mirror of
https://github.com/AsahiLinux/u-boot
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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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/*
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* Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400
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*
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* (C) Copyright 2008
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* Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _ARCH_HARDWARE_H_
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#define _ARCH_HARDWARE_H_
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#include <asm/sizes.h>
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#ifndef __ASSEMBLY__
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#define UData(Data) ((unsigned long) (Data))
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#define __REG(x) (*(vu_long *)(x))
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#define __REGl(x) (*(vu_long *)(x))
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#define __REGw(x) (*(vu_short *)(x))
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#define __REGb(x) (*(vu_char *)(x))
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#define __REG2(x, y) (*(vu_long *)((x) + (y)))
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#else
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#define UData(Data) (Data)
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#define __REG(x) (x)
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#define __REGl(x) (x)
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#define __REGw(x) (x)
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#define __REGb(x) (x)
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#define __REG2(x, y) ((x) + (y))
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#endif
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#define Fld(Size, Shft) (((Size) << 16) + (Shft))
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#define FSize(Field) ((Field) >> 16)
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#define FShft(Field) ((Field) & 0x0000FFFF)
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#define FMsk(Field) (((UData (1) << FSize (Field)) - 1) << FShft (Field))
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#define FAlnMsk(Field) ((UData (1) << FSize (Field)) - 1)
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#define F1stBit(Field) (UData (1) << FShft (Field))
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#define FClrBit(Data, Bit) (Data = (Data & ~(Bit)))
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#define FClrFld(Data, Field) (Data = (Data & ~FMsk(Field)))
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#define FInsrt(Value, Field) \
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(UData (Value) << FShft (Field))
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#define FExtr(Data, Field) \
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((UData (Data) >> FShft (Field)) & FAlnMsk (Field))
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#endif /* _ARCH_HARDWARE_H_ */
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