diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c
index ec556d3..096c34f 100644
--- a/arch/x86/cpu/irq.c
+++ b/arch/x86/cpu/irq.c
@@ -116,10 +116,16 @@
 			return -EINVAL;
 	}
 
-	ret = fdtdec_get_int(blob, node, "intel,pirq-link", -1);
-	if (ret == -1)
-		return ret;
-	priv->link_base = ret;
+	cell = fdt_getprop(blob, node, "intel,pirq-link", &len);
+	if (!cell || len != 8)
+		return -EINVAL;
+	priv->link_base = fdt_addr_to_cpu(cell[0]);
+	priv->link_num = fdt_addr_to_cpu(cell[1]);
+	if (priv->link_num > CONFIG_MAX_PIRQ_LINKS) {
+		debug("Limiting supported PIRQ link number from %d to %d\n",
+		      priv->link_num, CONFIG_MAX_PIRQ_LINKS);
+		priv->link_num = CONFIG_MAX_PIRQ_LINKS;
+	}
 
 	priv->irq_mask = fdtdec_get_int(blob, node,
 					"intel,pirq-mask", PIRQ_BITMAP);
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index bfa58cf..9ac91f2 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -29,6 +29,7 @@
  *
  * @config:	PIRQ_VIA_PCI or PIRQ_VIA_IBASE
  * @link_base:	link value base number
+ * @link_num:	number of PIRQ links supported
  * @irq_mask:	IRQ mask reprenting the 16 IRQs in 8259, bit N is 1 means
  *		IRQ N is available to be routed
  * @lb_bdf:	irq router's PCI bus/device/function number encoding
@@ -39,6 +40,7 @@
 struct irq_router {
 	int config;
 	u32 link_base;
+	int link_num;
 	u16 irq_mask;
 	u32 bdf;
 	u32 ibase;