From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Fri, 15 May 2009 21:47:14 +0000 (+0200)
Subject: arm/dcc: add xscale support
X-Git-Tag: v2009.08-rc1~153^2~104
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=65a76d4f947a193e57bb8f8093c481f27e059f8f;p=oweals%2Fu-boot.git

arm/dcc: add xscale support

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---

diff --git a/drivers/serial/arm_dcc.c b/drivers/serial/arm_dcc.c
index 7c7fa34c5e..dca73b93d0 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)