Lines Matching full:nc
199 int (*remove)(struct atmel_nand_controller *nc);
200 void (*nand_init)(struct atmel_nand_controller *nc,
288 struct atmel_hsmc_nand_controller *nc = data; in atmel_nfc_interrupt() local
292 regmap_read(nc->base.smc, ATMEL_HSMC_NFC_SR, &sr); in atmel_nfc_interrupt()
294 rcvd = sr & (nc->op.wait | ATMEL_HSMC_NFC_SR_ERRORS); in atmel_nfc_interrupt()
295 done = atmel_nfc_op_done(&nc->op, sr); in atmel_nfc_interrupt()
298 regmap_write(nc->base.smc, ATMEL_HSMC_NFC_IDR, rcvd); in atmel_nfc_interrupt()
301 complete(&nc->complete); in atmel_nfc_interrupt()
306 static int atmel_nfc_wait(struct atmel_hsmc_nand_controller *nc, bool poll, in atmel_nfc_wait() argument
317 ret = regmap_read_poll_timeout(nc->base.smc, in atmel_nfc_wait()
319 atmel_nfc_op_done(&nc->op, in atmel_nfc_wait()
323 init_completion(&nc->complete); in atmel_nfc_wait()
324 regmap_write(nc->base.smc, ATMEL_HSMC_NFC_IER, in atmel_nfc_wait()
325 nc->op.wait | ATMEL_HSMC_NFC_SR_ERRORS); in atmel_nfc_wait()
326 ret = wait_for_completion_timeout(&nc->complete, in atmel_nfc_wait()
333 regmap_write(nc->base.smc, ATMEL_HSMC_NFC_IDR, 0xffffffff); in atmel_nfc_wait()
336 if (nc->op.errors & ATMEL_HSMC_NFC_SR_DTOE) { in atmel_nfc_wait()
337 dev_err(nc->base.dev, "Waiting NAND R/B Timeout\n"); in atmel_nfc_wait()
341 if (nc->op.errors & ATMEL_HSMC_NFC_SR_UNDEF) { in atmel_nfc_wait()
342 dev_err(nc->base.dev, "Access to an undefined area\n"); in atmel_nfc_wait()
346 if (nc->op.errors & ATMEL_HSMC_NFC_SR_AWB) { in atmel_nfc_wait()
347 dev_err(nc->base.dev, "Access while busy\n"); in atmel_nfc_wait()
351 if (nc->op.errors & ATMEL_HSMC_NFC_SR_NFCASE) { in atmel_nfc_wait()
352 dev_err(nc->base.dev, "Wrong access size\n"); in atmel_nfc_wait()
366 static int atmel_nand_dma_transfer(struct atmel_nand_controller *nc, in atmel_nand_dma_transfer() argument
375 buf_dma = dma_map_single(nc->dev, buf, len, dir); in atmel_nand_dma_transfer()
376 if (dma_mapping_error(nc->dev, buf_dma)) { in atmel_nand_dma_transfer()
377 dev_err(nc->dev, in atmel_nand_dma_transfer()
390 tx = dmaengine_prep_dma_memcpy(nc->dmac, dst_dma, src_dma, len, in atmel_nand_dma_transfer()
393 dev_err(nc->dev, "Failed to prepare DMA memcpy\n"); in atmel_nand_dma_transfer()
402 dev_err(nc->dev, "Failed to do DMA tx_submit\n"); in atmel_nand_dma_transfer()
406 dma_async_issue_pending(nc->dmac); in atmel_nand_dma_transfer()
408 dma_unmap_single(nc->dev, buf_dma, len, dir); in atmel_nand_dma_transfer()
413 dma_unmap_single(nc->dev, buf_dma, len, dir); in atmel_nand_dma_transfer()
416 dev_dbg(nc->dev, "Fall back to CPU I/O\n"); in atmel_nand_dma_transfer()
421 static int atmel_nfc_exec_op(struct atmel_hsmc_nand_controller *nc, bool poll) in atmel_nfc_exec_op() argument
423 u8 *addrs = nc->op.addrs; in atmel_nfc_exec_op()
428 nc->op.wait = ATMEL_HSMC_NFC_SR_CMDDONE; in atmel_nfc_exec_op()
430 for (i = 0; i < nc->op.ncmds; i++) in atmel_nfc_exec_op()
431 op |= ATMEL_NFC_CMD(i, nc->op.cmds[i]); in atmel_nfc_exec_op()
