52 	struct ndfc_controller *ndfc = nchip->priv;  in ndfc_select_chip()  local
54 	ccr = in_be32(ndfc->ndfcbase + NDFC_CCR);  in ndfc_select_chip()
57 		ccr |= NDFC_CCR_BS(chip + ndfc->chip_select);  in ndfc_select_chip()
60 	out_be32(ndfc->ndfcbase + NDFC_CCR, ccr);  in ndfc_select_chip()
66 	struct ndfc_controller *ndfc = chip->priv;  in ndfc_hwcontrol()  local
72 		writel(cmd & 0xFF, ndfc->ndfcbase + NDFC_CMD);  in ndfc_hwcontrol()
74 		writel(cmd & 0xFF, ndfc->ndfcbase + NDFC_ALE);  in ndfc_hwcontrol()
80 	struct ndfc_controller *ndfc = chip->priv;  in ndfc_ready()  local
82 	return in_be32(ndfc->ndfcbase + NDFC_STAT) & NDFC_STAT_IS_READY;  in ndfc_ready()
89 	struct ndfc_controller *ndfc = chip->priv;  in ndfc_enable_hwecc()  local
91 	ccr = in_be32(ndfc->ndfcbase + NDFC_CCR);  in ndfc_enable_hwecc()
93 	out_be32(ndfc->ndfcbase + NDFC_CCR, ccr);  in ndfc_enable_hwecc()
101 	struct ndfc_controller *ndfc = chip->priv;  in ndfc_calculate_ecc()  local
106 	ecc = in_be32(ndfc->ndfcbase + NDFC_ECC);  in ndfc_calculate_ecc()
125 	struct ndfc_controller *ndfc = chip->priv;  in ndfc_read_buf()  local
129 		*p++ = in_be32(ndfc->ndfcbase + NDFC_DATA);  in ndfc_read_buf()
135 	struct ndfc_controller *ndfc = chip->priv;  in ndfc_write_buf()  local
139 		out_be32(ndfc->ndfcbase + NDFC_DATA, *p++);  in ndfc_write_buf()
145 static int ndfc_chip_init(struct ndfc_controller *ndfc,  in ndfc_chip_init()  argument
149 	struct nand_chip *chip = &ndfc->chip;  in ndfc_chip_init()
153 	chip->IO_ADDR_R = ndfc->ndfcbase + NDFC_DATA;  in ndfc_chip_init()
154 	chip->IO_ADDR_W = ndfc->ndfcbase + NDFC_DATA;  in ndfc_chip_init()
159 	chip->controller = &ndfc->ndfc_control;  in ndfc_chip_init()
169 	chip->priv = ndfc;  in ndfc_chip_init()
171 	ndfc->mtd.priv = chip;  in ndfc_chip_init()
172 	ndfc->mtd.dev.parent = &ndfc->ofdev->dev;  in ndfc_chip_init()
179 	ndfc->mtd.name = kasprintf(GFP_KERNEL, "%s.%s",  in ndfc_chip_init()
180 			dev_name(&ndfc->ofdev->dev), flash_np->name);  in ndfc_chip_init()
181 	if (!ndfc->mtd.name) {  in ndfc_chip_init()
186 	ret = nand_scan(&ndfc->mtd, 1);  in ndfc_chip_init()
190 	ret = mtd_device_parse_register(&ndfc->mtd, NULL, &ppdata, NULL, 0);  in ndfc_chip_init()
195 		kfree(ndfc->mtd.name);  in ndfc_chip_init()
201 	struct ndfc_controller *ndfc;  in ndfc_probe()  local
220 	ndfc = &ndfc_ctrl[cs];  in ndfc_probe()
221 	ndfc->chip_select = cs;  in ndfc_probe()
223 	spin_lock_init(&ndfc->ndfc_control.lock);  in ndfc_probe()
224 	init_waitqueue_head(&ndfc->ndfc_control.wq);  in ndfc_probe()
225 	ndfc->ofdev = ofdev;  in ndfc_probe()
226 	dev_set_drvdata(&ofdev->dev, ndfc);  in ndfc_probe()
228 	ndfc->ndfcbase = of_iomap(ofdev->dev.of_node, 0);  in ndfc_probe()
229 	if (!ndfc->ndfcbase) {  in ndfc_probe()
234 	ccr = NDFC_CCR_BS(ndfc->chip_select);  in ndfc_probe()
241 	out_be32(ndfc->ndfcbase + NDFC_CCR, ccr);  in ndfc_probe()
246 		int offset = NDFC_BCFG0 + (ndfc->chip_select << 2);  in ndfc_probe()
247 		out_be32(ndfc->ndfcbase + offset, be32_to_cpup(reg));  in ndfc_probe()
250 	err = ndfc_chip_init(ndfc, ofdev->dev.of_node);  in ndfc_probe()
252 		iounmap(ndfc->ndfcbase);  in ndfc_probe()
261 	struct ndfc_controller *ndfc = dev_get_drvdata(&ofdev->dev);  in ndfc_remove()  local
263 	nand_release(&ndfc->mtd);  in ndfc_remove()
264 	kfree(ndfc->mtd.name);  in ndfc_remove()