From patchwork Mon Nov 28 02:06:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiangsheng Hou X-Patchwork-Id: 13056947 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 D5E78C433FE for ; Mon, 28 Nov 2022 02:10:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=RAHYx+yC2L4aeoYHMLJ9WFBo8b/lAMkyPT/4vIdkWEk=; b=UxjsKwmrM+6Z1P1FKzyxcSj5Ug GkZ2Xg6xSdDN1P8BAGYuoF8Deswt8pr3wvqOwveGLhdkr2fhzDHa2tS+CZ910xYloDStM3AEQ/TvV /SRrz4F9b0G3UZOjt0i6r/FQMbsS+oEbKN5D8+XQ5Qa60T3/hHBOyiDX/1Aw/95m73bDZOYgf4cVj WVwS0GRKR7daOJtAZTeemd0i9DcNaYXLmJYppAuaG8j4Gzx9vhp/EVjPlyq0CDiQOugTQENwbRnl+ 08BmS1WUKAPesYgnwCBrXheqnwZicvroLEZo2RvbAPmNCAGnbhVRa1vLB/MComQzy3uNk+fOKqvSJ E7zFQU/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ozTbI-00EpR5-6N; Mon, 28 Nov 2022 02:10:28 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ozTZg-00Eof6-CG; Mon, 28 Nov 2022 02:08:49 +0000 X-UUID: edf32a5f44764cf69fb207177c51f931-20221127 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=RAHYx+yC2L4aeoYHMLJ9WFBo8b/lAMkyPT/4vIdkWEk=; b=TY1jsitmzG9e5n4k6zMMRA+QxALcn4H2+2NghJVQjQbipvdvUkyIItGrwp46MyOzsOXF81BUUOBW96v2YX9Vccgh1zI24zMeKjaWBkpH8o/Go+hazf9bm6i/mN2Xz7gsOKHI4d1bxYaC3bClh950G5mOliULyFghA0SJxx5SLlc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.14,REQID:145e4303-0306-4ed0-a917-f4c985d81118,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:dcaaed0,CLOUDID:67a7721e-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: edf32a5f44764cf69fb207177c51f931-20221127 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 176038048; Sun, 27 Nov 2022 19:08:45 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Mon, 28 Nov 2022 10:07:53 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Mon, 28 Nov 2022 10:07:51 +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 6/9] spi: mtk-snfi: add snfi sample delay and read latency adjustment Date: Mon, 28 Nov 2022 10:06:10 +0800 Message-ID: <20221128020613.14821-7-xiangsheng.hou@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221128020613.14821-1-xiangsheng.hou@mediatek.com> References: <20221128020613.14821-1-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-20221127_180848_490662_AD0FC3F1 X-CRM114-Status: GOOD ( 11.49 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add snfi sample delay and read latency adjustment which can get from dts property. Signed-off-by: Xiangsheng Hou --- drivers/spi/spi-mtk-snfi.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/spi/spi-mtk-snfi.c b/drivers/spi/spi-mtk-snfi.c index 85644308df23..e8587cf2aff2 100644 --- a/drivers/spi/spi-mtk-snfi.c +++ b/drivers/spi/spi-mtk-snfi.c @@ -195,6 +195,8 @@ #define DATA_READ_MODE_X4 2 #define DATA_READ_MODE_DUAL 5 #define DATA_READ_MODE_QUAD 6 +#define DATA_READ_LATCH_LAT GENMASK(9, 8) +#define DATA_READ_LATCH_LAT_S 8 #define PG_LOAD_CUSTOM_EN BIT(7) #define DATARD_CUSTOM_EN BIT(6) #define CS_DESELECT_CYC_S 0 @@ -205,6 +207,7 @@ #define SNF_DLY_CTL3 0x548 #define SFCK_SAM_DLY_S 0 +#define SFCK_SAM_DLY GENMASK(5, 0) #define SNF_STA_CTL1 0x550 #define CUS_PG_DONE BIT(28) @@ -1368,6 +1371,7 @@ static int mtk_snand_probe(struct platform_device *pdev) const struct of_device_id *dev_id; struct spi_controller *ctlr; struct mtk_snand *ms; + u32 val = 0; int ret; dev_id = of_match_node(mtk_snand_ids, np); @@ -1446,6 +1450,15 @@ static int mtk_snand_probe(struct platform_device *pdev) // switch to SNFI mode nfi_write32(ms, SNF_CFG, SPI_MODE); + ret = of_property_read_u32(np, "rx-sample-delay", &val); + if (!ret) + nfi_rmw32(ms, SNF_DLY_CTL3, SFCK_SAM_DLY, val); + + ret = of_property_read_u32(np, "rx-latch-latency", &val); + if (!ret) + nfi_rmw32(ms, SNF_MISC_CTL, DATA_READ_LATCH_LAT, + val << DATA_READ_LATCH_LAT_S); + // setup an initial page format for ops matching page_cache_op template // before ECC is called. ret = mtk_snand_setup_pagefmt(ms, SZ_2K, SZ_64);