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Mon, 26 Aug 2019 10:32:02 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20190826103202eusmtrp1c96010145a8bc4cdd6f839f73d19797c~_cmqTLDkC1243812438eusmtrp1p; Mon, 26 Aug 2019 10:32:02 +0000 (GMT) X-AuditID: cbfec7f5-4ddff70000001116-6f-5d63b5236c07 Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 48.63.04117.225B36D5; Mon, 26 Aug 2019 11:32:02 +0100 (BST) Received: from AMDC2765.DIGITAL.local (unknown [106.120.51.73]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20190826103202eusmtip22a8d39baca137c8f59381178edc78f0c~_cmp76SPK0460104601eusmtip2d; Mon, 26 Aug 2019 10:32:02 +0000 (GMT) From: Marek Szyprowski To: linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marek Szyprowski , Krzysztof Kozlowski , Chanwoo Choi , Bartlomiej Zolnierkiewicz Subject: [PATCH v2 1/2] ARM: dts: exynos: Add support ARM architected timers Date: Mon, 26 Aug 2019 12:31:41 +0200 Message-Id: <20190826103142.3477-3-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190826103142.3477-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrPIsWRmVeSWpSXmKPExsWy7djP87rKW5NjDdY1cVtsnLGe1eL6l+es FufPb2C32PT4GqvFjPP7mCzWHrnL7sDmsWlVJ5vH5iX1Hn1bVjF6fN4kF8ASxWWTkpqTWZZa pG+XwJXxeck9loKnwhW/Z8xha2DcKNDFyMkhIWAiMXPrDeYuRi4OIYEVjBId59azQDhfGCV+ 915ig3A+M0pcnb+VGablzNFTUInljBJtK94xgiTAWt4tCQex2QQMJbredrGB2CIC3hKTz/xl B2lgFtjGKLGl9wHYJGEBH4kf/1rAmlkEVCW2Ht7J2sXIwcErYCMx55gVxDJ5idUbDjCDhDkF bCUerDCECN9nk1iyNhrCdpE423WNDcIWlnh1fAs7hC0jcXpyD9g3EgLNjBIPz61lh3B6GCUu N81ghKiyljh8/CLYXmYBTYn1u/Qhwo4SbZfXgIUlBPgkbrwVBAkzA5mTtk1nhgjzSnS0CUFU q0nMOr4Obu3BC5egQeUhMb/zCBMkqCYwSpxpfsw+gVF+FsKyBYyMqxjFU0uLc9NTi43zUsv1 ihNzi0vz0vWS83M3MQKTwel/x7/uYNz3J+kQowAHoxIPb0JpcqwQa2JZcWXuIUYJDmYlEd4c /cRYId6UxMqq1KL8+KLSnNTiQ4zSHCxK4rzVDA+ihQTSE0tSs1NTC1KLYLJMHJxSDYydSh67 mcS0hR+V7BfrS33I8lXCyIgnP0PyU+fuJXFN3UmRjdJl9dFRNgqXsz4xZLNF6lboTuF57x9h q9f+69gVXaboygMzbS/mZdqv8fx0e5aHYwfHyeVek2U3tmf+/mTG2zWH61J7cX3z7Tcb363P bvh/dl7ucqkL+4Nuqd1L2xz9w2pvlBJLcUaioRZzUXEiAMB0oRkCAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrALMWRmVeSWpSXmKPExsVy+t/xe7pKW5NjDTZskbDYOGM9q8X1L89Z Lc6f38BusenxNVaLGef3MVmsPXKX3YHNY9OqTjaPzUvqPfq2rGL0+LxJLoAlSs+mKL+0JFUh I7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbKyFRJ384mJTUnsyy1SN8uQS/j85J7LAVPhSt+z5jD 1sC4UaCLkZNDQsBE4szRU2wgtpDAUkaJq2s8IOIyEienNbBC2MISf651AdVwAdV8YpS49eYB WAObgKFE19suMFtEwFfi8ZuVLCBFzAI7GCW27HgL1i0s4CPx418LI4jNIqAqsfXwTqA4Bwev gI3EnGNWEAvkJVZvOMAMEuYUsJV4sMIQ4h4biT+P5rFOYORbwMiwilEktbQ4Nz232EivODG3 uDQvXS85P3cTIzA0tx37uWUHY9e74EOMAhyMSjy8CaXJsUKsiWXFlbmHGCU4mJVEeHP0E2OF eFMSK6tSi/Lji0pzUosPMZoCnTSRWUo0OR8YN3kl8YamhuYWlobmxubGZhZK4rwdAgdjhATS