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-rw-r--r--include/asm-arm/arch-ebsa285/io.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ebsa285/io.h b/include/asm-arm/arch-ebsa285/io.h
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+++ b/include/asm-arm/arch-ebsa285/io.h
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+/*
+ * linux/include/asm-arm/arch-ebsa285/io.h
+ *
+ * Copyright (C) 1997-1999 Russell King
+ *
+ * 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.
+ *
+ * Modifications:
+ * 06-12-1997 RMK Created.
+ * 07-04-1999 RMK Major cleanup
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffff
+
+/*
+ * Translation of various region addresses to virtual addresses
+ */
+#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
+#if 1
+#define __mem_pci(a) (a)
+#define __mem_isa(a) ((a) + PCIMEM_BASE)
+#else
+
+static inline void __iomem *___mem_pci(void __iomem *p)
+{
+ unsigned long a = (unsigned long)p;
+ BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
+ return p;
+}
+
+static inline void __iomem *___mem_isa(void __iomem *p)
+{
+ unsigned long a = (unsigned long)p;
+ BUG_ON(a >= 16*1048576);
+ return p + PCIMEM_BASE;
+}
+#define __mem_pci(a) ___mem_pci(a)
+#define __mem_isa(a) ___mem_isa(a)
+#endif
+
+#endif