From patchwork Mon Dec 14 05:10:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tzung-Bi Shih X-Patchwork-Id: 11971319 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9D18C4361B for ; Mon, 14 Dec 2020 05:11:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A10F822472 for ; Mon, 14 Dec 2020 05:11:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726030AbgLNFLp (ORCPT ); Mon, 14 Dec 2020 00:11:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725776AbgLNFLp (ORCPT ); Mon, 14 Dec 2020 00:11:45 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F5BDC0613CF for ; Sun, 13 Dec 2020 21:11:05 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id o9so4256641yba.4 for ; Sun, 13 Dec 2020 21:11:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=fgDcU1+oW2fdsmRYSzA1iVZIhvNfGHQmRRDgjGCVILY=; b=FSUxYP1MqGPvbTcmRAbdlr1QlCR3wVcjs0XvfBgYfJnjiAp/nm2d4PYU+9/Kfkmxcb bd6mQWPPOJ6sn4wlk0+9eQl9jNb+a5iCHySTv8dQy+6y9KZC8YLoi8ZzPMi0o10tsfY+ QWu7XNiOsufywy7Y4edFNElO8q2w5aNnX1+b0EeSQww/ypEQV4x5OUIgS8OMlr5N1SeN IND0dcxvwMuz0mcuFFsfTGApyQdVLx6B0G21/ag2opRZZmF0LZm8jGGkeIbLFo2JOQvI X7XWT+fHz/HqzwQrhwAWgm7/VfX8qnDC031Z0ONimpTmHYyvHgYihCH0Sy9Uv/nv7h8A B1iQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=fgDcU1+oW2fdsmRYSzA1iVZIhvNfGHQmRRDgjGCVILY=; b=KfcX6Ea93qaKj64skZYiSOp8Gw/y+4Mzg87HwZCanAf93BBbq3Odtm9nFrRq0FgG0+ HrkBsyG+QopF2MaWXVA0rFO4ECA2zcc8mA/m2VpO/kgtdD+Z92Rkz4vQqbCxwjX+McLO P5wtXJUH+5quKdBBPBgEq9SqfDL+4w+nFAPcE6yxvoitIt9goJqsGAWy0uLnMBgHdNxl 5uVLLyTHv4or3ivTxWzqtQW3kkGV75GhIdqnphvW9ADp4/WySevW52fD29LT+gXwWlaW 7m2+n9Da+2aMPDhRmUsMCshJGraIwT32BW8sK6d5u6bNorrf4xSYK726MLfit0WePQSx hk0A== X-Gm-Message-State: AOAM533qDGcilSOqr8s0gu71PzXgfHf8EdhVQ5n/RcXRzOON3915is7W YZA1D9gC6B2qS3mRDO1qK/ZhNjGs+tZf X-Google-Smtp-Source: ABdhPJzrnWMwRRK57Q5VAbPJn0pCX1fnZeJ9HQg3zGBuhiUBKMRNDFguMlUZZwjTydDnOzvzLGAv5hLAYEFL Sender: "tzungbi via sendgmr" X-Received: from tzungbi-z840.tpe.corp.google.com ([2401:fa00:1:b:725a:fff:fe41:c6a5]) (user=tzungbi job=sendgmr) by 2002:a25:f20a:: with SMTP id i10mr33399723ybe.37.1607922664156; Sun, 13 Dec 2020 21:11:04 -0800 (PST) Date: Mon, 14 Dec 2020 13:10:47 +0800 Message-Id: <20201214051047.859110-1-tzungbi@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.29.2.684.gfbc64c5ab5-goog Subject: [PATCH] remoteproc/mediatek: enable MPU for all memory regions in MT8192 SCP From: Tzung-Bi Shih To: ohad@wizery.com, bjorn.andersson@linaro.org Cc: linux-remoteproc@vger.kernel.org, matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org, tzungbi@google.com Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Enables MPU for all memory regions in MT8192 SCP. Signed-off-by: Tzung-Bi Shih --- drivers/remoteproc/mtk_common.h | 1 + drivers/remoteproc/mtk_scp.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 94bc54b224ee..5f7cd2336cef 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -47,6 +47,7 @@ #define MT8192_CORE0_SW_RSTN_CLR 0x10000 #define MT8192_CORE0_SW_RSTN_SET 0x10004 +#define MT8192_CORE0_MEM_ATT_PREDEF 0x10008 #define MT8192_CORE0_WDT_CFG 0x10034 #define SCP_FW_VER_LEN 32 diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index f025aba67abc..130c0b9511df 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -369,6 +369,9 @@ static int mt8192_scp_before_load(struct mtk_scp *scp) mt8192_power_on_sram(scp->reg_base + MT8192_L1TCM_SRAM_PDN); mt8192_power_on_sram(scp->reg_base + MT8192_CPU0_SRAM_PD); + /* enable MPU for all memory regions */ + writel(0xff, scp->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); + return 0; }