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 <errno.h> 20 #include <asm-offsets.h> 21 #include <linux/bitops.h> 22 #include <linux/types.h> 23 #include <linux/string.h> 24 #include <linux/stringify.h> 25 #include <asm/ptrace.h> 26 #include <stdarg.h> 27 #include <linux/kernel.h> 28 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 29 #include <pci.h> 30 #endif 31 #if defined(CONFIG_8xx) 32 #include <asm/8xx_immap.h> 33 #if defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \ 34 defined(CONFIG_MPC866) || \ 35 defined(CONFIG_MPC866P) 36 # define CONFIG_MPC866_FAMILY 1 37 #elif defined(CONFIG_MPC885) 38 # define CONFIG_MPC885_FAMILY 1 39 #endif 40 #if defined(CONFIG_MPC860) \ 41 || defined(CONFIG_MPC860T) \ 42 || defined(CONFIG_MPC866_FAMILY) \ 43 || defined(CONFIG_MPC885_FAMILY) 44 # define CONFIG_MPC86x 1 45 #endif 46 #elif defined(CONFIG_5xx) 47 #include <asm/5xx_immap.h> 48 #elif defined(CONFIG_MPC5xxx) 49 #include <mpc5xxx.h> 50 #elif defined(CONFIG_MPC512X) 51 #include <asm/immap_512x.h> 52 #elif defined(CONFIG_MPC8260) 53 #if defined(CONFIG_MPC8247) \ 54 || defined(CONFIG_MPC8272) 55 #define CONFIG_MPC8272_FAMILY 1 56 #endif 57 #include <asm/immap_8260.h> 58 #endif 59 #ifdef CONFIG_MPC86xx 60 #include <mpc86xx.h> 61 #include <asm/immap_86xx.h> 62 #endif 63 #ifdef CONFIG_MPC85xx 64 #include <mpc85xx.h> 65 #include <asm/immap_85xx.h> 66 #endif 67 #ifdef CONFIG_MPC83xx 68 #include <mpc83xx.h> 69 #include <asm/immap_83xx.h> 70 #endif 71 #ifdef CONFIG_4xx 72 #include <asm/ppc4xx.h> 73 #endif 74 #ifdef CONFIG_BLACKFIN 75 #include <asm/blackfin.h> 76 #endif 77 #ifdef CONFIG_SOC_DA8XX 78 #include <asm/arch/hardware.h> 79 #endif 80 #ifdef CONFIG_FSL_LSCH3 81 #include <asm/arch/immap_lsch3.h> 82 #endif 83 #ifdef CONFIG_FSL_LSCH2 84 #include <asm/arch/immap_lsch2.h> 85 #endif 86 87 #include <part.h> 88 #include <flash.h> 89 #include <image.h> 90 91 /* Bring in printf format macros if inttypes.h is included */ 92 #define __STDC_FORMAT_MACROS 93 94 #ifdef __LP64__ 95 #define CONFIG_SYS_SUPPORT_64BIT_DATA 96 #endif 97 98 #ifdef DEBUG 99 #define _DEBUG 1 100 #else 101 #define _DEBUG 0 102 #endif 103 104 #ifndef pr_fmt 105 #define pr_fmt(fmt) fmt 106 #endif 107 108 /* 109 * Output a debug text when condition "cond" is met. The "cond" should be 110 * computed by a preprocessor in the best case, allowing for the best 111 * optimization. 112 */ 113 #define debug_cond(cond, fmt, args...) \ 114 do { \ 115 if (cond) \ 116 printf(pr_fmt(fmt), ##args); \ 117 } while (0) 118 119 #define debug(fmt, args...) \ 120 debug_cond(_DEBUG, fmt, ##args) 121 122 /* 123 * An assertion is run-time check done in debug mode only. If DEBUG is not 124 * defined then it is skipped. If DEBUG is defined and the assertion fails, 125 * then it calls panic*( which may or may not reset/halt U-Boot (see 126 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 127 * before release, and after release it is hoped that they don't matter. But 128 * in any case these failing assertions cannot be fixed with a reset (which 129 * may just do the same assertion again). 130 */ 131 void __assert_fail(const char *assertion, const char *file, unsigned line, 132 const char *function); 133 #define assert(x) \ 134 ({ if (!