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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2013-10-10 09:13:41 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2013-12-18 16:35:45 +0900
commitb9986be0840d7945f760204bfb1a4b565ba235ff (patch)
tree57a2c8910f36488247860107879a309b35e2a959 /board/renesas/lager
parentb9107adf0bda7725184de7ab8bac56f3aa9cb553 (diff)
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arm: lager: Add support reset function
The lager board uses I2C for reset. ned-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Diffstat (limited to 'board/renesas/lager')
-rw-r--r--board/renesas/lager/lager.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/board/renesas/lager/lager.c b/board/renesas/lager/lager.c
index ba923d5..cdd5b32 100644
--- a/board/renesas/lager/lager.c
+++ b/board/renesas/lager/lager.c
@@ -19,6 +19,7 @@
#include <asm/gpio.h>
#include <asm/arch/rmobile.h>
#include <miiphy.h>
+#include <i2c.h>
#include "qos.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -354,4 +355,11 @@ int board_late_init(void)
void reset_cpu(ulong addr)
{
+ u8 val;
+
+ i2c_set_bus_num(3); /* PowerIC connected to ch3 */
+ i2c_init(400000, 0);
+ i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
+ val |= 0x02;
+ i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
}