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 80 #include <part.h> 81 #include <flash.h> 82 #include <image.h> 83 84 /* Bring in printf format macros if inttypes.h is included */ 85 #define __STDC_FORMAT_MACROS 86 87 #ifdef __LP64__ 88 #define CONFIG_SYS_SUPPORT_64BIT_DATA 89 #endif 90 91 #ifdef DEBUG 92 #define _DEBUG 1 93 #else 94 #define _DEBUG 0 95 #endif 96 97 #ifndef pr_fmt 98 #define pr_fmt(fmt) fmt 99 #endif 100 101 /* 102 * Output a debug text when condition "cond" is met. The "cond" should be 103 * computed by a preprocessor in the best case, allowing for the best 104 * optimization. 105 */ 106 #define debug_cond(cond, fmt, args...) \ 107 do { \ 108 if (cond) \ 109 printf(pr_fmt(fmt), ##args); \ 110 } while (0) 111 112 #define debug(fmt, args...) \ 113 debug_cond(_DEBUG, fmt, ##args) 114 115 /* 116 * An assertion is run-time check done in debug mode only. If DEBUG is not 117 * defined then it is skipped. If DEBUG is defined and the assertion fails, 118 * then it calls panic*( which may or may not reset/halt U-Boot (see 119 * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found 120 * before release, and after release it is hoped that they don't matter. But 121 * in any case these failing assertions cannot be fixed with a reset (which 122 * may just do the same assertion again). 123 */ 124 void __assert_fail(const char *assertion, const char *file, unsigned line, 125 const char *function); 126 #define assert(x) \ 127 ({ if (!(x) && _DEBUG) \ 128 __assert_fail(#x, __FILE__, __LINE__, __func__); }) 129 130 #define error(fmt, args...) do { \ 131 printf("ERROR: " pr_fmt(fmt) "\nat %s:%d/%s()\n", \ 132 ##args, __FILE__, __LINE__, __func__); \ 133 } while (0) 134 135 #ifndef BUG 136 #define BUG() do { \ 137 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ 138 panic("BUG!"); \ 139 } while (0) 140 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) 141 #endif /* BUG */ 142 143 /* Force a compilation error if condition is true */ 144 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 145 146 typedef void (interrupt_handler_t)(void *); 147 148 #include <asm/u-boot.h> /* boot information for Linux kernel */ 149 #include <asm/global_data.h> /* global data used for startup functions */ 150 151 /* 152 * enable common handling for all TQM8xxL/M boards: 153 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 154 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 155 * and for the TQM885D board 156 */ 157 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 158 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 159 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M) 160 # ifndef CONFIG_TQM8xxM 161 # define CONFIG_TQM8xxM 162 # endif 163 #endif 164 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 165 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 166 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \ 167 defined(CONFIG_TQM885D) 168 # ifndef CONFIG_TQM8xxL 169 # define CONFIG_TQM8xxL 170 # endif 171 #endif 172 173 #if defined(CONFIG_ENV_IS_EMBEDDED) 174 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 175 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ 176 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ 177 defined(CONFIG_ENV_IS_IN_NVRAM) 178 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) 179 #else 180 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN 181 #endif 182 183 /* 184 * Function Prototypes 185 */ 186 int dram_init(void); 187 188 void hang (void) __attribute__ ((noreturn)); 189 190 int timer_init(void); 191 int cpu_init(void); 192 193 /* */ 194 phys_size_t initdram (int); 195 int display_options (void); 196 197 /** 198 * print_size() - Print a size with a suffic 199 * 200 * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", 201 * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string 202 * (like "\n") 203 * 204 * @size: Size to print 205 * @suffix String to print after the size 206 */ 207 void print_size(uint64_t size, const char *suffix); 208 209 int print_buffer(ulong