From patchwork Mon Nov 25 12:33:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Chen X-Patchwork-Id: 11260333 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 21B2B109A for ; Mon, 25 Nov 2019 12:34:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 00FC3207FD for ; Mon, 25 Nov 2019 12:34:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RpcGwW4+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 00FC3207FD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amlogic.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7n8cUz+NPOmtTZ+VAEZWqZmD2rh2BNG9L7I+R9bSKlw=; b=RpcGwW4+4bzJ7Z tf8e9pylR7sFI6LvDXYatD0Hnx68qb5z59/7PI1w2EKoWYqmNde6FZoKkbMZlaDmDiSNOLrniTA5J rx9KfhNXBe9zYeMsz9GFV8OByhisu4n43lU7Afq06OO1ukmsZcWl9TeyRNhRm+jJimdbMDiWiLR1B hFQnszd0ejSXjPqrvnuyh3uhCR3SRKLS03uIcGHafgQoLyPeabSd4ro+v/ZE92beXUhBgowEPuTg+ ZnyF3ra4ykVteMoBaVl9YsauoYDJVcoM31ylfPDaFnmI2Ho+h7S3dY4Hxw46uGdXYJDmwECTYg6ee 9g6ewIvhmOkouz0x+xOg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iZDZ2-0003yq-AP; Mon, 25 Nov 2019 12:34:00 +0000 Received: from mail-sz.amlogic.com ([211.162.65.117]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iZDYn-0003jd-TN; Mon, 25 Nov 2019 12:33:47 +0000 Received: from droid12-sz.software.amlogic (10.28.8.22) by mail-sz.amlogic.com (10.28.11.5) with Microsoft SMTP Server id 15.1.1591.10; Mon, 25 Nov 2019 20:34:07 +0800 From: Xingyu Chen To: Wim Van Sebroeck , Guenter Roeck , Kevin Hilman , Neil Armstrong , Rob Herring Subject: [PATCH v4 1/2] firmware: meson_sm: add new SMC ID support for accessing secure watchdog Date: Mon, 25 Nov 2019 20:33:37 +0800 Message-ID: <1574685218-31164-2-git-send-email-xingyu.chen@amlogic.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1574685218-31164-1-git-send-email-xingyu.chen@amlogic.com> References: <1574685218-31164-1-git-send-email-xingyu.chen@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.28.8.22] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191125_043345_942160_20F702E6 X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Qianggui Song , linux-watchdog@vger.kernel.org, Jianxin Pan , linux-kernel@vger.kernel.org, Jian Hu , linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, Xingyu Chen , Jerome Brunet Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org The new SMC ID is used to access secure registers by meson secure watchdog driver. Signed-off-by: Xingyu Chen --- drivers/firmware/meson/meson_sm.c | 1 + include/linux/firmware/meson/meson_sm.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c index 1d5b4d7..8cdd405 100644 --- a/drivers/firmware/meson/meson_sm.c +++ b/drivers/firmware/meson/meson_sm.c @@ -44,6 +44,7 @@ static const struct meson_sm_chip gxbb_chip = { CMD(SM_EFUSE_WRITE, 0x82000031), CMD(SM_EFUSE_USER_MAX, 0x82000033), CMD(SM_GET_CHIP_ID, 0x82000044), + CMD(SM_A1_WATCHDOG_OPS, 0x82000086), { /* sentinel */ }, }, }; diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h index 6669e2a..9ef1524 100644 --- a/include/linux/firmware/meson/meson_sm.h +++ b/include/linux/firmware/meson/meson_sm.h @@ -12,6 +12,7 @@ enum { SM_EFUSE_WRITE, SM_EFUSE_USER_MAX, SM_GET_CHIP_ID, + SM_A1_WATCHDOG_OPS, }; struct meson_sm_firmware;