Hi, Am Mittwoch, 25. September 2019, 17:01:16 CEST schrieb Guillaume Gardet: > Hi, > > > -----Original Message----- > > From: Fabian Vogt <[email protected]> > > Sent: 25 September 2019 07:42 > > To: [email protected] > > Cc: Matthias Brugger <[email protected]>; Linux Kamarada > > <[email protected]>; Nicolas Saenz Julienne > > <[email protected]> > > Subject: Re: [opensuse-arm] Raspberry Pi 4 Model B > > > > Hi, > > > > Am Mittwoch, 25. September 2019, 13:43:44 CEST schrieb Fabian Vogt: > > > Hi, > > > > > > Am Mittwoch, 25. September 2019, 13:16:37 CEST schrieb Matthias Brugger: > > > > > > > > On 25/09/2019 11:57, Fabian Vogt wrote: > > > > > Hi, > > > > > > > > > > Am Dienstag, 24. September 2019, 16:49:42 CEST schrieb Matthias > > > > > Brugger: > > > > >> Hi, > > > > >> > > > > >> On 24/09/2019 13:24, Linux Kamarada wrote: > > > > >>> Hi, everyone! > > > > >>> > > > > >>> AFAIK openSUSE does not support Raspberry Pi 4 Model B yet. [1] > > > > >>> > > > > >>> I’ve bought that board, I know the very basics on how to use it > > > > >>> [2] and I want to help to port openSUSE to it. How can I start? > > > > >>> > > > > >> > > > > >> I'm working on some (still hacky) support for RPi4. > > > > >> You can find the JeOS image in my home project [1]. > > > > >> Beware that I was able to break the build of U-Boot yesterday. > > > > >> I'll try to fix this tonight. > > > > > > > > > > I just gave that image a try and after a while staring at a > > > > > console with no activity I noticed that it's the JeOS with > > > > > jeos-firstboot, so I had to remove "console=tty" to actually see > > > > > anything. Using the HDMI console won't really work without USB > > > > > support. > > > > > > > > Why? HDMI output should work. > > > > > > Yes, but without any ability for interaction not really useful. > > > > > > > > Also, chrony-wait should be disabled, it delays booting by 10min > > > > > as no network is currently working. > > > > > > > > Yes, networking is on my list. > > > > > > > > > What doesn't work: > > > > > - USB (expected), but the OTG port seems to be available. It's forced > > > > > to > > host > > > > > mode by the kernel though as gadget support is not enabled > > > > > - WiFi: brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl > > 0x50 > > > > > I see that you force-disabled WiFi stuff in JeOS.kiwi, I had to > > > > > copy over the > > > > > firmware manually > > > > > > > > Does it work reliably? I heard that it has some hick-ups. > > > > > > It doesn't work at all here, it fails because of the mentioned timeout. > > > > > > > > - Ethernet: Gets detected just fine, but when actually sending > > > > > packets the > > > > > kernel freezes (sometimes with > > > > > NETDEV WATCHDOG: eth0 (bcmgenet): transmit queue 1 timed out) > > > > > - Sometimes the UART (clock?) glitches and there's garbled text > > > > > > > > Really? Did you change anything in the config.txt? I haven't > > > > experienced this up to now. > > > > > > Nope. I see it occasionally after between grub and the login prompt. I > > > can't 100% rule out a bad connection, but as it doesn't glitch out > > > after logging in at all I think that's unlikely. > > > > > > > > What does work: > > > > > - u-boot, grub, kernel, sd card, serial > > > > > - I/O activity LED :D > > > > > - cpufreq: Speed of "bc" corresponds roughly to CPU frequency > > > > > > > > > > So very nice progress already! > > > > > > > > Thanks :) > > > > > > > > > I'll try to build a kernel with dwc2 peripheral support, maybe that's > > > > > enough. > > > > > Probably not though, considering it's USB-C... > > > > > > > > That's not enough. Nicolas is working on some patches to enable PCI, > > > > which is needed by USB. > > > > > > For the USB-A ports, yes. Also for USB-C which is connected to the > > > dwc2 which the kernel already initializes properly? > > > > > > My kernel-default wasn't picked up by OBS yet for the last three hours > > > :-/ > > > > Success! It works fine with a USB-C -> USB-A cable. Run: > > > > -CONFIG_USB_DWC2_HOST=y > > +# CONFIG_USB_DWC2_HOST is not set > > -# CONFIG_USB_DWC2_DUAL_ROLE is not set > > +CONFIG_USB_DWC2_DUAL_ROLE=y > > Could you send a patch to get this into openSUSE/SUSE kernels configs > (master, stable, 15.2, etc.), please?
