| /* |
| * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| /* Tegra vpr routines */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/arch/tegra.h> |
| #include <asm/arch/mc.h> |
| |
| /* Configures VPR. Right now, all we do is turn it off. */ |
| void config_vpr(void) |
| { |
| struct mc_ctlr *mc = (struct mc_ctlr *)NV_PA_MC_BASE; |
| |
| /* Turn VPR off */ |
| writel(0, &mc->mc_video_protect_size_mb); |
| writel(TEGRA_MC_VIDEO_PROTECT_REG_WRITE_ACCESS_DISABLED, |
| &mc->mc_video_protect_reg_ctrl); |
| /* read back to ensure the write went through */ |
| readl(&mc->mc_video_protect_reg_ctrl); |
| } |
