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); 195 196 #include <display_options.h> 197 198 /* common/main.c */ 199 void main_loop (void); 200 int run_command(const char *cmd, int flag); 201 int run_command_repeatable(const char *cmd, int flag); 202 203 /** 204 * Run a list of commands separated by ; or even \0 205 * 206 * Note that if 'len' is not -1, then the command does not need to be nul 207 * terminated, Memory will be allocated for the command in that case. 208 * 209 * @param cmd List of commands to run, each separated bu semicolon 210 * @param len Length of commands excluding terminator if known (-1 if not) 211 * @param flag Execution flags (CMD_FLAG_...) 212 * @return 0 on success, or != 0 on error. 213 */ 214 int run_command_list(const char *cmd, int len, int flag); 215 extern char console_buffer[]; 216 217 /* arch/$(ARCH)/lib/board.c */ 218 void board_init_f(ulong); 219 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn)); 220 int checkboard(void); 221 int show_board_info(void); 222 int checkflash(void); 223 int checkdram(void); 224 int last_stage_init(void); 225 extern ulong monitor_flash_len; 226 int mac_read_from_eeprom(void); 227 extern u8 __dtb_dt_begin[]; /* embedded device tree blob */ 228 int set_cpu_clk_info(void); 229 int mdm_init(void); 230 #if defined(CONFIG_DISPLAY_CPUINFO) 231 int print_cpuinfo(void); 232 #else 233 static inline int print_cpuinfo(void) 234 { 235 return 0; 236 } 237 #endif 238 int update_flash_size(int flash_size); 239 int arch_early_init_r(void); 240 241 /** 242 * arch_cpu_init_dm() - init CPU after driver model is available 243 * 244 * This is called immediately after driver model is available before 245 * relocation. This is similar to arch_cpu_init() but is able to reference 246 * devices 247 * 248 * @return 0 if OK, -ve on error 249 */ 250 int arch_cpu_init_dm(void); 251 252 /** 253 * Reserve all necessary stacks 254 * 255 * This is used in generic board init sequence in common/board_f.c. Each 256 * architecture could provide this function to tailor the required stacks. 257 * 258 * On entry gd->start_addr_sp is pointing to the suggested top of the stack. 259 * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures 260 * require only this can leave it untouched. 261 * 262 * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective 263 * positions of the stack. The stack pointer(s) will be set to this later. 264 * gd->irq_sp is only required, if the architecture needs it. 265 * 266 * @return 0 if no error 267 */ 268 __weak int arch_reserve_stacks(void); 269 270 /** 271 * Show the DRAM size in a board-specific way 272 * 273 * This is used by boards to display DRAM information in their own way. 274 * 275 * @param size Size of DRAM (which should be displayed along with other info) 276 */ 277 void board_show_dram(phys_size_t size); 278 279 /** 280 * arch_fixup_fdt() - Write arch-specific information to fdt 281 * 282 * Defined in arch/$(ARCH)/lib/bootm-fdt.c 283 * 284 * @blob: FDT blob to write to 285 * @return 0 if ok, or -ve FDT_ERR_... on failure 286 */ 287 int arch_fixup_fdt(void *blob); 288 289 /* common/flash.c */ 290 void flash_perror (int); 291 292 /* common/cmd_source.c */ 293 int source (ulong addr, const char *fit_uname); 294 295 extern ulong load_addr; /* Default Load Address */ 296 extern ulong save_addr; /* Default Save Address */ 297 extern ulong save_size; /* Default Save Size */ 298 299 /* common/cmd_doc.c */ 300 void doc_probe(unsigned long physadr); 301 302 /* common/cmd_net.c */ 303 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 304 305 /* common/cmd_fat.c */ 306 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []); 307 308 /* common/cmd_ext2.c */ 309 int do_ext2load(cmd_tbl_t *, int, int, char * const []); 310 311 /* common/cmd_nvedit.c */ 312 int env_init (void); 313 void env_relocate (void); 314 int envmatch (uchar *, int); 315 316 /* Avoid unfortunate conflict with libc's getenv() */ 317 #ifdef CONFIG_SANDBOX 318 #define getenv uboot_getenv 319 #endif 320 char *getenv (const char *); 321 int getenv_f (const char *name, char *buf, unsigned len); 322 ulong getenv_ulong(const char *name, int base, ulong default_val); 323 324 /** 325 * getenv_hex() - Return an environment variable as a hex value 326 * 327 * Decode an environment as a hex number (it may or may not have a 0x 328 * prefix). If the environment variable cannot be found, or does not start 329 * with hex digits, the default value is returned. 330 * 331 * @varname: Variable to decode 332 * @default_val: Value to return on error 333 */ 334 ulong getenv_hex(const char *varname, ulong default_val); 335 336 /* 337 * Read an environment variable as a boolean 338 * Return -1 if variable does not exist (default to true) 339 */ 340 int getenv_yesno(const char *var); 341 int saveenv (void); 342 int setenv (const char *, const char *); 343 int setenv_ulong(const char *varname, ulong value); 344 int setenv_hex(const char *varname, ulong value); 345 /** 346 * setenv_addr - Set an environment variable to an address in hex 347 * 348 * @varname: Environment variable to set 349 * @addr: Value to set it to 350 * @return 0 if ok, 1 on error 351 */ 352 static inline int setenv_addr(const char *varname, const void *addr) 353 { 354 return setenv_hex(varname, (ulong)addr); 355 } 356 357 #ifdef CONFIG_ARM 358 # include <asm/mach-types.h> 359 # include <asm/setup.h> 360 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 361 #endif /* CONFIG_ARM */ 362 #ifdef CONFIG_X86 /* x86 version to be fixed! */ 363 # include <asm/u-boot-x86.h> 364 #endif /* CONFIG_X86 */ 365 #ifdef CONFIG_SANDBOX 366 # include <asm/u-boot-sandbox.h> /* TODO(sjg) what needs to be fixed? */ 367 #endif 368 #ifdef CONFIG_NDS32 369 # include <asm/mach-types.h> 370 # include <asm/setup.h> 371 # include <asm/u-boot-nds32.h> 372 #endif /* CONFIG_NDS32 */ 373 #ifdef CONFIG_MIPS 374 # include <asm/u-boot-mips.h> 375 #endif /* CONFIG_MIPS */ 376 #ifdef CONFIG_ARC 377 # include <asm/u-boot-arc.h> 378 #endif /* CONFIG_ARC */ 379 380 #ifdef CONFIG_AUTO_COMPLETE 381 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); 382 #endif 383 int get_env_id (void); 384 385 void pci_init (void); 386 void pci_init_board(void); 387 void pciinfo (int, int); 388 389 #if defined(CONFIG_PCI) && defined(CONFIG_4xx) 390 int pci_pre_init (struct pci_controller *); 391 int is_pci_host (struct pci_controller *); 392 #endif 393 394 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX)) 395 # if defined(CONFIG_SYS_PCI_TARGET_INIT) 396 void pci_target_init (struct pci_controller *); 397 # endif 398 # if defined(CONFIG_SYS_PCI_MASTER_INIT) 399 void pci_master_init (struct pci_controller *); 400 # endif 401 #if defined(CONFIG_440SPE) || \ 402 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ 403 defined(CONFIG_405EX) 404 void pcie_setup_hoses(int busno); 405 #endif 406 #endif 407 408 int misc_init_f (void); 409 int misc_init_r (void); 410 411 /* common/exports.c */ 412 void jumptable_init(void); 413 414 /* common/kallsysm.c */ 415 const char *symbol_lookup(unsigned long addr, unsigned long *caddr); 416 417 /* api/api.c */ 418 void api_init (void); 419 420 /* common/memsize.c */ 421 long get_ram_size (long *, long); 422 phys_size_t get_effective_memsize(void); 423 424 /* $(BOARD)/$(BOARD).c */ 425 void reset_phy (void); 426 void fdc_hw_init (void); 427 428 /* $(BOARD)/eeprom.c */ 429 void eeprom_init (void); 430 #ifndef CONFIG_SPI 431 int eeprom_probe (unsigned dev_addr, unsigned offset); 432 #endif 433 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 434 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 435 436 /* 437 * Set this up regardless of board 438 * type, to prevent errors. 