2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #undef _LINUX_CONFIG_H
28 #define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
30 #ifndef __ASSEMBLY__ /* put C only stuff in this section */
32 typedef unsigned char uchar;
33 typedef volatile unsigned long vu_long;
34 typedef volatile unsigned short vu_short;
35 typedef volatile unsigned char vu_char;
38 #include <linux/bitops.h>
39 #include <linux/types.h>
40 #include <linux/string.h>
41 #include <asm/ptrace.h>
43 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000))
46 #if defined(CONFIG_8xx)
47 #include <asm/8xx_immap.h>
48 #if defined(CONFIG_MPC852) || defined(CONFIG_MPC852T) || \
49 defined(CONFIG_MPC859) || defined(CONFIG_MPC859T) || \
50 defined(CONFIG_MPC859DSL) || \
51 defined(CONFIG_MPC866) || defined(CONFIG_MPC866T) || \
52 defined(CONFIG_MPC866P)
53 # define CONFIG_MPC866_FAMILY 1
54 #elif defined(CONFIG_MPC870) \
55 || defined(CONFIG_MPC875) \
56 || defined(CONFIG_MPC880) \
57 || defined(CONFIG_MPC885)
58 # define CONFIG_MPC885_FAMILY 1
60 #if defined(CONFIG_MPC860) \
61 || defined(CONFIG_MPC860T) \
62 || defined(CONFIG_MPC866_FAMILY) \
63 || defined(CONFIG_MPC885_FAMILY)
64 # define CONFIG_MPC86x 1
66 #elif defined(CONFIG_5xx)
67 #include <asm/5xx_immap.h>
68 #elif defined(CONFIG_MPC5xxx)
70 #elif defined(CONFIG_MPC512X)
71 #include <asm/immap_512x.h>
72 #elif defined(CONFIG_MPC8220)
73 #include <asm/immap_8220.h>
74 #elif defined(CONFIG_8260)
75 #if defined(CONFIG_MPC8247) \
76 || defined(CONFIG_MPC8248) \
77 || defined(CONFIG_MPC8271) \
78 || defined(CONFIG_MPC8272)
79 #define CONFIG_MPC8272_FAMILY 1
81 #if defined(CONFIG_MPC8272_FAMILY)
82 #define CONFIG_MPC8260 1
84 #include <asm/immap_8260.h>
88 #include <asm/immap_86xx.h>
92 #include <asm/immap_85xx.h>
96 #include <asm/immap_83xx.h>
99 #include <asm/ppc4xx.h>
102 #include <board/hymod/hymod.h>
105 #define asmlinkage /* nothing */
107 #ifdef CONFIG_BLACKFIN
108 #include <asm/blackfin.h>
110 #ifdef CONFIG_SOC_DA8XX
111 #include <asm/arch/hardware.h>
119 #define debug(fmt,args...) printf (fmt ,##args)
120 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args);
122 #define debug(fmt,args...)
123 #define debugX(level,fmt,args...)
126 #define error(fmt, args...) do { \
127 printf("ERROR: " fmt "\nat %s:%d/%s()\n", \
128 ##args, __FILE__, __LINE__, __func__); \
133 printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
136 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
139 typedef void (interrupt_handler_t)(void *);
141 #include <asm/u-boot.h> /* boot information for Linux kernel */
142 #include <asm/global_data.h> /* global data used for startup functions */
145 * enable common handling for all TQM8xxL/M boards:
146 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards
147 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards
148 * and for the TQM885D board
150 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \
151 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \
152 defined(CONFIG_TQM862M) || defined(CONFIG_TQM866M)
153 # ifndef CONFIG_TQM8xxM
154 # define CONFIG_TQM8xxM
157 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \
158 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \
159 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) || \
160 defined(CONFIG_TQM885D)
161 # ifndef CONFIG_TQM8xxL
162 # define CONFIG_TQM8xxL
166 #ifndef CONFIG_SERIAL_MULTI
168 #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) \
169 || defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \
170 || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
172 #define CONFIG_SERIAL_MULTI 1
176 #endif /* CONFIG_SERIAL_MULTI */
179 * General Purpose Utilities
182 ({ typeof (X) __x = (X), __y = (Y); \
183 (__x < __y) ? __x : __y; })
186 ({ typeof (X) __x = (X), __y = (Y); \
187 (__x > __y) ? __x : __y; })
189 #define MIN(x, y) min(x, y)
190 #define MAX(x, y) max(x, y)
192 #if defined(CONFIG_ENV_IS_EMBEDDED)
193 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
194 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
195 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
196 defined(CONFIG_ENV_IS_IN_NVRAM)
197 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
199 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
203 * container_of - cast a member of a structure out to the containing structure
204 * @ptr: the pointer to the member.
