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[83.49.57.198]) by smtp.gmail.com with ESMTPSA id d9sm5961197wmd.10.2020.05.12.00.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2020 00:33:39 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= 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 Subject: [PATCH v2 5/5] mtd: rawnand: brcmnand: support v2.1-v2.2 controllers Date: Tue, 12 May 2020 09:33:29 +0200 Message-Id: <20200512073329.742893-6-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200512073329.742893-1-noltari@gmail.com> References: <20200510151406.2527856-1-noltari@gmail.com> <20200512073329.742893-1-noltari@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( 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[83.49.57.198]) by smtp.gmail.com with ESMTPSA id d9sm5961197wmd.10.2020.05.12.00.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2020 00:33:39 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= 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 Subject: [PATCH v2 5/5] mtd: rawnand: brcmnand: support v2.1-v2.2 controllers Date: Tue, 12 May 2020 09:33:29 +0200 Message-Id: <20200512073329.742893-6-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200512073329.742893-1-noltari@gmail.com> References: <20200510151406.2527856-1-noltari@gmail.com> <20200512073329.742893-1-noltari@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 13 May 2020 09:09:29 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" VGVzdGVkIG9uIE5ldGdlYXIgREdORDM3MDB2MiAoQkNNNjM2MiB3aXRoIHYyLjIgY29udHJvbGxl cikuCgpTaWduZWQtb2ZmLWJ5OiDDgWx2YXJvIEZlcm7DoW5kZXogUm9qYXMgPG5vbHRhcmlAZ21h aWwuY29tPgotLS0KIHYyOiBzcGxpdCBwYWdlIHNpemVzIHJlbmFtZSBpbnRvIGEgZGlmZmVyZW50 IHBhdGNoLgogICAgIG5hbWUgYWxsIGJsb2NrIGFuZCBwYWdlIHNpemVzIHZlcnNpb25zLgoKIGRy aXZlcnMvbXRkL25hbmQvcmF3L2JyY21uYW5kL2JyY21uYW5kLmMgfCA3NCArKysrKysrKysrKysr KysrKysrKystLS0KIDEgZmlsZSBjaGFuZ2VkLCA2NiBpbnNlcnRpb25zKCspLCA4IGRlbGV0aW9u cygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbXRkL25hbmQvcmF3L2JyY21uYW5kL2JyY21uYW5k 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[83.49.57.198]) by smtp.gmail.com with ESMTPSA id d9sm5961197wmd.10.2020.05.12.00.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2020 00:33:39 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= 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=20Fern=C3=A1ndez=20Rojas?= Subject: [PATCH v2 5/5] mtd: rawnand: brcmnand: support v2.1-v2.2 controllers Date: Tue, 12 May 2020 09:33:29 +0200 Message-Id: <20200512073329.742893-6-noltari@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200512073329.742893-1-noltari@gmail.com> References: <20200510151406.2527856-1-noltari@gmail.com> <20200512073329.742893-1-noltari@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Tested on Netgear DGND3700v2 (BCM6362 with v2.2 controller). Signed-off-by: Álvaro Fernández Rojas --- v2: split page sizes rename into a different patch. name all block and page sizes versions. drivers/mtd/nand/raw/brcmnand/brcmnand.c | 74 +++++++++++++++++++++--- 1 file changed, 66 insertions(+), 8 deletions(-) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index ef60dbbeac2b..0af4e419ed99 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -338,6 +338,36 @@ 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, @@ -571,12 +601,16 @@ 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 +627,8 @@ 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 +654,27 @@ 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 >= 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 +860,9 @@ 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 +921,10 @@ 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 @@ -2390,9 +2444,11 @@ 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 +2822,8 @@ 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" }, -- 2.26.2