From: afaerber@suse.de (Andreas Färber)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 7/8] ARM64: dts: amlogic: Extend GXBaby GIC node
Date: Tue, 1 Mar 2016 23:46:59 +0100 [thread overview]
Message-ID: <56D61BE3.90505@suse.de> (raw)
In-Reply-To: <56D58E88.2080700@arm.com>
Am 01.03.2016 um 13:43 schrieb Andre Przywara:
> On 01/03/16 11:18, Andreas F?rber wrote:
>> Am 01.03.2016 um 12:01 schrieb Andre Przywara:
>>> On 29/02/16 23:44, Andreas F?rber wrote:
>>>> reg = <0x0 0xc4301000 0 0x1000>,
>>>> - <0x0 0xc4302000 0 0x0100>;
>>>> + <0x0 0xc4302000 0 0x0100>,
>>>
>>> Please use 0x2000 for the size here. I guess this is really the GIC-400
>>> from ARM, and in this case this is the right size, [1] is the reference
>>> here. This will enable EOI mode 1 for KVM.
>>
>> Will test later.
>>
>> Is there any easy way to find out whether or not this is that GIC-400?
>
> If you can read registers: GICD_IIDR and PIDRx have some info:
> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0471b/CHDIFAEE.html
> So if your U-Boot for instance supports md, a dump of:
> md.l c4301008 1
> md.l c4301fd0 30
>
> would help to identify the GIC.
gxb_p200_v1#md.l c4301008 1
c4301008: 0200143b ;...
gxb_p200_v1#md.l c4301fd0 30
c4301fd0: 00000004 00000000 00000000 00000000 ................
c4301fe0: 00000090 000000b4 0000002b 00000000 ........+.......
c4301ff0: 0000000d 000000f0 00000005 000000b1 ................
c4302000: 00000060 000000f0 00000003 000003ff `...............
c4302010: 00000000 000000ff 000003ff 00000000 ................
c4302020: 00000000 00000000 00000000 00000000 ................
c4302030: 00000000 00000000 00000000 00000000 ................
c4302040: 00000000 00000000 00000000 00000000 ................
c4302050: 00000000 00000000 00000000 00000000 ................
c4302060: 00000000 00000000 00000000 00000000 ................
c4302070: 00000000 00000000 00000000 00000000 ................
c4302080: 00000000 00000000 00000000 00000000 ................
Cheers,
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@suse.de>
To: Andre Przywara <andre.przywara@arm.com>, linux-meson@googlegroups.com
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree <devicetree@vger.kernel.org>,
Matthias Brugger <mbrugger@suse.com>,
Pawel Moll <pawel.moll@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Nicolas Saenz <nicolassaenzj@gmail.com>,
Will Deacon <will.deacon@arm.com>,
LKML <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Kumar Gala <galak@codeaurora.org>,
Carlo Caione <carlo@caione.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 7/8] ARM64: dts: amlogic: Extend GXBaby GIC node
Date: Tue, 1 Mar 2016 23:46:59 +0100 [thread overview]
Message-ID: <56D61BE3.90505@suse.de> (raw)
In-Reply-To: <56D58E88.2080700@arm.com>
Am 01.03.2016 um 13:43 schrieb Andre Przywara:
> On 01/03/16 11:18, Andreas Färber wrote:
>> Am 01.03.2016 um 12:01 schrieb Andre Przywara:
>>> On 29/02/16 23:44, Andreas Färber wrote:
>>>> reg = <0x0 0xc4301000 0 0x1000>,
>>>> - <0x0 0xc4302000 0 0x0100>;
>>>> + <0x0 0xc4302000 0 0x0100>,
>>>
>>> Please use 0x2000 for the size here. I guess this is really the GIC-400
>>> from ARM, and in this case this is the right size, [1] is the reference
>>> here. This will enable EOI mode 1 for KVM.
>>
>> Will test later.
>>
>> Is there any easy way to find out whether or not this is that GIC-400?
>
> If you can read registers: GICD_IIDR and PIDRx have some info:
> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0471b/CHDIFAEE.html
> So if your U-Boot for instance supports md, a dump of:
> md.l c4301008 1
> md.l c4301fd0 30
>
> would help to identify the GIC.
gxb_p200_v1#md.l c4301008 1
c4301008: 0200143b ;...
gxb_p200_v1#md.l c4301fd0 30
c4301fd0: 00000004 00000000 00000000 00000000 ................
c4301fe0: 00000090 000000b4 0000002b 00000000 ........+.......
c4301ff0: 0000000d 000000f0 00000005 000000b1 ................
c4302000: 00000060 000000f0 00000003 000003ff `...............
c4302010: 00000000 000000ff 000003ff 00000000 ................
c4302020: 00000000 00000000 00000000 00000000 ................
c4302030: 00000000 00000000 00000000 00000000 ................
c4302040: 00000000 00000000 00000000 00000000 ................
c4302050: 00000000 00000000 00000000 00000000 ................
c4302060: 00000000 00000000 00000000 00000000 ................
c4302070: 00000000 00000000 00000000 00000000 ................
c4302080: 00000000 00000000 00000000 00000000 ................
Cheers,
Andreas
--
SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg)
next prev parent reply other threads:[~2016-03-01 22:46 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
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 [this message]
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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