nand/onenand/onenand_samsung.c

18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/onenand.h>
20 #include <linux/mtd/partitions.h>
123 	struct mtd_info	*mtd;
218 	struct onenand_chip *this = onenand->mtd->priv;
268 	struct onenand_chip *this = onenand->mtd->priv;
310 static int s3c_onenand_wait(struct mtd_info *mtd, int state)
358 			mtd->ecc_stats.failed++;
376 static int s3c_onenand_command(struct mtd_info *mtd, int cmd, loff_t addr,
379 	struct onenand_chip *this = mtd->priv;
414 		s += (mtd->oobsize >> 2);
417 	mcount = mtd->writesize >> 2;
418 	scount = mtd->oobsize >> 2;
475 static unsigned char *s3c_get_bufferram(struct mtd_info *mtd, int area)
477 	struct onenand_chip *this = mtd->priv;
488 			p += mtd->oobsize;
494 static int onenand_read_bufferram(struct mtd_info *mtd, int area,
500 	p = s3c_get_bufferram(mtd, area);
505 static int onenand_write_bufferram(struct mtd_info *mtd, int area,
511 	p = s3c_get_bufferram(mtd, area);
616 static int s5pc110_read_bufferram(struct mtd_info *mtd, int area,
619 	struct onenand_chip *this = mtd->priv;
631 			p += mtd->oobsize;
635 		!onenand->dma_addr || count != mtd->writesize)
677 	if (count != mtd->writesize) {
679 		memcpy_fromio(this->page_buf, p, mtd->writesize);
688 static int s5pc110_chip_probe(struct mtd_info *mtd)
694 static int s3c_onenand_bbt_wait(struct mtd_info *mtd, int state)
727 static void s3c_onenand_check_lock_status(struct mtd_info *mtd)
729 	struct onenand_chip *this = mtd->priv;
746 static void s3c_onenand_do_lock_cmd(struct mtd_info *mtd, loff_t ofs,
749 	struct onenand_chip *this = mtd->priv;
769 	this->wait(mtd, FL_LOCKING);
772 static void s3c_unlock_all(struct mtd_info *mtd)
774 	struct onenand_chip *this = mtd->priv;
780 		this->command(mtd, ONENAND_CMD_UNLOCK_ALL, 0, 0);
783 		this->wait(mtd, FL_LOCKING);
787 			s3c_onenand_check_lock_status(mtd);
796 	s3c_onenand_do_lock_cmd(mtd, ofs, len, ONENAND_CMD_UNLOCK);
798 	s3c_onenand_check_lock_status(mtd);
801 static void s3c_onenand_setup(struct mtd_info *mtd)
803 	struct onenand_chip *this = mtd->priv;
805 	onenand->mtd = mtd;
838 	struct mtd_info *mtd;
846 	mtd = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
847 	if (!mtd)
855 	this = (struct onenand_chip *) &mtd[1];
856 	mtd->priv = this;
857 	mtd->dev.parent = &pdev->dev;
861 	s3c_onenand_setup(mtd);
892 		mtd->subpage_sft = 0;
893 		this->subpagesize = mtd->writesize;
917 	err = onenand_scan(mtd, 1);
923 		mtd->subpage_sft = 0;
924 		this->subpagesize = mtd->writesize;
930 	err = mtd_device_register(mtd, pdata ? pdata->parts : NULL,
934 		onenand_release(mtd);
938 	platform_set_drvdata(pdev, mtd);
945 	struct mtd_info *mtd = platform_get_drvdata(pdev);
947 	onenand_release(mtd);
952 	struct mtd_info *mtd = dev_get_drvdata(dev);
953 	struct onenand_chip *this = mtd->priv;
955 	this->wait(mtd, FL_PM_SUSPENDED);
961 	struct mtd_info *mtd = dev_get_drvdata(dev);
962 	struct onenand_chip *this = mtd->priv;
964 	this->unlock_all(mtd);