205 * @type: the type of the container struct this is embedded in.
206 * @member: the name of the member within the struct.
209 #define container_of(ptr, type, member) ({ \
210 const typeof( ((type *)0)->member ) *__mptr = (ptr); \
211 (type *)( (char *)__mptr - offsetof(type,member) );})
214 * Function Prototypes
217 void hang (void) __attribute__ ((noreturn));
220 phys_size_t initdram (int);
221 int display_options (void);
222 void print_size(unsigned long long, const char *);
223 int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen);
226 void main_loop (void);
227 int run_command (const char *cmd, int flag);
228 int readline (const char *const prompt);
229 int readline_into_buffer (const char *const prompt, char * buffer);
230 int parse_line (char *, char *[]);
231 void init_cmd_timeout(void);
232 void reset_cmd_timeout(void);
234 /* arch/$(ARCH)/lib/board.c */
235 void board_init_f (ulong) __attribute__ ((noreturn));
236 void board_init_r (gd_t *, ulong) __attribute__ ((noreturn));
237 int checkboard (void);
238 int checkflash (void);
239 int checkdram (void);
240 int last_stage_init(void);
241 extern ulong monitor_flash_len;
242 int mac_read_from_eeprom(void);
245 void flash_perror (int);
247 /* common/cmd_source.c */
248 int source (ulong addr, const char *fit_uname);
250 extern ulong load_addr; /* Default Load Address */
252 /* common/cmd_doc.c */
253 void doc_probe(unsigned long physadr);
255 /* common/cmd_nvedit.c */
257 void env_relocate (void);
258 int envmatch (uchar *, int);
259 char *getenv (char *);
260 int getenv_f (char *name, char *buf, unsigned len);
262 #ifdef CONFIG_PPC /* ARM version to be fixed! */
263 int inline setenv (char *, char *);
265 int setenv (char *, char *);
266 #endif /* CONFIG_PPC */
268 # include <asm/mach-types.h>
269 # include <asm/setup.h>
270 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */
271 #endif /* CONFIG_ARM */
272 #ifdef CONFIG_I386 /* x86 version to be fixed! */
273 # include <asm/u-boot-i386.h>
274 #endif /* CONFIG_I386 */
276 #ifdef CONFIG_AUTO_COMPLETE
277 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
279 int get_env_id (void);
281 void pci_init (void);
282 void pci_init_board(void);
283 void pciinfo (int, int);
285 #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000))
286 int pci_pre_init (struct pci_controller *);
287 int is_pci_host (struct pci_controller *);
290 #if defined(CONFIG_PCI) && (defined(CONFIG_440) || defined(CONFIG_405EX))
291 # if defined(CONFIG_SYS_PCI_TARGET_INIT)
292 void pci_target_init (struct pci_controller *);
294 # if defined(CONFIG_SYS_PCI_MASTER_INIT)
295 void pci_master_init (struct pci_controller *);
297 #if defined(CONFIG_440SPE) || \
298 defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
299 defined(CONFIG_405EX)
300 void pcie_setup_hoses(int busno);
304 int misc_init_f (void);
305 int misc_init_r (void);
307 /* common/exports.c */
308 void jumptable_init(void);
310 /* common/kallsysm.c */
311 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
314 void api_init (void);
316 /* common/memsize.c */
317 long get_ram_size (volatile long *, long);
319 /* $(BOARD)/$(BOARD).c */
320 void reset_phy (void);
321 void fdc_hw_init (void);
323 /* $(BOARD)/eeprom.c */
324 void eeprom_init (void);
326 int eeprom_probe (unsigned dev_addr, unsigned offset);
328 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
329 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
331 extern uchar pic_read (uchar reg);
332 extern void pic_write (uchar reg, uchar val);
336 * Set this up regardless of board
337 * type, to prevent errors.
