From: Yao Zi <me@ziyao.cc>
To: Hiago De Franco <hfranco@baylibre.com>,
Leo Yu-Chi Liang <leo.liang@sifive.com>,
u-boot@lists.u-boot-project.org, Yao Zi <me@ziyao.cc>
Cc: Tom Rini <trini@konsulko.com>, Tim Ouyang <tim609@andestech.com>,
Zhuxu Ran <zhuxu_ran@zohomail.com>,
Kongyang Liu <seashell11234455@gmail.com>
Subject: Re: [PATCH 0/2] riscv: cv1800b: Milk-V Duo boot fixes
Date: Wed, 7 Oct 2026 21:48:59 +0000 [thread overview]
Message-ID: <asa-S7LCji4uX4af@pie> (raw)
In-Reply-To: <20260930-256m-fixes-v1-0-69546876ff28@baylibre.com>
On Wed, Sep 30, 2026 at 09:17:48AM -0300, Hiago De Franco wrote:
> This series fixes two problems on the Sophgo CV1800B/SG2002 Milk-V Duo
> boards.
>
> Patch 1 fixes the fdtfile environment variable of the Milk-V Duo 256M.
> CONFIG_DEFAULT_DEVICE_TREE is a quoted string, so the quotes ended up
> in the environment.
>
> Patch 2 keeps U-Boot out of the memory reserved for the coprocessor
> firmware. The upstream devicetrees reserve the end of DRAM as a no-map
> region, but U-Boot relocates to ram_top, which is the end of DRAM, so
> it lands inside that region.
I think the issue solved by PATCH 2 is introduced during switching to
upstream devicetree? Could you please cooperate with Zhuxu so nothing
is broken at the first place? Thanks.
Regards,
Yao Zi
> This was tested on both Milk-V Duo 64M and 256M (CV1800B and SG2002).
>
> Signed-off-by: Hiago De Franco <hfranco@baylibre.com>
> ---
> Hiago De Franco (2):
> board: sophgo: milkv_duo_256m: fix fdtfile quoting
> riscv: cpu: cv1800b: keep U-Boot out of reserved memory
next prev parent reply other threads:[~2026-10-07 22:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 12:17 [PATCH 0/2] riscv: cv1800b: Milk-V Duo boot fixes Hiago De Franco
2026-09-30 12:17 ` [PATCH 1/2] board: sophgo: milkv_duo_256m: fix fdtfile quoting Hiago De Franco
2026-09-30 12:17 ` [PATCH 2/2] riscv: cpu: cv1800b: keep U-Boot out of reserved memory Hiago De Franco
2026-10-07 21:46 ` Yao Zi
2026-10-07 21:48 ` Yao Zi [this message]
2026-10-09 14:31 ` [PATCH 0/2] riscv: cv1800b: Milk-V Duo boot fixes Hiago De Franco
2026-10-11 7:23 ` Zhuxu Ran
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