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 extern char console_buffer[]; 222 223 /* arch/$(ARCH)/lib/board.c */ 224 void board_init_f(ulong); 225 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 226 227 /** 228 * board_init_f_mem() - Allocate global data and set stack position 229 * 230 * This function is called by each architecture very early in the start-up 231 * code to set up the environment for board_init_f(). It allocates space for 232 * global_data (see include/asm-generic/global_data.h) and places the stack 233 * below this. 234 * 235 * This function requires a stack[1] Normally this is at @top. The function 236 * starts allocating space from 64 bytes below @top. First it creates space 237 * for global_data. Then it calls arch_setup_gd() which sets gd to point to 238 * the global_data space and can reserve additional bytes of space if 239 * required). Finally it allocates early malloc() memory 240 * (CONFIG_SYS_MALLOC_F_LEN). The new top of the stack is just below this, 241 * and it returned by this function. 242 * 243 * [1] Strictly speaking it would be possible to implement this function 244 * in C on many archs such that it does not require a stack. However this 245 * does not seem hugely important as only 64 byte are wasted. The 64 bytes 246 * are used to handle the calling standard which generally requires pushing 247 * addresses or registers onto the stack. We should be able to get away with 248 * less if this becomes important. 249 * 250 * @top: Top of available memory, also normally the top of the stack 251 * @return: New stack location 252 */ 253 ulong board_init_f_mem(ulong top); 254 255 /** 256 * arch_setup_gd() - Set up the global_data pointer 257 * 258 * This pointer is special in some architectures and cannot easily be assigned 259 * to. For example on x86 it is implemented by adding a specific record to its 260 * Global Descriptor Table! So we we provide a function to carry out this task. 261 * For most architectures this can simply be: 262 * 263 * gd = gd_ptr; 264 * 265 * @gd_ptr: Pointer to global data 266 */ 267 void arch_setup_gd(gd_t *gd_ptr); 268 269 int checkboard(void); 270 int show_board_info(void); 271 int checkflash(void); 272 int checkdram(void); 273 int last_stage_init(void); 274 extern ulong monitor_flash_len; 275 int mac_read_from_eeprom(void); 276 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 277 int set_cpu_clk_info(void); 278 int mdm_init(void); 279 #if defined(CONFIG_DISPLAY_CPUINFO) 280 int print_cpuinfo(void); 281 #else 282 static inline int print_cpuinfo(void) 283 { 284 return 0; 285 } 286 #endif 287 int update_flash_size(int flash_size); 288 int arch_early_init_r(void); 289 290 /** 291 * arch_cpu_init_dm() - init CPU after driver model is available 292 * 293 * This is called immediately after driver model is available before 294 * relocation. This is similar to arch_cpu_init() but is able to reference 295 * devices 296 * 297 * @return 0 if OK, -ve on error 298 */ 299 int arch_cpu_init_dm(void); 300 301 /** 302 * Reserve all necessary stacks 303 * 304 * This is used in generic board init sequence in common/board_f.c. Each 305 * architecture could provide this function to tailor the required stacks. 306 * 307 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 308 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 309 * require only this can leave it untouched. 310 * 311 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 312 * positions of the stack. The stack pointer(s) will be set to this later. 