[meta-xilinx] [PATCH 0/5] Updates to u-boot-xlnx

[andrey]

Mike, Nathan,

Thank you for your comments. We are now working on ezynq update, will try to use new Kconfig alternative to configure all the chip files (ezynq has separate config files for memories) and to so to make configuration setup more consistent. 

I like your idea "having u-boot only set the barest necessities" this is what we did with our old camera when modifying distro from Axis (SoC manufacturer). Originally they kept a ported copy of mtd drivers in their bootloader to be able to program NAND, handle bad blocks without the kernel, but we believe this code duplication leads to problems. Instead our version of the bootloader was not able to write to flash - just read, used ROM-based network boot to load kernel, and only then the flash was programmed. Of course U-Boot is much more advanced than that 10-year old system, but I would definitely like similar thing here - minimal functionality to boot the OS, preserve debugging functionality for those who bring new hardware to life, but other than that - do the rest when the system is booted.

Andrey


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