diff options
Diffstat (limited to 'include/linux/mtd')
29 files changed, 147 insertions, 306 deletions
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h index 3102bd754d18..886e30441c90 100644 --- a/include/linux/mtd/bbm.h +++ b/include/linux/mtd/bbm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * NAND family Bad Block Management (BBM) header file * - Bad Block Table (BBT) implementation @@ -7,21 +8,6 @@ * * Copyright © 2000-2005 * Thomas Gleixner <tglx@linuxtronix.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __LINUX_MTD_BBM_H #define __LINUX_MTD_BBM_H @@ -93,10 +79,7 @@ struct nand_bbt_descr { #define NAND_BBT_WRITE 0x00002000 /* Read and write back block contents when writing bbt */ #define NAND_BBT_SAVECONTENT 0x00004000 -/* Search good / bad pattern on the first and the second page */ -#define NAND_BBT_SCAN2NDPAGE 0x00008000 -/* Search good / bad pattern on the last page of the eraseblock */ -#define NAND_BBT_SCANLASTPAGE 0x00010000 + /* * Use a flash based bad block table. By default, OOB identifier is saved in * OOB area. This option is passed to the default bad block table function. @@ -124,13 +107,6 @@ struct nand_bbt_descr { #define NAND_BBT_SCAN_MAXBLOCKS 4 /* - * Constants for oob configuration - */ -#define NAND_SMALL_BADBLOCK_POS 5 -#define NAND_LARGE_BADBLOCK_POS 0 -#define ONENAND_BADBLOCK_POS 0 - -/* * Bad block scanning errors */ #define ONENAND_BBT_READ_ERROR 1 @@ -140,7 +116,6 @@ struct nand_bbt_descr { /** * struct bbm_info - [GENERIC] Bad Block Table data structure * @bbt_erase_shift: [INTERN] number of address bits in a bbt entry - * @badblockpos: [INTERN] position of the bad block marker in the oob area * @options: options for this descriptor * @bbt: [INTERN] bad block table pointer * @isbad_bbt: function to determine if a block is bad @@ -150,7 +125,6 @@ struct nand_bbt_descr { */ struct bbm_info { int bbt_erase_shift; - int badblockpos; int options; uint8_t *bbt; diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h index 1d3ade69d39a..3c668cb1e344 100644 --- a/include/linux/mtd/blktrans.h +++ b/include/linux/mtd/blktrans.h @@ -1,20 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 2003-2010 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __MTD_TRANS_H__ diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index cbf77168658c..208c87cf2e3e 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -1,20 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> et al. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __MTD_CFI_H__ diff --git a/include/linux/mtd/cfi_endian.h b/include/linux/mtd/cfi_endian.h index b97a625071f8..5275118aa449 100644 --- a/include/linux/mtd/cfi_endian.h +++ b/include/linux/mtd/cfi_endian.h @@ -1,20 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <asm/byteorder.h> diff --git a/include/linux/mtd/concat.h b/include/linux/mtd/concat.h index ccdbe93a909c..d6f653e07426 100644 --- a/include/linux/mtd/concat.h +++ b/include/linux/mtd/concat.h @@ -1,22 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * MTD device concatenation layer definitions * * Copyright © 2002 Robert Kaiser <rkaiser@sysgo.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef MTD_CONCAT_H diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h index 407d1e556c39..1b7b0ee070ca 100644 --- a/include/linux/mtd/doc2000.h +++ b/include/linux/mtd/doc2000.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Linux driver for Disk-On-Chip devices * @@ -5,21 +6,6 @@ * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> * Copyright © 2002-2003 Greg Ungerer <gerg@snapgear.com> * Copyright © 2002-2003 SnapGear Inc - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __MTD_DOC2000_H__ diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index 3529683f691e..ecc88a41792a 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h @@ -1,21 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 2000 Red Hat UK Limited * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __MTD_FLASHCHIP_H__ diff --git a/include/linux/mtd/gen_probe.h b/include/linux/mtd/gen_probe.h index 2c456054fded..6bd0b30d5935 100644 --- a/include/linux/mtd/gen_probe.h +++ b/include/linux/mtd/gen_probe.h @@ -1,21 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 2001 Red Hat UK Limited * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __LINUX_MTD_GEN_PROBE_H__ diff --git a/include/linux/mtd/lpc32xx_mlc.h b/include/linux/mtd/lpc32xx_mlc.h index d91b1e35631e..d168c628c0d5 100644 --- a/include/linux/mtd/lpc32xx_mlc.h +++ b/include/linux/mtd/lpc32xx_mlc.