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Yocto 4.1 where in build to tweak nand parameters?

Question asked by Edward Tyrrell on Feb 28, 2018
Latest reply on Feb 28, 2018 by Edward Tyrrell

We've changed the nand to a slightly smaller variant but within the device blocks and pages sizes are considerable different. Problem is the device id is the same for both confusing pretty much everything, mainly uboot.


1) The old LTIB build I could tweak the parameters in nand_device_info.c but how is the equivalent achieved in Yocto? 

 2) How where/does Yocto detect the type of nand, more importantly in my immediate case is this information passed to uboot?