Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Allwinner/D1H/CCU/IOMMU_BGR#0x0
GATING=Mask
IOMMU Bus Gating Reset Register
Gating Clock
0 (Mask): undefined
1 (Pass): undefined
https://github.com/cmsis-svd/cmsis-svd-data