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Message-ID: <fe0d235ff45dea2cd808b0d86b5601b333915fd4.camel@toradex.com> Date: Wed, 31 Aug 2022 08:12:41 +0000 From: Marcel Ziswiler <marcel.ziswiler@...adex.com> To: Philippe Schenker <philippe.schenker@...adex.com>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "embed3d@...il.com" <embed3d@...il.com>, "qiangqing.zhang@....com" <qiangqing.zhang@....com> CC: "philipp.rossak@...mulastudent.de" <philipp.rossak@...mulastudent.de>, "guoniu.zhou@....com" <guoniu.zhou@....com>, "aisheng.dong@....com" <aisheng.dong@....com>, "abel.vesa@....com" <abel.vesa@....com>, "andrew@...n.ch" <andrew@...n.ch>, "linux-imx@....com" <linux-imx@....com> Subject: Re: Question: Ethernet Phy issues on Colibri IMX8X (imx8qxp) - kernel 5.19 On Thu, 2022-08-11 at 08:07 +0000, Philippe Schenker wrote: > On Wed, 2022-08-10 at 20:40 +0200, Philipp Rossak wrote: > > > Hi Marcel, > > > > > > thanks! > > > > > > With the removed line it is working now! > > > > > > I hope there will be a mainlined solution soon. Yes, I am still hoping for more information from NXP on that matter. @NXP: Anybody? > This is an interesting question. Since it's a SCFW issue and a general > question about these SoCs, I'll take the liberty of hijacking this > thread for some questions (since NXP is also in the loop now). > > @NXP people: which SCFW version should be used in general with mainline > linux-kernel ? > And how is it planned to proceed with SC-firmware enabled SoCs on > mainline linux? > Is the SCFW API backward compatible? > If so, from which version on? > > Thanks in advance for enlightening us all on this SCFW issue. > > Philippe > > > > Cheers > > > Philipp > > > > > > On 10.08.22 10:05, Marcel Ziswiler wrote: > > > > > Sali Philipp > > > > > > > > > > On Wed, 2022-08-10 at 00:55 +0200, Philipp Rossak wrote: > > > > > > > Hi, > > > > > > > > > > > > > > I currently have a project with a Toradex Colibri IMX8X SOM > > > > > > > board> >> whith > > > > > > > an onboard Micrel KSZ8041NL Ethernet PHY. > > > > > > > > > > > > > > The hardware is described in the devictree properly so I > > > > > > > expected> >> that > > > > > > > the onboard Ethernet with the phy is working. > > > > > > > > > > > > > > Currently I'm not able to get the link up. > > > > > > > > > > > > > > I already compared it to the BSP kernel, but I didn't found> > > > > > > > > > anything > > > > > > > helpful. The BSP kernel is working. > > > > > > > > > > > > > > Do you know if there is something in the kernel missing and > > > > > > > got it> >> running? > > > > > > > > > > Yes, you may just revert the following commit babfaa9556d7 > > > > > ("clk:> >imx: scu: add more scu clocks") > > > > > > > > > > Alternatively, just commenting out the following single line > > > > > also> >helps: > > > > > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/clk/imx/clk-imx8qxp.c?h=v5.19#n172 > > > > > > > > > > I just found this out about two weeks ago before I went to > > > > > vacation> >and since have to find out with NXP what > > > > > exactly the idea of this clocking/SCFW stuff is related to our> > > > > > > hardware. > > > > > > > > > > @NXP: If any of you guys could shed some light that would be > > > > > much> >appreciated. Thanks! > > > > > > > > > > > > Thanks, > > > > > > > Philipp > > > > > > > > > > Cheers > > > > > > > > > > Marcel
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