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 /* Allow sharing constants with type modifiers between C and assembly. */ 19 #define _AC(X, Y) (X##Y) 20 21 #include <config.h> 22 #include <errno.h> 23 #include <time.h> 24 #include <asm-offsets.h> 25 #include <linux/bitops.h> 26 #include <linux/delay.h> 27 #include <linux/types.h> 28 #include <linux/string.h> 29 #include <linux/stringify.h> 30 #include <asm/ptrace.h> 31 #include <stdarg.h> 32 #include <linux/kernel.h> 33 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 34 #include <pci.h> 35 #endif 36 #if defined(CONFIG_8xx) 37 #include <asm/8xx_immap.h> 38 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 39 defined(CONFIG_MPC866) || \ 40 defined(CONFIG_MPC866P) 41 # define CONFIG_MPC866_FAMILY 1 42 #elif defined(CONFIG_MPC885) 43 # define CONFIG_MPC885_FAMILY 1 44 #endif 45 #if defined(CONFIG_MPC860) \ 46 || defined(CONFIG_MPC860T) \ 47 || defined(CONFIG_MPC866_FAMILY) \ 48 || defined(CONFIG_MPC885_FAMILY) 49 # define CONFIG_MPC86x 1 50 #endif 51 #elif defined(CONFIG_5xx) 52 #include <asm/5xx_immap.h> 53 #elif defined(CONFIG_MPC5xxx) 54 #include <mpc5xxx.h> 55 #elif defined(CONFIG_MPC512X) 56 #include <asm/immap_512x.h> 57 #elif defined(CONFIG_MPC8260) 58 #if defined(CONFIG_MPC8247) \ 59 || defined(CONFIG_MPC8272) 60 #define CONFIG_MPC8272_FAMILY 1 61 #endif 62 #include <asm/immap_8260.h> 63 #endif 64 #ifdef CONFIG_MPC86xx 65 #include <mpc86xx.h> 66 #include <asm/immap_86xx.h> 67 #endif 68 #ifdef CONFIG_MPC85xx 69 #include <mpc85xx.h> 70 #include <asm/immap_85xx.h> 71 #endif 72 #ifdef CONFIG_MPC83xx 73 #include <mpc83xx.h> 74 #include <asm/immap_83xx.h> 75 #endif 76 #ifdef CONFIG_4xx 77 #include <asm/ppc4xx.h> 78 #endif 79 #ifdef CONFIG_SOC_DA8XX 80 #include <asm/arch/hardware.h> 81 #endif 82 #ifdef CONFIG_FSL_LSCH3 83 #include <asm/arch/immap_lsch3.h> 84 #endif 85 #ifdef CONFIG_FSL_LSCH2 86 #include <asm/arch/immap_lsch2.h> 87 #endif 88 89 #include <part.h> 90 #include <flash.h> 91 #include <image.h> 92 93 /* Bring in printf format macros if inttypes.h is included */ 94 #define __STDC_FORMAT_MACROS 95 96 #ifdef __LP64__ 97 #define CONFIG_SYS_SUPPORT_64BIT_DATA 98 #endif 99 100 #ifdef DEBUG 101 #define _DEBUG 1 102 #else 103 #define _DEBUG 0 104 #endif 105 106 #ifdef CONFIG_SPL_BUILD 107 #define _SPL_BUILD 1 108 #else 109 #define _SPL_BUILD 0 110 #endif 111 112 /* Define this at the top of a file to add a prefix to debug messages */ 113 #ifndef pr_fmt 114 #define pr_fmt(fmt) fmt 115 #endif 116 117 /* 118 * Output a debug text when condition "cond" is met. The "cond" should be 119 * computed by a preprocessor in the best case, allowing for the best 120 * optimization. 121 */ 122 #define debug_cond(cond, fmt, args...) \ 123 do { \ 124 if (cond) \ 125 printf(pr_fmt(fmt), ##args); \ 126 } while (0) 127 128 /* Show a message if DEBUG is defined in a file */ 129 #define debug(fmt, args...) \ 130 debug_cond(_DEBUG, fmt, ##args) 131 132 /* Show a message if not in SPL */ 133 #define warn_non_spl(fmt, args...) \ 134 debug_cond(!_SPL_BUILD, fmt, ##args) 135 136 /* 137 * An assertion is run-time check done in debug mode only. If DEBUG is not 138 * defined then it is skipped. If DEBUG is defined and the assertion fails, 139 * then it calls panic*( which may or may not reset/halt U-Boot (see 140 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 141 * before release, and after release it is hoped that they don't matter. But 142 * in any case these failing assertions cannot be fixed with a reset (which 143 * may just do the same assertion again). 144 */ 145 void __assert_fail(const char *assertion, const char *file, unsigned line, 146 const char *function); 147 #define assert(x) \ 148 ({ if (!