From patchwork Fri May 22 12:15:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 209738 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 585F6C433DF for ; Fri, 22 May 2020 12:15:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37D4E20756 for ; Fri, 22 May 2020 12:15:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UMGkWtsZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729623AbgEVMPd (ORCPT ); Fri, 22 May 2020 08:15:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728889AbgEVMPc (ORCPT ); Fri, 22 May 2020 08:15:32 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BBBB2C05BD43; Fri, 22 May 2020 05:15:31 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id c3so5712456wru.12; Fri, 22 May 2020 05:15:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=MqKlTlI+jL2VDjBfx2LR4RfYSJ6TxxTjbq+FxFCrZBE=; b=UMGkWtsZqgwvlZC8HG1M+DvirXa6xQd1eAxEg7YK3NYlauJmJK+nm+klyoAJ5fm4ql xINQoOWssX8s+UfhANdgsxdaGfszyvCNK3z+E4jHxLPC4oj/C6HbzFIinjMARd+ZPUFk 9i8cSOuwC1LKvCsanROriaFsrX1ZH6kIIM0ykPInG8BbET+OiVPxQbMevV86G6l5D4vD 72+/xkwbokkzeVb+ezhlTkFPBD1A8HntrcZZTtQraWhp7w1L2f7PLddanqQBUx7HSios QcKEedvc8ln2Er7z/DFPdTnOEcnxGUstl5GSTgzCkZq9+Rg5PexDzH9tihNuOQGfB6qy FeBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=MqKlTlI+jL2VDjBfx2LR4RfYSJ6TxxTjbq+FxFCrZBE=; b=AuCxX/wvBN7m+YYH0PHElrP5Jz/DdgQ9AsdfZSMAMqe3U5wkmul4RMxIn/TlsIlNRi vWlMupEu6+k0+5qFUogznkiIZ/87B5E7qStlKD7C6ooVCdixmys22KiaO7P/3T5e7oGY YlT+vOCcEBSJQxVjzzhgKg14fpz4tbbUT9S1B2NTjOl4uVu4BGT9EPwDoemyWs6b2EFb fkz10+15QJPZNsTPDWvaMdGCm8SKgJp4Hgh2lk4MgeDSyzlcJTrj6zOnWEUbrcS+NbfQ PA0HSJPe/qePswKixSS5nA8qNc2PpIsNi6ge7UWOG1ijLhvCs4NT1ohJ8naGXnlEarEi uYpw== X-Gm-Message-State: AOAM533KGtTqJsu8bf5oqZ2Hi830Fm6j93Ung8GQiPuCcizsSPcVzRkQ mIK+yfpJ21J5cno7pf3wH9E= X-Google-Smtp-Source: ABdhPJzUXxfCKPsXkJ8dSLSrdTqxwZ40W15WTWItLVa5Qyf2iMlurFSmuCNwEiT0H0cYs9Coc+eUCg== X-Received: by 2002:adf:ec87:: with SMTP id z7mr3538653wrn.149.1590149730368; Fri, 22 May 2020 05:15:30 -0700 (PDT) Received: from skynet.lan (159.red-83-44-12.dynamicip.rima-tde.net. [83.44.12.159]) by smtp.gmail.com with ESMTPSA id g6sm9293784wrp.75.2020.05.22.05.15.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:15:29 -0700 (PDT) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: computersforpeace@gmail.com, kdasu.kdev@gmail.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, sumit.semwal@linaro.org, linux-mtd@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= Subject: [PATCH v4 3/5] mtd: rawnand: brcmnand: rename page sizes Date: Fri, 22 May 2020 14:15:22 +0200 Message-Id: <20200522121524.4161539-4-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200522121524.4161539-1-noltari@gmail.com> References: <20200522072525.3919332-1-noltari@gmail.com> <20200522121524.4161539-1-noltari@gmail.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Current pages sizes apply to controllers after v3.4 Signed-off-by: Álvaro Fernández Rojas --- v4: no changes. v3: no changes. v2: add new patch. drivers/mtd/nand/raw/brcmnand/brcmnand.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 72b268d8e3a4..ef60dbbeac2b 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -571,7 +571,7 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) { static const unsigned int block_sizes_v6[] = { 8, 16, 128, 256, 512, 1024, 2048, 0 }; static const unsigned int block_sizes_v4[] = { 16, 128, 8, 512, 256, 1024, 2048, 0 }; - static const unsigned int page_sizes[] = { 512, 2048, 4096, 8192, 0 }; + static const unsigned int page_sizes_v3_4[] = { 512, 2048, 4096, 8192, 0 }; ctrl->nand_version = nand_readreg(ctrl, 0) & 0xffff; @@ -618,7 +618,7 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) ctrl->max_page_size = 16 * 1024; ctrl->max_block_size = 2 * 1024 * 1024; } else { - ctrl->page_sizes = page_sizes; + ctrl->page_sizes = page_sizes_v3_4; if (ctrl->nand_version >= 0x0600) ctrl->block_sizes = block_sizes_v6; else From patchwork Fri May 22 12:15:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= X-Patchwork-Id: 209739 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2AE7C433E0 for ; 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[83.44.12.159]) by smtp.gmail.com with ESMTPSA id g6sm9293784wrp.75.2020.05.22.05.15.