addr, const void *data, uint width, uint count, 210 uint linelen); 211 212 /* common/main.c */ 213 void main_loop (void); 214 int run_command(const char *cmd, int flag); 215 int run_command_repeatable(const char *cmd, int flag); 216 217 /** 218 * Run a list of commands separated by ; or even \0 219 * 220 * Note that if 'len' is not -1, then the command does not need to be nul 221 * terminated, Memory will be allocated for the command in that case. 222 * 223 * @param cmd List of commands to run, each separated bu semicolon 224 * @param len Length of commands excluding terminator if known (-1 if not) 225 * @param flag Execution flags (CMD_FLAG_...) 226 * @return 0 on success, or != 0 on error. 227 */ 228 int run_command_list(const char *cmd, int len, int flag); 229 extern char console_buffer[]; 230 231 /* arch/$(ARCH)/lib/board.c */ 232 void board_init_f(ulong); 233 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 234 int checkboard(void); 235 int show_board_info(void); 236 int checkflash(void); 237 int checkdram(void); 238 int last_stage_init(void); 239 extern ulong monitor_flash_len; 240 int mac_read_from_eeprom(void); 241 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 242 int set_cpu_clk_info(void); 243 int mdm_init(void); 244 #if defined(CONFIG_DISPLAY_CPUINFO) 245 int print_cpuinfo(void); 246 #else 247 static inline int print_cpuinfo(void) 248 { 249 return 0; 250 } 251 #endif 252 int update_flash_size(int flash_size); 253 int arch_early_init_r(void); 254 255 /** 256 * Reserve all necessary stacks 257 * 258 * This is used in generic board init sequence in common/board_f.c. Each 259 * architecture could provide this function to tailor the required stacks. 260 * 261 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 262 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 263 * require only this can leave it untouched. 264 * 265 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 266 * positions of the stack. The stack pointer(s) will be set to this later. 267 * gd->irq_sp is only required, if the architecture needs it. 268 * 269 * @return 0 if no error 270 */ 271 __weak int arch_reserve_stacks(void); 272 273 /** 274 * Show the DRAM size in a board-specific way 275 * 276 * This is used by boards to display DRAM information in their own way. 277 * 278 * @param size Size of DRAM (which should be displayed along with other info) 279 */ 280 void board_show_dram(ulong size); 281 282 /** 283 * arch_fixup_fdt() - Write arch-specific information to fdt 284 * 285 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 286 * 287 * @blob: FDT blob to write to 288 * @return 0 if ok, or -ve FDT_ERR_... on failure 289 */ 290 int arch_fixup_fdt(void *blob); 291 292 /* common/flash.c */ 293 void flash_perror (int); 294 295 /* common/cmd_source.c */ 296 int source (ulong addr, const char *fit_uname); 297 298 extern ulong load_addr; /* Default Load Address */ 299 extern ulong save_addr; /* Default Save Address */ 300 extern ulong save_size; /* Default Save Size */ 301 302 /* common/cmd_doc.c */ 303 void doc_probe(unsigned long physadr); 304 305 /* common/cmd_net.c */ 306 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 307 308 /* common/cmd_fat.c */ 309 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 310 311 /* common/cmd_ext2.c */ 312 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 313 314 /* common/cmd_nvedit.c */ 315 int env_init (void); 316 void env_relocate (void); 317 int envmatch (uchar *, int); 318 319 /* Avoid unfortunate conflict with libc's getenv() */ 320 #ifdef CONFIG_SANDBOX 321 #define getenv uboot_getenv 322 #endif 323 char *getenv (const char *); 324 int getenv_f (const char *name, char *buf, unsigned len); 325 ulong getenv_ulong(const char *name, int base, ulong default_val); 326 327 /** 328 * getenv_hex() - Return an environment variable as a hex value 329 * 330 * Decode an environment as a hex number (it may or may not have a 0x 331 * prefix). If the environment variable cannot be found, or does not start 332 * with hex digits, the default value is returned. 