Remove engine1 from the I2C Master list for Centaur in devtree

While the processor and centaur I2C code is common, the centaur only
has one I2c master/engine (engine 0), where as the processor has two.
This commit removes engine 1 from the I2C Master list for Centaurs
in the devtree.

Change-Id: Icd4da919a126372949d30aa4b07d7b87ecf151d4
RTC: 129126
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/18046
Tested-by: Jenkins Server
Reviewed-by: William H. Schwartz <whs@us.ibm.com>
Reviewed-by: Corey V. Swenson <cswenson@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/usr/i2c/i2c.C b/src/usr/i2c/i2c.C
index 76d9c6444..eaac4b1c1 100755
--- a/src/usr/i2c/i2c.C
+++ b/src/usr/i2c/i2c.C
@@ -3135,10 +3135,18 @@ void getMasterInfo( const TARGETING::Target* i_chip,
                     std::list<MasterInfo_t>& o_info )
 {
     TRACDCOMP(g_trac_i2c,"getMasterInfo(%.8X)",TARGETING::get_huid(i_chip));
+    TARGETING::TYPE l_type = i_chip->getAttr<TARGETING::ATTR_TYPE>();
     for( uint32_t engine = 0;
          engine < I2C_BUS_ATTR_MAX_ENGINE;
          engine++ )
     {
+        // Only support engine 0 for centaur
+        if ( ( engine != 0 ) &&
+             ( l_type == TARGETING::TYPE_MEMBUF ) )
+        {
+            continue;
+        }
+
         MasterInfo_t info;
         info.scomAddr = 0x000A0000 + engine*0x20;
         info.engine = engine;
@@ -3147,6 +3155,8 @@ void getMasterInfo( const TARGETING::Target* i_chip,
         // Local Bus = PIB_CLK / 4
         info.freq = info.freq/16; //convert nest to local bus
 
+        TRACDCOMP(g_trac_i2c,"getMasterInfo(%.8X): pushing back engine=%d, scomAddr=0x%X",TARGETING::get_huid(i_chip), engine, info.scomAddr);
+
         o_info.push_back(info);
     }
 }