Inband MMIO access to OCMB

This is an untested version of the new MMIO device driver that
will give access to the OCMB.  It will be tested once the Axone
model IPLs in Simics.

Change-Id: I4bc1d2f7306f1b238d1d65c24462ac4121266b11
RTC: 189447
RTC: 189220
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/66941
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>

2 files changed, 140 insertions, 0 deletions

diff --git a/src/usr/mmio/test/makefile b/src/usr/mmio/test/makefile
new file mode 100644
index 000000000..133f3ca44
--- /dev/null
+++ b/src/usr/mmio/test/makefile
@@ -0,0 +1,31 @@
+# IBM_PROLOG_BEGIN_TAG
+# This is an automatically generated prolog.
+#
+# $Source: src/usr/mmio/test/makefile $
+#
+# OpenPOWER HostBoot Project
+#
+# Contributors Listed Below - COPYRIGHT 2011,2018
+# [+] International Business Machines Corp.
+#
+#
+# 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.
+#
+# IBM_PROLOG_END_TAG
+ROOTPATH = ../../../..
+
+MODULE = testmmio
+TESTS = *.H
+
+
+include ${ROOTPATH}/config.mk
diff --git a/src/usr/mmio/test/mmiotest.H b/src/usr/mmio/test/mmiotest.H
new file mode 100644
index 000000000..f7abd7816
--- /dev/null
+++ b/src/usr/mmio/test/mmiotest.H
@@ -0,0 +1,109 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/mmio/test/mmiotest.H $                                */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2011,2018                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* 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.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+#include <cxxtest/TestSuite.H>
+#include <errl/errlmanager.H>
+#include <errl/errlentry.H>
+#include <limits.h>
+#include <devicefw/driverif.H>
+#include <mmio/mmio.H>
+
+extern trace_desc_t* g_trac_mmio;
+
+class MmioTest : public CxxTest::TestSuite
+{
+  public:
+
+    /**
+     * @brief Test valid MMIO calls
+     */
+    void test_Valid(void)
+    {
+        TRACFCOMP( g_trac_mmio, "MmioTest::test_Valid> Start" );
+
+        uint64_t fails = 0;
+        uint64_t total = 0;
+        errlHndl_t l_err = nullptr;
+        uint64_t regdata = 0;
+        size_t op_size = sizeof(uint64_t);
+
+// TODO RTC 202533 - enable this test once the Axone model is IPLing
+// successfully in Simics.
+#if 0
+        // Get OCMB target, return if there is no OCMB
+        TARGETING::TargetHandle_t   ocmb_target = nullptr;
+        TARGETING::TargetHandleList ocmb_target_list;
+        getAllChips(ocmb_target_list, TARGETING::TYPE_OCMB_CHIP);
+        if (ocmb_target_list.size() == 0)
+        {
+            TRACFCOMP(g_trac_fsiscom, "MmioTest::test_Valid> Target is NULL");
+            TS_INFO("MmioTest::test_Valid> Target is NULL");
+            return;
+        }
+        ocmb_target = ocmb_target_list[0];
+
+        // read
+        ++total;
+        l_err = MMIO::mmioPerformOp(
+                          DeviceFW::READ,
+                          ocmb_target,
+                          &regdata,
+                          op_size,
+                          0x0,
+                          op_size);
+        if(l_err != nullptr)
+        {
+            TRACFCOMP(g_trac_mmio,
+                      "MmioTest::test_Valid> Error for read, RC=0x%04X",
+                      ERRL_GETRC_SAFE(l_err));
+            TS_FAIL("MmioTest::test_Valid> Error for read, RC=0x%04X",
+                    ERRL_GETRC_SAFE(l_err));
+            ++fails;
+            errlCommit(l_err, MMIO_COMP_ID);
+        }
+
+        // write
+        ++total;
+        l_err = MMIO::mmioPerformOp(
+                          DeviceFW::WRITE,
+                          ocmb_target,
+                          &regdata,
+                          op_size,
+                          0x08,
+                          op_size);
+        if(l_err != nullptr)
+        {
+            TRACFCOMP(g_trac_mmio,
+                      "MmioTest::test_Valid> Error for write, RC=0x%04X",
+                      ERRL_GETRC_SAFE(l_err));
+            TS_FAIL("MmioTest::test_Valid> Error for write, RC=0x%04X",
+                    ERRL_GETRC_SAFE(l_err));
+            ++fails;
+            errlCommit(l_err, MMIO_COMP_ID);
+        }
+#endif
+
+        TRACFCOMP(g_trac_mmio, "Mmio::test_Valid> %d/%d fails", fails, total);
+    };
+};