_ptr; 263 * 264 * @gd_ptr: Pointer to global data 265 */ 266 void arch_setup_gd(gd_t *gd_ptr); 267 268 int checkboard(void); 269 int show_board_info(void); 270 int checkflash(void); 271 int checkdram(void); 272 int last_stage_init(void); 273 extern ulong monitor_flash_len; 274 int mac_read_from_eeprom(void); 275 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 276 int set_cpu_clk_info(void); 277 int mdm_init(void); 278 #if defined(CONFIG_DISPLAY_CPUINFO) 279 int print_cpuinfo(void); 280 #else 281 static inline int print_cpuinfo(void) 282 { 283 return 0; 284 } 285 #endif 286 int update_flash_size(int flash_size); 287 int arch_early_init_r(void); 288 289 /** 290 * arch_cpu_init_dm() - init CPU after driver model is available 291 * 292 * This is called immediately after driver model is available before 293 * relocation. This is similar to arch_cpu_init() but is able to reference 294 * devices 295 * 296 * @return 0 if OK, -ve on error 297 */ 298 int arch_cpu_init_dm(void); 299 300 /** 301 * Reserve all necessary stacks 302 * 303 * This is used in generic board init sequence in common/board_f.c. Each 304 * architecture could provide this function to tailor the required stacks. 305 * 306 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 307 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 308 * require only this can leave it untouched. 309 * 310 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 311 * positions of the stack. The stack pointer(s) will be set to this later. 312 * gd->irq_sp is only required, if the architecture needs it. 313 * 314 * @return 0 if no error 315 */ 316 __weak int arch_reserve_stacks(void); 317 318 /** 319 * Show the DRAM size in a board-specific way 320 * 321 * This is used by boards to display DRAM information in their own way. 322 * 323 * @param size Size of DRAM (which should be displayed along with other info) 324 */ 325 void board_show_dram(phys_size_t size); 326 327 /** 328 * arch_fixup_fdt() - Write arch-specific information to fdt 329 * 330 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 331 * 332 * @blob: FDT blob to write to 333 * @return 0 if ok, or -ve FDT_ERR_... on failure 334 */ 335 int arch_fixup_fdt(void *blob); 336 337 /* common/flash.c */ 338 void flash_perror (int); 339 340 /* common/cmd_source.c */ 341 int source (ulong addr, const char *fit_uname); 342 343 extern ulong load_addr; /* Default Load Address */ 344 extern ulong save_addr; /* Default Save Address */ 345 extern ulong save_size; /* Default Save Size */ 346 347 /* common/cmd_doc.c */ 348 void doc_probe(unsigned long physadr); 349 350 /* common/cmd_net.c */ 351 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 352 353 /* common/cmd_fat.c */ 354 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 355 356 /* common/cmd_ext2.c */ 357 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 358 359 /* common/cmd_nvedit.c */ 360 int env_init (void); 361 void env_relocate (void); 362 int envmatch (uchar *, int); 363 364 /* Avoid unfortunate conflict with libc's getenv() */ 365 #ifdef CONFIG_SANDBOX 366 #define getenv uboot_getenv 367 #endif 368 char *getenv (const char *); 369 int getenv_f (const char *name, char *buf, unsigned len); 370 ulong getenv_ulong(const char *name, int base, ulong default_val); 371 372 /** 373 * getenv_hex() - Return an environment variable as a hex value 374 * 375 * Decode an environment as a hex number (it may or may not have a 0x 376 * prefix). If the environment variable cannot be found, or does not start 377 * with hex digits, the default value is returned. 