From patchwork Tue Sep 6 10:39:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 9316365 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CBE3E607D3 for ; Tue, 6 Sep 2016 10:45:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD5EE28C69 for ; Tue, 6 Sep 2016 10:45:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B219C28C6D; Tue, 6 Sep 2016 10:45:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DDF0A28C69 for ; Tue, 6 Sep 2016 10:45:49 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bhDr5-000508-VK; Tue, 06 Sep 2016 10:43:52 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bhDnJ-0000qE-VT for linux-arm-kernel@bombadil.infradead.org; Tue, 06 Sep 2016 10:39:58 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bhDnF-0007uk-Fi for linux-arm-kernel@lists.infradead.org; Tue, 06 Sep 2016 10:39:56 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1bhDme-00021x-Sl; Tue, 06 Sep 2016 12:39:16 +0200 Received: from sha by dude.hi.pengutronix.de with local (Exim 4.87) (envelope-from ) id 1bhDme-0000pr-Hu; Tue, 06 Sep 2016 12:39:16 +0200 From: Sascha Hauer To: linux-mtd@lists.infradead.org Subject: [PATCH 3/7] mtd: nand: convert ONFI mode into data interface Date: Tue, 6 Sep 2016 12:39:11 +0200 Message-Id: <1473158355-22451-4-git-send-email-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1473158355-22451-1-git-send-email-s.hauer@pengutronix.de> References: <1473158355-22451-1-git-send-email-s.hauer@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160906_063954_063551_9C4EEA31 X-CRM114-Status: GOOD ( 16.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Boris Brezillon , Sascha Hauer , linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP struct nand_data_interface is the designated type to pass to the NAND drivers to configure the timing. To simplify this introduce onfi_async_timing_mode_to_data_interface() to convert a ONFI mode into a nand_data_interface. Signed-off-by: Sascha Hauer --- drivers/mtd/nand/nand_timings.c | 444 +++++++++++++++++++++------------------- include/linux/mtd/nand.h | 2 + 2 files changed, 240 insertions(+), 206 deletions(-) diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/nand_timings.c index e81470a..260b074 100644 --- a/drivers/mtd/nand/nand_timings.c +++ b/drivers/mtd/nand/nand_timings.c @@ -13,228 +13,246 @@ #include #include -static const struct nand_sdr_timings onfi_sdr_timings[] = { +static const struct nand_data_interface onfi_sdr_timings[] = { /* Mode 0 */ { - .tADL_min = 200000, - .tALH_min = 20000, - .tALS_min = 50000, - .tAR_min = 25000, - .tCEA_max = 100000, - .tCEH_min = 20000, - .tCH_min = 20000, - .tCHZ_max = 100000, - .tCLH_min = 20000, - .tCLR_min = 20000, - .tCLS_min = 50000, - .tCOH_min = 0, - .tCS_min = 70000, - .tDH_min = 20000, - .tDS_min = 40000, - .tFEAT_max = 1000000, - .tIR_min = 10000, - .tITC_max = 1000000, - .tRC_min = 100000, - .tREA_max = 40000, - .tREH_min = 30000, - .tRHOH_min = 0, - .tRHW_min = 200000, - .tRHZ_max = 200000, - .tRLOH_min = 0, - .tRP_min = 50000, - .tRST_max = 250000000000ULL, - .tWB_max = 200000, - .tRR_min = 40000, - .tWC_min = 100000, - .tWH_min = 30000, - .tWHR_min = 120000, - .tWP_min = 50000, - .tWW_min = 100000, + .type = NAND_SDR_IFACE, + .timings.sdr = { + .tADL_min = 200000, + .tALH_min = 20000, + .tALS_min = 50000, + .tAR_min = 25000, + .tCEA_max = 100000, + .tCEH_min = 20000, + .tCH_min = 20000, + .tCHZ_max = 100000, + .tCLH_min = 20000, + .tCLR_min = 20000, + .tCLS_min = 50000, + .tCOH_min = 0, + .tCS_min = 70000, + .tDH_min = 20000, + .tDS_min = 40000, + .tFEAT_max = 1000000, + .tIR_min = 10000, + .tITC_max = 1000000, + .tRC_min = 100000, + .tREA_max = 40000, + .tREH_min = 30000, + .tRHOH_min = 0, + .tRHW_min = 200000, + .tRHZ_max = 200000, + .tRLOH_min = 0, + .tRP_min = 50000, + .tRST_max = 250000000000ULL, + .tWB_max = 200000, + .tRR_min = 40000, + .tWC_min = 100000, + .tWH_min = 30000, + .tWHR_min = 120000, + .tWP_min = 50000, + .tWW_min = 100000, + }, }, /* Mode 1 */ { - .tADL_min = 100000, - .tALH_min = 10000, - .tALS_min = 25000, - .tAR_min = 10000, - .tCEA_max = 45000, - .tCEH_min = 20000, - .tCH_min = 10000, - .tCHZ_max = 50000, - .tCLH_min = 10000, - .tCLR_min = 10000, - .tCLS_min = 25000, - .tCOH_min = 15000, - .tCS_min = 35000, - .tDH_min = 10000, - .tDS_min = 20000, - .tFEAT_max = 1000000, - .tIR_min = 0, - .tITC_max = 1000000, - .tRC_min = 50000, - .tREA_max = 30000, - .tREH_min = 15000, - .tRHOH_min = 15000, - .tRHW_min = 100000, - .tRHZ_max = 100000, - .tRLOH_min = 0, - .tRP_min = 25000, - .tRR_min = 20000, - .tRST_max = 500000000, - .tWB_max = 100000, - .tWC_min = 45000, - .tWH_min = 15000, - .tWHR_min = 80000, - .tWP_min = 25000, - .tWW_min = 100000, + .type = NAND_SDR_IFACE, + .timings.sdr = { + .tADL_min = 100000, + .tALH_min = 10000, + .tALS_min = 25000, + .tAR_min = 10000, + .tCEA_max = 45000, + .tCEH_min = 20000, + .tCH_min = 10000, + .tCHZ_max = 50000, + .tCLH_min = 10000, + .tCLR_min = 10000, + .tCLS_min = 25000, + .tCOH_min = 15000, + .tCS_min = 35000, + .tDH_min = 10000, + .tDS_min = 20000, + .tFEAT_max = 1000000, + .tIR_min = 0, + .tITC_max = 1000000, + .tRC_min = 50000, + .tREA_max = 30000, + .tREH_min = 15000, + .tRHOH_min = 15000, + .tRHW_min = 100000, + .tRHZ_max = 100000, + .tRLOH_min = 0, + .tRP_min = 25000, + .tRR_min = 20000, + .tRST_max = 500000000, + .tWB_max = 100000, + .tWC_min = 45000, + .tWH_min = 15000, + .tWHR_min = 80000, + .tWP_min = 25000, + .tWW_min = 100000, + }, }, /* Mode 2 */ { - .tADL_min = 100000, - .tALH_min = 10000, - .tALS_min = 15000, - .tAR_min = 10000, - .tCEA_max = 30000, - .tCEH_min = 20000, - .tCH_min = 10000, - .tCHZ_max = 50000, - .tCLH_min = 10000, - .tCLR_min = 10000, - .tCLS_min = 15000, - .tCOH_min = 15000, - .tCS_min = 25000, - .tDH_min = 5000, - .tDS_min = 15000, - .tFEAT_max = 1000000, - .tIR_min = 0, - .tITC_max = 1000000, - .tRC_min = 35000, - .tREA_max = 25000, - .tREH_min = 15000, - .tRHOH_min = 15000, - .tRHW_min = 100000, - .tRHZ_max = 100000, - .tRLOH_min = 0, - .tRR_min = 20000, - .tRST_max = 500000000, - .tWB_max = 100000, - .tRP_min = 17000, - .tWC_min = 35000, - .tWH_min = 15000, - .tWHR_min = 80000, - .tWP_min = 17000, - .tWW_min = 100000, + .type = NAND_SDR_IFACE, + .timings.sdr = { + .tADL_min = 100000, + .tALH_min = 10000, + .tALS_min = 15000, + .tAR_min = 10000, + .tCEA_max = 30000, + .tCEH_min = 20000, + .tCH_min = 10000, + .tCHZ_max = 50000, + .tCLH_min = 10000, + .tCLR_min = 10000, + .tCLS_min = 15000, + .tCOH_min = 15000, + .tCS_min = 25000, + .tDH_min = 5000, + .tDS_min = 15000, + .tFEAT_max = 1000000, + .tIR_min = 0, + .tITC_max = 1000000, + .tRC_min = 35000, + .tREA_max = 25000, + .tREH_min = 15000, + .tRHOH_min = 15000, + .tRHW_min = 100000, + .tRHZ_max = 100000, + .tRLOH_min = 0, + .tRR_min = 20000, + .tRST_max = 500000000, + .tWB_max = 100000, + .tRP_min = 17000, + .tWC_min = 35000, + .tWH_min = 15000, + .tWHR_min = 80000, + .tWP_min = 17000, + .tWW_min = 100000, + }, }, /* Mode 3 */ { - .tADL_min = 100000, - .tALH_min = 5000, - .tALS_min = 10000, - .tAR_min = 10000, - .tCEA_max = 25000, - .tCEH_min = 20000, - .tCH_min = 5000, - .tCHZ_max = 50000, - .tCLH_min = 5000, - .tCLR_min = 10000, - .tCLS_min = 10000, - .tCOH_min = 15000, - .tCS_min = 25000, - .tDH_min = 5000, - .tDS_min = 10000, - .tFEAT_max = 1000000, - .tIR_min = 0, - .tITC_max = 1000000, - .tRC_min = 30000, - .tREA_max = 20000, - .tREH_min = 10000, - .tRHOH_min = 15000, - .tRHW_min = 100000, - .tRHZ_max = 100000, - .tRLOH_min = 0, - .tRP_min = 15000, - .tRR_min = 20000, - .tRST_max = 500000000, - .tWB_max = 100000, - .tWC_min = 30000, - .tWH_min = 10000, - .tWHR_min = 80000, - .tWP_min = 15000, - .tWW_min = 100000, + .type = NAND_SDR_IFACE, + .timings.sdr = { + .tADL_min = 100000, + .tALH_min = 5000, + .tALS_min = 10000, + .tAR_min = 10000, + .tCEA_max = 25000, + .tCEH_min = 20000, + .tCH_min = 5000, + .tCHZ_max = 50000, + .tCLH_min = 5000, + .tCLR_min = 10000, + .tCLS_min = 10000, + .tCOH_min = 15000, + .tCS_min = 25000, + .tDH_min = 5000, + .tDS_min = 10000, + .tFEAT_max = 1000000, + .tIR_min = 0, + .tITC_max = 1000000, + .tRC_min = 30000, + .tREA_max = 20000, + .tREH_min = 10000, + .tRHOH_min = 15000, + .tRHW_min = 100000, + .tRHZ_max = 100000, + .tRLOH_min = 0, + .tRP_min = 15000, + .tRR_min = 20000, + .tRST_max = 500000000, + .tWB_max = 100000, + .tWC_min = 30000, + .tWH_min = 10000, + .tWHR_min = 80000, + .tWP_min = 15000, + .tWW_min = 100000, + }, }, /* Mode 4 */ { - .tADL_min = 70000, - .tALH_min = 5000, - .tALS_min = 10000, - .tAR_min = 10000, - .tCEA_max = 25000, - .tCEH_min = 20000, - .tCH_min = 5000, - .tCHZ_max = 30000, - .tCLH_min = 5000, - .tCLR_min = 10000, - .tCLS_min = 10000, - .tCOH_min = 15000, - .tCS_min = 20000, - .tDH_min = 5000, - .tDS_min = 10000, - .tFEAT_max = 1000000, - .tIR_min = 0, - .tITC_max = 1000000, - .tRC_min = 25000, - .tREA_max = 20000, - .tREH_min = 10000, - .tRHOH_min = 15000, - .tRHW_min = 100000, - .tRHZ_max = 100000, - .tRLOH_min = 5000, - .tRP_min = 12000, - .tRR_min = 20000, - .tRST_max = 500000000, - .tWB_max = 100000, - .tWC_min = 25000, - .tWH_min = 10000, - .tWHR_min = 80000, - .tWP_min = 12000, - .tWW_min = 100000, + .type = NAND_SDR_IFACE, + .timings.sdr = { + .tADL_min = 70000, + .tALH_min = 5000, + .tALS_min = 10000, + .tAR_min = 10000, + .tCEA_max = 25000, + .tCEH_min = 20000, + .tCH_min = 5000, + .tCHZ_max = 30000, + .tCLH_min = 5000, + .tCLR_min = 10000, + .tCLS_min = 10000, + .tCOH_min = 15000, + .tCS_min = 20000, + .tDH_min = 5000, + .tDS_min = 10000, + .tFEAT_max = 1000000, + .tIR_min = 0, + .tITC_max = 1000000, + .tRC_min = 25000, + .tREA_max = 20000, + .tREH_min = 10000, + .tRHOH_min = 15000, + .tRHW_min = 100000, + .tRHZ_max = 100000, + .tRLOH_min = 5000, + .tRP_min = 12000, + .tRR_min = 20000, + .tRST_max = 500000000, + .tWB_max = 100000, + .tWC_min = 25000, + .tWH_min = 10000, + .tWHR_min = 80000, + .tWP_min = 12000, + .tWW_min = 100000, + }, }, /* Mode 5 */ { - .tADL_min = 70000, - .tALH_min = 5000, - .tALS_min = 10000, - .tAR_min = 10000, - .tCEA_max = 25000, - .tCEH_min = 20000, - .tCH_min = 5000, - .tCHZ_max = 30000, - .tCLH_min = 5000, - .tCLR_min = 10000, - .tCLS_min = 10000, - .tCOH_min = 15000, - .tCS_min = 15000, - .tDH_min = 5000, - .tDS_min = 7000, - .tFEAT_max = 1000000, - .tIR_min = 0, - .tITC_max = 1000000, - .tRC_min = 20000, - .tREA_max = 16000, - .tREH_min = 7000, - .tRHOH_min = 15000, - .tRHW_min = 100000, - .tRHZ_max = 100000, - .tRLOH_min = 5000, - .tRP_min = 10000, - .tRR_min = 20000, - .tRST_max = 500000000, - .tWB_max = 100000, - .tWC_min = 20000, - .tWH_min = 7000, - .tWHR_min = 80000, - .tWP_min = 10000, - .tWW_min = 100000, + .type = NAND_SDR_IFACE, + .timings.sdr = { + .tADL_min = 70000, + .tALH_min = 5000, + .tALS_min = 10000, + .tAR_min = 10000, + .tCEA_max = 25000, + .tCEH_min = 20000, + .tCH_min = 5000, + .tCHZ_max = 30000, + .tCLH_min = 5000, + .tCLR_min = 10000, + .tCLS_min = 10000, + .tCOH_min = 15000, + .tCS_min = 15000, + .tDH_min = 5000, + .tDS_min = 7000, + .tFEAT_max = 1000000, + .tIR_min = 0, + .tITC_max = 1000000, + .tRC_min = 20000, + .tREA_max = 16000, + .tREH_min = 7000, + .tRHOH_min = 15000, + .tRHW_min = 100000, + .tRHZ_max = 100000, + .tRLOH_min = 5000, + .tRP_min = 10000, + .tRR_min = 20000, + .tRST_max = 500000000, + .tWB_max = 100000, + .tWC_min = 20000, + .tWH_min = 7000, + .tWHR_min = 80000, + .tWP_min = 10000, + .tWW_min = 100000, + }, }, }; @@ -248,6 +266,20 @@ const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode) if (mode < 0 || mode >= ARRAY_SIZE(onfi_sdr_timings)) return ERR_PTR(-EINVAL); - return &onfi_sdr_timings[mode]; + return &onfi_sdr_timings[mode].timings.sdr; } EXPORT_SYMBOL(onfi_async_timing_mode_to_sdr_timings); + +/** + * onfi_async_timing_mode_to_data_interface - [NAND Interface] Retrieve NAND + * data interface according to the given ONFI timing mode + * @mode: ONFI timing mode + */ +const struct nand_data_interface *onfi_async_timing_mode_to_data_interface(int mode) +{ + if (mode < 0 || mode >= ARRAY_SIZE(onfi_sdr_timings)) + return ERR_PTR(-EINVAL); + + return &onfi_sdr_timings[mode]; +} +EXPORT_SYMBOL(onfi_async_timing_mode_to_data_interface); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 19c73ef..a8bdf6c 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -1088,6 +1088,8 @@ static inline int jedec_feature(struct nand_chip *chip) /* get timing characteristics from ONFI timing mode. */ const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode); +/* get data interface from ONFI timing mode. */ +const struct nand_data_interface *onfi_async_timing_mode_to_data_interface(int mode); int nand_check_erased_ecc_chunk(void *data, int datalen, void *ecc, int ecclen,