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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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+++ b/include/linux/platform_data/iommu-omap.h
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+/*
+ * omap iommu: main structures
+ *
+ * Copyright (C) 2008-2009 Nokia Corporation
+ *
+ * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define MMU_REG_SIZE 256
+
+/**
+ * struct iommu_arch_data - omap iommu private data
+ * @name: name of the iommu device
+ * @iommu_dev: handle of the iommu device
+ *
+ * This is an omap iommu private data object, which binds an iommu user
+ * to its iommu device. This object should be placed at the iommu user's
+ * dev_archdata so generic IOMMU API can be used without having to
+ * utilize omap-specific plumbing anymore.
+ */
+struct omap_iommu_arch_data {
+ const char *name;
+ struct omap_iommu *iommu_dev;
+};
+
+/**
+ * struct omap_mmu_dev_attr - OMAP mmu device attributes for omap_hwmod
+ * @da_start: device address where the va space starts.
+ * @da_end: device address where the va space ends.
+ * @nr_tlb_entries: number of entries supported by the translation
+ * look-aside buffer (TLB).
+ */
+struct omap_mmu_dev_attr {
+ u32 da_start;
+ u32 da_end;
+ int nr_tlb_entries;
+};
+
+struct iommu_platform_data {
+ const char *name;
+ const char *clk_name;
+ const int nr_tlb_entries;
+ u32 da_start;
+ u32 da_end;
+};