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+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ *
+ */
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, =0x40028000 @ physical
+ ldr \rv, =0xfe028000 @ virtual
+ .endm
+
+ .macro senduart, rd, rx
+ strb \rd, [\rx, #0x7] @ Data Register
+ .endm
+
+ .macro busyuart, rd, rx
+1001: ldrb \rd, [\rx, #0x4] @ Status Register 1
+ tst \rd, #1 << 6 @ TC
+ beq 1001b @ wait until transmit done
+ .endm
+
+ .macro waituart,rd,rx
+ .endm