From: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Date: Fri, 11 Oct 2013 06:00:37 +0000 (+0900)
Subject: arm: lager: Disable TMU0 before OS boot
X-Git-Tag: v2014.01~21^2~4
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=16bf36f77931393965c8a2fdd62f441f93de0b67;p=u-boot

arm: lager: Disable TMU0 before OS boot

On U-boot uses TMU0 as timer, but TMU0 does not use on linux kernel
and other.
This disables TMU0 at the request of from kernel user.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---

diff --git a/board/renesas/lager/lager.c b/board/renesas/lager/lager.c
index cdd5b32135..ad5289a23b 100644
--- a/board/renesas/lager/lager.c
+++ b/board/renesas/lager/lager.c
@@ -254,6 +254,12 @@ int board_early_init_f(void)
 	return 0;
 }
 
+void arch_preboot_os(void)
+{
+	/* Disable TMU0 */
+	mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
+}
+
 DECLARE_GLOBAL_DATA_PTR;
 int board_init(void)
 {