333 * 334 * @varname: Variable to decode 335 * @default_val: Value to return on error 336 */ 337 ulong getenv_hex(const char *varname, ulong default_val); 338 339 /* 340 * Read an environment variable as a boolean 341 * Return -1 if variable does not exist (default to true) 342 */ 343 int getenv_yesno(const char *var); 344 int saveenv (void); 345 int setenv (const char *, const char *); 346 int setenv_ulong(const char *varname, ulong value); 347 int setenv_hex(const char *varname, ulong value); 348 /** 349 * setenv_addr - Set an environment variable to an address in hex 350 * 351 * @varname: Environment variable to set 352 * @addr: Value to set it to 353 * @return 0 if ok, 1 on error 354 */ 355 static inline int setenv_addr(const char *varname, const void *addr) 356 { 357 return setenv_hex(varname, (ulong)addr); 358 } 359 360 #ifdef CONFIG_ARM 361 # include <asm/mach-types.h> 362 # include <asm/setup.h> 363 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 364 #endif /* CONFIG_ARM */ 365 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 366 # include <asm/u-boot-x86.h> 367 #endif /* CONFIG_X86 */ 368 #ifdef CONFIG_SANDBOX 369 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 370 #endif 371 #ifdef CONFIG_NDS32 372 # include <asm/mach-types.h> 373 # include <asm/setup.h> 374 # include <asm/u-boot-nds32.h> 375 #endif /* CONFIG_NDS32 */ 376 #ifdef CONFIG_MIPS 377 # include <asm/u-boot-mips.h> 378 #endif /* CONFIG_MIPS */ 379 #ifdef CONFIG_ARC 380 # include <asm/u-boot-arc.h> 381 #endif /* CONFIG_ARC */ 382 383 #ifdef CONFIG_AUTO_COMPLETE 384 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 385 #endif 386 int get_env_id (void); 387 388 void pci_init (void); 389 void pci_init_board(void); 390 void pciinfo (int, int); 391 392 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 393 int pci_pre_init (struct pci_controller *); 394 int is_pci_host (struct pci_controller *); 395 #endif 396 397 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 398 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 399 void pci_target_init (struct pci_controller *); 400 # endif 401 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 402 void pci_master_init (struct pci_controller *); 403 # endif 404 #if defined(CONFIG_440SPE) || \ 405 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 406 defined(CONFIG_405EX) 407 void pcie_setup_hoses(int busno); 408 #endif 409 #endif 410 411 int misc_init_f (void); 412 int misc_init_r (void); 413 414 /* common/exports.c */ 415 void jumptable_init(void); 416 417 /* common/kallsysm.c */ 418 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 419 420 /* api/api.c */ 421 void api_init (void); 422 423 /* common/memsize.c */ 424 long get_ram_size (long *, long); 425 phys_size_t get_effective_memsize(void); 426 427 /* $(BOARD)/$(BOARD).c */ 428 void reset_phy (void); 429 void fdc_hw_init (void); 430 431 /* $(BOARD)/eeprom.c */ 432 void eeprom_init (void); 433 #ifndef CONFIG_SPI 434 int eeprom_probe (unsigned dev_addr, unsigned offset); 435 #endif 436 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 437 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 438 439 /* 440 * Set this up regardless of board 441 * type, to prevent errors. 442 */ 443 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 444 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 445 #else 446 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 447 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 448 #endif 449 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 450 451 #if defined(CONFIG_SPI) 452 extern void spi_init_f (void); 453 extern void spi_init_r (void); 454 extern ssize_t spi_read (uchar *, int, uchar *, int); 455 extern ssize_t spi_write (uchar *, int, uchar *, int); 456 #endif 457 458 /* $(BOARD)/$(BOARD).c */ 459 int board_early_init_f (void); 460 int board_late_init (void); 461 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 462 int board_early_init_r (void); 463 void board_poweroff (void); 464 465 #if defined(CONFIG_SYS_DRAM_TEST) 466 int testdram(void); 467 #endif /* CONFIG_SYS_DRAM_TEST */ 468 469 /* $(CPU)/start.S */ 470 #if defined(CONFIG_5xx) || \ 471 defined(CONFIG_8xx) 472 uint get_immr (uint); 473 #endif 474 uint get_pir (void); 475 #if defined(CONFIG_MPC5xxx) 476 uint get_svr (void); 477 #endif 478 uint get_pvr (void); 479 uint get_svr (void); 480 uint rd_ic_cst (void); 481 void wr_ic_cst (uint); 482 void wr_ic_adr (uint); 483 uint rd_dc_cst (void); 484 void wr_dc_cst (uint); 485 void wr_dc_adr (uint); 486 int icache_status (void); 487 void icache_enable (void); 488 void icache_disable(void); 489 int dcache_status (void); 490 void dcache_enable (void); 491 void dcache_disable(void); 492 void mmu_disable(void); 493 #if defined(CONFIG_ARM) 494 void relocate_code(ulong); 495 #else 496 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 497 #endif 498 ulong get_endaddr (void); 499 void trap_init (ulong); 500 #if defined (CONFIG_4xx) || \ 501 defined (CONFIG_MPC5xxx) || \ 502 defined (CONFIG_MPC85xx) || \ 503 defined (CONFIG_MPC86xx) || \ 504 defined (CONFIG_MPC83xx) 505 unsigned char in8(unsigned int); 506 void out8(unsigned int, unsigned char); 507 unsigned short in16(unsigned int); 508 unsigned short in16r(unsigned int); 509 void out16(unsigned int, unsigned short value); 510 void out16r(unsigned int, unsigned short value); 511 unsigned long in32(unsigned int); 512 unsigned long in32r(unsigned int); 513 void out32(unsigned int, unsigned long value); 514 void out32r(unsigned int, unsigned long value); 515 void ppcDcbf(unsigned long value); 516 void ppcDcbi(unsigned long value); 517 void ppcSync(void); 518 void ppcDcbz(unsigned long value); 519 #endif 520 #if defined (CONFIG_MICROBLAZE) 521 unsigned short in16(unsigned int); 522 void out16(unsigned int, unsigned short value); 523 #endif 524 525 #if defined (CONFIG_MPC83xx) 526 void ppcDWload(unsigned int *addr, unsigned int *ret); 527 void ppcDWstore(unsigned int *addr, unsigned int *value); 528 void disable_addr_trans(void); 529 void enable_addr_trans(void); 530 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 531 void ddr_enable_ecc(unsigned int dram_size); 532 #endif 533 #endif 534 535 /* 536 * Return the current value of a monotonically increasing microsecond timer. 537 * Granularity may be larger than 1us if hardware does not support this. 538 */ 539 ulong timer_get_us(void); 540 541 /* $(CPU)/cpu.c */ 542 static inline int cpumask_next(int cpu, unsigned int mask) 543 { 544 for (cpu++; !((1 << cpu) & mask); cpu++) 545 ; 546 547 return cpu; 548 } 549 550 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 551 for (iter = 0, cpu = cpumask_next(-1, mask); \ 552 iter < num_cpus; \ 553 iter++, cpu = cpumask_next(cpu, mask)) \ 554 555 int cpu_numcores (void); 556 int cpu_num_dspcores(void); 557 u32 cpu_mask (void); 558 u32 cpu_dsp_mask(void); 559 int is_core_valid (unsigned int); 560 int probecpu (void); 561 int checkcpu (void); 562 int checkicache (void); 563 int checkdcache (void); 564 void upmconfig (unsigned int, unsigned int *, unsigned int); 565 ulong get_tbclk (void); 566 void reset_misc (void); 567 void reset_cpu (ulong addr); 568 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 569 void ft_cpu_setup(void *blob, bd_t *bd); 570 #ifdef CONFIG_PCI 571 void ft_pci_setup(void *blob, bd_t *bd); 572 #endif 573 #endif 574 575 void smp_set_core_boot_addr(unsigned long addr, int corenr); 576 void smp_kick_all_cpus(void); 577 578 /* $(CPU)/serial.c */ 579 int serial_init (void); 580 void serial_setbrg (void); 581 void serial_putc (const char); 582 void serial_putc_raw(const char); 583 void serial_puts (const char *); 584 int serial_getc (void); 585 int serial_tstc (void); 586 587 /* These versions take a stdio_dev pointer */ 588 struct stdio_dev; 589 int serial_stub_getc(struct stdio_dev *sdev); 590 int serial_stub_tstc(struct stdio_dev *sdev); 591 592 /* $(CPU)/speed.c */ 593 int get_clocks (void); 594 int get_clocks_866 (void); 595 int sdram_adjust_866 (void); 