111 static struct exynos_dvfs_data *dvfs_info;  variable
117 	struct cpufreq_frequency_table *pos, *freq_tbl = dvfs_info->freq_table;  in init_div_table()
123 		opp = dev_pm_opp_find_freq_exact(dvfs_info->dev,  in init_div_table()
127 			dev_err(dvfs_info->dev,  in init_div_table()
158 		__raw_writel(tmp, dvfs_info->base + XMU_PMU_P0_7 + 4 *  in init_div_table()
169 	struct cpufreq_frequency_table *freq_table = dvfs_info->freq_table;  in exynos_enable_dvfs()
172 	__raw_writel(0,	dvfs_info->base + XMU_DVFS_CTRL);  in exynos_enable_dvfs()
175 	tmp = __raw_readl(dvfs_info->base + XMU_PMUEVTEN);  in exynos_enable_dvfs()
177 	 __raw_writel(tmp, dvfs_info->base + XMU_PMUEVTEN);  in exynos_enable_dvfs()
180 	tmp = __raw_readl(dvfs_info->base + XMU_PMUIRQEN);  in exynos_enable_dvfs()
182 	 __raw_writel(tmp, dvfs_info->base + XMU_PMUIRQEN);  in exynos_enable_dvfs()
190 		dev_crit(dvfs_info->dev, "Boot up frequency not supported\n");  in exynos_enable_dvfs()
196 	dev_info(dvfs_info->dev, "Setting dvfs initial frequency = %uKHZ",  in exynos_enable_dvfs()
200 		tmp = __raw_readl(dvfs_info->base + XMU_C0_3_PSTATE + cpu * 4);  in exynos_enable_dvfs()
203 		__raw_writel(tmp, dvfs_info->base + XMU_C0_3_PSTATE + cpu * 4);  in exynos_enable_dvfs()
208 				dvfs_info->base + XMU_DVFS_CTRL);  in exynos_enable_dvfs()
215 	struct cpufreq_frequency_table *freq_table = dvfs_info->freq_table;  in exynos_target()
226 		tmp = __raw_readl(dvfs_info->base + XMU_C0_3_PSTATE + i * 4);  in exynos_target()
230 		__raw_writel(tmp, dvfs_info->base + XMU_C0_3_PSTATE + i * 4);  in exynos_target()
240 	struct cpufreq_frequency_table *freq_table = dvfs_info->freq_table;  in exynos_cpufreq_work()
243 	if (unlikely(dvfs_info->dvfs_enabled == false))  in exynos_cpufreq_work()
249 	cur_pstate = __raw_readl(dvfs_info->base + XMU_P_STATUS);  in exynos_cpufreq_work()
255 	if (likely(index < dvfs_info->freq_count)) {  in exynos_cpufreq_work()
258 		dev_crit(dvfs_info->dev, "New frequency out of range\n");  in exynos_cpufreq_work()
266 	enable_irq(dvfs_info->irq);  in exynos_cpufreq_work()
273 	tmp = __raw_readl(dvfs_info->base + XMU_PMUIRQ);  in exynos_cpufreq_irq()
275 		__raw_writel(tmp, dvfs_info->base + XMU_PMUIRQ);  in exynos_cpufreq_irq()
277 		schedule_work(&dvfs_info->irq_work);  in exynos_cpufreq_irq()
284 	struct cpufreq_frequency_table *freq_tbl = dvfs_info->freq_table;  in exynos_sort_descend_freq_table()
293 	for (i = 0; i < dvfs_info->freq_count / 2; i++) {  in exynos_sort_descend_freq_table()
294 		index = dvfs_info->freq_count - i - 1;  in exynos_sort_descend_freq_table()
303 	policy->clk = dvfs_info->cpu_clk;  in exynos_cpufreq_cpu_init()
304 	return cpufreq_generic_init(policy, dvfs_info->freq_table,  in exynos_cpufreq_cpu_init()
305 			dvfs_info->latency);  in exynos_cpufreq_cpu_init()
338 	dvfs_info = devm_kzalloc(&pdev->dev, sizeof(*dvfs_info), GFP_KERNEL);  in exynos_cpufreq_probe()
339 	if (!dvfs_info) {  in exynos_cpufreq_probe()
344 	dvfs_info->dev = &pdev->dev;  in exynos_cpufreq_probe()
350 	dvfs_info->base = devm_ioremap_resource(dvfs_info->dev, &res);  in exynos_cpufreq_probe()
351 	if (IS_ERR(dvfs_info->base)) {  in exynos_cpufreq_probe()
352 		ret = PTR_ERR(dvfs_info->base);  in exynos_cpufreq_probe()
356 	dvfs_info->irq = irq_of_parse_and_map(np, 0);  in exynos_cpufreq_probe()
357 	if (!dvfs_info->irq) {  in exynos_cpufreq_probe()
358 		dev_err(dvfs_info->dev, "No cpufreq irq found\n");  in exynos_cpufreq_probe()
363 	ret = of_init_opp_table(dvfs_info->dev);  in exynos_cpufreq_probe()
365 		dev_err(dvfs_info->dev, "failed to init OPP table: %d\n", ret);  in exynos_cpufreq_probe()
369 	ret = dev_pm_opp_init_cpufreq_table(dvfs_info->dev,  in exynos_cpufreq_probe()
370 					    &dvfs_info->freq_table);  in exynos_cpufreq_probe()
372 		dev_err(dvfs_info->dev,  in exynos_cpufreq_probe()
376 	dvfs_info->freq_count = dev_pm_opp_get_opp_count(dvfs_info->dev);  in exynos_cpufreq_probe()
379 	if (of_property_read_u32(np, "clock-latency", &dvfs_info->latency))  in exynos_cpufreq_probe()
380 		dvfs_info->latency = DEF_TRANS_LATENCY;  in exynos_cpufreq_probe()
382 	dvfs_info->cpu_clk = devm_clk_get(dvfs_info->dev, "armclk");  in exynos_cpufreq_probe()
383 	if (IS_ERR(dvfs_info->cpu_clk)) {  in exynos_cpufreq_probe()
384 		dev_err(dvfs_info->dev, "Failed to get cpu clock\n");  in exynos_cpufreq_probe()
385 		ret = PTR_ERR(dvfs_info->cpu_clk);  in exynos_cpufreq_probe()
389 	cur_frequency = clk_get_rate(dvfs_info->cpu_clk);  in exynos_cpufreq_probe()
391 		dev_err(dvfs_info->dev, "Failed to get clock rate\n");  in exynos_cpufreq_probe()
397 	INIT_WORK(&dvfs_info->irq_work, exynos_cpufreq_work);  in exynos_cpufreq_probe()
398 	ret = devm_request_irq(dvfs_info->dev, dvfs_info->irq,  in exynos_cpufreq_probe()
400 				CPUFREQ_NAME, dvfs_info);  in exynos_cpufreq_probe()
402 		dev_err(dvfs_info->dev, "Failed to register IRQ\n");  in exynos_cpufreq_probe()
408 		dev_err(dvfs_info->dev, "Failed to initialise div table\n");  in exynos_cpufreq_probe()
415 		dev_err(dvfs_info->dev,  in exynos_cpufreq_probe()
421 	dvfs_info->dvfs_enabled = true;  in exynos_cpufreq_probe()
425 	dev_pm_opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table);  in exynos_cpufreq_probe()
427 	of_free_opp_table(dvfs_info->dev);  in exynos_cpufreq_probe()
437 	dev_pm_opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table);  in exynos_cpufreq_remove()
438 	of_free_opp_table(dvfs_info->dev);  in exynos_cpufreq_remove()