433 if (nc->op.naddrs == ATMEL_NFC_MAX_ADDR_CYCLES) in atmel_nfc_exec_op()
434 regmap_write(nc->base.smc, ATMEL_HSMC_NFC_ADDR, *addrs++); in atmel_nfc_exec_op()
436 op |= ATMEL_NFC_CSID(nc->op.cs) | in atmel_nfc_exec_op()
437 ATMEL_NFC_ACYCLE(nc->op.naddrs); in atmel_nfc_exec_op()
439 if (nc->op.ncmds > 1) in atmel_nfc_exec_op()
445 if (nc->op.data != ATMEL_NFC_NO_DATA) { in atmel_nfc_exec_op()
447 nc->op.wait |= ATMEL_HSMC_NFC_SR_XFRDONE; in atmel_nfc_exec_op()
449 if (nc->op.data == ATMEL_NFC_WRITE_DATA) in atmel_nfc_exec_op()
454 regmap_read(nc->base.smc, ATMEL_HSMC_NFC_SR, &val); in atmel_nfc_exec_op()
457 regmap_write(nc->io, op, addr); in atmel_nfc_exec_op()
459 ret = atmel_nfc_wait(nc, poll, 0); in atmel_nfc_exec_op()
461 dev_err(nc->base.dev, in atmel_nfc_exec_op()
466 memset(&nc->op, 0, sizeof(nc->op)); in atmel_nfc_exec_op()
474 struct atmel_nand_controller *nc; in atmel_nand_data_in() local
476 nc = to_nand_controller(nand->base.controller); in atmel_nand_data_in()
483 if (nc->dmac && virt_addr_valid(buf) && in atmel_nand_data_in()
485 !atmel_nand_dma_transfer(nc, buf, nand->activecs->io.dma, len, in atmel_nand_data_in()
498 struct atmel_nand_controller *nc; in atmel_nand_data_out() local
500 nc = to_nand_controller(nand->base.controller); in atmel_nand_data_out()
507 if (nc->dmac && virt_addr_valid(buf) && in atmel_nand_data_out()
509 !atmel_nand_dma_transfer(nc, (void *)buf, nand->activecs->io.dma, in atmel_nand_data_out()
531 struct atmel_hsmc_nand_controller *nc; in atmel_hsmc_nand_waitrdy() local
537 nc = to_hsmc_nand_controller(nand->base.controller); in atmel_hsmc_nand_waitrdy()
539 return regmap_read_poll_timeout_atomic(nc->base.smc, ATMEL_HSMC_NFC_SR, in atmel_hsmc_nand_waitrdy()
554 struct atmel_hsmc_nand_controller *nc; in atmel_hsmc_nand_select_target() local
560 nc = to_hsmc_nand_controller(nand->base.controller); in atmel_hsmc_nand_select_target()
561 if (nc->cfg == cfg) in atmel_hsmc_nand_select_target()
564 regmap_update_bits(nc->base.smc, ATMEL_HSMC_NFC_CFG, in atmel_hsmc_nand_select_target()
570 nc->cfg = cfg; in atmel_hsmc_nand_select_target()
576 struct atmel_nand_controller *nc; in atmel_smc_nand_exec_instr() local
579 nc = to_nand_controller(nand->base.controller); in atmel_smc_nand_exec_instr()
583 nand->activecs->io.virt + nc->caps->cle_offs); in atmel_smc_nand_exec_instr()
588 nand->activecs->io.virt + nc->caps->ale_offs); in atmel_smc_nand_exec_instr()
636 struct atmel_hsmc_nand_controller *nc; in atmel_hsmc_exec_cmd_addr() local
639 nc = to_hsmc_nand_controller(chip->controller); in atmel_hsmc_exec_cmd_addr()
641 nc->op.cs = nand->activecs->id; in atmel_hsmc_exec_cmd_addr()
646 nc->op.cmds[nc->op.ncmds++] = instr->ctx.cmd.opcode; in atmel_hsmc_exec_cmd_addr()
652 nc->op.addrs[nc->op.naddrs] = instr->ctx.addr.addrs[j]; in atmel_hsmc_exec_cmd_addr()
653 nc->op.naddrs++; in atmel_hsmc_exec_cmd_addr()
657 return atmel_nfc_exec_op(nc, true); in atmel_hsmc_exec_cmd_addr()
721 struct atmel_hsmc_nand_controller *nc; in atmel_nfc_copy_to_sram() local
