Thanks, for the confirmation. I'll add it to the docs. On Fri, 14 Apr 2023 at 19:52, Gedare Bloom <ged...@rtems.org> wrote:
> On Mon, Apr 10, 2023 at 4:05 AM Noor Aman <nooraman5...@gmail.com> wrote: > > > > Thanks for the suggestions, > > > > 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. > > > Yes, it is preferred to put this information to the docs as linked by > Karel. Ask if you need help with that. > > > Thanks, > > > > On Sun, Apr 9, 2023, 10:39 PM Karel Gardas <karel@functional.vision> > wrote: > >> > >> > >> Hi, > >> > >> nice patch. I'm not sure if I'm right here, but I've thought the idea is > >> to get rid of BSPs specific README files and move all the information > >> into the RTEMS user docs. If I'm right, then it would be great if you > >> merge your changes to the doc you already pointed out: > >> > >> > https://docs.rtems.org/branches/master/user/bsps/bsps-aarch64.html#raspberry-pi-4b > >> > >> If you would like to work on that, then please clone the docs repo from > >> here: git://git.rtems.org/rtems-docs.git > >> > >> and edit user/bsps/aarch64/raspberrypi4.rst file > >> > >> You will also need to have some tools installed in order to work on > >> that, it is well described in the first paragraph here: > >> https://docs.rtems.org/ > >> > >> If you are unsure, wait for official deny or confirmation of the info > >> provided by me... > >> > >> Thanks, > >> Karel > >> > >> On 4/9/23 09:53, Mohd Noor Aman wrote: > >> > The readme file includes all links and steps for setting up > developping > >> > environment for the raspberry pi 4. Added cheap JTAG adapters list > which are > >> > tried and tested. Links for references for raspberry pi 4 are also > added. > >> > --- > >> > bsps/aarch64/raspberrypi/README | 86 > +++++++++++++++++++++++++++++++++ > >> > 1 file changed, 86 insertions(+) > >> > create mode 100644 bsps/aarch64/raspberrypi/README > >> > > >> > diff --git a/bsps/aarch64/raspberrypi/README > b/bsps/aarch64/raspberrypi/README > >> > new file mode 100644 > >> > index 0000000000..9c6465fd5e > >> > --- /dev/null > >> > +++ b/bsps/aarch64/raspberrypi/README > >> > @@ -0,0 +1,86 @@ > >> > +BSP for the Raspberry Pi aarch64 ArmV8 board > >> > + > >> > +It currently supports the following peripheral: > >> > +-- Console using the PL011 UART0 Raspberry Pi 4 has 6 UARTs, 5 PL011 > based and 1 > >> > + miniuart based. Only PL011 UART0 is supported. No support for > Mini-UART. The > >> > + console driver only works with polled mode right now. > >> > + > >> > +-- The clock driver uses the ARM Generic Timer. > >> > + > >> > +-- GIC-400 is compatible with gicv2 headers and is supported by bsp > >> > + > >> > + > >> > +How to boot: Steps on how to boot RTEMS on raspberry pi 4B is given > here. > >> > + > >> > + > https://docs.rtems.org/branches/master/user/bsps/bsps-aarch64.html#raspberry-pi-4b > >> > + > >> > + > >> > +To do list: It would be nice to get support in the BSP for the > following: > >> > + -- SD card > >> > + -- SPI > >> > + -- I2C > >> > + -- GPIO > >> > + -- Graphics console > >> > + -- Sound > >> > + > >> > + > >> > +JTAG debugging: OpenOCD supports bcm2711 as a target. Many > interfaces are > >> > +supported to work with bcm2711. A few of them which I have tested > personally > >> > +are. > >> > + > >> > +FT232H: Nice and cheap adapter which supports SPI, I2C JTAG using > MPSSE engine. > >> > +It can either be used as a UART-to-USB or JTAG adapter at a time. > >> > + > >> > +Esp-prog: its just a FT2232H breakout board which can connect using > FT2232H > >> > +derivatives cfg > >> > + > >> > +Raspberry Pi SBC: Yes, you can use a raspberry pi to debug another > raspberry pi > >> > + > >> > +Raspberry Pi Pico: As of now, openocd support for Raspberry pi Pico > is under > >> > +review, in the meantime you can just build forked version of > OpenOCD, and use > >> > +pico-dirtyJTAG.uf2 for raspberry pi pico. > >> > +https://sourceforge.net/u/phdussud/openocd > >> > +https://github.com/phdussud/pico-dirtyJtag > >> > + > >> > +Some of the interfaces which I have not used personally but can most > probably be > >> > +used are: > >> > + > >> > +FT2XXXH series : They are of same family as FT232H, just have > different amount > >> > +of MPSSE engine, Which determines how many many protocols can be ran > >> > +simultaneously. > >> > + > >> > +BeagleBone Black: It can be used with OpenOCDs am335xgpio drivers to > be used as > >> > +JTAG/SWD programmer > >> > + > >> > +Almost every SBC with GPIO: It can be used by openOCD through > libgpiod library > >> > + > >> > + > >> > +Openocd compilation steps for Raspberry pi: > >> > + > >> > + git clone http://openocd.zylin.com/openocd > >> > + cd openocd > >> > + ./bootstrap > >> > + ./configure --enable-sysfsgpio --enable-bcm2835gpio > >> > + make -j$(nproc) > >> > + > >> > + > >> > +Credits and links: > >> > + > >> > + A bare metal example which includes examples for interrupts, SMP, > bluetooth > >> > + https://github.com/isometimes/rpi4-osdev/ > >> > + > >> > + A Raspberry pi 4 port for RT-Thread which support Ethernet, > mailbox and UARTs > >> > + > https://github.com/RT-Thread/rt-thread/tree/master/bsp/raspberry-pi/raspi4-64 > >> > + > >> > + Vxworks is a Real-Time OS which has a public SDK for > development,not open > >> > + source. The steps for booting Vxworks is given here. > >> > + > https://labs.windriver.com/downloads/wrsdk-vxworks7-docs/2203/README_raspberrypi4b.html > >> > + > >> > + s-matyukevich has done a great job for baremetal examples for > raspberry pi 3B, > >> > + and rhythm16 port all that code for raspberry pi 4B. Worth > checking out. > >> > + https://s-matyukevich.github.io/raspberry-pi-os/ > >> > + https://github.com/rhythm16/rpi4-bare-metal/ > >> > + > >> > + There are also some examples from valvers about bare metal for > raspberrypi > >> > + family > >> > + > https://www.valvers.com/open-software/raspberry-pi/bare-metal-programming-in-c-part-1/ > >> > \ No newline at end of file > >> > > _______________________________________________ > > devel mailing list > > devel@rtems.org > > http://lists.rtems.org/mailman/listinfo/devel > -- Mohd Noor Aman Tinkering with Hardware
_______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel