From patchwork Mon May 15 10:12:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephan Gerhold X-Patchwork-Id: 682561 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46964C7EE25 for ; Mon, 15 May 2023 10:16:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241124AbjEOKQX (ORCPT ); Mon, 15 May 2023 06:16:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241079AbjEOKQN (ORCPT ); Mon, 15 May 2023 06:16:13 -0400 Received: from mo4-p02-ob.smtp.rzone.de (mo4-p02-ob.smtp.rzone.de [85.215.255.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B84010D1; Mon, 15 May 2023 03:15:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1684145545; cv=none; d=strato.com; s=strato-dkim-0002; b=DU5Ntx1GSrrExqV7mBRR58zNc4UWfZ5m5g1wcJ0Z3p9gFB5T+clYDwVlAxXeZEv60d KqMfzbhg4MAVvDDzVooTeZCSDOk4ZkNxXpzB/97yKXbb8pswpoE7DMONMW3BDdLz5F7y JB3jbrXT77ZdtcRylB+b6iGdzrU1y4FDI2R/IYSHH4sRbduV/rIAACFpcW7noWqUSEbb +/JRS8AXq5v3CdzDtmkU3od4JvgybIWrvQ3tdJ1crZqFzV3rXfLTU/l1mfxdZBLRwLUg V/2q9kP531H7bRpIa/oOc4SkMeuCVTsyXceZiuX+oQtjfCdMkW1wHwwUpcgbmzWjTRcG NSJg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; t=1684145545; s=strato-dkim-0002; d=strato.com; h=Cc:To:In-Reply-To:References:Message-Id:Subject:Date:From:Cc:Date: From:Subject:Sender; bh=3LlKTLyOPLCsMajuxocSXbDRZ9+pHs4RCOi8py6qtBg=; b=bX/y9U8+/itPfSzXWRkC483pv8zAPoih7A2WKW1YZoJ7CB7KI6NYj2TqgJFecSm6vS tAwSIFmg89VmzNqiT19UB144MyJvz0emSsrjLyT5ZEd9zNPzfLLWpjTmS/vwqEpBRC66 hO51Un1ZCf/Qapr4GEIjptVnpKPGkgbF7yM8XStlbXW1jPLNmz8lu8uDyqbfSWWahsi3 vrPzv5YYapF1CMnynFRztsaMM87QAxRS9KL5c6eoN+8P7B26AWE9TqmWCw5bTno5o78U IFj8oZfZNjkII8RHng46Ygm8jXVRval2rlbDDzvJ9IdaX/Jrem00ZaZySrxNYE1IevX5 dd3A== ARC-Authentication-Results: i=1; strato.com; arc=none; dkim=none X-RZG-CLASS-ID: mo02 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1684145545; s=strato-dkim-0002; d=gerhold.net; h=Cc:To:In-Reply-To:References:Message-Id:Subject:Date:From:Cc:Date: From:Subject:Sender; bh=3LlKTLyOPLCsMajuxocSXbDRZ9+pHs4RCOi8py6qtBg=; b=kYuWwP8RTvUBZFdkPMyR485etSDWgsiFGYHAItORqhf3cW58TJfaLY2NZPDxSSWGRX wuAhoxb07970pDU05wpHpRB1Xed+NPnvCITpNNG+yDwND6DqD501jpbyrAhMJX1Pm5qz oCtmA3W573E3Fya9zW5h+cBghK/eB0x/D7sePbujdkFLGY2XUTAMo47xoperDLinX3EJ Xc0x4VQAAgP94wnC+VwSx6IpqqRGVFrNBsqzNYxh/EDgQ9LFvTWwSXNj0dV+VchPNypL QwfJWmDQAuo6DMmaGfwN+jItj70PXlG/VZmzhPlY19fc2NHAs7FkCT21S2gxE3q/ZR92 Sapg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; t=1684145545; s=strato-dkim-0003; d=gerhold.net; h=Cc:To:In-Reply-To:References:Message-Id:Subject:Date:From:Cc:Date: From:Subject:Sender; bh=3LlKTLyOPLCsMajuxocSXbDRZ9+pHs4RCOi8py6qtBg=; b=SoA2ZDBVnycnBaA/jyKIPH3jOB+OlGcurcQXn89npJE4BewPTk4p2DSSEdiVRV+/oN WQnkCGapzkf3VsdTVVCA== X-RZG-AUTH: ":P3gBZUipdd93FF5ZZvYFPugejmSTVR2nRPhVOQjVd4CteZ/7jYgS+mLFY+H0JAn8u4ly9TY=" Received: from [192.168.244.3] by smtp.strato.de (RZmta 49.4.0 DYNA|AUTH) with ESMTPSA id j6420az4FACO1JJ (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Mon, 15 May 2023 12:12:24 +0200 (CEST) From: Stephan Gerhold Date: Mon, 15 May 2023 12:12:19 +0200 Subject: [PATCH RFC 4/5] arm64: dts: qcom: msm8916: Enable modem on two phones MIME-Version: 1.0 Message-Id: <20230510-dt-resv-bottom-up-v1-4-3bf68873dbed@gerhold.net> References: <20230510-dt-resv-bottom-up-v1-0-3bf68873dbed@gerhold.net> In-Reply-To: <20230510-dt-resv-bottom-up-v1-0-3bf68873dbed@gerhold.net> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Rowand Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , devicetree@vger.kernel.org, devicetree-spec@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Stephan Gerhold X-Mailer: b4 0.12.2 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org DO NOT APPLY - this is just an example to show the motivation for the patch series. For clarity only some of the device trees are updated. On MSM8916 there are