[U-Boot] [PATCH 17/20] imx8m: soc: enable SCTR clock before timer init
Peng Fan
peng.fan at nxp.com
Mon Jan 28 09:40:13 UTC 2019
To i.MX8MM SCTR clock is disabled by ROM, so before timer init
need to enable it.
To i.MX8MQ, it does not hurt the clock is enabled again.
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
arch/arm/mach-imx/imx8m/soc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 98388003bc..f1480c9d26 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -230,6 +230,12 @@ static void imx_set_wdog_powerdown(bool enable)
int arch_cpu_init(void)
{
+ /*
+ * ROM might disable clock for SCTR,
+ * enable the clock before timer_init.
+ */
+ if (IS_ENABLED(CONFIG_SPL_BUILD))
+ clock_enable(CCGR_SCTR, 1);
/*
* Init timer at very early state, because sscg pll setting
* will use it
--
2.14.1
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