cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mtd-nand-s3c2410.h (2101B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (c) 2004 Simtec Electronics
      4 *	Ben Dooks <ben@simtec.co.uk>
      5 *
      6 * S3C2410 - NAND device controller platform_device info
      7*/
      8
      9#ifndef __MTD_NAND_S3C2410_H
     10#define __MTD_NAND_S3C2410_H
     11
     12#include <linux/mtd/rawnand.h>
     13
     14/**
     15 * struct s3c2410_nand_set - define a set of one or more nand chips
     16 * @flash_bbt: 		Openmoko u-boot can create a Bad Block Table
     17 *			Setting this flag will allow the kernel to
     18 *			look for it at boot time and also skip the NAND
     19 *			scan.
     20 * @options:		Default value to set into 'struct nand_chip' options.
     21 * @nr_chips:		Number of chips in this set
     22 * @nr_partitions:	Number of partitions pointed to by @partitions
     23 * @name:		Name of set (optional)
     24 * @nr_map:		Map for low-layer logical to physical chip numbers (option)
     25 * @partitions:		The mtd partition list
     26 *
     27 * define a set of one or more nand chips registered with an unique mtd. Also
     28 * allows to pass flag to the underlying NAND layer. 'disable_ecc' will trigger
     29 * a warning at boot time.
     30 */
     31struct s3c2410_nand_set {
     32	unsigned int		flash_bbt:1;
     33
     34	unsigned int		options;
     35	int			nr_chips;
     36	int			nr_partitions;
     37	char			*name;
     38	int			*nr_map;
     39	struct mtd_partition	*partitions;
     40	struct device_node	*of_node;
     41};
     42
     43struct s3c2410_platform_nand {
     44	/* timing information for controller, all times in nanoseconds */
     45
     46	int	tacls;	/* time for active CLE/ALE to nWE/nOE */
     47	int	twrph0;	/* active time for nWE/nOE */
     48	int	twrph1;	/* time for release CLE/ALE from nWE/nOE inactive */
     49
     50	unsigned int	ignore_unset_ecc:1;
     51
     52	enum nand_ecc_engine_type engine_type;
     53
     54	int			nr_sets;
     55	struct s3c2410_nand_set *sets;
     56
     57	void			(*select_chip)(struct s3c2410_nand_set *,
     58					       int chip);
     59};
     60
     61/**
     62 * s3c_nand_set_platdata() - register NAND platform data.
     63 * @nand: The NAND platform data to register with s3c_device_nand.
     64 *
     65 * This function copies the given NAND platform data, @nand and registers
     66 * it with the s3c_device_nand. This allows @nand to be __initdata.
     67*/
     68extern void s3c_nand_set_platdata(struct s3c2410_platform_nand *nand);
     69
     70#endif /*__MTD_NAND_S3C2410_H */