/*
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/*
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* include/asm-arm/arch-ebsa/irq.h
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* include/asm-arm/arch-ebsa/irq.h
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*
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*
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* Copyright (C) 1996 Russell King
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* Copyright (C) 1996 Russell King
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*/
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*/
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#define IRQ_MCLR ((volatile unsigned char *)0xf3000000)
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#define IRQ_MCLR ((volatile unsigned char *)0xf3000000)
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#define IRQ_MSET ((volatile unsigned char *)0xf2c00000)
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#define IRQ_MSET ((volatile unsigned char *)0xf2c00000)
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#define IRQ_MASK ((volatile unsigned char *)0xf2c00000)
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#define IRQ_MASK ((volatile unsigned char *)0xf2c00000)
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#define BUILD_IRQ(s,n,m)
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#define BUILD_IRQ(s,n,m)
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extern void IRQ_interrupt(void);
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extern void IRQ_interrupt(void);
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extern void timer_IRQ_interrupt(void);
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extern void timer_IRQ_interrupt(void);
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extern void fast_IRQ_interrupt(void);
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extern void fast_IRQ_interrupt(void);
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extern void bad_IRQ_interrupt(void);
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extern void bad_IRQ_interrupt(void);
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extern void probe_IRQ_interrupt(void);
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extern void probe_IRQ_interrupt(void);
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#define IRQ_interrupt0 IRQ_interrupt
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#define IRQ_interrupt0 IRQ_interrupt
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#define IRQ_interrupt1 IRQ_interrupt
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#define IRQ_interrupt1 IRQ_interrupt
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#define IRQ_interrupt2 IRQ_interrupt
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#define IRQ_interrupt2 IRQ_interrupt
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#define IRQ_interrupt3 IRQ_interrupt
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#define IRQ_interrupt3 IRQ_interrupt
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#define IRQ_interrupt4 timer_IRQ_interrupt
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#define IRQ_interrupt4 timer_IRQ_interrupt
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#define IRQ_interrupt5 IRQ_interrupt
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#define IRQ_interrupt5 IRQ_interrupt
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#define IRQ_interrupt6 IRQ_interrupt
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#define IRQ_interrupt6 IRQ_interrupt
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#define IRQ_interrupt7 IRQ_interrupt
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#define IRQ_interrupt7 IRQ_interrupt
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#define IRQ_interrupt8 IRQ_interrupt
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#define IRQ_interrupt8 IRQ_interrupt
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#define IRQ_interrupt9 IRQ_interrupt
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#define IRQ_interrupt9 IRQ_interrupt
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#define IRQ_interrupt10 IRQ_interrupt
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#define IRQ_interrupt10 IRQ_interrupt
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#define IRQ_interrupt11 IRQ_interrupt
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#define IRQ_interrupt11 IRQ_interrupt
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#define IRQ_interrupt12 IRQ_interrupt
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#define IRQ_interrupt12 IRQ_interrupt
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#define IRQ_interrupt13 IRQ_interrupt
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#define IRQ_interrupt13 IRQ_interrupt
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#define IRQ_interrupt14 IRQ_interrupt
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#define IRQ_interrupt14 IRQ_interrupt
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#define IRQ_interrupt15 IRQ_interrupt
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#define IRQ_interrupt15 IRQ_interrupt
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#define IRQ_interrupt16 IRQ_interrupt
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#define IRQ_interrupt16 IRQ_interrupt
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#define IRQ_interrupt17 IRQ_interrupt
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#define IRQ_interrupt17 IRQ_interrupt
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#define IRQ_interrupt18 IRQ_interrupt
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#define IRQ_interrupt18 IRQ_interrupt
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#define IRQ_interrupt19 IRQ_interrupt
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#define IRQ_interrupt19 IRQ_interrupt
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#define IRQ_interrupt20 IRQ_interrupt
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#define IRQ_interrupt20 IRQ_interrupt
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#define IRQ_interrupt21 IRQ_interrupt
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#define IRQ_interrupt21 IRQ_interrupt
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#define IRQ_interrupt22 IRQ_interrupt
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#define IRQ_interrupt22 IRQ_interrupt
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#define IRQ_interrupt23 IRQ_interrupt
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#define IRQ_interrupt23 IRQ_interrupt
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#define IRQ_INTERRUPT(n) IRQ_interrupt##n
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#define IRQ_INTERRUPT(n) IRQ_interrupt##n
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#define FAST_INTERRUPT(n) fast_IRQ_interrupt
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#define FAST_INTERRUPT(n) fast_IRQ_interrupt
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#define BAD_INTERRUPT(n) bad_IRQ_interrupt
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#define BAD_INTERRUPT(n) bad_IRQ_interrupt
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#define PROBE_INTERRUPT(n) probe_IRQ_interrupt
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#define PROBE_INTERRUPT(n) probe_IRQ_interrupt
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static __inline__ void mask_irq(unsigned int irq)
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static __inline__ void mask_irq(unsigned int irq)
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{
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{
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if (irq < 8)
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if (irq < 8)
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*IRQ_MCLR = 1 << irq;
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*IRQ_MCLR = 1 << irq;
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}
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}
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static __inline__ void unmask_irq(unsigned int irq)
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static __inline__ void unmask_irq(unsigned int irq)
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{
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{
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if (irq < 8)
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if (irq < 8)
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*IRQ_MSET = 1 << irq;
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*IRQ_MSET = 1 << irq;
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}
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}
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static __inline__ unsigned long get_enabled_irqs(void)
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static __inline__ unsigned long get_enabled_irqs(void)
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{
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{
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return 0;
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return 0;
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}
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}
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static __inline__ void irq_init_irq(void)
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static __inline__ void irq_init_irq(void)
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{
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{
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unsigned long flags;
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unsigned long flags;
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save_flags_cli (flags);
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save_flags_cli (flags);
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*IRQ_MCLR = 0xff;
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*IRQ_MCLR = 0xff;
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*IRQ_MSET = 0x55;
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*IRQ_MSET = 0x55;
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*IRQ_MSET = 0x00;
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*IRQ_MSET = 0x00;
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if (*IRQ_MASK != 0x55)
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if (*IRQ_MASK != 0x55)
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while (1);
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while (1);
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*IRQ_MCLR = 0xff; /* clear all interrupt enables */
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*IRQ_MCLR = 0xff; /* clear all interrupt enables */
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restore_flags (flags);
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restore_flags (flags);
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}
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}
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