From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 2/4] iommu/tegra: Setup aperture Date: Fri, 27 Mar 2015 11:07:25 +0100 Message-ID: <1427450847-17719-2-git-send-email-thierry.reding@gmail.com> References: <1427450847-17719-1-git-send-email-thierry.reding@gmail.com> Return-path: In-Reply-To: <1427450847-17719-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Joerg Roedel Cc: Stephen Warren , Alexandre Courbot , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Hiroshi Doyu List-Id: iommu@lists.linux-foundation.org From: Thierry Reding Each address space in the Tegra SMMU provides 4 GiB worth of addresses. Cc: Hiroshi Doyu Signed-off-by: Thierry Reding --- drivers/iommu/tegra-smmu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index fff45b3d3e57..7b36760ae087 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -269,6 +269,11 @@ static int tegra_smmu_domain_init(struct iommu_domain *domain) domain->priv = as; + /* setup aperture */ + domain->geometry.aperture_start = 0; + domain->geometry.aperture_end = 0xffffffff; + domain->geometry.force_aperture = true; + return 0; } -- 2.3.2