NV04_PFB_CFG0
sim_data.memory_type = nvif_rd32(device, NV04_PFB_CFG0) & 0x1;
nvkm_mask(device, NV04_PFB_CFG0, 0, NV04_PFB_CFG0_SCRAMBLE);
nvkm_mask(device, NV04_PFB_CFG0, 0x30, mem_width[i]);
nvkm_mask(device, NV04_PFB_CFG0, 0x1000, 0);
nvkm_mask(device, NV04_PFB_CFG0, 0, mask);
nvkm_mask(device, NV04_PFB_CFG0, mask, 0);
nvkm_wr32(device, NV04_PFB_CFG0, 0x1114);