EMAC_MR1_APP
switch (r & (EMAC_MR1_EIFC | EMAC_MR1_APP)) {
case (EMAC_MR1_EIFC | EMAC_MR1_APP):
case EMAC_MR1_APP:
mr1 |= EMAC_MR1_EIFC | EMAC_MR1_APP;
mr1 |= EMAC_MR1_APP;