Hello, Where does uboot log what capes have been loaded? clearly dmesg | grep bone does not show any capes loaded by uboot.
Thanks Gaurav Gaurav On Tue, May 9, 2017 at 12:50 PM, Gaurav S <[email protected]> wrote: > Hello, > http://elinux.org/4D_4.3_LCD_CAPE > > Thanks for the reference Robert, that solved the issue. Apparently I > should not be mixing uboot with "bone_capemgr.enable". I am not sure why > did the /dev/spidev* work on the system without the LCD. > > Thanks again, > > gaurav > > On Tuesday, May 9, 2017 at 12:38:50 PM UTC-5, RobertCNelson wrote: >> >> Which lcd? >> >> For spidev please read: >> >> http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_ >> Override_external_capes >> >> >> On May 9, 2017 12:16 PM, "Gaurav S" <[email protected]> wrote: >> >> Hello All, >> With LCD, it seems like SPI is behaving awkwardly. I have two beagle bone >> boards one with LCD plugged in (SYS1) and the other stand alone beagle bone >> (SYS2), both running latest debian lxqt 2gb image (may 7 2017). The curious >> thing over here is that before u-boot spi was working just fine with the >> LCD. >> >> Following are the results from each of the systems: >> >> SYS1 (beaglebone + LCD4) >> >> debian@beaglebone:~$ uname -a >> Linux beaglebone 4.4.62-ti-r99 #1 SMP Sat Apr 22 14:21:03 UTC 2017 armv7l >> GNU/Linux >> debian@beaglebone:~$ dmesg | grep bone >> [ 0.000000] Kernel command line: console=ttyO0,115200n8 >> bone_capemgr.enable_partno=BB-SPIDEV1 bone_capemgr.uboot_capemgr_enabled=1 >> root=UUID=e4c7e2e7-0fbf-494c-8d84-305d291d2b7a ro rootfstype=ext4 >> rootwait coherent_pool=1M net.ifnames=0 quiet >> [ 2.376478] bone_capemgr bone_capemgr: Baseboard: >> 'A335BNLT,00C0,2516BBBK2265' >> [ 2.376509] bone_capemgr bone_capemgr: >> compatible-baseboard=ti,beaglebone-black >> - #slots=4 >> [ 2.376544] bone_capemgr bone_capemgr: slot #0: auto loading handled >> by U-Boot >> [ 2.376566] bone_capemgr bone_capemgr: slot #1: auto loading handled >> by U-Boot >> [ 2.376587] bone_capemgr bone_capemgr: slot #2: auto loading handled >> by U-Boot >> [ 2.376629] bone_capemgr bone_capemgr: slot #3: auto loading handled >> by U-Boot >> [ 2.376655] bone_capemgr bone_capemgr: enabled_partno PARTNO >> 'BB-SPIDEV1' VER 'N/A' PR '0' >> [ 2.376667] bone_capemgr bone_capemgr: slot #4: override >> [ 2.376681] bone_capemgr bone_capemgr: slot #4: auto loading handled >> by U-Boot >> [ 2.377276] bone_capemgr bone_capemgr: initialized OK. >> [ 6.851318] systemd[1]: Set hostname to <beaglebone>. >> debian@beaglebone:/dev$ ls sp* >> ls: cannot access sp*: No such file or directory >> >> >> >> SYS2 (stand along beagle bone) >> >> debian@beaglebone:~$ uname -a >> Linux beaglebone 4.4.62-ti-r99 #1 SMP Sat Apr 22 14:21:03 UTC 2017 armv7l >> GNU/Linux >> debian@beaglebone:~$ dmesg|grep bone >> [ 0.000000] Kernel command line: console=ttyO0,115200n8 >> bone_capemgr.enable_partno=BB-SPIDEV1 bone_capemgr.uboot_capemgr_enabled=1 >> root=UUID=599ccfe6-2803-4ea0-9141-2bb571994e70 ro rootfstype=ext4 >> rootwait coherent_pool=1M net.ifnames=0 quiet >> [ 2.445200] bone_capemgr bone_capemgr: Baseboard: >> 'A335BNLT,00C0,2516BBBK22E8' >> [ 2.445233] bone_capemgr bone_capemgr: >> compatible-baseboard=ti,beaglebone-black >> - #slots=4 >> [ 2.445270] bone_capemgr bone_capemgr: slot #0: auto loading handled >> by U-Boot >> [ 2.445291] bone_capemgr bone_capemgr: slot #1: auto loading handled >> by U-Boot >> [ 2.445337] bone_capemgr bone_capemgr: slot #2: auto loading handled >> by U-Boot >> [ 2.445359] bone_capemgr bone_capemgr: slot #3: auto loading handled >> by U-Boot >> [ 2.445379] bone_capemgr bone_capemgr: enabled_partno PARTNO >> 'BB-SPIDEV1' VER 'N/A' PR '0' >> [ 2.445390] bone_capemgr bone_capemgr: slot #4: override >> [ 2.445403] bone_capemgr bone_capemgr: slot #4: auto loading handled >> by U-Boot >> [ 2.446010] bone_capemgr bone_capemgr: initialized OK. >> [ 17.551299] systemd[1]: Set hostname to <beaglebone>. >> debian@beaglebone:~$ cd /dev >> debian@beaglebone:/dev$ ls sp* >> spidev1.0 spidev1.1 spidev2.0 spidev2.1 >> >> Am I missing something regarding how u-boot is supposed to work? >> >> >> Thanks >> Gaurav >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit https://groups.google.com/d/ms >> gid/beagleboard/5852e231-e19e-4b1e-9a4f-3c9acd6656e5%40googlegroups.com >> <https://groups.google.com/d/msgid/beagleboard/5852e231-e19e-4b1e-9a4f-3c9acd6656e5%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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