spi_writel
spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
spi_writel(as, IDR, SPI_BIT(OVRES));
spi_writel(as, IDR, pending);
spi_writel(as, IDR, pending);
spi_writel(as, IDR, (SPI_BIT(RXBUFF) | SPI_BIT(ENDRX)
spi_writel(as, IDR, pending);
spi_writel(as, CSR0 + 4 * chip_select, csr);
spi_writel(as, RNCR, 0);
spi_writel(as, TNCR, 0);
spi_writel(as, RCR, 0);
spi_writel(as, TCR, 0);
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
spi_writel(as, CR, SPI_BIT(FIFOEN));
spi_writel(as, MR, mr | SPI_BIT(MODFDIS) | SPI_BIT(MSTR));
spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
spi_writel(as, CR, SPI_BIT(SPIEN));
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
spi_writel(as, CSR0 + 4 * chip_select, csr);
spi_writel(as, TDR, DUMMY_MSG);
spi_writel(as, CSR0 + 4 * chip_select, asd->csr);
spi_writel(as, CSR0, asd->csr);
spi_writel(as, MR, mr);
spi_writel(as, CSR0 + 4 * i,
spi_writel(as, MR, mr);
spi_writel(as, MR, mr);
spi_writel(as, CR, SPI_BIT(LASTXFER));
spi_writel(as, TDR, *(u16 *)(xfer->tx_buf + xfer_pos));
spi_writel(as, TDR, *(u8 *)(xfer->tx_buf + xfer_pos));
spi_writel(as, IER, SPI_BIT(RDRF) | SPI_BIT(OVRES));
spi_writel(as, CR, SPI_BIT(RXFCLR) | SPI_BIT(TXFCLR));
spi_writel(as, FMR, SPI_BFINS(RXFTHRES, num_data, fifomr));
spi_writel(as, TDR, (td1 << 16) | td0);
spi_writel(as, IER, SPI_BIT(RXFTHF) | SPI_BIT(OVRES));
spi_writel(as, IER, SPI_BIT(OVRES));
spi_writel(as, IDR, SPI_BIT(OVRES));
spi_writel(as, CSR0 + 4 * chip_select, csr);
spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
spi_writel(as, RPR, rx_dma);
spi_writel(as, TPR, tx_dma);
spi_writel(as, RCR, len);
spi_writel(as, TCR, len);
spi_writel(as, RNPR, rx_dma);
spi_writel(as, TNPR, tx_dma);
spi_writel(as, RNCR, len);
spi_writel(as, TNCR, len);
spi_writel(as, IER, SPI_BIT(RXBUFF) | SPI_BIT(OVRES));
spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN));