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Tue, 20 Oct 2026 09:58:33 -0700 (PDT) Received: from hiagonb ([2804:14c:4c5:8bf0::33ca]) by smtp.gmail.com with ESMTPSA id ada2fe7eead31-7cc772ca218sm3309836137.11.2026.10.20.09.58.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Oct 2026 09:58:32 -0700 (PDT) Date: Tue, 20 Oct 2026 13:58:26 -0300 From: Hiago De Franco To: Yao Zi Cc: u-boot@lists.u-boot-project.org, Kongyang Liu , Tom Rini , Zhuxu Ran , Tim Ouyang , Leo Liang Subject: Re: [PATCH v2 0/3] board: sophgo: milkv_duo: enable standard boot Message-ID: References: <20261009-milkv-duo-bootstd-v2-0-c4679e726d10@baylibre.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Archive: List-Post: List-Help: List-Subscribe: , X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Mon, Oct 19, 2026 at 08:08:00AM +0000, Yao Zi wrote: > On Sat, Oct 17, 2026 at 05:17:11PM -0300, Hiago De Franco wrote: > > Hi Yao Zi, > > > > On Fri, Oct 09, 2026 at 11:58:21AM -0300, Hiago De Franco wrote: > > > The Milk-V Duo (CV1800B, 64MB) does not enable CONFIG_BOOTSTD_DEFAULTS > > > and has no environment file, so U-Boot has no bootcmd and none of the > > > kernel_addr_r, fdt_addr_r, ramdisk_addr_r, ... variables required by > > > the extlinux bootmeth. > > > > > > Enable CONFIG_BOOTSTD_DEFAULTS and add a milkv_duo.env with a memory > > > layout that fits into the 64MB of DRAM: > > > > > > 0x80200000 kernel_addr_r (16MB) > > > 0x81200000 kernel_comp_addr_r (16MB, Image.gz decompression) > > > 0x82200000 fdt_addr_r > > > 0x82300000 scriptaddr > > > 0x82400000 pxefile_addr_r > > > 0x82500000 ramdisk_addr_r > > > > > > Also reduce CONFIG_STACK_SIZE to 1MB. LMB reserves CONFIG_STACK_SIZE > > > below the relocated stack pointer, and the default 16MB left only about > > > 1.4MB between ramdisk_addr_r and the reserved region. With 1MB, about > > > 16MB are available for an initrd. > > > > > > This series depends on Zhuxu Ran's "riscv: sophgo: Use upstream > > > devicetrees for CV18xx boards" (v5), which sets CONFIG_DEFAULT_DEVICE_TREE > > > to sophgo/, so that fdtfile matches the Linux devicetree install > > > path (sophgo/cv1800b-milkv-duo.dtb and sophgo/sg2002-milkv-duo256m.dtb). > > > > > > Link: https://lore.kernel.org/all/20260927-milkv-duo-upstream-dts-v5-0-7f64983e59e1@zohomail.com/ > > > > > > Tested on Milk-V Duo, booting Linux through "bootflow scan" and an > > > extlinux.conf on the SD card. > > > > > > Signed-off-by: Hiago De Franco > > > > just a ping about this patch, I do not know if it was picked > > yet or If I should wait and rebase on v2027.01-rc1. Can you help please? > > I'm only reviewer of the RISC-V architecture, and don't help with picking > patches etc :) > > And I think the series (Zhuxu's one) on which it depends hasn't been merged > yet? That is correct. So I will wait for the other patch to be picked up first. Thanks again and sorry to bother you :) > > Best regards, > Yao Zi Best regards, -- Hiago