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From: afaerber@suse.de (Andreas Färber)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/8] ARM64: dts: Prepare configs for Amlogic Meson GXBaby
Date: Tue, 1 Mar 2016 16:18:45 +0100	[thread overview]
Message-ID: <56D5B2D5.9010405@suse.de> (raw)
In-Reply-To: <56D5AA87.7020401@arm.com>

Am 01.03.2016 um 15:43 schrieb Sudeep Holla:
> On 29/02/16 23:44, Andreas F?rber wrote:
>> +    psci {
>> +        compatible = "arm,psci";
> 
> Any particular reason why PSCI v0.2 or above is not supported on this
> platform. PSCI v0.1 is very old now and I assume this platform is
> relatively new.

I am not affiliated with Amlogic or Tronsmart, so I cannot answer why.

>> +        method = "smc";
>> +        cpu_suspend = <0xc4000001>;
>> +        cpu_off = <0x84000002>;
>> +        cpu_on = <0xc4000003>;
>> +        migrate = <0xc4000005>;
> 
> Atleast the functions ids look like v0.2 or above. So check if it's
> actually v0.2 or above

If you let me know how! Just change the compatible string to -0.2 and
wait for some big boom or watch out for any misbehavior in particular?
Are there any memory locations to check the version or something visible
in U-Boot source code indicating it?

Regards,
Andreas

-- 
SUSE Linux GmbH, Maxfeldstr. 5, 90409 N?rnberg, Germany
GF: Felix Imend?rffer, Jane Smithard, Graham Norton; HRB 21284 (AG N?rnberg)

WARNING: multiple messages have this Message-ID (diff)
From: "Andreas Färber" <afaerber-l3A5Bk7waGM@public.gmane.org>
To: Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>,
	linux-meson-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Cc: Carlo Caione <carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Matthias Brugger <mbrugger-IBi9RG/b67k@public.gmane.org>,
	Nicolas Saenz
	<nicolassaenzj-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Ian Campbell
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 3/8] ARM64: dts: Prepare configs for Amlogic Meson GXBaby
Date: Tue, 1 Mar 2016 16:18:45 +0100	[thread overview]
Message-ID: <56D5B2D5.9010405@suse.de> (raw)
In-Reply-To: <56D5AA87.7020401-5wv7dgnIgG8@public.gmane.org>

Am 01.03.2016 um 15:43 schrieb Sudeep Holla:
> On 29/02/16 23:44, Andreas Färber wrote:
>> +    psci {
>> +        compatible = "arm,psci";
> 
> Any particular reason why PSCI v0.2 or above is not supported on this
> platform. PSCI v0.1 is very old now and I assume this platform is
> relatively new.

I am not affiliated with Amlogic or Tronsmart, so I cannot answer why.

>> +        method = "smc";
>> +        cpu_suspend = <0xc4000001>;
>> +        cpu_off = <0x84000002>;
>> +        cpu_on = <0xc4000003>;
>> +        migrate = <0xc4000005>;
> 
> Atleast the functions ids look like v0.2 or above. So check if it's
> actually v0.2 or above

If you let me know how! Just change the compatible string to -0.2 and
wait for some big boom or watch out for any misbehavior in particular?
Are there any memory locations to check the version or something visible
in U-Boot source code indicating it?

Regards,
Andreas

-- 
SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg)
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WARNING: multiple messages have this Message-ID (diff)
From: "Andreas Färber" <afaerber@suse.de>
To: Sudeep Holla <sudeep.holla@arm.com>, linux-meson@googlegroups.com
Cc: Carlo Caione <carlo@caione.org>,
	linux-arm-kernel@lists.infradead.org,
	Matthias Brugger <mbrugger@suse.com>,
	Nicolas Saenz <nicolassaenzj@gmail.com>,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	devicetree <devicetree@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/8] ARM64: dts: Prepare configs for Amlogic Meson GXBaby
Date: Tue, 1 Mar 2016 16:18:45 +0100	[thread overview]
Message-ID: <56D5B2D5.9010405@suse.de> (raw)
In-Reply-To: <56D5AA87.7020401@arm.com>

Am 01.03.2016 um 15:43 schrieb Sudeep Holla:
> On 29/02/16 23:44, Andreas Färber wrote:
>> +    psci {
>> +        compatible = "arm,psci";
> 
> Any particular reason why PSCI v0.2 or above is not supported on this
> platform. PSCI v0.1 is very old now and I assume this platform is
> relatively new.

I am not affiliated with Amlogic or Tronsmart, so I cannot answer why.

>> +        method = "smc";
>> +        cpu_suspend = <0xc4000001>;
>> +        cpu_off = <0x84000002>;
>> +        cpu_on = <0xc4000003>;
>> +        migrate = <0xc4000005>;
> 
> Atleast the functions ids look like v0.2 or above. So check if it's
> actually v0.2 or above

If you let me know how! Just change the compatible string to -0.2 and
wait for some big boom or watch out for any misbehavior in particular?
Are there any memory locations to check the version or something visible
in U-Boot source code indicating it?

