Wiadomość napisana przez s_g...@telus.net w dniu 02.02.2019, o godz. 21:30: > > > > -----Original Message----- > From: s_g...@telus.net <s_g...@telus.net> > Sent: February 2, 2019 11:29 AM > To: 'Krystian Lewandowski' <k.lewandow...@icloud.com> > Subject: RE: initial cpu speed on orangepi one and orangepi pc2 - probably > other H5 and H3 boards > > Thank you for your reply. > The stock dtbs do not have the "operating-points-v2" and it follows that > there is no frequency set by the dtb. > Can you point me to a dtb block that has the property with an example of > setting the frequency. >
Maybe this one? https://github.com/torvalds/linux/blob/master/arch/arm/boot/dts/sun8i-h3.dtsi#L46 <https://github.com/torvalds/linux/blob/master/arch/arm/boot/dts/sun8i-h3.dtsi#L46> -- Krystian > One dtb: > clock@1c20000 { > reg = < 0x1c20000 0x400 >; > clocks = < 0x0e 0x0f >; > clock-names = "hosc\0losc"; > #clock-cells = < 0x01 >; > #reset-cells = < 0x01 >; > compatible = "allwinner,sun8i-h3-ccu"; > phandle = < 0x03 >; > }; > > Pc2 dtb: > > clock@1c20000 { > reg = < 0x1c20000 0x400 >; > clocks = < 0x0e 0x0f >; > clock-names = "hosc\0losc"; > #clock-cells = < 0x01 >; > #reset-cells = < 0x01 >; > compatible = "allwinner,sun50i-h5-ccu"; > phandle = < 0x03 >; > }; > > Stephen Graf > > -----Original Message----- > From: Krystian Lewandowski <k.lewandow...@icloud.com> > Sent: February 2, 2019 10:53 AM > To: s_g...@telus.net > Cc: arm@openbsd.org > Subject: Re: initial cpu speed on orangepi one and orangepi pc2 - probably > other H5 and H3 boards > > Wiadomość napisana przez s_g...@telus.net w dniu 02.02.2019, o godz. 18:26: >> >> I just realized that the cpu speed on these boards defaults on start-up, the >> pc2 to 816Mhz and the one to 1008 Mhz. Both of these machines should be able >> to run at 1300Mhz. >> The pc2 speed can be changed with hw.setperf, but not the one. >> Can the sxiccmu module be changed to read a value from the dtb to use as the >> initial cpu speed? >> > > Does the DT for OrangePi One have the "operating-points-v2" property? > > It seems H3 is already supported by OpenBSD: > https://github.com/openbsd/src/blob/master/sys/dev/fdt/sxiccmu.c#L110 > > -- > Krystian >
