1 /* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include "nv04.h" 25 26 int 27 nv44_mc_init(struct nvkm_object *object) 28 { 29 struct nvkm_mc *mc = (void *)object; 30 struct nvkm_device *device = mc->subdev.device; 31 u32 tmp = nvkm_rd32(device, 0x10020c); 32 33 nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */ 34 35 nvkm_wr32(device, 0x001700, tmp); 36 nvkm_wr32(device, 0x001704, 0); 37 nvkm_wr32(device, 0x001708, 0); 38 nvkm_wr32(device, 0x00170c, tmp); 39 40 return nvkm_mc_init(mc); 41 } 42 43 struct nvkm_oclass * 44 nv44_mc_oclass = &(struct nvkm_mc_oclass) { 45 .base.handle = NV_SUBDEV(MC, 0x44), 46 .base.ofuncs = &(struct nvkm_ofuncs) { 47 .ctor = nv04_mc_ctor, 48 .dtor = _nvkm_mc_dtor, 49 .init = nv44_mc_init, 50 .fini = _nvkm_mc_fini, 51 }, 52 .intr = nv04_mc_intr, 53 .msi_rearm = nv40_mc_msi_rearm, 54 }.base; 55