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-rw-r--r--arch/arm/lib/io-shark.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/lib/io-shark.c b/arch/arm/lib/io-shark.c
new file mode 100644
index 000000000000..108d4573e970
--- /dev/null
+++ b/arch/arm/lib/io-shark.c
@@ -0,0 +1,83 @@
+/*
+ * linux/arch/arm/lib/io-shark.c
+ *
+ * by Alexander Schulz
+ *
+ * derived from:
+ * linux/arch/arm/lib/io-ebsa.S
+ * Copyright (C) 1995, 1996 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.
+ */
+#include <linux/kernel.h>
+
+#include <asm/io.h>
+
+void print_warning(void)
+{
+ printk(KERN_WARNING "ins?/outs? not implemented on this architecture\n");
+}
+
+void insl(unsigned int port, void *to, int len)
+{
+ print_warning();
+}
+
+void insb(unsigned int port, void *to, int len)
+{
+ print_warning();
+}
+
+void outsl(unsigned int port, const void *from, int len)
+{
+ print_warning();
+}
+
+void outsb(unsigned int port, const void *from, int len)
+{
+ print_warning();
+}
+
+/* these should be in assembler again */
+
+/*
+ * Purpose: read a block of data from a hardware register to memory.
+ * Proto : insw(int from_port, void *to, int len_in_words);
+ * Proto : inswb(int from_port, void *to, int len_in_bytes);
+ * Notes : increment to
+ */
+
+void insw(unsigned int port, void *to, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ ((unsigned short *) to)[i] = inw(port);
+}
+
+void inswb(unsigned int port, void *to, int len)
+{
+ insw(port, to, len >> 2);
+}
+
+/*
+ * Purpose: write a block of data from memory to a hardware register.
+ * Proto : outsw(int to_reg, void *from, int len_in_words);
+ * Proto : outswb(int to_reg, void *from, int len_in_bytes);
+ * Notes : increments from
+ */
+
+void outsw(unsigned int port, const void *from, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ outw(((unsigned short *) from)[i], port);
+}
+
+void outswb(unsigned int port, const void *from, int len)
+{
+ outsw(port, from, len >> 2);
+}