[PATCHv3] C_CAN: hwinit support for non-TI devices
Marc Kleine-Budde
mkl at pengutronix.de
Tue May 13 08:18:57 PDT 2014
On 05/13/2014 05:08 PM, Pavel Machek wrote:
> Hi!
>
>
> On Tue 2014-05-13 15:36:21, Marc Kleine-Budde wrote:
>> On 05/13/2014 03:09 PM, Pavel Machek wrote:
>>> Non-TI chips (including socfpga) needs different raminit
>>> sequence. Implement it.
>>>
>>> const's in the hwinit prototype forced me to add const to more
>>> prototypes. This makes changes bigger but the result is cleaner.
>>
>> Why not split into several patches?
>>
>>> Unfortunately, testing-c_can does not boot on sockit, but previous
>>> version of patch was tested by me and Thor Thayer.
>>
>> Have a look at:
>>
>> git at gitorious.org:linux-can/linux-can-next.git
>> testing-c_can-based-on-net
>
> git fetch git at gitorious.org:linux-can/linux-can-next.git
> testing-c_can-based-on-net:testing-c_can-based-on-net
> The authenticity of host 'gitorious.org (87.238.52.168)' can't be
> established.
> RSA key fingerprint is
> 7e:af:8d:ec:f0:39:5e:ba:52:16:ce:19:fa:d4:b8:7d.
>
> But I was able to
>
> git fetch git://gitorious.org/linux-can/linux-can-next.git
> testing-c_can-based-on-net:testing-c_can-based-on-net
Sorry, I copied the wrong URL.
>> This branch uses net/master as it's base, I've split your patch into 3,
>> and squashed the 32bit-const changes into the 32-bit access patch. The
>> remaining patch looks quite clean.
>
> Thanks a lot!
>
>> Can you please test the branch, I hope it boots on sockit.
>
> That one still dies early in boot, but I was able to apply some
> changes from my main tree (not CAN related) and get it to boot.
\o/
> And yes, it seems to work:
>
> [It still does not contain some "interesting" changes from altera
> tree, but as I could not get explanation why they are needed -- and
> they don't seem to be needed -- maybe it is better that way.]
Are there changes to the CAN driver or the SoC infrastructure?
> root at sockit:~# uname -a
> Linux sockit 3.15.0-rc4-00470-g4477be8-dirty #99 SMP Tue May 13
> 17:02:02 CEST 2014 armv7l GNU/Linux
> root at sockit:~# ip link set can0 up type can bitrate 125000 loopback on
> c_can_platform ffc00000.d_can can0: setting BTR=1c31 BRPE=0000
> root at sockit:~# ifconfig can0 up
> root at sockit:~# candump can0 &
> root at sockit:~# cansend can0 "123#DEADBEEF"
> can0 123 [4] DE AD BE EF
> can0 123 [4] DE AD BE EF
> root at sockit:~# cansend can0 "123#DEADBEEF"
> can0 123 [4] DE AD BE EF
> can0 123 [4] DE AD BE EF
\o/
Thanks for testing.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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