313 * gd->irq_sp is only required, if the architecture needs it. 314 * 315 * @return 0 if no error 316 */ 317 __weak int arch_reserve_stacks(void); 318 319 /** 320 * Show the DRAM size in a board-specific way 321 * 322 * This is used by boards to display DRAM information in their own way. 323 * 324 * @param size Size of DRAM (which should be displayed along with other info) 325 */ 326 void board_show_dram(phys_size_t size); 327 328 /** 329 * arch_fixup_fdt() - Write arch-specific information to fdt 330 * 331 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 332 * 333 * @blob: FDT blob to write to 334 * @return 0 if ok, or -ve FDT_ERR_... on failure 335 */ 336 int arch_fixup_fdt(void *blob); 337 338 /* common/flash.c */ 339 void flash_perror (int); 340 341 /* common/cmd_source.c */ 342 int source (ulong addr, const char *fit_uname); 343 344 extern ulong load_addr; /* Default Load Address */ 345 extern ulong save_addr; /* Default Save Address */ 346 extern ulong save_size; /* Default Save Size */ 347 348 /* common/cmd_doc.c */ 349 void doc_probe(unsigned long physadr); 350 351 /* common/cmd_net.c */ 352 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 353 354 /* common/cmd_fat.c */ 355 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 356 357 /* common/cmd_ext2.c */ 358 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 359 360 /* common/cmd_nvedit.c */ 361 int env_init (void); 362 void env_relocate (void); 363 int envmatch (uchar *, int); 364 365 /* Avoid unfortunate conflict with libc's getenv() */ 366 #ifdef CONFIG_SANDBOX 367 #define getenv uboot_getenv 368 #endif 369 char *getenv (const char *); 370 int getenv_f (const char *name, char *buf, unsigned len); 371 ulong getenv_ulong(const char *name, int base, ulong default_val); 372 373 /** 374 * getenv_hex() - Return an environment variable as a hex value 375 * 376 * Decode an environment as a hex number (it may or may not have a 0x 377 * prefix). If the environment variable cannot be found, or does not start 378 * with hex digits, the default value is returned. 379 * 380 * @varname: Variable to decode 381 * @default_val: Value to return on error 382 */ 383 ulong getenv_hex(const char *varname, ulong default_val); 384 385 /* 386 * Read an environment variable as a boolean 387 * Return -1 if variable does not exist (default to true) 388 */ 389 int getenv_yesno(const char *var); 390 int saveenv (void); 391 int setenv (const char *, const char *); 392 int setenv_ulong(const char *varname, ulong value); 393 int setenv_hex(const char *varname, ulong value); 394 /** 395 * setenv_addr - Set an environment variable to an address in hex 396 * 397 * @varname: Environment variable to set 398 * @addr: Value to set it to 399 * @return 0 if ok, 1 on error 400 */ 401 static inline int setenv_addr(const char *varname, const void *addr) 402 { 403 return setenv_hex(varname, (ulong)addr); 404 } 405 406 #ifdef CONFIG_ARM 407 # include <asm/mach-types.h> 408 # include <asm/setup.h> 409 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 410 #endif /* CONFIG_ARM */ 411 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 412 # include <asm/u-boot-x86.h> 413 #endif /* CONFIG_X86 */ 414 #ifdef CONFIG_SANDBOX 415 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 416 #endif 417 #ifdef CONFIG_NDS32 418 # include <asm/mach-types.h> 419 # include <asm/setup.h> 420 # include <asm/u-boot-nds32.h> 421 #endif /* CONFIG_NDS32 */ 422 #ifdef CONFIG_MIPS 423 # include <asm/u-boot-mips.h> 424 #endif /* CONFIG_MIPS */ 425 #ifdef CONFIG_ARC 426 # include <asm/u-boot-arc.h> 427 #endif /* CONFIG_ARC */ 428 429 #ifdef CONFIG_AUTO_COMPLETE 430 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 431 #endif 432 int get_env_id (void); 433 434 void pci_init (void); 435 void pci_init_board(void); 436 void pciinfo (int, int); 437 438 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 439 int pci_pre_init (struct pci_controller *); 440 int is_pci_host (struct pci_controller *); 441 #endif 442 443 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 444 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 445 void pci_target_init (struct pci_controller *); 446 # endif 447 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 448 void pci_master_init (struct pci_controller *); 449 # endif 450 #if defined(CONFIG_440SPE) || \ 451 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 452 defined(CONFIG_405EX) 453 void pcie_setup_hoses(int busno); 454 #endif 455 #endif 456 457 int