From patchwork Thu May 18 13:59:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 13246859 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 2BB42C7EE24 for ; Thu, 18 May 2023 13:59:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231434AbjERN74 (ORCPT ); Thu, 18 May 2023 09:59:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231183AbjERN7y (ORCPT ); Thu, 18 May 2023 09:59:54 -0400 Received: from mail-ej1-x62c.google.com (mail-ej1-x62c.google.com [IPv6:2a00:1450:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E5D0E5C; Thu, 18 May 2023 06:59:53 -0700 (PDT) Received: by mail-ej1-x62c.google.com with SMTP id a640c23a62f3a-965ab8ed1fcso370060166b.2; Thu, 18 May 2023 06:59:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684418392; x=1687010392; 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=ha+I138R37UHZdgIlxPcdThYdbs6YEMmtrfjUKYO4mEEWUIkxEbBvhIlitda1qGTR8 DFPeF3QECr8G62AP0XOTaasC52PsLKCsNqCJpzibJZMUk+BwHQkVabqxN/3/w9gFvEzu A+bxxU25eSDFaFCDyTUmcLi5ZZ+YE5DcKw41oNAF0+SiB/e+7HNQE2JY6fmrrfFag+s8 xJeaNkVsabjcepOGAa+X2y2W2eB4X+rhqDL4Yp94CzGB4rFYWhDyuK5E5mWOJdDOyXjp 6EToNJtjkC7rVOX2l1rdFMGCwhwg0gtko5RXiwb3lEPcIw8E/mmZJnKQft8CYzQ4+6kR 8kdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684418392; x=1687010392; 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=fJPr/19hvuCvC1vP/a2pa1wNeBiqMisMbvx81GSGa0v4NYvZ6CCI6KWnYbu9NFmpam 1gfxNmYtOBVXj209rJ14g4FoIRM3VAie7P+fWruELjpNMCHMkAt6+yFIZ9/V6LbGFejJ TLowF+g/xnyepEoh/H5Ukuk/qEmbsESyHTpANOqoXLOzoSu5d9p7hmVNGhAmPfH37TgG LTFCzUchjiUu0hRUrraq9xYPeRR+kOFhzw5hztbrFo/Ae6uLNildzvfh7tPkqBVL4f8i qaOFvC6UFeTczSBAd6MfgcL9dzw9n/fsyCcID0ocoGGOGthIgUPMFJMik3RY0pAEOlD3 b8Rg== X-Gm-Message-State: AC+VfDxwT8EipsX15qQEqvskHYV1XzhOKCaVwlzfGF7jgbnz8V60mIBQ V6SbmGN9xmzHXhYCDJwp+2k= X-Google-Smtp-Source: ACHHUZ6KBM5XBHs+4pu1U3pGzNjbd8A+aABNxvAEb37wiK/VlxqXDZEZsCOoDDky+vdHIXzysgvKBw== X-Received: by 2002:a17:907:8a14:b0:8ae:11ca:81de with SMTP id sc20-20020a1709078a1400b008ae11ca81demr38023635ejc.34.1684418391309; Thu, 18 May 2023 06:59:51 -0700 (PDT) Received: from fedora.. (cpezg-94-253-130-143-cbl.xnet.hr. [94.253.130.143]) by smtp.googlemail.com with ESMTPSA id t28-20020a50d71c000000b0050d89daaa70sm669003edi.2.2023.05.18.06.59.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 May 2023 06:59:50 -0700 (PDT) From: Robert Marko To: agross@kernel.org, andersson@kernel.orgm, konrad.dybcio@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, quic_srichara@quicinc.com Cc: Robert Marko Subject: [PATCH 2/2] firmware: qcom: scm: disable SDI on IPQ5018 Date: Thu, 18 May 2023 15:59:45 +0200 Message-Id: <20230518135945.2248451-2-robimarko@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230518135945.2248451-1-robimarko@gmail.com> References: <20230518135945.2248451-1-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; }