5  * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
7  * This file is licensed under the terms of the GNU General Public
9  * warranty of any kind, whether express or implied.
23 #include "irq-msi-lib.h"
25 #include <dt-bindings/interrupt-controller/mvebu-icu.h>
71 	struct msi_domain_info *info = d->host_data;  in mvebu_icu_translate()
72 	struct mvebu_icu_msi_data *msi_data = info->chip_data;  in mvebu_icu_translate()
73 	struct mvebu_icu *icu = msi_data->icu;  in mvebu_icu_translate()
75 	/* Check the count of the parameters in dt */  in mvebu_icu_translate()
76 	if (WARN_ON(fwspec->param_count != param_count)) {  in mvebu_icu_translate()
77 		dev_err(icu->dev, "wrong ICU parameter count %d\n",  in mvebu_icu_translate()
78 			fwspec->param_count);  in mvebu_icu_translate()
79 		return -EINVAL;  in mvebu_icu_translate()
83 		*hwirq = fwspec->param[1];  in mvebu_icu_translate()
84 		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;  in mvebu_icu_translate()
85 		if (fwspec->param[0] != ICU_GRP_NSR) {  in mvebu_icu_translate()
86 			dev_err(icu->dev, "wrong ICU group type %x\n",  in mvebu_icu_translate()
87 				fwspec->param[0]);  in mvebu_icu_translate()
88 			return -EINVAL;  in mvebu_icu_translate()
91 		*hwirq = fwspec->param[0];  in mvebu_icu_translate()
92 		*type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;  in mvebu_icu_translate()
100 		if (msi_data->subset_data->icu_group == ICU_GRP_SEI)  in mvebu_icu_translate()
105 		dev_err(icu->dev, "invalid interrupt number %ld\n", *hwirq);  in mvebu_icu_translate()
106 		return -EINVAL;  in mvebu_icu_translate()
116 	const struct mvebu_icu_subset_data *subset = msi_data->subset_data;  in mvebu_icu_init()  local
118 	if (atomic_cmpxchg(&msi_data->initialized, false, true))  in mvebu_icu_init()
122 	writel_relaxed(msg[0].address_hi, icu->base + subset->offset_set_ah);  in mvebu_icu_init()
123 	writel_relaxed(msg[0].address_lo, icu->base + subset->offset_set_al);  in mvebu_icu_init()
125 	if (subset->icu_group != ICU_GRP_NSR)  in mvebu_icu_init()
128 	/* Set 'CLEAR' ICU SPI message address in AP (level-MSI only) */  in mvebu_icu_init()
129 	writel_relaxed(msg[1].address_hi, icu->base + subset->offset_clr_ah);  in mvebu_icu_init()
130 	writel_relaxed(msg[1].address_lo, icu->base + subset->offset_clr_al);  in mvebu_icu_init()
136 	irq_domain_set_hwirq_and_chip(domain, virq, hwirq, info->chip, info->chip_data);  in mvebu_icu_msi_init()
142 	arg->desc = desc;  in mvebu_icu_set_desc()
143 	arg->hwirq = (u32)desc->data.icookie.value;  in mvebu_icu_set_desc()
148 	struct mvebu_icu_msi_data *msi_data = d->chip_data;  in mvebu_icu_write_msi_msg()
149 	unsigned int icu_group = msi_data->subset_data->icu_group;  in mvebu_icu_write_msi_msg()
151 	struct mvebu_icu *icu = msi_data->icu;  in mvebu_icu_write_msi_msg()
155 	if (msg->address_lo || msg->address_hi) {  in mvebu_icu_write_msi_msg()
159 		icu_int = msg->data | ICU_INT_ENABLE;  in mvebu_icu_write_msi_msg()
160 		type = (unsigned int)(desc->data.icookie.value >> 32);  in mvebu_icu_write_msi_msg()
165 		/* De-configure the ICU */  in mvebu_icu_write_msi_msg()
169 	writel_relaxed(icu_int, icu->base + ICU_INT_CFG(d->hwirq));  in mvebu_icu_write_msi_msg()
178 	 * configured (regardless of which port is actually in use).  in mvebu_icu_write_msi_msg()
180 	if (d->hwirq == ICU_SATA0_ICU_ID || d->hwirq == ICU_SATA1_ICU_ID) {  in mvebu_icu_write_msi_msg()
181 		writel_relaxed(icu_int, icu->base + ICU_INT_CFG(ICU_SATA0_ICU_ID));  in mvebu_icu_write_msi_msg()
182 		writel_relaxed(icu_int, icu->base + ICU_INT_CFG(ICU_SATA1_ICU_ID));  in mvebu_icu_write_msi_msg()
188 		.name			= "ICU-NSR",
212 		.name			= "ICU-SEI",
250 		.compatible = "marvell,cp110-icu-nsr",
254 		.compatible = "marvell,cp110-icu-sei",
264 	struct device *dev = &pdev->dev;  in mvebu_icu_subset_probe()
269 		return -ENOMEM;  in mvebu_icu_subset_probe()
272 		msi_data->icu = dev_get_drvdata(dev);  in mvebu_icu_subset_probe()
273 		msi_data->subset_data = &mvebu_icu_nsr_subset_data;  in mvebu_icu_subset_probe()
275 		msi_data->icu = dev_get_drvdata(dev->parent);  in mvebu_icu_subset_probe()
276 		msi_data->subset_data = of_device_get_match_data(dev);  in mvebu_icu_subset_probe()
279 	dev->msi.domain = of_msi_get_domain(dev, dev->of_node, DOMAIN_BUS_PLATFORM_MSI);  in mvebu_icu_subset_probe()
280 	if (!dev->msi.domain)  in mvebu_icu_subset_probe()
281 		return -EPROBE_DEFER;  in mvebu_icu_subset_probe()
283 	if (!irq_domain_get_of_node(dev->msi.domain))  in mvebu_icu_subset_probe()
284 		return -ENODEV;  in mvebu_icu_subset_probe()
286 	sei = msi_data->subset_data->icu_group == ICU_GRP_SEI;  in mvebu_icu_subset_probe()
292 		return -ENOMEM;  in mvebu_icu_subset_probe()
301 		.name = "mvebu-icu-subset",
312 	icu = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_icu),  in mvebu_icu_probe()
315 		return -ENOMEM;  in mvebu_icu_probe()
317 	icu->dev = &pdev->dev;  in mvebu_icu_probe()
319 	icu->base = devm_platform_ioremap_resource(pdev, 0);  in mvebu_icu_probe()
320 	if (IS_ERR(icu->base))  in mvebu_icu_probe()
321 		return PTR_ERR(icu->base);  in mvebu_icu_probe()
325 	 *                  the probe of the NSR interrupts side.  in mvebu_icu_probe()
330 	if (!of_get_child_count(pdev->dev.of_node))  in mvebu_icu_probe()
334 	 * Clean all ICU interrupts of type NSR and SEI, required to  in mvebu_icu_probe()
340 		icu_int = readl_relaxed(icu->base + ICU_INT_CFG(i));  in mvebu_icu_probe()
346 			writel_relaxed(0x0, icu->base + ICU_INT_CFG(i));  in mvebu_icu_probe()
354 		return devm_of_platform_populate(&pdev->dev);  in mvebu_icu_probe()
358 	{ .compatible = "marvell,cp110-icu", },
365 		.name = "mvebu-icu",