mips/jazz/irq.c

7  * Copyright (C) 1994 - 2001, 2003, 07 Ralf Baechle
12 #include <linux/interrupt.h>
29 	unsigned int mask = 1 << (d->irq - JAZZ_IRQ_START);  in enable_r4030_irq()  local
33 	mask |= r4030_read_reg16(JAZZ_IO_IRQ_ENABLE);  in enable_r4030_irq()
34 	r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, mask);  in enable_r4030_irq()
40 	unsigned int mask = ~(1 << (d->irq - JAZZ_IRQ_START));  in disable_r4030_irq()  local
44 	mask &= r4030_read_reg16(JAZZ_IO_IRQ_ENABLE);  in disable_r4030_irq()
45 	r4030_write_reg16(JAZZ_IO_IRQ_ENABLE, mask);  in disable_r4030_irq()
68  * On systems with i8259-style interrupt controllers we assume for
69  * driver compatibility reasons interrupts 0 - 15 to be the i8259
70  * interrupts even if the hardware uses a different interrupt numbering.
79 	/* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */  in arch_init_irq()
81 	/* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */  in arch_init_irq()
83 	/* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */  in arch_init_irq()
107 			do_IRQ(irq + JAZZ_IRQ_START - 1);  in plat_irq_dispatch()
131 	cd->event_handler(cd);  in r4030_timer_interrupt()
149 	cd->cpumask             = cpumask_of(cpu);  in plat_time_init()
151 	action->dev_id = cd;  in plat_time_init()
158 	 * a programmable 4-bit divider.  This makes it fairly inflexible.  in plat_time_init()