upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/asm-arm/arch-s3c64xx/hardware.h

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