void (*init)(struct nvkm_falcon *);
        void (*intr)(struct nvkm_falcon *, struct nvkm_fifo_chan *);
 
+       u32 debug;
        u32 fbif;
 
        void (*load_imem)(struct nvkm_falcon *, void *, u32, u32, u16, u8, bool);
 
 static int
 nvkm_falcon_oneinit(struct nvkm_falcon *falcon)
 {
+       const struct nvkm_falcon_func *func = falcon->func;
        const struct nvkm_subdev *subdev = falcon->owner;
-       u32 debug_reg;
        u32 reg;
 
        if (!falcon->addr) {
        falcon->code.limit = (reg & 0x1ff) << 8;
        falcon->data.limit = (reg & 0x3fe00) >> 1;
 
-       switch (subdev->index) {
-       case NVKM_ENGINE_GR:
-               debug_reg = 0x0;
-               break;
-       case NVKM_SUBDEV_PMU:
-               debug_reg = 0xc08;
-               break;
-       case NVKM_ENGINE_NVDEC0:
-               debug_reg = 0xd00;
-               break;
-       case NVKM_ENGINE_SEC2:
-               debug_reg = 0x408;
-               break;
-       case NVKM_SUBDEV_GSP:
-               debug_reg = 0x0; /*XXX*/
-               break;
-       default:
-               nvkm_warn(subdev, "unsupported falcon %s!\n",
-                         nvkm_subdev_name[subdev->index]);
-               debug_reg = 0;
-               break;
-       }
-
-       if (debug_reg) {
-               u32 val = nvkm_falcon_rd32(falcon, debug_reg);
+       if (func->debug) {
+               u32 val = nvkm_falcon_rd32(falcon, func->debug);
                falcon->debug = (val >> 20) & 0x1;
        }