diff options
| author | Zhang Bo <bo.zhang@nxp.com> | 2018-08-28 10:33:05 +0800 |
|---|---|---|
| committer | Zhang Bo <bo.zhang@nxp.com> | 2018-08-28 10:49:06 +0800 |
| commit | b6a1a19c6649e59f986625e5b4a9fa886821dd88 (patch) | |
| tree | 28da93f77cbcafa845b7014725db4e70dc23cbb5 | |
| parent | 512bdbb63bb4bcdf24c820e438b927cd7808b45c (diff) | |
MA-12536[Android] Enable RTC for imx8m in uboot
Enable RTC in bootloader to avoid rtc time less than jiffies time
when linux first bootup after RTC lose power.
It will cause the issue as
MA-9554[Android_6DL_SD]RTC: Sometimes the RTC reset to the initial
time 1970 after softare reboot the first time. 40%
Change-Id: I0c87180640be98a2c928a30c6949f91f4515844d
Signed-off-by: Zhang Bo <bo.zhang@nxp.com>
| -rw-r--r-- | arch/arm/cpu/armv8/imx8m/soc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/imx8m/soc.c b/arch/arm/cpu/armv8/imx8m/soc.c index 8e506c47fc..9578be616c 100644 --- a/arch/arm/cpu/armv8/imx8m/soc.c +++ b/arch/arm/cpu/armv8/imx8m/soc.c @@ -271,6 +271,11 @@ int arch_cpu_init(void) imx_set_wdog_powerdown(false); +#if defined(CONFIG_ANDROID_SUPPORT) + /* Enable RTC */ + writel(0x21, 0x30370038); +#endif + return 0; } |