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bace41f80f
Mechanical switch from the legacy "mode" enumeration to the new "engine type" enumeration in drivers and board files. The device tree parsing is also updated to return the new enumeration from the old strings. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://lore.kernel.org/linux-mtd/20200827085208.16276-11-miquel.raynal@bootlin.com
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2004 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* S3C2410 - NAND device controller platform_device info
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*/
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#ifndef __MTD_NAND_S3C2410_H
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#define __MTD_NAND_S3C2410_H
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#include <linux/mtd/rawnand.h>
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/**
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* struct s3c2410_nand_set - define a set of one or more nand chips
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* @flash_bbt: Openmoko u-boot can create a Bad Block Table
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* Setting this flag will allow the kernel to
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* look for it at boot time and also skip the NAND
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* scan.
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* @options: Default value to set into 'struct nand_chip' options.
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* @nr_chips: Number of chips in this set
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* @nr_partitions: Number of partitions pointed to by @partitions
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* @name: Name of set (optional)
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* @nr_map: Map for low-layer logical to physical chip numbers (option)
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* @partitions: The mtd partition list
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*
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* define a set of one or more nand chips registered with an unique mtd. Also
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* allows to pass flag to the underlying NAND layer. 'disable_ecc' will trigger
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* a warning at boot time.
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*/
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struct s3c2410_nand_set {
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unsigned int flash_bbt:1;
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unsigned int options;
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int nr_chips;
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int nr_partitions;
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char *name;
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int *nr_map;
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struct mtd_partition *partitions;
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struct device_node *of_node;
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};
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struct s3c2410_platform_nand {
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/* timing information for controller, all times in nanoseconds */
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int tacls; /* time for active CLE/ALE to nWE/nOE */
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int twrph0; /* active time for nWE/nOE */
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int twrph1; /* time for release CLE/ALE from nWE/nOE inactive */
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unsigned int ignore_unset_ecc:1;
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enum nand_ecc_engine_type engine_type;
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int nr_sets;
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struct s3c2410_nand_set *sets;
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void (*select_chip)(struct s3c2410_nand_set *,
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int chip);
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};
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/**
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* s3c_nand_set_platdata() - register NAND platform data.
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* @nand: The NAND platform data to register with s3c_device_nand.
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*
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* This function copies the given NAND platform data, @nand and registers
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* it with the s3c_device_nand. This allows @nand to be __initdata.
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*/
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extern void s3c_nand_set_platdata(struct s3c2410_platform_nand *nand);
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#endif /*__MTD_NAND_S3C2410_H */
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