724 nc = to_hsmc_nand_controller(chip->controller); in atmel_nfc_copy_to_sram()
726 if (nc->base.dmac) in atmel_nfc_copy_to_sram()
727 ret = atmel_nand_dma_transfer(&nc->base, (void *)buf, in atmel_nfc_copy_to_sram()
728 nc->sram.dma, mtd->writesize, in atmel_nfc_copy_to_sram()
733 memcpy_toio(nc->sram.virt, buf, mtd->writesize); in atmel_nfc_copy_to_sram()
736 memcpy_toio(nc->sram.virt + mtd->writesize, chip->oob_poi, in atmel_nfc_copy_to_sram()
744 struct atmel_hsmc_nand_controller *nc; in atmel_nfc_copy_from_sram() local
747 nc = to_hsmc_nand_controller(chip->controller); in atmel_nfc_copy_from_sram()
749 if (nc->base.dmac) in atmel_nfc_copy_from_sram()
750 ret = atmel_nand_dma_transfer(&nc->base, buf, nc->sram.dma, in atmel_nfc_copy_from_sram()
755 memcpy_fromio(buf, nc->sram.virt, mtd->writesize); in atmel_nfc_copy_from_sram()
758 memcpy_fromio(chip->oob_poi, nc->sram.virt + mtd->writesize, in atmel_nfc_copy_from_sram()
765 struct atmel_hsmc_nand_controller *nc; in atmel_nfc_set_op_addr() local
767 nc = to_hsmc_nand_controller(chip->controller); in atmel_nfc_set_op_addr()
770 nc->op.addrs[nc->op.naddrs++] = column; in atmel_nfc_set_op_addr()
776 nc->op.addrs[nc->op.naddrs++] = column >> 8; in atmel_nfc_set_op_addr()
780 nc->op.addrs[nc->op.naddrs++] = page; in atmel_nfc_set_op_addr()
781 nc->op.addrs[nc->op.naddrs++] = page >> 8; in atmel_nfc_set_op_addr()
784 nc->op.addrs[nc->op.naddrs++] = page >> 16; in atmel_nfc_set_op_addr()
791 struct atmel_nand_controller *nc; in atmel_nand_pmecc_enable() local
794 nc = to_nand_controller(chip->controller); in atmel_nand_pmecc_enable()
801 dev_err(nc->dev, in atmel_nand_pmecc_enable()
819 struct atmel_nand_controller *nc; in atmel_nand_pmecc_generate_eccbytes() local
824 nc = to_nand_controller(chip->controller); in atmel_nand_pmecc_generate_eccbytes()
831 dev_err(nc->dev, in atmel_nand_pmecc_generate_eccbytes()
854 struct atmel_nand_controller *nc; in atmel_nand_pmecc_correct_data() local
859 nc = to_nand_controller(chip->controller); in atmel_nand_pmecc_correct_data()
866 dev_err(nc->dev, in atmel_nand_pmecc_correct_data()
988 struct atmel_hsmc_nand_controller *nc; in atmel_hsmc_nand_pmecc_write_pg() local
992 nc = to_hsmc_nand_controller(chip->controller); in atmel_hsmc_nand_pmecc_write_pg()
996 nc->op.cmds[0] = NAND_CMD_SEQIN; in atmel_hsmc_nand_pmecc_write_pg()
997 nc->op.ncmds = 1; in atmel_hsmc_nand_pmecc_write_pg()
999 nc->op.cs = nand->activecs->id; in atmel_hsmc_nand_pmecc_write_pg()
1000 nc->op.data = ATMEL_NFC_WRITE_DATA; in atmel_hsmc_nand_pmecc_write_pg()
1006 ret = atmel_nfc_exec_op(nc, false); in atmel_hsmc_nand_pmecc_write_pg()
1009 dev_err(nc->base.dev, in atmel_hsmc_nand_pmecc_write_pg()
1049 struct atmel_hsmc_nand_controller *nc; in atmel_hsmc_nand_pmecc_read_pg() local
1053 nc = to_hsmc_nand_controller(chip->controller); in atmel_hsmc_nand_pmecc_read_pg()
1064 nc->op.cmds[nc->op.ncmds++] = NAND_CMD_READ0; in atmel_hsmc_nand_pmecc_read_pg()