misc_init_f (void); 458 int misc_init_r (void); 459 460 /* common/exports.c */ 461 void jumptable_init(void); 462 463 /* common/kallsysm.c */ 464 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 465 466 /* api/api.c */ 467 void api_init (void); 468 469 /* common/memsize.c */ 470 long get_ram_size (long *, long); 471 phys_size_t get_effective_memsize(void); 472 473 /* $(BOARD)/$(BOARD).c */ 474 void reset_phy (void); 475 void fdc_hw_init (void); 476 477 /* $(BOARD)/eeprom.c */ 478 void eeprom_init (void); 479 #ifndef CONFIG_SPI 480 int eeprom_probe (unsigned dev_addr, unsigned offset); 481 #endif 482 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 483 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 484 485 /* 486 * Set this up regardless of board 487 * type, to prevent errors. 488 */ 489 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 490 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 491 #else 492 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 493 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 494 #endif 495 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 496 497 #if defined(CONFIG_SPI) 498 extern void spi_init_f (void); 499 extern void spi_init_r (void); 500 extern ssize_t spi_read (uchar *, int, uchar *, int); 501 extern ssize_t spi_write (uchar *, int, uchar *, int); 502 #endif 503 504 /* $(BOARD)/$(BOARD).c */ 505 int board_early_init_f (void); 506 int board_late_init (void); 507 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 508 int board_early_init_r (void); 509 void board_poweroff (void); 510 511 #if defined(CONFIG_SYS_DRAM_TEST) 512 int testdram(void); 513 #endif /* CONFIG_SYS_DRAM_TEST */ 514 515 /* $(CPU)/start.S */ 516 #if defined(CONFIG_5xx) || \ 517 defined(CONFIG_8xx) 518 uint get_immr (uint); 519 #endif 520 #if defined(CONFIG_MPC5xxx) 521 uint get_svr (void); 522 #endif 523 uint get_pvr (void); 524 uint get_svr (void); 525 uint rd_ic_cst (void); 526 void wr_ic_cst (uint); 527 void wr_ic_adr (uint); 528 uint rd_dc_cst (void); 529 void wr_dc_cst (uint); 530 void wr_dc_adr (uint); 531 int icache_status (void); 532 void icache_enable (void); 533 void icache_disable(void); 534 int dcache_status (void); 535 void dcache_enable (void); 536 void dcache_disable(void); 537 void mmu_disable(void); 538 #if defined(CONFIG_ARM) 539 void relocate_code(ulong); 540 #else 541 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 542 #endif 543 ulong get_endaddr (void); 544 void trap_init (ulong); 545 #if defined (CONFIG_4xx) || \ 546 defined (CONFIG_MPC5xxx) || \ 547 defined (CONFIG_MPC85xx) || \ 548 defined (CONFIG_MPC86xx) || \ 549 defined (CONFIG_MPC83xx) 550 unsigned char in8(unsigned int); 551 void out8(unsigned int, unsigned char); 552 unsigned short in16(unsigned int); 553 unsigned short in16r(unsigned int); 554 void out16(unsigned int, unsigned short value); 555 void out16r(unsigned int, unsigned short value); 556 unsigned long in32(unsigned int); 557 unsigned long in32r(unsigned int); 558 void out32(unsigned int, unsigned long value); 559 void out32r(unsigned int, unsigned long value); 560 void ppcDcbf(unsigned long value); 561 void ppcDcbi(unsigned long value); 562 void ppcSync(void); 563 void ppcDcbz(unsigned long value); 564 #endif 565 #if defined (CONFIG_MICROBLAZE) 566 unsigned short in16(unsigned int); 567 void out16(unsigned int, unsigned short value); 568 #endif 569 570 #if defined (CONFIG_MPC83xx) 571 void ppcDWload(unsigned int *addr, unsigned int *ret); 572 void ppcDWstore(unsigned int *addr, unsigned int *value); 573 void disable_addr_trans(void); 574 void enable_addr_trans(void); 575 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 576 void ddr_enable_ecc(unsigned int dram_size); 577 #endif 578 #endif 579 580 /* 581 * Return the current value of a monotonically increasing microsecond timer. 582 * Granularity may be larger than 1us if hardware does not support this. 583 */ 584 ulong timer_get_us(void); 585 586 /* $(CPU)/cpu.c */ 587 static inline int cpumask_next(int cpu, unsigned int mask) 588 { 589 for (cpu++; !