On Tue, May 9, 2017 at 10:16 AM, 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 > What does lsmod have to say about which drivers are loaded on each system ? -- 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/msgid/beagleboard/CALHSORpkapT4JWQDhUhiyKOdJx7svii9ZB%2B-5j%2BTa2ow5J%2BZQQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