(x) && _DEBUG) \ 135 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 136 137 #define error(fmt, args...) do { \ 138 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 139 ##args, __FILE__, __LINE__, __func__); \ 140 } while (0) 141 142 #ifndef BUG 143 #define BUG() do { \ 144 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 145 panic("BUG!"); \ 146 } while (0) 147 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 148 #endif /* BUG */ 149 150 typedef void (interrupt_handler_t)(void *); 151 152 #include <asm/u-boot.h> /* boot information for Linux kernel */ 153 #include <asm/global_data.h> /* global data used for startup functions */ 154 155 /* 156 * enable common handling for all TQM8xxL/M boards: 157 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 158 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 159 * and for the TQM885D board 160 */ 161 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 162 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 163 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 164 # ifndef CONFIG_TQM8xxM 165 # define CONFIG_TQM8xxM 166 # endif 167 #endif 168 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 169 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 170 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 171 defined(CONFIG_TQM885D) 172 # ifndef CONFIG_TQM8xxL 173 # define CONFIG_TQM8xxL 174 # endif 175 #endif 176 177 #if defined(CONFIG_ENV_IS_EMBEDDED) 178 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 179 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 180 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 181 defined(CONFIG_ENV_IS_IN_NVRAM) 182 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 183 #else 184 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 185 #endif 186 187 /* 188 * Function Prototypes 189 */ 190 int dram_init(void); 191 192 void hang (void) __attribute__ ((noreturn)); 193 194 int timer_init(void); 195 int cpu_init(void); 196 197 /* */ 198 phys_size_t initdram (int); 199 200 #include <display_options.h> 201 202 /* common/main.c */ 203 void main_loop (void); 204 int run_command(const char *cmd, int flag); 205 int run_command_repeatable(const char *cmd, int flag); 206 207 /** 208 * Run a list of commands separated by ; or even \0 209 * 210 * Note that if 'len' is not -1, then the command does not need to be nul 211 * terminated, Memory will be allocated for the command in that case. 212 * 213 * @param cmd List of commands to run, each separated bu semicolon 214 * @param len Length of commands excluding terminator if known (-1 if not) 215 * @param flag Execution flags (CMD_FLAG_...) 216 * @return 0 on success, or != 0 on error. 217 */ 218 int run_command_list(const char *cmd, int len, int flag); 219 220 /* arch/$(ARCH)/lib/board.c */ 221 void board_init_f(ulong); 222 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 223 224 /** 225 * ulong board_init_f_alloc_reserve - allocate reserved area 226 * 227 * This function is called by each architecture very early in the start-up 228 * code to allow the C runtime to reserve space on the stack for writable 229 * 'globals' such as GD and the malloc arena. 230 * 231 * @top: top of the reserve area, growing down. 232 * @return: bottom of reserved area 233 */ 234 ulong board_init_f_alloc_reserve(ulong top); 235 236 /** 237 * board_init_f_init_reserve - initialize the reserved area(s) 238 * 239 * This function is called once the C runtime has allocated the reserved 240 * area on the stack. It must initialize the GD at the base of that area. 241 * 242 * @base: top from which reservation was done 243 */ 244 void board_init_f_init_reserve(ulong base); 245 246 /** 247 * arch_setup_gd() - Set up the global_data pointer 248 * 249 * This pointer is special in some architectures and cannot easily be assigned 250 * to. For example on x86 it is