P9 I/O Read Erepair Level 2

Change-Id: I44bf4876db1eb564729957dc137a38146131d722
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/22183
Tested-by: Jenkins Server
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/38892
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

2 files changed, 48 insertions, 12 deletions

diff --git a/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.C b/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.C
index 10992eb35..cbae9d67d 100644
--- a/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.C
+++ b/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.C
@@ -30,7 +30,7 @@
 /// *HWP HWP Backup Owner : Gary Peterson <garyp@us.ibm.com>
 /// *HWP FW Owner         : Jamie Knight <rjknight@us.ibm.com>
 /// *HWP Team             : IO
-/// *HWP Level            : 1
+/// *HWP Level            : 2
 /// *HWP Consumed by      : FSP:HB
 ///----------------------------------------------------------------------------
 ///
@@ -50,6 +50,8 @@
 // Includes
 // ----------------------------------------------------------------------------
 #include "p9_io_xbus_read_erepair.H"
+#include "p9_io_gcr.H"
+#include "p9_io_regs.H"
 
 // ----------------------------------------------------------------------------
 // Procedure Function
@@ -58,22 +60,54 @@
 
 /**
  * @brief A HWP that runs Read eRepair. This procedure reads the current bad
- * lanes and passes by reference the lane numbers in a vector
- * @param[in] i_target Reference to Target
- * @param[out] o_bad_lanes Vector of bad lanes
+ * lanes and passes by reference the lane numbers in a vector.
+ * @param[in] i_target        Reference to Target
+ * @param[in] i_clock_group   Clock Group of Target
+ * @param[out] o_bad_lanes    Vector of bad lanes
  * @retval ReturnCode
  */
 fapi2::ReturnCode
 p9_io_xbus_read_erepair(const fapi2::Target < fapi2::TARGET_TYPE_XBUS >& i_target,
+                        const uint8_t& i_clock_group,
                         std::vector< uint8_t >& o_bad_lanes)
 {
     FAPI_IMP("Entering...");
-    fapi2::ReturnCode rc = 0;
-#if 0
+
+    fapi2::ReturnCode rc           = fapi2::FAPI2_RC_SUCCESS;
+    const uint16_t BAD_LANES_3PLUS = 3;
+    const uint16_t BAD_LANES_2     = 2;
+    const uint16_t BAD_LANES_1     = 1;
+    const uint16_t BAD_LANES_0     = 0;
+    Register < EDIP_RX_GLBSM_STAT9_E_PG > rx_bad_lanes_reg;
+
+    o_bad_lanes.clear();
+
+    FAPI_TRY(rx_bad_lanes_reg.read(i_target, i_clock_group), "Reading Bad Lane Code Failed.");
+    FAPI_DBG( "Bad Lane Code: %d", rx_bad_lanes_reg.get<EDIP_RX_BAD_LANE_CODE>() );
+
+    switch( rx_bad_lanes_reg.get<EDIP_RX_BAD_LANE_CODE>() )
+    {
+        case BAD_LANES_3PLUS:
+            FAPI_DBG( "Bad Lane: Three or more bad lanes found." );
+
+        case BAD_LANES_2:
+            FAPI_DBG( "Bad Lane 2: %d", rx_bad_lanes_reg.get<EDIP_RX_BAD_LANE2>() );
+            o_bad_lanes.push_back( (uint8_t)rx_bad_lanes_reg.get<EDIP_RX_BAD_LANE2>() );
+
+        case BAD_LANES_1:
+            FAPI_DBG( "Bad Lane 1: %d", rx_bad_lanes_reg.get<EDIP_RX_BAD_LANE1>() );
+            o_bad_lanes.push_back( (uint8_t)rx_bad_lanes_reg.get<EDIP_RX_BAD_LANE1>() );
+            break;
+
+        case BAD_LANES_0:
+            FAPI_DBG( "No Bad Lanes" );
+
+        default:
+            break;
+    }
 
 fapi_try_exit:
-#endif
     FAPI_IMP("Exiting...");
-    return fapi2::FAPI2_RC_SUCCESS;
+    return fapi2::current_err;
 }
 
diff --git a/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.H b/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.H
index c8f2f637d..24b84e0b4 100644
--- a/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.H
+++ b/src/import/chips/p9/procedures/hwp/io/p9_io_xbus_read_erepair.H
@@ -27,7 +27,7 @@
 /// *HWP HWP Backup Owner : Gary Peterson <garyp@us.ibm.com>
 /// *HWP FW Owner         : Jamie Knight <rjknight@us.ibm.com>
 /// *HWP Team             : IO
-/// *HWP Level            : 1
+/// *HWP Level            : 2
 /// *HWP Consumed by      : FSP:HB
 ///----------------------------------------------------------------------------
 
@@ -41,7 +41,7 @@
 
 // function pointer typedef definition for HWP call support
 typedef fapi2::ReturnCode (*p9_io_xbus_read_erepair_FP_t)
-(const fapi2::Target < fapi2::TARGET_TYPE_XBUS >&, std::vector< uint8_t >&);
+(const fapi2::Target < fapi2::TARGET_TYPE_XBUS >&, const uint8_t&, std::vector< uint8_t >&);
 
 
 extern "C"
@@ -49,12 +49,14 @@ extern "C"
     /**
      * @brief A HWP that runs Read eRepair. This procedure reads the current bad
      * lanes and passes by reference the lane numbers in a vector
-     * @param[in] i_target Reference to Target
-     * @param[out] o_bad_lanes Vector of bad lanes
+     * @param[in] i_target        Reference to Target
+     * @param[in] i_clock_group   Clock Group of Target
+     * @param[out] o_bad_lanes    Vector of bad lanes
      * @retval ReturnCode
      */
     fapi2::ReturnCode
     p9_io_xbus_read_erepair(const fapi2::Target< fapi2::TARGET_TYPE_XBUS >& i_target,
+                            const uint8_t& i_clock_group,
                             std::vector< uint8_t >& o_bad_lanes);
 
 } // extern "C"