From b08b4f8e63e60a64f81e194269be14afee396f33 Mon Sep 17 00:00:00 2001 From: GuanXuetao Date: Sat, 26 Feb 2011 20:08:36 +0800 Subject: unicore32 machine related files: hardware registers This patch adds all hardware registers definitions. Signed-off-by: Guan Xuetao --- arch/unicore32/include/mach/bitfield.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/unicore32/include/mach/bitfield.h (limited to 'arch/unicore32/include/mach/bitfield.h') diff --git a/arch/unicore32/include/mach/bitfield.h b/arch/unicore32/include/mach/bitfield.h new file mode 100644 index 000000000000..128a70281efc --- /dev/null +++ b/arch/unicore32/include/mach/bitfield.h @@ -0,0 +1,24 @@ +/* + * linux/arch/unicore32/include/mach/bitfield.h + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __MACH_PUV3_BITFIELD_H__ +#define __MACH_PUV3_BITFIELD_H__ + +#ifndef __ASSEMBLY__ +#define UData(Data) ((unsigned long) (Data)) +#else +#define UData(Data) (Data) +#endif + +#define FIELD(val, vmask, vshift) (((val) & ((UData(1) << (vmask)) - 1)) << (vshift)) +#define FMASK(vmask, vshift) (((UData(1) << (vmask)) - 1) << (vshift)) + +#endif /* __MACH_PUV3_BITFIELD_H__ */ -- cgit v1.2.3