7 #include <linux/mtd/spi-nor.h>
29 mx25l25635_post_bfpt_fixups(struct spi_nor *nor,  in mx25l25635_post_bfpt_fixups()  argument
43 		nor->flags |= SNOR_F_4B_OPCODES;  in mx25l25635_post_bfpt_fixups()
206 static int macronix_nor_octal_dtr_en(struct spi_nor *nor)  in macronix_nor_octal_dtr_en()  argument
209 	u8 *buf = nor->bouncebuf, i;  in macronix_nor_octal_dtr_en()
213 	buf[0] = MXIC_NOR_REG_DC(nor->params->reads[SNOR_CMD_READ_8_8_8_DTR].num_wait_states);  in macronix_nor_octal_dtr_en()
215 	ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto);  in macronix_nor_octal_dtr_en()
222 	ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto);  in macronix_nor_octal_dtr_en()
227 	ret = spi_nor_read_id(nor, nor->addr_nbytes, 4, buf,  in macronix_nor_octal_dtr_en()
230 		dev_dbg(nor->dev, "error %d reading JEDEC ID after enabling 8D-8D-8D mode\n", ret);  in macronix_nor_octal_dtr_en()
234 	/* Macronix SPI-NOR flash 8D-8D-8D read ID would get 6 bytes data A-A-B-B-C-C */  in macronix_nor_octal_dtr_en()
235 	for (i = 0; i < nor->info->id->len; i++)  in macronix_nor_octal_dtr_en()
236 		if (buf[i * 2] != buf[(i * 2) + 1] || buf[i * 2] != nor->info->id->bytes[i])  in macronix_nor_octal_dtr_en()
242 static int macronix_nor_octal_dtr_dis(struct spi_nor *nor)  in macronix_nor_octal_dtr_dis()  argument
245 	u8 *buf = nor->bouncebuf;  in macronix_nor_octal_dtr_dis()
257 	ret = spi_nor_write_any_volatile_reg(nor, &op, SNOR_PROTO_8_8_8_DTR);  in macronix_nor_octal_dtr_dis()
262 	ret = spi_nor_read_id(nor, 0, 0, buf, SNOR_PROTO_1_1_1);  in macronix_nor_octal_dtr_dis()
264 		dev_dbg(nor->dev, "error %d reading JEDEC ID after disabling 8D-8D-8D mode\n", ret);  in macronix_nor_octal_dtr_dis()
268 	if (memcmp(buf, nor->info->id->bytes, nor->info->id->len))  in macronix_nor_octal_dtr_dis()
274 static int macronix_nor_set_octal_dtr(struct spi_nor *nor, bool enable)  in macronix_nor_set_octal_dtr()  argument
276 	return enable ? macronix_nor_octal_dtr_en(nor) : macronix_nor_octal_dtr_dis(nor);  in macronix_nor_set_octal_dtr()
279 static void macronix_nor_default_init(struct spi_nor *nor)  in macronix_nor_default_init()  argument
281 	nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;  in macronix_nor_default_init()
284 static int macronix_nor_late_init(struct spi_nor *nor)  in macronix_nor_late_init()  argument
286 	if (!nor->params->set_4byte_addr_mode)  in macronix_nor_late_init()
287 		nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b;  in macronix_nor_late_init()
288 	nor->params->set_octal_dtr = macronix_nor_set_octal_dtr;  in macronix_nor_late_init()