On Fri, Oct 11, 2013 at 11:46:39PM +0300, Artturi Alm wrote: > On 10/11/13 20:39, Markus Hennecke wrote: > >On Sat, 5 Oct 2013, Artturi Alm wrote: > > > >>Current version attached, extract to /sys/arch/armv7 and read the short > >>notes file, no more out of allwinner/ patches needed thanks to armv7. > >> > >>A20 support still needs a workaround under /sys/arch/arm/cortex/ which > >>i didn't include as i think support is still 'subtly' broken anyway.. > >>And ahci is still not working for me, but there's a couple of > >>new drivers included. > >>Ethernet driver survived make build of userland with /usr/src mounted > >>via nfs, fwiw. > >> > >>Now this is totally usable for me as-is already, so any feedback is > >>welcome, be it finding out possible bugs and/or confirming it's working. > > > >Great work! I made a few changes to fix the timer code for the A20 CPU, > >the diff to your code is attached. With this I am almost booting the > >kernel on a cubieboard 2: > > > >Copyright (c) 1982, 1986, 1989, 1991, 1993 > > The Regents of the University of California. All rights reserved. > >Copyright (c) 1995-2013 OpenBSD. All rights reserved. http://www.OpenBSD.org > > > >OpenBSD 5.4-current (GENERIC-ALLWINNER) #22: Fri Oct 11 19:17:11 CEST 2013 > > > > mar...@antigone.markus-hennecke.de:/usr/src/sys/arch/armv7/compile/GENERIC-ALLWINNER > >real mem = 1073741824 (1024MB) > >avail mem = 1040007168 (991MB) > >mainbus0 at root > >cortex0 at mainbus0 > >ampintc0 at cortex0 nirq 160 > >cpu0 at mainbus0: ARM Cortex A7 rev 4 (ARMv7 core) > >cpu0: DC enabled IC enabled WB disabled EABT branch prediction enabled > >cpu0: 32KB(32b/l,2way) I-cache, 32KB(64b/l,4way) wr-back D-cache > >allwinner0 at mainbus0: A20 > >awpio0 at allwinner0 > >awccmu0 at allwinner0 > >awtimer0 at allwinner0: tick rate 32KHz hz 100 stat rate 32KHz stathz 128 > > counter 24000 KHz > >awdog0 at allwinner0 > >awrtc0 at allwinner0 > >awuart0 at allwinner0: console > >awe0 at allwinner0 > >awe0: address 00:00:00:00:00:00 > >rlphy0 at awe0 phy 1: RTL8201L 10/100 PHY, rev. 1 > >ahci0 at allwinner0 GHC 0x80000000<AE> AHCI 1.1 > >ahci0: capabilities > >0x6726ff80<NCQ,SSNTF,SALP,SAL,SCLO,SAM,SPM,PMD,SSC,PSC,CCCS>, 1 ports, 32 > >cmds, gen 1 (1.5Gbps) and 2 (3Gbps) > >ahci0: ports implemented: 0x00000001 > >ahci0.0: port reset > >ahci0: no device detected on port 0 > >scsibus0 at ahci0: 32 targets > >ehci0 at allwinner0 > >usb0 at ehci0: USB revision 2.0 > >uhub0 at usb0 "Allwinner EHCI root hub" rev 2.00/1.00 addr 1 > >ehci1 at allwinner0 > >usb1 at ehci1: USB revision 2.0 > >uhub1 at usb1 "Allwinner EHCI root hub" rev 2.00/1.00 addr 1 > >gpio0 at awpio0: 18 pins > >gpio1 at awpio0: 24 pins > >gpio2 at awpio0: 25 pins > >gpio3 at awpio0: 28 pins > >gpio4 at awpio0: 12 pins > >gpio5 at awpio0: 6 pins > >gpio6 at awpio0: 12 pins > >gpio7 at awpio0: 28 pins > >gpio8 at awpio0: 22 pins > >/dev/ksyms: Symbol table not valid. > > > >Here the output stops, I will look into that later. At this point I am > >unable to figure out how to set the ethaddr in the u-boot version I am > >using. setenv ethaddr xx:xx:xx:xx:xx:xx doesn't seem to have any effect. > > > >Kind regards > >Markus > > > > Hi, > > Thanks for the patch, it looks correct when compared to the user manual > and shows how ugly sources may get when not paid enough attention, > will fix the whitespaces there also. Note that Cortex-A7 should > support agtimer found in arch/arm/cortex, which would allow cleaning > up awtimer.c from the 'added on'-kind of hacks to support A20, > priorities have kept me from trying that one out so far. > > To allow it to boot further you would have to change ICP_ADDR and > ICD_ADDR in ampintc, iirc. possibly 0x1000 and 0x2000 respectively, > which is not the fix that would ever get commited even if allwinner > would be on cvs, as it'll break Cortex-A9, and unfortunately, masking > by cpu is not working option either, there is example of where it would > fail already (exynos). > FDT is the only clean solution i can think of, when there is priority on > keeping arch/arm/cortex free of SoC-dependent code. > > About ethaddr, have you tried pinging another host from u-boot? > Does your u-boot support emac? the one i initially downloaded for > cubieboard2 did not iirc., if you can boot the bsd.umg over network, > and still get 00:00:00:00:00:00, i will power up my cb2 to fix awe, > as it's so far untested on A20 afaik. > > > -Artturi
I'm going to commit the initial allwinner diff along with Martin's diff tomorrow unless strong objection is raised. This needs to be worked on intree instead of letting it rot on the mailinglist. -- Cheers, Jasper "Stay Hungry. Stay Foolish"