E0tSs1NTC1KLYPqYODilGhijZK9eTlmvlPNg0uMo9Sn2SkfzJ06Y8Daz5qbt7W3Hr7IbXHUP MtPOXvdTvfBkHf+JXlZ/G4c924LFjJnez5aOWWF/46Hm311qkkoCBvZml65/ZdvHIGSWJdi/ YevH0ylC0kWM8j1sX1rurlm0pszzzzrZrowDvYKO1olXwwqOXdzUZ/gsKESJpTgj0VCLuag4 EQAgUnEgYwIAAA== X-CMS-MailID: 20190826103202eucas1p16bd422bd505086e9ee27f528a8b48d57 X-Msg-Generator: CA X-RootMTR: 20190826103202eucas1p16bd422bd505086e9ee27f528a8b48d57 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190826103202eucas1p16bd422bd505086e9ee27f528a8b48d57 References: <20190826103142.3477-1-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org All CortexA7/A15 based Exynos SoCs have ARM architected timers, so enable support for them directly in the base dtsi for Exynos3250, Exynos5250 and Exynos54xx SoCs. None of the known firmware properly configures arch timer registers, so mark them as not-fw-configured and set frequency to 24MHz, which is the only configuration supported by the remaining drivers (clocks) so far. Signed-off-by: Marek Szyprowski --- arch/arm/boot/dts/exynos3250.dtsi | 10 ++++++++++ arch/arm/boot/dts/exynos5250.dtsi | 1 + arch/arm/boot/dts/exynos54xx.dtsi | 10 ++++++++++ 3 files changed, 21 insertions(+) -- 2.17.1 diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi index 5659c4a10729..01e06b49d702 100644 --- a/arch/arm/boot/dts/exynos3250.dtsi +++ b/arch/arm/boot/dts/exynos3250.dtsi @@ -132,6 +132,16 @@ ; }; + timer { + compatible = "arm,armv7-timer"; + interrupts = , + , + , + ; + clock-frequency = <24000000>; + arm,cpu-registers-not-fw-configured; + }; + soc: soc { compatible = "simple-bus"; #address-cells = <1>; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 4157a1315db9..f78897413cbc 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -1089,6 +1089,7 @@ * so we need the value from DT. */ clock-frequency = <24000000>; + arm,cpu-registers-not-fw-configured; }; }; diff --git a/arch/arm/boot/dts/exynos54xx.dtsi b/arch/arm/boot/dts/exynos54xx.dtsi index 9c3b63b7cac6..4e6c29530632 100644 --- a/arch/arm/boot/dts/exynos54xx.dtsi +++ b/arch/arm/boot/dts/exynos54xx.dtsi @@ -45,6 +45,16 @@ status = "disabled"; }; + timer { + compatible = "arm,armv7-timer"; + interrupts = , + , + , + ; + clock-frequency = <24000000>; + arm,cpu-registers-not-fw-configured; + }; + soc: soc { sysram@2020000 { compatible = "mmio-sram"; From patchwork Mon Aug 26 10:31:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 172162 Delivered-To: patch@linaro.org Received: by 2002:a92:d204:0:0:0:0:0 with SMTP id y4csp4149930ily; Mon, 26 Aug 2019 03:32:09 -0700 (PDT) X-Google-Smtp-Source: APXvYqyVDktprU7JuLWk5oqKBPOsp9xr7kYislZk9O4uS/HvdNmJ7fO2+zcWlp8PHyaZnvfBuoCB X-Received: by 2002:a17:90a:cc0c:: with