(x) && _DEBUG) \ 149 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 150 151 #define error(fmt, args...) do { \ 152 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 153 ##args, __FILE__, __LINE__, __func__); \ 154 } while (0) 155 156 #ifndef BUG 157 #define BUG() do { \ 158 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 159 panic("BUG!"); \ 160 } while (0) 161 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 162 #endif /* BUG */ 163 164 typedef void (interrupt_handler_t)(void *); 165 166 #include <asm/u-boot.h> /* boot information for Linux kernel */ 167 #include <asm/global_data.h> /* global data used for startup functions */ 168 169 /* 170 * enable common handling for all TQM8xxL/M boards: 171 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 172 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 173 * and for the TQM885D board 174 */ 175 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 176 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 177 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 178 # ifndef CONFIG_TQM8xxM 179 # define CONFIG_TQM8xxM 180 # endif 181 #endif 182 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 183 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 184 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 185 defined(CONFIG_TQM885D) 186 # ifndef CONFIG_TQM8xxL 187 # define CONFIG_TQM8xxL 188 # endif 189 #endif 190 191 #if defined(CONFIG_ENV_IS_EMBEDDED) 192 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 193 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 194 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 195 defined(CONFIG_ENV_IS_IN_NVRAM) 196 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 197 #else 198 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 199 #endif 200 201 /* 202 * Function Prototypes 203 */ 204 int dram_init(void); 205 206 /** 207 * dram_init_banksize() - Set up DRAM bank sizes 208 * 209 * This can be implemented by boards to set up the DRAM bank information in 210 * gd->bd->bi_dram(). It is called just before relocation, after dram_init() 211 * is called. 212 * 213 * If this is not provided, a default implementation will try to set up a 214 * single bank. It will do this if CONFIG_NR_DRAM_BANKS and 215 * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of 216 * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to 217 * get_effective_memsize(). 218 * 219 * @return 0 if OK, -ve on error 220 */ 221 int dram_init_banksize(void); 222 223 void hang (void) __attribute__ ((noreturn)); 224 225 int timer_init(void); 226 int cpu_init(void); 227 228 #include <display_options.h> 229 230 /* common/main.c */ 231 void main_loop (void); 232 int run_command(const char *cmd, int flag); 233 int run_command_repeatable(const char *cmd, int flag); 234 235 /** 236 * Run a list of commands separated by ; or even \0 237 * 238 * Note that if 'len' is not -1, then the command does not need to be nul 239 * terminated, Memory will be allocated for the command in that case. 240 * 241 * @param cmd List of commands to run, each separated bu semicolon 242 * @param len Length of commands excluding terminator if known (-1 if not) 243 * @param flag Execution flags (CMD_FLAG_...) 244 * @return 0 on success, or != 0 on error. 245 */ 246 int run_command_list(const char *cmd, int len, int flag); 247 248 /* arch/$(ARCH)/lib/board.c */ 249 void board_init_f(ulong); 250 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 251 252 /** 253 * ulong board_init_f_alloc_reserve - allocate reserved area 254 * 255 * This function is called by each architecture very early in the start-up 256 * code to allow the C runtime to reserve space on the stack for writable 257 * 'globals' such as GD and the malloc arena. 