62  * newer chips report JEDEC manufacturer and device IDs; chip
449 	 * JEDEC id has a high byte of zero plus three data bytes:
509 	uint32_t		jedec;  in jedec_probe()  local
514 	 * JEDEC also defines an optional "extended device information"  in jedec_probe()
524 		printf("dataflash: error %d reading JEDEC ID\n", tmp);  in jedec_probe()
530 	jedec = id[0];  in jedec_probe()
531 	jedec = jedec << 8;  in jedec_probe()
532 	jedec |= id[1];  in jedec_probe()
533 	jedec = jedec << 8;  in jedec_probe()
534 	jedec |= id[2];  in jedec_probe()
539 		if (info->jedec_id == jedec) {  in jedec_probe()
565 	printf("dataflash: JEDEC id %06x not handled\n", jedec);  in jedec_probe()
570  * Detect and initialize DataFlash device, using JEDEC IDs on newer chips
599 	 * Try to detect dataflash by JEDEC ID.  in spi_dataflash_probe()