49 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
| #ifndef _MPC8260_IRQ_H
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| #define _MPC8260_IRQ_H
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| 
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| /****************************************************************************/
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| /* most of this was ripped out of include/asm-ppc/irq.h from the Linux/PPC  */
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| /* source. There was no copyright information in the file.		    */
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| 
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| /*
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|  * this is the # irq's for all ppc arch's (pmac/chrp/prep)
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|  * so it is the max of them all
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|  *
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|  * [let's just worry about 8260 for now - mjj]
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|  */
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| #define NR_IRQS			64
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| 
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| /* The 8260 has an internal interrupt controller with a maximum of
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|  * 64 IRQs.  We will use NR_IRQs from above since it is large enough.
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|  * Don't be confused by the 8260 documentation where they list an
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|  * "interrupt number" and "interrupt vector".  We are only interested
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|  * in the interrupt vector.  There are "reserved" holes where the
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|  * vector number increases, but the interrupt number in the table does not.
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|  * (Document errata updates have fixed this...make sure you have up to
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|  * date processor documentation -- Dan).
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|  */
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| #define NR_SIU_INTS	64
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| 
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| /* There are many more than these, we will add them as we need them.
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| */
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| #define	SIU_INT_SMC1		((uint)0x04)
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| #define	SIU_INT_SMC2		((uint)0x05)
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| #define	SIU_INT_IRQ1		((uint)0x13)
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| #define	SIU_INT_IRQ2		((uint)0x14)
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| #define	SIU_INT_IRQ3		((uint)0x15)
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| #define	SIU_INT_IRQ4		((uint)0x16)
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| #define	SIU_INT_IRQ5		((uint)0x17)
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| #define	SIU_INT_IRQ6		((uint)0x18)
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| #define	SIU_INT_IRQ7		((uint)0x19)
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| #define	SIU_INT_FCC1		((uint)0x20)
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| #define	SIU_INT_FCC2		((uint)0x21)
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| #define	SIU_INT_FCC3		((uint)0x22)
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| #define	SIU_INT_SCC1		((uint)0x28)
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| #define	SIU_INT_SCC2		((uint)0x29)
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| #define	SIU_INT_SCC3		((uint)0x2a)
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| #define	SIU_INT_SCC4		((uint)0x2b)
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| 
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| #define NR_MASK_WORDS	((NR_IRQS + 31) / 32)
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| 
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| #endif /* _MPC8260_IRQ_H */
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