From patchwork Sun Oct 20 13:27:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sky Huang X-Patchwork-Id: 13843074 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 1DF07D3C92D for ; Sun, 20 Oct 2024 13:33:55 +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:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2G1oHhlieHVhAY567gkNMmzlsnu2+sPvTe7p5o7ZsNk=; b=CEqsT30hgoGRvYyfBZ2kFf5W+A TJMBYprQ2goIln8PbApYy2pHW8yqlPI1qPtZPk6dXNvBnUG3YHIy1Mtdimp59Ysy4XESQVu2vU0tU oNpz5u4F7RPELBHyP7krD6skFwsvFdqgYrKd4V05KtS/wq1gKqXXa10rjaJAIKD5uh15n4ov1vZsk CBPX2w4vRh/fDT1ybDymRGW0FG2MgZSOhEkT2AYuO5DSxdrIciTN0VjdQeCV3MWzlO7dl6Hdy0Sfv JiS6QHOHVPfTC/0MLuo5twg7e0KhVyjoDmvbD66BteGZyulRzNFDu6JQ+yusk47mpo0tHSBRM746z 3fB00D/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t2W40-00000004wHa-1d9N; Sun, 20 Oct 2024 13:33:44 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t2VzG-00000004vdj-07po; Sun, 20 Oct 2024 13:28:53 +0000 X-UUID: 3b91e3108ee711ef9048ed6ed365623b-20241020 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=2G1oHhlieHVhAY567gkNMmzlsnu2+sPvTe7p5o7ZsNk=; b=jpyzAVCHpGKDVyz8vX5qobQk0Iy/BG/4AZxBSHZzpLF6NiWwCoPA1CY3Jgz8U5ZOfSsT0tvaXCY0kvBTQyH4yyAsk0IzDtkEbXhTw6x8s1L3mIpnt7G0FNjZ2FfeG/Fbv8eVkJRfwYBftE6e+ARw0CE1OTGhow+KHp60/tUgeWo=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.42,REQID:108a9adc-8b7f-4de6-9e44-1b51ddabe879,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:b0fcdc3,CLOUDID:af255925-9cd9-4037-af6e-f4241b90f84d,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 3b91e3108ee711ef9048ed6ed365623b-20241020 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1982015101; Sun, 20 Oct 2024 06:28:45 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by MTKMBS14N2.mediatek.inc (172.21.101.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Sun, 20 Oct 2024 21:28:42 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Sun, 20 Oct 2024 21:28:42 +0800 From: Sky Huang To: Matthias Brugger , Miquel Raynal , AngeloGioacchino Del Regno , Richard Weinberger , Vignesh Raghavendra , Daniel Golle , Chia-Lin Kao , "Mika Westerberg" , Cheng Ming Lin , , , , CC: Steven Liu , Sky Huang Subject: [RFC PATCH nand/next 3/4] include: mtd: spinand: Add CASN page related macros and flags. Date: Sun, 20 Oct 2024 21:27:21 +0800 Message-ID: <20241020132722.20565-4-SkyLake.Huang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20241020132722.20565-1-SkyLake.Huang@mediatek.com> References: <20241020132722.20565-1-SkyLake.Huang@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--2.446200-8.000000 X-TMASE-MatchedRID: oCsWEly1aNNM4VjZ76ar2LMjW/sniEQKmX+W7bzPOQF+YesuCgkiXJpx JPA5ZIe+2lO9wdJIjwWwYEHOVohSR8a1KU/oEEOPogGd8wIUGIJo3Yq5PCwLAhL6MU7t349bo7e vliYi17DYcB744kzEdqnConkZyCes/Y8bXtyBbJB0CDjJ3XioBPBkYT/50xzWf7dwGsQvXvzIrf 3gn7w8oqP8wcVXpl7OgzXM/1S8rGibGHSBj+j5Wd35+5/2RxqmCv3j7wdXxBibKItl61J/yZ+in TK0bC9eKrauXd3MZDX371moSn0VOL9msMtG43RP5Oy4n7TTsM8D5mBwNiJFK4Dro/jMlndlBrNs Id/ubdefkcesyQmuoXXWg7RXgpNfEi71zuMNe2ygzDosNXeeAhdGg+ZY7eN6THB2Q+oKru8MTI3 4nyF36MJL1aANdU8Knqg/VrSZEiM= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--2.446200-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 7EF0422110CF8F2371BA6587828AFCBCFFF5F5E629928B88ECDE63BE23BB0CB12000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241020_062850_208328_CC139373 X-CRM114-Status: GOOD ( 15.65 ) 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 From: "Sky Huang" This patch adds SPINAND CASN page manipulation macros for SPI-NAND driver to use. Also, some important flag bits, like SPINAND_SUPR_CR(continuous read), are added to show the SPI-NAND device's capability. Signed-off-by: Sky Huang --- include/linux/mtd/spinand.h | 100 +++++++++++++++++++++++++++++++++++- 1 file changed, 98 insertions(+), 2 deletions(-) diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 702e5fb13dae..de97994c357b 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -62,6 +62,59 @@ SPI_MEM_OP_NO_DUMMY, \ SPI_MEM_OP_NO_DATA) +/* Macros for CASN */ +#define SPINAND_CASN_PAGE_READ_FROM_CACHE_OP(fast, naddr, addr, ndummy, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1), \ + SPI_MEM_OP_ADDR(naddr, addr, 1), \ + SPI_MEM_OP_DUMMY(ndummy, 1), \ + SPI_MEM_OP_DATA_IN(len, buf, 1)) + +#define