HOST_TO_VPU
vpu_cfg_readl(vpu, HOST_TO_VPU),
} while (vpu_cfg_readl(vpu, HOST_TO_VPU));
vpu_cfg_writel(vpu, 0x1, HOST_TO_VPU);
host_to_vpu = vpu_cfg_readl(vpu, HOST_TO_VPU);