From patchwork Mon Dec 5 06:57:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiangsheng Hou X-Patchwork-Id: 13064173 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AC9D9C47089 for ; Mon, 5 Dec 2022 07:00:34 +0000 (UTC) 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=xV/Yq/mF3yqJ2+nj14389wJafW+0HwBSQL/xqi0KPRc=; b=1rQQyGA8yyJalT qXOfEi8EO5mizxalXjpa+iV5VPW3t3mIDkM4Q6Bh/QGsNRypqYdeIT5v0kAwGsL+wo4QqnpxRS118 L6hzH4pfLo6wIBQv9+W3RlqHpaIvYACrneiYI/P5MLkj0QEA2cgAC8/W7PBVIMSMEFYudA8JIMOZE vYmUv9ERACvSkT06QPcRdxtJDQdqT3HovGdRFOD65ZCDuZ9tk1awpLCBAlfSczz6eDKkKixRgyIFp MWOOKL+BvQnAn83q33jY8OxpzdE+1/595kFAXmcgS8WX9r41GFfsPTVN6GG8kfnc6PJrAYwroZwwh dvTht9Y0xAKlBprhGNDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p25Rl-00FEBj-A9; Mon, 05 Dec 2022 06:59:25 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p25RK-00FDL4-5C; Mon, 05 Dec 2022 06:59:00 +0000 X-UUID: 5e57ddc8ee534aef8b374b2529e4d83a-20221204 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Lzw4oSEiFeMdkofxiQoJmN6XMwM8R/ZldMoLGp/LTVE=; b=tgv+VW32vFcT26eLQOv8uMKFJIQDpXlQlapfQQEG9kM9oFWPy7yQ4FEDMggpsy4LoXYJDlCxoejzxQ6/+opS0K4BhDcZkq2Zd7q74R0B3NSTrgMDXCisBFc7zMOFUn+XVkpGYFA+xI/0CGncecU7p413UX8PQXgtpvxDteSv6ps=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.14,REQID:8a86ec4c-7d4b-4250-8153-b036fc406faa,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:dcaaed0,CLOUDID:afa5291f-5e1d-4ab5-ab8e-3e04efc02b30,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 5e57ddc8ee534aef8b374b2529e4d83a-20221204 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 776946670; Sun, 04 Dec 2022 23:58:48 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Mon, 5 Dec 2022 14:58:12 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Mon, 5 Dec 2022 14:58:11 +0800 From: Xiangsheng Hou To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Mark Brown , Chuanhong Guo CC: Xiangsheng Hou , , , , , , , , Subject: [PATCH v2 4/9] mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC Date: Mon, 5 Dec 2022 14:57:51 +0800 Message-ID: <20221205065756.26875-5-xiangsheng.hou@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221205065756.26875-1-xiangsheng.hou@mediatek.com> References: <20221205065756.26875-1-xiangsheng.hou@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-20221204_225858_218286_BE6C9C86 X-CRM114-Status: UNSURE ( 9.29 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add ECC support fot MT7986 IC. Signed-off-by: Xiangsheng Hou --- drivers/mtd/nand/ecc-mtk.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/mtd/nand/ecc-mtk.c b/drivers/mtd/nand/ecc-mtk.c index 9f9b201fe706..c2f6cfa76a04 100644 --- a/drivers/mtd/nand/ecc-mtk.c +++ b/drivers/mtd/nand/ecc-mtk.c @@ -79,6 +79,10 @@ static const u8 ecc_strength_mt7622[] = { 4, 6, 8, 10, 12 }; +static const u8 ecc_strength_mt7986[] = { + 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24 +}; + enum mtk_ecc_regs { ECC_ENCPAR00, ECC_ENCIRQ_EN, @@ -483,6 +487,17 @@ static const struct mtk_ecc_caps mtk_ecc_caps_mt7622 = { .pg_irq_sel = 0, }; +static const struct mtk_ecc_caps mtk_ecc_caps_mt7986 = { + .err_mask = 0x1f, + .err_shift = 8, + .ecc_strength = ecc_strength_mt7986, + .ecc_regs = mt2712_ecc_regs, + .num_ecc_strength = 11, + .ecc_mode_shift = 5, + .parity_bits = 14, + .pg_irq_sel = 1, +}; + static const struct of_device_id mtk_ecc_dt_match[] = { { .compatible = "mediatek,mt2701-ecc", @@ -493,6 +508,9 @@ static const struct of_device_id mtk_ecc_dt_match[] = { }, { .compatible = "mediatek,mt7622-ecc", .data = &mtk_ecc_caps_mt7622, + }, { + .compatible = "mediatek,mt7986-ecc", + .data = &mtk_ecc_caps_mt7986, }, {}, };