From: Sarah Emery <sarah.emery@canonical.com>
To: Troy Mitchell <troy.mitchell@linux.spacemit.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>
Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/5] riscv: dts: spacemit: k3-com260: Add SPI NOR flash
Date: Fri, 6 Nov 2026 17:25:48 +0100 [thread overview]
Message-ID: <79211469-cf77-414c-9a10-2b684833ad64@canonical.com> (raw)
In-Reply-To: <20261105-k3-com260-module-sd-nor-mac-v1-3-138b39d74602@linux.spacemit.com>
Hi Troy,
> + uboot@210000 {
> + reg = <0x210000 0x5f0000>;
> + };
This partition ends at 0x800000. On the CoM260 with EDK2, 0x700000 to
0x7c0000 holds the variable store (NVRAM and FTW), so reflashing this
partition from Linux would erase it.
I think we could split it like this:
uboot@210000 {
reg = <0x210000 0x4f0000>;
};
var@700000 {
reg = <0x700000 0xc0000>;
read-only;
};
What do you think?
The Pico-ITX node also uses 0x5f0000, but I think it should be modified
to split out the var part too if it makes sense here.
The Pico-ITX flash node also has vcc-supply = <&aldo2>.
Shouldn't this be present here as well?
The rest of the patch LGTM and matches what we have already tested in
the Ubuntu kernel.
Thanks,
Sarah
next prev parent reply other threads:[~2026-11-06 16:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-05 8:23 [PATCH 0/5] riscv: dts: spacemit: k3-com260: Describe SD card, SPI NOR and MAC Troy Mitchell
2026-11-05 8:23 ` [PATCH 1/5] riscv: dts: spacemit: k3-com260-ifx: Drop wrong SD card vmmc-supply Troy Mitchell
2026-11-05 8:23 ` [PATCH 2/5] riscv: dts: spacemit: k3-com260: Move SD card to the module Troy Mitchell
2026-11-05 8:23 ` [PATCH 3/5] riscv: dts: spacemit: k3-com260: Add SPI NOR flash Troy Mitchell
2026-11-06 16:25 ` Sarah Emery [this message]
2026-11-05 8:23 ` [PATCH 4/5] riscv: defconfig: Enable AT24 EEPROM and ONIE TLV layout Troy Mitchell
2026-11-05 10:42 ` E Shattow
2026-11-05 14:20 ` Troy Mitchell
2026-11-05 8:23 ` [PATCH 5/5] riscv: dts: spacemit: k3-com260: Set Ethernet MAC from EEPROM Troy Mitchell
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