5  * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
23 #include <dt-bindings/interrupt-controller/mvebu-icu.h>
75 	const struct mvebu_icu_subset_data *subset = msi_data->subset_data;  in mvebu_icu_init()
77 	if (atomic_cmpxchg(&msi_data->initialized, false, true))  in mvebu_icu_init()
80 	/* Set 'SET' ICU SPI message address in AP */  in mvebu_icu_init()
81 	writel_relaxed(msg[0].address_hi, icu->base + subset->offset_set_ah);  in mvebu_icu_init()
82 	writel_relaxed(msg[0].address_lo, icu->base + subset->offset_set_al);  in mvebu_icu_init()
84 	if (subset->icu_group != ICU_GRP_NSR)  in mvebu_icu_init()
87 	/* Set 'CLEAR' ICU SPI message address in AP (level-MSI only) */  in mvebu_icu_init()
88 	writel_relaxed(msg[1].address_hi, icu->base + subset->offset_clr_ah);  in mvebu_icu_init()
89 	writel_relaxed(msg[1].address_lo, icu->base + subset->offset_clr_al);  in mvebu_icu_init()
94 	struct irq_data *d = irq_get_irq_data(desc->irq);  in mvebu_icu_write_msg()
95 	struct mvebu_icu_msi_data *msi_data = platform_msi_get_host_data(d->domain);  in mvebu_icu_write_msg()
96 	struct mvebu_icu_irq_data *icu_irqd = d->chip_data;  in mvebu_icu_write_msg()
97 	struct mvebu_icu *icu = icu_irqd->icu;  in mvebu_icu_write_msg()
100 	if (msg->address_lo || msg->address_hi) {  in mvebu_icu_write_msg()
104 		icu_int = msg->data | ICU_INT_ENABLE;  in mvebu_icu_write_msg()
105 		if (icu_irqd->type & IRQ_TYPE_EDGE_RISING)  in mvebu_icu_write_msg()
107 		icu_int |= icu_irqd->icu_group << ICU_GROUP_SHIFT;  in mvebu_icu_write_msg()
109 		/* De-configure the ICU */  in mvebu_icu_write_msg()
113 	writel_relaxed(icu_int, icu->base + ICU_INT_CFG(d->hwirq));  in mvebu_icu_write_msg()
116 	 * The SATA unit has 2 ports, and a dedicated ICU entry per  in mvebu_icu_write_msg()
118 	 * per SATA unit. To solve this conflict, we configure the 2  in mvebu_icu_write_msg()
124 	if (d->hwirq == ICU_SATA0_ICU_ID || d->hwirq == ICU_SATA1_ICU_ID) {  in mvebu_icu_write_msg()
126 			       icu->base + ICU_INT_CFG(ICU_SATA0_ICU_ID));  in mvebu_icu_write_msg()
128 			       icu->base + ICU_INT_CFG(ICU_SATA1_ICU_ID));  in mvebu_icu_write_msg()
133 	.name			= "ICU-NSR",
142 	.name			= "ICU-SEI",
159 	if (WARN_ON(fwspec->param_count != param_count)) {  in mvebu_icu_irq_domain_translate()
160 		dev_err(icu->dev, "wrong ICU parameter count %d\n",  in mvebu_icu_irq_domain_translate()
161 			fwspec->param_count);  in mvebu_icu_irq_domain_translate()
162 		return -EINVAL;  in mvebu_icu_irq_domain_translate()
166 		*hwirq = fwspec->param[1];  in mvebu_icu_irq_domain_translate()
167 		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;  in mvebu_icu_irq_domain_translate()
168 		if (fwspec->param[0] != ICU_GRP_NSR) {  in mvebu_icu_irq_domain_translate()
169 			dev_err(icu->dev, "wrong ICU group type %x\n",  in mvebu_icu_irq_domain_translate()
170 				fwspec->param[0]);  in mvebu_icu_irq_domain_translate()
171 			return -EINVAL;  in mvebu_icu_irq_domain_translate()
174 		*hwirq = fwspec->param[0];  in mvebu_icu_irq_domain_translate()