439 */ 440 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) 441 # define CONFIG_SYS_DEF_EEPROM_ADDR 0 442 #else 443 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) 444 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR 445 #endif 446 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */ 447 448 #if defined(CONFIG_SPI) 449 extern void spi_init_f (void); 450 extern void spi_init_r (void); 451 extern ssize_t spi_read (uchar *, int, uchar *, int); 452 extern ssize_t spi_write (uchar *, int, uchar *, int); 453 #endif 454 455 /* $(BOARD)/$(BOARD).c */ 456 int board_early_init_f (void); 457 int board_late_init (void); 458 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 459 int board_early_init_r (void); 460 void board_poweroff (void); 461 462 #if defined(CONFIG_SYS_DRAM_TEST) 463 int testdram(void); 464 #endif /* CONFIG_SYS_DRAM_TEST */ 465 466 /* $(CPU)/start.S */ 467 #if defined(CONFIG_5xx) || \ 468 defined(CONFIG_8xx) 469 uint get_immr (uint); 470 #endif 471 #if defined(CONFIG_MPC5xxx) 472 uint get_svr (void); 473 #endif 474 uint get_pvr (void); 475 uint get_svr (void); 476 uint rd_ic_cst (void); 477 void wr_ic_cst (uint); 478 void wr_ic_adr (uint); 479 uint rd_dc_cst (void); 480 void wr_dc_cst (uint); 481 void wr_dc_adr (uint); 482 int icache_status (void); 483 void icache_enable (void); 484 void icache_disable(void); 485 int dcache_status (void); 486 void dcache_enable (void); 487 void dcache_disable(void); 488 void mmu_disable(void); 489 #if defined(CONFIG_ARM) 490 void relocate_code(ulong); 491 #else 492 void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn)); 493 #endif 494 ulong get_endaddr (void); 495 void trap_init (ulong); 496 #if defined (CONFIG_4xx) || \ 497 defined (CONFIG_MPC5xxx) || \ 498 defined (CONFIG_MPC85xx) || \ 499 defined (CONFIG_MPC86xx) || \ 500 defined (CONFIG_MPC83xx) 501 unsigned char in8(unsigned int); 502 void out8(unsigned int, unsigned char); 503 unsigned short in16(unsigned int); 504 unsigned short in16r(unsigned int); 505 void out16(unsigned int, unsigned short value); 506 void out16r(unsigned int, unsigned short value); 507 unsigned long in32(unsigned int); 508 unsigned long in32r(unsigned int); 509 void out32(unsigned int, unsigned long value); 510 void out32r(unsigned int, unsigned long value); 511 void ppcDcbf(unsigned long value); 512 void ppcDcbi(unsigned long value); 513 void ppcSync(void); 514 void ppcDcbz(unsigned long value); 515 #endif 516 #if defined (CONFIG_MICROBLAZE) 517 unsigned short in16(unsigned int); 518 void out16(unsigned int, unsigned short value); 519 #endif 520 521 #if defined (CONFIG_MPC83xx) 522 void ppcDWload(unsigned int *addr, unsigned int *ret); 523 void ppcDWstore(unsigned int *addr, unsigned int *value); 524 void disable_addr_trans(void); 525 void enable_addr_trans(void); 526 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) 527 void ddr_enable_ecc(unsigned int dram_size); 528 #endif 529 #endif 530 531 /* 532 * Return the current value of a monotonically increasing microsecond timer. 533 * Granularity may be larger than 1us if hardware does not support this. 534 */ 535 ulong timer_get_us(void); 536 537 /* $(CPU)/cpu.c */ 538 static inline int cpumask_next(int cpu, unsigned int mask) 539 { 540 for (cpu++; !