78 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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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, MA  02111-1307 USA
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|  */
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| 
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| #ifndef _POWERPC_SYSDEV_DART_H
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| #define _POWERPC_SYSDEV_DART_H
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| 
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| 
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| /* Offset from base to control register */
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| #define DART_CNTL	0
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| 
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| /* Offset from base to exception register */
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| #define DART_EXCP_U3	0x10
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| /* Offset from base to TLB tag registers */
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| #define DART_TAGS_U3	0x1000
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| 
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| /* U4 registers */
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| #define DART_BASE_U4	0x10
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| #define DART_SIZE_U4	0x20
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| #define DART_EXCP_U4	0x30
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| #define DART_TAGS_U4	0x1000
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| 
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| /* Control Register fields */
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| 
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| /* U3 registers */
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| #define DART_CNTL_U3_BASE_MASK	0xfffff
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| #define DART_CNTL_U3_BASE_SHIFT	12
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| #define DART_CNTL_U3_FLUSHTLB	0x400
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| #define DART_CNTL_U3_ENABLE	0x200
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| #define DART_CNTL_U3_SIZE_MASK	0x1ff
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| #define DART_CNTL_U3_SIZE_SHIFT	0
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| 
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| /* U4 registers */
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| #define DART_BASE_U4_BASE_MASK	0xffffff
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| #define DART_BASE_U4_BASE_SHIFT	0
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| #define DART_CNTL_U4_ENABLE	0x80000000
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| #define DART_CNTL_U4_IONE	0x40000000
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| #define DART_CNTL_U4_FLUSHTLB	0x20000000
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| #define DART_CNTL_U4_IDLE	0x10000000
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| #define DART_CNTL_U4_PAR_EN	0x08000000
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| #define DART_CNTL_U4_IONE_MASK	0x07ffffff
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| #define DART_SIZE_U4_SIZE_MASK	0x1fff
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| #define DART_SIZE_U4_SIZE_SHIFT	0
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| 
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| #define DART_REG(r)	(dart + ((r) >> 2))
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| #define DART_IN(r)	(in_be32(DART_REG(r)))
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| #define DART_OUT(r,v)	(out_be32(DART_REG(r), (v)))
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| 
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| 
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| /* size of table in pages */
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| 
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| 
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| /* DART table fields */
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| 
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| #define DARTMAP_VALID   0x80000000
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| #define DARTMAP_RPNMASK 0x00ffffff
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| 
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| 
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| #define DART_PAGE_SHIFT		12
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| #define DART_PAGE_SIZE		(1 << DART_PAGE_SHIFT)
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| 
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| 
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| #endif /* _POWERPC_SYSDEV_DART_H */
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