Hi Teoh Am Montag, 25. Juli 2016, 15:09:06 schrieb Teoh Choon Zone: > >> Whats in brgmodrst (0xFFD0501C)? > > > > 0xFF401FD0 is the lw hps2fpga bridge. > > > > 0xC000000D looks a bit odd for lw hps2fpga bridge devices. > > That should be for the high speed hps2fpga bridge. > > > > lw hps2fpga is at base 0xFF200000 > > root@linaro-developer:~/test# devmem2 0xFFD0501C > /dev/mem opened. > Memory mapped at address 0xb6fa4000. > Value at address 0xFFD0501C (0xb6fa401c): 0x0 > > Ya, you're right. My FPGA design utilise both the LW and H2F bridges. LW > bridge is working as I can see the interrupts coming from FPGA. Only the > H2F is not working, I couldn't read whatever register from the FPGA side > although I've mmaped 0xC0000000. This is strange right? Is this related to > the privileged access issue as in Arria device? Most likly only the lightweight-bridge is enabled in your config and not the other bridges? Have you looked at /sys/class/fpga_bridge/br1/state?
I don't know anything about Arria specifics... Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, Germany | www.hbm.com Registered as GmbH (German limited liability corporation) in the commercial register at the local court of Darmstadt, HRB 1147 Company domiciled in Darmstadt | Managing Director: Andreas Huellhorst | Chairman of the board: Eoghan O'Lionaird Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregister des Amtsgerichts Darmstadt unter HRB 1147 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhorst | Aufsichtsratsvorsitzender: Eoghan O'Lionaird The information in this email is confidential. It is intended solely for the addressee. If you are not the intended recipient, please let me know and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und lediglich fuer den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail. _______________________________________________ Rfi mailing list Rfi@lists.rocketboards.org http://lists.rocketboards.org/cgi-bin/mailman/listinfo/rfi
