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 lists.trustedfirmware.org (lists.trustedfirmware.org [18.214.241.189]) (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 914FDFF8861 for ; Mon, 27 Apr 2026 09:57:00 +0000 (UTC) Received: from lists.trustedfirmware.org (localhost [127.0.0.1]) by lists.trustedfirmware.org (Postfix) with ESMTP id D741143E5D for ; Mon, 27 Apr 2026 09:56:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lists.trustedfirmware.org; s=2024; t=1777283819; bh=Vjf/+W6X2o66/p4JzdVpEIdyl1g7SDuTTeHJJ8c4c3c=; h=To:Subject:Date:In-Reply-To:References:CC:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From:Reply-To:From; b=58AB5DTR+u5J+3SCjYP1tCVAA18t3WmhZ8mO5VWXaUIGlylGZBy4jwwiCsMVxB8o1 HjLRd36n4W6SlViNXDVkONzJVvMu2BtRXWHz1FQX752rhaU7ZqZKfBl3m7C0t1cutk zohGRqhOIJDuf5ITtabcUbOrFkbARUaKRXlsbzm+IMU+2PzAKyWjOSH+lAxyazY5yc CJDbP6AuO7aU8gXiTRTdiZbvvbvFq4og9UbZi+14Ns0nK/7rcZ2RhKqYtySTbw3YOl rlIspGdXgT2jN0uQfs9kQBhdP8RvGuh0/lwnEcWXcUTLvaTvn+sAou8n3gYORqDl5q C4YTsAYJyz62w== Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by lists.trustedfirmware.org (Postfix) with ESMTPS id 7D39744481 for ; Mon, 27 Apr 2026 09:56:41 +0000 (UTC) Authentication-Results: lists.trustedfirmware.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=cIvBmmoW; dkim-atps=neutral Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 026F060138; Mon, 27 Apr 2026 09:56:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10397C19425; Mon, 27 Apr 2026 09:56:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777283800; bh=Vjf/+W6X2o66/p4JzdVpEIdyl1g7SDuTTeHJJ8c4c3c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cIvBmmoWC4ilkf4onLtk1RY6WIe+m6DAizvAuPwSB0lEO8+ZPvYQInQCDIAS79N7X JyrYREaURcugcD0kLj1b5DNLMq/vnTYHtxEk5WqR46jndRF48LRK/Wgx54xAAg1bmt awVYnSWneL2LiVm+BfhWs4C9PLPyaZlFK7GHDMZo1B8aRy9yeXALulLykdOgZ0VkkW QyyRfd3i6sZwx8M25NZ/p2UbKS2TWyebfUukIipYnekeFsOF/bzCIcrW+D9wSob12b wB+au19OqxM3fyBTbEinuskD/HXsSk4KbHZeca+5YvT+AjF72D1PTSOS1hU6qIDyrb fCCCaHW9o/EKw== To: andersson@kernel.org, konradybcio@kernel.org Subject: [PATCH v4 01/15] arm64: dts: qcom: kodiak: Add EL2 overlay Date: Mon, 27 Apr 2026 15:25:49 +0530 Message-ID: <20260427095603.1157963-2-sumit.garg@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260427095603.1157963-1-sumit.garg@kernel.org> References: <20260427095603.1157963-1-sumit.garg@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Spamd-Result: default: False [1.21 / 15.00]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; BAYES_HAM(-0.79)[84.61%]; DMARC_POLICY_ALLOW(-0.50)[kernel.org,quarantine]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[kernel.org:s=k20201202]; R_SPF_ALLOW(-0.20)[+ip4:172.105.4.254:c]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_CC(0.00)[vger.kernel.org,lists.freedesktop.org,lists.infradead.org,kernel.org,oss.qualcomm.com,poorly.run,linux.dev,gmail.com,somainline.org,ffwll.ch,lunn.ch,davemloft.net,google.com,redhat.com,linaro.org,qti.qualcomm.com,lists.trustedfirmware.org]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[49]; DKIM_TRACE(0.00)[kernel.org:+]; ASN(0.00)[asn:63949, ipnet:172.105.0.0/19, country:SG]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; TO_DN_SOME(0.00)[]; DNSWL_BLOCKED(0.00)[100.75.92.58:received,172.105.4.254:from]; NEURAL_HAM(-0.00)[-1.000]; ALIAS_RESOLVED(0.00)[]; TAGGED_RCPT(0.00)[dt,netdev]; DWL_DNSWL_BLOCKED(0.00)[kernel.org:dkim]; FROM_HAS_DN(0.00)[] X-Rspamd-Server: lists.trustedfirmware.org X-Rspamd-Queue-Id: 7D39744481 X-Spamd-Bar: + Message-ID-Hash: C36V2TGUS4VGJFOWY7ACOWGI6HIGQ5WX X-Message-ID-Hash: C36V2TGUS4VGJFOWY7ACOWGI6HIGQ5WX X-MailFrom: sumit.garg@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-op-tee.lists.trustedfirmware.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: 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, 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, op-tee@lists.trustedfirmware.org, apurupa@qti.qualcomm.com, skare@qti.qualcomm.com, linux-kernel@vger.kernel.org, Sumit Garg X-Mailman-Version: 3.3.5 Precedence: list List-Id: Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Sumit Garg via OP-TEE Reply-To: Sumit Garg 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 4ba8e7306419..28123cdc9de2 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -170,6 +170,8 @@ qcs615-ride-el2-dtbs := qcs615-ride.dtb talos-el2.dtbo dtb-$(CONFIG_ARCH_QCOM) += qcs615-ride-el2.dtb dtb-$(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