1 // SPDX-License-Identifier: GPL-2.0-only
22 /* register definitions - internal irqs */
31 /* register definitions - external irqs */
74 	return -1;  in ltq_eiu_get_irq()
79 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_disable_irq()
80 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_disable_irq()  local
88 		ltq_icu_w32(vpe, im,  in ltq_disable_irq()
89 			    ltq_icu_r32(vpe, im, LTQ_ICU_IER) & ~BIT(offset),  in ltq_disable_irq()
97 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_mask_and_ack_irq()
98 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_mask_and_ack_irq()  local
106 		ltq_icu_w32(vpe, im,  in ltq_mask_and_ack_irq()
107 			    ltq_icu_r32(vpe, im, LTQ_ICU_IER) & ~BIT(offset),  in ltq_mask_and_ack_irq()
109 		ltq_icu_w32(vpe, im, BIT(offset), LTQ_ICU_ISR);  in ltq_mask_and_ack_irq()
116 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_ack_irq()
117 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_ack_irq()  local
125 		ltq_icu_w32(vpe, im, BIT(offset), LTQ_ICU_ISR);  in ltq_ack_irq()
132 	unsigned long offset = d->hwirq - MIPS_CPU_IRQ_CASCADE;  in ltq_enable_irq()
133 	unsigned long im = offset / INT_NUM_IM_OFFSET;  in ltq_enable_irq()  local
147 	ltq_icu_w32(vpe, im, ltq_icu_r32(vpe, im, LTQ_ICU_IER) | BIT(offset),  in ltq_enable_irq()
159 		if (d->hwirq == ltq_eiu_irq[i]) {  in ltq_eiu_settype()
186 					type, d->hwirq);  in ltq_eiu_settype()
187 				return -EINVAL;  in ltq_eiu_settype()
191 				irq_set_handler(d->hwirq, handle_edge_irq);  in ltq_eiu_settype()
210 		if (d->hwirq == ltq_eiu_irq[i]) {  in ltq_startup_eiu_irq()
232 		if (d->hwirq == ltq_eiu_irq[i]) {  in ltq_shutdown_eiu_irq()
248 		return -EINVAL;  in ltq_icu_irq_set_affinity()
287 	unsigned int module = irq_desc_get_irq(desc) - 2;  in ltq_hw_irq_handler()
387 	eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway");  in icu_of_init()
391 							 "lantiq,eiu-irqs");  in icu_of_init()
396 		ret = of_property_read_u32_array(eiu_node, "lantiq,eiu-irqs",  in icu_of_init()