implemented by adding a specific record to its 251 * Global Descriptor Table! So we we provide a function to carry out this task. 252 * For most architectures this can simply be: 253 * 254 * gd = gd_ptr; 255 * 256 * @gd_ptr: Pointer to global data 257 */ 258 void arch_setup_gd(gd_t *gd_ptr); 259 260 int checkboard(void); 261 int show_board_info(void); 262 int checkflash(void); 263 int checkdram(void); 264 int last_stage_init(void); 265 extern ulong monitor_flash_len; 266 int mac_read_from_eeprom(void); 267 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 268 int set_cpu_clk_info(void); 269 int mdm_init(void); 270 #if defined(CONFIG_DISPLAY_CPUINFO) 271 int print_cpuinfo(void); 272 #else 273 static inline int print_cpuinfo(void) 274 { 275 return 0; 276 } 277 #endif 278 int update_flash_size(int flash_size); 279 int arch_early_init_r(void); 280 281 /** 282 * arch_cpu_init_dm() - init CPU after driver model is available 283 * 284 * This is called immediately after driver model is available before 285 * relocation. This is similar to arch_cpu_init() but is able to reference 286 * devices 287 * 288 * @return 0 if OK, -ve on error 289 */ 290 int arch_cpu_init_dm(void); 291 292 /** 293 * Reserve all necessary stacks 294 * 295 * This is used in generic board init sequence in common/board_f.c. Each 296 * architecture could provide this function to tailor the required stacks. 297 * 298 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 299 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 300 * require only this can leave it untouched. 301 * 302 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 303 * positions of the stack. The stack pointer(s) will be set to this later. 304 * gd->irq_sp is only required, if the architecture needs it. 305 * 306 * @return 0 if no error 307 */ 308 __weak int arch_reserve_stacks(void); 309 310 /** 311 * Show the DRAM size in a board-specific way 312 * 313 * This is used by boards to display DRAM information in their own way. 314 * 315 * @param size Size of DRAM (which should be displayed along with other info) 316 */ 317 void board_show_dram(phys_size_t size); 318 319 /** 320 * arch_fixup_fdt() - Write arch-specific information to fdt 321 * 322 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 323 * 324 * @blob: FDT blob to write to 325 * @return 0 if ok, or -ve FDT_ERR_... on failure 326 */ 327 int arch_fixup_fdt(void *blob); 328 329 /* common/flash.c */ 330 void flash_perror (int); 331 332 /* common/cmd_source.c */ 333 int source (ulong addr, const char *fit_uname); 334 335 extern ulong load_addr; /* Default Load Address */ 336 extern ulong save_addr; /* Default Save Address */ 337 extern ulong save_size; /* Default Save Size */ 338 339 /* common/cmd_doc.c */ 340 void doc_probe(unsigned long physadr); 341 342 /* common/cmd_net.c */ 343 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 344 345 /* common/cmd_fat.c */ 346 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 347 348 /* common/cmd_ext2.c */ 349 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 350 351 /* common/cmd_nvedit.c */ 352 int env_init (void); 353 void env_relocate (void); 354 int envmatch (uchar *, int); 355 356 /* Avoid unfortunate conflict with libc's getenv() */ 357 #ifdef CONFIG_SANDBOX 358 #define getenv uboot_getenv 359 #endif 360 char *getenv (const char *); 361 int getenv_f (const char *name, char *buf, unsigned len); 362 ulong getenv_ulong(const char *name, int base, ulong default_val); 363 364 /** 365 * getenv_hex() - Return an environment variable as a hex value 366 * 367 * Decode an environment as a hex number (it may or may not have a 0x 368 * prefix). If the environment variable cannot be found, or does not start 369 * with hex digits, the default value is returned. 