different independent firmware regions, e.g. for the modem (mpss), WiFi/Bluetooth (wcnss) or video acceleration (venus). They need a specific size but the address is relocatable within a certain memory region as long as the necessary alignment is respected. The modem firmware size varies from device to device depending on the available functionality. Right now msm8916.dtsi specifies the firmware sizes for the DragonBoard 410c SBC, which has smaller firmware because the modem firmware only implements GPS but not LTE etc. The modem firmware is much larger on actual smartphones. Unfortunately, changing the modem/mpss reserved memory size requires shifting all following reserved memory regions to new addresses as well, even though the size for the wcnss/venus firmware is the same for all devices. This introduces quite a lot of churn with many magic addresses and room for errors. Only two devices are shown in the example below, but similar diffs would need to be applied to 30+ more similar MSM8916 device trees. Note that msm8916-longcheer-l8150 is a single exception where the wcnss firmware is not relocatable and must be loaded at a specific address. It is included here to show that the dynamic reserved memory allocation in the next patch handles this automatically. Signed-off-by: Stephan Gerhold --- .../boot/dts/qcom/msm8916-longcheer-l8150.dts | 29 +++++++++++++++++++++- .../boot/dts/qcom/msm8916-samsung-serranove.dts | 28 +++++++++++++++++++++ 2 files changed, 56 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts index f1dd625e1822..4a5eab06c18b 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts +++ b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts @@ -21,14 +21,37 @@ chosen { stdout-path = "serial0"; }; + /* + * For some reason, the wcnss firmware is not relocatable, so it must be + * loaded at 0x8b600000. Unfortunately this overlaps with the memory + * region usually used for the modem firmware (0x86800000-0x8b800000). + * However, the modem firmware is relocatable, so wcnss is placed at the + * fixed address and all other firmware regions are moved to a fitting place. + */ reserved-memory { - /* wcnss.mdt is not relocatable, so it must be loaded at 0x8b600000 */ + /delete-node/ mpss@86800000; /delete-node/ wcnss@89300000; + /delete-node/ venus@89900000; wcnss_mem: wcnss@8b600000 { reg = <0x0 0x8b600000 0x0 0x600000>; no-map; }; + + venus_mem: venus@8bc00000 { + reg = <0x0 0x8bc00000 0x0 0x500000>; + no-map; + }; + + mpss_mem: mpss@8ec00000 { + reg = <0x0 0x8ec00000 0x0 0x5000000>; + no-map; + }; + + gps_mem: gps@93c00000 { + reg = <0x0 0x93c00000 0x0 0x200000>; + no-map; + }; }; gpio-keys { @@ -218,6 +241,10 @@ &blsp1_uart2 { status = "okay"; }; +&mpss { + status = "okay"; +}; + &pm8916_resin { status = "okay"; linux,code = ; diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts index 1a41a4db874d..25ad098b1503 100644 --- a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts +++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts @@ -36,11 +36,35 @@ chosen { }; reserved-memory { + /delete-node/ mpss@86800000; + /delete-node/ wcnss@89300000; + /delete-node/ venus@89900000; + /* Additional memory used by Samsung firmware modifications */ tz-apps@85500000 { reg = <0x0 0x85500000 0x0 0xb00000>; no-map; }; + + mpss_mem: mpss@86800000 { + reg = <0x0 0x86800000 0x0 0x5a00000>; + no-map; + }; + + gps_mem: gps@8c200000 { + reg = <0x0 0x8c200000 0x0 0x200000>; + no-map; + }; + + wcnss_mem: wcnss@8c400000 { + reg = <0x0 0x8c400000 0x0 0x600000>; + no-map; + }; + + venus_mem: venus@8ca00000 { + reg = <0x0 0x8ca00000 0x0 0x500000>; + no-map; + }; }; gpio-keys { @@ -263,6 +287,10 @@ &blsp1_uart2 { status = "okay"; }; +&mpss { + status = "okay"; +}; + &pm8916_resin { status = "okay"; linux,code = ;