arm: rmobile: alt: Add external RAM boot

[u-boot] / arch / arm / cpu / armv7 / rmobile / timer.c

diff --git a/arch/arm/cpu/armv7/rmobile/timer.c b/arch/arm/cpu/armv7/rmobile/timer.c
index 37522dcd8471f2bc376e9ce769a5647cfd81f36b..04700e7d34ddcd0b0680c6590b7b347486ee7925 100644 (file)
--- a/arch/arm/cpu/armv7/rmobile/timer.c
+++ b/arch/arm/cpu/armv7/rmobile/timer.c
@@ -2,26 +2,11 @@
  * (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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
+#include <div64.h>
 #include <asm/io.h>
 #include <asm/arch-armv7/globaltimer.h>
 #include <asm/arch/rmobile.h>
@@ -54,13 +39,16 @@ static u64 get_time_us(void)
        u64 timer = get_cpu_global_timer();
 
        timer = ((timer << 2) + (CLK2MHZ(CONFIG_SYS_CPU_CLK) >> 1));
-       timer /= (u64)CLK2MHZ(CONFIG_SYS_CPU_CLK);
+       do_div(timer, CLK2MHZ(CONFIG_SYS_CPU_CLK));
        return timer;
 }
 
 static ulong get_time_ms(void)
 {
-       return (ulong)(get_time_us() / 1000);
+       u64 us = get_time_us();
+
+       do_div(us, 1000);
+       return us;
 }
 
 int timer_init(void)