22 #include "renesas-xspi-if-regs.h"
76 	u8 addr_nbytes;		/* Specified for xSPI */
77 	u32 proto;		/* Specified for xSPI */
180 	struct rpcif_priv *xspi = context;  in xspi_reg_read()  local
182 	*val = readl(xspi->base + reg);  in xspi_reg_read()
188 	struct rpcif_priv *xspi = context;  in xspi_reg_write()  local
190 	writel(val, xspi->base + reg);  in xspi_reg_write()
212 	rpcif->xspi = rpc->info->type == XSPI_RZ_G3E;  in rpcif_sw_init()
288 static int xspi_hw_init_impl(struct rpcif_priv *xspi, bool hyperflash)  in xspi_hw_init_impl()  argument
292 	ret = reset_control_reset(xspi->rstc);  in xspi_hw_init_impl()
296 	regmap_write(xspi->regmap, XSPI_WRAPCFG, 0x0);  in xspi_hw_init_impl()
298 	regmap_update_bits(xspi->regmap, XSPI_LIOCFGCS0,  in xspi_hw_init_impl()
304 	regmap_update_bits(xspi->regmap, XSPI_CCCTL0CS0, XSPI_CCCTL0_CAEN, 0);  in xspi_hw_init_impl()
306 	regmap_update_bits(xspi->regmap, XSPI_CDCTL0,  in xspi_hw_init_impl()
309 	regmap_update_bits(xspi->regmap, XSPI_INTE, XSPI_INTE_CMDCMPE,  in xspi_hw_init_impl()
438 static void xspi_prepare_impl(struct rpcif_priv *xspi, const struct rpcif_op *op,  in xspi_prepare_impl()  argument
441 	xspi->smadr = 0;  in xspi_prepare_impl()
442 	xspi->addr_nbytes = 0;  in xspi_prepare_impl()
443 	xspi->command = 0;  in xspi_prepare_impl()
444 	xspi->option = 0;  in xspi_prepare_impl()
445 	xspi->dummy = 0;  in xspi_prepare_impl()
446 	xspi->xferlen = 0;  in xspi_prepare_impl()
447 	xspi->proto = 0;  in xspi_prepare_impl()
450 		xspi->command = op->cmd.opcode;  in xspi_prepare_impl()
453 		xspi->command = (xspi->command << 8) | op->ocmd.opcode;  in xspi_prepare_impl()
456 		xspi->addr_nbytes = op->addr.nbytes;  in xspi_prepare_impl()
458 			xspi->smadr = *offs;  in xspi_prepare_impl()
460 			xspi->smadr = op->addr.val;  in xspi_prepare_impl()
464 		xspi->dummy = op->dummy.ncycles;  in xspi_prepare_impl()
466 	xspi->dir = op->data.dir;  in xspi_prepare_impl()
470 		xspi->buffer = op->data.buf.in;  in xspi_prepare_impl()
476 		xspi->xferlen = nbytes;  in xspi_prepare_impl()
481 			xspi->proto = PROTO_1S_2S_2S;  in xspi_prepare_impl()
483 			xspi->proto = PROTO_1S_4S_4S;  in xspi_prepare_impl()
486 		xspi->proto = PROTO_2S_2S_2S;  in xspi_prepare_impl()
489 		xspi->proto = PROTO_4S_4S_4S;  in xspi_prepare_impl()
623 static int xspi_manual_xfer_impl(struct rpcif_priv *xspi)  in xspi_manual_xfer_impl()  argument
628 	regmap_update_bits(xspi->regmap, XSPI_CDCTL0, XSPI_CDCTL0_TRNUM(0x3),  in xspi_manual_xfer_impl()
631 	regmap_update_bits(xspi->regmap, XSPI_CDCTL0, XSPI_CDCTL0_TRREQ, 0);  in xspi_manual_xfer_impl()
633 	regmap_write(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
634 		     XSPI_CDTBUF_CMDSIZE(0x1) | XSPI_CDTBUF_CMD_FIELD(xspi->command));  in xspi_manual_xfer_impl()
636 	regmap_write(xspi->regmap, XSPI_CDABUF0, 0);  in xspi_manual_xfer_impl()
