2011-04-13 10:34:03 -06:00
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/*
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* Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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*
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* Under GPLv2 only
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*/
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#ifndef __ARCH_SYSTEM_REV_H__
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#define __ARCH_SYSTEM_REV_H__
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2012-03-28 11:30:01 -06:00
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#include <asm/system_info.h>
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2011-04-13 10:34:03 -06:00
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/*
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* board revision encoding
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* mach specific
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* the 16-31 bit are reserved for at91 generic information
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*
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* bit 31:
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2011-07-01 04:25:24 -06:00
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* 0 => nand 8 bit
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* 1 => nand 16 bit
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2011-04-13 10:34:03 -06:00
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*/
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2011-07-01 04:25:24 -06:00
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#define BOARD_HAVE_NAND_16BIT (1 << 31)
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static inline int board_have_nand_16bit(void)
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2011-04-13 10:34:03 -06:00
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{
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2011-10-24 00:57:32 -06:00
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return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0;
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2011-04-13 10:34:03 -06:00
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}
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#endif /* __ARCH_SYSTEM_REV_H__ */
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