HOST_PHYS_BASE_0
if ((addr < HOST_PHYS_BASE_0 + HOST_PHYS_SIZE_0) || (addr >= HOST_PHYS_BASE_1))
prop->device_dma_offset_for_host_access = HOST_PHYS_BASE_0;
prop->host_base_address = HOST_PHYS_BASE_0;
outbound_region.addr = HOST_PHYS_BASE_0;