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										 |  |  | /*
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										 |  |  |  *  arch/arm/mach-rpc/include/mach/io.h | 
					
						
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										 |  |  |  * | 
					
						
							|  |  |  |  *  Copyright (C) 1997 Russell King | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * This program is free software; you can redistribute it and/or modify | 
					
						
							|  |  |  |  * it under the terms of the GNU General Public License version 2 as | 
					
						
							|  |  |  |  * published by the Free Software Foundation. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Modifications: | 
					
						
							|  |  |  |  *  06-Dec-1997	RMK	Created. | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #ifndef __ASM_ARM_ARCH_IO_H
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							|  |  |  | #define __ASM_ARM_ARCH_IO_H
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										 |  |  | #include <mach/hardware.h>
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										 |  |  | #define IO_SPACE_LIMIT 0xffff
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							|  |  |  | /*
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										 |  |  |  * We need PC style IO addressing for: | 
					
						
							|  |  |  |  *  - floppy (at 0x3f2,0x3f4,0x3f5,0x3f7) | 
					
						
							|  |  |  |  *  - parport (at 0x278-0x27a, 0x27b-0x27f, 0x778-0x77a) | 
					
						
							|  |  |  |  *  - 8250 serial (only for compile) | 
					
						
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										 |  |  |  * | 
					
						
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										 |  |  |  * These peripherals are found in an area of MMIO which looks very much | 
					
						
							|  |  |  |  * like an ISA bus, but with registers at the low byte of each word. | 
					
						
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										 |  |  |  */ | 
					
						
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										 |  |  | #define __io(a)		(PCIO_BASE + ((a) << 2))
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							|  |  |  | #endif
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