drivers/spi/spi-qpic-snand.c

31 /* QSPI NAND config reg bits */
174 	struct qpic_spi_nand *qspi = ecceng_to_qspi(eng);  in nand_to_qcom_snand()  local
176 	return qspi->snandc;  in nand_to_qcom_snand()
218 	struct qpic_ecc *qecc = snandc->qspi->ecc;  in qcom_spi_ooblayout_ecc()
234 	struct qpic_ecc *qecc = snandc->qspi->ecc;  in qcom_spi_ooblayout_free()
259 	snandc->qspi->num_cw = cwperpage;  in qcom_spi_ecc_init_ctx_pipelined()
264 	snandc->qspi->oob_buf = kzalloc(mtd->writesize + mtd->oobsize,  in qcom_spi_ecc_init_ctx_pipelined()
266 	if (!snandc->qspi->oob_buf) {  in qcom_spi_ecc_init_ctx_pipelined()
271 	memset(snandc->qspi->oob_buf, 0xff, mtd->writesize + mtd->oobsize);  in qcom_spi_ecc_init_ctx_pipelined()
274 	snandc->qspi->mtd = mtd;  in qcom_spi_ecc_init_ctx_pipelined()
357 	snandc->qspi->ecc = ecc_cfg;  in qcom_spi_ecc_prepare_io_req_pipelined()
358 	snandc->qspi->raw_rw = false;  in qcom_spi_ecc_prepare_io_req_pipelined()
359 	snandc->qspi->oob_rw = false;  in qcom_spi_ecc_prepare_io_req_pipelined()
360 	snandc->qspi->page_rw = false;  in qcom_spi_ecc_prepare_io_req_pipelined()
363 		snandc->qspi->page_rw = true;  in qcom_spi_ecc_prepare_io_req_pipelined()
366 		snandc->qspi->oob_rw = true;  in qcom_spi_ecc_prepare_io_req_pipelined()
369 		snandc->qspi->raw_rw = true;  in qcom_spi_ecc_prepare_io_req_pipelined()
383 	if (snandc->qspi->ecc_stats.failed)  in qcom_spi_ecc_finish_io_req_pipelined()
384 		mtd->ecc_stats.failed += snandc->qspi->ecc_stats.failed;  in qcom_spi_ecc_finish_io_req_pipelined()
386 		mtd->ecc_stats.corrected += snandc->qspi->ecc_stats.corrected;  in qcom_spi_ecc_finish_io_req_pipelined()
388 	if (snandc->qspi->ecc_stats.failed)  in qcom_spi_ecc_finish_io_req_pipelined()
391 		return snandc->qspi->ecc_stats.bitflips;  in qcom_spi_ecc_finish_io_req_pipelined()
406 	int num_cw = snandc->qspi->num_cw;  in qcom_spi_set_read_loc()
425 	int num_cw = snandc->qspi->num_cw;  in qcom_spi_config_cw_read()
444 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_block_erase()
452 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_block_erase()
453 	snandc->regs->addr0 = snandc->qspi->addr1;  in qcom_spi_block_erase()
454 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_block_erase()
476 	int num_cw = snandc->qspi->num_cw;  in qcom_spi_config_single_cw_page_read()
499 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_read_last_cw()
500 	struct mtd_info *mtd = snandc->qspi->mtd;  in qcom_spi_read_last_cw()
504 	u32 num_cw = snandc->qspi->num_cw;  in qcom_spi_read_last_cw()
513 	snandc->regs->addr0 = (snandc->qspi->addr1 | cpu_to_le32(col));  in qcom_spi_read_last_cw()
514 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_read_last_cw()
521 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_read_last_cw()
562 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_check_error()
563 	int i, num_cw = snandc->qspi->num_cw;  in qcom_spi_check_error()
568 	snandc->qspi->ecc_stats.failed = 0;  in qcom_spi_check_error()
569 	snandc->qspi->ecc_stats.corrected = 0;  in qcom_spi_check_error()
605 			snandc->qspi->ecc_stats.corrected += stat;  in qcom_spi_check_error()
