<div dir="ltr">Thanks, for the confirmation. I'll add it to the docs. <br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 14 Apr 2023 at 19:52, Gedare Bloom <<a href="mailto:gedare@rtems.org">gedare@rtems.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Mon, Apr 10, 2023 at 4:05 AM Noor Aman <<a href="mailto:nooraman5718@gmail.com" target="_blank">nooraman5718@gmail.com</a>> wrote:<br>
><br>
> Thanks for the suggestions,<br>
><br>
> I'll wait for a few days to receive a confirmation or so and after that, I'll update the documentation instead of adding a README to RTEMS if required.<br>
><br>
Yes, it is preferred to put this information to the docs as linked by<br>
Karel. Ask if you need help with that.<br>
<br>
> Thanks,<br>
><br>
> On Sun, Apr 9, 2023, 10:39 PM Karel Gardas <karel@functional.vision> wrote:<br>
>><br>
>><br>
>> Hi,<br>
>><br>
>> nice patch. I'm not sure if I'm right here, but I've thought the idea is<br>
>> to get rid of BSPs specific README files and move all the information<br>
>> into the RTEMS user docs. If I'm right, then it would be great if you<br>
>> merge your changes to the doc you already pointed out:<br>
>><br>
>> <a href="https://docs.rtems.org/branches/master/user/bsps/bsps-aarch64.html#raspberry-pi-4b" rel="noreferrer" target="_blank">https://docs.rtems.org/branches/master/user/bsps/bsps-aarch64.html#raspberry-pi-4b</a><br>
>><br>
>> If you would like to work on that, then please clone the docs repo from<br>
>> here: git://<a href="http://git.rtems.org/rtems-docs.git" rel="noreferrer" target="_blank">git.rtems.org/rtems-docs.git</a><br>
>><br>
>> and edit user/bsps/aarch64/raspberrypi4.rst file<br>
>><br>
>> You will also need to have some tools installed in order to work on<br>
>> that, it is well described in the first paragraph here:<br>
>> <a href="https://docs.rtems.org/" rel="noreferrer" target="_blank">https://docs.rtems.org/</a><br>
>><br>
>> If you are unsure, wait for official deny or confirmation of the info<br>
>> provided by me...<br>
>><br>
>> Thanks,<br>
>> Karel<br>
>><br>
>> On 4/9/23 09:53, Mohd Noor Aman wrote:<br>
>> > The readme file includes all links and steps for setting up developping<br>
>> > environment for the raspberry pi 4. Added cheap JTAG adapters list which are<br>
>> > tried and tested. Links for references for raspberry pi 4 are also added.<br>
>> > ---<br>
>> > bsps/aarch64/raspberrypi/README | 86 +++++++++++++++++++++++++++++++++<br>
>> > 1 file changed, 86 insertions(+)<br>
>> > create mode 100644 bsps/aarch64/raspberrypi/README<br>
>> ><br>
>> > diff --git a/bsps/aarch64/raspberrypi/README b/bsps/aarch64/raspberrypi/README<br>
>> > new file mode 100644<br>
>> > index 0000000000..9c6465fd5e<br>
>> > --- /dev/null<br>
>> > +++ b/bsps/aarch64/raspberrypi/README<br>
>> > @@ -0,0 +1,86 @@<br>
>> > +BSP for the Raspberry Pi aarch64 ArmV8 board<br>
>> > +<br>
>> > +It currently supports the following peripheral:<br>
>> > +-- Console using the PL011 UART0 Raspberry Pi 4 has 6 UARTs, 5 PL011 based and 1<br>
>> > + miniuart based. Only PL011 UART0 is supported. No support for Mini-UART. The<br>
>> > + console driver only works with polled mode right now.<br>
>> > +<br>
>> > +-- The clock driver uses the ARM Generic Timer.<br>
>> > +<br>
>> > +-- GIC-400 is compatible with gicv2 headers and is supported by bsp<br>
>> > +<br>
>> > +<br>
>> > +How to boot: Steps on how to boot RTEMS on raspberry pi 4B is given here.<br>
>> > +<br>
>> > + <a href="https://docs.rtems.org/branches/master/user/bsps/bsps-aarch64.html#raspberry-pi-4b" rel="noreferrer" target="_blank">https://docs.rtems.org/branches/master/user/bsps/bsps-aarch64.html#raspberry-pi-4b</a><br>
>> > +<br>
>> > +<br>
>> > +To do list: It would be nice to get support in the BSP for the following:<br>
>> > + -- SD card<br>
>> > + -- SPI<br>
>> > + -- I2C<br>
>> > + -- GPIO<br>
>> > + -- Graphics console<br>
>> > + -- Sound<br>
>> > +<br>
>> > +<br>
>> > +JTAG debugging: OpenOCD supports bcm2711 as a target. Many interfaces are<br>
>> > +supported to work with bcm2711. A few of them which I have tested personally<br>
>> > +are.<br>
>> > +<br>
>> > +FT232H: Nice and cheap adapter which supports SPI, I2C JTAG using MPSSE engine.<br>
