Hi thanks for providing the dumps. > 1. MX25L51245G .. > zynq> sha256sum /sys/bus/spi/devices/spi2.0/spi-nor/sfdp > 7281b0a355a4497ec6256c57b81c3d2b303bc34220cb77790278d719d7465276 > /sys/bus/spi/devices/spi2.0/spi-nor/sfdp > > 2. MX25L51273G .. > zynq> sha256sum /sys/bus/spi/devices/spi2.0/spi-nor/sfdp > 7281b0a355a4497ec6256c57b81c3d2b303bc34220cb77790278d719d7465276 > /sys/bus/spi/devices/spi2.0/spi-nor/sfdp Different parts, same ID, same SFDP :(( Are they the same from a software perspective? With Macronix reusing the same ID for different flash chips it makes software support for different features really hard. And with even with the SFDP being the very same, it's impossible to distinguish them during auto probing. -michael