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authorMatt Spinler <spinler@us.ibm.com>2017-03-09 11:23:17 -0600
committerMatt Spinler <spinler@us.ibm.com>2017-03-14 13:21:34 -0500
commit83e37327235e0f5eb39d4d66c16d72833394615d (patch)
tree7c8c6985d748f18ddf6361f24c32b7171c685b3b
parent6419b6387728fecc3558a601f254cffc9ed6d008 (diff)
downloadopenpower-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.am5
-rw-r--r--procedures/p9/start_host.cpp (renamed from p9_procedures.cpp)34
-rw-r--r--procedures/p9/vcs_workaround.cpp64
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);
+ }
+}
+
+}
+}
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