dev/nand/nand.c

120 	struct chip_geom *cg;
122 	cg = &chip->chip_geom;
124 	init_chip_geom(cg, params->luns, params->blocks_per_lun,
139 	struct chip_geom *cg;
142 	cg = &chip->chip_geom;
146 	init_chip_geom(cg, 1, blocks_per_chip,
164 	struct chip_geom *cg;
167 	cg = &chip->chip_geom;
168 	blks = cg->blks_per_lun * cg->luns;
174 	pgs = blks * cg->pgs_per_blk;
197 init_chip_geom(struct chip_geom *cg, uint32_t luns, uint32_t blks_per_lun,
202 	if (!cg)
205 	cg->luns = luns;
206 	cg->blks_per_lun = blks_per_lun;
207 	cg->blks_per_chip = blks_per_lun * luns;
208 	cg->pgs_per_blk = pgs_per_blk;
210 	cg->page_size = pg_size;
211 	cg->oob_size = oob_size;
212 	cg->block_size = cg->page_size * cg->pgs_per_blk;
213 	cg->chip_size = cg->block_size * cg->blks_per_chip;
215 	shift = fls(cg->pgs_per_blk - 1);
216 	cg->pg_mask = (1 << shift) - 1;
217 	cg->blk_shift = shift;
219 	if (cg->blks_per_lun > 0) {
220 		shift = fls(cg->blks_per_lun - 1);
221 		cg->blk_mask = ((1 << shift) - 1) << cg->blk_shift;
224 		cg->blk_mask = 0;
227 	cg->lun_shift = shift + cg->blk_shift;
228 	shift = fls(cg->luns - 1);
229 	cg->lun_mask = ((1 << shift) - 1) << cg->lun_shift;
233 	    cg->lun_mask, cg->blk_mask, cg->pg_mask,
234 	    cg->lun_shift, cg->blk_shift);
240 nand_row_to_blkpg(struct chip_geom *cg, uint32_t row, uint32_t *lun,
244 	if (!cg || !lun || !blk || !pg)
247 	if (row & ~(cg->lun_mask | cg->blk_mask | cg->pg_mask)) {
252 	*lun = (row & cg->lun_mask) >> cg->lun_shift;
253 	*blk = (row & cg->blk_mask) >> cg->blk_shift;
254 	*pg = (row & cg->pg_mask);
261 int page_to_row(struct chip_geom *cg, uint32_t page, uint32_t *row)
265 	if (!cg || !row)
268 	block = page / cg->pgs_per_blk;
269 	pg_in_blk = page % cg->pgs_per_blk;
271 	lun = block / cg->blks_per_lun;
272 	block = block % cg->blks_per_lun;
274 	*row = (lun << cg->lun_shift) & cg->lun_mask;
275 	*row |= ((block << cg->blk_shift) & cg->blk_mask);
276 	*row |= (pg_in_blk & cg->pg_mask);
284 	struct chip_geom* cg;
286 	cg = &chip->chip_geom;
287 	if (page >= (cg->pgs_per_blk * cg->blks_per_lun * cg->luns)) {
299 	struct chip_geom *cg;
301 	cg = &chip->chip_geom;
302 	param->page_size = cg->page_size;
303 	param->oob_size = cg->oob_size;
305 	param->blocks = cg->blks_per_lun * cg->luns;
306 	param->pages_per_block = cg->pgs_per_blk;
459 offset_to_page(struct chip_geom *cg, uint32_t offset)
462 	return (offset / cg->page_size);
469 	struct chip_geom *cg;
480 	cg = &chip->chip_geom;
482 	page = offset_to_page(cg, offset);
483 	num = len / cg->page_size;
486 		steps = cg->page_size / eccd->eccsize;
488 		oob = malloc(cg->oob_size, M_NAND, M_WAITOK);
499 		if (NAND_READ_PAGE(chip->dev, page, ptr, cg->page_size, 0)) {
518 			if (NAND_READ_OOB(chip->dev, page, oob, cg->oob_size,
551 		ptr += cg->page_size;
566 	struct chip_geom *cg;
572 	cg = &chip->chip_geom;
573 	page = offset_to_page(cg, offset);
574 	begin_off = offset - page * cg->page_size;
576 		begin = cg->page_size - begin_off;
579 	num = len / cg->page_size;
580 	end = len % cg->page_size;
598 		if (NAND_READ_PAGE(chip->dev, page, ptr, cg->page_size, 0)) {
604 		ptr += cg->page_size;
623 	struct chip_geom *cg;
635 	cg = &chip->chip_geom;
636 	page = offset_to_page(cg, offset);
637 	num = len / cg->page_size;
640 		steps = cg->page_size / eccd->eccsize;
641 		oob = malloc(cg->oob_size, M_NAND, M_WAITOK);
650 		if (NAND_PROGRAM_PAGE(chip->dev, page, buf, cg->page_size, 0)) {
669 				if (NAND_READ_OOB(chip->dev, page, oob, cg->oob_size,
679 				    cg->oob_size, 0)) {
690 		buf += cg->page_size;
705 	struct chip_geom *cg;
711 	cg = &chip->chip_geom;
712 	page = offset_to_page(cg, offset);
713 	begin_off = offset - page * cg->page_size;
715 		begin = cg->page_size - begin_off;
718 	num = len / cg->page_size;
719 	end = len % cg->page_size;
737 		if (NAND_PROGRAM_PAGE(chip->dev, page, ptr, cg->page_size, 0)) {
743 		ptr += cg->page_size;
795 	struct chip_geom *cg;
799 	cg = &chip->chip_geom;
800 	if ((offset % cg->block_size) || (len % cg->block_size))
803 	block = offset / cg->block_size;
804 	num_blocks = len / cg->block_size;