1067 nc->op.cmds[nc->op.ncmds++] = NAND_CMD_READSTART; in atmel_hsmc_nand_pmecc_read_pg()
1070 nc->op.cs = nand->activecs->id; in atmel_hsmc_nand_pmecc_read_pg()
1071 nc->op.data = ATMEL_NFC_READ_DATA; in atmel_hsmc_nand_pmecc_read_pg()
1077 ret = atmel_nfc_exec_op(nc, false); in atmel_hsmc_nand_pmecc_read_pg()
1080 dev_err(nc->base.dev, in atmel_hsmc_nand_pmecc_read_pg()
1117 struct atmel_nand_controller *nc; in atmel_nand_pmecc_init() local
1120 nc = to_nand_controller(chip->controller); in atmel_nand_pmecc_init()
1122 if (!nc->pmecc) { in atmel_nand_pmecc_init()
1123 dev_err(nc->dev, "HW ECC not supported\n"); in atmel_nand_pmecc_init()
1127 if (nc->caps->legacy_of_bindings) { in atmel_nand_pmecc_init()
1130 if (!of_property_read_u32(nc->dev->of_node, "atmel,pmecc-cap", in atmel_nand_pmecc_init()
1134 if (!of_property_read_u32(nc->dev->of_node, in atmel_nand_pmecc_init()
1167 nand->pmecc = atmel_pmecc_create_user(nc->pmecc, &req); in atmel_nand_pmecc_init()
1185 struct atmel_nand_controller *nc; in atmel_nand_ecc_init() local
1188 nc = to_nand_controller(chip->controller); in atmel_nand_ecc_init()
1211 dev_err(nc->dev, "Unsupported ECC mode: %d\n", in atmel_nand_ecc_init()
1244 struct atmel_nand_controller *nc; in atmel_smc_nand_prepare_smcconf() local
1247 nc = to_nand_controller(nand->base.controller); in atmel_smc_nand_prepare_smcconf()
1262 mckperiodps = NSEC_PER_SEC / clk_get_rate(nc->mck); in atmel_smc_nand_prepare_smcconf()
1488 struct atmel_nand_controller *nc; in atmel_smc_nand_setup_interface() local
1493 nc = to_nand_controller(nand->base.controller); in atmel_smc_nand_setup_interface()
1504 atmel_smc_cs_conf_apply(nc->smc, cs->id, &cs->smcconf); in atmel_smc_nand_setup_interface()
1513 struct atmel_hsmc_nand_controller *nc; in atmel_hsmc_nand_setup_interface() local
1518 nc = to_hsmc_nand_controller(nand->base.controller); in atmel_hsmc_nand_setup_interface()
1533 atmel_hsmc_cs_conf_apply(nc->base.smc, nc->hsmc_layout, cs->id, in atmel_hsmc_nand_setup_interface()
1544 struct atmel_nand_controller *nc; in atmel_nand_setup_interface() local
1550 nc = to_nand_controller(nand->base.controller); in atmel_nand_setup_interface()
1556 return nc->caps->ops->setup_interface(nand, csline, conf); in atmel_nand_setup_interface()
1564 struct atmel_nand_controller *nc; in atmel_nand_exec_op() local
1566 nc = to_nand_controller(nand->base.controller); in atmel_nand_exec_op()
1568 return nc->caps->ops->exec_op(nand, op, check_only); in atmel_nand_exec_op()
1571 static void atmel_nand_init(struct atmel_nand_controller *nc, in atmel_nand_init() argument
1577 mtd->dev.parent = nc->dev; in atmel_nand_init()
1578 nand->base.controller = &nc->base; in atmel_nand_init()
1580 if (!nc->mck || !nc->caps->ops->setup_interface) in atmel_nand_init()
1587 if (nc->dmac) in atmel_nand_init()
1591 if (nc->pmecc) in atmel_nand_init()
1595 static void atmel_smc_nand_init(struct atmel_nand_controller *nc, in atmel_smc_nand_init() argument
1602 atmel_nand_init(nc, nand); in atmel_smc_nand_init()
