ARMv7: Add register definition of global timer

ARMv7 has global timer. This provides the register definition of this timer.
Signed-off-by: NNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: NNobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/arm/include/asm/arch-armv7/globaltimer.h

+/*
+ * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * (C) Copyright 2012 Renesas Solutions Corp.
+ *
+ * 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
+ */
+#ifndef _GLOBALTIMER_H_
+#define _GLOBALTIMER_H_
+
+struct globaltimer {
+	u32 cnt_l; /* 0x00 */
+	u32 cnt_h;
+	u32 ctl;
+	u32 stat;
+	u32 cmp_l; /* 0x10 */
+	u32 cmp_h;
+	u32 inc;
+};
+
+#endif /* _GLOBALTIMER_H_ */