Hello Pavel, I am also not getting the Error now. The issue is resolved. Thanks a lot.
Deval Shah On Sun, Jun 26, 2016 at 1:12 PM, Mudit Jain <muditjain18011...@gmail.com> wrote: > Hi Pavel and Deval, > > I don't get the error after Pavel's patch. The issue is resolved. > > ------------------------------------------------------------------------------------------- > nexus0: <RTEMS Nexus device> > bcm_dma0: <BCM2835 DMA Controller> on nexus0 > sdhci_bcm0: <Broadcom 2708 SDHCI controller> on nexus0 > Enable the power returns 0 > mmc0: <MMC/SD bus> on sdhci_bcm0 > > --------------------------------------------------------------------------------------------- > > Thanks > > On Sat, Jun 25, 2016 at 1:41 PM, Pavel Pisa <ppisa4li...@pikron.com> > wrote: > >> Hello Deval Shah, >> >> On Saturday 25 of June 2016 07:13:40 Deval Shah wrote: >> > On Friday 24 June 2016, Pavel Pisa <ppisa4li...@pikron.com> wrote: >> > > Hello Deval Shah and others, >> > > >> > > On Friday 24 of June 2016 10:45:34 Deval Shah wrote: >> > > > Hello all, >> > > > >> > > > I have successfully ported the bcm283x_dwcotg driver for the >> Raspberry >> > > >> > > Pi. >> > > >> > > > Changes are shown in the commit > >> > > >> > > >> https://github.com/deval-maker/rtems-libbsd/commit/fd650f7ded413a0d891b53 >> > >95 >> > > >> > > >abb0c8768d71acc7. I need feedback on the code. >> > > > >> > > > Also am getting error in mailbox functions (failed to set power >> state, >> > > > err=-2). As far as I know Pavel and Mudit are looking into this >> > > > problem. >> > > >> > > I >> > > >> > > > can not move to next part before solving this issue. Please let me >> know >> > > >> > > how >> > > >> > > > can I contribute if the problem is not already solved. >> > > >> > > I have pushes workaround patch to mainline to ensure that >> > > your projects are not blocked by mailbox access problem. >> > > So the problem should be solved for you. >> > > >> > > I am currently using latest mainline rtems kernel. And I am still >> getting >> > >> > this error. Any other possible reason? >> >> Are you using RPi1 or RPi2? >> >> check that next change is applied >> >> c/src/lib/libbsp/arm/raspberrypi/misc/vc.c >> >> >> @@ -58,11 +59,22 @@ bcm2835_mailbox_buffer_flush_and_invalidate(void >> *buf, size_t size) >> >> sctlr_val = arm_cp15_get_control(); >> >> + RTEMS_COMPILER_MEMORY_BARRIER(); >> arm_cp15_drain_write_buffer(); >> if (sctlr_val & (ARM_CP15_CTRL_C | ARM_CP15_CTRL_M)) { >> - arm_cp15_drain_write_buffer(); >> +#if 0 >> + /* >> + These architecture independent RTEMS API functions should be >> + used there but CPU_DATA_CACHE_ALIGNMENT is not defined >> + for ARM architecture version used on RPi and functions >> + are dummy for now and do not provide required synchronization >> + */ >> rtems_cache_flush_multiple_data_lines(buf, size); >> rtems_cache_invalidate_multiple_data_lines(buf, size); >> +#else >> + /* Flush complete data cache */ >> + arm_cp15_data_cache_clean_and_invalidate(); >> +#endif >> } >> } >> >> try to rebuild (and install) whole RTEMS build from scratch >> to ensure that there is no stale object and report >> result. >> >> You can try to check call of VC firmware from bsp_start_hook_1 >> to check if it works at that phase. >> >> See my debug hacks. >> >> >> https://github.com/ppisa/rtems/blob/rtems-rpi-devel/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c#L112 >> >> Best wishes, >> >> Pavel >> >> >> >
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