diff options
Diffstat (limited to 'drivers/gpu/nvgpu/common/mc/mc.c')
-rw-r--r-- | drivers/gpu/nvgpu/common/mc/mc.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/common/mc/mc.c b/drivers/gpu/nvgpu/common/mc/mc.c new file mode 100644 index 00000000..77416ef9 --- /dev/null +++ b/drivers/gpu/nvgpu/common/mc/mc.c | |||
@@ -0,0 +1,54 @@ | |||
1 | /* | ||
2 | * GK20A Master Control | ||
3 | * | ||
4 | * Copyright (c) 2014-2018, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
7 | * copy of this software and associated documentation files (the "Software"), | ||
8 | * to deal in the Software without restriction, including without limitation | ||
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
10 | * and/or sell copies of the Software, and to permit persons to whom the | ||
11 | * Software is furnished to do so, subject to the following conditions: | ||
12 | * | ||
13 | * The above copyright notice and this permission notice shall be included in | ||
14 | * all copies or substantial portions of the Software. | ||
15 | * | ||
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
22 | * DEALINGS IN THE SOFTWARE. | ||
23 | */ | ||
24 | |||
25 | #include <nvgpu/io.h> | ||
26 | #include <nvgpu/mc.h> | ||
27 | |||
28 | #include "gk20a/gk20a.h" | ||
29 | |||
30 | #include <nvgpu/hw/gm20b/hw_mc_gm20b.h> | ||
31 | |||
32 | u32 nvgpu_mc_boot_0(struct gk20a *g, u32 *arch, u32 *impl, u32 *rev) | ||
33 | { | ||
34 | u32 val = __nvgpu_readl(g, mc_boot_0_r()); | ||
35 | |||
36 | if (val != 0xffffffffU) { | ||
37 | |||
38 | if (arch != NULL) { | ||
39 | *arch = mc_boot_0_architecture_v(val) << | ||
40 | NVGPU_GPU_ARCHITECTURE_SHIFT; | ||
41 | } | ||
42 | |||
43 | if (impl != NULL) { | ||
44 | *impl = mc_boot_0_implementation_v(val); | ||
45 | } | ||
46 | |||
47 | if (rev != NULL) { | ||
48 | *rev = (mc_boot_0_major_revision_v(val) << 4) | | ||
49 | mc_boot_0_minor_revision_v(val); | ||
50 | } | ||
51 | } | ||
52 | |||
53 | return val; | ||
54 | } | ||