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author | Matt Spinler <spinler@us.ibm.com> | 2017-03-09 11:23:17 -0600 |
---|---|---|
committer | Matt Spinler <spinler@us.ibm.com> | 2017-03-14 13:21:34 -0500 |
commit | 83e37327235e0f5eb39d4d66c16d72833394615d (patch) | |
tree | 7c8c6985d748f18ddf6361f24c32b7171c685b3b | |
parent | 6419b6387728fecc3558a601f254cffc9ed6d008 (diff) | |
download | openpower-proc-control-83e37327235e0f5eb39d4d66c16d72833394615d.tar.gz openpower-proc-control-83e37327235e0f5eb39d4d66c16d72833394615d.zip |
Move procedures into separate files.
Procedures will now be in procedures/<chip>/.
The next commit will have the procedures register
themselves so they won't be in a hardcoded list.
Change-Id: I0ff90afe2b51aaff25b5c25bf87070c820323e30
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
-rw-r--r-- | Makefile.am | 5 | ||||
-rw-r--r-- | procedures/p9/start_host.cpp (renamed from p9_procedures.cpp) | 34 | ||||
-rw-r--r-- | procedures/p9/vcs_workaround.cpp | 64 |
3 files changed, 73 insertions, 30 deletions
diff --git a/Makefile.am b/Makefile.am index 73ea204..57c0e2c 100644 --- a/Makefile.am +++ b/Makefile.am @@ -6,9 +6,10 @@ sbin_PROGRAMS = \ openpower_proc_control_SOURCES = \ proc_control.cpp \ cfam_access.cpp \ - p9_procedures.cpp \ filedescriptor.cpp \ - targeting.cpp + targeting.cpp \ + procedures/p9/start_host.cpp \ + procedures/p9/vcs_workaround.cpp openpower_proc_control_LDFLAGS = $(PHOSPHOR_LOGGING_LIBS) -lstdc++fs openpower_proc_control_CXXFLAGS = $(PHOSPHOR_LOGGING_CFLAGS) diff --git a/p9_procedures.cpp b/procedures/p9/start_host.cpp index 188fec0..f781e68 100644 --- a/p9_procedures.cpp +++ b/procedures/p9/start_host.cpp @@ -28,6 +28,11 @@ using namespace openpower::cfam::access; using namespace openpower::cfam::p9; using namespace openpower::targeting; + +/** + * @brief Starts the self boot engine on P9 position 0 to kick off a boot. + * @return void + */ void startHost() { Targeting targets; @@ -36,7 +41,6 @@ void startHost() log<level::INFO>("Running P9 procedure startHost", entry("NUM_PROCS=%d", targets.size())); - //Ensure asynchronous clock mode is set writeReg(master, P9_LL_MODE_REG, 0x00000001); @@ -68,32 +72,6 @@ void startHost() } -void vcsWorkaround() -{ - Targeting targets; - const auto& master = *(targets.begin()); - - log<level::INFO>("Running P9 procedure vcsWorkaround", - entry("NUM_PROCS=%d", targets.size())); - - //Set asynchronous clock mode - writeReg(master, P9_LL_MODE_REG, 0x00000001); - - for (const auto& t : targets) - { - //Unfence PLL controls - writeRegWithMask(t, P9_ROOT_CTRL0, - 0x00000000, 0x00010000); - - //Assert Perv chiplet endpoint reset - writeRegWithMask(t, P9_PERV_CTRL0, - 0x40000000, 0x40000000); - - //Enable Nest PLL - writeRegWithMask(t, P9_PERV_CTRL0, - 0x00000001, 0x00000001); - } -} - } } + diff --git a/procedures/p9/vcs_workaround.cpp b/procedures/p9/vcs_workaround.cpp new file mode 100644 index 0000000..64b41c1 --- /dev/null +++ b/procedures/p9/vcs_workaround.cpp @@ -0,0 +1,64 @@ +/** + * Copyright © 2017 IBM Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include <phosphor-logging/log.hpp> +#include "cfam_access.hpp" +#include "p9_cfam.hpp" +#include "targeting.hpp" + +namespace openpower +{ +namespace p9 +{ + +using namespace phosphor::logging; +using namespace openpower::cfam::access; +using namespace openpower::cfam::p9; +using namespace openpower::targeting; + + +/** + * @brief Performs the 'VCS Workaround' on all P9s in the system. + * @return void + */ +void vcsWorkaround() +{ + Targeting targets; + const auto& master = *(targets.begin()); + + log<level::INFO>("Running P9 procedure vcsWorkaround", + entry("NUM_PROCS=%d", targets.size())); + + //Set asynchronous clock mode + writeReg(master, P9_LL_MODE_REG, 0x00000001); + + for (const auto& t : targets) + { + //Unfence PLL controls + writeRegWithMask(t, P9_ROOT_CTRL0, + 0x00000000, 0x00010000); + + //Assert Perv chiplet endpoint reset + writeRegWithMask(t, P9_PERV_CTRL0, + 0x40000000, 0x40000000); + + //Enable Nest PLL + writeRegWithMask(t, P9_PERV_CTRL0, + 0x00000001, 0x00000001); + } +} + +} +} |