Reset L3 error status register for next CE/UE capture

Change-Id: I92320a6bc869b9cd1df05483f2d58afdb0bfad13
CQ:SW419528
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55041
Reviewed-by: Kevin F. Reick <reick@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/55051
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/import/chips/p9/procedures/hwp/cache/p9_l3err_extract.C

@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2016,2017                        */
+/* Contributors Listed Below - COPYRIGHT 2016,2018                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -355,6 +355,13 @@ fapi2::ReturnCode p9_l3err_extract(
     o_err_data.hashed_real_address_45_56 = real_address45_56;
     o_err_data.cache_read_address = err_stat_ra;
 
+    // Reset error status register for next capture
+    FAPI_DBG("Clearing error status register for next capture");
+
+    FAPI_TRY(fapi2::putScom(i_target, EX_ED_RD_ERR_STAT_REG0, 0x0000000000000000),
+             "Error from clearing L3 error status register (L3_eDRAM_RD_ERR_STAT_Register_0)");
+
+
 fapi_try_exit:
     // mark HWP exit
     FAPI_DBG("Exiting ...");