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-rw-r--r--src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
index e1c297274c..74d0f26e42 100644
--- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
@@ -135,6 +135,9 @@ chip soc/intel/elkhartlake
.vcc_low_high_us = 50,
}"
+ # Disable L1 prefetcher for real-time demands
+ register "L1_prefetcher_disable" = "true"
+
device domain 0 on
device pci 00.0 on end # Host Bridge
device pci 02.0 on end # Integrated Graphics Device