370 * 371 * @varname: Variable to decode 372 * @default_val: Value to return on error 373 */ 374 ulong getenv_hex(const char *varname, ulong default_val); 375 376 /* 377 * Read an environment variable as a boolean 378 * Return -1 if variable does not exist (default to true) 379 */ 380 int getenv_yesno(const char *var); 381 int saveenv (void); 382 int setenv (const char *, const char *); 383 int setenv_ulong(const char *varname, ulong value); 384 int setenv_hex(const char *varname, ulong value); 385 /** 386 * setenv_addr - Set an environment variable to an address in hex 387 * 388 * @varname: Environment variable to set 389 * @addr: Value to set it to 390 * @return 0 if ok, 1 on error 391 */ 392 static inline int setenv_addr(const char *varname, const void *addr) 393 { 394 return setenv_hex(varname, (ulong)addr); 395 } 396 397 #ifdef CONFIG_ARM 398 # include <asm/mach-types.h> 399 # include <asm/setup.h> 400 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 401 #endif /* CONFIG_ARM */ 402 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 403 # include <asm/u-boot-x86.h> 404 #endif /* CONFIG_X86 */ 405 #ifdef CONFIG_SANDBOX 406 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 407 #endif 408 #ifdef CONFIG_NDS32 409 # include <asm/mach-types.h> 410 # include <asm/setup.h> 411 # include <asm/u-boot-nds32.h> 412 #endif /* CONFIG_NDS32 */ 413 #ifdef CONFIG_MIPS 414 # include <asm/u-boot-mips.h> 415 #endif /* CONFIG_MIPS */ 416 #ifdef CONFIG_ARC 417 # include <asm/u-boot-arc.h> 418 #endif /* CONFIG_ARC */ 419 420 #ifdef CONFIG_AUTO_COMPLETE 421 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 422 #endif 423 int get_env_id (void); 424 425 void pci_init (void); 426 void pci_init_board(void); 427 428 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 429 int pci_pre_init (struct pci_controller *); 430 int is_pci_host (struct pci_controller *); 431 #endif 432 433 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 434 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 435 void pci_target_init (struct pci_controller *); 436 # endif 437 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 438 void pci_master_init (struct pci_controller *); 439 # endif 440 #if defined(CONFIG_440SPE) || \ 441 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 442 defined(CONFIG_405EX) 443 void pcie_setup_hoses(int busno); 444 #endif 445 #endif 446 447 int misc_init_f (void); 448 int misc_init_r (void); 449 450 /* common/exports.c */ 451 void jumptable_init(void); 452 453 /* common/kallsysm.c */ 454 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 455 456 /* api/api.c */ 457 void api_init (void); 458 459 /* common/memsize.c */ 460 long get_ram_size (long *, long); 461 phys_size_t get_effective_memsize(void); 462 463 /* $(BOARD)/$(BOARD).c */ 464 void reset_phy (void); 465 void fdc_hw_init (void); 466 467 /* $(BOARD)/eeprom.c */ 468 void eeprom_init (int bus); 469 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 470 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 471 472 /* 473 * Set this up regardless of board 474 * type, to prevent errors. 