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diff --git a/arch/arm/mach-s5pc100/include/mach/debug-macro.S b/arch/arm/mach-s5pc100/include/mach/debug-macro.S
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+/* arch/arm/mach-s5pc100/include/mach/debug-macro.S
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ * Byungho Min <bhmin@samsung.com>
+ *
+ *
+ * Based on mach-s3c6400/include/mach/debug-macro.S
+ *
+ * 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.
+*/
+
+/* pull in the relevant register and map files. */
+
+#include <mach/map.h>
+#include <plat/regs-serial.h>
+
+ /* note, for the boot process to work we have to keep the UART
+ * virtual address aligned to an 1MiB boundary for the L1
+ * mapping the head code makes. We keep the UART virtual address
+ * aligned and add in the offset when we load the value here.
+ */
+
+ .macro addruart, rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1
+ ldreq \rx, = S3C_PA_UART
+ ldrne \rx, = (S3C_VA_UART + S3C_PA_UART & 0xfffff)
+ add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
+ .endm
+
+/* include the reset of the code which will do the work, we're only
+ * compiling for a single cpu processor type so the default of s3c2440
+ * will be fine with us.
+ */
+
+#include <plat/debug-macro.S>
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