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Re: gcc ld and bss sections on SDRAM

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Am 18.03.2022 um 08:56 schrieb pozz:
> I know I can rewrite ResetISR() or bss_init() to avoid accessing
> external bus addresses or I can configure SDRAM during ResetISR() before
> calling bss_init().
> 
> I suspect there's a better and more cleaner way. Noinit sections?

When I did bootloaders, I did the SDRAM initialisation there, before the
application starts. This also means there's a nice place to deal with
board varieties, i.e. if I have a board variant with a different SDRAM
chip, I only have to change the bootloader. And it allows loading parts
of the application code into SDRAM, if that is relevant for you.

Otherwise, I'd probably use a noinit section.


  Stefan

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gcc ld and bss sections on SDRAM pozz <pozzugno@gmail.com> - 2022-03-18 08:56 +0100
  Re: gcc ld and bss sections on SDRAM David Brown <david.brown@hesbynett.no> - 2022-03-18 11:15 +0100
    Re: gcc ld and bss sections on SDRAM pozz <pozzugno@gmail.com> - 2022-03-18 11:49 +0100
  Re: gcc ld and bss sections on SDRAM Stefan Reuther <stefan.news@arcor.de> - 2022-03-18 17:57 +0100
    Re: gcc ld and bss sections on SDRAM pozz <pozzugno@gmail.com> - 2022-03-19 16:05 +0100

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