29 #include <linux/mtd/spi-nor.h>
134 	struct spi_nor nor;  member
203 static void stm32_qspi_set_framemode(struct spi_nor *nor,  in stm32_qspi_set_framemode()  argument
211 		switch (nor->read_proto) {  in stm32_qspi_set_framemode()
351 static int stm32_qspi_read_reg(struct spi_nor *nor,  in stm32_qspi_read_reg()  argument
354 	struct stm32_qspi_flash *flash = nor->priv;  in stm32_qspi_read_reg()
367 	stm32_qspi_set_framemode(nor, &cmd, false);  in stm32_qspi_read_reg()
372 static int stm32_qspi_write_reg(struct spi_nor *nor, u8 opcode,  in stm32_qspi_write_reg()  argument
375 	struct stm32_qspi_flash *flash = nor->priv;  in stm32_qspi_write_reg()
388 	stm32_qspi_set_framemode(nor, &cmd, false);  in stm32_qspi_write_reg()
393 static ssize_t stm32_qspi_read(struct spi_nor *nor, loff_t from, size_t len,  in stm32_qspi_read()  argument
396 	struct stm32_qspi_flash *flash = nor->priv;  in stm32_qspi_read()
402 		nor->read_opcode, buf, (u32)from, len);  in stm32_qspi_read()
405 	cmd.opcode = nor->read_opcode;  in stm32_qspi_read()
406 	cmd.addr_width = nor->addr_width;  in stm32_qspi_read()
409 	cmd.dummy = nor->read_dummy;  in stm32_qspi_read()
414 	stm32_qspi_set_framemode(nor, &cmd, true);  in stm32_qspi_read()
420 static ssize_t stm32_qspi_write(struct spi_nor *nor, loff_t to, size_t len,  in stm32_qspi_write()  argument
423 	struct stm32_qspi_flash *flash = nor->priv;  in stm32_qspi_write()
429 		nor->program_opcode, buf, (u32)to, len);  in stm32_qspi_write()
432 	cmd.opcode = nor->program_opcode;  in stm32_qspi_write()
433 	cmd.addr_width = nor->addr_width;  in stm32_qspi_write()
440 	stm32_qspi_set_framemode(nor, &cmd, false);  in stm32_qspi_write()
446 static int stm32_qspi_erase(struct spi_nor *nor, loff_t offs)  in stm32_qspi_erase()  argument
448 	struct stm32_qspi_flash *flash = nor->priv;  in stm32_qspi_erase()
452 	dev_dbg(dev, "erase(%#.2x):offs:%#x\n", nor->erase_opcode, (u32)offs);  in stm32_qspi_erase()
455 	cmd.opcode = nor->erase_opcode;  in stm32_qspi_erase()
456 	cmd.addr_width = nor->addr_width;  in stm32_qspi_erase()
460 	stm32_qspi_set_framemode(nor, &cmd, false);  in stm32_qspi_erase()
486 static int stm32_qspi_prep(struct spi_nor *nor, enum spi_nor_ops ops)  in stm32_qspi_prep()  argument
488 	struct stm32_qspi_flash *flash = nor->priv;  in stm32_qspi_prep()
495 static void stm32_qspi_unprep(struct spi_nor *nor, enum spi_nor_ops ops)  in stm32_qspi_unprep()  argument
497 	struct stm32_qspi_flash *flash = nor->priv;  in stm32_qspi_unprep()
541 	flash->nor.dev = qspi->dev;  in stm32_qspi_flash_setup()
542 	spi_nor_set_flash_node(&flash->nor, np);  in stm32_qspi_flash_setup()
543 	flash->nor.priv = flash;  in stm32_qspi_flash_setup()
544 	mtd = &flash->nor.mtd;  in stm32_qspi_flash_setup()
546 	flash->nor.read = stm32_qspi_read;  in stm32_qspi_flash_setup()
547 	flash->nor.write = stm32_qspi_write;  in stm32_qspi_flash_setup()
548 	flash->nor.erase = stm32_qspi_erase;  in stm32_qspi_flash_setup()
549 	flash->nor.read_reg = stm32_qspi_read_reg;  in stm32_qspi_flash_setup()
550 	flash->nor.write_reg = stm32_qspi_write_reg;  in stm32_qspi_flash_setup()
551 	flash->nor.prepare = stm32_qspi_prep;  in stm32_qspi_flash_setup()
552 	flash->nor.unprepare = stm32_qspi_unprep;  in stm32_qspi_flash_setup()
561 	 * which define the size of nor flash.  in stm32_qspi_flash_setup()
562 	 * if fsize is NULL, the controller can't sent spi-nor command.  in stm32_qspi_flash_setup()
563 	 * set a temporary value just to discover the nor flash with  in stm32_qspi_flash_setup()
568 	ret = spi_nor_scan(&flash->nor, NULL, &hwcaps);  in stm32_qspi_flash_setup()
603 			mtd_device_unregister(&qspi->flash[i].nor.mtd);  in stm32_qspi_mtd_free()