258 * 259 * @top: top of the reserve area, growing down. 260 * @return: bottom of reserved area 261 */ 262 ulong board_init_f_alloc_reserve(ulong top); 263 264 /** 265 * board_init_f_init_reserve - initialize the reserved area(s) 266 * 267 * This function is called once the C runtime has allocated the reserved 268 * area on the stack. It must initialize the GD at the base of that area. 269 * 270 * @base: top from which reservation was done 271 */ 272 void board_init_f_init_reserve(ulong base); 273 274 /** 275 * arch_setup_gd() - Set up the global_data pointer 276 * 277 * This pointer is special in some architectures and cannot easily be assigned 278 * to. For example on x86 it is implemented by adding a specific record to its 279 * Global Descriptor Table! So we we provide a function to carry out this task. 280 * For most architectures this can simply be: 281 * 282 * gd = gd_ptr; 283 * 284 * @gd_ptr: Pointer to global data 285 */ 286 void arch_setup_gd(gd_t *gd_ptr); 287 288 int checkboard(void); 289 int show_board_info(void); 290 int checkflash(void); 291 int checkdram(void); 292 int last_stage_init(void); 293 extern ulong monitor_flash_len; 294 int mac_read_from_eeprom(void); 295 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 296 int set_cpu_clk_info(void); 297 int mdm_init(void); 298 int print_cpuinfo(void); 299 int update_flash_size(int flash_size); 300 int arch_early_init_r(void); 301 302 /* 303 * setup_board_extra() - Fill in extra details in the bd_t structure 304 * 305 * @return 0 if OK, -ve on error 306 */ 307 int setup_board_extra(void); 308 309 /** 310 * arch_fsp_init() - perform firmware support package init 311 * 312 * Where U-Boot relies on binary blobs to handle part of the system init, this 313 * function can be used to set up the blobs. This is used on some Intel 314 * platforms. 315 */ 316 int arch_fsp_init(void); 317 318 /** 319 * arch_cpu_init_dm() - init CPU after driver model is available 320 * 321 * This is called immediately after driver model is available before 322 * relocation. This is similar to arch_cpu_init() but is able to reference 323 * devices 324 * 325 * @return 0 if OK, -ve on error 326 */ 327 int arch_cpu_init_dm(void); 328 329 /** 330 * Reserve all necessary stacks 331 * 332 * This is used in generic board init sequence in common/board_f.c. Each 333 * architecture could provide this function to tailor the required stacks. 334 * 335 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 336 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 337 * require only this can leave it untouched. 338 * 339 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 340 * positions of the stack. The stack pointer(s) will be set to this later. 341 * gd->irq_sp is only required, if the architecture needs it. 342 * 343 * @return 0 if no error 344 */ 345 __weak int arch_reserve_stacks(void); 346 347 /** 348 * Show the DRAM size in a board-specific way 349 * 350 * This is used by boards to display DRAM information in their own way. 351 * 352 * @param size Size of DRAM (which should be displayed along with other info) 353 */ 354 void board_show_dram(phys_size_t size); 355 356 /** 357 * arch_fixup_fdt() - Write arch-specific information to fdt 358 * 359 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 360 * 361 * @blob: FDT blob to write to 362 * @return 0 if ok, or -ve FDT_ERR_... on failure 363 */ 364 int arch_fixup_fdt(void *blob); 365 366 /* common/flash.c */ 367 void flash_perror (int); 368 369 /* common/cmd_source.c */ 370 int source (ulong addr, const char *fit_uname); 371 372 extern ulong load_addr; /* Default Load Address */ 373 extern ulong save_addr; /* Default Save Address */ 374 extern ulong save_size; /* Default Save Size */ 375 376 /* common/cmd_net.c */ 377 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 378 379 /* common/cmd_fat.c */ 380 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 381 382 /* common/cmd_ext2.c */ 383 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 384 385 /* common/cmd_nvedit.c */ 386 int env_init (void); 387 void env_relocate (void); 388 int envmatch (uchar *, int); 389 390 /* Avoid unfortunate conflict with libc's getenv() */ 391 #ifdef CONFIG_SANDBOX 392 #define getenv uboot_getenv 393 #endif 394 char *getenv (const char *); 395 int getenv_f (const char *name, char *buf, unsigned len); 396 ulong getenv_ulong(const char *name, int base, ulong default_val); 397 398 /** 399 * getenv_hex() - Return an environment variable as a hex value 400 * 401 * Decode an environment as a hex number (it may or may not have a 0x 402 * prefix). If the environment variable cannot be found, or does not start 403 * with hex digits, the default value is returned. 404 * 405 * @varname: Variable to decode 406 * @default_val: Value to return on error 407 */ 408 ulong getenv_hex(const char *varname, ulong default_val); 409 410 /* 411 * Read an environment variable as a boolean 412 * Return -1 if variable does not exist (default to true) 413 */ 414 int getenv_yesno(const char *var); 415 int saveenv (void); 416 int setenv (const char *, const char *); 417 int setenv_ulong(const char *varname, ulong value); 418 int setenv_hex(const char *varname, ulong value); 419 /** 420 * setenv_addr - Set an environment variable to an address in hex 421 * 422 * @varname: Environment variable to set 423 * @addr: Value to set it to 424 * @return 0 if ok, 1 on error 425 */ 426 static inline int setenv_addr(const char *varname, const void *addr) 427 { 428 return setenv_hex(varname, (ulong)addr); 429 } 430 431 #ifdef CONFIG_ARM 432 # include <asm/mach-types.h> 433 # include <asm/setup.h> 434 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 435 #endif /* CONFIG_ARM */ 436 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 437 # include <asm/u-boot-x86.h> 438 #endif /* CONFIG_X86 */ 439 #ifdef CONFIG_SANDBOX 440 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 441 #endif 442 #ifdef CONFIG_NDS32 443 # include <asm/mach-types.h> 444 # include <asm/setup.h> 445 # include <asm/u-boot-nds32.h> 446 #endif /* CONFIG_NDS32 */ 447 #ifdef CONFIG_MIPS 448 # include <asm/u-boot-mips.h> 449 #endif /* CONFIG_MIPS */ 450 #ifdef CONFIG_ARC 451 # include <asm/u-boot-arc.h> 452 #endif /* CONFIG_ARC */ 453 454 #ifdef CONFIG_AUTO_COMPLETE 455 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 456 #endif 457 int get_env_id (void); 458 459 void pci_init (void); 460 void pci_init_board(void); 461 462 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 463 int pci_pre_init (struct pci_controller *); 464 int is_pci_host (struct pci_controller *); 465 #endif 466 467 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 468 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 469 void pci_target_init (struct pci_controller *); 470 # endif 471 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 472 void pci_master_init (struct pci_controller *); 473 # endif 474 #if defined(CONFIG_440SPE) || \ 475 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 476 defined(CONFIG_405EX) 477 void pcie_setup_hoses(int busno); 478 #endif 479 #endif 480 481 int misc_init_f (void); 482 int misc_init_r (void); 483 484 /* common/exports.c */ 485 void jumptable_init(void); 486 487 /* common/kallsysm.c */ 488 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 489 490 /* api/api.c */ 491 void api_init (void); 492 493 /* common/memsize.c */ 494 long get_ram_size (long *, long); 495 phys_size_t get_effective_memsize(void); 496 497 /* $(BOARD)/$(BOARD).c */ 498 void reset_phy (void); 499 void fdc_hw_init (void); 500 501 /* $(BOARD)/eeprom.c */ 502 void eeprom_init (int bus); 503 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 504 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 505 506 /* 507 * Set this up regardless of board 508 * type, to prevent errors. 