378 * 379 * @varname: Variable to decode 380 * @default_val: Value to return on error 381 */ 382 ulong getenv_hex(const char *varname, ulong default_val); 383 384 /* 385 * Read an environment variable as a boolean 386 * Return -1 if variable does not exist (default to true) 387 */ 388 int getenv_yesno(const char *var); 389 int saveenv (void); 390 int setenv (const char *, const char *); 391 int setenv_ulong(const char *varname, ulong value); 392 int setenv_hex(const char *varname, ulong value); 393 /** 394 * setenv_addr - Set an environment variable to an address in hex 395 * 396 * @varname: Environment variable to set 397 * @addr: Value to set it to 398 * @return 0 if ok, 1 on error 399 */ 400 static inline int setenv_addr(const char *varname, const void *addr) 401 { 402 return setenv_hex(varname, (ulong)addr); 403 } 404 405 #ifdef CONFIG_ARM 406 # include <asm/mach-types.h> 407 # include <asm/setup.h> 408 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 409 #endif /* CONFIG_ARM */ 410 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 411 # include <asm/u-boot-x86.h> 412 #endif /* CONFIG_X86 */ 413 #ifdef CONFIG_SANDBOX 414 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 415 #endif 416 #ifdef CONFIG_NDS32 417 # include <asm/mach-types.h> 418 # include <asm/setup.h> 419 # include <asm/u-boot-nds32.h> 420 #endif /* CONFIG_NDS32 */ 421 #ifdef CONFIG_MIPS 422 # include <asm/u-boot-mips.h> 423 #endif /* CONFIG_MIPS */ 424 #ifdef CONFIG_ARC 425 # include <asm/u-boot-arc.h> 426 #endif /* CONFIG_ARC */ 427 428 #ifdef CONFIG_AUTO_COMPLETE 429 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 430 #endif 431 int get_env_id (void); 432 433 void pci_init (void); 434 void pci_init_board(void); 435 void pciinfo (int, int); 436 437 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 438 int pci_pre_init (struct pci_controller *); 439 int is_pci_host (struct pci_controller *); 440 #endif 441 442 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 443 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 444 void pci_target_init (struct pci_controller *); 445 # endif 446 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 447 void pci_master_init (struct pci_controller *); 448 # endif 449 #if defined(CONFIG_440SPE) || \ 450 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 451 defined(CONFIG_405EX) 452 void pcie_setup_hoses(int busno); 453 #endif 454 #endif 455 456 int misc_init_f (void); 457 int misc_init_r (void); 458 459 /* common/exports.c */ 460 void jumptable_init(void); 461 462 /* common/kallsysm.c */ 463 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 464 465 /* api/api.c */ 466 void api_init (void); 467 468 /* common/memsize.c */ 469 long get_ram_size (long *, long); 470 phys_size_t get_effective_memsize(void); 471 472 /* $(BOARD)/$(BOARD).c */ 473 void reset_phy (void); 474 void fdc_hw_init (void); 475 476 /* $(BOARD)/eeprom.c */ 477 void eeprom_init (void); 478 #ifndef CONFIG_SPI 479 int eeprom_probe (unsigned dev_addr, unsigned offset); 480 #endif 481 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 482 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 483 484 /* 485 * Set this up regardless of board 486 * type, to prevent errors. 