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Disintegrate asm/system.h for ARM. Signed-off-by: David Howells <dhowells@redhat.com> cc: Russell King <linux@arm.linux.org.uk> cc: linux-arm-kernel@lists.infradead.org
28 lines
544 B
C
28 lines
544 B
C
/*
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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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#include <asm/system_info.h>
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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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* 0 => nand 8 bit
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* 1 => nand 16 bit
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*/
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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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{
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return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0;
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}
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#endif /* __ARCH_SYSTEM_REV_H__ */
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