rtems on raspberry pi 2 difficultys

[William Kirstaedter]

thanks!!!

I cant believe that this really solved the issue, but it does.

have a nice evening,

William Kirstaedter (PP&B)
Fritz-Haber-Institut der MPG
Faradayweg 4-6
14195 Berlin
Tel: 030 8413 3154
Mail: kirstaedter at fhi-berlin.mpg.de

Am 17.07.2017 um 17:34 schrieb Alan Cudmore:
> I will have to find the information at home later tonight. But you 
> could always try to use firmware that is 1 year old:
>
> https://github.com/raspberrypi/firmware/tree/1.20160620/boot
>
> Alan
>
>
> On Mon, Jul 17, 2017 at 11:14 AM, William Kirstaedter 
> <kirstaedter at fhi-berlin.mpg.de <mailto:kirstaedter at fhi-berlin.mpg.de>> 
> wrote:
>
>     that would be wonderful :)
>
>     William Kirstaedter (PP&B)
>     Fritz-Haber-Institut der MPG
>     Faradayweg 4-6
>     14195 Berlin
>     Tel: 030 8413 3154
>     Mail:kirstaedter at fhi-berlin.mpg.de <mailto:kirstaedter at fhi-berlin.mpg.de>
>
>     Am 17.07.2017 um 17:13 schrieb Alan Cudmore:
>>     I have not updated my Raspberry Pi / RTEMS environment in a
>>     while, but I recall similar problems with the latest Raspberry PI
>>     firmware. I was able to use a specific release and make RTEMS
>>     work. I'll see if I can find the details.
>>
>>     Alan
>>
>>
>>     On Mon, Jul 17, 2017 at 9:15 AM, Andreas Kölbl
>>     <andreas.koelbl at st.oth-regensburg.de
>>     <mailto:andreas.koelbl at st.oth-regensburg.de>> wrote:
>>
>>         Am 17.07.2017 um 13:29 schrieb William Kirstaedter:
>>         > Hi @all,
>>         > I hope I am asking in the right mailing list.
>>         >
>>         > This probably has already been asked, but I wasnt able to find
>>         > anything suiting my problem case.
>>         >
>>         > I want to run RTEMS (and later on EPICS, but this shall not
>>         be part of
>>         > this request here) on my Raspberry Pi 2 B.
>>         > So I followed various guides on how to get RTEMS compiled
>>         for ARM /
>>         > raspberry pi, and got a seemingly successful build of RTEMS
>>         4.12
>>         > including the sample programs.
>>         > I then made a binary out of the ticker.exe and copied it
>>         over onto my
>>         > boot partition of the SD card. neccessary proprietary broadcom
>>         > bootloader files are present.
>>         >
>>         > Now when I try and turn the raspi on, it just shows the
>>         color splash
>>         > screen on HDMI and prints out unreadable, strange
>>         characters on UART
>>         > console. they are not always the same.
>>         > (I try to append an Image)
>>         >
>>         > the same happens with hello.exe and the older RTEMS 4.11.
>>         >
>>         > Normally the Raspberry should display readable status
>>         messages on UART
>>         > for approx. 35 seconds and then halt.
>>         >
>>         > Maybe somebody here has an Idea whats the issue? Do I have
>>         to tell
>>         > RTEMS (somehow) what serial connection should be used and
>>         at what
>>         > speed it should operate? I am really new to RTEMS and therefore
>>         > missing even an Idea where to start searching.
>>         > Or should I ask in devel mailing list too?
>>         >
>>         which baud rates did you try? The README file located in
>>         c/src/lib/libbsp/arm/raspberrypi/README states, you should be
>>         able to
>>         see output on PL011 UART0 at 115200 Baud and 8N1 encoding set
>>         to your
>>         console.
>>         E.g. /dev/ttyUSB0 is a serial to usb converter ->
>>         stty -F /dev/ttyUSB0 115200 cs8 -cstopb -parenb
>>         should fit.
>>         A framebuffer console should also be available.
>>
>>         > Thanks in advance;
>>         >
>>         >
>>         >
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