From patchwork Tue Jul 26 03:06:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chukun Pan X-Patchwork-Id: 593904 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 B0927CCA48B for ; Tue, 26 Jul 2022 03:06:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237490AbiGZDG4 (ORCPT ); Mon, 25 Jul 2022 23:06:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231616AbiGZDGy (ORCPT ); Mon, 25 Jul 2022 23:06:54 -0400 Received: from mail-m121145.qiye.163.com (mail-m121145.qiye.163.com [115.236.121.145]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67CCD29CBF; Mon, 25 Jul 2022 20:06:52 -0700 (PDT) Received: from amadeus-VLT-WX0.lan (unknown [113.118.189.34]) by mail-m121145.qiye.163.com (Hmail) with ESMTPA id 77CCD80008D; Tue, 26 Jul 2022 11:06:50 +0800 (CST) From: Chukun Pan To: Matthias Brugger Cc: Krzysztof Kozlowski , Rob Herring , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Chukun Pan Subject: [PATCH 2/3] soc: mediatek: update power domain data of MT7623A Date: Tue, 26 Jul 2022 11:06:20 +0800 Message-Id: <20220726030621.7555-2-amadeus@jmu.edu.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220726030621.7555-1-amadeus@jmu.edu.cn> References: <20220726030621.7555-1-amadeus@jmu.edu.cn> MIME-Version: 1.0 X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVkaGhkZVhpPHxpITh1MHRoZSFUTARMWGhIXJBQOD1 lXWRgSC1lBWUpKSFVKSkNVSkNCVUhPWVdZFhoPEhUdFFlBWU9LSFVKSktITUpVS1kG X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6NAw6MDo5LD06ME4SCU84Ny06 KCEKFBxVSlVKTU5DQ0tPQ0pKSkpCVTMWGhIXVRoWGh8eDgg7ERYOVR4fDlUYFUVZV1kSC1lBWUpK SFVKSkNVSkNCVUhPWVdZCAFZQUhOTEg3Bg++ X-HM-Tid: 0a823878b404b03akuuu77ccd80008d Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org When running OpenWrt on MT7623A, I receive a kernel warning as follows (Device dts using mt7623.dtsi): mtk-scpsys 10006000.scpsys: Failed to power on domain mfg WARNING: CPU: 0 PID: 1 at drivers/soc/mediatek/mtk-scpsys.c:457 0xc04a4130 When I switch the device dts to using mt7623a.dtsi, the system fails to boot: rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (0 ticks this GP) idle=146/1/0x40000000 softirq=53/53 fqs=1051 (detected by 1, t=2102 jiffies, g=-1111, q=18) Sending NMI from CPU 1 to CPUs 0: Solved the problem by duplicating the power domain of the MT7623 (except MFG) to MT7623A, the system works fine without kernel warnings/errors. Signed-off-by: Chukun Pan --- drivers/soc/mediatek/mtk-scpsys.c | 35 +++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index ca75b14931ec..8b5713db1ca3 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -910,6 +910,41 @@ static const struct scp_domain_data scp_domain_data_mt7623a[] = { .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, + [MT7623A_POWER_DOMAIN_VDEC] = { + .name = "vdec", + .sta_mask = PWR_STATUS_VDEC, + .ctl_offs = SPM_VDE_PWR_CON, + .sram_pdn_bits = GENMASK(11, 8), + .sram_pdn_ack_bits = GENMASK(12, 12), + .clk_id = {CLK_MM}, + .caps = MTK_SCPD_ACTIVE_WAKEUP, + }, + [MT7623A_POWER_DOMAIN_DISP] = { + .name = "disp", + .sta_mask = PWR_STATUS_DISP, + .ctl_offs = SPM_DIS_PWR_CON, + .sram_pdn_bits = GENMASK(11, 8), + .clk_id = {CLK_MM}, + .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0, + .caps = MTK_SCPD_ACTIVE_WAKEUP, + }, + [MT7623A_POWER_DOMAIN_ISP] = { + .name = "isp", + .sta_mask = PWR_STATUS_ISP, + .ctl_offs = SPM_ISP_PWR_CON, + .sram_pdn_bits = GENMASK(11, 8), + .sram_pdn_ack_bits = GENMASK(13, 12), + .clk_id = {CLK_MM}, + .caps = MTK_SCPD_ACTIVE_WAKEUP, + }, + [MT7623A_POWER_DOMAIN_BDP] = { + .name = "bdp", + .sta_mask = PWR_STATUS_BDP, + .ctl_offs = SPM_BDP_PWR_CON, + .sram_pdn_bits = GENMASK(11, 8), + .clk_id = {CLK_NONE}, + .caps = MTK_SCPD_ACTIVE_WAKEUP, + }, }; /*