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); 435 436 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 437 int pci_pre_init (struct pci_controller *); 438 int is_pci_host (struct pci_controller *); 439 #endif 440 441 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 442 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 443 void pci_target_init (struct pci_controller *); 444 # endif 445 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 446 void pci_master_init (struct pci_controller *); 447 # endif 448 #if defined(CONFIG_440SPE) || \ 449 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 450 defined(CONFIG_405EX) 451 void pcie_setup_hoses(int busno); 452 #endif 453 #endif 454 455 int misc_init_f (void); 456 int misc_init_r (void); 457 458 /* common/exports.c */ 459 void jumptable_init(void); 460 461 /* common/kallsysm.c */ 462 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 463 464 /* api/api.c */ 465 void api_init (void); 466 467 /* common/memsize.c */ 468 long get_ram_size (long *, long); 469 phys_size_t get_effective_memsize(void); 470 471 /* $(BOARD)/$(BOARD).c */ 472 void reset_phy (void); 473 void fdc_hw_init (void); 474 475 /* $(BOARD)/eeprom.c */ 476 void eeprom_init (int bus); 477 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 478 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 479 480 /* 481 * Set this up regardless of board 482 * type, to prevent errors. 483 */ 484 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 485 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 486 #else 487 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 488 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 489 #endif 490 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 491 492 #if defined(CONFIG_SPI) 493 extern void spi_init_f (void); 494 extern void spi_init_r (void); 495 extern ssize_t spi_read (uchar *, int, uchar *, int); 496 extern ssize_t spi_write (uchar *, int, uchar *, int); 497 #endif 498 499 /* $(BOARD)/$(BOARD).c */ 500 int board_early_init_f (void); 501 int board_late_init (void); 502 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 503 int board_early_init_r (void); 504 void board_poweroff (void); 505 506 #if defined(CONFIG_SYS_DRAM_TEST) 507 int testdram(void); 508 #endif /* CONFIG_SYS_DRAM_TEST */ 509 510 /* $(CPU)/start.S */ 511 #if defined(CONFIG_5xx) || \ 512 defined(CONFIG_8xx) 513 uint get_immr (uint); 514 #endif 515 #if defined(CONFIG_MPC5xxx) 516 uint get_svr (void); 517 #endif 518 uint get_pvr (void); 519 uint get_svr (void); 520 uint rd_ic_cst (void); 521 void wr_ic_cst (uint); 522 void wr_ic_adr (uint); 523 uint rd_dc_cst (void); 524 void wr_dc_cst (uint); 525 void wr_dc_adr (uint); 526 int icache_status (void); 527 void icache_enable (void); 528 void icache_disable(void); 529 int dcache_status (void); 530 void dcache_enable (void); 531 void dcache_disable(void); 532 void mmu_disable(void); 533 #if defined(CONFIG_ARM) 534 void relocate_code(ulong); 535 #else 536 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 537 #endif 538 ulong get_endaddr (void); 539 void trap_init (ulong); 540 #if defined (CONFIG_4xx) || \ 541 defined (CONFIG_MPC5xxx) || \ 542 defined (CONFIG_MPC85xx) || \ 543 defined (CONFIG_MPC86xx) || \ 544 defined (CONFIG_MPC83xx) 545 unsigned char in8(unsigned int); 546 void out8(unsigned int, unsigned char); 547 unsigned short in16(unsigned int); 548 unsigned short in16r(unsigned int); 549 void out16(unsigned int, unsigned short value); 550 void out16r(unsigned int, unsigned short value); 551 unsigned long in32(unsigned int); 552 unsigned long in32r(unsigned int); 553 void out32(unsigned int, unsigned long value); 554 void out32r(unsigned int, unsigned long value); 555 void ppcDcbf(unsigned long value); 556 void ppcDcbi(unsigned long value); 557 void ppcSync(void); 558 void ppcDcbz(unsigned long value); 559 #endif 560 #if defined (CONFIG_MICROBLAZE) 561 unsigned short in16(unsigned int); 562 void out16(unsigned int, unsigned short value); 563 #endif 564 565 #if defined (CONFIG_MPC83xx) 566 void ppcDWload(unsigned int *addr, unsigned int *ret); 567 void ppcDWstore(unsigned int *addr, unsigned int *value); 568 void disable_addr_trans(void); 569 void enable_addr_trans(void); 570 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 571 void ddr_enable_ecc(unsigned int dram_size); 572 #endif 573 #endif 574 575 /* 576 * Return the current value of a monotonically increasing microsecond timer. 