((1 << cpu) & mask); cpu++) 590 ; 591 592 return cpu; 593 } 594 595 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 596 for (iter = 0, cpu = cpumask_next(-1, mask); \ 597 iter < num_cpus; \ 598 iter++, cpu = cpumask_next(cpu, mask)) \ 599 600 int cpu_numcores (void); 601 int cpu_num_dspcores(void); 602 u32 cpu_mask (void); 603 u32 cpu_dsp_mask(void); 604 int is_core_valid (unsigned int); 605 int probecpu (void); 606 int checkcpu (void); 607 int checkicache (void); 608 int checkdcache (void); 609 void upmconfig (unsigned int, unsigned int *, unsigned int); 610 ulong get_tbclk (void); 611 void reset_misc (void); 612 void reset_cpu (ulong addr); 613 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 614 void ft_cpu_setup(void *blob, bd_t *bd); 615 #ifdef CONFIG_PCI 616 void ft_pci_setup(void *blob, bd_t *bd); 617 #endif 618 #endif 619 620 void smp_set_core_boot_addr(unsigned long addr, int corenr); 621 void smp_kick_all_cpus(void); 622 623 /* $(CPU)/serial.c */ 624 int serial_init (void); 625 void serial_setbrg (void); 626 void serial_putc (const char); 627 void serial_putc_raw(const char); 628 void serial_puts (const char *); 629 int serial_getc (void); 630 int serial_tstc (void); 631 632 /* These versions take a stdio_dev pointer */ 633 struct stdio_dev; 634 int serial_stub_getc(struct stdio_dev *sdev); 635 int serial_stub_tstc(struct stdio_dev *sdev); 636 637 /* $(CPU)/speed.c */ 638 int get_clocks (void); 639 int get_clocks_866 (void); 640 int sdram_adjust_866 (void); 641 int adjust_sdram_tbs_8xx (void); 642 #if defined(CONFIG_MPC8260) 643 int prt_8260_clks (void); 644 #elif defined(CONFIG_MPC5xxx) 645 int prt_mpc5xxx_clks (void); 646 #endif 647 #ifdef CONFIG_4xx 648 ulong get_OPB_freq (void); 649 ulong get_PCI_freq (void); 650 #endif 651 #if defined(CONFIG_S3C24X0) || \ 652 defined(CONFIG_LH7A40X) || \ 653 defined(CONFIG_EP93XX) 654 ulong get_FCLK (void); 655 ulong get_HCLK (void); 656 ulong get_PCLK (void); 657 ulong get_UCLK (void); 658 #endif 659 #if defined(CONFIG_LH7A40X) 660 ulong get_PLLCLK (void); 661 #endif 662 #if defined(CONFIG_IMX) 663 ulong get_systemPLLCLK(void); 664 ulong get_FCLK(void); 665 ulong get_HCLK(void); 666 ulong get_BCLK(void); 667 ulong get_PERCLK1(void); 668 ulong get_PERCLK2(void); 669 ulong get_PERCLK3(void); 670 #endif 671 ulong get_bus_freq (ulong); 672 int get_serial_clock(void); 673 674 #if defined(CONFIG_MPC85xx) 675 typedef MPC85xx_SYS_INFO sys_info_t; 676 void get_sys_info ( sys_info_t * ); 677 # if defined(CONFIG_OF_LIBFDT) 678 void ft_fixup_cpu(void *, u64); 679 void ft_fixup_num_cores(void *); 680 # endif 681 #endif 682 #if defined(CONFIG_MPC86xx) 683 typedef MPC86xx_SYS_INFO sys_info_t; 684 void get_sys_info ( sys_info_t * ); 685 static inline ulong get_ddr_freq(ulong dummy) 686 { 687 return get_bus_freq(dummy); 688 } 689 #else 690 ulong get_ddr_freq(ulong); 691 #endif 692 693 #if defined(CONFIG_4xx) 694 # if defined(CONFIG_440) 695 # if defined(CONFIG_440SPE) 696 unsigned long determine_sysper(void); 697 unsigned long determine_pci_clock_per(void); 698 # endif 699 # endif 700 typedef PPC4xx_SYS_INFO sys_info_t; 701 int ppc440spe_revB(void); 702 void get_sys_info ( sys_info_t * ); 703 #endif 704 705 /* $(CPU)/cpu_init.c */ 706 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 707 void cpu_init_f (volatile immap_t *immr); 708 #endif 709 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 710 void cpu_init_f (void); 711 #endif 712 #ifdef CONFIG_MPC85xx 713 ulong cpu_init_f(void); 714 #endif 715 716 int cpu_init_r (void); 717 #if defined(CONFIG_MPC8260) 718 int prt_8260_rsr (void); 719 #elif defined(CONFIG_MPC83xx) 720 int prt_83xx_rsr (void); 721 #endif 722 723 /* $(CPU)/interrupts.c */ 724 int interrupt_init (void); 725 void timer_interrupt (struct pt_regs *); 726 void external_interrupt (struct pt_regs *); 727 void irq_install_handler(int, interrupt_handler_t *, void *); 728 void irq_free_handler (int); 729 void reset_timer (void); 