3 files changed, 64 insertions, 0 deletions
diff --git a/src/arch/arm/Makefile.inc b/src/arch/arm/Makefile.inc
index 96c8b494b2..0fcbf6c232 100644
--- a/src/arch/arm/Makefile.inc
+++ b/src/arch/arm/Makefile.inc
@@ -60,6 +60,7 @@ bootblock-y += memset.S
 bootblock-y += memcpy.S
 bootblock-y += memmove.S
 bootblock-y += div0.c
+bootblock-y += clock.c
 
 $(objcbfs)/bootblock.debug: $(src)/arch/arm/bootblock.ld $(obj)/ldoptions $$(bootblock-objs) $$(VERSTAGE_LIB)
 	@printf "    LINK       $(subst $(obj)/,,$(@))\n"
@@ -91,6 +92,7 @@ romstage-y += eabi_compat.c
 romstage-y += memset.S
 romstage-y += memcpy.S
 romstage-y += memmove.S
+romstage-y += clock.c
 
 VBOOT_STUB_DEPS += $(obj)/arch/arm/eabi_compat.rmodules_arm.o
 
@@ -115,6 +117,7 @@ ramstage-y += tables.c
 ramstage-y += memset.S
 ramstage-y += memcpy.S
 ramstage-y += memmove.S
+ramstage-y += clock.c
 ramstage-srcs += $(wildcard src/mainboard/$(MAINBOARDDIR)/mainboard.c)
 
 $(objcbfs)/ramstage.debug: $$(ramstage-objs) $(src)/arch/arm/ramstage.ld $(obj)/ldoptions
diff --git a/src/arch/arm/clock.c b/src/arch/arm/clock.c
new file mode 100644
index 0000000000..5f68e6fa9d
--- /dev/null
+++ b/src/arch/arm/clock.c
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+#include <stdint.h>
+#include <arch/clock.h>
+
+void set_cntfrq(uint32_t freq)
+{
+	__asm__ __volatile__("mcr p15, 0, %0, c14, c0, 0\n" :: "r"(freq));
+}
diff --git a/src/arch/arm/include/arch/clock.h b/src/arch/arm/include/arch/clock.h
new file mode 100644
index 0000000000..a11fbd4999
--- /dev/null
+++ b/src/arch/arm/include/arch/clock.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __ARM_CLOCK_H_
+#define __ARM_CLOCK_H_
+
+void set_cntfrq(uint32_t);
+
+#endif //__ARM_CLOCK_H_