179 	struct nand_chip	*nand	= mtd_to_nand(mtd);  in omap_enable_hwecc()  local
180 	struct omap_nand_info	*info	= nand_get_controller_data(nand);  in omap_enable_hwecc()
181 	unsigned int dev_width = (nand->options & NAND_BUSWIDTH_16) ? 1 : 0;  in omap_enable_hwecc()
711 static int omap_select_ecc_scheme(struct nand_chip *nand,  in omap_select_ecc_scheme()  argument
713 	struct omap_nand_info	*info		= nand_get_controller_data(nand);  in omap_select_ecc_scheme()
724 		nand->ecc.mode		= NAND_ECC_SOFT;  in omap_select_ecc_scheme()
725 		nand->ecc.layout	= NULL;  in omap_select_ecc_scheme()
726 		nand->ecc.size		= 0;  in omap_select_ecc_scheme()
739 		memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl));  in omap_select_ecc_scheme()
740 		nand->ecc.mode		= NAND_ECC_HW;  in omap_select_ecc_scheme()
741 		nand->ecc.strength	= 1;  in omap_select_ecc_scheme()
742 		nand->ecc.size		= SECTOR_BYTES;  in omap_select_ecc_scheme()
743 		nand->ecc.bytes		= 3;  in omap_select_ecc_scheme()
744 		nand->ecc.hwctl		= omap_enable_hwecc;  in omap_select_ecc_scheme()
745 		nand->ecc.correct	= omap_correct_data;  in omap_select_ecc_scheme()
746 		nand->ecc.calculate	= omap_calculate_ecc;  in omap_select_ecc_scheme()
748 		ecclayout->eccbytes	= nand->ecc.bytes * eccsteps;  in omap_select_ecc_scheme()
750 			if (nand->options & NAND_BUSWIDTH_16)  in omap_select_ecc_scheme()
776 		memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl));  in omap_select_ecc_scheme()
777 		nand->ecc.mode		= NAND_ECC_HW;  in omap_select_ecc_scheme()
778 		nand->ecc.strength	= 8;  in omap_select_ecc_scheme()
779 		nand->ecc.size		= SECTOR_BYTES;  in omap_select_ecc_scheme()
780 		nand->ecc.bytes		= 13;  in omap_select_ecc_scheme()
781 		nand->ecc.hwctl		= omap_enable_hwecc;  in omap_select_ecc_scheme()
782 		nand->ecc.correct	= omap_correct_data_bch_sw;  in omap_select_ecc_scheme()
783 		nand->ecc.calculate	= omap_calculate_ecc;  in omap_select_ecc_scheme()
785 		ecclayout->eccbytes	= nand->ecc.bytes * eccsteps;  in omap_select_ecc_scheme()
788 			if (i % nand->ecc.bytes)  in omap_select_ecc_scheme()
817 		memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl));  in omap_select_ecc_scheme()
818 		nand->ecc.mode		= NAND_ECC_HW;  in omap_select_ecc_scheme()
819 		nand->ecc.strength	= 8;  in omap_select_ecc_scheme()
820 		nand->ecc.size		= SECTOR_BYTES;  in omap_select_ecc_scheme()
821 		nand->ecc.bytes		= 14;  in omap_select_ecc_scheme()
822 		nand->ecc.hwctl		= omap_enable_hwecc;  in omap_select_ecc_scheme()
823 		nand->ecc.correct	= omap_correct_data_bch;  in omap_select_ecc_scheme()
824 		nand->ecc.calculate	= omap_calculate_ecc;  in omap_select_ecc_scheme()
825 		nand->ecc.read_page	= omap_read_page_bch;  in omap_select_ecc_scheme()
827 		ecclayout->eccbytes	= nand->ecc.bytes * eccsteps;  in omap_select_ecc_scheme()
851 		nand->ecc.mode		= NAND_ECC_HW;  in omap_select_ecc_scheme()
852 		nand->ecc.size		= SECTOR_BYTES;  in omap_select_ecc_scheme()
853 		nand->ecc.bytes		= 26;  in omap_select_ecc_scheme()
854 		nand->ecc.strength	= 16;  in omap_select_ecc_scheme()
855 		nand->ecc.hwctl		= omap_enable_hwecc;  in omap_select_ecc_scheme()
856 		nand->ecc.correct	= omap_correct_data_bch;  in omap_select_ecc_scheme()
857 		nand->ecc.calculate	= omap_calculate_ecc;  in omap_select_ecc_scheme()
858 		nand->ecc.read_page	= omap_read_page_bch;  in omap_select_ecc_scheme()
860 		ecclayout->eccbytes	= nand->ecc.bytes * eccsteps;  in omap_select_ecc_scheme()
864 		ecclayout->oobfree[0].length = oobsize - nand->ecc.bytes -  in omap_select_ecc_scheme()
878 		nand->ecc.layout = ecclayout;  in omap_select_ecc_scheme()
895 	struct nand_chip *nand;  in omap_nand_switch_ecc()  local
904 	nand = mtd_to_nand(mtd);  in omap_nand_switch_ecc()
905 	nand->options |= NAND_OWN_BUFFERS;  in omap_nand_switch_ecc()
906 	nand->options &= ~NAND_SUBPAGE_READ;  in omap_nand_switch_ecc()
910 			err = omap_select_ecc_scheme(nand,  in omap_nand_switch_ecc()
914 			err = omap_select_ecc_scheme(nand,  in omap_nand_switch_ecc()
918 			err = omap_select_ecc_scheme(nand,  in omap_nand_switch_ecc()
927 			err = omap_select_ecc_scheme(nand,  in omap_nand_switch_ecc()
931 			err = omap_select_ecc_scheme(nand,  in omap_nand_switch_ecc()
962 int board_nand_init(struct nand_chip *nand)  in board_nand_init()  argument
993 	nand->IO_ADDR_R = (void __iomem *)&gpmc_cfg->cs[cs].nand_dat;  in board_nand_init()
994 	nand->IO_ADDR_W = (void __iomem *)&gpmc_cfg->cs[cs].nand_cmd;  in board_nand_init()
998 	nand_set_controller_data(nand, &omap_nand_info[cs]);  in board_nand_init()
999 	nand->cmd_ctrl	= omap_nand_hwcontrol;  in board_nand_init()
1000 	nand->options	|= NAND_NO_PADDING | NAND_CACHEPRG;  in board_nand_init()
1001 	nand->chip_delay = 100;  in board_nand_init()
1002 	nand->ecc.layout = &omap_ecclayout;  in board_nand_init()
1007 	nand->options |= NAND_BUSWIDTH_16;  in board_nand_init()
1010 	nand->options &= ~NAND_BUSWIDTH_16;  in board_nand_init()
1015 	err = omap_select_ecc_scheme(nand, CONFIG_NAND_OMAP_ECCSCHEME,  in board_nand_init()
1019 	err = omap_select_ecc_scheme(nand, OMAP_ECC_HAM1_CODE_SW,  in board_nand_init()
1026 	nand->read_buf = omap_nand_read_prefetch;  in board_nand_init()
1028 	if (nand->options & NAND_BUSWIDTH_16)  in board_nand_init()
1029 		nand->read_buf = nand_read_buf16;  in board_nand_init()
1031 		nand->read_buf = nand_read_buf;  in board_nand_init()
1034 	nand->dev_ready = omap_dev_ready;  in board_nand_init()