Regards,
Andreas

-- 
SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg)

  reply	other threads:[~2016-03-01 15:18 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-29 23:44 [PATCH 0/8] ARM64: meson: GXBaby (S905) and Vega S95 enablement Andreas Färber
2016-02-29 23:44 ` Andreas Färber
2016-02-29 23:44 ` [PATCH 1/8] ARM64: Enable Amlogic Meson GXBaby platform Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-03-01 14:43   ` Sudeep Holla
2016-03-01 14:43     ` Sudeep Holla
2016-03-01 15:26     ` Andreas Färber
2016-03-01 15:26       ` Andreas Färber
2016-03-01 16:07       ` Sudeep Holla
2016-03-01 16:07         ` Sudeep Holla
2016-02-29 23:44 ` [PATCH 2/8] Documentation: devicetree: amlogic: Document Meson GXBaby Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44 ` [PATCH 3/8] ARM64: dts: Prepare configs for Amlogic " Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-03-01 14:43   ` Sudeep Holla
2016-03-01 14:43     ` Sudeep Holla
2016-03-01 14:43     ` Sudeep Holla
2016-03-01 15:18     ` Andreas Färber [this message]
2016-03-01 15:18       ` Andreas Färber
2016-03-01 15:18       ` Andreas Färber
2016-03-01 16:19       ` Sudeep Holla
2016-03-01 16:19         ` Sudeep Holla
2016-03-01 16:19         ` Sudeep Holla
2016-02-29 23:44 ` [PATCH 4/8] Documentation: devicetree: Document Tronsmart vendor prefix Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-03-01 11:37   ` Matthias Brugger
2016-03-01 11:37     ` Matthias Brugger
2016-03-01 11:37     ` Matthias Brugger
2016-03-01 11:53     ` Andreas Färber
2016-03-01 11:53       ` Andreas Färber
2016-03-01 11:53       ` Andreas Färber
2016-03-01 13:29       ` Matthias Brugger
2016-03-01 13:29         ` Matthias Brugger
2016-03-01 13:29         ` Matthias Brugger
2016-03-01 19:23       ` Beniamino Galvani
2016-03-01 19:23         ` Beniamino Galvani
2016-03-01 19:23         ` Beniamino Galvani
2016-03-03 23:57   ` Rob Herring
2016-03-03 23:57     ` Rob Herring
2016-02-29 23:44 ` [PATCH 5/8] Documentation: devicetree: amlogic: Document Tronsmart Vega S95 boards Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44 ` [PATCH 6/8] ARM64: dts: amlogic: Add Tronsmart Vega S95 configs Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:55   ` Andreas Färber
2016-02-29 23:55     ` Andreas Färber
2016-02-29 23:55     ` Andreas Färber
2016-02-29 23:44 ` [PATCH 7/8] ARM64: dts: amlogic: Extend GXBaby GIC node Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-03-01 11:01   ` Andre Przywara
2016-03-01 11:01     ` Andre Przywara
2016-03-01 11:01     ` Andre Przywara
2016-03-01 11:18     ` Andreas Färber
2016-03-01 11:18       ` Andreas Färber
2016-03-01 11:18       ` Andreas Färber
2016-03-01 11:42       ` Matthias Brugger
2016-03-01 11:42         ` Matthias Brugger
2016-03-01 11:42         ` Matthias Brugger
2016-03-01 12:43       ` Andre Przywara
2016-03-01 12:43         ` Andre Przywara
2016-03-01 12:43         ` Andre Przywara
2016-03-01 12:53         ` Carlo Caione
2016-03-01 12:53           ` Carlo Caione
2016-03-01 12:53           ` Carlo Caione
2016-03-01 14:16           ` Andre Przywara
2016-03-01 14:16             ` Andre Przywara
2016-03-01 14:16             ` Andre Przywara
2016-03-01 22:46         ` Andreas Färber
2016-03-01 22:46           ` Andreas Färber
2016-03-01 22:58           ` André Przywara
2016-03-01 22:58             ` André Przywara
2016-03-01 22:58             ` André Przywara
2016-03-01 23:31         ` Andreas Färber
2016-03-01 23:31           ` Andreas Färber
2016-03-01 23:31           ` Andreas Färber
2016-03-02  0:03           ` André Przywara
2016-03-02  0:03             ` André Przywara
2016-03-02  0:07             ` Andreas Färber
2016-03-02  0:07               ` Andreas Färber
2016-02-29 23:44 ` [PATCH 8/8] ARM64: dts: amlogic: Add arch timer node for Meson GXBaby Andreas Färber
2016-02-29 23:44   ` Andreas Färber
2016-02-29 23:44   ` Andreas Färber

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