linux/mtd/onenand.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
5  *  Copyright © 2005-2009 Samsung Electronics
27  * struct onenand_bufferram - OneNAND BufferRAM Data
35  * struct onenand_chip - OneNAND Private Flash Chip Data
37  * @dies:		[INTERN][FLEX-ONENAND] number of dies on chip
38  * @boundary:		[INTERN][FLEX-ONENAND] Boundary of the dies
39  * @diesize:		[INTERN][FLEX-ONENAND] Size of the dies
41  *			FIXME For Flex-OneNAND, chipsize holds maximum possible
43  * @device_id:		[INTERN] device ID
45  * @verstion_id:	[INTERN] version ID
153 #define ONENAND_CURRENT_BUFFERRAM(this)		(this->bufferram_index)
154 #define ONENAND_NEXT_BUFFERRAM(this)		(this->bufferram_index ^ 1)
155 #define ONENAND_SET_NEXT_BUFFERRAM(this)	(this->bufferram_index ^= 1)
156 #define ONENAND_SET_PREV_BUFFERRAM(this)	(this->bufferram_index ^= 1)
157 #define ONENAND_SET_BUFFERRAM0(this)		(this->bufferram_index = 0)
158 #define ONENAND_SET_BUFFERRAM1(this)		(this->bufferram_index = 1)
161 	(this->device_id & DEVICE_IS_FLEXONENAND)
163 	(this->read_word(this->base + ONENAND_REG_SYS_CFG1))
165 	(this->write_word(v, this->base + ONENAND_REG_SYS_CFG1))
168 	(this->device_id & ONENAND_DEVICE_IS_DDP)
171 	(this->technology & ONENAND_TECHNOLOGY_IS_MLC)
175 	(this->options & ONENAND_HAS_2PLANE)
181 	(this->options & ONENAND_HAS_CACHE_PROGRAM)
184 	(this->options & ONENAND_HAS_NOP_1)
206 	(this->options & ONENAND_HAS_4KB_PAGE)
209  * OneNAND Flash Manufacturer ID Codes
215  * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure
216  * @name:	Manufacturer name
217  * @id:		manufacturer ID code of device.
220         int id;  member