WX_TSC_1588_TRGT_L
wr32ptp(wx, WX_TSC_1588_TRGT_L(0), (u32)wx->pps_edge_start);
wr32ptp(wx, WX_TSC_1588_TRGT_L(1), (u32)wx->pps_edge_end);
wr32ptp(wx, WX_TSC_1588_TRGT_L(0), (u32)wx->pps_edge_start);
wr32ptp(wx, WX_TSC_1588_TRGT_L(1), (u32)wx->pps_edge_end);