4  *  Driver for Aspeed "new" VIC as found in SoC generation 3 and later
6  *  Based on irq-vic.c:
68 static void vic_init_hw(struct aspeed_vic *vic)  in vic_init_hw()  argument
73 	writel(0xffffffff, vic->base + AVIC_INT_ENABLE_CLR);  in vic_init_hw()
74 	writel(0xffffffff, vic->base + AVIC_INT_ENABLE_CLR + 4);  in vic_init_hw()
77 	writel(0xffffffff, vic->base + AVIC_INT_TRIGGER_CLR);  in vic_init_hw()
78 	writel(0xffffffff, vic->base + AVIC_INT_TRIGGER_CLR + 4);  in vic_init_hw()
81 	writel(0, vic->base + AVIC_INT_SELECT);  in vic_init_hw()
82 	writel(0, vic->base + AVIC_INT_SELECT + 4);  in vic_init_hw()
88 	sense = readl(vic->base + AVIC_INT_SENSE);  in vic_init_hw()
89 	vic->edge_sources[0] = ~sense;  in vic_init_hw()
90 	sense = readl(vic->base + AVIC_INT_SENSE + 4);  in vic_init_hw()
91 	vic->edge_sources[1] = ~sense;  in vic_init_hw()
94 	writel(0xffffffff, vic->base + AVIC_EDGE_CLR);  in vic_init_hw()
95 	writel(0xffffffff, vic->base + AVIC_EDGE_CLR + 4);  in vic_init_hw()
100 	struct aspeed_vic *vic = system_avic;  in avic_handle_irq()  local
105 		stat = readl_relaxed(vic->base + AVIC_IRQ_STATUS);  in avic_handle_irq()
107 			stat = readl_relaxed(vic->base + AVIC_IRQ_STATUS + 4);  in avic_handle_irq()
113 		handle_domain_irq(vic->dom, irq, regs);  in avic_handle_irq()
119 	struct aspeed_vic *vic = irq_data_get_irq_chip_data(d);  in avic_ack_irq()  local
124 	if (vic->edge_sources[sidx] & sbit)  in avic_ack_irq()
125 		writel(sbit, vic->base + AVIC_EDGE_CLR + sidx * 4);  in avic_ack_irq()
130 	struct aspeed_vic *vic = irq_data_get_irq_chip_data(d);  in avic_mask_irq()  local
134 	writel(sbit, vic->base + AVIC_INT_ENABLE_CLR + sidx * 4);  in avic_mask_irq()
139 	struct aspeed_vic *vic = irq_data_get_irq_chip_data(d);  in avic_unmask_irq()  local
143 	writel(sbit, vic->base + AVIC_INT_ENABLE + sidx * 4);  in avic_unmask_irq()
149 	struct aspeed_vic *vic = irq_data_get_irq_chip_data(d);  in avic_mask_ack_irq()  local
154 	writel(sbit, vic->base + AVIC_INT_ENABLE_CLR + sidx * 4);  in avic_mask_ack_irq()
157 	if (vic->edge_sources[sidx] & sbit)  in avic_mask_ack_irq()
158 		writel(sbit, vic->base + AVIC_EDGE_CLR + sidx * 4);  in avic_mask_ack_irq()
172 	struct aspeed_vic *vic = d->host_data;  in avic_map()  local
180 	if (vic->edge_sources[sidx] & sbit)  in avic_map()
184 	irq_set_chip_data(irq, vic);  in avic_map()
198 	struct aspeed_vic *vic;  in avic_of_init()  local
200 	if (WARN(parent, "non-root Aspeed VIC not supported"))  in avic_of_init()
202 	if (WARN(system_avic, "duplicate Aspeed VIC not supported"))  in avic_of_init()
209 	vic = kzalloc(sizeof(struct aspeed_vic), GFP_KERNEL);  in avic_of_init()
210 	if (WARN_ON(!vic)) {  in avic_of_init()
214 	vic->base = regs;  in avic_of_init()
217 	vic_init_hw(vic);  in avic_of_init()
220 	system_avic = vic;  in avic_of_init()
224 	vic->dom = irq_domain_add_simple(node, NUM_IRQS, 0,  in avic_of_init()
225 					 &avic_dom_ops, vic);  in avic_of_init()
230 IRQCHIP_DECLARE(ast2400_vic, "aspeed,ast2400-vic", avic_of_init);
231 IRQCHIP_DECLARE(ast2500_vic, "aspeed,ast2500-vic", avic_of_init);