diff --git a/src/mainboard/up/squared/devicetree.cb b/src/mainboard/up/squared/devicetree.cb
index d7281a6cd8..da2ff06f6a 100644
--- a/src/mainboard/up/squared/devicetree.cb
+++ b/src/mainboard/up/squared/devicetree.cb
@@ -16,6 +16,10 @@ chip soc/intel/apollolake
 
 	register "enable_vtd" = "1"
 
+	# Override eMMC MaxHostSpeed
+	# 0:HS400 (Default) 1:HS200 2:DDR50
+	register "emmc_host_max_speed" = "1"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end
diff --git a/src/mainboard/up/squared/ramstage.c b/src/mainboard/up/squared/ramstage.c
index 8295634dcb..a5cc5d465b 100644
--- a/src/mainboard/up/squared/ramstage.c
+++ b/src/mainboard/up/squared/ramstage.c
@@ -30,7 +30,6 @@ void mainboard_silicon_init_params(FSP_S_CONFIG *silconfig)
 	silconfig->IoApicBdfValid = 0x1;		// 0x0
 	silconfig->IoApicDeviceNumber = 0x1F;		// 0xf
 	silconfig->LPSS_S0ixEnable = 0x1;		// 0x0
-	silconfig->eMMCHostMaxSpeed = 0x2;		// 0x0
 	silconfig->Usb30Mode = 0x1;			// 0x0
 	silconfig->HdAudioDspUaaCompliance = 0x1;	// 0x0
 	silconfig->InitS3Cpu = 0x1;			// 0x0