From: linux@armlinux.org.uk (Russell King - ARM Linux)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH v7 2/6] ARM: smp_scu: add a helper for powering on a specific CPU
Date: Mon, 23 Oct 2017 10:51:12 +0100 [thread overview]
Message-ID: <20171023095111.GP20805@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20170917164523.6970-3-martin.blumenstingl@googlemail.com>
On Sun, Sep 17, 2017 at 06:45:19PM +0200, Martin Blumenstingl wrote:
> To boot the secondary CPUs on the Amlogic Meson8/Meson8m2 (Cortex-A9)
> and Meson8b (Cortex-A5) SoCs we have to enable SCU mode SCU_PM_NORMAL,
> otherwise the secondary cores will not start.
> This patch adds a scu_cpu_power_enable() function which can be used to
> enable SCU_PM_NORMAL for a specific (logical) CPU. An internal helper
> function is also created, to avoid code duplication with
> scu_power_mode().
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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WARNING: multiple messages have this Message-ID (diff)
From: linux@armlinux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 2/6] ARM: smp_scu: add a helper for powering on a specific CPU
Date: Mon, 23 Oct 2017 10:51:12 +0100 [thread overview]
Message-ID: <20171023095111.GP20805@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20170917164523.6970-3-martin.blumenstingl@googlemail.com>
On Sun, Sep 17, 2017 at 06:45:19PM +0200, Martin Blumenstingl wrote:
> To boot the secondary CPUs on the Amlogic Meson8/Meson8m2 (Cortex-A9)
> and Meson8b (Cortex-A5) SoCs we have to enable SCU mode SCU_PM_NORMAL,
> otherwise the secondary cores will not start.
> This patch adds a scu_cpu_power_enable() function which can be used to
> enable SCU_PM_NORMAL for a specific (logical) CPU. An internal helper
> function is also created, to avoid code duplication with
> scu_power_mode().
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up
According to speedtest.net: 8.21Mbps down 510kbps up
WARNING: multiple messages have this Message-ID (diff)
From: Russell King - ARM Linux <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>
To: Martin Blumenstingl
<martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
Cc: linux-amlogic-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
khilman-rdvid1DuHRBWk0Htik3J/w@public.gmane.org,
carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
arnd-r2nGTMty4D4@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH v7 2/6] ARM: smp_scu: add a helper for powering on a specific CPU
Date: Mon, 23 Oct 2017 10:51:12 +0100 [thread overview]
Message-ID: <20171023095111.GP20805@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20170917164523.6970-3-martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
On Sun, Sep 17, 2017 at 06:45:19PM +0200, Martin Blumenstingl wrote:
> To boot the secondary CPUs on the Amlogic Meson8/Meson8m2 (Cortex-A9)
> and Meson8b (Cortex-A5) SoCs we have to enable SCU mode SCU_PM_NORMAL,
> otherwise the secondary cores will not start.
> This patch adds a scu_cpu_power_enable() function which can be used to
> enable SCU_PM_NORMAL for a specific (logical) CPU. An internal helper
> function is also created, to avoid code duplication with
> scu_power_mode().
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
Acked-by: Russell King <rmk+kernel-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up
According to speedtest.net: 8.21Mbps down 510kbps up
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next prev parent reply other threads:[~2017-10-23 9:51 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-17 16:45 [PATCH v7 0/6] SMP and CPU hotplug support for Meson8/Meson8b Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` [PATCH v7 1/6] dt-bindings: Amlogic: Add Meson8 and Meson8b SMP related documentation Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` [PATCH v7 2/6] ARM: smp_scu: add a helper for powering on a specific CPU Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-10-23 9:51 ` Russell King - ARM Linux [this message]
2017-10-23 9:51 ` Russell King - ARM Linux
2017-10-23 9:51 ` Russell King - ARM Linux
2017-09-17 16:45 ` [PATCH v7 3/6] ARM: smp_scu: allow the platform code to read the SCU CPU status Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-10-23 9:54 ` Russell King - ARM Linux
2017-10-23 9:54 ` Russell King - ARM Linux
2017-10-23 9:54 ` Russell King - ARM Linux
2017-09-17 16:45 ` [PATCH v7 4/6] ARM: meson: Add SMP bringup code for Meson8 and Meson8b Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-10-28 21:08 ` Linus Lüssing
2017-10-28 21:08 ` Linus Lüssing
2017-10-28 21:08 ` Linus Lüssing
2017-09-17 16:45 ` [PATCH v7 5/6] ARM: dts: meson8: add support for booting the secondary CPU cores Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` [PATCH v7 6/6] ARM: dts: meson8b: " Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-17 16:45 ` Martin Blumenstingl
2017-09-29 11:29 ` Linus Lüssing
2017-09-29 11:29 ` Linus Lüssing
2017-09-29 11:29 ` Linus Lüssing
2017-10-01 12:19 ` [PATCH v7 0/6] SMP and CPU hotplug support for Meson8/Meson8b Martin Blumenstingl
2017-10-01 12:19 ` Martin Blumenstingl
2017-10-01 12:19 ` Martin Blumenstingl
2017-10-06 21:30 ` Kevin Hilman
2017-10-06 21:30 ` Kevin Hilman
2017-10-06 21:30 ` Kevin Hilman
2017-10-20 22:14 ` Martin Blumenstingl
2017-10-20 22:14 ` Martin Blumenstingl
2017-10-20 22:14 ` Martin Blumenstingl
2017-10-23 9:49 ` Russell King - ARM Linux
2017-10-23 9:49 ` Russell King - ARM Linux
2017-10-23 9:49 ` Russell King - ARM Linux
2017-10-25 21:05 ` Martin Blumenstingl
2017-10-25 21:05 ` Martin Blumenstingl
2017-10-25 21:05 ` Martin Blumenstingl
2017-10-29 15:31 ` Kevin Hilman
2017-10-29 15:31 ` Kevin Hilman
2017-10-29 15:31 ` Kevin Hilman
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