From patchwork Mon Dec 19 19:14:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 635167 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 BE6F6C3DA71 for ; Mon, 19 Dec 2022 19:16:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232226AbiLSTQC (ORCPT ); Mon, 19 Dec 2022 14:16:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232504AbiLSTPR (ORCPT ); Mon, 19 Dec 2022 14:15:17 -0500 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EB4613E89 for ; Mon, 19 Dec 2022 11:14:50 -0800 (PST) Received: by mail-pj1-x102b.google.com with SMTP id u5so10066267pjy.5 for ; Mon, 19 Dec 2022 11:14:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=sAubOkJvINNojNKQySo7fdvunMLKmBVll3HExCwexwo=; b=JuHzAjEtS3z3AoG0EOBAtJfVoGmuEoBwfuq6bv4gk+GZhn3641lIsz8c8HCAhPdSg9 FvbtOTJr/o5hDTHq05f6k7k1tYRrGOiH5LqagM9BEjUxIMLsIPqrGaudPeXxVSNvU/US o0Lu7Cw8x8A95clipBqMSjq+zul51e/SovIxqFgsXYlkyVzvwZOK+RLDFRZ+y5ZHlPOj FRmE5NGFNCoXlpeud0gPtFrAk2HU2zXev5LEZ7bSjZB54Gp5/V0qEy7q79flhleD7jc+ MyIJTSrLO7wvOSMuxeqkJZFutH3kX+th0e8ZtgxdV1K8+Jk45wGeM400D+1zesaoZXiN tCYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sAubOkJvINNojNKQySo7fdvunMLKmBVll3HExCwexwo=; b=GTc9KXejKFNLQJExexoTGl0NhT+TLb0AwoTH31yMTBOELtGCoJ/lCJhhUdOc8zl7ai oglaVN5dtYW2v5DeAcwbhGHqi3HmyjHeQ4yVQh9afOn/1KArBhHkFLrQF78g4s9zZpu4 Ru2iGP8/ZmLm7bp/HNdfuZAiVeccp1AylRgQsDIb08O+pX4z1SAu7SHdR/9OA+VzdWd6 LFPr0URg+fJ+o2MvJlvR2U+JPppsX44BzoeKx2dbXYT55UBEDLLt5mjORUsVWXRKqCbS nU2AC3EQa1KdU2gXMBfVXEroTvjbxrSX/OiX8a+OU07hVU1XRTI5pR0Px8/7qCh+Qf/j rxGg== X-Gm-Message-State: ANoB5pkdVz2SlVFEnoICWAuybo0VUDKvu4xZ7KY9brdUadPDDfXL7gGP oZQmXDVvWViisnDHblOcGqrk X-Google-Smtp-Source: AA0mqf7bcFYuSkhSlx4GdCaQjF/wzvulHntCyBcCywh+NNbwUHeolME6QXhdkW/x1vnDIOoLUlThdQ== X-Received: by 2002:a17:90b:378c:b0:21e:1282:af42 with SMTP id mz12-20020a17090b378c00b0021e1282af42mr41810543pjb.40.1671477289675; Mon, 19 Dec 2022 11:14:49 -0800 (PST) Received: from localhost.localdomain ([220.158.159.17]) by smtp.gmail.com with ESMTPSA id z4-20020a17090a66c400b001f94d25bfabsm9485803pjl.28.2022.12.19.11.14.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Dec 2022 11:14:48 -0800 (PST) From: Manivannan Sadhasivam To: andersson@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: bhelgaas@google.com, konrad.dybcio@linaro.org, linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH 3/3] arm64: dts: qcom: sm8450: Use GIC-ITS for PCIe0 and PCIe1 Date: Tue, 20 Dec 2022 00:44:27 +0530 Message-Id: <20221219191427.480085-4-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221219191427.480085-1-manivannan.sadhasivam@linaro.org> References: <20221219191427.480085-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Both PCIe0 and PCIe1 controllers are capable of receiving MSIs from endpoint devices using GIC-ITS MSI controller. Add support for it. Currently, BDF (0:0.0) and BDF (1:0.0) are enabled and with the msi-map-mask of 0xff00, all the 32 devices under these two busses can share the same Device ID. The GIC-ITS MSI implementation provides an advantage over internal MSI implementation using Locality-specific Peripheral Interrupts (LPI) that would allow MSIs to be targeted for each CPU core. Signed-off-by: Manivannan Sadhasivam --- arch/arm64/boot/dts/qcom/sm8450.dtsi | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi index 570475040d95..276ceba4c247 100644 --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi @@ -1733,9 +1733,9 @@ pcie0: pci@1c00000 { ranges = <0x01000000 0x0 0x60200000 0 0x60200000 0x0 0x100000>, <0x02000000 0x0 0x60300000 0 0x60300000 0x0 0x3d00000>; - interrupts = ; - interrupt-names = "msi"; - #interrupt-cells = <1>; + msi-map = <0x0 &gic_its 0x5980 0x1>, + <0x100 &gic_its 0x5981 0x1>; + msi-map-mask = <0xff00>; interrupt-map-mask = <0 0 0 0x7>; interrupt-map = <0 0 0 1 &intc 0 0 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */ <0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>, /* int_b */ @@ -1842,9 +1842,9 @@ pcie1: pci@1c08000 { ranges = <0x01000000 0x0 0x40200000 0 0x40200000 0x0 0x100000>, <0x02000000 0x0 0x40300000 0 0x40300000 0x0 0x1fd00000>; - interrupts = ; - interrupt-names = "msi"; - #interrupt-cells = <1>; + msi-map = <0x0 &gic_its 0x5a01 0x1>, + <0x100 &gic_its 0x5a00 0x1>; + msi-map-mask = <0xff00>; interrupt-map-mask = <0 0 0 0x7>; interrupt-map = <0 0 0 1 &intc 0 0 0 434 IRQ_TYPE_LEVEL_HIGH>, /* int_a */ <0 0 0 2 &intc 0 0 0 435 IRQ_TYPE_LEVEL_HIGH>, /* int_b */