1 // SPDX-License-Identifier: GPL-2.0+
7  * Yasushi SHOJI <yashi@atmark-techno.com>
38 microblaze_intc_t *intc;  variable
52 	mask = intc->ier;  in enable_one_interrupt()
53 	intc->ier = (mask | offset);  in enable_one_interrupt()
55 	debug("Enable one interrupt irq %x - mask %x,ier %x\n", offset, mask,  in enable_one_interrupt()
56 	      intc->ier);  in enable_one_interrupt()
57 	debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,  in enable_one_interrupt()
58 	      intc->iar, intc->mer);  in enable_one_interrupt()
67 	mask = intc->ier;  in disable_one_interrupt()
68 	intc->ier = (mask & ~offset);  in disable_one_interrupt()
70 	debug("Disable one interrupt irq %x - mask %x,ier %x\n", irq, mask,  in disable_one_interrupt()
71 	      intc->ier);  in disable_one_interrupt()
72 	debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,  in disable_one_interrupt()
73 	      intc->iar, intc->mer);  in disable_one_interrupt()
83 		return -1;  in install_interrupt_handler()
87 		act->handler = hdlr;  in install_interrupt_handler()
88 		act->arg = arg;  in install_interrupt_handler()
89 		act->count = 0;  in install_interrupt_handler()
95 	act->handler = (interrupt_handler_t *)def_hdlr;  in install_interrupt_handler()
96 	act->arg = (void *)irq;  in install_interrupt_handler()
101 /* initialization interrupt controller - hardware */
104 	intc->mer = 0;  in intc_init()
105 	intc->ier = 0;  in intc_init()
106 	intc->iar = 0xFFFFFFFF;  in intc_init()
107 	/* XIntc_Start - hw_interrupt enable and all interrupt enable */  in intc_init()
108 	intc->mer = 0x3;  in intc_init()
110 	debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,  in intc_init()
111 	      intc->iar, intc->mer);  in intc_init()
117 	const void *blob = gd->fdt_blob;  in interrupt_init()
120 	debug("INTC: Initialization\n");  in interrupt_init()
123 				"xlnx,xps-intc-1.00.a");  in interrupt_init()
124 	if (node != -1) {  in interrupt_init()
127 			return -1;  in interrupt_init()
129 		debug("INTC: Base addr %lx\n", base);  in interrupt_init()
130 		intc = (microblaze_intc_t *)base;  in interrupt_init()
131 		irq_no = fdtdec_get_int(blob, node, "xlnx,num-intr-inputs", 0);  in interrupt_init()
132 		debug("INTC: IRQ NO %x\n", irq_no);  in interrupt_init()
141 			return -1;  in interrupt_init()
150 		/* initialize intc controller */  in interrupt_init()
161 	int irqs = intc->ivr;	/* find active interrupt */  in interrupt_handler()  local
164 	struct irq_action *act = vecs + irqs;  in interrupt_handler()
166 	debug("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,  in interrupt_handler()
167 	      intc->iar, intc->mer);  in interrupt_handler()
171 	debug("Interrupt handler on %x line, r14 %x\n", irqs, value);  in interrupt_handler()
174 	      (u32)act->handler, act->count, (u32)act->arg);  in interrupt_handler()
175 	act->handler(act->arg);  in interrupt_handler()
176 	act->count++;  in interrupt_handler()
178 	intc->iar = mask << irqs;  in interrupt_handler()
180 	debug("Dump INTC reg, isr %x, ier %x, iar %x, mer %x\n", intc->isr,  in interrupt_handler()
181 	      intc->ier, intc->iar, intc->mer);  in interrupt_handler()
185 	debug("Interrupt handler on %x line, r14 %x\n", irqs, value);  in interrupt_handler()
195 		puts("\nInterrupt-Information:\n\n"  in do_irqinfo()
196 		      "Nr  Routine   Arg       Count\n"  in do_irqinfo()
197 		      "-----------------------------\n");  in do_irqinfo()
200 			if (act->handler != (interrupt_handler_t *)def_hdlr) {  in do_irqinfo()
202 				       (int)act->handler, (int)act->arg,  in do_irqinfo()
203 				       act->count);  in do_irqinfo()