diff --git a/sys/arm64/qoriq/qoriq_dw_pci.c b/sys/arm64/qoriq/qoriq_dw_pci.c
--- a/sys/arm64/qoriq/qoriq_dw_pci.c
+++ b/sys/arm64/qoriq/qoriq_dw_pci.c
@@ -101,7 +101,13 @@
 /* Compatible devices. */
 static struct ofw_compat_data compat_data[] = {
 	{"fsl,ls1012a-pcie", (uintptr_t)&ls1012_cfg},
+	/*
+	 * XXX: On LS1028ARDB attaching this driver causes external abort.
+	 * Disable it for now.
+	 */
+#ifdef notyet
 	{"fsl,ls1028a-pcie", (uintptr_t)&ls2028_cfg},
+#endif
 	{"fsl,ls1043a-pcie", (uintptr_t)&ls1043_cfg},
 	{"fsl,ls1046a-pcie", (uintptr_t)&ls1012_cfg},
 	{"fsl,ls2080a-pcie", (uintptr_t)&ls2080_cfg},