SHIFT4
#define PHY_M_EC_MAC_S(x) (SHIFT4(x) & PHY_M_EC_MAC_S_MSK)
#define PHY_M_LED_MO_1000(x) SHIFT4(x) /* Bit 5.. 4: Link 1000 */
#define PHY_M_FELP_LED1_CTRL(x) (SHIFT4(x) & PHY_M_FELP_LED1_MSK)
#define PHY_M_LEDC_STA1_CTRL(x) (SHIFT4(x) & PHY_M_LEDC_STA1_MSK)
#define PHY_M_POLC_INIT_CTRL(x) (SHIFT4(x) & PHY_M_POLC_INIT_MSK)
#define TX_IPG_JAM_DATA(x) (SHIFT4(x) & GM_TXPA_JAMDAT_MSK)