ARM: OMAP: Merge iommu2.h into iommu.h

Since iommu is not supported on OMAP1 and will not likely to ever be
supported, merge plat/iommu2.h into iommu.h so only one file would have
to move to platform_data/ as part of the single zImage effort.

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Omar Ramirez Luna <omar.luna@linaro.org>
Signed-off-by: Ido Yariv <ido@wizery.com>
Acked-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

2 files changed, 83 insertions, 101 deletions

diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
index 68b5f0362f35..7e8c7b66ee35 100644
--- a/arch/arm/plat-omap/include/plat/iommu.h
+++ b/arch/arm/plat-omap/include/plat/iommu.h
@@ -13,6 +13,12 @@
 #ifndef __MACH_IOMMU_H
 #define __MACH_IOMMU_H
 
+#include <linux/io.h>
+
+#if defined(CONFIG_ARCH_OMAP1)
+#error "iommu for this processor not implemented yet"
+#endif
+
 struct iotlb_entry {
         u32 da;
         u32 pa;
@@ -159,11 +165,70 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
 #define OMAP_IOMMU_ERR_TBLWALK_FAULT    (1 << 3)
 #define OMAP_IOMMU_ERR_MULTIHIT_FAULT   (1 << 4)
 
-#if defined(CONFIG_ARCH_OMAP1)
-#error "iommu for this processor not implemented yet"
-#else
-#include <plat/iommu2.h>
-#endif
+/*
+ * MMU Register offsets
+ */
+#define MMU_REVISION            0x00
+#define MMU_SYSCONFIG           0x10
+#define MMU_SYSSTATUS           0x14
+#define MMU_IRQSTATUS           0x18
+#define MMU_IRQENABLE           0x1c
+#define MMU_WALKING_ST          0x40
+#define MMU_CNTL                0x44
+#define MMU_FAULT_AD            0x48
+#define MMU_TTB                 0x4c
+#define MMU_LOCK                0x50
+#define MMU_LD_TLB              0x54
+#define MMU_CAM                 0x58
+#define MMU_RAM                 0x5c
+#define MMU_GFLUSH              0x60
+#define MMU_FLUSH_ENTRY         0x64
+#define MMU_READ_CAM            0x68
+#define MMU_READ_RAM            0x6c
+#define MMU_EMU_FAULT_AD        0x70
+
+#define MMU_REG_SIZE            256
+
+/*
+ * MMU Register bit definitions
+ */
+#define MMU_LOCK_BASE_SHIFT     10
+#define MMU_LOCK_BASE_MASK      (0x1f << MMU_LOCK_BASE_SHIFT)
+#define MMU_LOCK_BASE(x)        \
+        ((x & MMU_LOCK_BASE_MASK) >> MMU_LOCK_BASE_SHIFT)
+
+#define MMU_LOCK_VICT_SHIFT     4
+#define MMU_LOCK_VICT_MASK      (0x1f << MMU_LOCK_VICT_SHIFT)
+#define MMU_LOCK_VICT(x)        \
+        ((x & MMU_LOCK_VICT_MASK) >> MMU_LOCK_VICT_SHIFT)
+
+#define MMU_CAM_VATAG_SHIFT     12
+#define MMU_CAM_VATAG_MASK \
+        ((~0UL >> MMU_CAM_VATAG_SHIFT) << MMU_CAM_VATAG_SHIFT)
+#define MMU_CAM_P               (1 << 3)
+#define MMU_CAM_V               (1 << 2)
+#define MMU_CAM_PGSZ_MASK       3
+#define MMU_CAM_PGSZ_1M         (0 << 0)
+#define MMU_CAM_PGSZ_64K        (1 << 0)
+#define MMU_CAM_PGSZ_4K         (2 << 0)
+#define MMU_CAM_PGSZ_16M        (3 << 0)
+
+#define MMU_RAM_PADDR_SHIFT     12
+#define MMU_RAM_PADDR_MASK \
+        ((~0UL >> MMU_RAM_PADDR_SHIFT) << MMU_RAM_PADDR_SHIFT)
+#define MMU_RAM_ENDIAN_SHIFT    9
+#define MMU_RAM_ENDIAN_MASK     (1 << MMU_RAM_ENDIAN_SHIFT)
+#define MMU_RAM_ENDIAN_BIG      (1 << MMU_RAM_ENDIAN_SHIFT)
+#define MMU_RAM_ENDIAN_LITTLE   (0 << MMU_RAM_ENDIAN_SHIFT)
+#define MMU_RAM_ELSZ_SHIFT      7
+#define MMU_RAM_ELSZ_MASK       (3 << MMU_RAM_ELSZ_SHIFT)
+#define MMU_RAM_ELSZ_8          (0 << MMU_RAM_ELSZ_SHIFT)
+#define MMU_RAM_ELSZ_16         (1 << MMU_RAM_ELSZ_SHIFT)
+#define MMU_RAM_ELSZ_32         (2 << MMU_RAM_ELSZ_SHIFT)
+#define MMU_RAM_ELSZ_NONE       (3 << MMU_RAM_ELSZ_SHIFT)
+#define MMU_RAM_MIXED_SHIFT     6
+#define MMU_RAM_MIXED_MASK      (1 << MMU_RAM_MIXED_SHIFT)
+#define MMU_RAM_MIXED           MMU_RAM_MIXED_MASK
 
