Messages in this thread | | | From | Arnd Bergmann <> | Date | Mon, 11 Jan 2021 11:37:02 +0100 | Subject | Re: Old platforms: bring out your dead |
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On Mon, Jan 11, 2021 at 11:28 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote: > > > Regarding 32-bit vs 64-bit kernels, can you clarify what makes this one > > > a 32-bit board? Is this just your preference for which kernel you install, > > > or are there dependencies on firmware or hardware that require running > > > this machine in 32-bit mode? > > > > TX492x is 32-bit (/proc/cpuinfo says mips1/mips2/mips3), TX493x is 64-bit. > > As Debian dropped support for mips3 and older, I'm stuck at a Jessie nfsroot. > > Upon closer look, all TX49xx are 64-bit, but the VxWorks boot loader > refuses to boot 64-bit kernels ("Size is incorrect"), hence I settled > for a 32-bit kernel config a long time ago.
Ah, that makes sense.
> Probably I need to write a 32-bit bootwrapper first. which would allow > me to upgrade the Debian userland beyond jessie using mips64el?
No, I don't think it would help you here, as Debian Stretch requires either MIPS32r2 or MIPS64r2 processors, so neither MIPS-II nor MIPS-III work any more.
Not sure what others are running on their pre-r2 hardware these days.
Arnd
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