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:15:32 -0700 (PDT) From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= To: computersforpeace@gmail.com, kdasu.kdev@gmail.com, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, sumit.semwal@linaro.org, linux-mtd@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= Subject: [PATCH v4 5/5] mtd: rawnand: brcmnand: support v2.1-v2.2 controllers Date: Fri, 22 May 2020 14:15:24 +0200 Message-Id: <20200522121524.4161539-6-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200522121524.4161539-1-noltari@gmail.com> References: <20200522072525.3919332-1-noltari@gmail.com> <20200522121524.4161539-1-noltari@gmail.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org v2.1: tested on Netgear DGND3700v1 (BCM6368) v2.2: tested on Netgear DGND3700v2 (BCM6362) Signed-off-by: Álvaro Fernández Rojas --- v4: use proper commit subject. v3: fix page size shift for v2.1 controllers. v2: split page sizes rename into a different patch. name all block and page sizes versions. drivers/mtd/nand/raw/brcmnand/brcmnand.c | 85 +++++++++++++++++++++--- 1 file changed, 76 insertions(+), 9 deletions(-) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index ef60dbbeac2b..2c8a468c2e38 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -264,6 +264,7 @@ struct brcmnand_controller { const unsigned int *block_sizes; unsigned int max_page_size; const unsigned int *page_sizes; + unsigned int page_size_shift; unsigned int max_oob; u32 features; @@ -338,6 +339,36 @@ enum brcmnand_reg { BRCMNAND_FC_BASE, }; +/* BRCMNAND v2.1-v2.2 */ +static const u16 brcmnand_regs_v21[] = { + [BRCMNAND_CMD_START] = 0x04, + [BRCMNAND_CMD_EXT_ADDRESS] = 0x08, + [BRCMNAND_CMD_ADDRESS] = 0x0c, + [BRCMNAND_INTFC_STATUS] = 0x5c, + [BRCMNAND_CS_SELECT] = 0x14, + [BRCMNAND_CS_XOR] = 0x18, + [BRCMNAND_LL_OP] = 0, + [BRCMNAND_CS0_BASE] = 0x40, + [BRCMNAND_CS1_BASE] = 0, + [BRCMNAND_CORR_THRESHOLD] = 0, + [BRCMNAND_CORR_THRESHOLD_EXT] = 0, + [BRCMNAND_UNCORR_COUNT] = 0, + [BRCMNAND_CORR_COUNT] = 0, + [BRCMNAND_CORR_EXT_ADDR] = 0x60, + [BRCMNAND_CORR_ADDR] = 0x64, + [BRCMNAND_UNCORR_EXT_ADDR] = 0x68, + [BRCMNAND_UNCORR_ADDR] = 0x6c, + [BRCMNAND_SEMAPHORE] = 0x50, + [BRCMNAND_ID] = 0x54, + [BRCMNAND_ID_EXT] = 0, + [BRCMNAND_LL_RDATA] = 0, + [BRCMNAND_OOB_READ_BASE] = 0x20, + [BRCMNAND_OOB_READ_10_BASE] = 0, + [BRCMNAND_OOB_WRITE_BASE] = 0x30, + [BRCMNAND_OOB_WRITE_10_BASE] = 0, + [BRCMNAND_FC_BASE] = 0x200, +}; + /* BRCMNAND v3.3-v4.0 */ static const u16 brcmnand_regs_v33[] = { [BRCMNAND_CMD_START] = 0x04, @@ -536,6 +567,9 @@ enum { CFG_BUS_WIDTH = BIT(CFG_BUS_WIDTH_SHIFT), CFG_DEVICE_SIZE_SHIFT = 24, + /* Only for v2.1 */ + CFG_PAGE_SIZE_SHIFT_v2_1 = 30, + /* Only for pre-v7.1 (with no CFG_EXT register) */ CFG_PAGE_SIZE_SHIFT = 20, CFG_BLK_SIZE_SHIFT = 28, @@ -571,12 +605,16 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) { static const unsigned int block_sizes_v6[] = { 8, 16, 128, 256, 512, 1024, 2048, 0 }; static const unsigned int block_sizes_v4[] = { 16, 128, 8, 512, 256, 1024, 2048, 0 }; + static const unsigned int block_sizes_v2_2[] = { 16, 128, 8, 512, 256, 0 }; + static const unsigned int block_sizes_v2_1[] = { 16, 128, 8, 512, 0 }; static const unsigned int page_sizes_v3_4[] = { 512, 2048, 4096, 8192, 0 }; + static const unsigned int page_sizes_v2_2[] = { 512, 2048, 4096, 0 }; + static const unsigned int page_sizes_v2_1[] = { 512, 2048, 0 }; ctrl->nand_version = nand_readreg(ctrl, 0) & 0xffff; - /* Only support v4.0+? */ - if (ctrl->nand_version < 0x0400) { + /* Only support v2.1+ */ + if (ctrl->nand_version < 0x0201) { dev_err(ctrl->dev, "version %#x not supported\n", ctrl->nand_version); return -ENODEV; @@ -593,6 +631,8 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) ctrl->reg_offsets = brcmnand_regs_v50; else if (ctrl->nand_version >= 0x0303) ctrl->reg_offsets = brcmnand_regs_v33; + else if (ctrl->nand_version >= 0x0201) + ctrl->reg_offsets = brcmnand_regs_v21; /* Chip-select stride */ if (ctrl->nand_version >= 0x0701) @@ -618,14 +658,32 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl) ctrl->max_page_size = 16 * 1024; ctrl->max_block_size = 2 * 1024 * 1024; } else { - ctrl->page_sizes = page_sizes_v3_4; + if (ctrl->nand_version >= 0x0304) + ctrl->page_sizes = page_sizes_v3_4; + else if (ctrl->nand_version >= 0x0202) + ctrl->page_sizes = page_sizes_v2_2; + else + ctrl->page_sizes = page_sizes_v2_1; + + if (ctrl->nand_version >= 0x0202) + ctrl->page_size_shift = CFG_PAGE_SIZE_SHIFT; + else + ctrl->page_size_shift = CFG_PAGE_SIZE_SHIFT_v2_1; + if (ctrl->nand_version >= 0x0600) ctrl->block_sizes = block_sizes_v6; - else + else if (ctrl->nand_version >= 0x0400) ctrl->block_sizes = block_sizes_v4; + else if (ctrl->nand_version >= 0x0202) + ctrl->block_sizes = block_sizes_v2_2; + else + ctrl->block_sizes = block_sizes_v2_1; if (ctrl->nand_version < 0x0400) { - ctrl->max_page_size = 4096; + if (ctrl->nand_version < 0x0202) + ctrl->max_page_size = 2048; + else + ctrl->max_page_size = 4096; ctrl->max_block_size = 512 * 1024; } } @@ -811,6 +869,9 @@ static void brcmnand_wr_corr_thresh(struct brcmnand_host *host, u8 val) enum brcmnand_reg reg = BRCMNAND_CORR_THRESHOLD; int cs = host->cs; + if (!ctrl->reg_offsets[reg]) + return; + if (ctrl->nand_version == 0x0702) bits = 7; else if (ctrl->nand_version >= 0x0600) @@ -869,8 +930,10 @@ static inline u32 brcmnand_spare_area_mask(struct brcmnand_controller *ctrl) return GENMASK(7, 0); else if (ctrl->nand_version >= 0x0600) return GENMASK(6, 0); - else + else if (ctrl->nand_version >= 0x0303) return GENMASK(5, 0); + else + return GENMASK(4, 0); } #define NAND_ACC_CONTROL_ECC_SHIFT 16 @@ -2378,7 +2441,7 @@ static int brcmnand_set_cfg(struct brcmnand_host *host, (!!(cfg->device_width == 16) << CFG_BUS_WIDTH_SHIFT) | (device_size << CFG_DEVICE_SIZE_SHIFT); if (cfg_offs == cfg_ext_offs) { - tmp |= (page_size << CFG_PAGE_SIZE_SHIFT) | + tmp |= (page_size << ctrl->page_size_shift) | (block_size << CFG_BLK_SIZE_SHIFT); nand_writereg(ctrl, cfg_offs, tmp); } else { @@ -2390,9 +2453,11 @@ static int brcmnand_set_cfg(struct brcmnand_host *host, tmp = nand_readreg(ctrl, acc_control_offs); tmp &= ~brcmnand_ecc_level_mask(ctrl); - tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT; tmp &= ~brcmnand_spare_area_mask(ctrl); - tmp |= cfg->spare_area_size; + if (ctrl->nand_version >= 0x0302) { + tmp |= cfg->ecc_level << NAND_ACC_CONTROL_ECC_SHIFT; + tmp |= cfg->spare_area_size; + } nand_writereg(ctrl, acc_control_offs, tmp); brcmnand_set_sector_size_1k(host, cfg->sector_size_1k); @@ -2766,6 +2831,8 @@ const struct dev_pm_ops brcmnand_pm_ops = { EXPORT_SYMBOL_GPL(brcmnand_pm_ops); static const struct of_device_id brcmnand_of_match[] = { + { .compatible = "brcm,brcmnand-v2.1" }, + { .compatible = "brcm,brcmnand-v2.2" }, { .compatible = "brcm,brcmnand-v4.0" }, { .compatible = "brcm,brcmnand-v5.0" }, { .compatible = "brcm,brcmnand-v6.0" },