diff --git a/sys/arm/mv/common.c b/sys/arm/mv/common.c
index d31e0819762c..a14225949c25 100644
--- a/sys/arm/mv/common.c
+++ b/sys/arm/mv/common.c
@@ -261,6 +261,8 @@ soc_identify(void)
 			rev = "Z0";
 		else if (r == 2)
 			rev = "A0";
+		else if (r == 3)
+			rev = "A1";
 		break;
 	case MV_DEV_MV78100_Z0:
 		dev = "Marvell MV78100 Z0";
diff --git a/sys/arm/mv/kirkwood/kirkwood.c b/sys/arm/mv/kirkwood/kirkwood.c
index 1be6d4580f54..cc60afe26536 100644
--- a/sys/arm/mv/kirkwood/kirkwood.c
+++ b/sys/arm/mv/kirkwood/kirkwood.c
@@ -176,11 +176,11 @@ get_tclk(void)
 	/*
 	 * On Kirkwood TCLK is not configurable and depends on silicon
 	 * revision:
-	 * - A0 has TCLK hardcoded to 200 MHz.
+	 * - A0 and A1 have TCLK hardcoded to 200 MHz.
 	 * - Z0 and others have TCLK hardcoded to 166 MHz.
 	 */
 	soc_id(&dev, &rev);
-	if (dev == MV_DEV_88F6281 && rev == 2)
+	if (dev == MV_DEV_88F6281 && (rev == 2 || rev == 3))
 		return (TCLK_200MHZ);
 
 	return (TCLK_166MHZ);