596 int adjust_sdram_tbs_8xx (void); 597 #if defined(CONFIG_MPC8260) 598 int prt_8260_clks (void); 599 #elif defined(CONFIG_MPC5xxx) 600 int prt_mpc5xxx_clks (void); 601 #endif 602 #ifdef CONFIG_4xx 603 ulong get_OPB_freq (void); 604 ulong get_PCI_freq (void); 605 #endif 606 #if defined(CONFIG_S3C24X0) || \ 607 defined(CONFIG_LH7A40X) || \ 608 defined(CONFIG_EP93XX) 609 ulong get_FCLK (void); 610 ulong get_HCLK (void); 611 ulong get_PCLK (void); 612 ulong get_UCLK (void); 613 #endif 614 #if defined(CONFIG_LH7A40X) 615 ulong get_PLLCLK (void); 616 #endif 617 #if defined(CONFIG_IMX) 618 ulong get_systemPLLCLK(void); 619 ulong get_FCLK(void); 620 ulong get_HCLK(void); 621 ulong get_BCLK(void); 622 ulong get_PERCLK1(void); 623 ulong get_PERCLK2(void); 624 ulong get_PERCLK3(void); 625 #endif 626 ulong get_bus_freq (ulong); 627 int get_serial_clock(void); 628 629 #if defined(CONFIG_MPC85xx) 630 typedef MPC85xx_SYS_INFO sys_info_t; 631 void get_sys_info ( sys_info_t * ); 632 # if defined(CONFIG_OF_LIBFDT) 633 void ft_fixup_cpu(void *, u64); 634 void ft_fixup_num_cores(void *); 635 # endif 636 #endif 637 #if defined(CONFIG_MPC86xx) 638 typedef MPC86xx_SYS_INFO sys_info_t; 639 void get_sys_info ( sys_info_t * ); 640 static inline ulong get_ddr_freq(ulong dummy) 641 { 642 return get_bus_freq(dummy); 643 } 644 #else 645 ulong get_ddr_freq(ulong); 646 #endif 647 648 #if defined(CONFIG_4xx) 649 # if defined(CONFIG_440) 650 # if defined(CONFIG_440SPE) 651 unsigned long determine_sysper(void); 652 unsigned long determine_pci_clock_per(void); 653 # endif 654 # endif 655 typedef PPC4xx_SYS_INFO sys_info_t; 656 int ppc440spe_revB(void); 657 void get_sys_info ( sys_info_t * ); 658 #endif 659 660 /* $(CPU)/cpu_init.c */ 661 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 662 void cpu_init_f (volatile immap_t *immr); 663 #endif 664 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 665 void cpu_init_f (void); 666 #endif 667 #ifdef CONFIG_MPC85xx 668 ulong cpu_init_f(void); 669 #endif 670 671 int cpu_init_r (void); 672 #if defined(CONFIG_MPC8260) 673 int prt_8260_rsr (void); 674 #elif defined(CONFIG_MPC83xx) 675 int prt_83xx_rsr (void); 676 #endif 677 678 /* $(CPU)/interrupts.c */ 679 int interrupt_init (void); 680 void timer_interrupt (struct pt_regs *); 681 void external_interrupt (struct pt_regs *); 682 void irq_install_handler(int, interrupt_handler_t *, void *); 683 void irq_free_handler (int); 684 void reset_timer (void); 685 ulong get_timer (ulong base); 686 687 /* Return value of monotonic microsecond timer */ 688 unsigned long timer_get_us(void); 689 690 void enable_interrupts (void); 691 int disable_interrupts (void); 692 693 /* $(CPU)/.../commproc.c */ 694 int dpram_init (void); 695 uint dpram_base(void); 696 uint dpram_base_align(uint align); 697 uint dpram_alloc(uint size); 698 uint dpram_alloc_align(uint size,uint align); 699 void bootcount_store (ulong); 700 ulong bootcount_load (void); 701 #define BOOTCOUNT_MAGIC 0xB001C041 702 703 /* $(CPU)/.../<eth> */ 704 void mii_init (void); 705 706 /* $(CPU)/.../lcd.c */ 707 ulong lcd_setmem (ulong); 708 709 /* $(CPU)/.../video.c */ 710 ulong video_setmem (ulong); 711 712 /* arch/$(ARCH)/lib/cache.c */ 713 void enable_caches(void); 714 void flush_cache (unsigned long, unsigned long); 715 void flush_dcache_all(void); 716 void flush_dcache_range(unsigned long start, unsigned long stop); 717 void invalidate_dcache_range(unsigned long start, unsigned long stop); 718 void invalidate_dcache_all(void); 719 void invalidate_icache_all(void); 720 721 /* arch/$(ARCH)/lib/ticks.S */ 722 uint64_t get_ticks(void); 723 void wait_ticks (unsigned long); 724 725 /* arch/$(ARCH)/lib/time.c */ 726 void __udelay (unsigned long); 727 ulong usec2ticks (unsigned long usec); 728 ulong ticks2usec (unsigned long ticks); 729 int init_timebase (void); 730 731 /* lib/gunzip.c */ 732 int gunzip(void *, int, unsigned char *, unsigned long *); 733 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 734 int stoponerr, int offset); 735 736 /* lib/qsort.c */ 737 void qsort(void *base, size_t nmemb, size_t size, 738 int(*compar)(const void *, const void *)); 739 int strcmp_compar(const void *, const void *); 740 741 /* lib/time.c */ 742 void udelay (unsigned long); 743 void mdelay(unsigned long); 744 745 /* lib/uuid.c */ 746 #include <uuid.h> 747 748 /* lib/vsprintf.c */ 749 #include <vsprintf.h> 750 751 /* lib/strmhz.c */ 752 char * strmhz(char *buf, unsigned long hz); 753 754 /* lib/crc32.c */ 755 #include <u-boot/crc.h> 756 757 /* lib/rand.c */ 758 #define RAND_MAX -1U 759 void srand(unsigned int seed); 760 unsigned int rand(void); 761 unsigned int rand_r(unsigned int *seedp); 762 763 /* common/console.c */ 764 int console_init_f(void); /* Before relocation; uses the serial stuff */ 765 int console_init_r(void); /* After relocation; uses the console stuff */ 766 int console_assign(int file, const char *devname); /* Assign the console */ 767 int ctrlc (void); 768 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 769 void clear_ctrlc (void); /* clear the Control-C condition */ 770 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 771 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 772 /* 773 * STDIO based functions (can always be used) 774 */ 775 /* serial stuff */ 776 int serial_printf (const char *fmt, ...) 777 __attribute__ ((format (__printf__, 1, 2))); 778 /* stdin */ 779 int getc(void); 780 int tstc(void); 781 782 /* stdout */ 783 void putc(const char c); 784 void puts(const char *s); 785 int printf(const char *fmt, ...) 786 __attribute__ ((format (__printf__, 1, 2))); 787 int vprintf(const char *fmt, va_list args); 788 789 /* stderr */ 790 #define eputc(c) fputc(stderr, c) 791 #define eputs(s) fputs(stderr, s) 792 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 793 794 /* 795 * FILE based functions (can only be used AFTER relocation!) 796 */ 797 #define stdin 0 798 #define stdout 1 799 #define stderr 2 800 #define MAX_FILES 3 801 802 int fprintf(int file, const char *fmt, ...) 803 __attribute__ ((format (__printf__, 2, 3))); 804 void fputs(int file, const char *s); 805 void fputc(int file, const char c); 806 int ftstc(int file); 807 int fgetc(int file); 808 809 /* lib/gzip.c */ 810 int gzip(void *dst, unsigned long *lenp, 811 unsigned char *src, unsigned long srclen); 812 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 813 unsigned long srclen, int stoponerr, 814 int (*func)(unsigned long, unsigned long)); 815 816 /* lib/net_utils.c */ 817 #include <net.h> 818 static inline IPaddr_t getenv_IPaddr(char *var) 819 { 820 return string_to_ip(getenv(var)); 821 } 822 823 /* 824 * CONSOLE multiplexing. 825 */ 826 #ifdef CONFIG_CONSOLE_MUX 827 #include <iomux.h> 828 #endif 829 830 int pcmcia_init (void); 831 832 #ifdef CONFIG_STATUS_LED 833 # include <status_led.h> 834 #endif 835 836 #include <bootstage.h> 837 838 #ifdef CONFIG_SHOW_ACTIVITY 839 void show_activity(int arg); 840 #endif 841 842 /* Multicore arch functions */ 843 #ifdef CONFIG_MP 844 int cpu_status(int nr); 845 int cpu_reset(int nr); 846 int cpu_disable(int nr); 847 int cpu_release(int nr, int argc, char * const argv[]); 848 #endif 849 850 /* Define a null map_sysmem() if the architecture doesn't use it */ 851 # ifndef CONFIG_ARCH_MAP_SYSMEM 852 static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) 853 { 854 return (void *)(uintptr_t)paddr; 855 } 856 857 static inline void unmap_sysmem(const void *vaddr) 858 { 859 } 860 861 static inline phys_addr_t map_to_sysmem(const void *ptr) 862 { 863 return (phys_addr_t)(uintptr_t)ptr; 864 } 865 # endif 866 867 #endif /* __ASSEMBLY__ */ 868 869 #ifdef CONFIG_PPC 870 /* 871 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 872 * Otherwise might lead to compilation errors in assembler files. 873 */ 874 #include <asm/cache.h> 875 #endif 876 877 /* Put only stuff here that the assembler can digest */ 878 879 #ifdef CONFIG_POST 880 #define CONFIG_HAS_POST 881 #ifndef CONFIG_POST_ALT_LIST 882 #define CONFIG_POST_STD_LIST 883 #endif 884 #endif 885 886 #ifdef CONFIG_INIT_CRITICAL 887 #error CONFIG_INIT_CRITICAL is deprecated! 