475 */ 476 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 477 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 478 #else 479 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 480 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 481 #endif 482 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 483 484 #if defined(CONFIG_SPI) 485 extern void spi_init_f (void); 486 extern void spi_init_r (void); 487 extern ssize_t spi_read (uchar *, int, uchar *, int); 488 extern ssize_t spi_write (uchar *, int, uchar *, int); 489 #endif 490 491 /* $(BOARD)/$(BOARD).c */ 492 int board_early_init_f (void); 493 int board_late_init (void); 494 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 495 int board_early_init_r (void); 496 void board_poweroff (void); 497 498 #if defined(CONFIG_SYS_DRAM_TEST) 499 int testdram(void); 500 #endif /* CONFIG_SYS_DRAM_TEST */ 501 502 /* $(CPU)/start.S */ 503 #if defined(CONFIG_5xx) || \ 504 defined(CONFIG_8xx) 505 uint get_immr (uint); 506 #endif 507 #if defined(CONFIG_MPC5xxx) 508 uint get_svr (void); 509 #endif 510 uint get_pvr (void); 511 uint get_svr (void); 512 uint rd_ic_cst (void); 513 void wr_ic_cst (uint); 514 void wr_ic_adr (uint); 515 uint rd_dc_cst (void); 516 void wr_dc_cst (uint); 517 void wr_dc_adr (uint); 518 int icache_status (void); 519 void icache_enable (void); 520 void icache_disable(void); 521 int dcache_status (void); 522 void dcache_enable (void); 523 void dcache_disable(void); 524 void mmu_disable(void); 525 #if defined(CONFIG_ARM) 526 void relocate_code(ulong); 527 #else 528 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 529 #endif 530 ulong get_endaddr (void); 531 void trap_init (ulong); 532 #if defined (CONFIG_4xx) || \ 533 defined (CONFIG_MPC5xxx) || \ 534 defined (CONFIG_MPC85xx) || \ 535 defined (CONFIG_MPC86xx) || \ 536 defined (CONFIG_MPC83xx) 537 unsigned char in8(unsigned int); 538 void out8(unsigned int, unsigned char); 539 unsigned short in16(unsigned int); 540 unsigned short in16r(unsigned int); 541 void out16(unsigned int, unsigned short value); 542 void out16r(unsigned int, unsigned short value); 543 unsigned long in32(unsigned int); 544 unsigned long in32r(unsigned int); 545 void out32(unsigned int, unsigned long value); 546 void out32r(unsigned int, unsigned long value); 547 void ppcDcbf(unsigned long value); 548 void ppcDcbi(unsigned long value); 549 void ppcSync(void); 550 void ppcDcbz(unsigned long value); 551 #endif 552 #if defined (CONFIG_MICROBLAZE) 553 unsigned short in16(unsigned int); 554 void out16(unsigned int, unsigned short value); 555 #endif 556 557 #if defined (CONFIG_MPC83xx) 558 void ppcDWload(unsigned int *addr, unsigned int *ret); 559 void ppcDWstore(unsigned int *addr, unsigned int *value); 560 void disable_addr_trans(void); 561 void enable_addr_trans(void); 562 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 563 void ddr_enable_ecc(unsigned int dram_size); 564 #endif 565 #endif 566 567 /* 568 * Return the current value of a monotonically increasing microsecond timer. 569 * Granularity may be larger than 1us if hardware does not support this. 570 */ 571 ulong timer_get_us(void); 572 573 /* $(CPU)/cpu.c */ 574 static inline int cpumask_next(int cpu, unsigned int mask) 575 { 576 for (cpu++; !