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-rw-r--r--arch/arm/mach-sa1100/include/mach/hardware.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
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+++ b/arch/arm/mach-sa1100/include/mach/hardware.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/arm/mach-sa1100/include/mach/hardware.h
+ *
+ * Copyright (C) 1998 Nicolas Pitre <nico@fluxnic.net>
+ *
+ * This file contains the hardware definitions for SA1100 architecture
+ *
+ * 2000/05/23 John Dorsey <john+@cs.cmu.edu>
+ * Definitions for SA1111 added.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+
+#define UNCACHEABLE_ADDR 0xfa050000 /* ICIP */
+
+
+/*
+ * SA1100 internal I/O mappings
+ *
+ * We have the following mapping:
+ * phys virt
+ * 80000000 f8000000
+ * 90000000 fa000000
+ * a0000000 fc000000
+ * b0000000 fe000000
+ */
+
+#define VIO_BASE 0xf8000000 /* virtual start of IO space */
+#define VIO_SHIFT 3 /* x = IO space shrink power */
+#define PIO_START 0x80000000 /* physical start of IO space */
+
+#define io_p2v( x ) \
+ IOMEM( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
+#define io_v2p( x ) \
+ ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
+
+#define __MREG(x) IOMEM(io_p2v(x))
+
+#ifndef __ASSEMBLY__
+
+# define __REG(x) (*((volatile unsigned long __iomem *)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
+
+#include "SA-1100.h"
+
+#endif /* _ASM_ARCH_HARDWARE_H */