cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nv50.c (2075B)

      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 "priv.h"
     25
     26static const struct nvkm_mc_map
     27nv50_mc_intr[] = {
     28	{ 0x04000000, NVKM_ENGINE_DISP },
     29	{ 0x00001000, NVKM_ENGINE_GR },
     30	{ 0x00000100, NVKM_ENGINE_FIFO },
     31	{ 0x00000001, NVKM_ENGINE_MPEG },
     32	{ 0x00001101, NVKM_SUBDEV_FB },
     33	{ 0x10000000, NVKM_SUBDEV_BUS },
     34	{ 0x00200000, NVKM_SUBDEV_GPIO },
     35	{ 0x00200000, NVKM_SUBDEV_I2C },
     36	{ 0x00100000, NVKM_SUBDEV_TIMER },
     37	{},
     38};
     39
     40void
     41nv50_mc_init(struct nvkm_mc *mc)
     42{
     43	struct nvkm_device *device = mc->subdev.device;
     44	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything on */
     45}
     46
     47static const struct nvkm_mc_func
     48nv50_mc = {
     49	.init = nv50_mc_init,
     50	.intr = nv50_mc_intr,
     51	.intr_unarm = nv04_mc_intr_unarm,
     52	.intr_rearm = nv04_mc_intr_rearm,
     53	.intr_stat = nv04_mc_intr_stat,
     54	.reset = nv17_mc_reset,
     55};
     56
     57int
     58nv50_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
     59{
     60	return nvkm_mc_new_(&nv50_mc, device, type, inst, pmc);
     61}