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From: "Andreas Färber" <afaerber@suse.de>
To: James Tai <james.tai@realtek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Rob Herring <robh+dt@kernel.org>,
	"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-realtek-soc@lists.infradead.org"
	<linux-realtek-soc@lists.infradead.org>
Subject: Re: [PATCH] arm64: dts: realtek: Add Realtek rtd1619 and mjolnir
Date: Mon, 11 Nov 2019 04:09:26 +0100
Message-ID: <63d61bcb-fba0-5890-e46b-306c6cd2aa1c@suse.de> (raw)
In-Reply-To: <7a05ac2c-00bc-b2ac-0a33-be0242d33188@suse.de>

Am 08.11.19 um 18:17 schrieb Andreas Färber:
> Hi James,
> 
> Am 08.11.19 um 16:36 schrieb James Tai:
>>> And double-check whether you actually need <2> - compare rtd129x.dtsi using
>>> <1> because nothing went beyond 32-bit address space. It was a review
>>> request back then. Can RTD1619 have more than 2 GiB RAM, with a second
>>> RAM region in high mem, requiring two cells for memory nodes?
>>>
>> The RTD1619 can support more than 2 GiB RAM.
> 
> How much? More than 0x98000000? The RTD1395 datasheet says up to 4 GB -
> does that mean it continues in a second region beyond 0xffffffff? Those
> locations should be excluded in the soc node ranges (which you sadly
> appear to have dropped in v2).
> 
> I'll try to post a patch for RTD1295 soon to demonstrate, it's just a
> little time-consuming with the 100+ commits on top of linux-next that
> need to be rebased then... RTD1195 may be quicker.

I've finished both and included patches for both in the RTD1395 series
just posted, along with other follow-up cleanups recently discussed.

Thanks,
Andreas

-- 
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Felix Imendörffer
HRB 36809 (AG Nürnberg)

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      parent reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-05  8:00 James Tai
2019-11-06  8:28 ` Andreas Färber
2019-11-08 15:36   ` James Tai
2019-11-08 17:17     ` Andreas Färber
2019-11-11  2:58       ` James Tai
2019-11-15  1:08         ` Andreas Färber
2019-11-17 15:39           ` James Tai
2019-11-11  3:09       ` Andreas Färber [this message]

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