From 58d0398535647e1bb03e552d2f571d1dee55398c Mon Sep 17 00:00:00 2001
From: Jun Nie <jun.nie@linaro.org>
Date: Tue, 28 Apr 2015 17:18:07 +0800
Subject: ARM: zx: add low level debug support for zx296702

Use the UART0 peripheral for low level debug. Only the UART port 0 is
currently supported.

Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/include/debug/pl01x.S | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'arch/arm/include/debug')

diff --git a/arch/arm/include/debug/pl01x.S b/arch/arm/include/debug/pl01x.S
index 92ef808a2337..f7d8323cefcc 100644
--- a/arch/arm/include/debug/pl01x.S
+++ b/arch/arm/include/debug/pl01x.S
@@ -12,6 +12,13 @@
 */
 #include <linux/amba/serial.h>
 
+#ifdef CONFIG_DEBUG_ZTE_ZX
+#undef UART01x_DR
+#undef UART01x_FR
+#define UART01x_DR     0x04
+#define UART01x_FR     0x14
+#endif
+
 #ifdef CONFIG_DEBUG_UART_PHYS
 		.macro	addruart, rp, rv, tmp
 		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
-- 
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