>> > +It can either be used as a UART-to-USB or JTAG adapter at a time.<br>
>> > +<br>
>> > +Esp-prog: its just a FT2232H breakout board which can connect using FT2232H<br>
>> > +derivatives cfg<br>
>> > +<br>
>> > +Raspberry Pi SBC: Yes, you can use a raspberry pi to debug another raspberry pi<br>
>> > +<br>
>> > +Raspberry Pi Pico: As of now, openocd support for Raspberry pi Pico is under<br>
>> > +review, in the meantime you can just build forked version of OpenOCD, and use<br>
>> > +pico-dirtyJTAG.uf2 for raspberry pi pico.<br>
>> > +<a href="https://sourceforge.net/u/phdussud/openocd" rel="noreferrer" target="_blank">https://sourceforge.net/u/phdussud/openocd</a><br>
>> > +<a href="https://github.com/phdussud/pico-dirtyJtag" rel="noreferrer" target="_blank">https://github.com/phdussud/pico-dirtyJtag</a><br>
>> > +<br>
>> > +Some of the interfaces which I have not used personally but can most probably be<br>
>> > +used are:<br>
>> > +<br>
>> > +FT2XXXH series : They are of same family as FT232H, just have different amount<br>
>> > +of MPSSE engine, Which determines how many many protocols can be ran<br>
>> > +simultaneously.<br>
>> > +<br>
>> > +BeagleBone Black: It can be used with OpenOCDs am335xgpio drivers to be used as<br>
>> > +JTAG/SWD programmer<br>
>> > +<br>
>> > +Almost every SBC with GPIO: It can be used by openOCD through libgpiod library<br>
>> > +<br>
>> > +<br>
>> > +Openocd compilation steps for Raspberry pi:<br>
>> > +<br>
>> > + git clone <a href="http://openocd.zylin.com/openocd" rel="noreferrer" target="_blank">http://openocd.zylin.com/openocd</a><br>
>> > + cd openocd<br>
>> > + ./bootstrap<br>
>> > + ./configure --enable-sysfsgpio --enable-bcm2835gpio<br>
>> > + make -j$(nproc)<br>
>> > +<br>
>> > +<br>
>> > +Credits and links:<br>
>> > +<br>
>> > + A bare metal example which includes examples for interrupts, SMP, bluetooth<br>
>> > + <a href="https://github.com/isometimes/rpi4-osdev/" rel="noreferrer" target="_blank">https://github.com/isometimes/rpi4-osdev/</a><br>
>> > +<br>
>> > + A Raspberry pi 4 port for RT-Thread which support Ethernet, mailbox and UARTs<br>
>> > + <a href="https://github.com/RT-Thread/rt-thread/tree/master/bsp/raspberry-pi/raspi4-64" rel="noreferrer" target="_blank">https://github.com/RT-Thread/rt-thread/tree/master/bsp/raspberry-pi/raspi4-64</a><br>
>> > +<br>
>> > + Vxworks is a Real-Time OS which has a public SDK for development,not open<br>
>> > + source. The steps for booting Vxworks is given here.<br>
>> > + <a href="https://labs.windriver.com/downloads/wrsdk-vxworks7-docs/2203/README_raspberrypi4b.html" rel="noreferrer" target="_blank">https://labs.windriver.com/downloads/wrsdk-vxworks7-docs/2203/README_raspberrypi4b.html</a><br>
>> > +<br>
>> > + s-matyukevich has done a great job for baremetal examples for raspberry pi 3B,<br>
>> > + and rhythm16 port all that code for raspberry pi 4B. Worth checking out.<br>
>> > + <a href="https://s-matyukevich.github.io/raspberry-pi-os/" rel="noreferrer" target="_blank">https://s-matyukevich.github.io/raspberry-pi-os/</a><br>
>> > + <a href="https://github.com/rhythm16/rpi4-bare-metal/" rel="noreferrer" target="_blank">https://github.com/rhythm16/rpi4-bare-metal/</a><br>
>> > +<br>
>> > + There are also some examples from valvers about bare metal for raspberrypi<br>
>> > + family<br>
>> > + <a href="https://www.valvers.com/open-software/raspberry-pi/bare-metal-programming-in-c-part-1/" rel="noreferrer" target="_blank">https://www.valvers.com/open-software/raspberry-pi/bare-metal-programming-in-c-part-1/</a><br>
>> > \ No newline at end of file<br>
>><br>
> _______________________________________________<br>
> devel mailing list<br>
> <a href="mailto:devel@rtems.org" target="_blank">devel@rtems.org</a><br>
> <a href="http://lists.rtems.org/mailman/listinfo/devel" rel="noreferrer" target="_blank">http://lists.rtems.org/mailman/listinfo/devel</a><br>
</blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><span style="color:rgb(153,153,153)"><span style="background-color:rgb(255,255,255)"><font size="1">Mohd Noor Aman</font></span></span></div><div><span style="color:rgb(153,153,153)"><span style="background-color:rgb(255,255,255)"><font size="1">Tinkering with Hardware</font></span></span></div><div><br></div></div></div>