From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2C957F01821 for ; Fri, 6 Mar 2026 10:51:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sKS7TMEYXY0/A3er1dYwT18BSYP4wyN8jtdoRqHgDB4=; b=oPOCSe/gQ2BKEOyDBD53aLNAEZ CRTnk8s59L3vaMd8nnsPLHApXpsewBVpuYYvM7MBavKRJXHWeGbxDASwRSHXDNyYZ0JD1MeHPA0fm 0Xi3UDSd5jcP7+LYH171iQ1po9bGmjuR1vAuhRrJNGUcl6hCfTRMJ/WGayA5o0fixC66nd49wdeon R7x3DTKo2YC6+bwkk3Sz8k/4MSR9nRRYVJ79CaX+4eA8QEButP85XjV6bADiNjaFNNvAZkEy+AezH 3fZjoS4a0+KEZvWp+0Kj0DzUPGAZOWDhS8fCfNrgHFZpqWSJ1HxWiF5m/eN4BZspn0JLm4/kq4lhv uuXhf12Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vySmA-00000003Vaw-2WeJ; Fri, 06 Mar 2026 10:51:22 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vySm8-00000003Vaj-0C4l for ath12k@lists.infradead.org; Fri, 06 Mar 2026 10:51:20 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 32FE060018; Fri, 6 Mar 2026 10:51:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 135E5C4CEF7; Fri, 6 Mar 2026 10:51:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772794278; bh=VulyuWgkoLsxmBOeLgDF0beLPvgQfeLav/LDt2v0t0Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VmU6y7g3advHug/qS723M6eJUsviyh5bVasatx5p50xDjCT09nokXcIYQQVxdk1Uh IXHFoRAZ59QQXpUwxq3xBJleExhVzhTADDdniH854fSHsDs+QLroSQIXW/DPSNUro1 wjyv1NYmQjKE5TvnNe+/D4WwZ4VWDBXjfb1gJgEGU5osdEl+JI/AhmXy90VvD0NDNp 7TpYWuYuzT+yNafUWwPc2FLPUUP/842c2BBVecR6Vgt0fq9xo6pgCcqzsOpXcvcH6Y rvzXVI0axUarB6ZPzjzBQuF2nqh/QuMGf5yNXBZBHPAk5+8Y5HjQwumg7DBTN8jMDO l1dKtb0+CMd9g== From: Sumit Garg To: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, ath12k@lists.infradead.org, linux-remoteproc@vger.kernel.org Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, robin.clark@oss.qualcomm.com, sean@poorly.run, akhilpo@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, jesszhan0024@gmail.com, marijn.suijten@somainline.org, airlied@gmail.com, simona@ffwll.ch, vikash.garodia@oss.qualcomm.com, dikshita.agarwal@oss.qualcomm.com, bod@kernel.org, mchehab@kernel.org, elder@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, jjohnson@kernel.org, mathieu.poirier@linaro.org, trilokkumar.soni@oss.qualcomm.com, mukesh.ojha@oss.qualcomm.com, pavan.kondeti@oss.qualcomm.com, jorge.ramirez@oss.qualcomm.com, tonyh@qti.qualcomm.com, vignesh.viswanathan@oss.qualcomm.com, srinivas.kandagatla@oss.qualcomm.com, amirreza.zarrabi@oss.qualcomm.com, jens.wiklander@linaro.org, op-tee@lists.trustedfirmware.org, apurupa@qti.qualcomm.com, skare@qti.qualcomm.com, Sumit Garg Subject: [PATCH 01/14] arm64: dts: qcom: kodiak: Add EL2 overlay Date: Fri, 6 Mar 2026 16:20:14 +0530 Message-ID: <20260306105027.290375-2-sumit.garg@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260306105027.290375-1-sumit.garg@kernel.org> References: <20260306105027.290375-1-sumit.garg@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: ath12k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath12k" Errors-To: ath12k-bounces+ath12k=archiver.kernel.org@lists.infradead.org From: Mukesh Ojha All the existing variants Kodiak boards are using Gunyah hypervisor which means that, so far, Linux-based OS could only boot in EL1 on those devices. However, it is possible for us to boot Linux at EL2 on these devices [1]. When running under Gunyah, the remote processor firmware IOMMU streams are controlled by Gunyah. However, without Gunyah, the IOMMU is managed by the consumer of this DeviceTree. Therefore, describe the firmware streams for each remote processor. Add a EL2-specific DT overlay and apply it to Kodiak IOT variant devices to create -el2.dtb for each of them alongside "normal" dtb. [1] https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-4/boot-developer-touchpoints.html#uefi Signed-off-by: Mukesh Ojha [SG: watchdog fixup] Signed-off-by: Sumit Garg --- arch/arm64/boot/dts/qcom/Makefile | 2 ++ arch/arm64/boot/dts/qcom/kodiak-el2.dtso | 35 ++++++++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/kodiak-el2.dtso diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index f80b5d9cf1e8..09a7f943190e 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -139,6 +139,8 @@ dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-4000.dtb dtb-$(CONFIG_ARCH_QCOM) += qcs615-ride.dtb dtb-$(CONFIG_ARCH_QCOM) += qcs6490-radxa-dragon-q6a.dtb dtb-$(CONFIG_ARCH_QCOM) += qcs6490-rb3gen2.dtb +qcs6490-rb3gen2-el2-dtbs := qcs6490-rb3gen2.dtb kodiak-el2.dtbo +dtb-$(CONFIG_ARCH_QCOM) += qcs6490-rb3gen2-el2.dtb qcs6490-rb3gen2-vision-mezzanine-dtbs := qcs6490-rb3gen2.dtb qcs6490-rb3gen2-vision-mezzanine.dtbo qcs6490-rb3gen2-industrial-mezzanine-dtbs := qcs6490-rb3gen2.dtb qcs6490-rb3gen2-industrial-mezzanine.dtbo diff --git a/arch/arm64/boot/dts/qcom/kodiak-el2.dtso b/arch/arm64/boot/dts/qcom/kodiak-el2.dtso new file mode 100644 index 000000000000..0b3a69a0d765 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/kodiak-el2.dtso @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + * + * Kodiak specific modifications required to boot in EL2. + */ + + +/dts-v1/; +/plugin/; + +&gpu_zap_shader { + status = "disabled"; +}; + +&remoteproc_adsp { + iommus = <&apps_smmu 0x1800 0x0>; +}; + +&remoteproc_cdsp { + iommus = <&apps_smmu 0x11a0 0x0400>; +}; + +&remoteproc_wpss { + iommus = <&apps_smmu 0x1c03 0x1>, + <&apps_smmu 0x1c83 0x1>; +}; + +&venus { + status = "disabled"; +}; + +&watchdog { + status = "okay"; +}; -- 2.51.0