B28_Y2_ASF_STAT_CMD
status = CSR_READ_2(dev, B28_Y2_ASF_STAT_CMD);
CSR_WRITE_2(dev, B28_Y2_ASF_STAT_CMD, status);
CSR_WRITE_1(dev, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);