55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* omap iommu: main structures
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*
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* Copyright (C) 2008-2009 Nokia Corporation
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*
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* Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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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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#include <linux/platform_device.h>
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#define MMU_REG_SIZE 256
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/**
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* struct iommu_arch_data - omap iommu private data
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* @name: name of the iommu device
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* @iommu_dev: handle of the iommu device
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*
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* This is an omap iommu private data object, which binds an iommu user
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* to its iommu device. This object should be placed at the iommu user's
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* dev_archdata so generic IOMMU API can be used without having to
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* utilize omap-specific plumbing anymore.
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*/
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struct omap_iommu_arch_data {
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const char *name;
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struct omap_iommu *iommu_dev;
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};
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/**
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* struct omap_mmu_dev_attr - OMAP mmu device attributes for omap_hwmod
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* @da_start: device address where the va space starts.
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* @da_end: device address where the va space ends.
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* @nr_tlb_entries: number of entries supported by the translation
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* look-aside buffer (TLB).
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*/
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struct omap_mmu_dev_attr {
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u32 da_start;
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u32 da_end;
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int nr_tlb_entries;
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};
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struct iommu_platform_data {
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const char *name;
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const char *reset_name;
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int nr_tlb_entries;
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u32 da_start;
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u32 da_end;
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int (*assert_reset)(struct platform_device *pdev, const char *name);
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int (*deassert_reset)(struct platform_device *pdev, const char *name);
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};
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