diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_core.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_core.C | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_core.C b/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_core.C index e3cc00849..4f365c3d9 100644 --- a/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_core.C +++ b/src/import/chips/p9/procedures/hwp/pm/p9_cpu_special_wakeup_core.C @@ -60,14 +60,23 @@ fapi2::ReturnCode p9_cpu_special_wakeup_core( FAPI_INF(">> p9_cpu_special_wakeup_core"); fapi2::ReturnCode l_rc; uint8_t l_spWakeUpInProg = 0; + uint8_t l_corePos = 0; + uint8_t l_autoSpWkUpEn = 0; ProcessingValues_t l_processing_info; + fapi2::buffer<uint64_t> l_autoSpWkUp; + fapi2::buffer<uint64_t> l_sgpeActive; + auto l_exTarget = i_target.getParent<fapi2::TARGET_TYPE_EX>(); auto l_eqTarget = i_target.getParent<fapi2::TARGET_TYPE_EQ>(); + auto l_procChip = i_target.getParent<fapi2::TARGET_TYPE_PROC_CHIP>(); + FAPI_TRY( getScom( l_procChip, PU_OCB_OCI_OCCFLG_SCOM, l_sgpeActive ) ); + FAPI_ATTR_GET( fapi2::ATTR_CHIP_UNIT_POS, i_target, l_corePos ); FAPI_ATTR_GET( fapi2::ATTR_CORE_INSIDE_SPECIAL_WAKEUP, i_target, l_spWakeUpInProg ); + // A special wakeup is already in progress. In all likelyhood, a special // wakeup has timed out and we are in FFDC collection path. During this // FFDC collection, we SCOMed a register which itself needs a special @@ -81,6 +90,24 @@ fapi2::ReturnCode p9_cpu_special_wakeup_core( p9specialWakeup::blockWakeupRecurssion( l_eqTarget, p9specialWakeup::BLOCK ); + //Special wakeup request can't be serviced if + //SGPE did not boot and auto-special wakeup is not enabled. + if( !l_sgpeActive.getBit( SGPE_ACTIVE_BIT ) ) + { + l_rc = getScom( l_exTarget, EQ_CME_SCOM_LMCR_SCOM, l_autoSpWkUp ); + + if( !l_rc ) + { + l_autoSpWkUpEn = + l_autoSpWkUp.getBit( AUTO_SPWKUP_DIS_POS + ((l_corePos >> 1) & 0x01) ) ? 0 : 1; + } + + FAPI_ASSERT( (!l_rc && l_autoSpWkUpEn ), + fapi2::CORE_SPECIAL_WAKEUP_NOT_FEASIBLE() + .set_CORE_POS( l_corePos ), + "Special Wakeup Request Cannot Be Serviced on This Core" ); + } + l_rc = _special_wakeup<fapi2::TARGET_TYPE_CORE> ( i_target, i_operation, @@ -92,8 +119,9 @@ fapi2::ReturnCode p9_cpu_special_wakeup_core( collectCoreTimeoutFailInfo( i_target, l_processing_info ); } - p9specialWakeup::blockWakeupRecurssion( l_eqTarget, p9specialWakeup::UNBLOCK ); +fapi_try_exit: + p9specialWakeup::blockWakeupRecurssion( l_eqTarget, p9specialWakeup::UNBLOCK ); FAPI_INF("<< p9_cpu_special_wakeup_core" ); return fapi2::current_err; } |
