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Mon, 05 Oct 2020 14:33:01 +0100 From: Marc Zyngier To: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: tegra: Fix GIC400 missing GICH/GICV register regions Date: Mon, 5 Oct 2020 14:32:56 +0100 Message-Id: <20201005133256.1390543-1-maz@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, thierry.reding@gmail.com, jonathanh@nvidia.com, nkristam@nvidia.com, skomatineni@nvidia.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201005_093304_461591_590073E5 X-CRM114-Status: GOOD ( 15.44 ) X-Spam-Score: -5.9 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.7 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sowjanya Komatineni , kernel-team@android.com, Thierry Reding , Nagarjuna Kristam , Jonathan Hunter Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org GIC400 has full support for virtualization, and yet the tegra186 DT doesn't expose the GICH/GICV regions (despite exposing the maintenance interrupt that only makes sense for virtualization). Add the missing regions, based on the hunch that the HW doesn't use the CPU build-in interfaces, but instead the external ones provided by the GIC. KVM's virtual GIC now works with this change. Signed-off-by: Marc Zyngier --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 8eb61dd9921e..fd44545e124d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -630,7 +630,9 @@ gic: interrupt-controller@3881000 { #interrupt-cells = <3>; interrupt-controller; reg = <0x0 0x03881000 0x0 0x1000>, - <0x0 0x03882000 0x0 0x2000>; + <0x0 0x03882000 0x0 0x2000>, + <0x0 0x03884000 0x0 0x2000>, + <0x0 0x03886000 0x0 0x2000>; interrupts = ; interrupt-parent = <&gic>;