SPINAND_CASN_PAGE_READ_FROM_CACHE_X2_OP(naddr, addr, ndummy, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1), \ + SPI_MEM_OP_ADDR(naddr, addr, 1), \ + SPI_MEM_OP_DUMMY(ndummy, 1), \ + SPI_MEM_OP_DATA_IN(len, buf, 2)) + +#define SPINAND_CASN_PAGE_READ_FROM_CACHE_DUALIO_OP(naddr, addr, ndummy, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1), \ + SPI_MEM_OP_ADDR(naddr, addr, 2), \ + SPI_MEM_OP_DUMMY(ndummy, 2), \ + SPI_MEM_OP_DATA_IN(len, buf, 2)) + +#define SPINAND_CASN_PAGE_READ_FROM_CACHE_X4_OP(naddr, addr, ndummy, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1), \ + SPI_MEM_OP_ADDR(naddr, addr, 1), \ + SPI_MEM_OP_DUMMY(ndummy, 1), \ + SPI_MEM_OP_DATA_IN(len, buf, 4)) + +#define SPINAND_CASN_PAGE_READ_FROM_CACHE_QUADIO_OP(naddr, addr, ndummy, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1), \ + SPI_MEM_OP_ADDR(naddr, addr, 4), \ + SPI_MEM_OP_DUMMY(ndummy, 4), \ + SPI_MEM_OP_DATA_IN(len, buf, 4)) + +#define SPINAND_CASN_PROG_LOAD(reset, naddr, addr, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(reset ? 0x02 : 0x84, 1), \ + SPI_MEM_OP_ADDR(naddr, addr, 1), \ + SPI_MEM_OP_NO_DUMMY, \ + SPI_MEM_OP_DATA_OUT(len, buf, 1)) + +#define SPINAND_CASN_PROG_LOAD_X4(reset, naddr, addr, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(reset ? 0x32 : 0x34, 1), \ + SPI_MEM_OP_ADDR(naddr, addr, 1), \ + SPI_MEM_OP_NO_DUMMY, \ + SPI_MEM_OP_DATA_OUT(len, buf, 4)) + +#define SPINAND_CASN_ADVECC_OP(casn_adv_ecc_status, buf) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(casn_adv_ecc_status.cmd, 1), \ + SPI_MEM_OP_ADDR(casn_adv_ecc_status.addr_nbytes, \ + casn_adv_ecc_status.addr, \ + casn_adv_ecc_status.addr_buswidth), \ + SPI_MEM_OP_DUMMY(casn_adv_ecc_status.dummy_nbytes, \ + casn_adv_ecc_status.dummy_buswidth), \ + SPI_MEM_OP_DATA_IN(casn_adv_ecc_status.status_nbytes, buf, 1)) +/* Macros for CASN end */ + #define SPINAND_PAGE_READ_FROM_CACHE_OP(fast, addr, ndummy, buf, len) \ SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1), \ SPI_MEM_OP_ADDR(2, addr, 1), \ @@ -312,8 +365,11 @@ struct spinand_ecc_info { #define SPINAND_HAS_QE_BIT BIT(0) #define SPINAND_HAS_CR_FEAT_BIT BIT(1) -#define SPINAND_HAS_PROG_PLANE_SELECT_BIT BIT(2) -#define SPINAND_HAS_READ_PLANE_SELECT_BIT BIT(3) +#define SPINAND_SUP_CR BIT(2) +#define SPINAND_SUP_ON_DIE_ECC BIT(3) +#define SPINAND_SUP_LEGACY_ECC_STATUS BIT(4) +#define SPINAND_SUP_ADV_ECC_STATUS BIT(5) +#define SPINAND_ECC_PARITY_READABLE BIT(6) /** * struct spinand_ondie_ecc_conf - private SPI-NAND on-die ECC engine structure @@ -406,6 +462,28 @@ struct spinand_dirmap { struct spi_mem_dirmap_desc *rdesc_ecc; }; +/** + * struct CASN_ADVECC - CASN's advanced ECC description + * @cmd: Command to access SPI-NAND on-chip ECC status registers + * @mask: Mask to access SPI-NAND on-chip ECC status registers. + * ADV_ECC_STATUS->status_nbytes | CASN_ADVECC->mask + * 1 | 0 to 0xff + * 2 | 0 to 0xffff + * @shift: How many bits to shift to get on-chip ECC status + * @pre_op: This comes from CASN page's ADV_ECC_STATUS's pre_op. + * After reading on-chip ECC status, we need to do some math + * operations if this is specified. + * @pre_mask: This comes from CASN page's ADV_ECC_STATUS's pre_mask. + * This is used in companion with pre_op above. + */ +struct CASN_ADVECC { + u8 cmd; + u16 mask; + u8 shift; + u8 pre_op; + u8 pre_mask; +}; + /** * struct spinand_device - SPI NAND device instance * @base: NAND device instance @@ -464,6 +542,23 @@ struct spinand_device { u8 *oobbuf; u8 *scratchbuf; const struct spinand_manufacturer *manufacturer; + + bool use_casn; + struct nand_casn *casn; + struct spi_mem_op *advecc_high_ops; /* ops to read higher part of advanced ECC status*/ + struct spi_mem_op *advecc_low_ops; + struct CASN_OOB *casn_oob; + struct CASN_ADVECC *advecc_high; + struct CASN_ADVECC *advecc_low; + + u8 advecc_low_bitcnt; + u8 advecc_noerr_status; + u8 advecc_uncor_status; + u8 advecc_post_op; + u8 advecc_post_mask; + + size_t (*eccsr_math_op[4])(size_t, size_t); + void *priv; bool cont_read_possible; @@ -539,3 +634,4 @@ int spinand_write_reg_op(struct spinand_device *spinand, u8 reg, u8 val); int spinand_select_target(struct spinand_device *spinand, unsigned int target); #endif /* __LINUX_MTD_SPINAND_H */ +