27 lines
		
	
	
		
			617 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			617 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| Interrupt chips
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| ---------------
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| 
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| * Intel I/O Advanced Programmable Interrupt Controller (IO APIC)
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| 
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|   Required properties:
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|   --------------------
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|      compatible = "intel,ce4100-ioapic";
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|      #interrupt-cells = <2>;
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| 
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|   Device's interrupt property:
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| 
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|      interrupts = <P S>;
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| 
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|   The first number (P) represents the interrupt pin which is wired to the
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|   IO APIC. The second number (S) represents the sense of interrupt which
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|   should be configured and can be one of:
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|     0 - Edge Rising
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|     1 - Level Low
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|     2 - Level High
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|     3 - Edge Falling
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| 
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| * Local APIC
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|   Required property:
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| 
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|      compatible = "intel,ce4100-lapic";
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