509 */ 510 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 511 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 512 #else 513 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 514 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 515 #endif 516 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 517 518 #if defined(CONFIG_SPI) 519 extern void spi_init_f (void); 520 extern void spi_init_r (void); 521 extern ssize_t spi_read (uchar *, int, uchar *, int); 522 extern ssize_t spi_write (uchar *, int, uchar *, int); 523 #endif 524 525 /* $(BOARD)/$(BOARD).c */ 526 int board_early_init_f (void); 527 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */ 528 int board_late_init (void); 529 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 530 int board_early_init_r (void); 531 void board_poweroff (void); 532 533 #if defined(CONFIG_SYS_DRAM_TEST) 534 int testdram(void); 535 #endif /* CONFIG_SYS_DRAM_TEST */ 536 537 /* $(CPU)/start.S */ 538 #if defined(CONFIG_5xx) || \ 539 defined(CONFIG_8xx) 540 uint get_immr (uint); 541 #endif 542 #if defined(CONFIG_MPC5xxx) 543 uint get_svr (void); 544 #endif 545 uint get_pvr (void); 546 uint get_svr (void); 547 uint rd_ic_cst (void); 548 void wr_ic_cst (uint); 549 void wr_ic_adr (uint); 550 uint rd_dc_cst (void); 551 void wr_dc_cst (uint); 552 void wr_dc_adr (uint); 553 int icache_status (void); 554 void icache_enable (void); 555 void icache_disable(void); 556 int dcache_status (void); 557 void dcache_enable (void); 558 void dcache_disable(void); 559 void mmu_disable(void); 560 #if defined(CONFIG_ARM) 561 void relocate_code(ulong); 562 #else 563 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 564 #endif 565 ulong get_endaddr (void); 566 void trap_init (ulong); 567 #if defined (CONFIG_4xx) || \ 568 defined (CONFIG_MPC5xxx) || \ 569 defined (CONFIG_MPC85xx) || \ 570 defined (CONFIG_MPC86xx) || \ 571 defined (CONFIG_MPC83xx) 572 unsigned char in8(unsigned int); 573 void out8(unsigned int, unsigned char); 574 unsigned short in16(unsigned int); 575 unsigned short in16r(unsigned int); 576 void out16(unsigned int, unsigned short value); 577 void out16r(unsigned int, unsigned short value); 578 unsigned long in32(unsigned int); 579 unsigned long in32r(unsigned int); 580 void out32(unsigned int, unsigned long value); 581 void out32r(unsigned int, unsigned long value); 582 void ppcDcbf(unsigned long value); 583 void ppcDcbi(unsigned long value); 584 void ppcSync(void); 585 void ppcDcbz(unsigned long value); 586 #endif 587 #if defined (CONFIG_MICROBLAZE) 588 unsigned short in16(unsigned int); 589 void out16(unsigned int, unsigned short value); 590 #endif 591 592 #if defined (CONFIG_MPC83xx) 593 void ppcDWload(unsigned int *addr, unsigned int *ret); 594 void ppcDWstore(unsigned int *addr, unsigned int *value); 595 void disable_addr_trans(void); 596 void enable_addr_trans(void); 597 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 598 void ddr_enable_ecc(unsigned int dram_size); 599 #endif 600 #endif 601 602 /* $(CPU)/cpu.c */ 603 static inline int cpumask_next(int cpu, unsigned int mask) 604 { 605 for (cpu++; !