diff options
author | Ido Yariv <ido@wizery.com> | 2012-11-02 23:24:00 +0400 |
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committer | Tony Lindgren <tony@atomide.com> | 2012-11-20 22:04:17 +0400 |
commit | 2f7702af64d6ae7ae8b7f6d5dca1bf8bdaf0ac1f (patch) | |
tree | fe291fa5a0154a4d6a19a8cc2b2d3a814ab91105 /arch/arm/plat-omap | |
parent | 8953fe54e7bd0f8cf1a763204e0e3b9e32bcc223 (diff) | |
download | linux-2f7702af64d6ae7ae8b7f6d5dca1bf8bdaf0ac1f.tar.xz |
ARM: OMAP2+: Move iopgtable header to drivers/iommu/
The iopgtable header file is only used by the iommu & iovmm drivers, so
move it to drivers/iommu/, 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>
[tony@atomide.com: updated to be earlier in the series]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r-- | arch/arm/plat-omap/include/plat/iopgtable.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/arch/arm/plat-omap/include/plat/iopgtable.h b/arch/arm/plat-omap/include/plat/iopgtable.h deleted file mode 100644 index 66a813977d52..000000000000 --- a/arch/arm/plat-omap/include/plat/iopgtable.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * omap iommu: pagetable definitions - * - * Copyright (C) 2008-2010 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 __PLAT_OMAP_IOMMU_H -#define __PLAT_OMAP_IOMMU_H - -/* - * "L2 table" address mask and size definitions. - */ -#define IOPGD_SHIFT 20 -#define IOPGD_SIZE (1UL << IOPGD_SHIFT) -#define IOPGD_MASK (~(IOPGD_SIZE - 1)) - -/* - * "section" address mask and size definitions. - */ -#define IOSECTION_SHIFT 20 -#define IOSECTION_SIZE (1UL << IOSECTION_SHIFT) -#define IOSECTION_MASK (~(IOSECTION_SIZE - 1)) - -/* - * "supersection" address mask and size definitions. - */ -#define IOSUPER_SHIFT 24 -#define IOSUPER_SIZE (1UL << IOSUPER_SHIFT) -#define IOSUPER_MASK (~(IOSUPER_SIZE - 1)) - -#define PTRS_PER_IOPGD (1UL << (32 - IOPGD_SHIFT)) -#define IOPGD_TABLE_SIZE (PTRS_PER_IOPGD * sizeof(u32)) - -/* - * "small page" address mask and size definitions. - */ -#define IOPTE_SHIFT 12 -#define IOPTE_SIZE (1UL << IOPTE_SHIFT) -#define IOPTE_MASK (~(IOPTE_SIZE - 1)) - -/* - * "large page" address mask and size definitions. - */ -#define IOLARGE_SHIFT 16 -#define IOLARGE_SIZE (1UL << IOLARGE_SHIFT) -#define IOLARGE_MASK (~(IOLARGE_SIZE - 1)) - -#define PTRS_PER_IOPTE (1UL << (IOPGD_SHIFT - IOPTE_SHIFT)) -#define IOPTE_TABLE_SIZE (PTRS_PER_IOPTE * sizeof(u32)) - -#define IOPAGE_MASK IOPTE_MASK - -/** - * omap_iommu_translate() - va to pa translation - * @d: omap iommu descriptor - * @va: virtual address - * @mask: omap iommu descriptor mask - * - * va to pa translation - */ -static inline phys_addr_t omap_iommu_translate(u32 d, u32 va, u32 mask) -{ - return (d & mask) | (va & (~mask)); -} - -/* - * some descriptor attributes. - */ -#define IOPGD_TABLE (1 << 0) -#define IOPGD_SECTION (2 << 0) -#define IOPGD_SUPER (1 << 18 | 2 << 0) - -#define iopgd_is_table(x) (((x) & 3) == IOPGD_TABLE) -#define iopgd_is_section(x) (((x) & (1 << 18 | 3)) == IOPGD_SECTION) -#define iopgd_is_super(x) (((x) & (1 << 18 | 3)) == IOPGD_SUPER) - -#define IOPTE_SMALL (2 << 0) -#define IOPTE_LARGE (1 << 0) - -#define iopte_is_small(x) (((x) & 2) == IOPTE_SMALL) -#define iopte_is_large(x) (((x) & 3) == IOPTE_LARGE) - -/* to find an entry in a page-table-directory */ -#define iopgd_index(da) (((da) >> IOPGD_SHIFT) & (PTRS_PER_IOPGD - 1)) -#define iopgd_offset(obj, da) ((obj)->iopgd + iopgd_index(da)) - -#define iopgd_page_paddr(iopgd) (*iopgd & ~((1 << 10) - 1)) -#define iopgd_page_vaddr(iopgd) ((u32 *)phys_to_virt(iopgd_page_paddr(iopgd))) - -/* to find an entry in the second-level page table. */ -#define iopte_index(da) (((da) >> IOPTE_SHIFT) & (PTRS_PER_IOPTE - 1)) -#define iopte_offset(iopgd, da) (iopgd_page_vaddr(iopgd) + iopte_index(da)) - -static inline u32 iotlb_init_entry(struct iotlb_entry *e, u32 da, u32 pa, - u32 flags) -{ - memset(e, 0, sizeof(*e)); - - e->da = da; - e->pa = pa; - e->valid = 1; - /* FIXME: add OMAP1 support */ - e->pgsz = flags & MMU_CAM_PGSZ_MASK; - e->endian = flags & MMU_RAM_ENDIAN_MASK; - e->elsz = flags & MMU_RAM_ELSZ_MASK; - e->mixed = flags & MMU_RAM_MIXED_MASK; - - return iopgsz_to_bytes(e->pgsz); -} - -#define to_iommu(dev) \ - (struct omap_iommu *)platform_get_drvdata(to_platform_device(dev)) - -#endif /* __PLAT_OMAP_IOMMU_H */ |