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| author | Tony Lindgren <tony@atomide.com> | 2012-11-02 12:24:06 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-11-20 10:04:41 -0800 |
| commit | ed1c7de29f9f3d56b3ca5ef69682cc1a3d369e9d (patch) | |
| tree | cd61bc6adacd14f97d12e51f43171bf0b685727f /drivers/iommu/omap-iommu.c | |
| parent | c8d35c84f5494d8d294205b598f927a11fd41f34 (diff) | |
| download | lwn-ed1c7de29f9f3d56b3ca5ef69682cc1a3d369e9d.tar.gz lwn-ed1c7de29f9f3d56b3ca5ef69682cc1a3d369e9d.zip | |
ARM: OMAP2+: Move iommu2 to drivers/iommu/omap-iommu2.c
This file should not be in arch/arm. Move it to drivers/iommu
to allow making most of the header local to drivers/iommu.
This is needed as we are removing plat and mach includes
from drivers for ARM common zImage support.
Cc: Ido Yariv <ido@wizery.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Omar Ramirez Luna <omar.luna@linaro.org>
Cc: linux-media@vger.kernel.org
Acked-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/iommu/omap-iommu.c')
| -rw-r--r-- | drivers/iommu/omap-iommu.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index eadcfde757ee..4db86e12c200 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -22,12 +22,14 @@ #include <linux/omap-iommu.h> #include <linux/mutex.h> #include <linux/spinlock.h> +#include <linux/io.h> #include <asm/cacheflush.h> #include <plat/iommu.h> #include "omap-iopgtable.h" +#include "omap-iommu.h" #define for_each_iotlb_cr(obj, n, __i, cr) \ for (__i = 0; \ @@ -1016,6 +1018,23 @@ static void iopte_cachep_ctor(void *iopte) clean_dcache_area(iopte, IOPTE_TABLE_SIZE); } +static 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); +} + static int omap_iommu_map(struct iommu_domain *domain, unsigned long da, phys_addr_t pa, size_t bytes, int prot) { |