1 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/apple/macbookair4_2/gnvs.c b/src/mainboard/apple/macbookair4_2/gnvs.c
new file mode 100644
index 0000000000..37cd5c995e
--- /dev/null
+++ b/src/mainboard/apple/macbookair4_2/gnvs.c
@@ -0,0 +1,19 @@
+#include <southbridge/intel/bd82x6x/nvs.h>
+
+/* FIXME: check this function.  */
+void acpi_create_gnvs(global_nvs_t *gnvs)
+{
+	/* Disable USB ports in S3 by default */
+	gnvs->s3u0 = 0;
+	gnvs->s3u1 = 0;
+
+	/* Disable USB ports in S5 by default */
+	gnvs->s5u0 = 0;
+	gnvs->s5u1 = 0;
+
+	// the lid is open by default.
+	gnvs->lids = 1;
+
+	gnvs->tcrt = 100;
+	gnvs->tpsv = 90;
+}