> Date: Sun, 18 Sep 2016 15:35:18 +1000 > From: Jonathan Gray <j...@jsg.id.au> > > On Wed, Sep 14, 2016 at 11:43:31PM +0200, Mark Kettenis wrote: > > > From: John DiMarco <j...@cs.toronto.edu> > > > Date: Tue, 13 Sep 2016 12:32:05 -0400 > > > > > > In message <201609120838.u8c8cvhf002...@glazunov.sibelius.xs4all.nl> Mark > > > Kettenis writes: > > > >I fixed the sxie(4) tx watchdog issue yesterday. So new snapshots > > > >should be working much better. > > > > > > I tried yesterday's snapshot -- the tx watchdog issue is gone. Thank you! > > > tx speed is very slow though: scp of a 100k file out of the cubieboard > > > was under 4KB/sec. Still better than hang. > > > > The hardware is pretty dumb and requires that some external agent > > pushes every 32-bit word of a packet through its FIFO. In the current > > driver that external agent is the CPU. It should be possible to use > > one of the DMA engines on the SoC instead. > > > > > >You can just write a miniroot image to > > > >your SD card and then overwrite the bootloader: > > > > > > > ># dd if=miniroot-cubie-60.fs of=/dev/rsdXc > > > ># dd if=/usr/local/share/u-boot/Cubieboard/u-boot-sunxi-with-spl.bin \ > > > > of=/dev/rsdXc bs=1024 seek=8 > > > > > > > ... > > > > > > > > http://ftp.openbsd.org/pub/OpenBSD/6.0/packages/amd64/u-boot-2016.07.tgz > > > > > > These instructions worked perfectly, thank you! I wonder if it's > > > worthwhile > > > to add the above to the install instructions? > > > > Yes, that's my plan. > > > > It's a bit hard to explain, but perhaps something like this: > > Index: prep > =================================================================== > RCS file: /cvs/src/distrib/notes/armv7/prep,v > retrieving revision 1.10 > diff -u -p -r1.10 prep > --- prep 23 Jul 2016 16:22:17 -0000 1.10 > +++ prep 18 Sep 2016 05:27:28 -0000 > @@ -52,3 +52,35 @@ script. > => bootefi ${kernel_addr_r} ${fdt_addr_r} > The bootloader will then run and try to load sd0a:/bsd off an FFS > filesystem after a timeout. > + > +Install on systems without a supported miniroot: > + > + If a miniroot is not available for your system you will have to modify > + the image before booting it. > + > + To do so first install the u-boot and dtb packages. Write one of the > + provided miniroot images to an SD card: > + > + dd if=miniroot-beagle-{:--:}OSrev.fs of=/dev/rsdXc > + > + Add a board specific DTB file: > + > + mount /dev/sdXi /mnt > + cp /usr/local/share/dtb/arm/board.dtb /mnt/ > + umount /mnt > + > + For systems based on Texas Instruments OMAP and AMxxxx SoCs: > + > + mount /dev/sdXi /mnt > + cp /usr/local/share/u-boot/board-name/{MLO,u-boot.img} /mnt/ > + umount /mnt > + > + For systems based on Freescale/NXP i.MX SoCs: > + > + dd if=/usr/local/share/u-boot/board/SPL of=/dev/rsdXc bs=1024 seek=1 > + dd if=/usr/local/share/u-boot/board/u-boot.img of=/dev/rsdXc bs=1024 > seek=69 > + > + For systems based on Allwinner Axx Socs: > + > + dd if=/usr/local/share/u-boot/board/u-boot-sunxi-with-spl.bin \ > + of=/dev/rsdXc bs=1024 seek=8
Looks correct to me, and I think that's a useful addition until we come up with a better solution.
