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authorGuanXuetao <gxt@mprc.pku.edu.cn>2011-02-26 20:08:36 +0800
committerGuanXuetao <gxt@mprc.pku.edu.cn>2011-03-17 09:19:14 +0800
commitb08b4f8e63e60a64f81e194269be14afee396f33 (patch)
treed76aef05929a7f28f1463c72adefd8af780192c8 /arch/unicore32/include/mach/hardware.h
parentfa7499ef77db8d535e3c609c8064e9ee50c0693c (diff)
downloadlinux-0-day-b08b4f8e63e60a64f81e194269be14afee396f33.tar.gz
linux-0-day-b08b4f8e63e60a64f81e194269be14afee396f33.tar.xz
unicore32 machine related files: hardware registers
This patch adds all hardware registers definitions. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'arch/unicore32/include/mach/hardware.h')
-rw-r--r--arch/unicore32/include/mach/hardware.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/unicore32/include/mach/hardware.h b/arch/unicore32/include/mach/hardware.h
new file mode 100644
index 0000000000000..3fb7236f8d693
--- /dev/null
+++ b/arch/unicore32/include/mach/hardware.h
@@ -0,0 +1,45 @@
+/*
+ * linux/arch/unicore32/include/mach/hardware.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.
+ *
+ * This file contains the hardware definitions for PKUnity architecture
+ */
+
+#ifndef __MACH_PUV3_HARDWARE_H__
+#define __MACH_PUV3_HARDWARE_H__
+
+#include "PKUnity.h"
+
+#define io_p2v(x) ((x) - PKUNITY_IOSPACE_BASE)
+#define io_v2p(x) ((x) + PKUNITY_IOSPACE_BASE)
+
+#ifndef __ASSEMBLY__
+
+# define __REG(x) (*((volatile unsigned long *)io_p2v(x)))
+# define __PREG(x) (io_v2p((unsigned long)&(x)))
+
+#else
+
+# define __REG(x) io_p2v(x)
+# define __PREG(x) io_v2p(x)
+
+#endif
+
+#define PCIBIOS_MIN_IO 0x4000 /* should lower than 64KB */
+#define PCIBIOS_MIN_MEM PKUNITY_PCIMEM_BASE
+
+/*
+ * We override the standard dma-mask routines for bouncing.
+ */
+#define HAVE_ARCH_PCI_SET_DMA_MASK
+
+#define pcibios_assign_all_busses() 1
+
+#endif /* __MACH_PUV3_HARDWARE_H__ */