From: Javier Martinez Canillas <javier@osg.samsung.com> To: Olof Johansson <olof@lixom.net>, Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: Arnd Bergmann <arnd@arndb.de>, Kevin Hilman <khilman@kernel.org>, arm@kernel.org, Marek Szyprowski <m.szyprowski@samsung.com>, Sylwester Nawrocki <s.nawrocki@samsung.com>, Kukjin Kim <kgene@kernel.org>, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, Krzysztof Kozlowski <krzk@kernel.org> Subject: Re: [GIT PULL 8/8] ARM: defconfig: exynos: Defconfig for v4.8 Date: Tue, 14 Jun 2016 14:03:40 -0400 [thread overview] Message-ID: <a1239955-19cb-92f1-30c8-d354bacc34de@osg.samsung.com> (raw) In-Reply-To: <20160613222423.GA29879@localhost> Hello Olof, On 06/13/2016 06:24 PM, Olof Johansson wrote: > On Mon, Jun 06, 2016 at 02:25:33PM +0200, Krzysztof Kozlowski wrote: >> >> The following changes since commit 1a695a905c18548062509178b98bc91e67510864: >> >> Linux 4.7-rc1 (2016-05-29 09:29:24 -0700) >> >> are available in the git repository at: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git tags/samsung-defconfig-4.8 >> >> for you to fetch changes up to 4b388071a2235ed8f05d05d069f5a5a29782a8c5: >> >> ARM: exynos_defconfig: Save defconfig on current linux-next (2016-06-06 08:36:55 +0200) >> >> ---------------------------------------------------------------- >> Samsung defconfig update for v4.8: >> 1. Disable big.LITTLE switcher so the cpufreq-dt could be enabled. >> 2. Enable Samsung media platform drivers. >> 3. Enable some board-specific drivers for boards: Trats2, Universal C210. >> 4. Few more minor additions. > > Hmm. So this made me wonder what's used on the 5420/5800 chromebooks, but it You mean as CPUFreq driver? It's used cpufreq-dt as well but the compatible strings for exynos5420/5800 are not registered when the switcher is enabled. > looks like they don't even boot with SMP, at least not the way I boot them > (with u-boot as a chainloaded kernel). > All 8 cores for the Exynos5420/5800 Chromebooks have been brought up via MCPM for a long time in mainline, look for example at Kevin's Peach Pi boot log [0]. This is also true when chainloading u-boot (that's my setup as well), but I see that only one CPU is powered up on your boot farm indeed [1]. I'm using the latest ChromeOS u-boot and chain loading u-boot version 2016.01. > Branch merged. > > > -Olof > [0]: https://storage.kernelci.org/next/next-20160614/arm-exynos_defconfig/lab-baylibre-seattle/boot-exynos5800-peach-pi.html [1]: http://arm-soc.lixom.net/bootlogs/next/next-20160614/pi-arm-exynos_defconfig.html Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America
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From: javier@osg.samsung.com (Javier Martinez Canillas) To: linux-arm-kernel@lists.infradead.org Subject: [GIT PULL 8/8] ARM: defconfig: exynos: Defconfig for v4.8 Date: Tue, 14 Jun 2016 14:03:40 -0400 [thread overview] Message-ID: <a1239955-19cb-92f1-30c8-d354bacc34de@osg.samsung.com> (raw) In-Reply-To: <20160613222423.GA29879@localhost> Hello Olof, On 06/13/2016 06:24 PM, Olof Johansson wrote: > On Mon, Jun 06, 2016 at 02:25:33PM +0200, Krzysztof Kozlowski wrote: >> >> The following changes since commit 1a695a905c18548062509178b98bc91e67510864: >> >> Linux 4.7-rc1 (2016-05-29 09:29:24 -0700) >> >> are available in the git repository at: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git tags/samsung-defconfig-4.8 >> >> for you to fetch changes up to 4b388071a2235ed8f05d05d069f5a5a29782a8c5: >> >> ARM: exynos_defconfig: