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Diffstat (limited to 'arch/arm/mach-ebsa110/include/mach/io.h')
-rw-r--r--arch/arm/mach-ebsa110/include/mach/io.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/mach-ebsa110/include/mach/io.h b/arch/arm/mach-ebsa110/include/mach/io.h
new file mode 100644
index 000000000000..f68daa632af0
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/io.h
@@ -0,0 +1,92 @@
+/*
+ * arch/arm/mach-ebsa110/include/mach/io.h
+ *
+ * Copyright (C) 1997,1998 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-Dec-1997 RMK Created.
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffff
+
+u8 __inb8(unsigned int port);
+void __outb8(u8 val, unsigned int port);
+
+u8 __inb16(unsigned int port);
+void __outb16(u8 val, unsigned int port);
+
+u16 __inw(unsigned int port);
+void __outw(u16 val, unsigned int port);
+
+u32 __inl(unsigned int port);
+void __outl(u32 val, unsigned int port);
+
+u8 __readb(const volatile void __iomem *addr);
+u16 __readw(const volatile void __iomem *addr);
+u32 __readl(const volatile void __iomem *addr);
+
+void __writeb(u8 val, void __iomem *addr);
+void __writew(u16 val, void __iomem *addr);
+void __writel(u32 val, void __iomem *addr);
+
+/*
+ * Argh, someone forgot the IOCS16 line. We therefore have to handle
+ * the byte stearing by selecting the correct byte IO functions here.
+ */
+#ifdef ISA_SIXTEEN_BIT_PERIPHERAL
+#define inb(p) __inb16(p)
+#define outb(v,p) __outb16(v,p)
+#else
+#define inb(p) __inb8(p)
+#define outb(v,p) __outb8(v,p)
+#endif
+
+#define inw(p) __inw(p)
+#define outw(v,p) __outw(v,p)
+
+#define inl(p) __inl(p)
+#define outl(v,p) __outl(v,p)
+
+#define readb(b) __readb(b)
+#define readw(b) __readw(b)
+#define readl(b) __readl(b)
+#define readb_relaxed(addr) readb(addr)
+#define readw_relaxed(addr) readw(addr)
+#define readl_relaxed(addr) readl(addr)
+
+#define writeb(v,b) __writeb(v,b)
+#define writew(v,b) __writew(v,b)
+#define writel(v,b) __writel(v,b)
+
+static inline void __iomem *__arch_ioremap(unsigned long cookie, size_t size,
+ unsigned int flags)
+{
+ return (void __iomem *)cookie;
+}
+
+#define __arch_ioremap __arch_ioremap
+#define __arch_iounmap(cookie) do { } while (0)
+
+extern void insb(unsigned int port, void *buf, int sz);
+extern void insw(unsigned int port, void *buf, int sz);
+extern void insl(unsigned int port, void *buf, int sz);
+
+extern void outsb(unsigned int port, const void *buf, int sz);
+extern void outsw(unsigned int port, const void *buf, int sz);
+extern void outsl(unsigned int port, const void *buf, int sz);
+
+/* can't support writesb atm */
+extern void writesw(void __iomem *addr, const void *data, int wordlen);
+extern void writesl(void __iomem *addr, const void *data, int longlen);
+
+/* can't support readsb atm */
+extern void readsw(const void __iomem *addr, void *data, int wordlen);
+extern void readsl(const void __iomem *addr, void *data, int longlen);
+
+#endif
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