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-rw-r--r--arch/arm/mach-msm/include/mach/iommu.h120
1 files changed, 0 insertions, 120 deletions
diff --git a/arch/arm/mach-msm/include/mach/iommu.h b/arch/arm/mach-msm/include/mach/iommu.h
deleted file mode 100644
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--- a/arch/arm/mach-msm/include/mach/iommu.h
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@@ -1,120 +0,0 @@
-/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#ifndef MSM_IOMMU_H
-#define MSM_IOMMU_H
-
-#include <linux/interrupt.h>
-#include <linux/clk.h>
-
-/* Sharability attributes of MSM IOMMU mappings */
-#define MSM_IOMMU_ATTR_NON_SH 0x0
-#define MSM_IOMMU_ATTR_SH 0x4
-
-/* Cacheability attributes of MSM IOMMU mappings */
-#define MSM_IOMMU_ATTR_NONCACHED 0x0
-#define MSM_IOMMU_ATTR_CACHED_WB_WA 0x1
-#define MSM_IOMMU_ATTR_CACHED_WB_NWA 0x2
-#define MSM_IOMMU_ATTR_CACHED_WT 0x3
-
-/* Mask for the cache policy attribute */
-#define MSM_IOMMU_CP_MASK 0x03
-
-/* Maximum number of Machine IDs that we are allowing to be mapped to the same
- * context bank. The number of MIDs mapped to the same CB does not affect
- * performance, but there is a practical limit on how many distinct MIDs may
- * be present. These mappings are typically determined at design time and are
- * not expected to change at run time.
- */
-#define MAX_NUM_MIDS 32
-
-/**
- * struct msm_iommu_dev - a single IOMMU hardware instance
- * name Human-readable name given to this IOMMU HW instance
- * ncb Number of context banks present on this IOMMU HW instance
- */
-struct msm_iommu_dev {
- const char *name;
- int ncb;
-};
-
-/**
- * struct msm_iommu_ctx_dev - an IOMMU context bank instance
- * name Human-readable name given to this context bank
- * num Index of this context bank within the hardware
- * mids List of Machine IDs that are to be mapped into this context
- * bank, terminated by -1. The MID is a set of signals on the
- * AXI bus that identifies the function associated with a specific
- * memory request. (See ARM spec).
- */
-struct msm_iommu_ctx_dev {
- const char *name;
- int num;
- int mids[MAX_NUM_MIDS];
-};
-
-
-/**
- * struct msm_iommu_drvdata - A single IOMMU hardware instance
- * @base: IOMMU config port base address (VA)
- * @ncb The number of contexts on this IOMMU
- * @irq: Interrupt number
- * @clk: The bus clock for this IOMMU hardware instance
- * @pclk: The clock for the IOMMU bus interconnect
- *
- * A msm_iommu_drvdata holds the global driver data about a single piece
- * of an IOMMU hardware instance.
- */
-struct msm_iommu_drvdata {
- void __iomem *base;
- int irq;
- int ncb;
- struct clk *clk;
- struct clk *pclk;
-};
-
-/**
- * struct msm_iommu_ctx_drvdata - an IOMMU context bank instance
- * @num: Hardware context number of this context
- * @pdev: Platform device associated wit this HW instance
- * @attached_elm: List element for domains to track which devices are
- * attached to them
- *
- * A msm_iommu_ctx_drvdata holds the driver data for a single context bank
- * within each IOMMU hardware instance
- */
-struct msm_iommu_ctx_drvdata {
- int num;
- struct platform_device *pdev;
- struct list_head attached_elm;
-};
-
-/*
- * Look up an IOMMU context device by its context name. NULL if none found.
- * Useful for testing and drivers that do not yet fully have IOMMU stuff in
- * their platform devices.
- */
-struct device *msm_iommu_get_ctx(const char *ctx_name);
-
-/*
- * Interrupt handler for the IOMMU context fault interrupt. Hooking the
- * interrupt is not supported in the API yet, but this will print an error
- * message and dump useful IOMMU registers.
- */
-irqreturn_t msm_iommu_fault_handler(int irq, void *dev_id);
-
-#endif
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