487 */ 488 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 489 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 490 #else 491 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 492 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 493 #endif 494 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 495 496 #if defined(CONFIG_SPI) 497 extern void spi_init_f (void); 498 extern void spi_init_r (void); 499 extern ssize_t spi_read (uchar *, int, uchar *, int); 500 extern ssize_t spi_write (uchar *, int, uchar *, int); 501 #endif 502 503 /* $(BOARD)/$(BOARD).c */ 504 int board_early_init_f (void); 505 int board_late_init (void); 506 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 507 int board_early_init_r (void); 508 void board_poweroff (void); 509 510 #if defined(CONFIG_SYS_DRAM_TEST) 511 int testdram(void); 512 #endif /* CONFIG_SYS_DRAM_TEST */ 513 514 /* $(CPU)/start.S */ 515 #if defined(CONFIG_5xx) || \ 516 defined(CONFIG_8xx) 517 uint get_immr (uint); 518 #endif 519 #if defined(CONFIG_MPC5xxx) 520 uint get_svr (void); 521 #endif 522 uint get_pvr (void); 523 uint get_svr (void); 524 uint rd_ic_cst (void); 525 void wr_ic_cst (uint); 526 void wr_ic_adr (uint); 527 uint rd_dc_cst (void); 528 void wr_dc_cst (uint); 529 void wr_dc_adr (uint); 530 int icache_status (void); 531 void icache_enable (void); 532 void icache_disable(void); 533 int dcache_status (void); 534 void dcache_enable (void); 535 void dcache_disable(void); 536 void mmu_disable(void); 537 #if defined(CONFIG_ARM) 538 void relocate_code(ulong); 539 #else 540 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 541 #endif 542 ulong get_endaddr (void); 543 void trap_init (ulong); 544 #if defined (CONFIG_4xx) || \ 545 defined (CONFIG_MPC5xxx) || \ 546 defined (CONFIG_MPC85xx) || \ 547 defined (CONFIG_MPC86xx) || \ 548 defined (CONFIG_MPC83xx) 549 unsigned char in8(unsigned int); 550 void out8(unsigned int, unsigned char); 551 unsigned short in16(unsigned int); 552 unsigned short in16r(unsigned int); 553 void out16(unsigned int, unsigned short value); 554 void out16r(unsigned int, unsigned short value); 555 unsigned long in32(unsigned int); 556 unsigned long in32r(unsigned int); 557 void out32(unsigned int, unsigned long value); 558 void out32r(unsigned int, unsigned long value); 559 void ppcDcbf(unsigned long value); 560 void ppcDcbi(unsigned long value); 561 void ppcSync(void); 562 void ppcDcbz(unsigned long value); 563 #endif 564 #if defined (CONFIG_MICROBLAZE) 565 unsigned short in16(unsigned int); 566 void out16(unsigned int, unsigned short value); 567 #endif 568 569 #if defined (CONFIG_MPC83xx) 570 void ppcDWload(unsigned int *addr, unsigned int *ret); 571 void ppcDWstore(unsigned int *addr, unsigned int *value); 572 void disable_addr_trans(void); 573 void enable_addr_trans(void); 574 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 575 void ddr_enable_ecc(unsigned int dram_size); 576 #endif 577 #endif 578 579 /* 580 * Return the current value of a monotonically increasing microsecond timer. 581 * Granularity may be larger than 1us if hardware does not support this. 582 */ 583 ulong timer_get_us(void); 584 585 /* $(CPU)/cpu.c */ 586 static inline int cpumask_next(int cpu, unsigned int mask) 587 { 588 for (cpu++; !((1 << cpu) & mask); cpu++) 589 ; 590 591 return cpu; 592 } 593 594 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 595 for (iter = 0, cpu = cpumask_next(-1, mask); \ 596 iter < num_cpus; \ 597 iter++, cpu = cpumask_next(cpu, mask)) \ 598 599 int cpu_numcores (void); 600 int cpu_num_dspcores(void); 601 u32 cpu_mask (void); 602 u32 cpu_dsp_mask(void); 603 int is_core_valid (unsigned int); 604 int probecpu (void); 605 int checkcpu (void); 606 int checkicache (void); 607 int checkdcache (void); 608 void upmconfig (unsigned int, unsigned int *, unsigned int); 609 ulong get_tbclk (void); 610 void reset_misc (void); 611 void reset_cpu (ulong addr); 612 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 613 void ft_cpu_setup(void *blob, bd_t *bd); 614 #ifdef CONFIG_PCI 615 void ft_pci_setup(void *blob, bd_t *bd); 616 #endif 617 #endif 618 619 void smp_set_core_boot_addr(unsigned long addr, int corenr); 620 void smp_kick_all_cpus(void); 621 622 /* $(CPU)/serial.c */ 623 int serial_init (void); 624 void serial_setbrg (void); 625 void serial_putc (const char); 626 void serial_putc_raw(const char); 627 void serial_puts (const char *); 628 int serial_getc (void); 629 int serial_tstc (void); 630 631 /* These versions take a stdio_dev pointer */ 632 struct stdio_dev; 633 int serial_stub_getc(struct stdio_dev *sdev); 634 int serial_stub_tstc(struct stdio_dev *sdev); 635 636 /* $(CPU)/speed.c */ 637 int get_clocks (void); 638 int get_clocks_866 (void); 639 int sdram_adjust_866 (void); 640 int adjust_sdram_tbs_8xx (void); 641 #if defined(CONFIG_MPC8260) 642 int prt_8260_clks (void); 643 #elif defined(CONFIG_MPC5xxx) 644 int prt_mpc5xxx_clks (void); 645 #endif 646 #ifdef CONFIG_4xx 647 ulong get_OPB_freq (void); 648 ulong get_PCI_freq (void); 649 #endif 650 #if defined(CONFIG_S3C24X0) || \ 651 defined(CONFIG_LH7A40X) || \ 652 defined(CONFIG_EP93XX) 653 ulong get_FCLK (void); 654 ulong get_HCLK (void); 655 ulong get_PCLK (void); 656 ulong get_UCLK (void); 657 #endif 658 #if defined(CONFIG_LH7A40X) 659 ulong get_PLLCLK (void); 660 #endif 661 #if defined(CONFIG_IMX) 662 ulong get_systemPLLCLK(void); 663 ulong get_FCLK(void); 664 ulong get_HCLK(void); 665 ulong get_BCLK(void); 666 ulong get_PERCLK1(void); 667 ulong get_PERCLK2(void); 668 ulong get_PERCLK3(void); 669 #endif 670 ulong get_bus_freq (ulong); 671 int get_serial_clock(void); 672 673 #if defined(CONFIG_MPC85xx) 674 typedef MPC85xx_SYS_INFO sys_info_t; 675 void get_sys_info ( sys_info_t * ); 676 # if defined(CONFIG_OF_LIBFDT) 677 void ft_fixup_cpu(void *, u64); 678 void ft_fixup_num_cores(void *); 679 # endif 680 #endif 681 #if defined(CONFIG_MPC86xx) 682 typedef MPC86xx_SYS_INFO sys_info_t; 683 void get_sys_info ( sys_info_t * ); 684 static inline ulong get_ddr_freq(ulong dummy) 685 { 686 return get_bus_freq(dummy); 687 } 688 #else 689 ulong get_ddr_freq(ulong); 690 #endif 691 692 #if defined(CONFIG_4xx) 693 # if defined(CONFIG_440) 694 # if defined(CONFIG_440SPE) 695 unsigned long determine_sysper(void); 696 unsigned long determine_pci_clock_per(void); 697 # endif 698 # endif 699 typedef PPC4xx_SYS_INFO sys_info_t; 700 int ppc440spe_revB(void); 701 void get_sys_info ( sys_info_t * ); 702 #endif 703 704 /* $(CPU)/cpu_init.c */ 705 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 706 void cpu_init_f (volatile immap_t *immr); 707 #endif 708 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 709 void cpu_init_f (void); 710 #endif 711 #ifdef CONFIG_MPC85xx 712 ulong cpu_init_f(void); 713 #endif 714 715 int cpu_init_r (void); 716 #if defined(CONFIG_MPC8260) 717 int prt_8260_rsr (void); 718 #elif defined(CONFIG_MPC83xx) 719 int prt_83xx_rsr (void); 720 #endif 721 722 /* $(CPU)/interrupts.c */ 723 int interrupt_init (void); 724 void timer_interrupt (struct pt_regs *); 725 void external_interrupt (struct pt_regs *); 726 void irq_install_handler(int, interrupt_handler_t *, void *); 727 void irq_free_handler (int); 728 void reset_timer (void); 729 ulong get_timer (ulong base); 730 731 /* Return value of monotonic microsecond timer */ 732 unsigned long timer_get_us(void); 733 734 void enable_interrupts (void); 735 int disable_interrupts (void); 736 737 /* $(CPU)/.../commproc.c */ 738 int