I noticed that dual-role modes were already enabled for dwc2+dwc3 on armv6+armv7. Pull requests to those three branches are sent. SLES doesn't support USB gadget mode AFAIK, so I didn't do anything there. I guess that's also how this ended up being host-only for arm64. Cheers, Fabian > Thanks, > Guillaume > > > > > modprobe libcomposite u_ether > > mount none -t configfs /mnt > > cd /mnt/usb_gadget > > mkdir g1 > > cd g1 > > mkdir configs/c.1 functions/eem.usb0 > > ln -s functions/eem.usb0 configs/c.1/ > > echo fe980000.usb > UDC > > > > Forward a network connection, then: > > > > echo "BOOTPROTO=dhcp" > /etc/sysconfig/network/ifcfg-usb0 ifup usb0 > > > > and you can ssh onto the pi4 and download stuff. > > > > localhost:~ # hdparm -tT /dev/mmcblk1 > > /dev/mmcblk1: > > Timing cached reads: 1632 MB in 2.00 seconds = 816.32 MB/sec > > HDIO_DRIVE_CMD(identify) failed: Invalid argument Timing buffered disk > > reads: > > 126 MB in 3.01 seconds = 41.90 MB/sec > > > > I played around with some other programs and it seems like CPU performance > > has roughly doubled compared to a 3B+. > > Even over X11 forwarding applications run very smoothly. > > > > On my wish list is now to have u-boot use the device tree from the firmware > > for > > its own initialization as well, so that hardcoding of addresses isn't > > necessary > > anymore. That way we wouldn't need a new u-boot-rpi4 flavor and new JeOS > > flavors installing it instead of u-boot-rpi3. > > > > Cheers, > > Fabian > > > > > Cheers, > > > Fabian > > > > > > > Regards, > > > > Matthias > > > > > > > > > > > > > > Cheers, > > > > > Fabian > > > > > > > > > >> Regards, > > > > >> Matthias > > > > >> > > > > >> [1] > > > > >> https://build.opensuse.org/project/monitor/home:mbrugger:branches > > > > >> :RPi4 > > > > >> > > > > >>> Let’s have a lot of fun! :D > > > > >>> > > > > >>> > > > > >>> [1]: > > > > >>> https://forums.opensuse.org/showthread.php/536541-Can-Raspberry- > > > > >>> Pi-4-run-openSUSE-LEAP-15-1/ > > > > >>> > > > > >>> https://www.reddit.com/r/openSUSE/comments/c6xvnr/raspberry_pi_4 > > > > >>> / > > > > >>> > > > > >>> https://www.raspberrypi.org/forums/viewtopic.php?t=244248 > > > > >>> > > > > >>> [2]: > > > > >>> https://kamarada.github.io/pt/2019/09/20/primeiros-passos-no-ras > > > > >>> pberry-pi-com-noobs-e-raspbian/ (in Brazilian Portuguese, but > > > > >>> English translation is on the way) > > > > >>> > > > > >>> > > > > >>> Antonio > > > > >>> The Linux Kamarada Project > > > > >>> http://kamarada.github.io/ > > > > > > -- > > To unsubscribe, e-mail: [email protected] > > To contact the owner, e-mail: [email protected] -- To unsubscribe, e-mail: [email protected] To contact the owner, e-mail: [email protected]