577 * Granularity may be larger than 1us if hardware does not support this. 578 */ 579 ulong timer_get_us(void); 580 581 /* $(CPU)/cpu.c */ 582 static inline int cpumask_next(int cpu, unsigned int mask) 583 { 584 for (cpu++; !((1 << cpu) & mask); cpu++) 585 ; 586 587 return cpu; 588 } 589 590 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 591 for (iter = 0, cpu = cpumask_next(-1, mask); \ 592 iter < num_cpus; \ 593 iter++, cpu = cpumask_next(cpu, mask)) \ 594 595 int cpu_numcores (void); 596 int cpu_num_dspcores(void); 597 u32 cpu_mask (void); 598 u32 cpu_dsp_mask(void); 599 int is_core_valid (unsigned int); 600 int probecpu (void); 601 int checkcpu (void); 602 int checkicache (void); 603 int checkdcache (void); 604 void upmconfig (unsigned int, unsigned int *, unsigned int); 605 ulong get_tbclk (void); 606 void reset_misc (void); 607 void reset_cpu (ulong addr); 608 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 609 void ft_cpu_setup(void *blob, bd_t *bd); 610 #ifdef CONFIG_PCI 611 void ft_pci_setup(void *blob, bd_t *bd); 612 #endif 613 #endif 614 615 void smp_set_core_boot_addr(unsigned long addr, int corenr); 616 void smp_kick_all_cpus(void); 617 618 /* $(CPU)/serial.c */ 619 int serial_init (void); 620 void serial_setbrg (void); 621 void serial_putc (const char); 622 void serial_putc_raw(const char); 623 void serial_puts (const char *); 624 int serial_getc (void); 625 int serial_tstc (void); 626 627 /* These versions take a stdio_dev pointer */ 628 struct stdio_dev; 629 int serial_stub_getc(struct stdio_dev *sdev); 630 int serial_stub_tstc(struct stdio_dev *sdev); 631 632 /* $(CPU)/speed.c */ 633 int get_clocks (void); 634 int get_clocks_866 (void); 635 int sdram_adjust_866 (void); 636 int adjust_sdram_tbs_8xx (void); 637 #if defined(CONFIG_MPC8260) 638 int prt_8260_clks (void); 639 #elif defined(CONFIG_MPC5xxx) 640 int prt_mpc5xxx_clks (void); 641 #endif 642 #ifdef CONFIG_4xx 643 ulong get_OPB_freq (void); 644 ulong get_PCI_freq (void); 645 #endif 646 #if defined(CONFIG_S3C24X0) || \ 647 defined(CONFIG_LH7A40X) || \ 648 defined(CONFIG_EP93XX) 649 ulong get_FCLK (void); 650 ulong get_HCLK (void); 651 ulong get_PCLK (void); 652 ulong get_UCLK (void); 653 #endif 654 #if defined(CONFIG_LH7A40X) 655 ulong get_PLLCLK (void); 656 #endif 657 #if defined(CONFIG_IMX) 658 ulong get_systemPLLCLK(void); 659 ulong get_FCLK(void); 660 ulong get_HCLK(void); 661 ulong get_BCLK(void); 662 ulong get_PERCLK1(void); 663 ulong get_PERCLK2(void); 664 ulong get_PERCLK3(void); 665 #endif 666 ulong get_bus_freq (ulong); 667 int get_serial_clock(void); 668 669 #if defined(CONFIG_MPC85xx) 670 typedef MPC85xx_SYS_INFO sys_info_t; 671 void get_sys_info ( sys_info_t * ); 672 # if defined(CONFIG_OF_LIBFDT) 673 void ft_fixup_cpu(void *, u64); 674 void ft_fixup_num_cores(void *); 675 # endif 676 #endif 677 #if defined(CONFIG_MPC86xx) 678 typedef MPC86xx_SYS_INFO sys_info_t; 679 void get_sys_info ( sys_info_t * ); 680 static inline ulong get_ddr_freq(ulong dummy) 681 { 682 return get_bus_freq(dummy); 683 } 684 #else 685 ulong get_ddr_freq(ulong); 686 #endif 687 688 #if defined(CONFIG_4xx) 689 # if defined(CONFIG_440) 690 # if defined(CONFIG_440SPE) 691 unsigned long determine_sysper(void); 692 unsigned long determine_pci_clock_per(void); 693 # endif 694 # endif 695 typedef PPC4xx_SYS_INFO sys_info_t; 696 int ppc440spe_revB(void); 697 void get_sys_info ( sys_info_t * ); 698 #endif 699 700 /* $(CPU)/cpu_init.c */ 701 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 702 void cpu_init_f (volatile