175 		*type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;  in mvebu_icu_irq_domain_translate()
181 		 * handling unreliable.  in mvebu_icu_irq_domain_translate()
183 		if (msi_data->subset_data->icu_group == ICU_GRP_SEI)  in mvebu_icu_irq_domain_translate()
188 		dev_err(icu->dev, "invalid interrupt number %ld\n", *hwirq);  in mvebu_icu_irq_domain_translate()
189 		return -EINVAL;  in mvebu_icu_irq_domain_translate()
203 	struct mvebu_icu *icu = msi_data->icu;  in mvebu_icu_irq_domain_alloc()
209 		return -ENOMEM;  in mvebu_icu_irq_domain_alloc()
212 					     &icu_irqd->type);  in mvebu_icu_irq_domain_alloc()
214 		dev_err(icu->dev, "failed to translate ICU parameters\n");  in mvebu_icu_irq_domain_alloc()
219 		icu_irqd->icu_group = fwspec->param[0];  in mvebu_icu_irq_domain_alloc()
221 		icu_irqd->icu_group = msi_data->subset_data->icu_group;  in mvebu_icu_irq_domain_alloc()
222 	icu_irqd->icu = icu;  in mvebu_icu_irq_domain_alloc()
226 		dev_err(icu->dev, "failed to allocate ICU interrupt in parent domain\n");  in mvebu_icu_irq_domain_alloc()
235 	if (icu_irqd->icu_group == ICU_GRP_SEI)  in mvebu_icu_irq_domain_alloc()
241 		dev_err(icu->dev, "failed to set the data to IRQ domain\n");  in mvebu_icu_irq_domain_alloc()
259 	struct mvebu_icu_irq_data *icu_irqd = d->chip_data;  in mvebu_icu_irq_domain_free()
288 		.compatible = "marvell,cp110-icu-nsr",
292 		.compatible = "marvell,cp110-icu-sei",
302 	struct device *dev = &pdev->dev;  in mvebu_icu_subset_probe()
307 		return -ENOMEM;  in mvebu_icu_subset_probe()
310 		msi_data->icu = dev_get_drvdata(dev);  in mvebu_icu_subset_probe()
311 		msi_data->subset_data = &mvebu_icu_nsr_subset_data;  in mvebu_icu_subset_probe()
313 		msi_data->icu = dev_get_drvdata(dev->parent);  in mvebu_icu_subset_probe()
314 		msi_data->subset_data = of_device_get_match_data(dev);  in mvebu_icu_subset_probe()
317 	dev->msi.domain = of_msi_get_domain(dev, dev->of_node,  in mvebu_icu_subset_probe()
319 	if (!dev->msi.domain)  in mvebu_icu_subset_probe()
320 		return -EPROBE_DEFER;  in mvebu_icu_subset_probe()
322 	msi_parent_dn = irq_domain_get_of_node(dev->msi.domain);  in mvebu_icu_subset_probe()
324 		return -ENODEV;  in mvebu_icu_subset_probe()
332 		return -ENOMEM;  in mvebu_icu_subset_probe()
341 		.name = "mvebu-icu-subset",
352 	icu = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_icu),  in mvebu_icu_probe()
355 		return -ENOMEM;  in mvebu_icu_probe()
357 	icu->dev = &pdev->dev;  in mvebu_icu_probe()
359 	icu->base = devm_platform_ioremap_resource(pdev, 0);  in mvebu_icu_probe()
360 	if (IS_ERR(icu->base))  in mvebu_icu_probe()
361 		return PTR_ERR(icu->base);  in mvebu_icu_probe()
370 	if (!of_get_child_count(pdev->dev.of_node))  in mvebu_icu_probe()
380 		icu_int = readl_relaxed(icu->base + ICU_INT_CFG(i));  in mvebu_icu_probe()
386 			writel_relaxed(0x0, icu->base + ICU_INT_CFG(i));  in mvebu_icu_probe()
394 		return devm_of_platform_populate(&pdev->dev);  in mvebu_icu_probe()
398 	{ .compatible = "marvell,cp110-icu", },
405 		.name = "mvebu-icu",