619 		snandc->qspi->ecc_stats.bitflips = max_bitflips;  in qcom_spi_check_error()
621 		snandc->qspi->ecc_stats.failed++;  in qcom_spi_check_error()
645 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_read_cw_raw()
646 	struct mtd_info *mtd = snandc->qspi->mtd;  in qcom_spi_read_cw_raw()
650 	u32 cfg0, cfg1, ecc_bch_cfg, num_cw = snandc->qspi->num_cw;  in qcom_spi_read_cw_raw()
666 	snandc->regs->addr0 = (snandc->qspi->addr1 | cpu_to_le32(col));  in qcom_spi_read_cw_raw()
667 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_read_cw_raw()
668 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_read_cw_raw()
737 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_read_page_raw()
740 	u32 num_cw = snandc->qspi->num_cw;  in qcom_spi_read_page_raw()
742 	if (snandc->qspi->page_rw)  in qcom_spi_read_page_raw()
745 	oob_buf = snandc->qspi->oob_buf;  in qcom_spi_read_page_raw()
765 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_read_page_ecc()
768 	u32 cfg0, cfg1, ecc_bch_cfg, num_cw = snandc->qspi->num_cw;  in qcom_spi_read_page_ecc()
773 	oob_buf = snandc->qspi->oob_buf;  in qcom_spi_read_page_ecc()
785 	snandc->regs->addr0 = snandc->qspi->addr1;  in qcom_spi_read_page_ecc()
786 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_read_page_ecc()
787 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_read_page_ecc()
861 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_read_page_oob()
864 	u32 cfg0, cfg1, ecc_bch_cfg, num_cw = snandc->qspi->num_cw;  in qcom_spi_read_page_oob()
881 	snandc->regs->addr0 = snandc->qspi->addr1;  in qcom_spi_read_page_oob()
882 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_read_page_oob()
883 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_read_page_oob()
943 	if (snandc->qspi->page_rw && snandc->qspi->raw_rw)  in qcom_spi_read_page()
946 	if (snandc->qspi->page_rw)  in qcom_spi_read_page()
949 	if (snandc->qspi->oob_rw && snandc->qspi->raw_rw)  in qcom_spi_read_page()
952 	if (snandc->qspi->oob_rw)  in qcom_spi_read_page()
980 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_program_raw()
981 	struct mtd_info *mtd = snandc->qspi->mtd;  in qcom_spi_program_raw()
984 	int num_cw = snandc->qspi->num_cw;  in qcom_spi_program_raw()
992 	data_buf = snandc->qspi->data_buf;  in qcom_spi_program_raw()
994 	oob_buf = snandc->qspi->oob_buf;  in qcom_spi_program_raw()
1002 	snandc->regs->addr0 = snandc->qspi->addr1;  in qcom_spi_program_raw()
1003 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_program_raw()
1004 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_program_raw()
1064 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_program_ecc()
1067 	int num_cw = snandc->qspi->num_cw;  in qcom_spi_program_ecc()
1076 	if (snandc->qspi->data_buf)  in qcom_spi_program_ecc()
1077 		data_buf = snandc->qspi->data_buf;  in qcom_spi_program_ecc()
1079 	oob_buf = snandc->qspi->oob_buf;  in qcom_spi_program_ecc()
1086 	snandc->regs->addr0 = snandc->qspi->addr1;  in qcom_spi_program_ecc()
1087 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_program_ecc()
1088 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_program_ecc()