339 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR)
340 # define CONFIG_SYS_DEF_EEPROM_ADDR 0
342 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
343 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
345 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */
347 #if defined(CONFIG_SPI)
348 extern void spi_init_f (void);
349 extern void spi_init_r (void);
350 extern ssize_t spi_read (uchar *, int, uchar *, int);
351 extern ssize_t spi_write (uchar *, int, uchar *, int);
354 #ifdef CONFIG_RPXCLASSIC
355 void rpxclassic_init (void);
358 void rpxlite_init (void);
361 /* $(BOARD)/mbx8xx.c */
362 void mbx_init (void);
363 void board_serial_init (void);
364 void board_ether_init (void);
368 /* $(BOARD)/hermes.c */
369 void hermes_start_lxt980 (int speed);
372 #ifdef CONFIG_EVB64260
373 void evb64260_init(void);
374 void debug_led(int, int);
375 void display_mem_map(void);
376 void perform_soft_reset(void);
379 /* $(BOARD)/$(BOARD).c */
380 int board_early_init_f (void);
381 int board_late_init (void);
382 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
383 int board_early_init_r (void);
384 void board_poweroff (void);
386 #if defined(CONFIG_SYS_DRAM_TEST)
388 #endif /* CONFIG_SYS_DRAM_TEST */
391 #if defined(CONFIG_5xx) || \
393 uint get_immr (uint);
396 #if defined(CONFIG_MPC5xxx)
401 uint rd_ic_cst (void);
402 void wr_ic_cst (uint);
403 void wr_ic_adr (uint);
404 uint rd_dc_cst (void);
405 void wr_dc_cst (uint);
406 void wr_dc_adr (uint);
407 int icache_status (void);
408 void icache_enable (void);
409 void icache_disable(void);
410 int dcache_status (void);
411 void dcache_enable (void);
412 void dcache_disable(void);
413 void relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn));
414 ulong get_endaddr (void);
415 void trap_init (ulong);
416 #if defined (CONFIG_4xx) || \
417 defined (CONFIG_MPC5xxx) || \
418 defined (CONFIG_74xx_7xx) || \
419 defined (CONFIG_74x) || \
420 defined (CONFIG_75x) || \
421 defined (CONFIG_74xx) || \
422 defined (CONFIG_MPC8220) || \
423 defined (CONFIG_MPC85xx) || \
424 defined (CONFIG_MPC86xx) || \
425 defined (CONFIG_MPC83xx)
426 unsigned char in8(unsigned int);
427 void out8(unsigned int, unsigned char);
428 unsigned short in16(unsigned int);
429 unsigned short in16r(unsigned int);
430 void out16(unsigned int, unsigned short value);
431 void out16r(unsigned int, unsigned short value);
432 unsigned long in32(unsigned int);
433 unsigned long in32r(unsigned int);
434 void out32(unsigned int, unsigned long value);
435 void out32r(unsigned int, unsigned long value);
436 void ppcDcbf(unsigned long value);
437 void ppcDcbi(unsigned long value);
439 void ppcDcbz(unsigned long value);
441 #if defined (CONFIG_MICROBLAZE)
442 unsigned short in16(unsigned int);
443 void out16(unsigned int, unsigned short value);
446 #if defined (CONFIG_MPC83xx)
447 void ppcDWload(unsigned int *addr, unsigned int *ret);
448 void ppcDWstore(unsigned int *addr, unsigned int *value);
452 int cpu_numcores (void);
455 int checkicache (void);
456 int checkdcache (void);
457 void upmconfig (unsigned int, unsigned int *, unsigned int);
458 ulong get_tbclk (void);
459 void reset_cpu (ulong addr);
460 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
461 void ft_cpu_setup(void *blob, bd_t *bd);
463 void ft_pci_setup(void *blob, bd_t *bd);
468 /* $(CPU)/serial.c */
469 int serial_init (void);
470 void serial_exit (void);
471 void serial_setbrg (void);
472 void serial_putc (const char);
473 void serial_putc_raw(const char);
474 void serial_puts (const char *);
475 int serial_getc (void);
