From patchwork Mon Dec 2 09:01:46 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Shijie X-Patchwork-Id: 295845 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from casper.infradead.org (unknown [IPv6:2001:770:15f::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id BE1712C0040 for ; Mon, 2 Dec 2013 20:28:49 +1100 (EST) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VnPnt-0006WX-7T; Mon, 02 Dec 2013 09:28:33 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VnPnj-0007cL-41; Mon, 02 Dec 2013 09:28:23 +0000 Received: from co9ehsobe004.messaging.microsoft.com ([207.46.163.27] helo=co9outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VnPnb-0007bT-TI for linux-mtd@lists.infradead.org; Mon, 02 Dec 2013 09:28:16 +0000 Received: from mail89-co9-R.bigfish.com (10.236.132.233) by CO9EHSOBE008.bigfish.com (10.236.130.71) with Microsoft SMTP Server id 14.1.225.22; Mon, 2 Dec 2013 09:27:54 +0000 Received: from mail89-co9 (localhost [127.0.0.1]) by mail89-co9-R.bigfish.com (Postfix) with ESMTP id 11BD1A00238; Mon, 2 Dec 2013 09:27:54 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 3 X-BigFish: VS3(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dc1h1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h2327h2336h1155h) Received: from mail89-co9 (localhost.localdomain [127.0.0.1]) by mail89-co9 (MessageSwitch) id 1385976473282718_10659; Mon, 2 Dec 2013 09:27:53 +0000 (UTC) Received: from CO9EHSMHS020.bigfish.com (unknown [10.236.132.233]) by mail89-co9.bigfish.com (Postfix) with ESMTP id 402C25C003F; Mon, 2 Dec 2013 09:27:53 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CO9EHSMHS020.bigfish.com (10.236.130.30) with Microsoft SMTP Server (TLS) id 14.16.227.3; Mon, 2 Dec 2013 09:27:48 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server (TLS) id 14.3.158.2; Mon, 2 Dec 2013 09:27:47 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id rB29RgEe008763; Mon, 2 Dec 2013 02:27:45 -0700 From: Huang Shijie To: Subject: [PATCH] mtd: nand: parse the Hynix nand which uses <26nm technology Date: Mon, 2 Dec 2013 17:01:46 +0800 Message-ID: <1385974906-29891-1-git-send-email-b32955@freescale.com> X-Mailer: git-send-email 1.7.2.rc3 MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131202_042816_101328_9DBB4D59 X-CRM114-Status: GOOD ( 13.43 ) X-Spam-Score: -4.2 (----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-4.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [207.46.163.27 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Huang Shijie , computersforpeace@gmail.com, linux-mtd@lists.infradead.org, dedekind1@gmail.com X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org The Hynix uses different ID parsing rules for <26nm technology. We should check the id_data[5] for Hynix nand now. This patch adds the parsing code for the Hynix nand which use <26nm technology, and it also parses out the datasheet's minimum required ECC. Tested with H27UBG8T2CTR(8192 + 640). Signed-off-by: Huang Shijie --- drivers/mtd/nand/nand_base.c | 65 +++++++++++++++++++++++++++++++++++++++++- 1 files changed, 64 insertions(+), 1 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index bd39f7b..4dab696 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -3162,7 +3162,7 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip, (((extid >> 1) & 0x04) | (extid & 0x03)); *busw = 0; } else if (id_len == 6 && id_data[0] == NAND_MFR_HYNIX && - !nand_is_slc(chip)) { + !nand_is_slc(chip) && (id_data[5] & 0x7) < 3) { unsigned int tmp; /* Calc pagesize */ @@ -3202,6 +3202,69 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip, else mtd->erasesize = (64 * 1024) << tmp; *busw = 0; + } else if (id_len == 6 && id_data[0] == NAND_MFR_HYNIX && + !nand_is_slc(chip) && (id_data[5] & 0x7) > 3) { + unsigned int tmp; + + /* Calc pagesize */ + mtd->writesize = 4096 << (extid & 0x03); + extid >>= 2; + /* Calc oobsize */ + switch (((extid >> 2) & 0x04) | (extid & 0x03)) { + case 0: + mtd->oobsize = 640; + break; + case 1: + mtd->oobsize = 448; + break; + case 2: + mtd->oobsize = 224; + break; + case 3: + mtd->oobsize = 128; + break; + case 4: + mtd->oobsize = 64; + break; + case 5: + mtd->oobsize = 32; + break; + case 6: + mtd->oobsize = 16; + break; + default: + mtd->oobsize = 640; + break; + } + extid >>= 2; + /* Calc blocksize */ + tmp = ((extid >> 1) & 0x04) | (extid & 0x03); + if (tmp < 0x03) + mtd->erasesize = (128 * 1024) << tmp; + else if (tmp == 0x03) + mtd->erasesize = 768 * 1024; + else + mtd->erasesize = (64 * 1024) << tmp; + + /* ecc info */ + tmp = (id_data[4] >> 4) & 0x7; + + if (tmp < 4) { + chip->ecc_strength_ds = 1 << tmp; + chip->ecc_step_ds = 512; + } else { + chip->ecc_step_ds = 1024; + if (tmp == 4) + chip->ecc_strength_ds = 24; + else if (tmp == 5) + chip->ecc_strength_ds = 32; + else if (tmp == 6) + chip->ecc_strength_ds = 40; + else /* (tmp == 7) */ + chip->ecc_strength_ds = 100; + } + + *busw = 0; } else { /* Calc pagesize */ mtd->writesize = 1024 << (extid & 0x03);