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Platform data for LPC32xx SoC MLC NAND controller * * Copyright © 2012 Roland Stigge - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_MTD_LPC32XX_MLC_H diff --git a/include/linux/mtd/lpc32xx_slc.h b/include/linux/mtd/lpc32xx_slc.h index 1169548a1535..cf54a9f80460 100644 --- a/include/linux/mtd/lpc32xx_slc.h +++ b/include/linux/mtd/lpc32xx_slc.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Platform data for LPC32xx SoC SLC NAND controller * * Copyright © 2012 Roland Stigge - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_MTD_LPC32XX_SLC_H diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index 01b990e4b228..b4fa92a6e44b 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -1,20 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> et al. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ /* Overhauled routines for dealing with different mmap regions of flash */ diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 677768b21a1d..936a3fdb48b5 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -1,20 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __MTD_MTD_H__ diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 7f53ece2c039..cebc38b6d6f5 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -19,6 +19,7 @@ * @oobsize: OOB area size * @pages_per_eraseblock: number of pages per eraseblock * @eraseblocks_per_lun: number of eraseblocks per LUN (Logical Unit Number) + * @max_bad_eraseblocks_per_lun: maximum number of eraseblocks per LUN * @planes_per_lun: number of planes per LUN * @luns_per_target: number of LUN per target (target is a synonym for die) * @ntargets: total number of targets exposed by the NAND device @@ -29,18 +30,20 @@ struct nand_memory_organization { unsigned int oobsize; unsigned int pages_per_eraseblock; unsigned int eraseblocks_per_lun; + unsigned int max_bad_eraseblocks_per_lun; unsigned int planes_per_lun; unsigned int luns_per_target; unsigned int ntargets; }; -#define NAND_MEMORG(bpc, ps, os, ppe, epl, ppl, lpt, nt) \ +#define NAND_MEMORG(bpc, ps, os, ppe, epl, mbb, ppl, lpt, nt) \ { \ .bits_per_cell = (bpc), \ .pagesize = (ps), \ .oobsize = (os), \ .pages_per_eraseblock = (ppe), \ .eraseblocks_per_lun = (epl), \ + .max_bad_eraseblocks_per_lun = (mbb), \ .planes_per_lun = (ppl), \ .luns_per_target = (lpt), \ .ntargets = (nt), \ @@ -269,6 +272,20 @@ nanddev_pages_per_eraseblock(const struct nand_device *nand) } /** + * nanddev_pages_per_target() - Get the number of pages per target + * @nand: NAND device + * + * Return: the number of pages per target. + */ +static inline unsigned int +nanddev_pages_per_target(const struct nand_device *nand) +{ + return nand->memorg.pages_per_eraseblock * + nand->memorg.eraseblocks_per_lun * + nand->memorg.luns_per_target; +} + +/** * nanddev_per_page_oobsize() - Get NAND erase block size * @nand: NAND device * @@ -292,6 +309,18 @@ nanddev_eraseblocks_per_lun(const struct nand_device *nand) } /** + * nanddev_eraseblocks_per_target() - Get the number of eraseblocks per target + * @nand: NAND device + * + * Return: the number of eraseblocks per target. + */ +static inline unsigned int +nanddev_eraseblocks_per_target(const struct nand_device *nand) +{ + return nand->memorg.eraseblocks_per_lun * nand->memorg.luns_per_target; +} + +/** * nanddev_target_size() - Get the total size provided by a single target/die * @nand: NAND device * @@ -729,5 +758,6 @@ static inline bool nanddev_bbt_is_initialized(struct nand_device *nand) /* MTD -> NAND helper functions. */ int nanddev_mtd_erase(struct mtd_info *mtd, struct erase_info *einfo); +int nanddev_mtd_max_bad_blocks(struct mtd_info *mtd, loff_t offs, size_t len); #endif /* __LINUX_MTD_NAND_H */ diff --git a/include/linux/mtd/nand_bch.h b/include/linux/mtd/nand_bch.h index b8106651f807..d5956cc48ba9 100644 --- a/include/linux/mtd/nand_bch.h +++ b/include/linux/mtd/nand_bch.