476 int serial_tstc (void);
478 void _serial_setbrg (const int);
479 void _serial_putc (const char, const int);
480 void _serial_putc_raw(const char, const int);
481 void _serial_puts (const char *, const int);
482 int _serial_getc (const int);
483 int _serial_tstc (const int);
486 int get_clocks (void);
487 int get_clocks_866 (void);
488 int sdram_adjust_866 (void);
489 int adjust_sdram_tbs_8xx (void);
490 #if defined(CONFIG_8260)
491 int prt_8260_clks (void);
492 #elif defined(CONFIG_MPC5xxx)
493 int prt_mpc5xxx_clks (void);
495 #if defined(CONFIG_MPC512X)
496 int prt_mpc512xxx_clks (void);
498 #if defined(CONFIG_MPC8220)
499 int prt_mpc8220_clks (void);
502 ulong get_OPB_freq (void);
503 ulong get_PCI_freq (void);
505 #if defined(CONFIG_S3C24X0) || \
506 defined(CONFIG_LH7A40X) || \
507 defined(CONFIG_S3C6400) || \
508 defined(CONFIG_EP93XX)
509 ulong get_FCLK (void);
510 ulong get_HCLK (void);
511 ulong get_PCLK (void);
512 ulong get_UCLK (void);
514 #if defined(CONFIG_LH7A40X)
515 ulong get_PLLCLK (void);
517 #if defined CONFIG_INCA_IP
518 uint incaip_get_cpuclk (void);
520 #if defined(CONFIG_IMX)
521 ulong get_systemPLLCLK(void);
522 ulong get_FCLK(void);
523 ulong get_HCLK(void);
524 ulong get_BCLK(void);
525 ulong get_PERCLK1(void);
526 ulong get_PERCLK2(void);
527 ulong get_PERCLK3(void);
529 ulong get_bus_freq (ulong);
530 int get_serial_clock(void);
532 #if defined(CONFIG_MPC85xx)
533 typedef MPC85xx_SYS_INFO sys_info_t;
534 void get_sys_info ( sys_info_t * );
535 ulong get_ddr_freq (ulong);
537 #if defined(CONFIG_MPC86xx)
538 typedef MPC86xx_SYS_INFO sys_info_t;
539 void get_sys_info ( sys_info_t * );
542 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480)
543 # if defined(CONFIG_440)
544 # if defined(CONFIG_440SPE)
545 unsigned long determine_sysper(void);
546 unsigned long determine_pci_clock_per(void);
549 typedef PPC4xx_SYS_INFO sys_info_t;
550 int ppc440spe_revB(void);
551 void get_sys_info ( sys_info_t * );
554 /* $(CPU)/cpu_init.c */
555 #if defined(CONFIG_8xx) || defined(CONFIG_8260)
556 void cpu_init_f (volatile immap_t *immr);
558 #if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MCF52x2) ||defined(CONFIG_MPC86xx)
559 void cpu_init_f (void);
562 int cpu_init_r (void);
563 #if defined(CONFIG_8260)
564 int prt_8260_rsr (void);
565 #elif defined(CONFIG_MPC83xx)
566 int prt_83xx_rsr (void);
569 /* $(CPU)/interrupts.c */
570 int interrupt_init (void);
571 void timer_interrupt (struct pt_regs *);
572 void external_interrupt (struct pt_regs *);
573 void irq_install_handler(int, interrupt_handler_t *, void *);
574 void irq_free_handler (int);
575 void reset_timer (void);
576 ulong get_timer (ulong base);
577 void set_timer (ulong t);
578 void enable_interrupts (void);
579 int disable_interrupts (void);
581 /* $(CPU)/.../commproc.c */
582 int dpram_init (void);
583 uint dpram_base(void);
584 uint dpram_base_align(uint align);
585 uint dpram_alloc(uint size);
586 uint dpram_alloc_align(uint size,uint align);
587 void bootcount_store (ulong);
588 ulong bootcount_load (void);
589 #define BOOTCOUNT_MAGIC 0xB001C041
591 /* $(CPU)/.../<eth> */
592 void mii_init (void);
594 /* $(CPU)/.../lcd.c */
595 ulong lcd_setmem (ulong);
597 /* $(CPU)/.../vfd.c */
598 ulong vfd_setmem (ulong);
600 /* $(CPU)/.../video.c */
601 ulong video_setmem (ulong);
603 /* arch/$(ARCH)/lib/cache.c */
604 void flush_cache (unsigned long, unsigned long);
605 void flush_dcache_range(unsigned long start, unsigned long stop);
606 void invalidate_dcache_range(unsigned long start, unsigned long stop);
609 /* arch/$(ARCH)/lib/ticks.S */
