linux-kernel - Re: [RFC] arm64: dts: use size of reserved partition for bl2

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Message-ID: <601a8435-8e2a-2c25-5fe3-40be62269469@collabora.com>
Date:   Mon, 3 Apr 2023 14:43:37 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Frank Wunderlich <linux@...web.de>,
        linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC] arm64: dts: use size of reserved partition for bl2

Il 03/04/23 12:58, Frank Wunderlich ha scritto:
> From: Frank Wunderlich <frank-w@...lic-files.de>
> 
> To store uncompressed bl2 more space is required than partition is
> actually defined.
> 
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>

If this doesn't get changed anymore, I'm fine with it... but a question arises:
did you send patches to add your BPI-r3 board(s) to upstream u-boot?


> ---
> I used the definition i got from mtk used in their SDK uboot.
> 
> Openwrt uses also the first reserved partition to give bl2 more
> space:
> 
> https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-nor.dts;h=f597b869abc80d1a73f44ebb85ad4da17376bb52;hb=HEAD#l22
> 
> so imho it should be same in mainline to not require complex bl2
> compression.

Regards,
Angelo