SMTP id b12mr18592792pju.138.1566815529045; Mon, 26 Aug 2019 03:32:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1566815529; cv=none; d=google.com; s=arc-20160816; b=oMx87149lXlwxVPEpzPWnepq3y6vmkN9GwD1ZMdcORIXkWvaK0f8xjHRK0n8viJkRu hY0sJhhgMXP/QZQMydGQ/4dko1OKpPkZFSiebffJM083urz1KxILIJ/oAr16zb9PCjmw AQgSXVSRSmTa1Ra5itQLCXBOxFxgorKaabDNqqNqQckJ/ESJGYyN9JPurU9yWBFA+aZz PJjvbySPgW4i1DKfWiwKyEgFCMU/6Yk34WbTTIPnWmT7KdI6ffQ46KJnMthUKtmAW4IA PpLh5sdf5Tzw4amVZa3QEhMw1vmsuJ75HvQ7IwhF1gMabEx7fx+hy3WqUI//v6SObWa5 i/dg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:cms-type:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature:dkim-filter; bh=Ip+6fltHztJReMlz2T2VDcULtxKY9cslS3Sg66M7syQ=; b=0R/MDrNeVR1EW0hFxgpL9MeeJuJmINLj81xGZAQAYKEpq0qhx79Pt8R0Kr9DaE/47Y uAjO7KGO1UpcAIHmx35dygR/Ael2Qs8Mcp6k721UHGgtyiY1l63I11x1ccZ6uyNl5B2d 4LmGRllsZqhverJbItwIlfnjMCsRh0uNEUvU2mNuTAl3krXMXkmjr7LI27yKVllEVpI6 esmyAGo/7mBDXwWllVo7uPNI+oGtXVN3cMk9dLUu0dmcPZMtmD8Q5uIREKqYeoFTreiV nbE7ldCpHIqh5K0WE2eSjSpbJ450GNxjAZeWnkYhBdkv1+YRpDNwdkm/5bPQu/tpMCII UorQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@samsung.com header.s=mail20170921 header.b=qTHrARph; spf=pass (google.com: best guess record for domain of linux-samsung-soc-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-samsung-soc-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=samsung.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. 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Mon, 26 Aug 2019 10:32:03 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20190826103202eusmtrp2a62a27e9ae1e3ee315e38b06a5ad69ea~_cmqw9sHO1574315743eusmtrp2s; Mon, 26 Aug 2019 10:32:02 +0000 (GMT) X-AuditID: cbfec7f4-ae1ff700000010d5-fe-5d63b523cc81 Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 5A.63.04117.225B36D5; Mon, 26 Aug 2019 11:32:02 +0100 (BST) Received: from AMDC2765.DIGITAL.local (unknown [106.120.51.73]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20190826103202eusmtip266c0211cac19abf51a585a59911f35a2~_cmqTNKKp0324503245eusmtip21; Mon, 26 Aug 2019 10:32:02 +0000 (GMT) From: Marek Szyprowski To: linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marek Szyprowski , Krzysztof Kozlowski , Chanwoo Choi , Bartlomiej Zolnierkiewicz Subject: [PATCH v2 2/2] ARM: exynos: Enable support for ARM architected timers Date: Mon, 26 Aug 2019 12:31:42 +0200 Message-Id: <20190826103142.3477-4-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190826103142.3477-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrPIsWRmVeSWpSXmKPExsWy7djP87rKW5NjDSZf07XYOGM9q8X1L89Z Lc6f38BusenxNVaLGef3MVmsPXKX3YHNY9OqTjaPzUvqPfq2rGL0+LxJLoAlissmJTUnsyy1 