92 	struct jz4780_nemc *nemc = dev_get_drvdata(dev->parent);  in jz4780_nemc_set_type()  local
95 	nfcsr = readl(nemc->base + NEMC_NFCSR);  in jz4780_nemc_set_type()
108 	writel(nfcsr, nemc->base + NEMC_NFCSR);  in jz4780_nemc_set_type()
123 	struct jz4780_nemc *nemc = dev_get_drvdata(dev->parent);  in jz4780_nemc_assert()  local
126 	nfcsr = readl(nemc->base + NEMC_NFCSR);  in jz4780_nemc_assert()
133 	writel(nfcsr, nemc->base + NEMC_NFCSR);  in jz4780_nemc_assert()
137 static uint32_t jz4780_nemc_clk_period(struct jz4780_nemc *nemc)  in jz4780_nemc_clk_period()  argument
141 	rate = clk_get_rate(nemc->clk);  in jz4780_nemc_clk_period()
149 static uint32_t jz4780_nemc_ns_to_cycles(struct jz4780_nemc *nemc, uint32_t ns)  in jz4780_nemc_ns_to_cycles()  argument
151 	return ((ns * 1000) + nemc->clk_period - 1) / nemc->clk_period;  in jz4780_nemc_ns_to_cycles()
154 static bool jz4780_nemc_configure_bank(struct jz4780_nemc *nemc,  in jz4780_nemc_configure_bank()  argument
183 	smcr = readl(nemc->base + NEMC_SMCRn(bank));  in jz4780_nemc_configure_bank()
197 			dev_err(nemc->dev, "unsupported bus width: %u\n", val);  in jz4780_nemc_configure_bank()
204 		cycles = jz4780_nemc_ns_to_cycles(nemc, val);  in jz4780_nemc_configure_bank()
206 			dev_err(nemc->dev, "tAS %u is too high (%u cycles)\n",  in jz4780_nemc_configure_bank()
216 		cycles = jz4780_nemc_ns_to_cycles(nemc, val);  in jz4780_nemc_configure_bank()
218 			dev_err(nemc->dev, "tAH %u is too high (%u cycles)\n",  in jz4780_nemc_configure_bank()
228 		cycles = jz4780_nemc_ns_to_cycles(nemc, val);  in jz4780_nemc_configure_bank()
230 			dev_err(nemc->dev, "tBP %u is too high (%u cycles)\n",  in jz4780_nemc_configure_bank()
240 		cycles = jz4780_nemc_ns_to_cycles(nemc, val);  in jz4780_nemc_configure_bank()
242 			dev_err(nemc->dev, "tAW %u is too high (%u cycles)\n",  in jz4780_nemc_configure_bank()
252 		cycles = jz4780_nemc_ns_to_cycles(nemc, val);  in jz4780_nemc_configure_bank()
254 			dev_err(nemc->dev, "tSTRV %u is too high (%u cycles)\n",  in jz4780_nemc_configure_bank()
262 	writel(smcr, nemc->base + NEMC_SMCRn(bank));  in jz4780_nemc_configure_bank()
269 	struct jz4780_nemc *nemc;  in jz4780_nemc_probe()  local
277 	nemc = devm_kzalloc(dev, sizeof(*nemc), GFP_KERNEL);  in jz4780_nemc_probe()
278 	if (!nemc)  in jz4780_nemc_probe()
281 	spin_lock_init(&nemc->lock);  in jz4780_nemc_probe()
282 	nemc->dev = dev;  in jz4780_nemc_probe()
285 	nemc->base = devm_ioremap_resource(dev, res);  in jz4780_nemc_probe()
286 	if (IS_ERR(nemc->base)) {  in jz4780_nemc_probe()
288 		return PTR_ERR(nemc->base);  in jz4780_nemc_probe()
291 	writel(0, nemc->base + NEMC_NFCSR);  in jz4780_nemc_probe()
293 	nemc->clk = devm_clk_get(dev, NULL);  in jz4780_nemc_probe()
294 	if (IS_ERR(nemc->clk)) {  in jz4780_nemc_probe()
296 		return PTR_ERR(nemc->clk);  in jz4780_nemc_probe()
299 	ret = clk_prepare_enable(nemc->clk);  in jz4780_nemc_probe()
305 	nemc->clk_period = jz4780_nemc_clk_period(nemc);  in jz4780_nemc_probe()
306 	if (!nemc->clk_period) {  in jz4780_nemc_probe()
308 		clk_disable_unprepare(nemc->clk);  in jz4780_nemc_probe()
318 	for_each_child_of_node(nemc->dev->of_node, child) {  in jz4780_nemc_probe()
324 				dev_err(nemc->dev,  in jz4780_nemc_probe()
337 			dev_err(nemc->dev, "%s has no addresses\n",  in jz4780_nemc_probe()
340 		} else if (nemc->banks_present & referenced) {  in jz4780_nemc_probe()
341 			dev_err(nemc->dev, "%s conflicts with another node\n",  in jz4780_nemc_probe()
348 			if (!jz4780_nemc_configure_bank(nemc, bank, child)) {  in jz4780_nemc_probe()
355 			if (of_platform_device_create(child, NULL, nemc->dev))  in jz4780_nemc_probe()
356 				nemc->banks_present |= referenced;  in jz4780_nemc_probe()
360 	platform_set_drvdata(pdev, nemc);  in jz4780_nemc_probe()
367 	struct jz4780_nemc *nemc = platform_get_drvdata(pdev);  in jz4780_nemc_remove()  local
369 	clk_disable_unprepare(nemc->clk);  in jz4780_nemc_remove()