LTQ_SPI_CON
lantiq_ssc_maskl(spi, LTQ_SPI_CON_BM_M, bm, LTQ_SPI_CON);
lantiq_ssc_maskl(spi, con_clr, con_set, LTQ_SPI_CON);
LTQ_SPI_CON_RXOFF, LTQ_SPI_CON);
con = lantiq_ssc_readl(spi, LTQ_SPI_CON);
lantiq_ssc_writel(spi, con, LTQ_SPI_CON);
LTQ_SPI_CON);