((1 << cpu) & mask); cpu++) 541 ; 542 543 return cpu; 544 } 545 546 #define for_each_cpu(iter, cpu, num_cpus, mask) \ 547 for (iter = 0, cpu = cpumask_next(-1, mask); \ 548 iter < num_cpus; \ 549 iter++, cpu = cpumask_next(cpu, mask)) \ 550 551 int cpu_numcores (void); 552 int cpu_num_dspcores(void); 553 u32 cpu_mask (void); 554 u32 cpu_dsp_mask(void); 555 int is_core_valid (unsigned int); 556 int probecpu (void); 557 int checkcpu (void); 558 int checkicache (void); 559 int checkdcache (void); 560 void upmconfig (unsigned int, unsigned int *, unsigned int); 561 ulong get_tbclk (void); 562 void reset_misc (void); 563 void reset_cpu (ulong addr); 564 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) 565 void ft_cpu_setup(void *blob, bd_t *bd); 566 #ifdef CONFIG_PCI 567 void ft_pci_setup(void *blob, bd_t *bd); 568 #endif 569 #endif 570 571 void smp_set_core_boot_addr(unsigned long addr, int corenr); 572 void smp_kick_all_cpus(void); 573 574 /* $(CPU)/serial.c */ 575 int serial_init (void); 576 void serial_setbrg (void); 577 void serial_putc (const char); 578 void serial_putc_raw(const char); 579 void serial_puts (const char *); 580 int serial_getc (void); 581 int serial_tstc (void); 582 583 /* These versions take a stdio_dev pointer */ 584 struct stdio_dev; 585 int serial_stub_getc(struct stdio_dev *sdev); 586 int serial_stub_tstc(struct stdio_dev *sdev); 587 588 /* $(CPU)/speed.c */ 589 int get_clocks (void); 590 int get_clocks_866 (void); 591 int sdram_adjust_866 (void); 592 int adjust_sdram_tbs_8xx (void); 593 #if defined(CONFIG_MPC8260) 594 int prt_8260_clks (void); 595 #elif defined(CONFIG_MPC5xxx) 596 int prt_mpc5xxx_clks (void); 597 #endif 598 #ifdef CONFIG_4xx 599 ulong get_OPB_freq (void); 600 ulong get_PCI_freq (void); 601 #endif 602 #if defined(CONFIG_S3C24X0) || \ 603 defined(CONFIG_LH7A40X) || \ 604 defined(CONFIG_EP93XX) 605 ulong get_FCLK (void); 606 ulong get_HCLK (void); 607 ulong get_PCLK (void); 608 ulong get_UCLK (void); 609 #endif 610 #if defined(CONFIG_LH7A40X) 611 ulong get_PLLCLK (void); 612 #endif 613 #if defined(CONFIG_IMX) 614 ulong get_systemPLLCLK(void); 615 ulong get_FCLK(void); 616 ulong get_HCLK(void); 617 ulong get_BCLK(void); 618 ulong get_PERCLK1(void); 619 ulong get_PERCLK2(void); 620 ulong get_PERCLK3(void); 621 #endif 622 ulong get_bus_freq (ulong); 623 int get_serial_clock(void); 624 625 #if defined(CONFIG_MPC85xx) 626 typedef MPC85xx_SYS_INFO sys_info_t; 627 void get_sys_info ( sys_info_t * ); 628 # if defined(CONFIG_OF_LIBFDT) 629 void ft_fixup_cpu(void *, u64); 630 void ft_fixup_num_cores(void *); 631 # endif 632 #endif 633 #if defined(CONFIG_MPC86xx) 634 typedef MPC86xx_SYS_INFO sys_info_t; 635 void get_sys_info ( sys_info_t * ); 636 static inline ulong get_ddr_freq(ulong dummy) 637 { 638 return get_bus_freq(dummy); 639 } 640 #else 641 ulong get_ddr_freq(ulong); 642 #endif 643 644 #if defined(CONFIG_4xx) 645 # if defined(CONFIG_440) 646 # if defined(CONFIG_440SPE) 647 unsigned long determine_sysper(void); 648 unsigned long determine_pci_clock_per(void); 649 # endif 650 # endif 651 typedef PPC4xx_SYS_INFO sys_info_t; 652 int ppc440spe_revB(void); 653 void get_sys_info ( sys_info_t * ); 654 #endif 655 656 /* $(CPU)/cpu_init.c */ 657 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) 658 void cpu_init_f (volatile immap_t *immr); 659 #endif 660 #if defined(CONFIG_4xx) || defined(CONFIG_MCF52x2) || defined(CONFIG_MPC86xx) 661 void cpu_init_f (void); 662 #endif 663 #ifdef CONFIG_MPC85xx 664 ulong cpu_init_f(void); 665 #endif 666 667 int cpu_init_r (void); 668 #if defined(CONFIG_MPC8260) 669 int prt_8260_rsr (void); 670 #elif defined(CONFIG_MPC83xx) 671 int prt_83xx_rsr (void); 672 #endif 673 674 /* $(CPU)/interrupts.c */ 675 int interrupt_init (void); 676 void timer_interrupt (struct pt_regs *); 677 void external_interrupt (struct pt_regs *); 678 void irq_install_handler(int, interrupt_handler_t *, void *); 679 void irq_free_handler (int); 680 void reset_timer (void); 681 ulong get_timer (ulong base); 682 683 /* Return value of monotonic microsecond timer */ 684 unsigned long timer_get_us(void); 685 686 void enable_interrupts (void); 687 int disable_interrupts (void); 688 689 /* $(CPU)/.../commproc.c */ 690 int dpram_init (void); 691 uint dpram_base(void); 692 uint dpram_base_align(uint align); 693 uint dpram_alloc(uint size); 694 uint dpram_alloc_align(uint size,uint align); 695 void bootcount_store (ulong); 696 ulong bootcount_load (void); 697 #define BOOTCOUNT_MAGIC 0xB001C041 698 699 /* $(CPU)/.../<eth> */ 700 void mii_init (void); 701 702 /* $(CPU)/.../lcd.c */ 703 ulong lcd_setmem (ulong); 704 705 /* $(CPU)/.../video.c */ 706 ulong video_setmem (ulong); 707 708 /* arch/$(ARCH)/lib/cache.c */ 709 void enable_caches(void); 710 void flush_cache (unsigned long, unsigned long); 711 void flush_dcache_all(void); 712 void flush_dcache_range(unsigned long start, unsigned long stop); 713 void invalidate_dcache_range(unsigned long start, unsigned long stop); 714 void invalidate_dcache_all(void); 715 void invalidate_icache_all(void); 716 717 enum { 718 /* Disable caches (else flush caches but leave them active) */ 719 CBL_DISABLE_CACHES = 1 << 0, 720 CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1, 721 722 CBL_ALL = 3, 723 }; 724 725 /** 726 * Clean up ready for linux 727 * 728 * @param flags Flags to control what is done 729 */ 730 int cleanup_before_linux_select(int flags); 731 732 /* arch/$(ARCH)/lib/ticks.S */ 733 uint64_t get_ticks(void); 734 void wait_ticks (unsigned long); 735 736 /* arch/$(ARCH)/lib/time.c */ 737 void __udelay (unsigned long); 738 ulong usec2ticks (unsigned long usec); 739 ulong ticks2usec (unsigned long ticks); 740 int init_timebase (void); 741 742 /* lib/gunzip.c */ 743 int gunzip(void *, int, unsigned char *, unsigned long *); 744 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp, 745 int stoponerr, int offset); 746 747 /** 748 * gzwrite progress indicators: defined weak to allow board-specific 749 * overrides: 750 * 751 * gzwrite_progress_init called on startup 752 * gzwrite_progress called during decompress/write loop 753 * gzwrite_progress_finish called at end of loop to 754 * indicate success (retcode=0) or failure 755 */ 756 void gzwrite_progress_init(u64 expected_size); 757 758 void gzwrite_progress(int iteration, 759 u64 bytes_written, 760 u64 total_bytes); 761 762 void gzwrite_progress_finish(int retcode, 763 u64 totalwritten, 764 u64 totalsize, 765 u32 expected_crc, 766 u32 calculated_crc); 767 768 /** 769 * decompress and write gzipped image from memory to block device 770 * 771 * @param src compressed image address 772 * @param len compressed image length in bytes 773 * @param dev block device descriptor 774 * @param szwritebuf bytes per write (pad to erase size) 775 * @param startoffs offset in bytes of first write 776 * @param szexpected expected uncompressed length 777 * may be zero to use gzip trailer 778 * for files under 4GiB 779 */ 780 int gzwrite(unsigned char *src, int len, 781 struct block_dev_desc *dev, 782 unsigned long szwritebuf, 783 u64 startoffs, 784 u64 szexpected); 785 786 /* lib/qsort.c */ 787 void qsort(void *base, size_t nmemb, size_t size, 788 int(*compar)(const void *, const void *)); 789 int strcmp_compar(const void *, const void *); 790 791 /* lib/time.c */ 792 void udelay (unsigned long); 793 void mdelay(unsigned long); 794 795 /* lib/uuid.c */ 796 #include <uuid.h> 797 798 /* lib/vsprintf.c */ 799 #include <vsprintf.h> 800 801 /* lib/strmhz.c */ 802 char * strmhz(char *buf, unsigned long hz); 803 804 /* lib/crc32.c */ 805 #include <u-boot/crc.h> 806 807 /* lib/rand.c */ 808 #define RAND_MAX -1U 809 void srand(unsigned int seed); 810 unsigned int rand(void); 811 unsigned int rand_r(unsigned int *seedp); 812 813 /* common/console.c */ 814 int console_init_f(void); /* Before relocation; uses the serial stuff */ 815 int console_init_r(void); /* After relocation; uses the console stuff */ 816 int console_assign(int file, const char *devname); /* Assign the console */ 817 int ctrlc (void); 818 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 819 void clear_ctrlc (void); /* clear the Control-C condition */ 820 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 821 int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ 822 /* 823 * STDIO based functions (can always be used) 824 */ 825 /* serial stuff */ 826 int serial_printf (const char *fmt, ...) 827 __attribute__ ((format (__printf__, 1, 2))); 828 /* stdin */ 829 int getc(void); 830 int tstc(void); 831 832 /* stdout */ 833 void putc(const char c); 834 void puts(const char *s); 835 int printf(const char *fmt, ...) 836 __attribute__ ((format (__printf__, 1, 2))); 837 int vprintf(const char *fmt, va_list args); 838 839 /* stderr */ 840 #define eputc(c) fputc(stderr, c) 841 #define eputs(s) fputs(stderr, s) 842 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 843 844 /* 845 * FILE based functions (can only be used AFTER relocation!) 846 */ 847 #define stdin 0 848 #define stdout 1 849 #define stderr 2 850 #define MAX_FILES 3 851 852 int fprintf(int file, const char *fmt, ...) 853 __attribute__ ((format (__printf__, 2, 3))); 854 void fputs(int file, const char *s); 855 void fputc(int file, const char c); 856 int ftstc(int file); 857 int fgetc(int file); 858 859 /* lib/gzip.c */ 860 int gzip(void *dst, unsigned long *lenp, 861 unsigned char *src, unsigned long srclen); 862 int zzip(void *dst, unsigned long *lenp, unsigned char *src, 863 unsigned long srclen, int stoponerr, 864 int (*func)(unsigned long, unsigned long)); 865 866 /* lib/net_utils.c */ 867 #include <net.h> 868 static inline struct in_addr getenv_ip(char *var) 869 { 870 return string_to_ip(getenv(var)); 871 } 872 873 /* 874 * CONSOLE multiplexing. 875 */ 876 #ifdef CONFIG_CONSOLE_MUX 877 #include <iomux.h> 878 #endif 879 880 int pcmcia_init (void); 881 882 #ifdef CONFIG_STATUS_LED 883 # include <status_led.h> 884 #endif 885 886 #include <bootstage.h> 887 888 #ifdef CONFIG_SHOW_ACTIVITY 889 void show_activity(int arg); 890 #endif 891 892 /* Multicore arch functions */ 893 #ifdef CONFIG_MP 894 int cpu_status(int nr); 895 int cpu_reset(int nr); 896 int cpu_disable(int nr); 897 int cpu_release(int nr, int argc, char * const argv[]); 898 #endif 899 900 #endif /* __ASSEMBLY__ */ 901 902 #ifdef CONFIG_PPC 903 /* 904 * Has to be included outside of the #ifndef __ASSEMBLY__ section. 905 * Otherwise might lead to compilation errors in assembler files. 906 */ 907 #include <asm/cache.h> 908 #endif 909 910 /* Put only stuff here that the assembler can digest */ 911 912 #ifdef CONFIG_POST 913 #define CONFIG_HAS_POST 914 #ifndef CONFIG_POST_ALT_LIST 915 #define CONFIG_POST_STD_LIST 916 #endif 917 #endif 918 919 #ifdef CONFIG_INIT_CRITICAL 920 #error CONFIG_INIT_CRITICAL is deprecated! 921 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README. 922 #endif 923 924 #define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) 925 926 /* 927 * ARCH_DMA_MINALIGN is defined in asm/cache.h for each architecture. It 928 * is used to align DMA buffers. 