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2011 Ivan Djelic <ivan.djelic@parrot.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * This file is the header for the NAND BCH ECC implementation. */ @@ -15,7 +12,7 @@ struct mtd_info; struct nand_chip; struct nand_bch_control; -#if defined(CONFIG_MTD_NAND_ECC_BCH) +#if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_BCH) static inline int mtd_nand_has_bch(void) { return 1; } @@ -39,7 +36,7 @@ struct nand_bch_control *nand_bch_init(struct mtd_info *mtd); */ void nand_bch_free(struct nand_bch_control *nbc); -#else /* !CONFIG_MTD_NAND_ECC_BCH */ +#else /* !CONFIG_MTD_NAND_ECC_SW_BCH */ static inline int mtd_nand_has_bch(void) { return 0; } @@ -64,6 +61,6 @@ static inline struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) static inline void nand_bch_free(struct nand_bch_control *nbc) {} -#endif /* CONFIG_MTD_NAND_ECC_BCH */ +#endif /* CONFIG_MTD_NAND_ECC_SW_BCH */ #endif /* __MTD_NAND_BCH_H__ */ diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h index 0b3bb156c344..d423916b94f0 100644 --- a/include/linux/mtd/nand_ecc.h +++ b/include/linux/mtd/nand_ecc.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com> * David Woodhouse <dwmw2@infradead.org> * Thomas Gleixner <tglx@linutronix.de> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * This file is the header for the ECC algorithm. */ diff --git a/include/linux/mtd/ndfc.h b/include/linux/mtd/ndfc.h index 357e88b3263a..98f075b86931 100644 --- a/include/linux/mtd/ndfc.h +++ b/include/linux/mtd/ndfc.h @@ -1,13 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2006 Thomas Gleixner <tglx@linutronix.de> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Info: * Contains defines, datastructures for ndfc nand controller - * */ #ifndef __LINUX_MTD_NDFC_H #define __LINUX_MTD_NDFC_H diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h index 044daa02b8ff..4423d3b385b1 100644 --- a/include/linux/mtd/nftl.h +++ b/include/linux/mtd/nftl.h @@ -1,20 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __MTD_NFTL_H__ diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 0aaa98b219a4..1e517961d0ba 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/mtd/onenand.h * * Copyright © 2005-2009 Samsung Electronics * Kyungmin Park <kyungmin.park@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_MTD_ONENAND_H @@ -94,6 +91,7 @@ struct onenand_chip { unsigned int technology; unsigned int density_mask; unsigned int options; + unsigned int badblockpos; unsigned int erase_shift; unsigned int page_shift; @@ -188,6 +186,8 @@ struct onenand_chip { /* Check byte access in OneNAND */ #define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1) +#define ONENAND_BADBLOCK_POS 0 + /* * Options bits */ diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h index d60130f88eed..2d12a1b18742 100644 --- a/include/linux/mtd/onenand_regs.h +++ b/include/linux/mtd/onenand_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/include/linux/mtd/onenand_regs.h * @@ -5,10 +6,6 @@ * * Copyright (C) 2005-2007 Samsung Electronics * Kyungmin Park <kyungmin.park@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __ONENAND_REG_H diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h index aa6a2633c2da..bfaa9cc1dc84 100644 --- a/include/linux/mtd/physmap.h +++ b/include/linux/mtd/physmap.h @@ -1,15 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * For boards with physically mapped flash and using * drivers/mtd/maps/physmap.c mapping driver. * * Copyright (C) 2003 MontaVista Software Inc. * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_MTD_PHYSMAP__ diff --git a/include/linux/mtd/pismo.h b/include/linux/mtd/pismo.h index 8dfb7e1421c5..085b639c9538 100644 --- a/include/linux/mtd/pismo.h +++ b/include/linux/mtd/pismo.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * PISMO memory driver - http://www.pismoworld.