55 	struct mpc512x_psc_fifo __iomem *fifo;  member
147 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_transfer_rxtx()  local
167 		fifosz = MPC512x_PSC_FIFO_SZ(in_be32(&fifo->txsz));  in mpc512x_psc_spi_transfer_rxtx()
169 		fifosz = MPC512x_PSC_FIFO_SZ(in_be32(&fifo->rxsz));  in mpc512x_psc_spi_transfer_rxtx()
170 		fifosz -= in_be32(&fifo->rxcnt) + 1;  in mpc512x_psc_spi_transfer_rxtx()
174 			/* fill the TX FIFO */  in mpc512x_psc_spi_transfer_rxtx()
178 					setbits32(&fifo->txcmd,  in mpc512x_psc_spi_transfer_rxtx()
180 				out_8(&fifo->txdata_8, data);  in mpc512x_psc_spi_transfer_rxtx()
184 			/* have the ISR trigger when the TX FIFO is empty */  in mpc512x_psc_spi_transfer_rxtx()
186 			out_be32(&fifo->txisr, MPC512x_PSC_FIFO_EMPTY);  in mpc512x_psc_spi_transfer_rxtx()
187 			out_be32(&fifo->tximr, MPC512x_PSC_FIFO_EMPTY);  in mpc512x_psc_spi_transfer_rxtx()
192 		 * consume as much RX data as the FIFO holds, while we  in mpc512x_psc_spi_transfer_rxtx()
204 			 * grab whatever was in the FIFO when we started  in mpc512x_psc_spi_transfer_rxtx()
206 			 * the FIFO while we read from it -- we'll return  in mpc512x_psc_spi_transfer_rxtx()
210 			fifosz = in_be32(&fifo->rxcnt);  in mpc512x_psc_spi_transfer_rxtx()
213 				data = in_8(&fifo->rxdata_8);  in mpc512x_psc_spi_transfer_rxtx()
263 			rxcount = in_be32(&fifo->rxcnt);  in mpc512x_psc_spi_transfer_rxtx()
265 				 "short xfer, missing %zd RX bytes, FIFO level %zd\n",  in mpc512x_psc_spi_transfer_rxtx()
272 		 * into a NOP (except for the FIFO level fetch)  in mpc512x_psc_spi_transfer_rxtx()
275 			while (in_be32(&fifo->rxcnt))  in mpc512x_psc_spi_transfer_rxtx()
276 				in_8(&fifo->rxdata_8);  in mpc512x_psc_spi_transfer_rxtx()
346 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_unprep_xfer_hw()  local
350 	/* disable transmitter/receiver and fifo interrupt */  in mpc512x_psc_spi_unprep_xfer_hw()
352 	out_be32(&fifo->tximr, 0);  in mpc512x_psc_spi_unprep_xfer_hw()
386 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_port_config()  local
397 	/* Disable psc interrupts all useful interrupts are in fifo */  in mpc512x_psc_spi_port_config()
400 	/* Disable fifo interrupts, will be enabled later */  in mpc512x_psc_spi_port_config()
401 	out_be32(&fifo->tximr, 0);  in mpc512x_psc_spi_port_config()
402 	out_be32(&fifo->rximr, 0);  in mpc512x_psc_spi_port_config()
404 	/* Setup fifo slice address and size */  in mpc512x_psc_spi_port_config()
405 	/*out_be32(&fifo->txsz, 0x0fe00004);*/  in mpc512x_psc_spi_port_config()
406 	/*out_be32(&fifo->rxsz, 0x0ff00004);*/  in mpc512x_psc_spi_port_config()
428 	out_be32(&fifo->rxalarm, 0xfff);  in mpc512x_psc_spi_port_config()
429 	out_be32(&fifo->txalarm, 0);  in mpc512x_psc_spi_port_config()
431 	/* Enable FIFO slices for Rx/Tx */  in mpc512x_psc_spi_port_config()
432 	out_be32(&fifo->rxcmd,  in mpc512x_psc_spi_port_config()
434 	out_be32(&fifo->txcmd,  in mpc512x_psc_spi_port_config()
445 	struct mpc512x_psc_fifo __iomem *fifo = mps->fifo;  in mpc512x_psc_spi_isr()  local
448 	if (in_be32(&fifo->txisr) &  in mpc512x_psc_spi_isr()
449 	    in_be32(&fifo->tximr) & MPC512x_PSC_FIFO_EMPTY) {  in mpc512x_psc_spi_isr()
450 		out_be32(&fifo->txisr, MPC512x_PSC_FIFO_EMPTY);  in mpc512x_psc_spi_isr()
451 		out_be32(&fifo->tximr, 0);  in mpc512x_psc_spi_isr()
489 	mps->fifo =  in mpc512x_psc_spi_of_probe()