1637 static struct atmel_nand *atmel_nand_create(struct atmel_nand_controller *nc, in atmel_nand_create() argument
1648 dev_err(nc->dev, "Missing or invalid reg property\n"); in atmel_nand_create()
1652 nand = devm_kzalloc(nc->dev, struct_size(nand, cs, numcs), GFP_KERNEL); in atmel_nand_create()
1658 gpio = devm_fwnode_gpiod_get(nc->dev, of_fwnode_handle(np), in atmel_nand_create()
1661 dev_err(nc->dev, in atmel_nand_create()
1676 dev_err(nc->dev, "Invalid reg property (err = %d)\n", in atmel_nand_create()
1684 dev_err(nc->dev, "Invalid reg property (err = %d)\n", in atmel_nand_create()
1692 nand->cs[i].io.virt = devm_ioremap_resource(nc->dev, &res); in atmel_nand_create()
1703 gpio = devm_fwnode_gpiod_get_index(nc->dev, in atmel_nand_create()
1708 dev_err(nc->dev, in atmel_nand_create()
1720 gpio = devm_fwnode_gpiod_get_index(nc->dev, in atmel_nand_create()
1725 dev_err(nc->dev, in atmel_nand_create()
1741 atmel_nand_controller_add_nand(struct atmel_nand_controller *nc, in atmel_nand_controller_add_nand() argument
1750 dev_info(nc->dev, "No SmartMedia card inserted.\n"); in atmel_nand_controller_add_nand()
1754 nc->caps->ops->nand_init(nc, nand); in atmel_nand_controller_add_nand()
1758 dev_err(nc->dev, "NAND scan failed: %d\n", ret); in atmel_nand_controller_add_nand()
1764 dev_err(nc->dev, "Failed to register mtd device: %d\n", ret); in atmel_nand_controller_add_nand()
1769 list_add_tail(&nand->node, &nc->chips); in atmel_nand_controller_add_nand()
1775 atmel_nand_controller_remove_nands(struct atmel_nand_controller *nc) in atmel_nand_controller_remove_nands() argument
1780 list_for_each_entry_safe(nand, tmp, &nc->chips, node) { in atmel_nand_controller_remove_nands()
1790 atmel_nand_controller_legacy_add_nands(struct atmel_nand_controller *nc) in atmel_nand_controller_legacy_add_nands() argument
1792 struct device *dev = nc->dev; in atmel_nand_controller_legacy_add_nands()
1802 nand = devm_kzalloc(nc->dev, sizeof(*nand) + sizeof(*nand->cs), in atmel_nand_controller_legacy_add_nands()
1849 gpio = devm_gpiod_get_index_optional(nc->dev, NULL, 2, GPIOD_IN); in atmel_nand_controller_legacy_add_nands()
1859 nand_set_flash_node(&nand->base, nc->dev->of_node); in atmel_nand_controller_legacy_add_nands()
1861 return atmel_nand_controller_add_nand(nc, nand); in atmel_nand_controller_legacy_add_nands()
1864 static int atmel_nand_controller_add_nands(struct atmel_nand_controller *nc) in atmel_nand_controller_add_nands() argument
1867 struct device *dev = nc->dev; in atmel_nand_controller_add_nands()
1872 if (nc->caps->legacy_of_bindings) in atmel_nand_controller_add_nands()
1873 return atmel_nand_controller_legacy_add_nands(nc); in atmel_nand_controller_add_nands()
1896 nand = atmel_nand_create(nc, nand_np, reg_cells); in atmel_nand_controller_add_nands()
1902 ret = atmel_nand_controller_add_nand(nc, nand); in atmel_nand_controller_add_nands()
1910 atmel_nand_controller_remove_nands(nc); in atmel_nand_controller_add_nands()
