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Diffstat (limited to 'arch/arm/include/asm/arch-s3c64xx/hardware.h')
-rw-r--r--arch/arm/include/asm/arch-s3c64xx/hardware.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-s3c64xx/hardware.h b/arch/arm/include/asm/arch-s3c64xx/hardware.h
new file mode 100644
index 0000000000..84d24c9384
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+++ b/arch/arm/include/asm/arch-s3c64xx/hardware.h
@@ -0,0 +1,63 @@
+/*
+ * 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_ */
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