Kernel  |  3.10
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  1. 根目录:
  2. arch
  3. arm
  4. mach-at91
  5. include
  6. mach
  7. system_rev.h
C++程序  |  28行  |  544 B 
/*
 * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 *
 * Under GPLv2 only
 */

#ifndef __ARCH_SYSTEM_REV_H__
#define __ARCH_SYSTEM_REV_H__

#include <asm/system_info.h>

/*
 * board revision encoding
 * mach specific
 * the 16-31 bit are reserved for at91 generic information
 *
 * bit 31:
 *	0 => nand 8 bit
 *	1 => nand 16 bit
 */
#define BOARD_HAVE_NAND_16BIT	(1 << 31)
static inline int board_have_nand_16bit(void)
{
	return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0;
}

#endif /* __ARCH_SYSTEM_REV_H__ */