1915 static void atmel_nand_controller_cleanup(struct atmel_nand_controller *nc) in atmel_nand_controller_cleanup() argument
1917 if (nc->dmac) in atmel_nand_controller_cleanup()
1918 dma_release_channel(nc->dmac); in atmel_nand_controller_cleanup()
1920 clk_put(nc->mck); in atmel_nand_controller_cleanup()
1994 struct atmel_nand_controller *nc = to_nand_controller(chip->controller); in atmel_nand_attach_chip() local
1999 ret = nc->caps->ops->ecc_init(chip); in atmel_nand_attach_chip()
2003 if (nc->caps->legacy_of_bindings || !nc->dev->of_node) { in atmel_nand_attach_chip()
2021 mtd->name = devm_kasprintf(nc->dev, GFP_KERNEL, in atmel_nand_attach_chip()
2022 "%s:nand.%d", dev_name(nc->dev), in atmel_nand_attach_chip()
2025 dev_err(nc->dev, "Failed to allocate mtd->name\n"); in atmel_nand_attach_chip()
2039 static int atmel_nand_controller_init(struct atmel_nand_controller *nc, in atmel_nand_controller_init() argument
2047 nand_controller_init(&nc->base); in atmel_nand_controller_init()
2048 nc->base.ops = &atmel_nand_controller_ops; in atmel_nand_controller_init()
2049 INIT_LIST_HEAD(&nc->chips); in atmel_nand_controller_init()
2050 nc->dev = dev; in atmel_nand_controller_init()
2051 nc->caps = caps; in atmel_nand_controller_init()
2053 platform_set_drvdata(pdev, nc); in atmel_nand_controller_init()
2055 nc->pmecc = devm_atmel_pmecc_get(dev); in atmel_nand_controller_init()
2056 if (IS_ERR(nc->pmecc)) in atmel_nand_controller_init()
2057 return dev_err_probe(dev, PTR_ERR(nc->pmecc), in atmel_nand_controller_init()
2060 if (nc->caps->has_dma && !atmel_nand_avoid_dma) { in atmel_nand_controller_init()
2066 nc->dmac = dma_request_channel(mask, NULL, NULL); in atmel_nand_controller_init()
2067 if (nc->dmac) in atmel_nand_controller_init()
2068 dev_info(nc->dev, "using %s for DMA transfers\n", in atmel_nand_controller_init()
2069 dma_chan_name(nc->dmac)); in atmel_nand_controller_init()
2071 dev_err(nc->dev, "Failed to request DMA channel\n"); in atmel_nand_controller_init()
2075 if (nc->caps->legacy_of_bindings) in atmel_nand_controller_init()
2078 nc->mck = of_clk_get(dev->parent->of_node, 0); in atmel_nand_controller_init()
2079 if (IS_ERR(nc->mck)) { in atmel_nand_controller_init()
2081 ret = PTR_ERR(nc->mck); in atmel_nand_controller_init()
2092 nc->smc = syscon_node_to_regmap(np); in atmel_nand_controller_init()
2094 if (IS_ERR(nc->smc)) { in atmel_nand_controller_init()
2095 ret = PTR_ERR(nc->smc); in atmel_nand_controller_init()
2103 if (nc->dmac) in atmel_nand_controller_init()
2104 dma_release_channel(nc->dmac); in atmel_nand_controller_init()
2110 atmel_smc_nand_controller_init(struct atmel_smc_nand_controller *nc) in atmel_smc_nand_controller_init() argument
2112 struct device *dev = nc->base.dev; in atmel_smc_nand_controller_init()
2118 if (nc->base.caps->legacy_of_bindings) in atmel_smc_nand_controller_init()
2122 nc->base.caps->ebi_csa_regmap_name, 0); in atmel_smc_nand_controller_init()
2132 nc->ebi_csa_regmap = syscon_node_to_regmap(np); in atmel_smc_nand_controller_init()
