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Thu, 12 Sep 2019 07:36:08 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20190912073608eusmtrp273c289cdbb8efbb23b26911a82e1d42c~DoK7buTrE0606806068eusmtrp2Z; Thu, 12 Sep 2019 07:36:08 +0000 (GMT) X-AuditID: cbfec7f2-569ff70000001175-15-5d79f568c538 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 65.31.04166.865F97D5; Thu, 12 Sep 2019 08:36:08 +0100 (BST) Received: from AMDC2765.DIGITAL.local (unknown [106.120.51.73]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20190912073607eusmtip1a8062ea741ba3490b4306770698d4d9a~DoK7EK7c80236902369eusmtip1F; Thu, 12 Sep 2019 07:36:07 +0000 (GMT) From: Marek Szyprowski To: linux-samsung-soc@vger.kernel.org Cc: Marek Szyprowski , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Alim Akhtar , stable@vger.kernel.org Subject: [PATCH] arm64: dts: exynos: Revert "Remove unneeded address space mapping for soc node" Date: Thu, 12 Sep 2019 09:36:02 +0200 Message-Id: <20190912073602.22829-1-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrIIsWRmVeSWpSXmKPExsWy7djP87oZXytjDQ4fN7J4MG8bm8XGGetZ Lc6f38BuMeP8PiaLtUfuslss2PiI0YHNY9OqTjaPvi2rGD0+b5ILYI7isklJzcksSy3St0vg ymhe95ixYJpEReuJGywNjPeFuxg5OSQETCTefNvH1sXIxSEksIJR4viT+awQzhdGif5zncwQ zmdGiaMrG4EyHGAtJ2abQ8SXM0ocaW9nguu4P+EXC8hcNgFDia63XWwgtoiAqsTntgXsIEXM AucZJd72T2EGSQgLJEm8eHCRFcRmASr6t34fWDOvgK3EtteXWCAOlJdYveEA2BkSAgfYJBpu PWGGSLhIXD/RwgphC0u8Or6FHcKWkfi/cz4TREMzo8TDc2vZIZweRonLTTMYIaqsJQ4fvwj2 ELOApsT6XfoQYUeJpxtOsED8ySdx460gSJgZyJy0bTozRJhXoqNNCKJaTWLW8XVwaw9euAR1 mofE5VtzwWwhgViJDWeb2CYwys1C2LWAkXEVo3hqaXFuemqxYV5quV5xYm5xaV66XnJ+7iZG YMSf/nf80w7Gr5eSDjEKcDAq8fAK3K2IFWJNLCuuzD3EKMHBrCTC6/OmMlaINyWxsiq1KD++ qDQntfgQozQHi5I4bzXDg2ghgfTEktTs1NSC1CKYLBMHp1QD4xJLhpXTvzzteSNjuObSk/Mb 4rcc5E0MuvnqilmzSa2PyZx5JVt29LRP9vuVvPFJ8HPP2MIVM197/HiZIvzUxfGdueSEv02S 5n3Jpv3r5r4N14wXaj379oy6+BSdcyW3imxfWcpIP9QRK9414XLWt2dq/g1PH9ZdcVDRnjGH 83rzVUXuzMTj25VYijMSDbWYi4oTAbCJAo/0AgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKLMWRmVeSWpSXmKPExsVy+t/xu7oZXytjDW72slk8mLeNzWLjjPWs FufPb2C3mHF+H5PF2iN32S0WbHzE6MDmsWlVJ5tH35ZVjB6fN8kFMEfp2RTll5akKmTkF5fY KkUbWhjpGVpa6BmZWOoZGpvHWhmZKunb2aSk5mSWpRbp2yXoZTSve8xYME2iovXEDZYGxvvC XYwcHBICJhInZpt3MXJxCAksZZQ4dPkbexcjJ1BcRuLktAZWCFtY4s+1LjaIok+MEr8Xz2EG SbAJGEp0vQVJcHKICKhKfG5bANbMLHCZUeLJZWMQW1ggQeL8nrlMIDYLUM2/9ftYQGxeAVuJ ba8vsUAskJdYveEA8wRGngWMDKsYRVJLi3PTc4sN9YoTc4tL89L1kvNzNzECg2zbsZ+bdzBe 2hh8iFGAg1GJh1fgbkWsEGtiWXFl7iFGCQ5mJRFenzeVsUK8KYmVValF+fFFpTmpxYcYTYGW T2SWEk3OB0ZAXkm8oamhuYWlobmxubGZhZI4b4fAwRghgfTEktTs1NSC1CKYPiYOTqkGRq5n wUwLp3JM2xL5QsZGO0poakuPWruAYTBXa9Vt7evf03faPWa8vDHPMu3UjdPLc75NPRZ+lffH 438CVyx99+fX7JrzeaHfnSXpTs6XRH16GkvC/4ue2dIsuDCCreXnOsZdCm9TojULlXc/shf9 sjr53uSyOpHaC+57lk+5auJVdvxv0PfCciWW4oxEQy3mouJEAPgx/cBIAgAA X-CMS-MailID: 20190912073608eucas1p1c2da86b1f85244a507b0f2ce96390ad3 