888 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 889 #endif 890 891 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 892 893 /* 894 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 895 * is used to align DMA buffers. 896 */ 897 #ifndef __ASSEMBLY__ 898 #include <asm/cache.h> 899 #endif 900 901 /* 902 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 903 * stack that meets the minimum architecture alignment requirements for DMA. 904 * Such a buffer is useful for DMA operations where flushing and invalidating 905 * the cache before and after a read and/or write operation is required for 906 * correct operations. 907 * 908 * When called the macro creates an array on the stack that is sized such 909 * that: 910 * 911 * 1) The beginning of the array can be advanced enough to be aligned. 912 * 913 * 2) The size of the aligned portion of the array is a multiple of the minimum 914 * architecture alignment required for DMA. 915 * 916 * 3) The aligned portion contains enough space for the original number of 917 * elements requested. 918 * 919 * The macro then creates a pointer to the aligned portion of this array and 920 * assigns to the pointer the address of the first element in the aligned 921 * portion of the array. 922 * 923 * Calling the macro as: 924 * 925 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 926 * 927 * Will result in something similar to saying: 928 * 929 * uint32_t buffer[1024]; 930 * 931 * The following differences exist: 932 * 933 * 1) The resulting buffer is guaranteed to be aligned to the value of 934 * ARCH_DMA_MINALIGN. 935 * 936 * 2) The buffer variable created by the macro is a pointer to the specified 937 * type, and NOT an array of the specified type. This can be very important 938 * if you want the address of the buffer, which you probably do, to pass it 939 * to the DMA hardware. The value of &buffer is different in the two cases. 940 * In the macro case it will be the address of the pointer, not the address 941 * of the space reserved for the buffer. However, in the second case it 942 * would be the address of the buffer. So if you are replacing hard coded 943 * stack buffers with this macro you need to make sure you remove the & from 944 * the locations where you are taking the address of the buffer. 945 * 946 * Note that the size parameter is the number of array elements to allocate, 947 * not the number of bytes. 948 * 949 * This macro can not be used outside of function scope, or for the creation 950 * of a function scoped static buffer. It can not be used to create a cache 951 * line aligned global buffer. 952 */ 953 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 954 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 955 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 956 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 957 + (align - 1)]; \ 958 \ 959 type *name = (type *) ALIGN((uintptr_t)__##name, align) 960 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 961 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 962 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 963 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 964 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 965 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 966 967 /* 968 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 969 * purpose is to allow allocating aligned buffers outside of function scope. 970 * Usage of this macro shall be avoided or used with extreme care! 971 */ 972 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 973 static char __##name[ALIGN(size * sizeof(type), align)] \ 974 __aligned(align); \ 975 \ 976 static type *name = (type *)__##name 977 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 978 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 979 980 /* Pull in stuff for the build system */ 981 #ifdef DO_DEPS_ONLY 982 # include <environment.h> 983 #endif 984 985 #endif /* __COMMON_H_ */ 986