1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/syscall_mmio.C b/src/lib/syscall_mmio.C
index 535e22d39..1a0de8a9f 100644
--- a/src/lib/syscall_mmio.C
+++ b/src/lib/syscall_mmio.C
@@ -66,12 +66,15 @@ void mmio_hmer_write(uint64_t value)
  */
 static uint64_t mmio_scratch_base()
 {
+    // @todo-RTC:130438 Verify value for P9
     ProcessorCoreType cpuType = CpuID::getCpuType();
     switch (cpuType)
     {
         case CORE_POWER8_MURANO:
         case CORE_POWER8_VENICE:
         case CORE_POWER8_NAPLES:
+        case CORE_POWER9_NIMBUS:
+        case CORE_POWER9_CUMULUS:
         case CORE_UNKNOWN:
         default:
             return 0x40;