rtems on raspberry pi 2 difficultys

[William Kirstaedter]

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

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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>
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