From: "Niklas Söderlund" <niklas.soderlund@ragnatech.se>
To: linux-sh@vger.kernel.org
Subject: [RFC 4/4] enable ipmmu for devcies connected to ipmmu_ds
Date: Fri, 08 Jan 2016 08:23:06 +0000 [thread overview]
Message-ID: <1452241386-22830-5-git-send-email-niklas.soderlund+renesas@ragnatech.se> (raw)
This commits shows how I test DMAC+IPMMU.
---
arch/arm/boot/dts/r8a7790.dtsi | 2 +-
arch/arm/configs/shmobile_defconfig | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index 23af349..c2402f2 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -1818,7 +1818,7 @@
interrupts = <0 198 IRQ_TYPE_LEVEL_HIGH>,
<0 199 IRQ_TYPE_LEVEL_HIGH>;
#iommu-cells = <1>;
- status = "disabled";
+ status = "okay";
};
ipmmu_mp: mmu@ec680000 {
diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index 3aef019..e9a1194 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -21,6 +21,7 @@ CONFIG_ARCH_R8A7791=y
CONFIG_ARCH_R8A7793=y
CONFIG_ARCH_R8A7794=y
CONFIG_ARCH_SH73A0=y
+CONFIG_ARM_LPAE=y
CONFIG_CPU_BPREDICT_DISABLE=y
CONFIG_PL310_ERRATA_588369=y
CONFIG_ARM_ERRATA_754322=y
@@ -180,7 +181,7 @@ CONFIG_RTC_DRV_RX8581=y
CONFIG_DMADEVICES=y
CONFIG_SH_DMAE=y
CONFIG_RCAR_DMAC=y
-# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_IPMMU_VMSA=y
CONFIG_IIO=y
CONFIG_AK8975=y
CONFIG_PWM=y
--
2.6.4
next reply other threads:[~2016-01-08 8:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 8:23 Niklas Söderlund [this message]
2016-01-08 17:49 ` [RFC 4/4] enable ipmmu for devcies connected to ipmmu_ds Sergei Shtylyov
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