[U-Boot-Users] [PATCH] mips: tolerate the MIPS 'CFG_HZ' values in the MHZ range for NAND delays

Haavard Skinnemoen haavard.skinnemoen at atmel.com
Tue May 20 11:22:14 CEST 2008


Wolfgang Denk <wd at denx.de> wrote:
> In message <20080520102743.6557124b at hskinnemo-gx745.norway.atmel.com> you wrote:
> >
> > Is it acceptable to define it as 1024 on some boards? It's more accurate
> > if you're running the timer from a 32.768 kHz oscillator (e.g. an RTC),
> > and it makes timing calculations cheaper too...  
> 
> We use a millisecond tick, so CFG_HZ == 1000.
> 
> Accuracy is not really an issue in almost all cases.

In which cases _is_ it an issue?

Haavard




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