((1 << cpu) & mask); cpu++) 577 ; 578 579 return cpu; 580 } 581 582 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 583 for (iter = 0, cpu = cpumask_next(-1, mask); \ 584 iter < num_cpus; \ 585 iter++, cpu = cpumask_next(cpu, mask)) \ 586 587 int cpu_numcores (void); 588 int cpu_num_dspcores(void); 589 u32 cpu_mask (void); 590 u32 cpu_dsp_mask(void); 591 int is_core_valid (unsigned int); 592 int probecpu (void); 593 int checkcpu (void); 594 int checkicache (void); 595 int checkdcache (void); 596 void upmconfig (unsigned int, unsigned int *, unsigned int); 597 ulong get_tbclk (void); 598 void reset_misc (void); 599 void reset_cpu (ulong addr); 600 void ft_cpu_setup(void *blob, bd_t *bd); 601 void ft_pci_setup(void *blob, bd_t *bd); 602 603 void smp_set_core_boot_addr(unsigned long addr, int corenr); 604 void smp_kick_all_cpus(void); 605 606 /* $(CPU)/serial.c */ 607 int serial_init (void); 608 void serial_setbrg (void); 609 void serial_putc (const char); 610 void serial_putc_raw(const char); 611 void serial_puts (const char *); 612 int serial_getc (void); 613 int serial_tstc (void); 614 615 /* These versions take a stdio_dev pointer */ 616 struct stdio_dev; 617 int serial_stub_getc(struct stdio_dev *sdev); 618 int serial_stub_tstc(struct stdio_dev *sdev); 619 620 /* $(CPU)/speed.c */ 621 int get_clocks (void); 622 int get_clocks_866 (void); 623 int sdram_adjust_866 (void); 624 int adjust_sdram_tbs_8xx (void); 625 #if defined(CONFIG_MPC8260) 626 int prt_8260_clks (void); 627 #elif defined(CONFIG_MPC5xxx) 628 int prt_mpc5xxx_clks (void); 629 #endif 630 #ifdef CONFIG_4xx 631 ulong get_OPB_freq (void); 632 ulong get_PCI_freq (void); 633 #endif 634 #if defined(CONFIG_S3C24X0) || \ 635 defined(CONFIG_LH7A40X) || \ 636 defined(CONFIG_EP93XX) 637 ulong get_FCLK (void); 638 ulong get_HCLK (void); 639 ulong get_PCLK (void); 640 ulong get_UCLK (void); 641 #endif 642 #if defined(CONFIG_LH7A40X) 643 ulong get_PLLCLK (void); 644 #endif 645 #if defined(CONFIG_IMX) 646 ulong get_systemPLLCLK(void); 647 ulong get_FCLK(void); 648 ulong get_HCLK(void); 649 ulong get_BCLK(void); 650 ulong get_PERCLK1(void); 651 ulong get_PERCLK2(void); 652 ulong get_PERCLK3(void); 653 #endif 654 ulong get_bus_freq (ulong); 655 int get_serial_clock(void); 656 657 #if defined(CONFIG_MPC85xx) 658 typedef MPC85xx_SYS_INFO sys_info_t; 659 void get_sys_info ( sys_info_t * ); 660 void ft_fixup_cpu(void *, u64); 661 void ft_fixup_num_cores(void *); 662 #endif 663 #if defined(CONFIG_MPC86xx) 664 typedef MPC86xx_SYS_INFO sys_info_t; 665 void get_sys_info ( sys_info_t * ); 666 static inline ulong get_ddr_freq(ulong dummy) 667 { 668 return get_bus_freq(dummy); 669 } 670 #else 671 ulong get_ddr_freq(ulong); 672 #endif 673 674 #if defined(CONFIG_4xx) 675 # if defined(CONFIG_440) 676 # if defined(CONFIG_440SPE) 677 unsigned long determine_sysper(void); 678 unsigned long determine_pci_clock_per(void); 679 # endif 680 # endif 681 typedef PPC4xx_SYS_INFO sys_info_t; 682 int ppc440spe_revB(void); 683 void get_sys_info ( sys_info_t * ); 684 #endif 685 686 /* $(CPU)/cpu_init.c */ 687 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 688 void cpu_init_f (volatile immap_t *immr); 689 #endif 690 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 691 void cpu_init_f (void); 692 #endif 693 #ifdef CONFIG_MPC85xx 694 ulong cpu_init_f(void); 695 #endif 696 697 int cpu_init_r (void); 698 #if defined(CONFIG_MPC8260) 699 int prt_8260_rsr (void); 700 #elif defined(CONFIG_MPC83xx) 701 int prt_83xx_rsr (void); 702 #endif 703 704 /* $(CPU)/interrupts.c */ 705 int interrupt_init (void); 706 void timer_interrupt (struct pt_regs *); 707 void external_interrupt (struct pt_regs *); 708 void irq_install_handler(int, interrupt_handler_t *, void *); 709 void irq_free_handler (int); 710 void reset_timer (void); 711 ulong get_timer (ulong base); 712 713 /* Return value of monotonic microsecond timer */ 714 unsigned long timer_get_us(void); 715 716 void enable_interrupts (void); 717 int disable_interrupts (void); 718 719 /* $(CPU)/.../commproc.c */ 720 int dpram_init (void); 721 