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. */ #ifndef __LINUX_MTD_PISMO_H #define __LINUX_MTD_PISMO_H diff --git a/include/linux/mtd/plat-ram.h b/include/linux/mtd/plat-ram.h index 44212d65aa97..09441856d244 100644 --- a/include/linux/mtd/plat-ram.h +++ b/include/linux/mtd/plat-ram.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* linux/include/linux/mtd/plat-ram.h * * (c) 2004 Simtec Electronics @@ -5,11 +6,6 @@ * Ben Dooks <ben@simtec.co.uk> * * Generic platform device based RAM map - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #ifndef __LINUX_MTD_PLATRAM_H diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index b7445a44a814..ac3884a28dea 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org> * Steven J. Hill <sjhill@realitydiluted.com> * Thomas Gleixner <tglx@linutronix.de> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Info: * Contains standard defines and IDs for NAND flash devices * @@ -20,6 +17,7 @@ #include <linux/mtd/flashchip.h> #include <linux/mtd/bbm.h> #include <linux/mtd/jedec.h> +#include <linux/mtd/nand.h> #include <linux/mtd/onfi.h> #include <linux/mutex.h> #include <linux/of.h> @@ -168,6 +166,21 @@ enum nand_ecc_algo { /* Macros to identify the above */ #define NAND_HAS_SUBPAGE_READ(chip) ((chip->options & NAND_SUBPAGE_READ)) +/* + * There are different places where the manufacturer stores the factory bad + * block markers. + * + * Position within the block: Each of these pages needs to be checked for a + * bad block marking pattern. + */ +#define NAND_BBM_FIRSTPAGE 0x01000000 +#define NAND_BBM_SECONDPAGE 0x02000000 +#define NAND_BBM_LASTPAGE 0x04000000 + +/* Position within the OOB data of the page */ +#define NAND_BBM_POS_SMALL 5 +#define NAND_BBM_POS_LARGE 0 + /* Non chip related options */ /* This option skips the bbt scan during initialization. */ #define NAND_SKIP_BBTSCAN 0x00010000 @@ -805,7 +818,7 @@ struct nand_op_parser_pattern { #define NAND_OP_PARSER_PATTERN(_exec, ...) \ { \ .exec = _exec, \ - .elems = (struct nand_op_parser_pattern_elem[]) { __VA_ARGS__ }, \ + .elems = (const struct nand_op_parser_pattern_elem[]) { __VA_ARGS__ }, \ .nelems = sizeof((struct nand_op_parser_pattern_elem[]) { __VA_ARGS__ }) / \ sizeof(struct nand_op_parser_pattern_elem), \ } @@ -831,7 +844,7 @@ struct nand_op_parser { #define NAND_OP_PARSER(...) \ { \ - .patterns = (struct nand_op_parser_pattern[]) { __VA_ARGS__ }, \ + .patterns = (const struct nand_op_parser_pattern[]) { __VA_ARGS__ }, \ .npatterns = sizeof((struct nand_op_parser_pattern[]) { __VA_ARGS__ }) / \ sizeof(struct nand_op_parser_pattern), \ } @@ -860,6 +873,7 @@ struct nand_operation { int nand_op_parser_exec_op(struct nand_chip *chip, const struct nand_op_parser *parser, const struct nand_operation *op, bool check_only); + /** * struct nand_controller_ops - Controller operations * @@ -962,7 +976,7 @@ struct nand_legacy { /** * struct nand_chip - NAND Private Flash Chip Data - * @mtd: MTD device registered to the MTD framework + * @base: Inherit from the generic NAND device * @legacy: All legacy fields/hooks. If you develop a new driver, * don't even try to use any of these fields/hooks, and if * you're modifying an existing driver that is using those @@ -990,37 +1004,26 @@ struct nand_legacy { * @badblockbits: [INTERN] minimum number of set bits in a good block's * bad block marker position; i.e., BBM == 11110111b is * not bad when badblockbits == 7 - * @bits_per_cell: [INTERN] number of bits per cell. i.e., 1 means SLC. - * @ecc_strength_ds: [INTERN] ECC correctability from the datasheet. - * Minimum amount of bit errors per @ecc_step_ds guaranteed - * to be correctable. If unknown, set to zero. - * @ecc_step_ds: [INTERN] ECC step required by the @ecc_strength_ds, - * also from the datasheet. It is the recommended ECC step - * size, if known; if unknown, set to zero. * @onfi_timing_mode_default: [INTERN] default ONFI timing mode. This field is * set to the actually used ONFI mode if the chip is * ONFI compliant or deduced from the datasheet if * the NAND chip is not ONFI compliant. - * @numchips: [INTERN] number of physical chips - * @chipsize: [INTERN] the size of one chip for multichip arrays * @pagemask: [INTERN] page number mask = number of (pages / chip) - 1 * @data_buf: [INTERN] buffer