nand/raw/sunxi_nand.c

32 #include <nand.h>
234  * @nand:		base NAND chip structure
244 	struct nand_chip nand;
257 static inline struct sunxi_nand_chip *to_sunxi_nand(struct nand_chip *nand)
259 	return container_of(nand, struct sunxi_nand_chip, nand);
313 	/* gate on nand clock */
388 	struct nand_chip *nand = mtd_to_nand(mtd);
389 	struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
390 	struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
392 	unsigned long timeo = (sunxi_nand->nand.state == FL_ERASING ? 400 : 20);
426 	struct nand_chip *nand = mtd_to_nand(mtd);
427 	struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
428 	struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
445 		       NFC_PAGE_SHIFT(nand->page_shift - 10);
447 			nand->dev_ready = NULL;
449 			nand->dev_ready = sunxi_nfc_dev_ready;
471 	struct nand_chip *nand = mtd_to_nand(mtd);
472 	struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
473 	struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
504 	struct nand_chip *nand = mtd_to_nand(mtd);
505 	struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
506 	struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
545 	struct nand_chip *nand = mtd_to_nand(mtd);
546 	struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
547 	struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
712 	struct nand_chip *nand = mtd_to_nand(mtd);
713 	struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
717 	if (!(nand->options & NAND_NEED_SCRAMBLING))
728 	struct nand_chip *nand = mtd_to_nand(mtd);
729 	struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
731 	if (!(nand->options & NAND_NEED_SCRAMBLING))
740 	struct nand_chip *nand = mtd_to_nand(mtd);
741 	struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
743 	if (!(nand->options & NAND_NEED_SCRAMBLING))
779 	struct nand_chip *nand = mtd_to_nand(mtd);
780 	struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
781 	struct sunxi_nand_hw_ecc *data = nand->ecc.priv;
789 	if (nand->ecc.size == 512)
797 	struct nand_chip *nand = mtd_to_nand(mtd);
798 	struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
819 	struct nand_chip *nand = mtd_to_nand(mtd);
820 	struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
821 	struct nand_ecc_ctrl *ecc = &nand->ecc;
827 		nand->cmdfunc(mtd, NAND_CMD_RNDOUT, data_off, -1);
832 		nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1);
866 	nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1);
874 		if (nand->options & NAND_NEED_SCRAMBLING) {
875 			nand->cmdfunc(mtd, NAND_CMD_RNDOUT, data_off, -1);
876 			nand->read_buf(mtd, data, ecc->size);
877 			nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1);
878 			nand->read_buf(mtd, oob, ecc->bytes + 4);
896 		if (bbm && nand->options & NAND_NEED_SCRAMBLING)
914 	struct nand_chip *nand = mtd_to_nand(mtd);
915 	struct nand_ecc_ctrl *ecc = &nand->ecc;
923 		nand->cmdfunc(mtd, NAND_CMD_RNDOUT,
946 	struct nand_chip *nand = mtd_to_nand(mtd);
947 	struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
948 	struct nand_ecc_ctrl *ecc = &nand->ecc;
952 		nand->cmdfunc(mtd, NAND_CMD_RNDIN, data_off, -1);
957 	if ((nand->options & NAND_NEED_SCRAMBLING) && bbm) {
970 		nand->cmdfunc(mtd, NAND_CMD_RNDIN, oob_off, -1);
995 	struct nand_chip *nand = mtd_to_nand(mtd);
996 	struct nand_ecc_ctrl *ecc = &nand->ecc;
1004 		nand->cmdfunc(mtd, NAND_CMD_RNDIN,
1347 	 * nand clk_rate = min_clk_rate
1357 	struct mtd_info *mtd = nand_to_mtd(&chip->nand);
1362 	mode = onfi_get_async_timing_mode(&chip->nand);
1364 		mode = chip->nand.onfi_timing_mode_default;
1375 			chip->nand.select_chip(mtd, i);
1376 			ret = chip->nand.onfi_set_features(mtd,
1377 						&chip->nand,
1380 			chip->nand.select_chip(mtd, -1);
1570 	struct nand_chip *nand = mtd_to_nand(mtd);
1574 		ecc->size = nand->ecc_step_ds;
1575 		ecc->strength = nand->ecc_strength_ds;
1614 	struct nand_chip *nand;
1691 	nand = &chip->nand;
1693 	nand->chip_delay = 200;
1694 	nand->controller = &nfc->controller;
1699 	nand->ecc.mode = NAND_ECC_HW;
1700 	nand->flash_node = np;
1701 	nand->select_chip = sunxi_nfc_select_chip;
1702 	nand->cmd_ctrl = sunxi_nfc_cmd_ctrl;
1703 	nand->read_buf = sunxi_nfc_read_buf;
1704 	nand->write_buf = sunxi_nfc_write_buf;
1705 	nand->read_byte = sunxi_nfc_read_byte;
1707 	mtd = nand_to_mtd(nand);
1712 	if (nand->bbt_options & NAND_BBT_USE_FLASH)
1713 		nand->bbt_options |= NAND_BBT_NO_OOB;
1715 	if (nand->options & NAND_NEED_SCRAMBLING)
1716 		nand->options |= NAND_NO_SUBPAGE_WRITE;
1718 	nand->options |= NAND_SUBPAGE_READ;
1726 	ret = sunxi_nand_ecc_init(mtd, &nand->ecc);
1772 		sunxi_nand_ecc_cleanup(&chip->nand.ecc);
1809 		dev_err(dev, "failed to init nand chips\n");
1818 		.compatible = "allwinner,sun4i-a10-nand",