diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c
index e4b19c2..4ffa437 100644
--- a/arch/x86/cpu/quark/quark.c
+++ b/arch/x86/cpu/quark/quark.c
@@ -72,6 +72,15 @@
 		       CONFIG_PCIE_ECAM_BASE | MEM_BAR_EN);
 }
 
+static void quark_enable_legacy_seg(void)
+{
+	u32 hmisc2;
+
+	hmisc2 = msg_port_read(MSG_PORT_HOST_BRIDGE, HMISC2);
+	hmisc2 |= (HMISC2_SEGE | HMISC2_SEGF | HMISC2_SEGAB);
+	msg_port_write(MSG_PORT_HOST_BRIDGE, HMISC2, hmisc2);
+}
+
 int arch_cpu_init(void)
 {
 	struct pci_controller *hose;
@@ -96,6 +105,9 @@
 	 */
 	quark_setup_bars();
 
+	/* Turn on legacy segments (A/B/E/F) decode to system RAM */
+	quark_enable_legacy_seg();
+
 	unprotect_spi_flash();
 
 	return 0;