[U-Boot-Users] [PATCH] Make sleep shell command is reliablefor all architectures

Wolfgang Denk wd at denx.de
Tue May 20 20:42:03 CEST 2008


In message <1211295950.3617.17.camel at mcmullan-linux.cifs.lab.netapp.com> you wrote:
> 
> Yes, but get_timer() is not guaranteed to return 0 to MAX_ULONG, as
> far as I can tell.

I'm not sure what you mean by that statement.

> On MIPS (even after my CFG_HZ patch), get_timer() will only return
> 0 to 14316 on a 300MHZ machine, as the 32-bit MIPS tick timer that
> forms the MIPS time base wraps to 0 after 14.316 seconds.

That's a bug in the MIPS implementation, then.

> Well, then we've got a big problem on MIPS.

A fixable one, I hope.

Best regards,

Wolfgang Denk

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