[U-Boot] [PATCH] nds32: split common cache access from cpu into lib

Marek Vasut
2012-07-19T09:02:21Z

Dear Mike Frysinger,

> On Sunday 15 July 2012 04:12:45 Marek Vasut wrote:
> > Dear Macpaul Lin,
> >
> > > +void flush_cache(unsigned long addr, unsigned long size)
> > > +{
> > > + flush_dcache_range(addr, addr + size);
> > > + invalidate_icache_range(addr, addr + size);
> >
> > You probably want to flush dcache in here and that's it.
>
> i don't think so ... i think that's what flush_dcache_range() is for. and
> our common/cmd_*.c files assume that flush_cache() will invalidate icache
> (see the bootm/load funcs that write executable content into memory and
> then flush the regions).

Than it's borked on arm926ejs too ... ?

Best regards,
Marek Vasut