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-rw-r--r--include/linux/platform_data/iommu-omap.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/platform_data/iommu-omap.h b/include/linux/platform_data/iommu-omap.h
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1/*
2 * omap iommu: main structures
3 *
4 * Copyright (C) 2008-2009 Nokia Corporation
5 *
6 * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#define MMU_REG_SIZE 256
14
15/**
16 * struct iommu_arch_data - omap iommu private data
17 * @name: name of the iommu device
18 * @iommu_dev: handle of the iommu device
19 *
20 * This is an omap iommu private data object, which binds an iommu user
21 * to its iommu device. This object should be placed at the iommu user's
22 * dev_archdata so generic IOMMU API can be used without having to
23 * utilize omap-specific plumbing anymore.
24 */
25struct omap_iommu_arch_data {
26 const char *name;
27 struct omap_iommu *iommu_dev;
28};
29
30/**
31 * struct omap_mmu_dev_attr - OMAP mmu device attributes for omap_hwmod
32 * @da_start: device address where the va space starts.
33 * @da_end: device address where the va space ends.
34 * @nr_tlb_entries: number of entries supported by the translation
35 * look-aside buffer (TLB).
36 */
37struct omap_mmu_dev_attr {
38 u32 da_start;
39 u32 da_end;
40 int nr_tlb_entries;
41};
42
43struct iommu_platform_data {
44 const char *name;
45 const char *clk_name;
46 const int nr_tlb_entries;
47 u32 da_start;
48 u32 da_end;
49};