48 static void xintc_write(struct xintc_irq_chip *irqc, int reg, u32 data)  in xintc_write()  argument
51 		iowrite32be(data, irqc->base + reg);  in xintc_write()
53 		iowrite32(data, irqc->base + reg);  in xintc_write()
56 static u32 xintc_read(struct xintc_irq_chip *irqc, int reg)  in xintc_read()  argument
59 		return ioread32be(irqc->base + reg);  in xintc_read()
61 		return ioread32(irqc->base + reg);  in xintc_read()
66 	struct xintc_irq_chip *irqc = irq_data_get_irq_chip_data(d);  in intc_enable_or_unmask()  local
76 		xintc_write(irqc, IAR, mask);  in intc_enable_or_unmask()
78 	xintc_write(irqc, SIE, mask);  in intc_enable_or_unmask()
83 	struct xintc_irq_chip *irqc = irq_data_get_irq_chip_data(d);  in intc_disable_or_mask()  local
86 	xintc_write(irqc, CIE, BIT(d->hwirq));  in intc_disable_or_mask()
91 	struct xintc_irq_chip *irqc = irq_data_get_irq_chip_data(d);  in intc_ack()  local
94 	xintc_write(irqc, IAR, BIT(d->hwirq));  in intc_ack()
99 	struct xintc_irq_chip *irqc = irq_data_get_irq_chip_data(d);  in intc_mask_ack()  local
103 	xintc_write(irqc, CIE, mask);  in intc_mask_ack()
104 	xintc_write(irqc, IAR, mask);  in intc_mask_ack()
117 	struct xintc_irq_chip *irqc = d->host_data;  in xintc_map()  local
119 	if (irqc->intr_mask & BIT(hw)) {  in xintc_map()
128 	irq_set_chip_data(irq, irqc);  in xintc_map()
140 	struct xintc_irq_chip *irqc;  in xil_intc_irq_handler()  local
142 	irqc = irq_data_get_irq_handler_data(&desc->irq_data);  in xil_intc_irq_handler()
145 		u32 hwirq = xintc_read(irqc, IVR);  in xil_intc_irq_handler()
150 		generic_handle_domain_irq(irqc->root_domain, hwirq);  in xil_intc_irq_handler()
171 	struct xintc_irq_chip *irqc;  in xilinx_intc_of_init()  local
174 	irqc = kzalloc(sizeof(*irqc), GFP_KERNEL);  in xilinx_intc_of_init()
175 	if (!irqc)  in xilinx_intc_of_init()
177 	irqc->base = of_iomap(intc, 0);  in xilinx_intc_of_init()
178 	BUG_ON(!irqc->base);  in xilinx_intc_of_init()
180 	ret = of_property_read_u32(intc, "xlnx,num-intr-inputs", &irqc->nr_irq);  in xilinx_intc_of_init()
186 	ret = of_property_read_u32(intc, "xlnx,kind-of-intr", &irqc->intr_mask);  in xilinx_intc_of_init()
189 		irqc->intr_mask = 0;  in xilinx_intc_of_init()
192 	if (irqc->intr_mask >> irqc->nr_irq)  in xilinx_intc_of_init()
196 		intc, irqc->nr_irq, irqc->intr_mask);  in xilinx_intc_of_init()
203 	xintc_write(irqc, IER, 0);  in xilinx_intc_of_init()
206 	xintc_write(irqc, IAR, 0xffffffff);  in xilinx_intc_of_init()
209 	xintc_write(irqc, MER, MER_HIE | MER_ME);  in xilinx_intc_of_init()
210 	if (xintc_read(irqc, MER) != (MER_HIE | MER_ME)) {  in xilinx_intc_of_init()
212 		xintc_write(irqc, MER, MER_HIE | MER_ME);  in xilinx_intc_of_init()
215 	irqc->root_domain = irq_domain_add_linear(intc, irqc->nr_irq,  in xilinx_intc_of_init()
216 						  &xintc_irq_domain_ops, irqc);  in xilinx_intc_of_init()
217 	if (!irqc->root_domain) {  in xilinx_intc_of_init()
228 							 irqc);  in xilinx_intc_of_init()
235 		primary_intc = irqc;  in xilinx_intc_of_init()
243 	iounmap(irqc->base);  in xilinx_intc_of_init()
244 	kfree(irqc);  in xilinx_intc_of_init()