PM: set PGPE and SGPE Timer Select

- Writes fixed values for FIT and watchdog timers on both engines
- Needed for DD2 as DD1 was done with initfile settings
- Will work for either DD level

Change-Id: I8fa0a5a20091016e4210b7c81b0297bded7ade62
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42496
Reviewed-by: RAHUL BATRA <rbatra@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Michael S. Floyd <mfloyd@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Jennifer A Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42500
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>

src/import/chips/p9/procedures/hwp/pm/p9_pm_pstate_gpe_init.C

@@ -134,6 +134,15 @@ fapi2::ReturnCode pstate_gpe_init(
             FAPI_TRY(putScom(i_target, PU_OCB_OCI_OCCFLG_SCOM2, BIT(p9hcd::PGPE_PSTATE_PROTOCOL_AUTO_ACTIVATE)));
         }
 
+        // Setup the PGPE Timer Selects
+        // These hardcoded values are assumed by the PGPE Hcode for setting up
+        // the FIT and Watchdog values a based on the nest frequency that is
+        // passed to it via the PGPE header.
+        l_data64.flush<0>()
+        .insertFromRight<0, 4>(0x1)    // Watchdog
+        .insertFromRight<4, 4>(0xA);   // FIT
+        FAPI_TRY(fapi2::putScom(i_target, PU_GPE2_GPETSEL_SCOM, l_data64));
+
         // Program XCR to ACTIVATE PGPE
         // @todo RTC 146665 Operations to PPEs should use a p9ppe namespace
         FAPI_INF("   Starting the PGPE...");

src/import/chips/p9/procedures/hwp/pm/p9_pm_stop_gpe_init.C

@@ -282,6 +282,14 @@ fapi2::ReturnCode p9_pm_stop_gpe_init(
             }
         }
 
+        // Setup the SGPE Timer Selects
+        // These hardcoded values are assumed by the SGPE Hcode for setting up
+        // the FIT and Watchdog values.
+        l_data64.flush<0>()
+        .insertFromRight<0, 4>(0x1)     // Watchdog
+        .insertFromRight<4, 4>(0xA);    // FIT
+        FAPI_TRY(fapi2::putScom(i_target, PU_GPE3_GPETSEL_SCOM, l_data64));
+
         // Boot the STOP GPE
         FAPI_TRY(stop_gpe_init(i_target), "ERROR: failed to initialize Stop GPE");