I2C Device Driver Skeleton

Change-Id: I0b092ea67e5bb8789378041c8c3a6a3f5cf3025e
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/242
Reviewed-by: Terry J. Opie <opiet@us.ibm.com>
Tested-by: Jenkins Server

2 files changed, 119 insertions, 0 deletions

diff --git a/src/usr/i2c/test/i2ctest.H b/src/usr/i2c/test/i2ctest.H
new file mode 100755
index 000000000..3828cf889
--- /dev/null
+++ b/src/usr/i2c/test/i2ctest.H
@@ -0,0 +1,113 @@
+#ifndef __I2CTEST_H
+#define __I2CTEST_H
+
+/**
+ *  @file i2ctest.H
+ *
+ *  @brief Test case for I2C code
+*/
+
+#include <cxxtest/TestSuite.H>
+#include <errl/errlmanager.H>
+#include <errl/errlentry.H>
+#include <errl/errltypes.H>
+#include <devicefw/driverif.H>
+#include <i2c/i2creasoncodes.H>
+
+extern trace_desc_t* g_trac_i2c;
+
+using namespace TARGETING;
+
+// Address and data to read/write
+struct testI2CAddrData
+{
+    uint32_t addr;
+    uint64_t data;
+};
+
+// Test table values
+const testI2CAddrData g_i2cAddrTable[] =
+{
+        // Write data to be ORed with read value
+        {0x13030007, 0x0000040000000000},
+        {0x13010002, 0x00000C0000000000},
+};
+
+const uint32_t g_i2cmAddrTableSz =
+                    sizeof(g_i2cAddrTable)/sizeof(testI2CAddrData);
+
+
+class I2CTest: public CxxTest::TestSuite
+{
+public:
+
+    /**
+     * @brief I2C test #1
+     *        Write value and read back to verify
+     */
+    void testI2C1(void)
+    {
+        errlHndl_t l_err = NULL;
+        TS_TRACE( "I2C Test 1: its running!" );
+
+        do
+        {
+            TARGETING::TargetService& targetService = TARGETING::targetService();
+            TARGETING::Target* l_testTarget = NULL;
+            targetService.masterProcChipTargetHandle( l_testTarget );
+
+            if( NULL == l_testTarget )
+            {
+                TS_TRACE( "I2C Test - PROC test target is NULL!" );
+                break;
+            }
+
+            size_t l_size = sizeof(uint64_t);
+            testI2CAddrData l_testEntry = g_i2cAddrTable[0];
+
+            // --------------------------------------------
+            // NOTE: The following doesn't actually read
+            // or write any data, it is strictly there to
+            // prove that the interfaces are working.  The
+            // real tests will be added at a later time.
+            // --------------------------------------------
+
+            // Perform I2C write
+            uint64_t l_data = 0;
+
+            l_err = deviceOp( DeviceFW::WRITE, 
+                              l_testTarget,
+                              &l_data,
+                              l_size,
+                              DEVICE_I2C_ADDRESS(l_testEntry.addr) );
+
+            if( l_err )
+            {
+                break;
+            }
+
+            // Perform I2C read
+            l_err = deviceOp( DeviceFW::READ,
+                              l_testTarget,
+                              &l_data,
+                              l_size,
+                              DEVICE_I2C_ADDRESS(l_testEntry.addr) );
+
+
+        } while( 0 );
+
+        if (l_err)
+        {
+            TS_FAIL("testI2C1 failed!  Error committed.");
+                        errlCommit(l_err);
+        }
+        else
+        {
+            TS_TRACE("testI2C1 runs successfully!");
+        }
+
+        return;
+    }
+};
+
+#endif
diff --git a/src/usr/i2c/test/makefile b/src/usr/i2c/test/makefile
new file mode 100644
index 000000000..6e8623758
--- /dev/null
+++ b/src/usr/i2c/test/makefile
@@ -0,0 +1,6 @@
+ROOTPATH = ../../../..
+
+MODULE = testi2c
+TESTS = *.H
+
+include ${ROOTPATH}/config.mk