If they are memory mapped register you can also use a tool like devmem2 or mmap yourself the register to access them directly.
This is not real linux style and a bit dangerous and certainly not portable at all-- but you can do it Il giorno domenica 9 febbraio 2014 23:07:44 UTC+1, john3909 ha scritto: > > > From: vinayak aghor <[email protected] <javascript:>> > Reply-To: <[email protected] <javascript:>> > Date: Saturday, February 8, 2014 at 7:27 PM > To: <[email protected] <javascript:>> > Subject: [beagleboard] Read current register values in BBB during OS > running > > hello All, > I want to read current register values in downloaded OS (Angstrom) in BBB. > for ex. register value set for DDR3 clk, write levelling register values > ectc. > > Can we read while OS is running? > > You have to create a Kernel Module to do this. Reading is OK, but don’t > think of writing to any of these registers as that may conflict with other > kernel code. > > Regards, > John > > > > > Regards, > Vinayak > > -- > 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] <javascript:>. > For more options, visit https://groups.google.com/groups/opt_out. > > -- 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]. For more options, visit https://groups.google.com/groups/opt_out.