((1 << cpu) & mask); cpu++) 606 ; 607 608 return cpu; 609 } 610 611 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 612 for (iter = 0, cpu = cpumask_next(-1, mask); \ 613 iter < num_cpus; \ 614 iter++, cpu = cpumask_next(cpu, mask)) \ 615 616 int cpu_numcores (void); 617 int cpu_num_dspcores(void); 618 u32 cpu_mask (void); 619 u32 cpu_dsp_mask(void); 620 int is_core_valid (unsigned int); 621 622 /** 623 * arch_cpu_init() - basic cpu-dependent setup for an architecture 624 * 625 * This is called after early malloc is available. It should handle any 626 * CPU- or SoC- specific init needed to continue the init sequence. See 627 * board_f.c for where it is called. If this is not provided, a default 628 * version (which does nothing) will be used. 629 */ 630 int arch_cpu_init(void); 631 632 int checkcpu (void); 633 int checkicache (void); 634 int checkdcache (void); 635 void upmconfig (unsigned int, unsigned int *, unsigned int); 636 ulong get_tbclk (void); 637 void reset_misc (void); 638 void reset_cpu (ulong addr); 639 void ft_cpu_setup(void *blob, bd_t *bd); 640 void ft_pci_setup(void *blob, bd_t *bd); 641 642 void smp_set_core_boot_addr(unsigned long addr, int corenr); 643 void smp_kick_all_cpus(void); 644 645 /* $(CPU)/serial.c */ 646 int serial_init (void); 647 void serial_setbrg (void); 648 void serial_putc (const char); 649 void serial_putc_raw(const char); 650 void serial_puts (const char *); 651 int serial_getc (void); 652 int serial_tstc (void); 653 654 /* These versions take a stdio_dev pointer */ 655 struct stdio_dev; 656 int serial_stub_getc(struct stdio_dev *sdev); 657 int serial_stub_tstc(struct stdio_dev *sdev); 658 659 /* $(CPU)/speed.c */ 660 int get_clocks (void); 661 #if defined(CONFIG_MPC5xxx) 662 int prt_mpc5xxx_clks (void); 663 #endif 664 #ifdef CONFIG_4xx 665 ulong get_OPB_freq (void); 666 ulong get_PCI_freq (void); 667 #endif 668 #if defined(CONFIG_S3C24X0) || \ 669 defined(CONFIG_LH7A40X) || \ 670 defined(CONFIG_EP93XX) 671 ulong get_FCLK (void); 672 ulong get_HCLK (void); 673 ulong get_PCLK (void); 674 ulong get_UCLK (void); 675 #endif 676 #if defined(CONFIG_LH7A40X) 677 ulong get_PLLCLK (void); 678 #endif 679 #if defined(CONFIG_IMX) 680 ulong get_systemPLLCLK(void); 681 ulong get_FCLK(void); 682 ulong get_HCLK(void); 683 ulong get_BCLK(void); 684 ulong get_PERCLK1(void); 685 ulong get_PERCLK2(void); 686 ulong get_PERCLK3(void); 687 #endif 688 ulong get_bus_freq (ulong); 689 int get_serial_clock(void); 690 691 #if defined(CONFIG_MPC85xx) 692 typedef MPC85xx_SYS_INFO sys_info_t; 693 void get_sys_info ( sys_info_t * ); 694 void ft_fixup_cpu(void *, u64); 695 void ft_fixup_num_cores(void *); 696 #endif 697 #if defined(CONFIG_MPC86xx) 698 typedef MPC86xx_SYS_INFO sys_info_t; 699 void get_sys_info ( sys_info_t * ); 700 static inline ulong get_ddr_freq(ulong dummy) 701 { 702 return get_bus_freq(dummy); 703 } 704 #else 705 ulong get_ddr_freq(ulong); 706 #endif 707 708 #if defined(CONFIG_4xx) 709 # if defined(CONFIG_440) 710 # if defined(CONFIG_440SPE) 711 unsigned long determine_sysper(void); 712 unsigned long determine_pci_clock_per(void); 713 # endif 714 # endif 715 typedef PPC4xx_SYS_INFO sys_info_t; 716 int ppc440spe_revB(void); 717 void get_sys_info ( sys_info_t * ); 718 #endif 719 720 /* $(CPU)/cpu_init.c */ 721 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 722 void cpu_init_f (volatile immap_t *immr); 723 #endif 724 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 725 void cpu_init_f (void); 726 #endif 727 #ifdef CONFIG_MPC85xx 728 ulong cpu_init_f(void); 729 #endif 730 731 int cpu_init_r (void); 732 733 /* $(CPU)/interrupts.c */ 734 int interrupt_init (void); 735 void timer_interrupt (struct pt_regs *); 736 void external_interrupt (struct pt_regs *); 737 void irq_install_handler(int, interrupt_handler_t *, void *); 738 void irq_free_handler (int); 739 void reset_timer (void); 740 741 /* Return value of monotonic microsecond timer */ 742 unsigned long timer_get_us(void); 743 744 void