From 0528ba0e1c4f879278d597b1aeaf1bf31a943f75 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Tue, 27 Aug 2019 06:25:37 +0000 Subject: [PATCH] imx8m: soc: enable SCTR clock before timer init 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 --- 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 a33ca35653..ac80266010 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -231,6 +231,12 @@ static void imx_set_wdog_powerdown(bool enable) int arch_cpu_init(void) { struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + /* + * 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 -- 2.25.1