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10#include <linux/interrupt.h>
11#include <linux/compiler.h>
12
13#include <loongson.h>
14
15static inline void bonito_irq_enable(struct irq_data *d)
16{
17 LOONGSON_INTENSET = (1 << (d->irq - LOONGSON_IRQ_BASE));
18 mmiowb();
19}
20
21static inline void bonito_irq_disable(struct irq_data *d)
22{
23 LOONGSON_INTENCLR = (1 << (d->irq - LOONGSON_IRQ_BASE));
24 mmiowb();
25}
26
27static struct irq_chip bonito_irq_type = {
28 .name = "bonito_irq",
29 .irq_mask = bonito_irq_disable,
30 .irq_unmask = bonito_irq_enable,
31};
32
33void bonito_irq_init(void)
34{
35 u32 i;
36
37 for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
38 irq_set_chip_and_handler(i, &bonito_irq_type,
39 handle_level_irq);
40
41#ifdef CONFIG_CPU_LOONGSON2E
42 i = LOONGSON_IRQ_BASE + 10;
43 if (request_irq(i, no_action, 0, "dma_timeout", NULL))
44 pr_err("Failed to request irq %d (dma_timeout)\n", i);
45#endif
46}
47