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Date: Mon, 06 Jun 2016 12:59:07 +0900
From: Magnus Damm <magnus.damm@...il.com>
To: iommu@...ts.linux-foundation.org
Cc: laurent.pinchart+renesas@...asonboard.com, geert+renesas@...der.be,
joro@...tes.org, linux-kernel@...r.kernel.org,
linux-renesas-soc@...r.kernel.org, horms+renesas@...ge.net.au,
Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH v2 11/11] iommu/ipmmu-vmsa: Hook up r8a7795 DT matching code
From: Magnus Damm <damm+renesas@...nsource.se>
Tie in r8a7795 features and update the IOMMU_OF_DECLARE
compat string to hook up the updated compat string.
TODO:
- Go over init order once more
- Consider counting number of IPMMU devices from ->xlate()
- Experiment with delaying call to bus_set_iommu()
Signed-off-by: Magnus Damm <damm+renesas@...nsource.se>
---
Changes since V1:
- Enable multi context feature
- Update TODO list
drivers/iommu/ipmmu-vmsa.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- 0027/drivers/iommu/ipmmu-vmsa.c
+++ work/drivers/iommu/ipmmu-vmsa.c 2016-06-06 11:13:33.220607110 +0900
@@ -1074,11 +1074,22 @@ static const struct ipmmu_features ipmmu
.twobit_imttbcr_sl0 = false,
};
+static const struct ipmmu_features ipmmu_features_r8a7795 = {
+ .use_ns_alias_offset = false,
+ .has_cache_leaf_nodes = true,
+ .has_eight_ctx = true,
+ .setup_imbuscr = false,
+ .twobit_imttbcr_sl0 = true,
+};
+
static const struct of_device_id ipmmu_of_ids[] = {
{
.compatible = "renesas,ipmmu-vmsa",
.data = &ipmmu_features_default,
}, {
+ .compatible = "renesas,ipmmu-r8a7795",
+ .data = &ipmmu_features_r8a7795,
+ }, {
/* Terminator */
},
};
@@ -1255,6 +1266,8 @@ static int __init ipmmu_vmsa_iommu_of_se
IOMMU_OF_DECLARE(ipmmu_vmsa_iommu_of, "renesas,ipmmu-vmsa",
ipmmu_vmsa_iommu_of_setup);
+IOMMU_OF_DECLARE(ipmmu_r8a7795_iommu_of, "renesas,ipmmu-r8a7795",
+ ipmmu_vmsa_iommu_of_setup);
#endif
MODULE_DESCRIPTION("IOMMU API for Renesas VMSA-compatible IPMMU");
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