mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-16 23:18:51 +09:00
![Tom Rini](/assets/img/avatar_default.png)
In a number of places we had wordings of the GPL (or LGPL in a few cases) license text that were split in such a way that it wasn't caught previously. Convert all of these to the correct SPDX-License-Identifier tag. Signed-off-by: Tom Rini <trini@konsulko.com>
52 lines
977 B
C
52 lines
977 B
C
/*
|
|
* Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0
|
|
*/
|
|
|
|
/* Tegra vpr routines */
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/tegra.h>
|
|
#include <asm/arch/mc.h>
|
|
|
|
#include <fdt_support.h>
|
|
|
|
static bool _configured;
|
|
|
|
void tegra_gpu_config(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);
|
|
|
|
debug("configured VPR\n");
|
|
|
|
_configured = true;
|
|
}
|
|
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
|
|
int tegra_gpu_enable_node(void *blob, const char *gpupath)
|
|
{
|
|
int offset;
|
|
|
|
if (_configured) {
|
|
offset = fdt_path_offset(blob, gpupath);
|
|
if (offset > 0) {
|
|
fdt_status_okay(blob, offset);
|
|
debug("enabled GPU node %s\n", gpupath);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|