Hi Pavel, I will try to run the tests with the HDMI output before Monday. If I get time, I’ll try the Raspberry Pi zero and also see if I can narrow down the firmware issue.
Eventually I would like to try the u-boot option as well as JTAG debugging. Alan > On May 27, 2016, at 10:18 AM, Pavel Pisa <ppisa4li...@pikron.com> wrote: > > Hello all, > > patches seems to not change situation/make problems > so if there is no remark I would push them on Monday. > Do you agree? > > The RPi1 and RPi2 testing state: > > Tested to work on RPi1 with serial and graphic output > and direct boot and boot over U-boot. > Reported to work on RPi2 by Alan Cudmore with older > firmware. Problem with newer firmware stays same > as for RTEMS mainline. > Tested by me to run with and without graphic output > on QEMU but due lacks of bcm2835 timer emulation on > the QEMU side ticker stops with print of time zero. > > Best wishes, > > Pavel > > On Sunday 22 of May 2016 02:13:03 ppisa4li...@pikron.com wrote: >> From: Pavel Pisa <pp...@pikron.com> >> >> The series updates and cleans YANG Qiao GSoC 2015 work for actual >> RTEMS 4.12 development version. >> >> The changes require that VideoCore firmware is running even >> if video output is not used because mailbox based communication >> with VideoCore is used to obtain SD command line parameters >> passed to the RTEMS application image and to limit RTEMS RAM >> workarea to not go beyond VideoCore assigned memory start. >> >> The two options configurable by "cmdline.txt" file read >> and made accessible by VideoCore firmware are present >> >> --video= >> possible values >> auto - select mode automatically according to the connected >> monitor off (or none) - disable video support >> width x height with optional bpp - for example 800x600 or >> 800x600-32 >> >> --console= >> fbcons - redirect RTEMS console output to the connected monitor >> if --video= is not specified/enabled or monitor is not detected >> then output stays to be connected to the UART >> >> Typical "cmdline.txt" content for testing >> >> --video=auto --console=fbcons >> >> WARNING: the used VideoCore service for command line arguments retrieval >> returns only these arguments setup in "cmdline.txt". >> Arguments provided to U-boot or other loader are ignored. >> >> Code has been tested or Raspberry Pi 1 with U-boot + TFTP and with direct >> boot from SD card with and without monitor connected. Code tested to >> not break standard serial console output for Raspberry Pi 2 on QEMU. >> Graphic output under QEMU results write abort because QEMU reported >> framebuffer size is not completely accessible, only 400 rows from 640x480 >> reported screen works for the given mode. >> >> [PATCH v2] Updates to v2 version >> - formatting of newly introduced files normalized by rtems.uncrustify >> - incorrect clean after release spot by Gedare Bloom corrected >> - HDMI monitor presence test commented (solution is not ideal but works >> and if some more straightforward solution is found in future, >> then it can be replaced) >> - atomic flag used to ensure framebuffer single open only >> is left in a place >> - more cleanups and adjustment of compatibility with RPi2 >> >> Pavel Pisa (4): >> arm/raspberrypi: cmdline enhancement and early access workaround. >> arm/raspberrypi: ensure that correct RPI_PERIPHERAL_BASE is provided >> by raspberrypi.h >> arm/raspberrypi: Raspberry Pi v2 ALLOCATE_BUFFER VC4 operation returns >> direct address. >> arm/raspberrypi: move MMU in front of application image to respect >> variable memory size. >> >> YANG Qiao (3): >> arm/raspberrypi: add VideoCore framebuffer without initialization >> arm/raspberrypi: add video outchar support for rpi bsp >> arm/raspberrypi: add fbcons support for rpi bsp >> >> c/src/lib/libbsp/arm/raspberrypi/Makefile.am | 13 +- >> .../arm/raspberrypi/console/console-config.c | 12 +- >> .../arm/raspberrypi/console/console_select.c | 113 + >> c/src/lib/libbsp/arm/raspberrypi/console/fb.c | 409 ++ >> c/src/lib/libbsp/arm/raspberrypi/console/fbcons.c | 177 + >> c/src/lib/libbsp/arm/raspberrypi/console/fbcons.h | 47 + >> .../lib/libbsp/arm/raspberrypi/console/font_data.h | 4639 >> ++++++++++++++++++++ c/src/lib/libbsp/arm/raspberrypi/console/outch.c | >> 463 ++ >> c/src/lib/libbsp/arm/raspberrypi/gpio/rpi-gpio.c | 1 + >> c/src/lib/libbsp/arm/raspberrypi/include/bsp.h | 9 + >> .../libbsp/arm/raspberrypi/include/raspberrypi.h | 1 + >> c/src/lib/libbsp/arm/raspberrypi/include/rpi-fb.h | 54 + >> c/src/lib/libbsp/arm/raspberrypi/misc/mailbox.c | 1 + >> c/src/lib/libbsp/arm/raspberrypi/misc/timer.c | 1 + >> c/src/lib/libbsp/arm/raspberrypi/misc/vc.c | 4 + >> c/src/lib/libbsp/arm/raspberrypi/preinstall.am | 8 + >> .../arm/raspberrypi/startup/bspgetworkarea.c | 77 + >> .../libbsp/arm/raspberrypi/startup/bspstarthooks.c | 4 + >> c/src/lib/libbsp/arm/raspberrypi/startup/cmdline.c | 12 +- >> c/src/lib/libbsp/arm/raspberrypi/startup/linkcmds | 6 +- >> c/src/lib/libbsp/arm/raspberrypi/startup/mminit.c | 31 + >> 21 files changed, 6071 insertions(+), 11 deletions(-) >> create mode 100644 >> c/src/lib/libbsp/arm/raspberrypi/console/console_select.c create mode >> 100644 c/src/lib/libbsp/arm/raspberrypi/console/fb.c >> create mode 100644 c/src/lib/libbsp/arm/raspberrypi/console/fbcons.c >> create mode 100644 c/src/lib/libbsp/arm/raspberrypi/console/fbcons.h >> create mode 100644 c/src/lib/libbsp/arm/raspberrypi/console/font_data.h >> create mode 100644 c/src/lib/libbsp/arm/raspberrypi/console/outch.c >> create mode 100644 c/src/lib/libbsp/arm/raspberrypi/include/rpi-fb.h >> create mode 100644 >> c/src/lib/libbsp/arm/raspberrypi/startup/bspgetworkarea.c create mode >> 100644 c/src/lib/libbsp/arm/raspberrypi/startup/mminit.c _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
