[U-Boot] [PATCH 2/2] Exynos: Fix ARM Clock frequency calculation
Wolfgang Denk
wd at denx.de
Mon Dec 19 08:57:28 CET 2011
Dear Chander Kashyap,
In message <1324275424-29468-3-git-send-email-chander.kashyap at linaro.org> you wrote:
> Earliar ARM clock frequency was calculated by:
> MOUTAPLL/(DIVAPLL + 1) which is actually returning SCLKAPLL.
> It is fixed by calcuating it as follows:
Um.... Comment and code disagree:
> ARMCLK=MOUTCORE/(DIVCORE + 1)/DIVCORE2 + 1)
...or is this just missing a paren?
> + dout_apll = get_pll_clk(APLL) / (core_ratio + 1);
> + dout_apll /= (core2_ratio + 1);
This gives
ARMCLK=MOUTCORE/(DIVCORE + 1)/ (DIVCORE2 + 1)
Please check if this is correct.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Bus error -- driver executed.
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