linux-kernel - Re: [PATCH v2 1/2] arm64: dts: uDPU: update partition table

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Message-ID: <Yjm+/I9ItqFMuEsK@lunn.ch>
Date:   Tue, 22 Mar 2022 13:20:12 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Robert Marko <robert.marko@...tura.hr>
Cc:     gregory.clement@...tlin.com, sebastian.hesselbarth@...il.com,
        robh+dt@...nel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        pali@...nel.org, marek.behun@....cz
Subject: Re: [PATCH v2 1/2] arm64: dts: uDPU: update partition table

On Tue, Mar 22, 2022 at 11:58:56AM +0100, Robert Marko wrote:
> Partition currently called "uboot" does not only contain U-boot, but
> rather it contains TF-A, U-boot and U-boot environment.
> 
> So, to avoid accidentally deleting the U-boot environment which is
> located at 0x180000 split the partition.
> 
> "uboot" is not the correct name as you can't boot these boards with U-boot
> only, TF-A must be present as well, so rename the "uboot" partition to
> "firmware".
> 
> While we are here, describe the NOR node as "spi-flash@0" instead of
> "m25p80@0" which is the old SPI-NOR driver name.
> 
> This won't break booting for existing devices as the SoC-s BootROM is not
> partition aware at all, it will simply try booting from 0x0 of the
> boot device that is set by bootstrap pins.
> 
> This will however prevent accidental or automated flashing of just U-boot
> to the partition.
> 
> Signed-off-by: Robert Marko <robert.marko@...tura.hr>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew