7 #include <linux/mtd/spi-nor.h>
24  * @nor:		pointer to a 'struct spi_nor'
32 static int spi_nor_cypress_octal_dtr_enable(struct spi_nor *nor, bool enable)  in spi_nor_cypress_octal_dtr_enable()  argument
35 	u8 *buf = nor->bouncebuf;  in spi_nor_cypress_octal_dtr_enable()
40 		ret = spi_nor_write_enable(nor);  in spi_nor_cypress_octal_dtr_enable()
52 		ret = spi_mem_exec_op(nor->spimem, &op);  in spi_nor_cypress_octal_dtr_enable()
56 		ret = spi_nor_wait_till_ready(nor);  in spi_nor_cypress_octal_dtr_enable()
60 		nor->read_dummy = 24;  in spi_nor_cypress_octal_dtr_enable()
64 	ret = spi_nor_write_enable(nor);  in spi_nor_cypress_octal_dtr_enable()
82 		spi_nor_spimem_setup_op(nor, &op, SNOR_PROTO_8_8_8_DTR);  in spi_nor_cypress_octal_dtr_enable()
84 	ret = spi_mem_exec_op(nor->spimem, &op);  in spi_nor_cypress_octal_dtr_enable()
93 			   SPI_MEM_OP_DATA_IN(round_up(nor->info->id_len, 2),  in spi_nor_cypress_octal_dtr_enable()
97 		spi_nor_spimem_setup_op(nor, &op, SNOR_PROTO_8_8_8_DTR);  in spi_nor_cypress_octal_dtr_enable()
99 	ret = spi_mem_exec_op(nor->spimem, &op);  in spi_nor_cypress_octal_dtr_enable()
103 	if (memcmp(buf, nor->info->id, nor->info->id_len))  in spi_nor_cypress_octal_dtr_enable()
109 static void s28hs512t_default_init(struct spi_nor *nor)  in s28hs512t_default_init()  argument
111 	nor->params->octal_dtr_enable = spi_nor_cypress_octal_dtr_enable;  in s28hs512t_default_init()
112 	nor->params->writesize = 16;  in s28hs512t_default_init()
115 static void s28hs512t_post_sfdp_fixup(struct spi_nor *nor)  in s28hs512t_post_sfdp_fixup()  argument
121 	if (nor->params->reads[SNOR_CMD_READ_8_8_8_DTR].opcode == 0)  in s28hs512t_post_sfdp_fixup()
122 		nor->params->reads[SNOR_CMD_READ_8_8_8_DTR].opcode =  in s28hs512t_post_sfdp_fixup()
126 	spi_nor_set_pp_settings(&nor->params->page_programs[SNOR_CMD_PP],  in s28hs512t_post_sfdp_fixup()
132 	spi_nor_set_pp_settings(&nor->params->page_programs[SNOR_CMD_PP_8_8_8_DTR],  in s28hs512t_post_sfdp_fixup()
140 	nor->params->rdsr_addr_nbytes = 4;  in s28hs512t_post_sfdp_fixup()
143 static int s28hs512t_post_bfpt_fixup(struct spi_nor *nor,  in s28hs512t_post_bfpt_fixup()  argument
156 			   SPI_MEM_OP_DATA_IN(1, nor->bouncebuf, 1));  in s28hs512t_post_bfpt_fixup()
159 	ret = spi_mem_exec_op(nor->spimem, &op);  in s28hs512t_post_bfpt_fixup()
163 	if (nor->bouncebuf[0] & SPINOR_REG_CYPRESS_CFR3V_PGSZ)  in s28hs512t_post_bfpt_fixup()
164 		nor->params->page_size = 512;  in s28hs512t_post_bfpt_fixup()
166 		nor->params->page_size = 256;  in s28hs512t_post_bfpt_fixup()
178 s25fs_s_post_bfpt_fixups(struct spi_nor *nor,  in s25fs_s_post_bfpt_fixups()  argument
188 	nor->params->page_size = 256;  in s25fs_s_post_bfpt_fixups()
279 static void spansion_post_sfdp_fixups(struct spi_nor *nor)  in spansion_post_sfdp_fixups()  argument
281 	if (nor->params->size <= SZ_16M)  in spansion_post_sfdp_fixups()
284 	nor->flags |= SNOR_F_4B_OPCODES;  in spansion_post_sfdp_fixups()
286 	nor->erase_opcode = SPINOR_OP_SE;  in spansion_post_sfdp_fixups()
287 	nor->mtd.erasesize = nor->info->sector_size;  in spansion_post_sfdp_fixups()