SN8ugSvj9J36gk1sFbf+SDUwbmTtYuTkkBAwkbi1cDNjFyMXh5DACkaJXU9+s0E4XxglVt+4 DpX5zCjx7fF7ZpiWw79mQVUtZ5S4vu0XM1zLopfLWUCq2AQMJbredrGB2CIC3hKTz/xlByli FtjGKLGl9wFQBweHsECAxJYHUSA1LAKqEpNWdIAdxStgI/G89w0bxDZ5idUbDoCVcwrYSjxY YQgyRkLgNpvE/n1zoWpcJL71r4J6SFji1fEt7BC2jMT/nfOZIBqaGSUenlvLDuH0MEpcbprB CFFlLXH4+EVWkA3MApoS63fpQ4QdJTZv7mAHCUsI8EnceCsIEmYGMidtm84MEeaV6GgTgqhW k5h1fB3c2oMXLkEDy0Pi9NKz0FCcwChx79E5tgmM8rMQli1gZFzFKJ5aWpybnlpslJdarlec mFtcmpeul5yfu4kRmAxO/zv+ZQfjrj9JhxgFOBiVeHgTSpNjhVgTy4orcw8xSnAwK4nw5ugn xgrxpiRWVqUW5ccXleakFh9ilOZgURLnrWZ4EC0kkJ5YkpqdmlqQWgSTZeLgBKaDAJ5Z4i/O PC9hM/u/955rMPtGK317i43Ss6yVnsp/5BTo6i/mWJOZNdm7JdlGoEhpW1OIfR4bZ9eBAOF/ HT/1NDYaVq2abKckMM1Fgp9tVrGp8e18V8+X2nfWKiV+X6DLqhTMOFN1h+6Gy5MYLn/afjVn XqREykv113b7Hm3oiJfeav9JiE+JpTgj0VCLuag4EQB68HSDAgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrALMWRmVeSWpSXmKPExsVy+t/xe7pKW5NjDWbdNLLYOGM9q8X1L89Z Lc6f38BusenxNVaLGef3MVmsPXKX3YHNY9OqTjaPzUvqPfq2rGL0+LxJLoAlSs+mKL+0JFUh I7+4xFYp2tDCSM/Q0kLPyMRSz9DYPNbKyFRJ384mJTUnsyy1SN8uQS/j9J36gk1sFbf+SDUw bmTtYuTkkBAwkTj8axZbFyMXh5DAUkaJN98Ws0EkZCROTmuAKhKW+HOtC6roE6PE3eO3wIrY BAwlut52gdkiAr4Sj9+sZAEpYhbYwSixZcdbsG5hAT+JZ/ffghWxCKhKTFrRARbnFbCReN77 BmqbvMTqDQeYuxg5ODgFbCUerDAECQsBlfx5NI91AiPfAkaGVYwiqaXFuem5xUZ6xYm5xaV5 6XrJ+bmbGIGhue3Yzy07GLveBR9iFOBgVOLhTShNjhViTSwrrsw9xCjBwawkwpujnxgrxJuS WFmVWpQfX1Sak1p8iNEU6KaJzFKiyfnAuMkriTc0NTS3sDQ0NzY3NrNQEuftEDgYIySQnliS mp2aWpBaBNPHxMEJDEQb/sWslhseaW95Ujapn+Hi12V+XFffXdCTOZJ0bebley6xdfU7bLYH Liz7fUJwpbmI+Kk1C44/Mj0mPM2C40if3CzFTyse3Vu68Numpv377rP8EFmcuPb/kx0SFtaW Ftdl3myRlfRRee/ueOXIbR7O/58YnGbfvGdt1xSRtWtbTE3MiYrsaws/KrEUZyQaajEXFScC AAnK575jAgAA X-CMS-MailID: 20190826103203eucas1p2d67b0ef44758eb06252b340f7751701a X-Msg-Generator: CA X-RootMTR: 20190826103203eucas1p2d67b0ef44758eb06252b340f7751701a X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190826103203eucas1p2d67b0ef44758eb06252b340f7751701a References: <20190826103142.3477-1-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org ARM architected timer can be used together with Exynos MultiCore Timer driver, so enable support for it. Support for ARM architected timers is essential for enabling proper KVM support. Signed-off-by: Marek Szyprowski --- arch/arm/mach-exynos/Kconfig | 1 + 1 file changed, 1 insertion(+) -- 2.17.1 diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index d7422233a130..833ab92516fa 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -18,6 +18,7 @@ menuconfig ARCH_EXYNOS select EXYNOS_SROM select EXYNOS_PM_DOMAINS if PM_GENERIC_DOMAINS select GPIOLIB + select HAVE_ARM_ARCH_TIMER if VIRTUALIZATION select HAVE_ARM_SCU if SMP select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG