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About AM335x RTC_OSC_REG Register

g.f.
Guru 15520 points

Hi,

I have a question about AM335x RTC clock.

I want to use CLK_32K_RTC for DMTIMER1 clock source in AM3358EVM.
So, I'm trying to enable the RTC internal oscillator from RTC_OSC_REG Register.
But I can't enable the oscillator.

How to enable the RTC internal Oscillator?
My setting is as follow:
==================================================
*(volatile unsigned int*)0x44E3E054 = 0x00000048;
==================================================
But the value never reflected to the register.
The register is always setup to default value.

best regards,
g.f.