638 	regmap_update_bits(xspi->regmap, XSPI_CDTBUF0, XSPI_CDTBUF_ADDSIZE(0x7),  in xspi_manual_xfer_impl()
639 			   XSPI_CDTBUF_ADDSIZE(xspi->addr_nbytes));  in xspi_manual_xfer_impl()
641 	regmap_write(xspi->regmap, XSPI_CDABUF0, xspi->smadr);  in xspi_manual_xfer_impl()
643 	regmap_update_bits(xspi->regmap, XSPI_LIOCFGCS0, XSPI_LIOCFG_PRTMD(0x3ff),  in xspi_manual_xfer_impl()
644 			   XSPI_LIOCFG_PRTMD(xspi->proto));  in xspi_manual_xfer_impl()
646 	switch (xspi->dir) {  in xspi_manual_xfer_impl()
648 		while (pos < xspi->xferlen) {  in xspi_manual_xfer_impl()
649 			u32 bytes_left = xspi->xferlen - pos;  in xspi_manual_xfer_impl()
652 			regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
657 			regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
661 			regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
663 					   XSPI_CDTBUF_ADDSIZE(xspi->addr_nbytes));  in xspi_manual_xfer_impl()
665 			memcpy(data, xspi->buffer + pos, nbytes);  in xspi_manual_xfer_impl()
668 				regmap_write(xspi->regmap, XSPI_CDD0BUF0, *p++);  in xspi_manual_xfer_impl()
669 				regmap_write(xspi->regmap, XSPI_CDD1BUF0, *p);  in xspi_manual_xfer_impl()
671 				regmap_write(xspi->regmap, XSPI_CDD0BUF0, *p);  in xspi_manual_xfer_impl()
674 			regmap_write(xspi->regmap, XSPI_CDABUF0, xspi->smadr + pos);  in xspi_manual_xfer_impl()
676 			regmap_update_bits(xspi->regmap, XSPI_CDCTL0,  in xspi_manual_xfer_impl()
679 			ret = wait_msg_xfer_end(xspi);  in xspi_manual_xfer_impl()
683 			regmap_update_bits(xspi->regmap, XSPI_INTC,  in xspi_manual_xfer_impl()
688 		regmap_update_bits(xspi->regmap, XSPI_CDCTL0, XSPI_CDCTL0_TRREQ, 0);  in xspi_manual_xfer_impl()
691 		while (pos < xspi->xferlen) {  in xspi_manual_xfer_impl()
692 			u32 bytes_left = xspi->xferlen - pos;  in xspi_manual_xfer_impl()
695 			regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
702 			regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
706 			regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
708 					   XSPI_CDTBUF_ADDSIZE(xspi->addr_nbytes));  in xspi_manual_xfer_impl()
710 			if (xspi->addr_nbytes)  in xspi_manual_xfer_impl()
711 				regmap_write(xspi->regmap, XSPI_CDABUF0,  in xspi_manual_xfer_impl()
712 					     xspi->smadr + pos);  in xspi_manual_xfer_impl()
714 			regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
716 					   XSPI_CDTBUF_LATE(xspi->dummy));  in xspi_manual_xfer_impl()
718 			regmap_update_bits(xspi->regmap, XSPI_CDCTL0,  in xspi_manual_xfer_impl()
721 			ret = wait_msg_xfer_end(xspi);  in xspi_manual_xfer_impl()
726 				regmap_read(xspi->regmap, XSPI_CDD0BUF0, p++);  in xspi_manual_xfer_impl()
727 				regmap_read(xspi->regmap, XSPI_CDD1BUF0, p);  in xspi_manual_xfer_impl()
729 				regmap_read(xspi->regmap, XSPI_CDD0BUF0, p);  in xspi_manual_xfer_impl()
732 			memcpy(xspi->buffer + pos, data, nbytes);  in xspi_manual_xfer_impl()