Save defconfig on current linux-next (2016-06-06 08:36:55 +0200) >> >> ---------------------------------------------------------------- >> Samsung defconfig update for v4.8: >> 1. Disable big.LITTLE switcher so the cpufreq-dt could be enabled. >> 2. Enable Samsung media platform drivers. >> 3. Enable some board-specific drivers for boards: Trats2, Universal C210. >> 4. Few more minor additions. > > Hmm. So this made me wonder what's used on the 5420/5800 chromebooks, but it You mean as CPUFreq driver? It's used cpufreq-dt as well but the compatible strings for exynos5420/5800 are not registered when the switcher is enabled. > looks like they don't even boot with SMP, at least not the way I boot them > (with u-boot as a chainloaded kernel). > All 8 cores for the Exynos5420/5800 Chromebooks have been brought up via MCPM for a long time in mainline, look for example at Kevin's Peach Pi boot log [0]. This is also true when chainloading u-boot (that's my setup as well), but I see that only one CPU is powered up on your boot farm indeed [1]. I'm using the latest ChromeOS u-boot and chain loading u-boot version 2016.01. > Branch merged. > > > -Olof > [0]: https://storage.kernelci.org/next/next-20160614/arm-exynos_defconfig/lab-baylibre-seattle/boot-exynos5800-peach-pi.html [1]: http://arm-soc.lixom.net/bootlogs/next/next-20160614/pi-arm-exynos_defconfig.html Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America
next prev parent reply other threads:[~2016-06-14 18:03 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-06 12:25 [GIT PULL 0/8] ARM: exynos: Early stuff for v4.8 Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-06 12:25 ` [GIT PULL 1/8] ARM: exynos: Mach/soc changes " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-13 21:24 ` Olof Johansson 2016-06-13 21:24 ` Olof Johansson 2016-06-06 12:25 ` [GIT PULL 2/8] arm64: " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-06 12:25 ` [GIT PULL 3/8] ARM: exynos: Drivers " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-06 12:25 ` [GIT PULL 4/8] ARM: exynos: Topic branch with driver changes " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-13 21:47 ` Olof Johansson 2016-06-13 21:47 ` Olof Johansson 2016-06-16 12:16 ` Krzysztof Kozlowski 2016-06-16 12:16 ` Krzysztof Kozlowski 2016-06-16 13:00 ` Sylwester Nawrocki 2016-06-16 13:00 ` Sylwester Nawrocki 2016-06-20 5:40 ` Olof Johansson 2016-06-20 5:40 ` Olof Johansson 2016-06-06 12:25 ` [GIT PULL 5/8] ARM: dts: exynos: DTS " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-13 21:48 ` Olof Johansson 2016-06-13 21:48 ` Olof Johansson 2016-06-06 12:25 ` [GIT PULL 6/8] arm64: " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-07 6:32 ` Krzysztof Kozlowski 2016-06-07 6:32 ` Krzysztof Kozlowski 2016-06-13 21:48 ` Olof Johansson 2016-06-13 21:48 ` Olof Johansson 2016-06-06 12:25 ` [GIT PULL 7/8] ARM: dts: exynos: Topic branch with Odroid XU " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-13 21:53 ` Olof Johansson 2016-06-13 21:53 ` Olof Johansson 2016-06-14 19:44 ` Krzysztof Kozlowski 2016-06-14 19:44 ` Krzysztof Kozlowski 2016-06-14 19:44 ` Krzysztof Kozlowski 2016-06-06 12:25 ` [GIT PULL 8/8] ARM: defconfig: exynos: Defconfig " Krzysztof Kozlowski 2016-06-06 12:25 ` Krzysztof Kozlowski 2016-06-13 22:24 ` Olof Johansson 2016-06-13 22:24 ` Olof Johansson 2016-06-14 18:03 ` Javier Martinez Canillas [this message] 2016-06-14 18:03 ` Javier Martinez Canillas
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