dpram_init (void); 739 uint dpram_base(void); 740 uint dpram_base_align(uint align); 741 uint dpram_alloc(uint size); 742 uint dpram_alloc_align(uint size,uint align); 743 void bootcount_store (ulong); 744 ulong bootcount_load (void); 745 #define BOOTCOUNT_MAGIC 0xB001C041 746 747 /* $(CPU)/.../<eth> */ 748 void mii_init (void); 749 750 /* $(CPU)/.../lcd.c */ 751 ulong lcd_setmem (ulong); 752 753 /* $(CPU)/.../video.c */ 754 ulong video_setmem (ulong); 755 756 /* arch/$(ARCH)/lib/cache.c */ 757 void enable_caches(void); 758 void flush_cache (unsigned long, unsigned long); 759 void flush_dcache_all(void); 760 void flush_dcache_range(unsigned long start, unsigned long stop); 761 void invalidate_dcache_range(unsigned long start, unsigned long stop); 762 void invalidate_dcache_all(void); 763 void invalidate_icache_all(void); 764 765 enum { 766 /* Disable caches (else flush caches but leave them active) */ 767 CBL_DISABLE_CACHES = 1 << 0, 768 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 769 770 CBL_ALL = 3, 771 }; 772 773 /** 774 * Clean up ready for linux 775 * 776 * @param flags Flags to control what is done 777 */ 778 int cleanup_before_linux_select(int flags); 779 780 /* arch/$(ARCH)/lib/ticks.S */ 781 uint64_t get_ticks(void); 782 void wait_ticks (unsigned long); 783 784 /* arch/$(ARCH)/lib/time.c */ 785 void __udelay (unsigned long); 786 ulong usec2ticks (unsigned long usec); 787 ulong ticks2usec (unsigned long ticks); 788 int init_timebase (void); 789 790 /* lib/gunzip.c */ 791 int gunzip(void *, int, unsigned char *, unsigned long *); 792 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 793 int stoponerr, int offset); 794 795 /** 796 * gzwrite progress indicators: defined weak to allow board-specific 797 * overrides: 798 * 799 * gzwrite_progress_init called on startup 800 * gzwrite_progress called during decompress/write loop 801 * gzwrite_progress_finish called at end of loop to 802 * indicate success (retcode=0) or failure 803 */ 804 void gzwrite_progress_init(u64 expected_size); 805 806 void gzwrite_progress(int iteration, 807 u64 bytes_written, 808 u64 total_bytes); 809 810 void gzwrite_progress_finish(int retcode, 811 u64 totalwritten, 812 u64 totalsize, 813 u32 expected_crc, 814 u32 calculated_crc); 815 816 /** 817 * decompress and write gzipped image from memory to block device 818 * 819 * @param src compressed image address 820 * @param len compressed image length in bytes 821 * @param dev block device descriptor 822 * @param szwritebuf bytes per write (pad to erase size) 823 * @param startoffs offset in bytes of first write 824 * @param szexpected expected uncompressed length 825 * may be zero to use gzip trailer 826 * for files under 4GiB 827 */ 828 int gzwrite(unsigned char *src, int len, 829 struct block_dev_desc *dev, 830 unsigned long szwritebuf, 831 u64 startoffs, 832 u64 szexpected); 833 834 /* lib/lz4_wrapper.c */ 835 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 836 837 /* lib/qsort.c */ 838 void qsort(void *base, size_t nmemb, size_t size, 839 int(*compar)(const void *, const void *)); 840 int strcmp_compar(const void *, const void *); 841 842 /* lib/time.c */ 843 void udelay (unsigned long); 844 void mdelay(unsigned long); 845 846 /* lib/uuid.c */ 847 #include <uuid.h> 848 849 /* lib/vsprintf.c */ 850 #include <vsprintf.h> 851 852 /* lib/strmhz.c */ 853 char * strmhz(char *buf, unsigned long hz); 854 855 /* lib/crc32.c */ 856 #include <u-boot/crc.h> 857 858 /* lib/rand.c */ 859 #define RAND_MAX -1U 860 void srand(unsigned int seed); 861 unsigned int rand(void); 862 unsigned int rand_r(unsigned int *seedp); 863 864 /* 865 * STDIO based functions (can always be used) 866 */ 867 /* serial stuff */ 868 int serial_printf (const char *fmt, ...) 