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X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Oct 2022 07:15:06.7407 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e76446eb-3b66-4987-0d1b-08daa5d82a59 X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=38ae3bcd-9579-4fd4-adda-b42e1495d55a;Ip=[194.138.21.74];Helo=[hybrid.siemens.com] X-MS-Exchange-CrossTenant-AuthSource: HE1EUR01FT052.eop-EUR01.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS4PR10MB6304 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 04 Oct 2022 07:15:16 -0000 X-Groupsio-URL: https://lists.cip-project.org/g/cip-dev/message/9619 On 03.10.22 22:12, Chris Paterson wrote: > Hello Jan, > >> From: Jan Kiszka >> Sent: 03 October 2022 19:36 >> >> Hi Chris, >> >> after getting qemu-riscv64 ready (patches will come tomorrow), I also > > Huzzah > >> had a quick look at the RZ/Five eval board you shared with us. But that >> raised a couple of questions, maybe you can help: > > I can try :) > >> >> - Why is the default U-Boot hard-wired to a very special boot mode? I'm >> missing standard distro boot - which would include UEFI as well. > > Good question. > @Prabhakar Mahadev Lad or @Hung Tran, could you help answer this? > >> >> - Where is the U-Boot tree (upstream support is apparently missing)? >> I'm still trying to understand the instructions how to replace it in >> QSPI, but first I need a fixable source tree. > > The Yocto BSP is here: https://github.com/renesas-rz/meta-rzg2/tree/dunfell/rzfive > The U-Boot recipe points to https://github.com/renesas-rz/renesas-u-boot-cip/tree/v2021.12/rzf-smarc > > You're obviously welcome to fork/fixup as you like. > How is the upstreaming status here? For UEFI, a U-Boot from this year is needed. >> >> - Where is the kernel tree (also no upstream support yet)? > > Kernel tree used by the current BSP is here: https://github.com/renesas-rz/rz_linux-cip/tree/rzfive-5.10-cip1 > > Upstreaming is still in progress. > We're having some fun sharing things between arm64 and riscv, but we're getting there. > I'm hoping we'll have something bootable in v6.2. > I see - over 700 patches for 5.10-cip... >> >> - Can I reconfigure the carrier board to automatically power-on after a >> power cycle? Without that, it would be impossible to add the board to >> a remote lab. > > Yea it's a bit of a pain. > Two changes are actually needed to get these smarc platforms into a remote lab. > 1) Change the power wiring so that everything powers on as soon as the AC connector is powered > 2) Power the USB serial connection from the USB so it's always on > > Let me know if you want the instructions for making these mods to the board. > Note that we'll provide pre-modified boards for the CIP labs when the time comes. Ah, ok. Thanks! Jan -- Siemens AG, Technology Competence Center Embedded Linux