MCSPI_IRQENABLE
TI_SPI_WRITE(sc, MCSPI_IRQENABLE, 0x0);
TI_SPI_WRITE(sc, MCSPI_IRQENABLE, 0);
reg = TI_SPI_READ(sc, MCSPI_IRQENABLE);
TI_SPI_WRITE(sc, MCSPI_IRQENABLE, reg);
reg = TI_SPI_READ(sc, MCSPI_IRQENABLE);
TI_SPI_WRITE(sc, MCSPI_IRQENABLE, reg);
reg = TI_SPI_READ(sc, MCSPI_IRQENABLE);