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imx8m: soc: enable SCTR clock before timer init

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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>
This commit is contained in:
Peng Fan 2019-08-27 06:25:37 +00:00 committed by Stefano Babic
parent b3cf0a8f03
commit 0528ba0e1c
1 changed files with 6 additions and 0 deletions
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6
arch/arm/mach-imx/imx8m/soc.c
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@ -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