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BY2PR03MB553; 5:uT2uievX1j7X6Xm9kLSgfSNtChkv8x4X4FUU6NGeozE65RhjJsMR3RBxdLOILNYus8l9CqZLTAJPJbXZ8xsM8LYY4zhpDoyokflimNY7PA70hJ5Pe1sOX3Be5IY90zLgNMv5s90q1XtjapsMtk2Prg==; 24:pMA04ffTpP0oTTPtl3mMfkATL3sFWMpXcVHOrviytNE7N2LAaOJODJsZZ0uaTK890R+M7HeKf4Tx/eiA4fb0y6wRTAVXND80v30b/58Yduw=; 20:/JEyVsQcATyz0cL6DQ+Vp7KI9CfFlRC2gF0AoKKJwyElnHcJIkc5mge0SWX+HPZO6YLiP7xzJu8yjfbZEstCXw== X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Oct 2015 22:16:49.8960 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR03MB553 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151027_151714_169195_46081FA2 X-CRM114-Status: GOOD ( 22.83 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [157.56.111.109 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [157.56.111.109 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fabio.estevam@freescale.com, boris.brezillon@free-electrons.com, vinod.koul@intel.com, linux-kernel@vger.kernel.org, b45815@freescale.com, linux-mtd@lists.infradead.org, hofrat@osadl.org, dmaengine@vger.kernel.org, dan.j.williams@intel.com, computersforpeace@gmail.com, dwmw2@infradead.org Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org support GPMI NAND on i.MX7D Signed-off-by: Han Xu --- drivers/mtd/nand/gpmi-nand/bch-regs.h | 14 +++++++------- drivers/mtd/nand/gpmi-nand/gpmi-lib.c | 10 ++++++---- drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 27 ++++++++++++++++++++++----- drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 7 +++++-- 4 files changed, 40 insertions(+), 18 deletions(-) diff --git a/drivers/mtd/nand/gpmi-nand/bch-regs.h b/drivers/mtd/nand/gpmi-nand/bch-regs.h index 05bb91f..53e58bc 100644 --- a/drivers/mtd/nand/gpmi-nand/bch-regs.h +++ b/drivers/mtd/nand/gpmi-nand/bch-regs.h @@ -1,7 +1,7 @@ /* * Freescale GPMI NAND Flash Driver * - * Copyright 2008-2011 Freescale Semiconductor, Inc. + * Copyright 2008-2015 Freescale Semiconductor, Inc. * Copyright 2008 Embedded Alley Solutions, Inc. * * This program is free software; you can redistribute it and/or modify @@ -54,7 +54,7 @@ #define MX6Q_BP_BCH_FLASH0LAYOUT0_ECC0 11 #define MX6Q_BM_BCH_FLASH0LAYOUT0_ECC0 (0x1f << MX6Q_BP_BCH_FLASH0LAYOUT0_ECC0) #define BF_BCH_FLASH0LAYOUT0_ECC0(v, x) \ - (GPMI_IS_MX6(x) \ + ((GPMI_IS_MX6(x) || GPMI_IS_MX7(x)) \ ? (((v) << MX6Q_BP_BCH_FLASH0LAYOUT0_ECC0) \ & MX6Q_BM_BCH_FLASH0LAYOUT0_ECC0) \ : (((v) << BP_BCH_FLASH0LAYOUT0_ECC0) \ @@ -65,7 +65,7 @@ #define MX6Q_BM_BCH_FLASH0LAYOUT0_GF_13_14 \ (0x1 << MX6Q_BP_BCH_FLASH0LAYOUT0_GF_13_14) #define BF_BCH_FLASH0LAYOUT0_GF(v, x) \ - ((GPMI_IS_MX6(x) && ((v) == 14)) \ + (((GPMI_IS_MX6(x) || GPMI_IS_MX7(x)) && ((v) == 14))\ ? (((1) << MX6Q_BP_BCH_FLASH0LAYOUT0_GF_13_14) \ & MX6Q_BM_BCH_FLASH0LAYOUT0_GF_13_14) \ : 0 \ @@ -77,7 +77,7 @@ #define MX6Q_BM_BCH_FLASH0LAYOUT0_DATA0_SIZE \ (0x3ff << BP_BCH_FLASH0LAYOUT0_DATA0_SIZE) #define