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Date: Fri, 13 Sep 2013 00:23:21 +0800
Message-ID: <CAK3cCByUJG42D6w4e1tdnXY0TQ517yOjQxFZJEnsyS4d0bxZyQ@mail.gmail.com>
Subject: Re: [linux-sunxi] Re: [PATCH 4/4] Add arch count timer node in dts
 for Allwinner A20(sunxi 7i).
From: cinifr <cinifr@gmail.com>
To: Ian Campbell <ijc@hellion.org.uk>
Cc: "linux-sunxi@googlegroups.com" <linux-sunxi@googlegroups.com>,
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On 12 September 2013 23:44, Ian Campbell <ijc@hellion.org.uk> wrote:
> On Thu, 2013-09-12 at 15:57 +0100, Mark Rutland wrote:
>
>> > +                   interrupts = <1 13 0x308>,
>> > +                                <1 14 0x308>,
>> > +                                <1 11 0x308>,
>> > +                                <1 10 0x308>;
>> > +                   clock-frequency = <24000000>;
>>
>> If at all possible, your bootloader should set CNTFREQ, and
>> clock-frequency should only be used as a last resort when it's
>> impossible to get it to set CNTFREQ. It's not possible to set CNTFREQ
>> from the non-secure side, so guests (which might not be Linux, and might
>> not handle DT in the same way) may see a completely wrong frequency
>> value.
Yes, My bootloader dont set it, and I have to set it at  dtsi  fot
boot, I found <clock-frequency> is be set in dtsi file for ohters
cups.
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