uint dpram_base(void); 722 uint dpram_base_align(uint align); 723 uint dpram_alloc(uint size); 724 uint dpram_alloc_align(uint size,uint align); 725 void bootcount_store (ulong); 726 ulong bootcount_load (void); 727 #define BOOTCOUNT_MAGIC 0xB001C041 728 729 /* $(CPU)/.../<eth> */ 730 void mii_init (void); 731 732 /* $(CPU)/.../lcd.c */ 733 ulong lcd_setmem (ulong); 734 735 /* $(CPU)/.../video.c */ 736 ulong video_setmem (ulong); 737 738 /* arch/$(ARCH)/lib/cache.c */ 739 void enable_caches(void); 740 void flush_cache (unsigned long, unsigned long); 741 void flush_dcache_all(void); 742 void flush_dcache_range(unsigned long start, unsigned long stop); 743 void invalidate_dcache_range(unsigned long start, unsigned long stop); 744 void invalidate_dcache_all(void); 745 void invalidate_icache_all(void); 746 747 enum { 748 /* Disable caches (else flush caches but leave them active) */ 749 CBL_DISABLE_CACHES = 1 << 0, 750 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 751 752 CBL_ALL = 3, 753 }; 754 755 /** 756 * Clean up ready for linux 757 * 758 * @param flags Flags to control what is done 759 */ 760 int cleanup_before_linux_select(int flags); 761 762 /* arch/$(ARCH)/lib/ticks.S */ 763 uint64_t get_ticks(void); 764 void wait_ticks (unsigned long); 765 766 /* arch/$(ARCH)/lib/time.c */ 767 void __udelay (unsigned long); 768 ulong usec2ticks (unsigned long usec); 769 ulong ticks2usec (unsigned long ticks); 770 int init_timebase (void); 771 772 /* lib/gunzip.c */ 773 int gunzip(void *, int, unsigned char *, unsigned long *); 774 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 775 int stoponerr, int offset); 776 777 /** 778 * gzwrite progress indicators: defined weak to allow board-specific 779 * overrides: 780 * 781 * gzwrite_progress_init called on startup 782 * gzwrite_progress called during decompress/write loop 783 * gzwrite_progress_finish called at end of loop to 784 * indicate success (retcode=0) or failure 785 */ 786 void gzwrite_progress_init(u64 expected_size); 787 788 void gzwrite_progress(int iteration, 789 u64 bytes_written, 790 u64 total_bytes); 791 792 void gzwrite_progress_finish(int retcode, 793 u64 totalwritten, 794 u64 totalsize, 795 u32 expected_crc, 796 u32 calculated_crc); 797 798 /** 799 * decompress and write gzipped image from memory to block device 800 * 801 * @param src compressed image address 802 * @param len compressed image length in bytes 803 * @param dev block device descriptor 804 * @param szwritebuf bytes per write (pad to erase size) 805 * @param startoffs offset in bytes of first write 806 * @param szexpected expected uncompressed length 807 * may be zero to use gzip trailer 808 * for files under 4GiB 809 */ 810 int gzwrite(unsigned char *src, int len, 811 struct blk_desc *dev, 812 unsigned long szwritebuf, 813 u64 startoffs, 814 u64 szexpected); 815 816 /* lib/lz4_wrapper.c */ 817 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn); 818 819 /* lib/qsort.c */ 820 void qsort(void *base, size_t nmemb, size_t size, 821 int(*compar)(const void *, const void *)); 822 int strcmp_compar(const void *, const void *); 823 824 /* lib/time.c */ 825 void udelay (unsigned long); 826 void mdelay(unsigned long); 827 828 /* lib/uuid.c */ 829 #include <uuid.h> 830 831 /* lib/vsprintf.c */ 832 #include <vsprintf.h> 833 834 /* lib/strmhz.c */ 835 char * strmhz(char *buf, unsigned long hz); 836 837 /* lib/crc32.c */ 838 #include <u-boot/crc.h> 839 840 /* lib/rand.c */ 841 #define RAND_MAX -1U 842 void srand(unsigned int seed); 843 unsigned int rand(void); 844 unsigned int rand_r(unsigned int *seedp); 845 846 /* 847 * STDIO based functions (can always be used) 848 */ 849 /* serial stuff */ 850 int serial_printf (const char *fmt, ...) 