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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0af92befeb
Add cached device type for ioremap_cached(). Group all device memory types together, and ensure that they all have a "MT_DEVICE" prefix. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
38 lines
913 B
C
38 lines
913 B
C
/*
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* linux/include/asm-arm/map.h
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*
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* Copyright (C) 1999-2000 Russell King
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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 version 2 as
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* published by the Free Software Foundation.
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*
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* Page table mapping constructs and function prototypes
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*/
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struct map_desc {
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unsigned long virtual;
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unsigned long pfn;
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unsigned long length;
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unsigned int type;
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};
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#define MT_DEVICE 0
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#define MT_DEVICE_NONSHARED 1
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#define MT_DEVICE_CACHED 2
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#define MT_DEVICE_IXP2000 3
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#define MT_CACHECLEAN 4
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#define MT_MINICLEAN 5
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#define MT_LOW_VECTORS 6
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#define MT_HIGH_VECTORS 7
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#define MT_MEMORY 8
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#define MT_ROM 9
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#define MT_NONSHARED_DEVICE MT_DEVICE_NONSHARED
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#define MT_IXP2000_DEVICE MT_DEVICE_IXP2000
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#ifdef CONFIG_MMU
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extern void iotable_init(struct map_desc *, int);
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#else
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#define iotable_init(map,num) do { } while (0)
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#endif
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