Date: Thu, 8 Mar 2018 06:18:06 +0100 From: Emmanuel Vadot <manu@bidouilliste.com> To: Luc Hondareyte <hondareyte.luc@laposte.net> Cc: Luc Hondareyte via freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: cpufreq support on Allwinner H3 Message-ID: <20180308061806.d9c9c7282d1a956d86b6bb22@bidouilliste.com> In-Reply-To: <5332936b-f38b-ca7a-03d9-dfc7c92e2727@laposte.net> References: <5332936b-f38b-ca7a-03d9-dfc7c92e2727@laposte.net>
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On Tue, 6 Mar 2018 20:59:37 +0100 Luc Hondareyte via freebsd-arm <freebsd-arm@freebsd.org> wrote: > Hi, >=20 > I've just build 12-current for Allwinner H3=A0 (armv7) and it seems that= =20 > cpufreq support is missing (orangepi or nanopi): There is no opp table (freq<->voltage table) in the DTS that's why it's not working. I think I've seen patches on the linux-arm kernel mailing list to add them but even with thoses we will need support for the v2 opp. > root@allwinner-h3:~ # service powerd onestart > Starting powerd. > powerd: no cpufreq(4) support -- aborting: No such file or directory > /etc/rc.d/powerd: WARNING: failed to start powerd >=20 > So, on nanopi neo, it's slowdown (not on orange-pi that seems to run at=20 > full speed). I am using a custom kernel conf that just contains: >=20 > include GENERIC > nooptions=A0=A0=A0=A0=A0=A0 INVARIANTS > nooptions=A0=A0=A0=A0=A0=A0 INVARIANT_SUPPORT > nooptions=A0=A0=A0=A0=A0=A0 WITNESS > nooptions=A0=A0=A0=A0=A0=A0 WITNESS_SKIPSPIN > nooptions=A0=A0=A0=A0=A0=A0 BUF_TRACKING > nooptions=A0=A0=A0=A0=A0=A0 DEADLKRES > nooptions=A0=A0=A0=A0=A0=A0 FULL_BUF_TRACKING >=20 You can use the GENERIC-NODEBUG for that --=20 Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>
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