From 65a76d4f947a193e57bb8f8093c481f27e059f8f Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Fri, 15 May 2009 23:47:14 +0200
Subject: [PATCH] arm/dcc: add xscale support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
drivers/serial/arm_dcc.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/serial/arm_dcc.c b/drivers/serial/arm_dcc.c
index 7c7fa34c5e0..dca73b93d00 100644
--- a/drivers/serial/arm_dcc.c
+++ b/drivers/serial/arm_dcc.c
@@ -45,6 +45,22 @@
#define status_dcc(x) \
__asm__ volatile ("mrc p14, 0, %0, c0, c1, 0\n" : "=r" (x))
+#elif defined(CONFIG_CPU_XSCALE)
+/*
+ * XSCALE
+ */
+#define DCC_RBIT (1 << 31)
+#define DCC_WBIT (1 << 28)
+
+#define write_dcc(x) \
+ __asm__ volatile ("mcr p14, 0, %0, c8, c0, 0\n" : : "r" (x))
+
+#define read_dcc(x) \
+ __asm__ volatile ("mrc p14, 0, %0, c9, c0, 0\n" : "=r" (x))
+
+#define status_dcc(x) \
+ __asm__ volatile ("mrc p14, 0, %0, c14, c0, 0\n" : "=r" (x))
+
#else
#define DCC_RBIT (1 << 0)
#define DCC_WBIT (1 << 1)
--
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