On Mon, Apr 19, 2010 at 3:41 PM, Scott Wood <scottw...@freescale.com> wrote:
>> What was so special about the 8349ITX that icache() didn't work?
>> You're changing the HDI0 values for all of the 83xx boards, but AFAIK,
>> only the ITX had this problem.
>
> All 83xx boards had the performance problem of not enabling icache until
> after relocation.
That's not what I was asking. The ITX was different from other 83xx
boards. It doesn't define CONFIG_MPC83xx (and with this patch, it
still won't define it), so a lot of things weren't happening,
including this:
#if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83xx)
icache_enable (); /* it's time to enable the instruction cache */
#endif
Kim references the ITX in this patch, but I don't see how the problem
I just described is fixed.
--
Timur Tabi
Linux kernel developer at Freescale
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