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@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