From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 23DF5C2B9F8 for ; Tue, 25 May 2021 06:06:53 +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 D3DC3613AB for ; Tue, 25 May 2021 06:06:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3DC3613AB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=b3qPL9HTSpIGhHnyJ2conArQIM8Up8T4NnyFyDk1I04=; b=AQP4+U1oug3+8U Bhlqrhn+x+V2oD/pAYnvnbXAB7Rlyf6gAl+8m5ZEXVGgSfipqyPfapaX6JsA0X68+dPss9DXj7vRF jH9MNcndA61BdrFMG5abZyEdedGRDtsqQQp9gI7KOhE1EZlDmGrx0MhuoPtyAKQGwOp3+/VMm+lBv 3PMYehqvbjjZ4vzLTmA261HxpoEztfypMjYkxnIopI8ISdp5p+uGZqJTY3DnPcC4a5zIYL7tVrj3d WaznJEtUcd+1kOxKo91+M3i/klmEGZXhsaZQlK8uaUFkeNuCcCMkDoOwu4FqBKypSqaCBKl6qfeY+ arxq688WeCTiHASqwQ1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1llQBQ-003XBB-My; Tue, 25 May 2021 06:04:53 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1llQAJ-003Wxl-0o; Tue, 25 May 2021 06:03:46 +0000 X-UUID: 0be76eaa0f6c44d9b3004cef565080ad-20210524 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=IeqqO8f1hiIGe/d5rxlROK2HoWoN70xo72brP495zpI=; b=FPI/j8kgv3Dt3cjokftXwaskayHo9yLJfQkyIQFzCQ1BTocKCH7DXfOTX4UoX3tnhY9UFcGjoVFnlRti/ksru//NVjl6ZjKROi6n0JAvhb8lUGvawO4fDZw8Ml8V4i4w3RcSoVrXnk9h6jG+El+wJkNOfZBHkJbYZGRRl9O4WN0=; X-UUID: 0be76eaa0f6c44d9b3004cef565080ad-20210524 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 236269152; Mon, 24 May 2021 23:03:39 -0700 Received: from mtkmbs08n2.mediatek.inc (172.21.101.56) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 24 May 2021 22:53:53 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 25 May 2021 13:53:51 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 25 May 2021 13:53:51 +0800 From: Nina Wu To: Rob Herring , Matthias Brugger CC: Zhen Lei , Nina Wu , , , , , , , Subject: [PATCH v4 5/7] soc: mediatek: devapc: add debug register for new IC support Date: Tue, 25 May 2021 13:53:04 +0800 Message-ID: <1621921986-20578-5-git-send-email-nina-cm.wu@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1621921986-20578-1-git-send-email-nina-cm.wu@mediatek.com> References: <1621921986-20578-1-git-send-email-nina-cm.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210524_230343_114615_36C70E71 X-CRM114-Status: GOOD ( 16.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nina Wu There are 3 debug info registers in new ICs while in legacy ones, we have only 2. We add a 'version' field in compatible data to decide how we extract the debug info. Signed-off-by: Nina Wu --- drivers/soc/mediatek/mtk-devapc.c | 43 +++++++++++++++++++++++++++++++++++---- 1 file changed, 39 insertions(+), 4 deletions(-) diff --git a/drivers/soc/mediatek/mtk-devapc.c b/drivers/soc/mediatek/mtk-devapc.c index f5d63c5..bdc8fe9 100644 --- a/drivers/soc/mediatek/mtk-devapc.c +++ b/drivers/soc/mediatek/mtk-devapc.c @@ -26,12 +26,24 @@ struct mtk_devapc_vio_dbgs { u32 addr_h:4; u32 resv:4; } dbg0_bits; + + struct { + u32 dmnid:6; + u32 vio_w:1; + u32 vio_r:1; + u32 addr_h:4; + u32 resv:20; + } dbg0_bits_ver2; }; u32 vio_dbg1; + u32 vio_dbg2; }; struct mtk_devapc_data { + /* architecture version */ + u32 version; + /* default numbers of violation index */ u32 vio_idx_num; @@ -40,6 +52,7 @@ struct mtk_devapc_data { u32 vio_sta_offset; u32 vio_dbg0_offset; u32 vio_dbg1_offset; + u32 vio_dbg2_offset; u32 apc_con_offset; u32 vio_shift_sta_offset; u32 vio_shift_sel_offset; @@ -163,22 +176,43 @@ static void devapc_extract_vio_dbg(struct mtk_devapc_context *ctx) struct mtk_devapc_vio_dbgs vio_dbgs; void __iomem *vio_dbg0_reg; void __iomem *vio_dbg1_reg; + void __iomem *vio_dbg2_reg; + u32 vio_addr, bus_id, domain_id; + u32 vio_w, vio_r; vio_dbg0_reg = ctx->base + ctx->data->vio_dbg0_offset; vio_dbg1_reg = ctx->base + ctx->data->vio_dbg1_offset; + vio_dbg2_reg = ctx->base + ctx->data->vio_dbg2_offset; vio_dbgs.vio_dbg0 = readl(vio_dbg0_reg); vio_dbgs.vio_dbg1 = readl(vio_dbg1_reg); + if (ctx->data->version == 2U) + vio_dbgs.vio_dbg2 = readl(vio_dbg2_reg); + + if (ctx->data->version == 1U) { + /* arch version 1 */ + bus_id = vio_dbgs.dbg0_bits.mstid; + vio_addr = vio_dbgs.vio_dbg1; + domain_id = vio_dbgs.dbg0_bits.dmnid; + vio_w = vio_dbgs.dbg0_bits.vio_w; + vio_r = vio_dbgs.dbg0_bits.vio_r; + } else { + /* arch version 2 */ + bus_id = vio_dbgs.vio_dbg1; + vio_addr = vio_dbgs.vio_dbg2; + domain_id = vio_dbgs.dbg0_bits_ver2.dmnid; + vio_w = vio_dbgs.dbg0_bits_ver2.vio_w; + vio_r = vio_dbgs.dbg0_bits_ver2.vio_r; + } /* Print violation information */ - if (vio_dbgs.dbg0_bits.vio_w) + if (vio_w) dev_info(ctx->dev, "Write Violation\n"); - else if (vio_dbgs.dbg0_bits.vio_r) + else if (vio_r) dev_info(ctx->dev, "Read Violation\n"); dev_info(ctx->dev, "Bus ID:0x%x, Dom ID:0x%x, Vio Addr:0x%x\n", - vio_dbgs.dbg0_bits.mstid, vio_dbgs.dbg0_bits.dmnid, - vio_dbgs.vio_dbg1); + bus_id, domain_id, vio_addr); } /* @@ -219,6 +253,7 @@ static void stop_devapc(struct mtk_devapc_context *ctx) } static const struct mtk_devapc_data devapc_mt6779 = { + .version = 1, .vio_idx_num = 511, .vio_mask_offset = 0x0, .vio_sta_offset = 0x400, -- 2.6.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel