patch-2.4.6 linux/arch/sh/kernel/io_sh2000.c

• Lines: 20
• Date: Wed Jun 27 13:55:29 2001
• Orig file: v2.4.5/linux/arch/sh/kernel/io_sh2000.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.5/linux/arch/sh/kernel/io_sh2000.c linux/arch/sh/kernel/io_sh2000.c
@@ -0,0 +1,19 @@
+/*
+ * I/O routine for SH-2000
+ */
+#include <linux/config.h>
+#include <asm/io.h>
+#include <asm/machvec.h>
+
+#define IDE_OFFSET    0xb6200000
+#define NIC_OFFSET    0xb6000000
+#define EXTBUS_OFFSET 0xba000000
+
+unsigned long sh2000_isa_port2addr(unsigned long offset)
+{
+	if((offset & ~7) == 0x1f0 || offset == 0x3f6)
+		return IDE_OFFSET + offset;
+	else if((offset & ~0x1f) == 0x300)
+		return NIC_OFFSET + offset;
+	return EXTBUS_OFFSET + offset;
+}