730 ulong get_timer (ulong base); 731 732 /* Return value of monotonic microsecond timer */ 733 unsigned long timer_get_us(void); 734 735 void enable_interrupts (void); 736 int disable_interrupts (void); 737 738 /* $(CPU)/.../commproc.c */ 739 int dpram_init (void); 740 uint dpram_base(void); 741 uint dpram_base_align(uint align); 742 uint dpram_alloc(uint size); 743 uint dpram_alloc_align(uint size,uint align); 744 void bootcount_store (ulong); 745 ulong bootcount_load (void); 746 #define BOOTCOUNT_MAGIC 0xB001C041 747 748 /* $(CPU)/.../<eth> */ 749 void mii_init (void); 750 751 /* $(CPU)/.../lcd.c */ 752 ulong lcd_setmem (ulong); 753 754 /* $(CPU)/.../video.c */ 755 ulong video_setmem (ulong); 756 757 /* arch/$(ARCH)/lib/cache.c */ 758 void enable_caches(void); 759 void flush_cache (unsigned long, unsigned long); 760 void flush_dcache_all(void); 761 void flush_dcache_range(unsigned long start, unsigned long stop); 762 void invalidate_dcache_range(unsigned long start, unsigned long stop); 763 void invalidate_dcache_all(void); 764 void invalidate_icache_all(void); 765 766 enum { 767 /* Disable caches (else flush caches but leave them active) */ 768 CBL_DISABLE_CACHES = 1 << 0, 769 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 770 771 CBL_ALL = 3, 772 }; 773 774 /** 775 * Clean up ready for linux 776 * 777 * @param flags Flags to control what is done 778 */ 779 int cleanup_before_linux_select(int flags); 780 781 /* arch/$(ARCH)/lib/ticks.S */ 782 uint64_t get_ticks(void); 783 void wait_ticks (unsigned long); 784 785 /* arch/$(ARCH)/lib/time.c */ 786 void __udelay (unsigned long); 787 ulong usec2ticks (unsigned long usec); 788 ulong ticks2usec (unsigned long ticks); 789 int init_timebase (void); 790 791 /* lib/gunzip.c */ 792 int gunzip(void *, int, unsigned char *, unsigned long *); 793 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 794 int stoponerr, int offset); 795 796 /** 797 * gzwrite progress indicators: defined weak to allow board-specific 798 * overrides: 799 * 800 * gzwrite_progress_init called on startup 801 * gzwrite_progress called during decompress/write loop 802 * gzwrite_progress_finish called at end of loop to 803 * indicate success (retcode=0) or failure 804 */ 805 void gzwrite_progress_init(u64 expected_size); 806 807 void gzwrite_progress(int iteration, 808 u64 bytes_written, 809 u64 total_bytes); 810 811 void gzwrite_progress_finish(int retcode, 812 u64 totalwritten, 813 u64 totalsize, 814 u32 expected_crc, 815 u32 calculated_crc); 816 817 /** 818 * decompress and write gzipped image from memory to block device 819 * 820 * @param src compressed image address 821 * @param len compressed image length in bytes 822 * @param dev block device descriptor 823 * @param szwritebuf bytes per write (pad to erase size) 824 * @param startoffs offset in bytes of first write 825 * @param szexpected expected uncompressed length 826 * may be zero to use gzip trailer 827 * for files under 4GiB 828 */ 829 int gzwrite(unsigned char *src, int len, 830 struct block_dev_desc *dev, 831 unsigned long szwritebuf, 832 u64 startoffs, 833 u64 szexpected); 834 835 /* lib/lz4_wrapper.c */ 836 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 837 838 /* lib/qsort.c */ 839 void qsort(void *base, size_t nmemb, size_t size, 840 int(*compar)(const void *, const void *)); 841 int strcmp_compar(const void *, const void *); 842 843 /* lib/time.c */ 844 void udelay (unsigned long); 845 void mdelay(unsigned long); 846 847 /* lib/uuid.c */ 848 #include <uuid.h> 849 850 /* lib/vsprintf.c */ 851 #include <vsprintf.h> 852 853 /* lib/strmhz.c */ 854 char * strmhz(char *buf, unsigned long hz); 855 856 /* lib/crc32.c */ 857 #include <u-boot/crc.h> 858 859 /* lib/rand.c */ 860 #define RAND_MAX -1U 861 void srand(unsigned int seed); 862 unsigned int rand(void); 863 unsigned int rand_r(unsigned int *seedp); 864 865 /* common/console.c */ 866 int console_init_f(void); /* Before relocation; uses the serial stuff */ 867 int console_init_r(void); /* After relocation; uses the console stuff */ 868 int console_assign(int file, const char *devname); /* Assign the console */ 869 int ctrlc (void); 870 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 871 void clear_ctrlc (void); /* clear the Control-C condition */ 872 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 873 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 874 /* 875 * STDIO based functions (can always be used) 876 */ 877 /* serial stuff */ 878 int serial_printf (const char *fmt, ...) 