1 files changed, 46 insertions, 0 deletions

diff --git a/arch/sh/boards/unknown/io.c b/arch/sh/boards/unknown/io.c
new file mode 100644
index 000000000000..8f3f17267bd9
--- /dev/null
+++ b/arch/sh/boards/unknown/io.c
@@ -0,0 +1,46 @@
+/*
+ * linux/arch/sh/kernel/io_unknown.c
+ *
+ * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * I/O routine for unknown hardware.
+ */
+
+static unsigned int unknown_handler(void)
+{
+        return 0;
+}
+
+#define UNKNOWN_ALIAS(fn) \
+        void unknown_##fn(void) __attribute__ ((alias ("unknown_handler")));
+
+UNKNOWN_ALIAS(inb)
+UNKNOWN_ALIAS(inw)
+UNKNOWN_ALIAS(inl)
+UNKNOWN_ALIAS(outb)
+UNKNOWN_ALIAS(outw)
+UNKNOWN_ALIAS(outl)
+UNKNOWN_ALIAS(inb_p)
+UNKNOWN_ALIAS(inw_p)
+UNKNOWN_ALIAS(inl_p)
+UNKNOWN_ALIAS(outb_p)
+UNKNOWN_ALIAS(outw_p)
+UNKNOWN_ALIAS(outl_p)
+UNKNOWN_ALIAS(insb)
+UNKNOWN_ALIAS(insw)
+UNKNOWN_ALIAS(insl)
+UNKNOWN_ALIAS(outsb)
+UNKNOWN_ALIAS(outsw)
+UNKNOWN_ALIAS(outsl)
+UNKNOWN_ALIAS(readb)
+UNKNOWN_ALIAS(readw)
+UNKNOWN_ALIAS(readl)
+UNKNOWN_ALIAS(writeb)
+UNKNOWN_ALIAS(writew)
+UNKNOWN_ALIAS(writel)
+UNKNOWN_ALIAS(isa_port2addr)
+UNKNOWN_ALIAS(ioremap)
+UNKNOWN_ALIAS(iounmap)