diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 1e7858511e35ec035c4344695d70b77eadc4c9ab..f63a32cc9d24455361ea1fe638f5b35514351e73 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1008,7 +1008,7 @@ static int falcon_test_nvram(struct efx_nic *efx)
 
 static const struct efx_nic_register_test falcon_b0_register_tests[] = {
 	{ FR_AZ_ADR_REGION,
-	  EFX_OWORD32(0x0001FFFF, 0x0001FFFF, 0x0001FFFF, 0x0001FFFF) },
+	  EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
 	{ FR_AZ_RX_CFG,
 	  EFX_OWORD32(0xFFFFFFFE, 0x00017FFF, 0x00000000, 0x00000000) },
 	{ FR_AZ_TX_CFG,
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 8e1311284718c8151cef316debd25ebf0eb9af96..1619fb5a64f5c0574b3dca25cdb49abd7d5f5571 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -134,7 +134,7 @@ void siena_remove_port(struct efx_nic *efx)
 
 static const struct efx_nic_register_test siena_register_tests[] = {
 	{ FR_AZ_ADR_REGION,
-	  EFX_OWORD32(0x0001FFFF, 0x0001FFFF, 0x0001FFFF, 0x0001FFFF) },
+	  EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
 	{ FR_CZ_USR_EV_CFG,
 	  EFX_OWORD32(0x000103FF, 0x00000000, 0x00000000, 0x00000000) },
 	{ FR_AZ_RX_CFG,