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Diffstat (limited to 'docs/misc/bbb_ehci.md')
| -rw-r--r-- | docs/misc/bbb_ehci.md | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/docs/misc/bbb_ehci.md b/docs/misc/bbb_ehci.md index 9e9314ce..0246a382 100644 --- a/docs/misc/bbb_ehci.md +++ b/docs/misc/bbb_ehci.md @@ -168,17 +168,17 @@ arm-linux-gnueabihf setup on your *host*. [fsfla website](http://www.fsfla.org/ikiwiki/selibre/linux-libre/) - see [scripts](http://www.fsfla.org/svn/fsfla/software/linux-libre/scripts/). -- Get your current BBB kernel config (from: /boot/config-<ver>) +- Get your current BBB kernel config (from: /boot/config-<ver>) and copy it to your host as \$work\_dir/kernel/kernel/.config - Set proper version number: - On your host, edit \$work\_dir/kernel/kernel/.config (the one you've just copied from BBB), find the line - CONFIG\_LOCALVERSION="<something or empty>" and change + CONFIG\_LOCALVERSION="<something or empty>" and change it to CONFIG\_LOCALVERSION="-\$lv", so it will look something like: CONFIG\_LOCALVERSION="-bone70" - Also, make sure that: CONFIG\_USB\_G\_DBGP=m (If not, make - menuconfig, and set @Device Drivers-> USB Support -> USB - Gadget Support -> EHCI Debug Device Gadget=m + menuconfig, and set @Device Drivers-> USB Support -> USB + Gadget Support -> EHCI Debug Device Gadget=m - Build the module: <!-- --> @@ -192,7 +192,7 @@ arm-linux-gnueabihf setup on your *host*. - copy the freshly compiled usb/gadget dir to /lib/modules/3.8.13-bone70/kernel/drivers/usb - restart BBB -- Remove all g\_\* modules (rmmod g\_<>) +- Remove all g\_\* modules (rmmod g\_<>) - modprobpe g\_dbgp ### Configure libreboot with EHCI debug {#ConfigurelibrebootwithEHCIdebug} @@ -238,7 +238,7 @@ Then:\ CONFIG_CONSOLE_USB=y (Console -> USB dongle console output) -Also Debugging \-\--> Output verbose XYZ ) (**FIXME** somebody verify +Also Debugging \-\--> Output verbose XYZ ) (**FIXME** somebody verify these): CONFIG_DEBUG_CBFS=y (Output verbose CBFS debug messages ) @@ -302,14 +302,14 @@ rmmod g\_\* and modprobe g\_dbgp You have to know how to compile kernel for your target. 1. Check if early debugging is already enabled: grep - CONFIG\_EARLY\_PRINTK\_DBGP /boot/config-<ver> + CONFIG\_EARLY\_PRINTK\_DBGP /boot/config-<ver> 2. If enabled, you do not have to compile the kernel (skip this step). Otherwise, prepare kernel source for your distribution and select - (Kernel hacking -> Early printk via EHCI debug port). Compile and + (Kernel hacking -> Early printk via EHCI debug port). Compile and install the new kernel. 3. Edit your grub configuration and add following to the kenel parameters^[20](#___fn20)[21](#___fn21)^: earlyprintk=dbgp,keep. - Also, try: earlyprintk=dbgp<N>,keep where N is the debug port + Also, try: earlyprintk=dbgp<N>,keep where N is the debug port id if the first does not work. ### References {#References} @@ -356,7 +356,7 @@ Interface](http://cs.usfca.edu/~cruse/cs698s10/) -Copyright © 2015 Alex David <opdecirkel@gmail.com>\ +Copyright © 2015 Alex David <opdecirkel@gmail.com>\ Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-ShareAlike 4.0 International license or any later version published by Creative |