for data, size is (page size + oobsize). - * @pagebuf: [INTERN] holds the pagenumber which is currently in - * data_buf. - * @pagebuf_bitflips: [INTERN] holds the bitflip count for the page which is - * currently in data_buf. + * @pagecache: Structure containing page cache related fields + * @pagecache.bitflips: Number of bitflips of the cached page + * @pagecache.page: Page number currently in the cache. -1 means no page is + * currently cached * @subpagesize: [INTERN] holds the subpagesize * @id: [INTERN] holds NAND ID * @parameters: [INTERN] holds generic parameters under an easily * readable form. - * @max_bb_per_die: [INTERN] the max number of bad blocks each die of a - * this nand device will encounter their life times. - * @blocks_per_die: [INTERN] The number of PEBs in a die * @data_interface: [INTERN] NAND interface timing information * @cur_cs: currently selected target. -1 means no target selected, * otherwise we should always have cur_cs >= 0 && - * cur_cs < numchips. NAND Controller drivers should not - * modify this value, but they're allowed to read it. + * cur_cs < nanddev_ntargets(). NAND Controller drivers + * should not modify this value, but they're allowed to + * read it. * @read_retries: [INTERN] the number of read retry modes supported * @lock: lock protecting the suspended field. Also used to * serialize accesses to the NAND device. @@ -1041,7 +1044,7 @@ struct nand_legacy { */ struct nand_chip { - struct mtd_info mtd; + struct nand_device base; struct nand_legacy legacy; @@ -1054,24 +1057,21 @@ struct nand_chip { int phys_erase_shift; int bbt_erase_shift; int chip_shift; - int numchips; - uint64_t chipsize; int pagemask; u8 *data_buf; - int pagebuf; - unsigned int pagebuf_bitflips; + + struct { + unsigned int bitflips; + int page; + } pagecache; + int subpagesize; - uint8_t bits_per_cell; - uint16_t ecc_strength_ds; - uint16_t ecc_step_ds; int onfi_timing_mode_default; - int badblockpos; + unsigned int badblockpos; int badblockbits; struct nand_id id; struct nand_parameters parameters; - u16 max_bb_per_die; - u32 blocks_per_die; struct nand_data_interface data_interface; @@ -1105,25 +1105,14 @@ struct nand_chip { extern const struct mtd_ooblayout_ops nand_ooblayout_sp_ops; extern const struct mtd_ooblayout_ops nand_ooblayout_lp_ops; -static inline void nand_set_flash_node(struct nand_chip *chip, - struct device_node *np) -{ - mtd_set_of_node(&chip->mtd, np); -} - -static inline struct device_node *nand_get_flash_node(struct nand_chip *chip) -{ - return mtd_get_of_node(&chip->mtd); -} - static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd) { - return container_of(mtd, struct nand_chip, mtd); + return container_of(mtd, struct nand_chip, base.mtd); } static inline struct mtd_info *nand_to_mtd(struct nand_chip *chip) { - return &chip->mtd; + return &chip->base.mtd; } static inline void *nand_get_controller_data(struct nand_chip *chip) @@ -1147,6 +1136,17 @@ static inline void *nand_get_manufacturer_data(struct nand_chip *chip) return chip->manufacturer.priv; } +static inline void nand_set_flash_node(struct nand_chip *chip, + struct device_node *np) +{ + mtd_set_of_node(nand_to_mtd(chip), np); +} + +static inline struct device_node *nand_get_flash_node(struct nand_chip *chip) +{ + return mtd_get_of_node(nand_to_mtd(chip)); +} + /* * A helper for defining older NAND chips where the second ID byte fully * defined the chip, including the geometry (chip size, eraseblock size, page @@ -1180,9 +1180,9 @@ static inline void *nand_get_manufacturer_data(struct nand_chip *chip) * @name: a human-readable name of the NAND chip * @dev_id: the device ID (the second byte of the full chip ID array) * @mfr_id: manufecturer ID part of the full chip ID array (refers the same - * memory address as @id[0]) + * memory address as ``id[0]``) * @dev_id: device ID part of the full chip ID array (refers the same memory - * address as @id[1]) + * address as ``id[1]``) * @id: full device ID array * @pagesize: size of the NAND page in bytes; if 0, then the real page size (as * well as the eraseblock size) is determined from the extended NAND @@ -1235,9 +1235,9 @@ int nand_create_bbt(struct