linux-kernel - Re: [PATCH] arm64: dts: mt7986: increase bl2 partition on NAND of Bananapi R3

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Message-ID: <786ae93b-b89f-0587-b084-2f93554df479@gmail.com>
Date:   Mon, 12 Jun 2023 05:23:09 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Daniel Golle <daniel@...rotopia.org>, devicetree@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Frank Wunderlich <frank-w@...lic-files.de>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Weijie Gao <weijie.gao@...iatek.com>
Subject: Re: [PATCH] arm64: dts: mt7986: increase bl2 partition on NAND of
 Bananapi R3



On 06/06/2023 17:43, Daniel Golle wrote:
> The bootrom burned into the MT7986 SoC will try multiple locations on
> the SPI-NAND flash to load bl2 in case the bl2 image located at the the
> previously attempted offset is corrupt.
> 
> Use 0x100000 instead of 0x80000 as partition size for bl2 on SPI-NAND,
> allowing for up to four redundant copies of bl2 (typically sized a
> bit less than 0x40000).
> 
> Fixes: 8e01fb15b8157 ("arm64: dts: mt7986: add Bananapi R3")
> Signed-off-by: Daniel Golle <daniel@...rotopia.org>

Applied, thanks!

> ---
>   .../boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dtso     | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dtso b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dtso
> index 15ee8c568f3c3..543c13385d6e3 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dtso
> +++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dtso
> @@ -29,13 +29,13 @@ partitions {
>   
>   					partition@0 {
>   						label = "bl2";
> -						reg = <0x0 0x80000>;
> +						reg = <0x0 0x100000>;
>   						read-only;
>   					};
>   
> -					partition@...00 {
> +					partition@...000 {
>   						label = "reserved";
> -						reg = <0x80000 0x300000>;
> +						reg = <0x100000 0x280000>;
>   					};
>   
>   					partition@...000 {