610 unsigned long long get_ticks(void);
611 void wait_ticks (unsigned long);
613 /* arch/$(ARCH)/lib/time.c */
614 void __udelay (unsigned long);
615 ulong usec2ticks (unsigned long usec);
616 ulong ticks2usec (unsigned long ticks);
617 int init_timebase (void);
620 int gunzip(void *, int, unsigned char *, unsigned long *);
621 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
622 int stoponerr, int offset);
624 /* lib/net_utils.c */
626 static inline IPaddr_t getenv_IPaddr (char *var)
628 return (string_to_ip(getenv(var)));
632 void qsort(void *base, size_t nmemb, size_t size,
633 int(*compar)(const void *, const void *));
636 void udelay (unsigned long);
639 ulong simple_strtoul(const char *cp,char **endp,unsigned int base);
640 unsigned long long simple_strtoull(const char *cp,char **endp,unsigned int base);
641 long simple_strtol(const char *cp,char **endp,unsigned int base);
642 void panic(const char *fmt, ...)
643 __attribute__ ((format (__printf__, 1, 2)));
644 int sprintf(char * buf, const char *fmt, ...)
645 __attribute__ ((format (__printf__, 2, 3)));
646 int vsprintf(char *buf, const char *fmt, va_list args);
649 char * strmhz(char *buf, long hz);
652 #include <u-boot/crc.h>
654 /* common/console.c */
655 int console_init_f(void); /* Before relocation; uses the serial stuff */
656 int console_init_r(void); /* After relocation; uses the console stuff */
657 int console_assign (int file, char *devname); /* Assign the console */
659 int had_ctrlc (void); /* have we had a Control-C since last clear? */
660 void clear_ctrlc (void); /* clear the Control-C condition */
661 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */
664 * STDIO based functions (can always be used)
667 int serial_printf (const char *fmt, ...)
668 __attribute__ ((format (__printf__, 1, 2)));
674 void putc(const char c);
675 void puts(const char *s);
676 int printf(const char *fmt, ...)
677 __attribute__ ((format (__printf__, 1, 2)));
678 int vprintf(const char *fmt, va_list args);
681 #define eputc(c) fputc(stderr, c)
682 #define eputs(s) fputs(stderr, s)
683 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args)
686 * FILE based functions (can only be used AFTER relocation!)
693 int fprintf(int file, const char *fmt, ...)
694 __attribute__ ((format (__printf__, 2, 3)));
695 void fputs(int file, const char *s);
696 void fputc(int file, const char c);
701 * CONSOLE multiplexing.
703 #ifdef CONFIG_CONSOLE_MUX
707 int pcmcia_init (void);
709 #ifdef CONFIG_STATUS_LED
710 # include <status_led.h>
713 * Board-specific Platform code can reimplement show_boot_progress () if needed
715 void show_boot_progress(int val);
717 /* Multicore arch functions */
719 int cpu_status(int nr);
720 int cpu_reset(int nr);
721 int cpu_disable(int nr);
722 int cpu_release(int nr, int argc, char * const argv[]);
725 #endif /* __ASSEMBLY__ */
727 /* Put only stuff here that the assembler can digest */
730 #define CONFIG_HAS_POST
731 #ifndef CONFIG_POST_ALT_LIST
732 #define CONFIG_POST_STD_LIST
736 #ifdef CONFIG_INIT_CRITICAL
737 #error CONFIG_INIT_CRITICAL is deprecated!
738 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
741 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
743 #define ROUND(a,b) (((a) + (b)) & ~((b) - 1))
744 #define DIV_ROUND(n,d) (((n) + ((d)/2)) / (d))
745 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
746 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
748 #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1)
749 #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
751 #endif /* __COMMON_H_ */