nand_chip *chip); */ static inline bool nand_is_slc(struct nand_chip *chip) { - WARN(chip->bits_per_cell == 0, + WARN(nanddev_bits_per_cell(&chip->base) == 0, "chip->bits_per_cell is used uninitialized\n"); - return chip->bits_per_cell == 1; + return nanddev_bits_per_cell(&chip->base) == 1; } /** @@ -1348,4 +1348,25 @@ int nand_gpio_waitrdy(struct nand_chip *chip, struct gpio_desc *gpiod, void nand_select_target(struct nand_chip *chip, unsigned int cs); void nand_deselect_target(struct nand_chip *chip); +/** + * nand_get_data_buf() - Get the internal page buffer + * @chip: NAND chip object + * + * Returns the pre-allocated page buffer after invalidating the cache. This + * function should be used by drivers that do not want to allocate their own + * bounce buffer and still need such a buffer for specific operations (most + * commonly when reading OOB data only). + * + * Be careful to never call this function in the write/write_oob path, because + * the core may have placed the data to be written out in this buffer. + * + * Return: pointer to the page cache buffer + */ +static inline void *nand_get_data_buf(struct nand_chip *chip) +{ + chip->pagecache.page = -1; + + return chip->data_buf; +} + #endif /* __LINUX_MTD_RAWNAND_H */ diff --git a/include/linux/mtd/sharpsl.h b/include/linux/mtd/sharpsl.h index e1845fc4afbd..01306ebe266d 100644 --- a/include/linux/mtd/sharpsl.h +++ b/include/linux/mtd/sharpsl.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * SharpSL NAND support * * Copyright (C) 2008 Dmitry Baryshkov - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/mtd/rawnand.h> diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index b3d360b0ee3d..9f57cdfcc93d 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -373,6 +373,8 @@ struct flash_info; * @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR * @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is * @quad_enable: [FLASH-SPECIFIC] enables SPI NOR quad mode + * @clear_sr_bp: [FLASH-SPECIFIC] clears the Block Protection Bits from + * the SPI NOR Status Register. * completely locked * @priv: the private data */ @@ -410,6 +412,7 @@ struct spi_nor { int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len); int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len); int (*quad_enable)(struct spi_nor *nor); + int (*clear_sr_bp)(struct spi_nor *nor); void *priv; }; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index b92e2aa955b6..507f7e289bd1 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -302,6 +302,11 @@ struct spinand_info { __VA_ARGS__ \ } +struct spinand_dirmap { + struct spi_mem_dirmap_desc *wdesc; + struct spi_mem_dirmap_desc *rdesc; +}; + /** * struct spinand_device - SPI NAND device instance * @base: NAND device instance @@ -341,6 +346,8 @@ struct spinand_device { const struct spi_mem_op *update_cache; } op_templates; + struct spinand_dirmap *dirmaps; + int (*select_target)(struct spinand_device *spinand, unsigned int target); unsigned int cur_target; diff --git a/include/linux/mtd/super.h b/include/linux/mtd/super.h index f456230f9330..056c9932c723 100644 --- a/include/linux/mtd/super.h +++ b/include/linux/mtd/super.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* MTD-based superblock handling * * Copyright © 2006 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef __MTD_SUPER_H__ diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h index 1e271cb559cd..7d48ea368c5e 100644 --- a/include/linux/mtd/ubi.h +++ b/include/linux/mtd/ubi.h @@ -1,20 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) International Business Machines Corp., 2006 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * Author: Artem Bityutskiy (Битюцкий Артём) */ diff --git a/include/linux/mtd/xip.h b/include/linux/mtd/xip.h index e373690cce0a..a4e352b1dfe6 100644 --- a/include/linux/mtd/xip.h +++ b/include/linux/mtd/xip.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * MTD primitives for XIP support * @@ -7,10 +8,6 @@ * * This XIP support for MTD has been loosely inspired * by an earlier patch authored by David Woodhouse. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_MTD_XIP_H__ |