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	Add a library that helps in translating between virtual and physical addresses. This library can be useful as a simple means to implement map_physmem() and virt_to_phys() for platforms that need functionality beyond the simple 1:1 mapping. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
		
			
				
	
	
		
			30 lines
		
	
	
		
			1001 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			1001 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef __ADDR_MAP_H
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| #define __ADDR_MAP_H
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| 
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| /*
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|  * Copyright 2008 Freescale Semiconductor, Inc.
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License
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|  * Version 2 as published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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|  * MA 02111-1307 USA
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|  */
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| 
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| #include <asm/types.h>
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| 
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| extern phys_addr_t addrmap_virt_to_phys(void *vaddr);
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| extern unsigned long addrmap_phys_to_virt(phys_addr_t paddr);
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| extern void addrmap_set_entry(unsigned long vaddr, phys_addr_t paddr,
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| 				phys_size_t size, int idx);
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| 
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| #endif
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