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