immap_t *immr); 703 #endif 704 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 705 void cpu_init_f (void); 706 #endif 707 #ifdef CONFIG_MPC85xx 708 ulong cpu_init_f(void); 709 #endif 710 711 int cpu_init_r (void); 712 #if defined(CONFIG_MPC8260) 713 int prt_8260_rsr (void); 714 #elif defined(CONFIG_MPC83xx) 715 int prt_83xx_rsr (void); 716 #endif 717 718 /* $(CPU)/interrupts.c */ 719 int interrupt_init (void); 720 void timer_interrupt (struct pt_regs *); 721 void external_interrupt (struct pt_regs *); 722 void irq_install_handler(int, interrupt_handler_t *, void *); 723 void irq_free_handler (int); 724 void reset_timer (void); 725 ulong get_timer (ulong base); 726 727 /* Return value of monotonic microsecond timer */ 728 unsigned long timer_get_us(void); 729 730 void enable_interrupts (void); 731 int disable_interrupts (void); 732 733 /* $(CPU)/.../commproc.c */ 734 int dpram_init (void); 735 uint dpram_base(void); 736 uint dpram_base_align(uint align); 737 uint dpram_alloc(uint size); 738 uint dpram_alloc_align(uint size,uint align); 739 void bootcount_store (ulong); 740 ulong bootcount_load (void); 741 #define BOOTCOUNT_MAGIC 0xB001C041 742 743 /* $(CPU)/.../<eth> */ 744 void mii_init (void); 745 746 /* $(CPU)/.../lcd.c */ 747 ulong lcd_setmem (ulong); 748 749 /* $(CPU)/.../video.c */ 750 ulong video_setmem (ulong); 751 752 /* arch/$(ARCH)/lib/cache.c */ 753 void enable_caches(void); 754 void flush_cache (unsigned long, unsigned long); 755 void flush_dcache_all(void); 756 void flush_dcache_range(unsigned long start, unsigned long stop); 757 void invalidate_dcache_range(unsigned long start, unsigned long stop); 758 void invalidate_dcache_all(void); 759 void invalidate_icache_all(void); 760 761 enum { 762 /* Disable caches (else flush caches but leave them active) */ 763 CBL_DISABLE_CACHES = 1 << 0, 764 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 765 766 CBL_ALL = 3, 767 }; 768 769 /** 770 * Clean up ready for linux 771 * 772 * @param flags Flags to control what is done 773 */ 774 int cleanup_before_linux_select(int flags); 775 776 /* arch/$(ARCH)/lib/ticks.S */ 777 uint64_t get_ticks(void); 778 void wait_ticks (unsigned long); 779 780 /* arch/$(ARCH)/lib/time.c */ 781 void __udelay (unsigned long); 782 ulong usec2ticks (unsigned long usec); 783 ulong ticks2usec (unsigned long ticks); 784 int init_timebase (void); 785 786 /* lib/gunzip.c */ 787 int gunzip(void *, int, unsigned char *, unsigned long *); 788 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 789 int stoponerr, int offset); 790 791 /** 792 * gzwrite progress indicators: defined weak to allow board-specific 793 * overrides: 794 * 795 * gzwrite_progress_init called on startup 796 * gzwrite_progress called during decompress/write loop 797 * gzwrite_progress_finish called at end of loop to 798 * indicate success (retcode=0) or failure 799 */ 800 void gzwrite_progress_init(u64 expected_size); 801 802 void gzwrite_progress(int iteration, 803 u64 bytes_written, 804 u64 total_bytes); 805 806 void gzwrite_progress_finish(int retcode, 807 u64 totalwritten, 808 u64 totalsize, 809 u32 expected_crc, 810 u32 calculated_crc); 811 812 /** 813 * decompress and write gzipped image from memory to block device 814 * 815 * @param src compressed image address 816 * @param len compressed image length in bytes 817 * @param dev block device descriptor 818 * @param szwritebuf bytes per write (pad to erase size) 819 * @param startoffs offset in bytes of first write 820 * @param szexpected expected uncompressed length 821 * may be zero to use gzip trailer 822 * for files under 4GiB 823 */ 824 int gzwrite(unsigned char *src, int len, 825 struct block_dev_desc *dev, 826 unsigned long szwritebuf, 827 u64 startoffs, 828 u64 szexpected); 829 830 /* lib/lz4_wrapper.c */ 831 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 832 833 /* lib/qsort.c */ 834 void qsort(void *base, size_t nmemb, size_t size, 835 int(*compar)(const void *, const void *)); 836 int strcmp_compar(const void *, const