879 __attribute__ ((format (__printf__, 1, 2))); 880 /* stdin */ 881 int getc(void); 882 int tstc(void); 883 884 /* stdout */ 885 #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SERIAL_SUPPORT) 886 #define putc(...) do { } while (0) 887 #define puts(...) do { } while (0) 888 #define printf(...) do { } while (0) 889 #define vprintf(...) do { } while (0) 890 #else 891 void putc(const char c); 892 void puts(const char *s); 893 int printf(const char *fmt, ...) 894 __attribute__ ((format (__printf__, 1, 2))); 895 int vprintf(const char *fmt, va_list args); 896 #endif 897 898 /* stderr */ 899 #define eputc(c) fputc(stderr, c) 900 #define eputs(s) fputs(stderr, s) 901 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 902 903 /* 904 * FILE based functions (can only be used AFTER relocation!) 905 */ 906 #define stdin 0 907 #define stdout 1 908 #define stderr 2 909 #define MAX_FILES 3 910 911 int fprintf(int file, const char *fmt, ...) 912 __attribute__ ((format (__printf__, 2, 3))); 913 void fputs(int file, const char *s); 914 void fputc(int file, const char c); 915 int ftstc(int file); 916 int fgetc(int file); 917 918 /* lib/gzip.c */ 919 int gzip(void *dst, unsigned long *lenp, 920 unsigned char *src, unsigned long srclen); 921 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 922 unsigned long srclen, int stoponerr, 923 int (*func)(unsigned long, unsigned long)); 924 925 /* lib/net_utils.c */ 926 #include <net.h> 927 static inline struct in_addr getenv_ip(char *var) 928 { 929 return string_to_ip(getenv(var)); 930 } 931 932 /* 933 * CONSOLE multiplexing. 934 */ 935 #ifdef CONFIG_CONSOLE_MUX 936 #include <iomux.h> 937 #endif 938 939 int pcmcia_init (void); 940 941 #ifdef CONFIG_STATUS_LED 942 # include <status_led.h> 943 #endif 944 945 #include <bootstage.h> 946 947 #ifdef CONFIG_SHOW_ACTIVITY 948 void show_activity(int arg); 949 #endif 950 951 /* Multicore arch functions */ 952 #ifdef CONFIG_MP 953 int cpu_status(int nr); 954 int cpu_reset(int nr); 955 int cpu_disable(int nr); 956 int cpu_release(int nr, int argc, char * const argv[]); 957 #endif 958 959 #endif /* __ASSEMBLY__ */ 960 961 #ifdef CONFIG_PPC 962 /* 963 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 964 * Otherwise might lead to compilation errors in assembler files. 965 */ 966 #include <asm/cache.h> 967 #endif 968 969 /* Put only stuff here that the assembler can digest */ 970 971 #ifdef CONFIG_POST 972 #define CONFIG_HAS_POST 973 #ifndef CONFIG_POST_ALT_LIST 974 #define CONFIG_POST_STD_LIST 975 #endif 976 #endif 977 978 #ifdef CONFIG_INIT_CRITICAL 979 #error CONFIG_INIT_CRITICAL is deprecated! 980 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 981 #endif 982 983 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 984 985 /* 986 * check_member() - Check the offset of a structure member 987 * 988 * @structure: Name of structure (e.g. global_data) 989 * @member: Name of member (e.g. baudrate) 990 * @offset: Expected offset in bytes 991 */ 992 #define check_member(structure, member, offset) _Static_assert( \ 993 offsetof(struct structure, member) == offset, \ 994 "`struct " #structure "` offset for `" #member "` is not " #offset) 995 996 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 997 #ifdef CONFIG_EFI_STUB 998 #define ll_boot_init() false 999 #else 1000 #define ll_boot_init() true 1001 #endif 1002 1003 /* Pull in stuff for the build system */ 1004 #ifdef DO_DEPS_ONLY 1005 # include <environment.h> 1006 #endif 1007 1008 #endif /* __COMMON_H_ */ 1009