SPI_BFINS
csr = SPI_BFINS(SCBR, DUMMY_MSG_FREQUENCY, csr);
mr = SPI_BFINS(PCS, ~(0x01 << chip_select), mr);
mr = SPI_BFINS(PCS, ~(1 << chip_select), mr);
mr = SPI_BFINS(PCS, 0xf, mr);
spi_writel(as, FMR, SPI_BFINS(RXFTHRES, num_data, fifomr));
csr = SPI_BFINS(SCBR, scbr, csr);