851 __attribute__ ((format (__printf__, 1, 2))); 852 /* stdin */ 853 int getc(void); 854 int tstc(void); 855 856 /* stdout */ 857 #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SERIAL_SUPPORT) 858 #define putc(...) do { } while (0) 859 #define puts(...) do { } while (0) 860 #define printf(...) do { } while (0) 861 #define vprintf(...) do { } while (0) 862 #else 863 void putc(const char c); 864 void puts(const char *s); 865 int printf(const char *fmt, ...) 866 __attribute__ ((format (__printf__, 1, 2))); 867 int vprintf(const char *fmt, va_list args); 868 #endif 869 870 /* stderr */ 871 #define eputc(c) fputc(stderr, c) 872 #define eputs(s) fputs(stderr, s) 873 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 874 875 /* 876 * FILE based functions (can only be used AFTER relocation!) 877 */ 878 #define stdin 0 879 #define stdout 1 880 #define stderr 2 881 #define MAX_FILES 3 882 883 int fprintf(int file, const char *fmt, ...) 884 __attribute__ ((format (__printf__, 2, 3))); 885 void fputs(int file, const char *s); 886 void fputc(int file, const char c); 887 int ftstc(int file); 888 int fgetc(int file); 889 890 /* lib/gzip.c */ 891 int gzip(void *dst, unsigned long *lenp, 892 unsigned char *src, unsigned long srclen); 893 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 894 unsigned long srclen, int stoponerr, 895 int (*func)(unsigned long, unsigned long)); 896 897 /* lib/net_utils.c */ 898 #include <net.h> 899 static inline struct in_addr getenv_ip(char *var) 900 { 901 return string_to_ip(getenv(var)); 902 } 903 904 int pcmcia_init (void); 905 906 #ifdef CONFIG_STATUS_LED 907 # include <status_led.h> 908 #endif 909 910 #include <bootstage.h> 911 912 #ifdef CONFIG_SHOW_ACTIVITY 913 void show_activity(int arg); 914 #endif 915 916 /* Multicore arch functions */ 917 #ifdef CONFIG_MP 918 int cpu_status(int nr); 919 int cpu_reset(int nr); 920 int cpu_disable(int nr); 921 int cpu_release(int nr, int argc, char * const argv[]); 922 #endif 923 924 #endif /* __ASSEMBLY__ */ 925 926 #ifdef CONFIG_PPC 927 /* 928 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 929 * Otherwise might lead to compilation errors in assembler files. 930 */ 931 #include <asm/cache.h> 932 #endif 933 934 /* Put only stuff here that the assembler can digest */ 935 936 #ifdef CONFIG_POST 937 #define CONFIG_HAS_POST 938 #ifndef CONFIG_POST_ALT_LIST 939 #define CONFIG_POST_STD_LIST 940 #endif 941 #endif 942 943 #ifdef CONFIG_INIT_CRITICAL 944 #error CONFIG_INIT_CRITICAL is deprecated! 945 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 946 #endif 947 948 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 949 950 /* 951 * check_member() - Check the offset of a structure member 952 * 953 * @structure: Name of structure (e.g. global_data) 954 * @member: Name of member (e.g. baudrate) 955 * @offset: Expected offset in bytes 956 */ 957 #define check_member(structure, member, offset) _Static_assert( \ 958 offsetof(struct structure, member) == offset, \ 959 "`struct " #structure "` offset for `" #member "` is not " #offset) 960 961 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */ 962 #ifdef CONFIG_EFI_STUB 963 #define ll_boot_init() false 964 #else 965 #define ll_boot_init() true 966 #endif 967 968 /* Pull in stuff for the build system */ 969 #ifdef DO_DEPS_ONLY 970 # include <environment.h> 971 #endif 972 973 #endif /* __COMMON_H_ */ 974