void *); 837 838 /* lib/time.c */ 839 void udelay (unsigned long); 840 void mdelay(unsigned long); 841 842 /* lib/uuid.c */ 843 #include <uuid.h> 844 845 /* lib/vsprintf.c */ 846 #include <vsprintf.h> 847 848 /* lib/strmhz.c */ 849 char * strmhz(char *buf, unsigned long hz); 850 851 /* lib/crc32.c */ 852 #include <u-boot/crc.h> 853 854 /* lib/rand.c */ 855 #define RAND_MAX -1U 856 void srand(unsigned int seed); 857 unsigned int rand(void); 858 unsigned int rand_r(unsigned int *seedp); 859 860 /* 861 * STDIO based functions (can always be used) 862 */ 863 /* serial stuff */ 864 int serial_printf (const char *fmt, ...) 865 __attribute__ ((format (__printf__, 1, 2))); 866 /* stdin */ 867 int getc(void); 868 int tstc(void); 869 870 /* stdout */ 871 #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SERIAL_SUPPORT) 872 #define putc(...) do { } while (0) 873 #define puts(...) do { } while (0) 874 #define printf(...) do { } while (0) 875 #define vprintf(...) do { } while (0) 876 #else 877 void putc(const char c); 878 void puts(const char *s); 879 int printf(const char *fmt, ...) 880 __attribute__ ((format (__printf__, 1, 2))); 881 int vprintf(const char *fmt, va_list args); 882 #endif 883 884 /* stderr */ 885 #define eputc(c) fputc(stderr, c) 886 #define eputs(s) fputs(stderr, s) 887 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 888 889 /* 890 * FILE based functions (can only be used AFTER relocation!) 891 */ 892 #define stdin 0 893 #define stdout 1 894 #define stderr 2 895 #define MAX_FILES 3 896 897 int fprintf(int file, const char *fmt, ...) 898 __attribute__ ((format (__printf__, 2, 3))); 899 void fputs(int file, const char *s); 900 void fputc(int file, const char c); 901 int ftstc(int file); 902 int fgetc(int file); 903 904 /* lib/gzip.c */ 905 int gzip(void *dst, unsigned long *lenp, 906 unsigned char *src, unsigned long srclen); 907 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 908 unsigned long srclen, int stoponerr, 909 int (*func)(unsigned long, unsigned long)); 910 911 /* lib/net_utils.c */ 912 #include <net.h> 913 static inline struct in_addr getenv_ip(char *var) 914 { 915 return string_to_ip(getenv(var)); 916 } 917 918 int pcmcia_init (void); 919 920 #ifdef CONFIG_STATUS_LED 921 # include <status_led.h> 922 #endif 923 924 #include <bootstage.h> 925 926 #ifdef CONFIG_SHOW_ACTIVITY 927 void show_activity(int arg); 928 #endif 929 930 /* Multicore arch functions */ 931 #ifdef CONFIG_MP 932 int cpu_status(int nr); 933 int cpu_reset(int nr); 934 int cpu_disable(int nr); 935 int cpu_release(int nr, int argc, char * const argv[]); 936 #endif 937 938 #endif /* __ASSEMBLY__ */ 939 940 #ifdef CONFIG_PPC 941 /* 942 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 943 * Otherwise might lead to compilation errors in assembler files. 944 */ 945 #include <asm/cache.h> 946 #endif 947 948 /* Put only stuff here that the assembler can digest */ 949 950 #ifdef CONFIG_POST 951 #define CONFIG_HAS_POST 952 #ifndef CONFIG_POST_ALT_LIST 953 #define CONFIG_POST_STD_LIST 954 #endif 955 #endif 956 957 #ifdef CONFIG_INIT_CRITICAL 958 #error CONFIG_INIT_CRITICAL is deprecated! 959 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 960 #endif 961 962 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 963 964 /* 965 * check_member() - Check the offset of a structure member 966 * 967 * @structure: Name of structure (e.g. global_data) 968 * @member: Name of member (e.g. baudrate) 969 * @offset: Expected offset in bytes 970 */ 971 #define check_member(structure, member, offset) _Static_assert( \ 972 offsetof(struct structure, member) == offset, \ 973 "`struct " #structure "` offset for `" #member "` is not " #offset) 974 975 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 976 #ifdef CONFIG_EFI_STUB 977 #define ll_boot_init() false 978 #else 979 #define ll_boot_init() true 980 #endif 981 982 /* Pull in stuff for the build system */ 983 #ifdef DO_DEPS_ONLY 984 # include <environment.h> 985 #endif 986 987 #endif /* __COMMON_H_ */ 988