From 2f7702af64d6ae7ae8b7f6d5dca1bf8bdaf0ac1f Mon Sep 17 00:00:00 2001 From: Ido Yariv Date: Fri, 2 Nov 2012 12:24:00 -0700 Subject: 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 Cc: Mauro Carvalho Chehab Cc: Omar Ramirez Luna Signed-off-by: Ido Yariv Acked-by: Ohad Ben-Cohen Acked-by: Joerg Roedel [tony@atomide.com: updated to be earlier in the series] Signed-off-by: Tony Lindgren 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 66a8139..0000000 --- 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 - * - * 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 */ diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index f55fc5d..0cac372 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -22,7 +22,7 @@ #include #include -#include +#include "omap-iopgtable.h" #define MAXCOLUMN 100 /* for short messages */ diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index d0b1234..f2bbfb0 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -26,7 +26,7 @@ #include -#include +#include "omap-iopgtable.h" #define for_each_iotlb_cr(obj, n, __i, cr) \ for (__i = 0; \ diff --git a/drivers/iommu/omap-iopgtable.h b/drivers/iommu/omap-iopgtable.h new file mode 100644 index 0000000..66a8139 --- /dev/null +++ b/drivers/iommu/omap-iopgtable.h @@ -0,0 +1,120 @@ +/* + * omap iommu: pagetable definitions + * + * Copyright (C) 2008-2010 Nokia Corporation + * + * Written by Hiroshi DOYU + * + * 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 */ diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c index 2e10c3e..b332392 100644 --- a/drivers/iommu/omap-iovmm.c +++ b/drivers/iommu/omap-iovmm.c @@ -24,7 +24,7 @@ #include #include -#include +#include "omap-iopgtable.h" static struct kmem_cache *iovm_area_cachep; -- cgit v0.10.2