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charset=us-ascii Content-Disposition: inline In-Reply-To: X-Zoho-Virus-Status: 1 X-Zoho-AV-Stamp: zmail-av-0.2.13.1.5.4/292.376.41 X-ZohoMailClient: External X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org 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? Best regards, Yao Zi