929 */ 930 #ifndef __ASSEMBLY__ 931 #include <asm/cache.h> 932 #endif 933 934 /* 935 * The ALLOC_CACHE_ALIGN_BUFFER macro is used to allocate a buffer on the 936 * stack that meets the minimum architecture alignment requirements for DMA. 937 * Such a buffer is useful for DMA operations where flushing and invalidating 938 * the cache before and after a read and/or write operation is required for 939 * correct operations. 940 * 941 * When called the macro creates an array on the stack that is sized such 942 * that: 943 * 944 * 1) The beginning of the array can be advanced enough to be aligned. 945 * 946 * 2) The size of the aligned portion of the array is a multiple of the minimum 947 * architecture alignment required for DMA. 948 * 949 * 3) The aligned portion contains enough space for the original number of 950 * elements requested. 951 * 952 * The macro then creates a pointer to the aligned portion of this array and 953 * assigns to the pointer the address of the first element in the aligned 954 * portion of the array. 955 * 956 * Calling the macro as: 957 * 958 * ALLOC_CACHE_ALIGN_BUFFER(uint32_t, buffer, 1024); 959 * 960 * Will result in something similar to saying: 961 * 962 * uint32_t buffer[1024]; 963 * 964 * The following differences exist: 965 * 966 * 1) The resulting buffer is guaranteed to be aligned to the value of 967 * ARCH_DMA_MINALIGN. 968 * 969 * 2) The buffer variable created by the macro is a pointer to the specified 970 * type, and NOT an array of the specified type. This can be very important 971 * if you want the address of the buffer, which you probably do, to pass it 972 * to the DMA hardware. The value of &buffer is different in the two cases. 973 * In the macro case it will be the address of the pointer, not the address 974 * of the space reserved for the buffer. However, in the second case it 975 * would be the address of the buffer. So if you are replacing hard coded 976 * stack buffers with this macro you need to make sure you remove the & from 977 * the locations where you are taking the address of the buffer. 978 * 979 * Note that the size parameter is the number of array elements to allocate, 980 * not the number of bytes. 981 * 982 * This macro can not be used outside of function scope, or for the creation 983 * of a function scoped static buffer. It can not be used to create a cache 984 * line aligned global buffer. 985 */ 986 #define PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) 987 #define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad) 988 #define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ 989 char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) \ 990 + (align - 1)]; \ 991 \ 992 type *name = (type *) ALIGN((uintptr_t)__##name, align) 993 #define ALLOC_ALIGN_BUFFER(type, name, size, align) \ 994 ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) 995 #define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ 996 ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad) 997 #define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ 998 ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 999 1000 /* 1001 * DEFINE_CACHE_ALIGN_BUFFER() is similar to ALLOC_CACHE_ALIGN_BUFFER, but it's 1002 * purpose is to allow allocating aligned buffers outside of function scope. 1003 * Usage of this macro shall be avoided or used with extreme care! 1004 */ 1005 #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ 1006 static char __##name[ALIGN(size * sizeof(type), align)] \ 1007 __aligned(align); \ 1008 \ 1009 static type *name = (type *)__##name 1010 #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ 1011 DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) 1012 1013 /* Pull in stuff for the build system */ 1014 #ifdef DO_DEPS_ONLY 1015 # include <environment.h> 1016 #endif 1017 1018 #endif /* __COMMON_H_ */ 1019