XGMAC_MAC_CONTROL_REG
u32 origin = dsaf_read_dev(drv, XGMAC_MAC_CONTROL_REG);
dsaf_write_dev(drv, XGMAC_MAC_CONTROL_REG, origin);
ctrl_val = dsaf_read_dev(drv, XGMAC_MAC_CONTROL_REG);
regs[14] = dsaf_read_dev(drv, XGMAC_MAC_CONTROL_REG);