xref: /OK3568_Linux_fs/kernel/arch/arm/include/asm/mach/flash.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  arch/arm/include/asm/mach/flash.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *  Copyright (C) 2003 Russell King, All Rights Reserved.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun #ifndef ASMARM_MACH_FLASH_H
8*4882a593Smuzhiyun #define ASMARM_MACH_FLASH_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun struct mtd_partition;
11*4882a593Smuzhiyun struct mtd_info;
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun /*
14*4882a593Smuzhiyun  * map_name:	the map probe function name
15*4882a593Smuzhiyun  * name:	flash device name (eg, as used with mtdparts=)
16*4882a593Smuzhiyun  * width:	width of mapped device
17*4882a593Smuzhiyun  * init:	method called at driver/device initialisation
18*4882a593Smuzhiyun  * exit:	method called at driver/device removal
19*4882a593Smuzhiyun  * set_vpp:	method called to enable or disable VPP
20*4882a593Smuzhiyun  * mmcontrol:	method called to enable or disable Sync. Burst Read in OneNAND
21*4882a593Smuzhiyun  * parts:	optional array of mtd_partitions for static partitioning
22*4882a593Smuzhiyun  * nr_parts:	number of mtd_partitions for static partitioning
23*4882a593Smuzhiyun  */
24*4882a593Smuzhiyun struct flash_platform_data {
25*4882a593Smuzhiyun 	const char	*map_name;
26*4882a593Smuzhiyun 	const char	*name;
27*4882a593Smuzhiyun 	unsigned int	width;
28*4882a593Smuzhiyun 	int		(*init)(void);
29*4882a593Smuzhiyun 	void		(*exit)(void);
30*4882a593Smuzhiyun 	void		(*set_vpp)(int on);
31*4882a593Smuzhiyun 	void		(*mmcontrol)(struct mtd_info *mtd, int sync_read);
32*4882a593Smuzhiyun 	struct mtd_partition *parts;
33*4882a593Smuzhiyun 	unsigned int	nr_parts;
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #endif
37