BF_BCH_FLASH0LAYOUT0_DATA0_SIZE(v, x) \ - (GPMI_IS_MX6(x) \ + ((GPMI_IS_MX6(x) || GPMI_IS_MX7(x)) \ ? (((v) >> 2) & MX6Q_BM_BCH_FLASH0LAYOUT0_DATA0_SIZE) \ : ((v) & BM_BCH_FLASH0LAYOUT0_DATA0_SIZE) \ ) @@ -96,7 +96,7 @@ #define MX6Q_BP_BCH_FLASH0LAYOUT1_ECCN 11 #define MX6Q_BM_BCH_FLASH0LAYOUT1_ECCN (0x1f << MX6Q_BP_BCH_FLASH0LAYOUT1_ECCN) #define BF_BCH_FLASH0LAYOUT1_ECCN(v, x) \ - (GPMI_IS_MX6(x) \ + ((GPMI_IS_MX6(x) || GPMI_IS_MX7(x)) \ ? (((v) << MX6Q_BP_BCH_FLASH0LAYOUT1_ECCN) \ & MX6Q_BM_BCH_FLASH0LAYOUT1_ECCN) \ : (((v) << BP_BCH_FLASH0LAYOUT1_ECCN) \ @@ -107,7 +107,7 @@ #define MX6Q_BM_BCH_FLASH0LAYOUT1_GF_13_14 \ (0x1 << MX6Q_BP_BCH_FLASH0LAYOUT1_GF_13_14) #define BF_BCH_FLASH0LAYOUT1_GF(v, x) \ - ((GPMI_IS_MX6(x) && ((v) == 14)) \ + (((GPMI_IS_MX6(x) || GPMI_IS_MX7(x)) && ((v) == 14))\ ? (((1) << MX6Q_BP_BCH_FLASH0LAYOUT1_GF_13_14) \ & MX6Q_BM_BCH_FLASH0LAYOUT1_GF_13_14) \ : 0 \ @@ -119,7 +119,7 @@ #define MX6Q_BM_BCH_FLASH0LAYOUT1_DATAN_SIZE \ (0x3ff << BP_BCH_FLASH0LAYOUT1_DATAN_SIZE) #define BF_BCH_FLASH0LAYOUT1_DATAN_SIZE(v, x) \ - (GPMI_IS_MX6(x) \ + ((GPMI_IS_MX6(x) || GPMI_IS_MX7(x)) \ ? (((v) >> 2) & MX6Q_BM_BCH_FLASH0LAYOUT1_DATAN_SIZE) \ : ((v) & BM_BCH_FLASH0LAYOUT1_DATAN_SIZE) \ ) diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index 43fa16b..1f26a79 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c @@ -1,7 +1,7 @@ /* * Freescale GPMI NAND Flash Driver * - * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. + * Copyright (C) 2008-2015 Freescale Semiconductor, Inc. * Copyright (C) 2008 Embedded Alley Solutions, Inc. * * This program is free software; you can redistribute it and/or modify @@ -971,7 +971,8 @@ int gpmi_extra_init(struct gpmi_nand_data *this) struct nand_chip *chip = &this->nand; /* Enable the asynchronous EDO feature. */ - if (GPMI_IS_MX6(this) && chip->onfi_version) { + if ((GPMI_IS_MX6(this) || GPMI_IS_MX7(this)) && + chip->onfi_version) { int mode = onfi_get_async_timing_mode(chip); /* We only support the timing mode 4 and mode 5. */ @@ -1093,12 +1094,13 @@ int gpmi_is_ready(struct gpmi_nand_data *this, unsigned chip) if (GPMI_IS_MX23(this)) { mask = MX23_BM_GPMI_DEBUG_READY0 << chip; reg = readl(r->gpmi_regs + HW_GPMI_DEBUG); - } else if (GPMI_IS_MX28(this) || GPMI_IS_MX6(this)) { + } else if (GPMI_IS_MX28(this) || GPMI_IS_MX6(this) || + GPMI_IS_MX7(this)) { /* * In the imx6, all the ready/busy pins are bound * together. So we only need to check chip 0. */ - if (GPMI_IS_MX6(this)) + if (GPMI_IS_MX6(this) || GPMI_IS_MX7(this)) chip = 0; /* MX28 shares the same R/B register as MX6Q. */ diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index d8f2403..8339a44 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -77,6 +77,12 @@ static const struct gpmi_devdata gpmi_devdata_imx6sx = { .max_chain_delay = 12, }; +static const struct gpmi_devdata gpmi_devdata_imx7d = { + .type = IS_MX7D, + .bch_max_ecc_strength = 62, + .max_chain_delay = 12, +}; + static irqreturn_t bch_irq(int irq, void *cookie) { struct gpmi_nand_data *this = cookie; @@ -575,6 +581,10 @@ static char *extra_clks_for_mx6q[GPMI_CLK_MAX] = { "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch", }; +static char *extra_clks_for_mx7d[GPMI_CLK_MAX] = { + "gpmi_bch_apb", +}; + static int gpmi_get_clks(struct gpmi_nand_data *this) { struct resources *r = &this->resources; @@ -592,6 +602,8 @@ static int gpmi_get_clks(struct gpmi_nand_data *this) /* Get extra clocks */ if (GPMI_IS_MX6(this)) extra_clks = extra_clks_for_mx6q; + if (GPMI_IS_MX7(this)) + extra_clks = extra_clks_for_mx7d; if (!extra_clks) return 0; @@ -608,7 +620,7 @@ static int gpmi_get_clks(struct gpmi_nand_data *this) r->clock[i] = clk; } - if (GPMI_IS_MX6(this)) + if (GPMI_IS_MX6(this) || GPMI_IS_MX7(this)) /* * Set the default value for the gpmi clock. * @@ -1869,8 +1881,8 @@ static int gpmi_init_last(struct gpmi_nand_data *this) * (1) the chip is imx6, and * (2) the size of the ECC parity is byte aligned. */ - if (GPMI_IS_MX6(this) && - ((bch_geo->gf_len * bch_geo->ecc_strength) % 8) == 0) { + if ((GPMI_IS_MX6(this) || GPMI_IS_MX7(this)) && + ((bch_geo->gf_len * bch_geo->ecc_strength) % 8) == 0) { ecc->read_subpage = gpmi_ecc_read_subpage; chip->options |= NAND_SUBPAGE_READ; } @@ -1936,7 +1948,8 @@ static int gpmi_nand_init(struct gpmi_nand_data *this) if (ret) goto err_out; - ret = nand_scan_ident(mtd, GPMI_IS_MX6(this) ? 2 : 1, NULL); + ret = nand_scan_ident(mtd, GPMI_IS_MX6(this) || + GPMI_IS_MX7(this) ? 2 : 1, NULL); if (ret) goto err_out; @@ -1980,7 +1993,11 @@ static const struct of_device_id gpmi_nand_id_table[] = { }, { .compatible = "fsl,imx6sx-gpmi-nand", .data = &gpmi_devdata_imx6sx, - }, {} + }, { + .compatible = "fsl,imx7d-gpmi-nand", + .data = (void *)&gpmi_devdata_imx7d, + }, { /* sentinel */ } + }; MODULE_DEVICE_TABLE(of, gpmi_nand_id_table); diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h index 544062f..58b3d69 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h @@ -1,7 +1,7 @@ /* * Freescale GPMI NAND Flash Driver * - * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. + * Copyright (C) 2010-2015 Freescale Semiconductor, Inc. * Copyright (C) 2008 Embedded Alley Solutions, Inc. * * This program is free software; you can redistribute it and/or modify @@ -123,7 +123,8 @@ enum gpmi_type { IS_MX23, IS_MX28, IS_MX6Q, - IS_MX6SX + IS_MX6SX, + IS_MX7D, }; struct gpmi_devdata { @@ -306,6 +307,8 @@ void gpmi_copy_bits(u8 *dst, size_t dst_bit_off, #define GPMI_IS_MX28(x) ((x)->devdata->type == IS_MX28) #define GPMI_IS_MX6Q(x) ((x)->devdata->type == IS_MX6Q) #define GPMI_IS_MX6SX(x) ((x)->devdata->type == IS_MX6SX) +#define GPMI_IS_MX7D(x) ((x)->devdata->type == IS_MX7D) #define GPMI_IS_MX6(x) (GPMI_IS_MX6Q(x) || GPMI_IS_MX6SX(x)) +#define GPMI_IS_MX7(x) (GPMI_IS_MX7D(x)) #endif