From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Alexandre Courbot
<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH 2/4] iommu/tegra: Setup aperture
Date: Fri, 27 Mar 2015 11:07:25 +0100 [thread overview]
Message-ID: <1427450847-17719-2-git-send-email-thierry.reding@gmail.com> (raw)
In-Reply-To: <1427450847-17719-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Each address space in the Tegra SMMU provides 4 GiB worth of addresses.
Cc: Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
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
next prev parent reply other threads:[~2015-03-27 10:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-27 10:07 [PATCH 1/4] iommu/tegra-smmu: Add debugfs support Thierry Reding
[not found] ` <1427450847-17719-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-03-27 10:07 ` Thierry Reding [this message]
[not found] ` <1427450847-17719-2-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-03-27 10:19 ` [PATCH 2/4] iommu/tegra: Setup aperture Thierry Reding
[not found] ` <20150327101935.GB17976-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2015-03-31 13:35 ` Joerg Roedel
2015-03-27 10:07 ` [PATCH 3/4] iommu/tegra: gart: Set aperture at domain initialization time Thierry Reding
2015-03-27 10:07 ` [PATCH 4/4] iommu/tegra: smmu: Compute PFN mask at runtime Thierry Reding
2015-03-27 10:15 ` [PATCH 1/4] iommu/tegra-smmu: Add debugfs support Thierry Reding
[not found] ` <20150327101539.GA17976-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2015-03-31 15:02 ` Joerg Roedel
[not found] ` <20150331150214.GE22683-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-04-14 11:07 ` Thierry Reding
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