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@@ -0,0 +1,61 @@
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+/*
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+ * linux/include/asm-m68k/io.h
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+ *
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+ * 4/1/00 RZ: - rewritten to avoid clashes between ISA/PCI and other
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+ * IO access
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+ * - added Q40 support
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+ * - added skeleton for GG-II and Amiga PCMCIA
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+ * 2/3/01 RZ: - moved a few more defs into raw_io.h
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+ *
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+ * inX/outX should not be used by any driver unless it does
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+ * ISA access. Other drivers should use function defined in raw_io.h
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+ * or define its own macros on top of these.
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+ *
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+ * inX(),outX() are for ISA I/O
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+ * isa_readX(),isa_writeX() are for ISA memory
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+ */
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+
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+#ifndef _IO_H
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+#define _IO_H
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+
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+#ifdef __KERNEL__
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+
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+#include <linux/compiler.h>
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+#include <asm/raw_io.h>
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+#include <asm/virtconvert.h>
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+
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+#include <asm-generic/iomap.h>
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+
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+#ifdef CONFIG_ATARI
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+#include <asm/atarihw.h>
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+#endif
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+
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+
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+/*
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+ * IO/MEM definitions for various ISA bridges
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+ */
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+
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+
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+#ifdef CONFIG_Q40
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+
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+#define q40_isa_io_base 0xff400000
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+#define q40_isa_mem_base 0xff800000
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+
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+#define Q40_ISA_IO_B(ioaddr) (q40_isa_io_base+1+4*((unsigned long)(ioaddr)))
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+#define Q40_ISA_IO_W(ioaddr) (q40_isa_io_base+ 4*((unsigned long)(ioaddr)))
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+#define Q40_ISA_MEM_B(madr) (q40_isa_mem_base+1+4*((unsigned long)(madr)))
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+#define Q40_ISA_MEM_W(madr) (q40_isa_mem_base+ 4*((unsigned long)(madr)))
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+
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+#define MULTI_ISA 0
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+#endif /* Q40 */
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+
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+#ifdef CONFIG_AMIGA_PCMCIA
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+#include <asm/amigayle.h>
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+
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+#define AG_ISA_IO_B(ioaddr) ( GAYLE_IO+(ioaddr)+(((ioaddr)&1)*GAYLE_ODD) )
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+#define AG_ISA_IO_W(ioaddr) ( GAYLE_IO+(ioaddr) )
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+
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+#ifndef MULTI_ISA
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+#define MULTI_ISA 0
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+#else
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+#undef MULTI_ISA
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唐峰