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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)

  parent reply	other threads:[~2016-03-01 22:46 UTC|newest]

Thread overview: 32+ 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 ` [PATCH 1/8] ARM64: Enable Amlogic Meson GXBaby platform Andreas Färber
2016-03-01 14:43   ` Sudeep Holla
2016-03-01 15:26     ` Andreas Färber
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 ` [PATCH 3/8] ARM64: dts: Prepare configs for Amlogic " Andreas Färber
2016-03-01 14:43   ` Sudeep Holla
2016-03-01 15:18     ` Andreas Färber
2016-03-01 16:19       ` Sudeep Holla
2016-02-29 23:44 ` [PATCH 4/8] Documentation: devicetree: Document Tronsmart vendor prefix Andreas Färber
2016-03-01 11:37   ` Matthias Brugger
2016-03-01 11:53     ` Andreas Färber
2016-03-01 13:29       ` Matthias Brugger
2016-03-01 19:23       ` Beniamino Galvani
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 ` [PATCH 6/8] ARM64: dts: amlogic: Add Tronsmart Vega S95 configs 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
2016-03-01 11:01   ` Andre Przywara
2016-03-01 11:18     ` Andreas Färber
2016-03-01 11:42       ` Matthias Brugger
2016-03-01 12:43       ` Andre Przywara
2016-03-01 12:53         ` Carlo Caione
2016-03-01 14:16           ` Andre Przywara
2016-03-01 22:46         ` Andreas Färber [this message]
2016-03-01 22:58           ` André Przywara
2016-03-01 23:31         ` Andreas Färber
2016-03-02  0:03           ` André Przywara
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

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