1141 	struct qpic_ecc *ecc_cfg = snandc->qspi->ecc;  in qcom_spi_program_oob()
1144 	int num_cw = snandc->qspi->num_cw;  in qcom_spi_program_oob()
1155 	oob_buf = snandc->qspi->data_buf;  in qcom_spi_program_oob()
1161 	snandc->regs->addr0 = (snandc->qspi->addr1 | cpu_to_le32(col));  in qcom_spi_program_oob()
1162 	snandc->regs->addr1 = snandc->qspi->addr2;  in qcom_spi_program_oob()
1163 	snandc->regs->cmd = snandc->qspi->cmd;  in qcom_spi_program_oob()
1172 	oob_size = snandc->qspi->mtd->oobavail;  in qcom_spi_program_oob()
1176 	mtd_ooblayout_get_databytes(snandc->qspi->mtd, snandc->data_buffer + data_size,  in qcom_spi_program_oob()
1177 				    oob_buf, 0, snandc->qspi->mtd->oobavail);  in qcom_spi_program_oob()
1194 	if (snandc->qspi->page_rw && snandc->qspi->raw_rw)  in qcom_spi_program_execute()
1197 	if (snandc->qspi->page_rw)  in qcom_spi_program_execute()
1200 	if (snandc->qspi->oob_rw)  in qcom_spi_program_execute()
1223 		if (snandc->qspi->raw_rw) {  in qcom_spi_cmd_mapping()
1265 		snandc->qspi->data_buf = (u8 *)op->data.buf.out;  in qcom_spi_write_page()
1293 		snandc->qspi->addr1 = cpu_to_le32(s_op.addr1_reg);  in qcom_spi_send_cmdaddr()
1294 		snandc->qspi->addr2 = cpu_to_le32(s_op.addr2_reg);  in qcom_spi_send_cmdaddr()
1295 		snandc->qspi->cmd = cpu_to_le32(cmd);  in qcom_spi_send_cmdaddr()
1300 		snandc->qspi->addr1 = cpu_to_le32(s_op.addr1_reg);  in qcom_spi_send_cmdaddr()
1301 		snandc->qspi->addr2 = cpu_to_le32(s_op.addr2_reg);  in qcom_spi_send_cmdaddr()
1302 		snandc->qspi->cmd = cpu_to_le32(cmd);  in qcom_spi_send_cmdaddr()
1307 		snandc->qspi->addr1 = cpu_to_le32(s_op.addr1_reg << 16);  in qcom_spi_send_cmdaddr()
1308 		snandc->qspi->addr2 = cpu_to_le32(s_op.addr2_reg);  in qcom_spi_send_cmdaddr()
1309 		snandc->qspi->cmd = cpu_to_le32(cmd);  in qcom_spi_send_cmdaddr()
1467 	struct qpic_spi_nand *qspi;  in qcom_spi_probe()  local
1477 	qspi = devm_kzalloc(dev, sizeof(*qspi), GFP_KERNEL);  in qcom_spi_probe()
1478 	if (!qspi)  in qcom_spi_probe()
1488 	qspi->snandc = snandc;  in qcom_spi_probe()
1491 	snandc->qspi = qspi;  in qcom_spi_probe()
1492 	snandc->qspi->ctlr = ctlr;  in qcom_spi_probe()
1493 	snandc->qspi->ecc = ecc;  in qcom_spi_probe()
1512 	snandc->qspi->iomacro_clk = devm_clk_get(dev, "iom");  in qcom_spi_probe()
1513 	if (IS_ERR(snandc->qspi->iomacro_clk))  in qcom_spi_probe()
1514 		return PTR_ERR(snandc->qspi->iomacro_clk);  in qcom_spi_probe()
1534 	ret = clk_prepare_enable(snandc->qspi->iomacro_clk);  in qcom_spi_probe()
1547 	snandc->qspi->ecc_eng.dev = &pdev->dev;  in qcom_spi_probe()
1548 	snandc->qspi->ecc_eng.integration = NAND_ECC_ENGINE_INTEGRATION_PIPELINED;  in qcom_spi_probe()
1549 	snandc->qspi->ecc_eng.ops = &qcom_spi_ecc_engine_ops_pipelined;  in qcom_spi_probe()
1550 	snandc->qspi->ecc_eng.priv = snandc;  in qcom_spi_probe()
1552 	ret = nand_ecc_register_on_host_hw_engine(&snandc->qspi->ecc_eng);  in qcom_spi_probe()
1576 	clk_disable_unprepare(snandc->qspi->iomacro_clk);  in qcom_spi_probe()
1599 	clk_disable_unprepare(snandc->qspi->iomacro_clk);  in qcom_spi_remove()
1629 MODULE_DESCRIPTION("SPI driver for QPIC QSPI cores");