From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 535D52116E7; Fri, 26 Sep 2025 14:29:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758896950; cv=pass; b=mg/Hdyr0bOQnno6d8rs+LZwyhEhijKb4F1rwaywNRv3uY5Y1DfDebbk7CSWas9oTDuvHtUWXtSMLad3ymE34UGctoNEcvGmSeq7CYww9s+9M53A4M54a5mu5gOqjF9jRH3quUxUPwGDI8UUWn27K/dpmtLYfJ8u2ON3yIVV/Jck= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758896950; c=relaxed/simple; bh=Tmlfs7vmbvrGil0urNAjBMrst5tp49VMQUUOgrwI7kA=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=oamiahVcgagyrYon+9UztVIBjoWtoqusxGQ/l2i2yWQSqo4y99tFhen1geQjR/6REv9qJvK0bzAF9SownNqg5wRDkYDW3v4sggpX6w0CvaHLHZUSa8iMGcNpiOaTOam43tjc0gaqWdOt38cL2hQew912uLHiGOwNVfwga9C8NWQ= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=sjoerd@collabora.com header.b=FuugvlCa; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=sjoerd@collabora.com header.b="FuugvlCa" ARC-Seal: i=1; a=rsa-sha256; t=1758896933; cv=none; d=zohomail.com; s=zohoarc; b=LiL02BSGQZ5ytPMrAU7fzsgyGu004PQCrF+o3pkV49Gn0Naaaagx2MrWv8h17/ieZ++pzWEfHBvf/QnC+C2tT3Lqwdy8XJEmdpTIgk/xQZMvzFmAmuTDyr0ujrlEnijRtUQTEuHzXmHxHlbtwTYEewNRPkXAGCziAJ77cqhCoMg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758896933; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=26YfjhR80XqVvp3T4GXiOY1ZVSaa9CIx9x33j2hmPnU=; b=Arha/5GW8rJzpUz+TOpn+9ORBNoQxtxhJFG8vE5Gqzi3c40hk6jfC6gyiNNq922ZO7waYSY3++nyDIH4eFUp1ICjzqU4xjhQeXgx/VvyonGqoY5DWiWfot+uZ0UtAettFA1wFwjCC2KXKfIJMuqRQm2U6USOWeFUfomqE5kZPCc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=sjoerd@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1758896933; s=zohomail; d=collabora.com; i=sjoerd@collabora.com; h=Message-ID:Subject:Subject:From:From:To:To:Cc:Cc:Date:Date:In-Reply-To:References:Content-Type:Content-Transfer-Encoding:MIME-Version:Message-Id:Reply-To; bh=26YfjhR80XqVvp3T4GXiOY1ZVSaa9CIx9x33j2hmPnU=; b=FuugvlCaYubKjIun3Ml+KCPMgmQsDCkyyh/gcIASO2PnatTX1la4+bNybAn2e/MG Ol4fJBOMpEHcovpSXMfBvJvsmeTLv927ykfl4RNovCHrf/OZrR/I9UlFcgzWpdu651M KNKe2Utdu20BgSVudn6qATfOCn47yxZYm3wY6A9A= Received: by mx.zohomail.com with SMTPS id 1758896931799989.2968902254092; Fri, 26 Sep 2025 07:28:51 -0700 (PDT) Message-ID: <638b9565b90714f56caa9535b7b9b96cd86100d6.camel@collabora.com> Subject: Re: Support for Rock PI-4b From: Sjoerd Simons To: Mostafa Saleh , devicetree@vger.kernel.org, "moderated list:ARM SMMU DRIVERS" , linux-rockchip@lists.infradead.org, open list Cc: Rob Herring , krzk+dt@kernel.org, conor+dt@kernel.org, Heiko Stuebner Date: Fri, 26 Sep 2025 16:28:48 +0200 In-Reply-To: References: Organization: Collabora Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ZohoMailClient: External On Fri, 2025-09-26 at 15:07 +0100, Mostafa Saleh wrote: > Hi, >=20 > I am trying to run Linux[1] on my Rock PI-4b, which I see is supported in > the kernel in =E2=80=9Crk3399-rock-pi-4b.dts=E2=80=9D. >=20 > However, compiling =E2=80=9Cdefconfig=E2=80=9D (ARM64) and flashing my Im= age doesn=E2=80=99t > work, > It just hangs before any console (even with earlycon), I tried to also us= e > some of the vendor configs with no luck. > I did some research and found that [2], which indicates that the upstream > support has been broken for some years? We've got the Rock 4b in our automated testing lab as part of kernelci and = other efforts. Upstream works just fine on those boards, so it's likely an issue = in your setup. See e.g https://lava.collabora.dev/scheduler/job/19978558#L525 for a recent upstream kernel boot. Regards, Sjoerd >=20 > Has anyone tried to flash a recent kernel successfully on it? or any > tips are greatly appreciated. > Otherwise, maybe it can be removed to avoid misleading other developers > (I got this board to do some upstream kernel development on) >=20 > [1] base: 4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4 > [2] https://wiki.radxa.com/Rockpi4/dev/kernel-mainline >=20 > Thanks, > Mostafa >=20 > _______________________________________________ > Linux-rockchip mailing list > Linux-rockchip@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-rockchip