mmMC_VM_FB_LOCATION
u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
WREG32(mmMC_VM_FB_LOCATION, tmp);