enable_interrupts (void); 745 int disable_interrupts (void); 746 747 /* $(CPU)/.../commproc.c */ 748 int dpram_init (void); 749 uint dpram_base(void); 750 uint dpram_base_align(uint align); 751 uint dpram_alloc(uint size); 752 uint dpram_alloc_align(uint size,uint align); 753 void bootcount_store (ulong); 754 ulong bootcount_load (void); 755 #define BOOTCOUNT_MAGIC 0xB001C041 756 757 /* $(CPU)/.../<eth> */ 758 void mii_init (void); 759 760 /* $(CPU)/.../lcd.c */ 761 ulong lcd_setmem (ulong); 762 763 /* $(CPU)/.../video.c */ 764 ulong video_setmem (ulong); 765 766 /* arch/$(ARCH)/lib/cache.c */ 767 void enable_caches(void); 768 void flush_cache (unsigned long, unsigned long); 769 void flush_dcache_all(void); 770 void flush_dcache_range(unsigned long start, unsigned long stop); 771 void invalidate_dcache_range(unsigned long start, unsigned long stop); 772 void invalidate_dcache_all(void); 773 void invalidate_icache_all(void); 774 775 enum { 776 /* Disable caches (else flush caches but leave them active) */ 777 CBL_DISABLE_CACHES = 1 << 0, 778 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 779 780 CBL_ALL = 3, 781 }; 782 783 /** 784 * Clean up ready for linux 785 * 786 * @param flags Flags to control what is done 787 */ 788 int cleanup_before_linux_select(int flags); 789 790 /* arch/$(ARCH)/lib/ticks.S */ 791 uint64_t get_ticks(void); 792 void wait_ticks (unsigned long); 793 794 /* arch/$(ARCH)/lib/time.c */ 795 ulong usec2ticks (unsigned long usec); 796 ulong ticks2usec (unsigned long ticks); 797 798 /* lib/gunzip.c */ 799 int gunzip(void *, int, unsigned char *, unsigned long *); 800 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 801 int stoponerr, int offset); 802 803 /** 804 * gzwrite progress indicators: defined weak to allow board-specific 805 * overrides: 806 * 807 * gzwrite_progress_init called on startup 808 * gzwrite_progress called during decompress/write loop 809 * gzwrite_progress_finish called at end of loop to 810 * indicate success (retcode=0) or failure 811 */ 812 void gzwrite_progress_init(u64 expected_size); 813 814 void gzwrite_progress(int iteration, 815 u64 bytes_written, 816 u64 total_bytes); 817 818 void gzwrite_progress_finish(int retcode, 819 u64 totalwritten, 820 u64 totalsize, 821 u32 expected_crc, 822 u32 calculated_crc); 823 824 /** 825 * decompress and write gzipped image from memory to block device 826 * 827 * @param src compressed image address 828 * @param len compressed image length in bytes 829 * @param dev block device descriptor 830 * @param szwritebuf bytes per write (pad to erase size) 831 * @param startoffs offset in bytes of first write 832 * @param szexpected expected uncompressed length 833 * may be zero to use gzip trailer 834 * for files under 4GiB 835 */ 836 int gzwrite(unsigned char *src, int len, 837 struct blk_desc *dev, 838 unsigned long szwritebuf, 839 u64 startoffs, 840 u64 szexpected); 841 842 /* lib/lz4_wrapper.c */ 843 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 844 845 /* lib/qsort.c */ 846 void qsort(void *base, size_t nmemb, size_t size, 847 int(*compar)(const void *, const void *)); 848 int strcmp_compar(const void *, const void *); 849 850 /* lib/uuid.c */ 851 #include <uuid.h> 852 853 /* lib/vsprintf.c */ 854 #include <vsprintf.h> 855 856 /* lib/strmhz.c */ 857 char * strmhz(char *buf, unsigned long hz); 858 859 /* lib/crc32.c */ 860 #include <u-boot/crc.h> 861 862 /* lib/rand.c */ 863 #define RAND_MAX -1U 864 void srand(unsigned int seed); 865 unsigned int rand(void); 866 unsigned int rand_r(unsigned int *seedp); 867 868 /* 869 * STDIO based functions (can always be used) 870 */ 871 /* serial stuff */ 872 int serial_printf (const char *fmt, ...) 