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Commit 66bc8cf3 authored by Ohad Ben-Cohen's avatar Ohad Ben-Cohen Committed by Joerg Roedel
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iommu/omap: announce supported page sizes 



Let the IOMMU core know we support 4KiB, 64KiB, 1MiB and 16MiB page sizes.

This way the IOMMU core can split any arbitrary-sized physically
contiguous regions (that it needs to map) as needed.

Signed-off-by: default avatarOhad Ben-Cohen <ohad@wizery.com>
Cc: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 7d3002cc

drivers/iommu/omap-iommu.c

+4 −0
Original line number Diff line number Diff line
@@ -33,6 +33,9 @@ 
	     (__i < (n)) && (cr = __iotlb_read_cr((obj), __i), true);	\

	     __i++)



/* bitmap of the page sizes currently supported */

#define OMAP_IOMMU_PGSIZES	(SZ_4K | SZ_64K | SZ_1M | SZ_16M)



/**

 * struct omap_iommu_domain - omap iommu domain

 * @pgtable:	the page table
@@ -1207,6 +1210,7 @@ static struct iommu_ops omap_iommu_ops = { 
	.unmap		= omap_iommu_unmap,

	.iova_to_phys	= omap_iommu_iova_to_phys,

	.domain_has_cap	= omap_iommu_domain_has_cap,

	.pgsize_bitmap	= OMAP_IOMMU_PGSIZES,

};



static int __init omap_iommu_init(void)