59 	struct mpc512x_psc_fifo __iomem *fifo;  member
163 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_transfer_rxtx()  local
183 		fifosz = MPC512x_PSC_FIFO_SZ(in_be32(&fifo->txsz));  in mpc512x_psc_spi_transfer_rxtx()
185 		fifosz = MPC512x_PSC_FIFO_SZ(in_be32(&fifo->rxsz));  in mpc512x_psc_spi_transfer_rxtx()
186 		fifosz -= in_be32(&fifo->rxcnt) + 1;  in mpc512x_psc_spi_transfer_rxtx()
190 			/* fill the TX FIFO */  in mpc512x_psc_spi_transfer_rxtx()
194 					setbits32(&fifo->txcmd,  in mpc512x_psc_spi_transfer_rxtx()
196 				out_8(&fifo->txdata_8, data);  in mpc512x_psc_spi_transfer_rxtx()
200 			/* have the ISR trigger when the TX FIFO is empty */  in mpc512x_psc_spi_transfer_rxtx()
202 			out_be32(&fifo->txisr, MPC512x_PSC_FIFO_EMPTY);  in mpc512x_psc_spi_transfer_rxtx()
203 			out_be32(&fifo->tximr, MPC512x_PSC_FIFO_EMPTY);  in mpc512x_psc_spi_transfer_rxtx()
208 		 * consume as much RX data as the FIFO holds, while we  in mpc512x_psc_spi_transfer_rxtx()
220 			 * grab whatever was in the FIFO when we started  in mpc512x_psc_spi_transfer_rxtx()
222 			 * the FIFO while we read from it -- we'll return  in mpc512x_psc_spi_transfer_rxtx()
226 			fifosz = in_be32(&fifo->rxcnt);  in mpc512x_psc_spi_transfer_rxtx()
229 				data = in_8(&fifo->rxdata_8);  in mpc512x_psc_spi_transfer_rxtx()
279 			rxcount = in_be32(&fifo->rxcnt);  in mpc512x_psc_spi_transfer_rxtx()
281 				 "short xfer, missing %zd RX bytes, FIFO level %zd\n",  in mpc512x_psc_spi_transfer_rxtx()
288 		 * into a NOP (except for the FIFO level fetch)  in mpc512x_psc_spi_transfer_rxtx()
291 			while (in_be32(&fifo->rxcnt))  in mpc512x_psc_spi_transfer_rxtx()
292 				in_8(&fifo->rxdata_8);  in mpc512x_psc_spi_transfer_rxtx()
362 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_unprep_xfer_hw()  local
366 	/* disable transmitter/receiver and fifo interrupt */  in mpc512x_psc_spi_unprep_xfer_hw()
368 	out_be32(&fifo->tximr, 0);  in mpc512x_psc_spi_unprep_xfer_hw()
402 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_port_config()  local
413 	/* Disable psc interrupts all useful interrupts are in fifo */  in mpc512x_psc_spi_port_config()
416 	/* Disable fifo interrupts, will be enabled later */  in mpc512x_psc_spi_port_config()
417 	out_be32(&fifo->tximr, 0);  in mpc512x_psc_spi_port_config()
418 	out_be32(&fifo->rximr, 0);  in mpc512x_psc_spi_port_config()
420 	/* Setup fifo slice address and size */  in mpc512x_psc_spi_port_config()
421 	/*out_be32(&fifo->txsz, 0x0fe00004);*/  in mpc512x_psc_spi_port_config()
422 	/*out_be32(&fifo->rxsz, 0x0ff00004);*/  in mpc512x_psc_spi_port_config()
444 	out_be32(&fifo->rxalarm, 0xfff);  in mpc512x_psc_spi_port_config()
445 	out_be32(&fifo->txalarm, 0);  in mpc512x_psc_spi_port_config()
447 	/* Enable FIFO slices for Rx/Tx */  in mpc512x_psc_spi_port_config()
448 	out_be32(&fifo->rxcmd,  in mpc512x_psc_spi_port_config()
450 	out_be32(&fifo->txcmd,  in mpc512x_psc_spi_port_config()
461 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_isr()  local
464 	if (in_be32(&fifo->txisr) &  in mpc512x_psc_spi_isr()
465 	    in_be32(&fifo->tximr) & MPC512x_PSC_FIFO_EMPTY) {  in mpc512x_psc_spi_isr()
466 		out_be32(&fifo->txisr, MPC512x_PSC_FIFO_EMPTY);  in mpc512x_psc_spi_isr()
467 		out_be32(&fifo->tximr, 0);  in mpc512x_psc_spi_isr()
515 	mps->fifo =  in mpc512x_psc_spi_do_probe()