2134 if (IS_ERR(nc->ebi_csa_regmap)) { in atmel_smc_nand_controller_init()
2135 ret = PTR_ERR(nc->ebi_csa_regmap); in atmel_smc_nand_controller_init()
2140 nc->ebi_csa = (struct atmel_smc_nand_ebi_csa_cfg *)match->data; in atmel_smc_nand_controller_init()
2148 nc->ebi_csa->offs += 4; in atmel_smc_nand_controller_init()
2154 atmel_hsmc_nand_controller_legacy_init(struct atmel_hsmc_nand_controller *nc) in atmel_hsmc_nand_controller_legacy_init() argument
2162 struct device *dev = nc->base.dev; in atmel_hsmc_nand_controller_legacy_init()
2175 nc->clk = of_clk_get(nfc_np, 0); in atmel_hsmc_nand_controller_legacy_init()
2176 if (IS_ERR(nc->clk)) { in atmel_hsmc_nand_controller_legacy_init()
2177 ret = PTR_ERR(nc->clk); in atmel_hsmc_nand_controller_legacy_init()
2183 ret = clk_prepare_enable(nc->clk); in atmel_hsmc_nand_controller_legacy_init()
2190 nc->irq = of_irq_get(nand_np, 0); in atmel_hsmc_nand_controller_legacy_init()
2191 if (nc->irq <= 0) { in atmel_hsmc_nand_controller_legacy_init()
2192 ret = nc->irq ?: -ENXIO; in atmel_hsmc_nand_controller_legacy_init()
2214 nc->io = devm_regmap_init_mmio(dev, iomem, ®map_conf); in atmel_hsmc_nand_controller_legacy_init()
2215 if (IS_ERR(nc->io)) { in atmel_hsmc_nand_controller_legacy_init()
2216 ret = PTR_ERR(nc->io); in atmel_hsmc_nand_controller_legacy_init()
2237 nc->base.smc = devm_regmap_init_mmio(dev, iomem, ®map_conf); in atmel_hsmc_nand_controller_legacy_init()
2238 if (IS_ERR(nc->base.smc)) { in atmel_hsmc_nand_controller_legacy_init()
2239 ret = PTR_ERR(nc->base.smc); in atmel_hsmc_nand_controller_legacy_init()
2252 nc->sram.virt = devm_ioremap_resource(dev, &res); in atmel_hsmc_nand_controller_legacy_init()
2253 if (IS_ERR(nc->sram.virt)) { in atmel_hsmc_nand_controller_legacy_init()
2254 ret = PTR_ERR(nc->sram.virt); in atmel_hsmc_nand_controller_legacy_init()
2258 nc->sram.dma = res.start; in atmel_hsmc_nand_controller_legacy_init()
2267 atmel_hsmc_nand_controller_init(struct atmel_hsmc_nand_controller *nc) in atmel_hsmc_nand_controller_init() argument
2269 struct device *dev = nc->base.dev; in atmel_hsmc_nand_controller_init()
2279 nc->hsmc_layout = atmel_hsmc_get_reg_layout(np); in atmel_hsmc_nand_controller_init()
2281 nc->irq = of_irq_get(np, 0); in atmel_hsmc_nand_controller_init()
2283 if (nc->irq <= 0) { in atmel_hsmc_nand_controller_init()
2284 ret = nc->irq ?: -ENXIO; in atmel_hsmc_nand_controller_init()
2297 nc->io = syscon_node_to_regmap(np); in atmel_hsmc_nand_controller_init()
2299 if (IS_ERR(nc->io)) { in atmel_hsmc_nand_controller_init()
2300 ret = PTR_ERR(nc->io); in atmel_hsmc_nand_controller_init()
2305 nc->sram.pool = of_gen_pool_get(nc->base.dev->of_node, in atmel_hsmc_nand_controller_init()
2307 if (!nc->sram.pool) { in atmel_hsmc_nand_controller_init()
2308 dev_err(nc->base.dev, "Missing SRAM\n"); in atmel_hsmc_nand_controller_init()
2312 nc->sram.virt = (void __iomem *)gen_pool_dma_alloc(nc->sram.pool, in atmel_hsmc_nand_controller_init()
