diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb
index 20d44bb100..0d1cc46c11 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb
@@ -72,7 +72,9 @@ chip soc/intel/apollolake
 		device pci 0e.0 on  end	# - Audio
 		device pci 0f.0 on  end	# - CSE
 		device pci 11.0 on  end	# - ISH
-		device pci 12.0 on  end	# - SATA
+		device pci 12.0 on	# - SATA
+			register "DisableSataSalpSupport" = "1"
+		end
 		device pci 13.0 on	# - RP 2 - PCIe A 0 - MACPHY
 			register "pcie_rp_clkreq_pin[2]" = "0"
 			register "pcie_rp_hotplug_enable[2]" = "0"
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb
index 1749636157..74402566cf 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb
@@ -70,7 +70,9 @@ chip soc/intel/apollolake
 		device pci 0e.0 on  end	# - Audio
 		device pci 0f.0 on  end	# - CSE
 		device pci 11.0 on  end	# - ISH
-		device pci 12.0 on  end	# - SATA
+		device pci 12.0 on	# - SATA
+			register "DisableSataSalpSupport" = "1"
+		end
 		device pci 13.0 on	# - RP 2 - PCIe A 0
 			register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED"
 			register "pcie_rp_hotplug_enable[2]" = "0"
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb
index 45cfd850f8..449230f44b 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb
@@ -67,7 +67,9 @@ chip soc/intel/apollolake
 		device pci 0e.0 on  end	# - Audio
 		device pci 0f.0 on  end	# - CSE
 		device pci 11.0 on  end	# - ISH
-		device pci 12.0 on  end	# - SATA
+		device pci 12.0 on	# - SATA
+			register "DisableSataSalpSupport" = "1"
+		end
 		device pci 13.0 on	# - RP 2 - PCIe A 0
 			register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED"
 			register "pcie_rp_hotplug_enable[2]" = "0"
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb
index 6f37848238..58791f3f10 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb
@@ -51,7 +51,9 @@ chip soc/intel/apollolake
 		device pci 0e.0 on  end	# - Audio
 		device pci 0f.0 on  end	# - CSE
 		device pci 11.0 on  end	# - ISH
-		device pci 12.0 on  end	# - SATA
+		device pci 12.0 on	# - SATA
+			register "DisableSataSalpSupport" = "1"
+		end
 		device pci 13.0 on	# - RP 2 - PCIe A 0
 			register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED"
 			register "pcie_rp_hotplug_enable[2]" = "0"
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb
index 2500e08670..c4c2e3df9a 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb
@@ -70,7 +70,9 @@ chip soc/intel/apollolake
 		device pci 0e.0 on  end	# - Audio
 		device pci 0f.0 on  end	# - CSE
 		device pci 11.0 on  end	# - ISH
-		device pci 12.0 on  end	# - SATA
+		device pci 12.0 on	# - SATA
+			register "DisableSataSalpSupport" = "1"
+		end
 		device pci 13.0 on	# - RP 2 - PCIe A 0
 			register "pcie_rp_clkreq_pin[2]" = "0"
 			register "pcie_rp_hotplug_enable[2]" = "0"
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb
index e058fdeb64..f75dc1cd86 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb
@@ -41,7 +41,9 @@ chip soc/intel/apollolake
 		device pci 0e.0 on  end	# - Audio
 		device pci 0f.0 on  end	# - CSE
 		device pci 11.0 on  end	# - ISH
-		device pci 12.0 on  end	# - SATA
+		device pci 12.0 on	# - SATA
+			register "DisableSataSalpSupport" = "1"
+		end
 		device pci 13.0 on	# - RP 2 - PCIe A 0
 			register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED"
 			register "pcie_rp_hotplug_enable[2]" = "0"