X-Msg-Generator: CA X-RootMTR: 20190912073608eucas1p1c2da86b1f85244a507b0f2ce96390ad3 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190912073608eucas1p1c2da86b1f85244a507b0f2ce96390ad3 References: Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Commit ef72171b3621 ("arm64: dts: exynos: Remove unneeded address space mapping for soc node") changed the address and size cells in root node from 2 to 1, but /memory nodes for the affected boards were not updated. This went unnoticed on Exynos5433-based TM2(e) boards, because they use u-boot, which updates /memory node to the correct values. On the other hand, the mentioned commit broke boot on Exynos7-based Espresso board, which bootloader doesn't touch /memory node at all. This patch reverts commit ef72171b3621, so Exynos5433 and Exynos7 SoCs again matches other ARM64 platforms with 64bit mappings in root node. Reported-by: Alim Akhtar Fixes: ef72171b3621 ("arm64: dts: exynos: Remove unneeded address space mapping for soc node") Signed-off-by: Marek Szyprowski Cc: Tested-by: Alim Akhtar --- A few more comments: 1. I've added 'tested-by' tag from Alim, as his original report pointed that reverting the offending commit fixes the boot issue. 2. This patch applies down to v4.18. 3. For v5.3 release, two patches: - "arm64: dts: exynos: Move GPU under /soc node for Exynos5433" - "arm64: dts: exynos: Move GPU under /soc node for Exynos7" has to be applied first to ensure that GPU node will have correct 'reg' property (nodes under /soc still use 32bit mappings). I'm not sure if this can be expressed somehow in stable porting tags. Best regards Marek Szyprowski Samsung R&D Institute Poland --- arch/arm64/boot/dts/exynos/exynos5433.dtsi | 6 +++--- arch/arm64/boot/dts/exynos/exynos7.dtsi | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) -- 2.17.1 diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi index 239bf44d174b..f69530730219 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi @@ -18,8 +18,8 @@ / { compatible = "samsung,exynos5433"; - #address-cells = <1>; - #size-cells = <1>; + #address-cells = <2>; + #size-cells = <2>; interrupt-parent = <&gic>; @@ -260,7 +260,7 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges; + ranges = <0x0 0x0 0x0 0x18000000>; chipid@10000000 { compatible = "samsung,exynos4210-chipid"; diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi index f09800f355db..3a00ef0a17ff 100644 --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi @@ -12,8 +12,8 @@ / { compatible = "samsung,exynos7"; interrupt-parent = <&gic>; - #address-cells = <1>; - #size-cells = <1>; + #address-cells = <2>; + #size-cells = <2>; aliases { pinctrl0 = &pinctrl_alive; @@ -87,7 +87,7 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges; + ranges = <0 0 0 0x18000000>; chipid@10000000 { compatible = "samsung,exynos4210-chipid";