873 __attribute__ ((format (__printf__, 1, 2))); 874 /* stdin */ 875 int getc(void); 876 int tstc(void); 877 878 /* stdout */ 879 #if !defined(CONFIG_SPL_BUILD) || \ 880 (defined(CONFIG_TPL_BUILD) && defined(CONFIG_TPL_SERIAL_SUPPORT)) || \ 881 (defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) && \ 882 defined(CONFIG_SPL_SERIAL_SUPPORT)) 883 void putc(const char c); 884 void puts(const char *s); 885 int printf(const char *fmt, ...) 886 __attribute__ ((format (__printf__, 1, 2))); 887 int vprintf(const char *fmt, va_list args); 888 #else 889 #define putc(...) do { } while (0) 890 #define puts(...) do { } while (0) 891 #define printf(...) do { } while (0) 892 #define vprintf(...) do { } while (0) 893 #endif 894 895 /* stderr */ 896 #define eputc(c) fputc(stderr, c) 897 #define eputs(s) fputs(stderr, s) 898 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 899 900 /* 901 * FILE based functions (can only be used AFTER relocation!) 902 */ 903 #define stdin 0 904 #define stdout 1 905 #define stderr 2 906 #define MAX_FILES 3 907 908 int fprintf(int file, const char *fmt, ...) 909 __attribute__ ((format (__printf__, 2, 3))); 910 void fputs(int file, const char *s); 911 void fputc(int file, const char c); 912 int ftstc(int file); 913 int fgetc(int file); 914 915 /* lib/gzip.c */ 916 int gzip(void *dst, unsigned long *lenp, 917 unsigned char *src, unsigned long srclen); 918 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 919 unsigned long srclen, int stoponerr, 920 int (*func)(unsigned long, unsigned long)); 921 922 /* lib/net_utils.c */ 923 #include <net.h> 924 static inline struct in_addr getenv_ip(char *var) 925 { 926 return string_to_ip(getenv(var)); 927 } 928 929 int pcmcia_init (void); 930 931 #ifdef CONFIG_LED_STATUS 932 # include <status_led.h> 933 #endif 934 935 #include <bootstage.h> 936 937 #ifdef CONFIG_SHOW_ACTIVITY 938 void show_activity(int arg); 939 #endif 940 941 /* Multicore arch functions */ 942 #ifdef CONFIG_MP 943 int cpu_status(int nr); 944 int cpu_reset(int nr); 945 int cpu_disable(int nr); 946 int cpu_release(int nr, int argc, char * const argv[]); 947 #endif 948 949 #else /* __ASSEMBLY__ */ 950 951 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */ 952 #define _AC(X, Y) X 953 954 #endif /* __ASSEMBLY__ */ 955 956 #ifdef CONFIG_PPC 957 /* 958 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 959 * Otherwise might lead to compilation errors in assembler files. 960 */ 961 #include <asm/cache.h> 962 #endif 963 964 /* Put only stuff here that the assembler can digest */ 965 966 /* Declare an unsigned long constant digestable both by C and an assembler. */ 967 #define UL(x) _AC(x, UL) 968 969 #ifdef CONFIG_POST 970 #define CONFIG_HAS_POST 971 #ifndef CONFIG_POST_ALT_LIST 972 #define CONFIG_POST_STD_LIST 973 #endif 974 #endif 975 976 #ifdef CONFIG_INIT_CRITICAL 977 #error CONFIG_INIT_CRITICAL is deprecated! 978 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 979 #endif 980 981 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 982 983 /* 984 * check_member() - Check the offset of a structure member 985 * 986 * @structure: Name of structure (e.g. global_data) 987 * @member: Name of member (e.g. baudrate) 988 * @offset: Expected offset in bytes 989 */ 990 #define check_member(structure, member, offset) _Static_assert( \ 991 offsetof(struct structure, member) == offset, \ 992 "`struct " #structure "` offset for `" #member "` is not " #offset) 993 994 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 995 #ifdef CONFIG_EFI_STUB 996 #define ll_boot_init() false 997 #else 998 #define ll_boot_init() true 999 #endif 1000 1001 /* Pull in stuff for the build system */ 1002 #ifdef DO_DEPS_ONLY 1003 # include <environment.h> 1004 #endif 1005 1006 #endif /* __COMMON_H_ */ 1007