734 			regmap_update_bits(xspi->regmap, XSPI_INTC,  in xspi_manual_xfer_impl()
739 		regmap_update_bits(xspi->regmap, XSPI_CDCTL0,  in xspi_manual_xfer_impl()
743 		regmap_update_bits(xspi->regmap, XSPI_CDTBUF0,  in xspi_manual_xfer_impl()
745 		regmap_update_bits(xspi->regmap, XSPI_CDCTL0,  in xspi_manual_xfer_impl()
748 		ret = wait_msg_xfer_end(xspi);  in xspi_manual_xfer_impl()
752 		regmap_update_bits(xspi->regmap, XSPI_INTC,  in xspi_manual_xfer_impl()
759 	xspi_hw_init_impl(xspi, false);  in xspi_manual_xfer_impl()
850 static size_t xspi_dirmap_read_impl(struct rpcif_priv *xspi, u64 offs,  in xspi_dirmap_read_impl()  argument
853 	loff_t from = offs & (xspi->size - 1);  in xspi_dirmap_read_impl()
854 	size_t size = xspi->size - from;  in xspi_dirmap_read_impl()
855 	u8 addsize = xspi->addr_nbytes - 1;  in xspi_dirmap_read_impl()
860 	regmap_update_bits(xspi->regmap, XSPI_CMCFG0CS0,  in xspi_dirmap_read_impl()
864 	regmap_update_bits(xspi->regmap, XSPI_CMCFG1CS0,  in xspi_dirmap_read_impl()
866 			   XSPI_CMCFG1_RDCMD_UPPER_BYTE(xspi->command) |  in xspi_dirmap_read_impl()
867 			   XSPI_CMCFG1_RDLATE(xspi->dummy));  in xspi_dirmap_read_impl()
869 	regmap_update_bits(xspi->regmap, XSPI_BMCTL0, XSPI_BMCTL0_CS0ACC(0xff),  in xspi_dirmap_read_impl()
872 	regmap_update_bits(xspi->regmap, XSPI_BMCFG,  in xspi_dirmap_read_impl()
878 	regmap_update_bits(xspi->regmap, XSPI_LIOCFGCS0, XSPI_LIOCFG_PRTMD(0x3ff),  in xspi_dirmap_read_impl()
879 			   XSPI_LIOCFG_PRTMD(xspi->proto));  in xspi_dirmap_read_impl()
881 	memcpy_fromio(buf, xspi->dirmap + from, len);  in xspi_dirmap_read_impl()
905  * xspi_dirmap_write - Write data to xspi memory.
906  * @dev: xspi device
911  * This function writes data into xspi memory.
917 	struct rpcif_priv *xspi = dev_get_drvdata(dev);  in xspi_dirmap_write()  local
918 	loff_t from = offs & (xspi->size - 1);  in xspi_dirmap_write()
919 	u8 addsize = xspi->addr_nbytes - 1;  in xspi_dirmap_write()
920 	size_t size = xspi->size - from;  in xspi_dirmap_write()
936 	regmap_update_bits(xspi->regmap, XSPI_CMCFG0CS0,  in xspi_dirmap_write()
940 	regmap_update_bits(xspi->regmap, XSPI_CMCFG2CS0,  in xspi_dirmap_write()
942 			   XSPI_CMCFG2_WRCMD_UPPER(xspi->command) |  in xspi_dirmap_write()
943 			   XSPI_CMCFG2_WRLATE(xspi->dummy));  in xspi_dirmap_write()
945 	regmap_update_bits(xspi->regmap, XSPI_BMCTL0,  in xspi_dirmap_write()
948 	regmap_update_bits(xspi->regmap, XSPI_BMCFG,  in xspi_dirmap_write()
954 	regmap_update_bits(xspi->regmap, XSPI_LIOCFGCS0, XSPI_LIOCFG_PRTMD(0x3ff),  in xspi_dirmap_write()
955 			   XSPI_LIOCFG_PRTMD(xspi->proto));  in xspi_dirmap_write()
957 	memcpy_toio(xspi->dirmap + from, buf, writebytes);  in xspi_dirmap_write()
961 		regmap_update_bits(xspi->regmap, XSPI_BMCTL1,  in xspi_dirmap_write()
1120 	{ .compatible = "renesas,r9a09g047-xspi", .data = &xspi_info_r9a09g047 },