[okl4-developer] How to know the phys addr mapping of a virt addr?

[kashin Lin]

Hi,

are there any function in pistachio that i can call to transfer a virt addr
to
phys addr ( which header i should include)?

i modify the timer's driver codes in src/platform/ to adapt okl4 to my
target, but got
the wrong timer behavior. i wonder if i write to the wrong address. so i
need a way to
know if the virt addr i used is mapped to the timer's base phy addr.
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