linux/mtd/spi-nor.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
11 #include <linux/spi/spi-mem.h>
18  * requires a 4-byte (32-bit) address.
32 #define SPINOR_OP_READ_1_1_4	0x6b	/* Read data bytes (Quad Output SPI) */
33 #define SPINOR_OP_READ_1_4_4	0xeb	/* Read data bytes (Quad I/O SPI) */
37 #define SPINOR_OP_PP_1_1_4	0x32	/* Quad page program */
38 #define SPINOR_OP_PP_1_4_4	0x38	/* Quad page program */
53 /* 4-byte address opcodes - used on Spansion and some Macronix flashes. */
58 #define SPINOR_OP_READ_1_1_4_4B	0x6c	/* Read data bytes (Quad Output SPI) */
59 #define SPINOR_OP_READ_1_4_4_4B	0xec	/* Read data bytes (Quad I/O SPI) */
63 #define SPINOR_OP_PP_1_1_4_4B	0x34	/* Quad page program */
64 #define SPINOR_OP_PP_1_4_4_4B	0x3e	/* Quad page program */
71 /* Double Transfer Rate opcodes - defined in JEDEC JESD216B. */
85 #define SPINOR_OP_EN4B		0xb7	/* Enter 4-byte mode */
86 #define SPINOR_OP_EX4B		0xe9	/* Exit 4-byte mode */
121 #define EVCR_QUAD_EN_MICRON	BIT(7)	/* Micron Quad I/O */
207  * struct spi_nor_hwcaps - Structure for describing the hardware capabilies
219  * then Quad SPI protocols before Dual SPI protocols, Fast Read and lastly
249  * Like (Fast) Read capabilities, Octal/Quad SPI protocols are preferred to the
250  * legacy SPI 1-1-1 protocol.
291  * struct spi_nor_controller_ops - SPI NOR controller driver specific
319  * enum spi_nor_cmd_ext - describes the command opcode extension in DTR mode
325  *		     combine to form a 16-bit opcode.
335  * Forward declarations that are used internally by the core and manufacturer
343  * struct spi_nor - Structure for defining the SPI NOR layer
346  * @rww:		Read-While-Write (RWW) sync lock
355  *                      layer is not DMA-able
375  * @params:		[FLASH-SPECIFIC] SPI NOR flash parameters and settings.
428 	mtd_set_of_node(&nor->mtd, np);  in spi_nor_set_flash_node()
433 	return mtd_get_of_node(&nor->mtd);  in spi_nor_get_flash_node()
437  * spi_nor_scan() - scan the SPI NOR