452 				 const struct spi_mem_op *op)  in nxp_fspi_supports_op()  argument
457 	ret = nxp_fspi_check_buswidth(f, op->cmd.buswidth);  in nxp_fspi_supports_op()
459 	if (op->addr.nbytes)  in nxp_fspi_supports_op()
460 		ret |= nxp_fspi_check_buswidth(f, op->addr.buswidth);  in nxp_fspi_supports_op()
462 	if (op->dummy.nbytes)  in nxp_fspi_supports_op()
463 		ret |= nxp_fspi_check_buswidth(f, op->dummy.buswidth);  in nxp_fspi_supports_op()
465 	if (op->data.nbytes)  in nxp_fspi_supports_op()
466 		ret |= nxp_fspi_check_buswidth(f, op->data.buswidth);  in nxp_fspi_supports_op()
474 	if (op->addr.nbytes > 4)  in nxp_fspi_supports_op()
482 	if (op->addr.val >= f->memmap_phy_size)  in nxp_fspi_supports_op()
486 	if (op->dummy.buswidth &&  in nxp_fspi_supports_op()
487 	    (op->dummy.nbytes * 8 / op->dummy.buswidth > 64))  in nxp_fspi_supports_op()
491 	if (op->data.dir == SPI_MEM_DATA_IN &&  in nxp_fspi_supports_op()
492 	    (op->data.nbytes > f->devtype_data->ahb_buf_size ||  in nxp_fspi_supports_op()
493 	     (op->data.nbytes > f->devtype_data->rxfifo - 4 &&  in nxp_fspi_supports_op()
494 	      !IS_ALIGNED(op->data.nbytes, 8))))  in nxp_fspi_supports_op()
497 	if (op->data.dir == SPI_MEM_DATA_OUT &&  in nxp_fspi_supports_op()
498 	    op->data.nbytes > f->devtype_data->txfifo)  in nxp_fspi_supports_op()
501 	return spi_mem_default_supports_op(mem, op);  in nxp_fspi_supports_op()
542 				 const struct spi_mem_op *op)  in nxp_fspi_prepare_lut()  argument
549 	lutval[0] |= LUT_DEF(0, LUT_CMD, LUT_PAD(op->cmd.buswidth),  in nxp_fspi_prepare_lut()
550 			     op->cmd.opcode);  in nxp_fspi_prepare_lut()
553 	if (op->addr.nbytes) {  in nxp_fspi_prepare_lut()
555 					      LUT_PAD(op->addr.buswidth),  in nxp_fspi_prepare_lut()
556 					      op->addr.nbytes * 8);  in nxp_fspi_prepare_lut()
561 	if (op->dummy.nbytes) {  in nxp_fspi_prepare_lut()
567 					      LUT_PAD(op->data.buswidth),  in nxp_fspi_prepare_lut()
568 					      op->dummy.nbytes * 8 /  in nxp_fspi_prepare_lut()
569 					      op->dummy.buswidth);  in nxp_fspi_prepare_lut()
574 	if (op->data.nbytes) {  in nxp_fspi_prepare_lut()
576 					      op->data.dir == SPI_MEM_DATA_IN ?  in nxp_fspi_prepare_lut()
578 					      LUT_PAD(op->data.buswidth),  in nxp_fspi_prepare_lut()
595 		op->cmd.opcode, lutval[0], lutval[1], lutval[2], lutval[3], op->data.nbytes);  in nxp_fspi_prepare_lut()
747 static int nxp_fspi_read_ahb(struct nxp_fspi *f, const struct spi_mem_op *op)  in nxp_fspi_read_ahb()  argument
749 	u32 start = op->addr.val;  in nxp_fspi_read_ahb()
750 	u32 len = op->data.nbytes;  in nxp_fspi_read_ahb()
772 	memcpy_fromio(op->data.buf.in,  in nxp_fspi_read_ahb()
779 				 const struct spi_mem_op *op)  in nxp_fspi_fill_txfifo()  argument
783 	u8 *buf = (u8 *) op->data.buf.out;  in nxp_fspi_fill_txfifo()
793 	for (i = 0; i < ALIGN_DOWN(op->data.nbytes, 8); i += 8) {  in nxp_fspi_fill_txfifo()
805 	if (i < op->data.nbytes) {  in nxp_fspi_fill_txfifo()
808 		int remaining = op->data.nbytes - i;  in nxp_fspi_fill_txfifo()
824 			  const struct spi_mem_op *op)  in nxp_fspi_read_rxfifo()  argument
828 	int len = op->data.nbytes;  in nxp_fspi_read_rxfifo()
829 	u8 *buf = (u8 *) op->data.buf.in;  in nxp_fspi_read_rxfifo()
852 		buf = op->data.buf.in + i;  in nxp_fspi_read_rxfifo()
859 		len = op->data.nbytes - i;  in nxp_fspi_read_rxfifo()
860 		for (j = 0; j < op->data.nbytes - i; j += 4) {  in nxp_fspi_read_rxfifo()
874 static int nxp_fspi_do_op(struct nxp_fspi *f, const struct spi_mem_op *op)  in nxp_fspi_do_op()  argument
889 	fspi_writel(f, op->addr.val, base + FSPI_IPCR0);  in nxp_fspi_do_op()
895 	fspi_writel(f, op->data.nbytes |  in nxp_fspi_do_op()
908 	if (!err && op->data.nbytes && op->data.dir == SPI_MEM_DATA_IN)  in nxp_fspi_do_op()
909 		nxp_fspi_read_rxfifo(f, op);  in nxp_fspi_do_op()
914 static int nxp_fspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)  in nxp_fspi_exec_op()  argument
928 	nxp_fspi_prepare_lut(f, op);  in nxp_fspi_exec_op()
935 	if (op->data.nbytes > (f->devtype_data->rxfifo - 4) &&  in nxp_fspi_exec_op()
936 	    op->data.dir == SPI_MEM_DATA_IN &&  in nxp_fspi_exec_op()
938 		err = nxp_fspi_read_ahb(f, op);  in nxp_fspi_exec_op()
940 		if (op->data.nbytes && op->data.dir == SPI_MEM_DATA_OUT)  in nxp_fspi_exec_op()
941 			nxp_fspi_fill_txfifo(f, op);  in nxp_fspi_exec_op()
943 		err = nxp_fspi_do_op(f, op);  in nxp_fspi_exec_op()
954 static int nxp_fspi_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op)  in nxp_fspi_adjust_op_size()  argument
958 	if (op->data.dir == SPI_MEM_DATA_OUT) {  in nxp_fspi_adjust_op_size()
959 		if (op->data.nbytes > f->devtype_data->txfifo)  in nxp_fspi_adjust_op_size()
960 			op->data.nbytes = f->devtype_data->txfifo;  in nxp_fspi_adjust_op_size()
962 		if (op->data.nbytes > f->devtype_data->ahb_buf_size)  in nxp_fspi_adjust_op_size()
963 			op->data.nbytes = f->devtype_data->ahb_buf_size;  in nxp_fspi_adjust_op_size()
964 		else if (op->data.nbytes > (f->devtype_data->rxfifo - 4))  in nxp_fspi_adjust_op_size()
965 			op->data.nbytes = ALIGN_DOWN(op->data.nbytes, 8);  in nxp_fspi_adjust_op_size()
969 	if (op->data.dir == SPI_MEM_DATA_IN &&  in nxp_fspi_adjust_op_size()
971 	    op->data.nbytes > f->devtype_data->rxfifo)  in nxp_fspi_adjust_op_size()
972 		op->data.nbytes = f->devtype_data->rxfifo;  in nxp_fspi_adjust_op_size()