diff options
Diffstat (limited to 'src/usr/devtree/bld_devtree.C')
| -rw-r--r-- | src/usr/devtree/bld_devtree.C | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/usr/devtree/bld_devtree.C b/src/usr/devtree/bld_devtree.C index a311efe04..60f8b32fa 100644 --- a/src/usr/devtree/bld_devtree.C +++ b/src/usr/devtree/bld_devtree.C @@ -90,7 +90,69 @@ enum BuildConstants CEN_ID_TAG = 0x80000000, }; +// Opal will set this FIR bit any time a non-checkstop hardware error +// leads to a crash. PRD will use this FIR bit to analyze appropriately. +void bld_swCheckstopFir (devTree * i_dt, dtOffset_t & i_parentNode) +{ + const uint32_t PBEASTFIR_OR = 0x02010c82; + const uint32_t PBEASTFIR_MASK_AND = 0x02010c84; + const uint32_t PBEASTFIR_ACT0 = 0x02010c86; + const uint32_t PBEASTFIR_ACT1 = 0x02010c87; + uint64_t BIT_31_MASK = 0xfffffffeffffffff; + uint64_t l_data = 0; + errlHndl_t l_errl = NULL; + + do + { + TARGETING::Target * l_proc = NULL; + (void)TARGETING::targetService().masterProcChipTargetHandle(l_proc); + size_t opsize = sizeof(uint64_t); + + // clear PBEASTFIR_ACT0 bit 31 + l_errl = deviceRead( l_proc, + &l_data, + opsize, + DEVICE_SCOM_ADDRESS(PBEASTFIR_ACT0) ); + if (l_errl) break; + l_data &= BIT_31_MASK; + l_errl = deviceWrite( l_proc, + &l_data, + opsize, + DEVICE_SCOM_ADDRESS(PBEASTFIR_ACT0) ); + if (l_errl) break; + + // clear PBEASTFIR_ACT1 bit 31 + l_errl = deviceRead( l_proc, + &l_data, + opsize, + DEVICE_SCOM_ADDRESS(PBEASTFIR_ACT1) ); + if (l_errl) break; + l_data &= BIT_31_MASK; + l_errl = deviceWrite( l_proc, + &l_data, + opsize, + DEVICE_SCOM_ADDRESS(PBEASTFIR_ACT1) ); + if (l_errl) break; + + // clear PBEASTFIR_MASK bit 31 using the AND register + l_errl = deviceWrite( l_proc, + &BIT_31_MASK, + opsize, + DEVICE_SCOM_ADDRESS(PBEASTFIR_MASK_AND) ); + if (l_errl) break; + + // add devtree property + uint32_t cellProperties [2] = {PBEASTFIR_OR,31}; // PBEASTFIR[31] + i_dt->addPropertyCells32(i_parentNode, + "ibm,sw-checkstop-fir", + cellProperties, 2); + } while (0); + if (l_errl) // commit error and keep going + { + errlCommit(l_errl, DEVTREE_COMP_ID); + } +} //@todo-RTC:123043 -- Should use the functions in RT_TARG uint32_t getProcChipId(const TARGETING::Target * i_pProc) @@ -1031,6 +1093,9 @@ errlHndl_t bld_fdt_system(devTree * i_dt, bool i_smallTree) // Nothing to do for small trees currently. if (!i_smallTree) { + /* Add devtree property for checkstop escalation */ + bld_swCheckstopFir(i_dt,rootNode); + //===== compatible ===== /* Fetch the MRW-defined compatible model from attributes */ ATTR_OPAL_MODEL_type l_model = {0}; |