869 __attribute__ ((format (__printf__, 1, 2))); 870 /* stdin */ 871 int getc(void); 872 int tstc(void); 873 874 /* stdout */ 875 #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SERIAL_SUPPORT) 876 #define putc(...) do { } while (0) 877 #define puts(...) do { } while (0) 878 #define printf(...) do { } while (0) 879 #define vprintf(...) do { } while (0) 880 #else 881 void putc(const char c); 882 void puts(const char *s); 883 int printf(const char *fmt, ...) 884 __attribute__ ((format (__printf__, 1, 2))); 885 int vprintf(const char *fmt, va_list args); 886 #endif 887 888 /* stderr */ 889 #define eputc(c) fputc(stderr, c) 890 #define eputs(s) fputs(stderr, s) 891 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 892 893 /* 894 * FILE based functions (can only be used AFTER relocation!) 895 */ 896 #define stdin 0 897 #define stdout 1 898 #define stderr 2 899 #define MAX_FILES 3 900 901 int fprintf(int file, const char *fmt, ...) 902 __attribute__ ((format (__printf__, 2, 3))); 903 void fputs(int file, const char *s); 904 void fputc(int file, const char c); 905 int ftstc(int file); 906 int fgetc(int file); 907 908 /* lib/gzip.c */ 909 int gzip(void *dst, unsigned long *lenp, 910 unsigned char *src, unsigned long srclen); 911 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 912 unsigned long srclen, int stoponerr, 913 int (*func)(unsigned long, unsigned long)); 914 915 /* lib/net_utils.c */ 916 #include <net.h> 917 static inline struct in_addr getenv_ip(char *var) 918 { 919 return string_to_ip(getenv(var)); 920 } 921 922 int pcmcia_init (void); 923 924 #ifdef CONFIG_STATUS_LED 925 # include <status_led.h> 926 #endif 927 928 #include <bootstage.h> 929 930 #ifdef CONFIG_SHOW_ACTIVITY 931 void show_activity(int arg); 932 #endif 933 934 /* Multicore arch functions */ 935 #ifdef CONFIG_MP 936 int cpu_status(int nr); 937 int cpu_reset(int nr); 938 int cpu_disable(int nr); 939 int cpu_release(int nr, int argc, char * const argv[]); 940 #endif 941 942 #endif /* __ASSEMBLY__ */ 943 944 #ifdef CONFIG_PPC 945 /* 946 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 947 * Otherwise might lead to compilation errors in assembler files. 948 */ 949 #include <asm/cache.h> 950 #endif 951 952 /* Put only stuff here that the assembler can digest */ 953 954 #ifdef CONFIG_POST 955 #define CONFIG_HAS_POST 956 #ifndef CONFIG_POST_ALT_LIST 957 #define CONFIG_POST_STD_LIST 958 #endif 959 #endif 960 961 #ifdef CONFIG_INIT_CRITICAL 962 #error CONFIG_INIT_CRITICAL is deprecated! 963 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 964 #endif 965 966 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 967 968 /* 969 * check_member() - Check the offset of a structure member 970 * 971 * @structure: Name of structure (e.g. global_data) 972 * @member: Name of member (e.g. baudrate) 973 * @offset: Expected offset in bytes 974 */ 975 #define check_member(structure, member, offset) _Static_assert( \ 976 offsetof(struct structure, member) == offset, \ 977 "`struct " #structure "` offset for `" #member "` is not " #offset) 978 979 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 980 #ifdef CONFIG_EFI_STUB 981 #define ll_boot_init() false 982 #else 983 #define ll_boot_init() true 984 #endif 985 986 /* Pull in stuff for the build system */ 987 #ifdef DO_DEPS_ONLY 988 # include <environment.h> 989 #endif 990 991 #endif /* __COMMON_H_ */ 992