 /*
  * utilities for super page(16MB, 1MB, 64KB and 4KB)
@@ -218,4 +283,17 @@ omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len);
 extern size_t
 omap_dump_tlb_entries(struct omap_iommu *obj, char *buf, ssize_t len);
 
+/*
+ * register accessors
+ */
+static inline u32 iommu_read_reg(struct omap_iommu *obj, size_t offs)
+{
+        return __raw_readl(obj->regbase + offs);
+}
+
+static inline void iommu_write_reg(struct omap_iommu *obj, u32 val, size_t offs)
+{
+        __raw_writel(val, obj->regbase + offs);
+}
+
 #endif /* __MACH_IOMMU_H */
diff --git a/arch/arm/plat-omap/include/plat/iommu2.h b/arch/arm/plat-omap/include/plat/iommu2.h
deleted file mode 100644
index d4116b595e40..000000000000
--- a/arch/arm/plat-omap/include/plat/iommu2.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * omap iommu: omap2 architecture specific definitions
- *
- * 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.
- */
-
-#ifndef __MACH_IOMMU2_H
-#define __MACH_IOMMU2_H
-
-#include <linux/io.h>
-
-/*
- * MMU Register offsets
- */
-#define MMU_REVISION            0x00
-#define MMU_SYSCONFIG           0x10
-#define MMU_SYSSTATUS           0x14
-#define MMU_IRQSTATUS           0x18
-#define MMU_IRQENABLE           0x1c
-#define MMU_WALKING_ST          0x40
-#define MMU_CNTL                0x44
-#define MMU_FAULT_AD            0x48
-#define MMU_TTB                 0x4c
-#define MMU_LOCK                0x50
-#define MMU_LD_TLB              0x54
-#define MMU_CAM                 0x58
-#define MMU_RAM                 0x5c
-#define MMU_GFLUSH              0x60
-#define MMU_FLUSH_ENTRY         0x64
-#define MMU_READ_CAM            0x68
-#define MMU_READ_RAM            0x6c
-#define MMU_EMU_FAULT_AD        0x70
-
-#define MMU_REG_SIZE            256
-
-/*
- * MMU Register bit definitions
- */
-#define MMU_LOCK_BASE_SHIFT     10
-#define MMU_LOCK_BASE_MASK      (0x1f << MMU_LOCK_BASE_SHIFT)
-#define MMU_LOCK_BASE(x)        \
-        ((x & MMU_LOCK_BASE_MASK) >> MMU_LOCK_BASE_SHIFT)
-
-#define MMU_LOCK_VICT_SHIFT     4
-#define MMU_LOCK_VICT_MASK      (0x1f << MMU_LOCK_VICT_SHIFT)
-#define MMU_LOCK_VICT(x)        \
-        ((x & MMU_LOCK_VICT_MASK) >> MMU_LOCK_VICT_SHIFT)
-
-#define MMU_CAM_VATAG_SHIFT     12
-#define MMU_CAM_VATAG_MASK \
-        ((~0UL >> MMU_CAM_VATAG_SHIFT) << MMU_CAM_VATAG_SHIFT)
-#define MMU_CAM_P               (1 << 3)
-#define MMU_CAM_V               (1 << 2)
-#define MMU_CAM_PGSZ_MASK       3
-#define MMU_CAM_PGSZ_1M         (0 << 0)
-#define MMU_CAM_PGSZ_64K        (1 << 0)
-#define MMU_CAM_PGSZ_4K         (2 << 0)
-#define MMU_CAM_PGSZ_16M        (3 << 0)
-
-#define MMU_RAM_PADDR_SHIFT     12
-#define MMU_RAM_PADDR_MASK \
-        ((~0UL >> MMU_RAM_PADDR_SHIFT) << MMU_RAM_PADDR_SHIFT)
-#define MMU_RAM_ENDIAN_SHIFT    9
-#define MMU_RAM_ENDIAN_MASK     (1 << MMU_RAM_ENDIAN_SHIFT)