ARM: LPC32XX: Debug and IRQ macros

Debug (printascii) and IRQ handler macros for the LPC32XX
arch

Signed-off-by: Kevin Wells <wellsk40@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/arm/mach-lpc32xx/include/mach/debug-macro.S b/arch/arm/mach-lpc32xx/include/mach/debug-macro.S
new file mode 100644
index 0000000..621744d
--- /dev/null
+++ b/arch/arm/mach-lpc32xx/include/mach/debug-macro.S
@@ -0,0 +1,31 @@
+/*
+ * arch/arm/mach-lpc32xx/include/mach/debug-macro.S
+ *
+ * Author: Kevin Wells <kevin.wells@nxp.com>
+ *
+ * Copyright (C) 2010 NXP Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * Debug output is hardcoded to standard UART 5
+*/
+
+	.macro	addruart,rx, tmp
+	mrc	p15, 0, \rx, c1, c0
+	tst	\rx, #1				@ MMU enabled?
+	ldreq	\rx, =0x40090000
+	ldrne	\rx, =0xF4090000
+	.endm
+
+#define UART_SHIFT	2
+#include <asm/hardware/debug-8250.S>