7 #include <linux/mtd/spi-nor.h>
32 /* Xilinx S3AN share MFR with Atmel SPI NOR */
51 static u32 s3an_nor_convert_addr(struct spi_nor *nor, u32 addr)  in s3an_nor_convert_addr()  argument
53 	u32 page_size = nor->params->page_size;  in s3an_nor_convert_addr()
65  * @nor:	pointer to 'struct spi_nor'.
71 static int xilinx_nor_read_sr(struct spi_nor *nor, u8 *sr)  in xilinx_nor_read_sr()  argument
75 	if (nor->spimem) {  in xilinx_nor_read_sr()
78 		spi_nor_spimem_setup_op(nor, &op, nor->reg_proto);  in xilinx_nor_read_sr()
80 		ret = spi_mem_exec_op(nor->spimem, &op);  in xilinx_nor_read_sr()
82 		ret = spi_nor_controller_ops_read_reg(nor, XILINX_OP_RDSR, sr,  in xilinx_nor_read_sr()
87 		dev_dbg(nor->dev, "error %d reading SR\n", ret);  in xilinx_nor_read_sr()
95  * @nor:	pointer to 'struct spi_nor'.
99 static int xilinx_nor_sr_ready(struct spi_nor *nor)  in xilinx_nor_sr_ready()  argument
103 	ret = xilinx_nor_read_sr(nor, nor->bouncebuf);  in xilinx_nor_sr_ready()
107 	return !!(nor->bouncebuf[0] & XSR_RDY);  in xilinx_nor_sr_ready()
110 static int xilinx_nor_setup(struct spi_nor *nor,  in xilinx_nor_setup()  argument
116 	ret = xilinx_nor_read_sr(nor, nor->bouncebuf);  in xilinx_nor_setup()
120 	nor->erase_opcode = XILINX_OP_SE;  in xilinx_nor_setup()
121 	nor->program_opcode = XILINX_OP_PP;  in xilinx_nor_setup()
122 	nor->read_opcode = SPINOR_OP_READ;  in xilinx_nor_setup()
123 	nor->flags |= SNOR_F_NO_OP_CHIP_ERASE;  in xilinx_nor_setup()
136 	if (nor->bouncebuf[0] & XSR_PAGESIZE) {  in xilinx_nor_setup()
138 		page_size = (nor->params->page_size == 264) ? 256 : 512;  in xilinx_nor_setup()
139 		nor->params->page_size = page_size;  in xilinx_nor_setup()
140 		nor->mtd.writebufsize = page_size;  in xilinx_nor_setup()
141 		nor->params->size = nor->info->size;  in xilinx_nor_setup()
142 		nor->mtd.erasesize = 8 * page_size;  in xilinx_nor_setup()
145 		nor->params->convert_addr = s3an_nor_convert_addr;  in xilinx_nor_setup()
146 		nor->mtd.erasesize = nor->info->sector_size;  in xilinx_nor_setup()
152 static int xilinx_nor_late_init(struct spi_nor *nor)  in xilinx_nor_late_init()  argument
154 	nor->params->setup = xilinx_nor_setup;  in xilinx_nor_late_init()
155 	nor->params->ready = xilinx_nor_sr_ready;  in xilinx_nor_late_init()