From patchwork Thu May 18 14:02:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 13246861 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 09503C77B7D for ; Thu, 18 May 2023 14:02:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231557AbjEROCd (ORCPT ); Thu, 18 May 2023 10:02:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231258AbjEROCc (ORCPT ); Thu, 18 May 2023 10:02:32 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FA40E51; Thu, 18 May 2023 07:02:31 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id 4fb4d7f45d1cf-510ea8d0bb5so797599a12.0; Thu, 18 May 2023 07:02:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684418549; x=1687010549; 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=Y2Hw87l7Ts/Jxr3HsiObApCTHPM3x3z16x4yMMIWg7U=; b=UbH1d1RvF5tQKqhb7d53yj0gbmWx4JmBW7ux3rULr/Kjj0RuhefLvFoKuKO0kuGFm/ V0D0VT8n89q4OS2WsJqIWcEEGnQLhbvyhjaVN8TMCqRgmYZP5xKc07kNTiHAgLcgBEN5 t0qTXum3ZUoTrHXW7fdqxSyPbp4wH8G+W/xmC0+/VP8HHr9PIhpcIaVu0bfaZpalwmS9 OWPS3v9iQ6AlKx0SSIcmUEZQ8BvxeQzWx/KGKjoObMxmfzzpXCnqc3Mu4zIilMQyjhY3 fCiYZ5oRZ22P5VxBilzTB1TFn2XsqMNN3abIdzGxRkEIWX9b4vVgbYfdBrR4p48cnFia jpqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684418549; x=1687010549; 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=Y2Hw87l7Ts/Jxr3HsiObApCTHPM3x3z16x4yMMIWg7U=; b=SKUpUP2PehJpDex6UEG2I6Ag9j67xvU8LZlNwWGaZMw1lFe4vqVoKNOKuSffYRAo0D 4FNU7GNuFatrO4w8maTosttiw6a2LXw5l3kNINUP4pgKlOyVavrehxrYxrsQ+nsc+enI bxvcJYO556WRfbJ3zuTR2RFOiBdwAS9ipCiXTxWmfJSa6dI465Xfwwl/sKrcyr4h8f5W OI/ReeupjHQJMgIVBfUCoZ5e4yjWIozNLK152pvQeyP2y8GKQ57l1LfmLpsg/ZmE2FrV 15z5gPNMClOZ7SS/mwMc2MR203MP+ZDTHgEaUZV20xRRraBpiiGHnqTzlYAbRJxjMixU +WZQ== X-Gm-Message-State: AC+VfDzvdwS0Fnpdzn7QCJ4ekXv5YRpFbC/Pocfo3hawTrpt3/crXVRC hEK3SFQVeHADvad61cLvNs6cWhkyN14= X-Google-Smtp-Source: ACHHUZ4g1yJ2IoW8AWI40CmRxuC3p7yQTD2VvHNMhL4VhevYghbQIBuSPIaOlRiiJsnlkZZd26ikoQ== X-Received: by 2002:a17:906:fd8c:b0:94f:3cf5:6d7f with SMTP id xa12-20020a170906fd8c00b0094f3cf56d7fmr38420982ejb.46.1684418549192; Thu, 18 May 2023 07:02:29 -0700 (PDT) Received: from fedora.. (cpezg-94-253-130-143-cbl.xnet.hr. [94.253.130.143]) by smtp.googlemail.com with ESMTPSA id m14-20020a170906258e00b0096f272206b3sm997025ejb.125.2023.05.18.07.02.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 May 2023 07:02:28 -0700 (PDT) From: Robert Marko To: agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, srichara@quicinc.com Cc: Robert Marko Subject: [RESEND,PATCH 2/2] firmware: qcom: scm: disable SDI on IPQ5018 Date: Thu, 18 May 2023 16:02:24 +0200 Message-Id: <20230518140224.2248782-2-robimarko@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230518140224.2248782-1-robimarko@gmail.com> References: <20230518140224.2248782-1-robimarko@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org IPQ5018 seems to have SDI (Secure Debug Image) enabled by default which prevents normal reboot from working causing the board to just hang after reboot is called. So, let disable SDI during SCM probe for IPQ5018. Signed-off-by: Robert Marko --- drivers/firmware/qcom_scm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index bdc9324d4e62..c6a38ce49fb0 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -1525,6 +1525,14 @@ static int qcom_scm_probe(struct platform_device *pdev) if (download_mode) qcom_scm_set_download_mode(true); + /* IPQ5018 seems to have SDI (Secure Debug Image) enabled by default + * which will prevent normal reboot causing the board to hang after + * making the reboot call. + * So, make a call to SCM to disable SDI. + */ + if (of_machine_is_compatible("qcom,ipq5018")) + qcom_scm_disable_sdi(); + return 0; }