Patchwork [U-Boot,SPEAr,Enhancement,1/9] spear: Add cache support

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Submitter Vipin Kumar
Date Nov. 2, 2012, 5:39 p.m.
Message ID <5b2a27f38a3e2359d4667b59fd8243d0ae3212cc.1351877331.git.vipin.kumar@st.com>
Download mbox | patch
Permalink /patch/196700/
State New
Delegated to: Vipin Kumar
Headers show

Comments

Vipin Kumar - Nov. 2, 2012, 5:39 p.m.
Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
---
 arch/arm/cpu/arm926ejs/spear/Makefile |  7 ++++---
 arch/arm/cpu/arm926ejs/spear/cache.c  | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/cpu/arm926ejs/spear/cache.c

Patch

diff --git a/arch/arm/cpu/arm926ejs/spear/Makefile b/arch/arm/cpu/arm926ejs/spear/Makefile
index 7d11035..cf29ede 100644
--- a/arch/arm/cpu/arm926ejs/spear/Makefile
+++ b/arch/arm/cpu/arm926ejs/spear/Makefile
@@ -25,9 +25,10 @@  include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).o
 
-COBJS-y	:= cpu.o \
-	   reset.o \
-	   timer.o
+COBJS-y += cache.o
+COBJS-y += cpu.o
+COBJS-y += reset.o
+COBJS-y += timer.o
 
 COBJS-$(CONFIG_ST_EMI) += emi.o
 COBJS-$(CONFIG_ARCH_SPEAR3XX) += spear3xx.o
diff --git a/arch/arm/cpu/arm926ejs/spear/cache.c b/arch/arm/cpu/arm926ejs/spear/cache.c
new file mode 100644
index 0000000..351e8cd
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/cache.c
@@ -0,0 +1,32 @@ 
+/*
+ * (C) Copyright 2012
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_DCACHE_OFF
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+#endif
+}