2314 &nc->sram.dma); in atmel_hsmc_nand_controller_init()
2315 if (!nc->sram.virt) { in atmel_hsmc_nand_controller_init()
2316 dev_err(nc->base.dev, in atmel_hsmc_nand_controller_init()
2325 atmel_hsmc_nand_controller_remove(struct atmel_nand_controller *nc) in atmel_hsmc_nand_controller_remove() argument
2330 ret = atmel_nand_controller_remove_nands(nc); in atmel_hsmc_nand_controller_remove()
2334 hsmc_nc = container_of(nc, struct atmel_hsmc_nand_controller, base); in atmel_hsmc_nand_controller_remove()
2348 atmel_nand_controller_cleanup(nc); in atmel_hsmc_nand_controller_remove()
2357 struct atmel_hsmc_nand_controller *nc; in atmel_hsmc_nand_controller_probe() local
2360 nc = devm_kzalloc(dev, sizeof(*nc), GFP_KERNEL); in atmel_hsmc_nand_controller_probe()
2361 if (!nc) in atmel_hsmc_nand_controller_probe()
2364 ret = atmel_nand_controller_init(&nc->base, pdev, caps); in atmel_hsmc_nand_controller_probe()
2369 ret = atmel_hsmc_nand_controller_legacy_init(nc); in atmel_hsmc_nand_controller_probe()
2371 ret = atmel_hsmc_nand_controller_init(nc); in atmel_hsmc_nand_controller_probe()
2377 regmap_write(nc->base.smc, ATMEL_HSMC_NFC_IDR, 0xffffffff); in atmel_hsmc_nand_controller_probe()
2378 ret = devm_request_irq(dev, nc->irq, atmel_nfc_interrupt, in atmel_hsmc_nand_controller_probe()
2379 IRQF_SHARED, "nfc", nc); in atmel_hsmc_nand_controller_probe()
2388 regmap_write(nc->base.smc, ATMEL_HSMC_NFC_CFG, in atmel_hsmc_nand_controller_probe()
2390 regmap_write(nc->base.smc, ATMEL_HSMC_NFC_CTRL, in atmel_hsmc_nand_controller_probe()
2393 ret = atmel_nand_controller_add_nands(&nc->base); in atmel_hsmc_nand_controller_probe()
2400 atmel_hsmc_nand_controller_remove(&nc->base); in atmel_hsmc_nand_controller_probe()
2434 struct atmel_smc_nand_controller *nc; in atmel_smc_nand_controller_probe() local
2437 nc = devm_kzalloc(dev, sizeof(*nc), GFP_KERNEL); in atmel_smc_nand_controller_probe()
2438 if (!nc) in atmel_smc_nand_controller_probe()
2441 ret = atmel_nand_controller_init(&nc->base, pdev, caps); in atmel_smc_nand_controller_probe()
2445 ret = atmel_smc_nand_controller_init(nc); in atmel_smc_nand_controller_probe()
2449 return atmel_nand_controller_add_nands(&nc->base); in atmel_smc_nand_controller_probe()
2453 atmel_smc_nand_controller_remove(struct atmel_nand_controller *nc) in atmel_smc_nand_controller_remove() argument
2457 ret = atmel_nand_controller_remove_nands(nc); in atmel_smc_nand_controller_remove()
2461 atmel_nand_controller_cleanup(nc); in atmel_smc_nand_controller_remove()
2648 struct atmel_nand_controller *nc = platform_get_drvdata(pdev); in atmel_nand_controller_remove() local
2650 WARN_ON(nc->caps->ops->remove(nc)); in atmel_nand_controller_remove()
2655 struct atmel_nand_controller *nc = dev_get_drvdata(dev); in atmel_nand_controller_resume() local
2658 if (nc->pmecc) in atmel_nand_controller_resume()
2659 atmel_pmecc_reset(nc->pmecc); in atmel_nand_controller_resume()
2661 list_for_each_entry(nand, &nc->chips, node) { in atmel_nand_controller_resume()