From: icenowy@aosc.io
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: devicetree@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,
linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
Rob Herring <robh+dt@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] dt-bindings: add binding for A64 DE2 CCU with SRAM section
Date: Mon, 16 Oct 2017 17:41:10 +0800 [thread overview]
Message-ID: <d62ac8b8ff9073b886ceaa9ce54e6903@aosc.io> (raw)
In-Reply-To: <20171016091136.b4rnckh2tfi26shx@flea.lan>
在 2017-10-16 17:11，Maxime Ripard 写道：
> On Sat, Oct 14, 2017 at 08:29:24PM +0800, Icenowy Zheng wrote:
>> A64's Display Engine 2.0 needs a section of SRAM (SRAM C) to be
>> claimed.
>
> Why?
Allwinner didn't document this, but if the SRAM is not claimed, the
DE2 MMIO zone is totally not accessible.
It seems that Allwinner uses the SRAM C in the DE2 internally.
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2017-10-16 9:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-14 12:29 Icenowy Zheng
2017-10-14 12:29 ` [PATCH 2/2] clk: sunxi-ng: add support for Allwinner A64 DE2 CCU Icenowy Zheng
2017-10-16 9:11 ` [PATCH 1/2] dt-bindings: add binding for A64 DE2 CCU with SRAM section Maxime Ripard
2017-10-16 9:41 ` icenowy [this message]
2017-10-16 12:09 ` Maxime Ripard
2017-10-27 14:33 ` icenowy
2017-10-27 15:13 ` Maxime Ripard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d62ac8b8ff9073b886ceaa9ce54e6903@aosc.io \
--to=icenowy@aosc.io \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-sunxi@googlegroups.com \
--cc=maxime.ripard@free-electrons.com \
--cc=robh+dt@kernel.org \
--cc=wens@csie.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®