blob: 864dbb3f4d9311b70b250aa8c50b9d53ac4345d5 [file] [log] [blame]
Matt Spinler4bf58972017-03-28 16:01:52 -05001/**
Patrick Venturee84b4dd2018-11-01 16:06:31 -07002 * Copyright (C) 2017 IBM Corporation
Matt Spinler4bf58972017-03-28 16:01:52 -05003 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16#include "cfam_access.hpp"
17#include "p9_cfam.hpp"
18#include "registration.hpp"
19#include "targeting.hpp"
20
21namespace openpower
22{
23namespace p9
24{
25
26using namespace openpower::cfam::access;
27using namespace openpower::cfam::p9;
28using namespace openpower::targeting;
29
Matt Spinler4bf58972017-03-28 16:01:52 -050030/**
31 * @Brief Sets the P9 FSI clock to synchronous mode.
32 */
33void setSynchronousFSIClock()
34{
35 Targeting targets;
36 const auto& master = *(targets.begin());
37
Patrick Venturef78d9042018-11-01 15:39:53 -070038 // Set bit 31 to 0
Matt Spinler4bf58972017-03-28 16:01:52 -050039 writeRegWithMask(master, P9_LL_MODE_REG, 0x00000000, 0x00000001);
40}
41
Brad Bishop63508a72020-10-27 18:55:01 -040042REGISTER_PROCEDURE("setSyncFSIClock", setSynchronousFSIClock)
Matt Spinler4bf58972017-03-28 16:01:52 -050043
Patrick Venturef78d9042018-11-01 15:39:53 -070044} // namespace p9
45} // namespace openpower