On Tue, 18 Jan 2011 07:54:42 -0500 MohanReddy koppula <mohanredd...@gmail.com> wrote:
> Hi All, > > I am working on an MPC885 based custom board. I am able to boot up the > linux (linux-2.6.33.7). I could see busybox shell (ash) prompt. But it > is not accepting any inputs, I am not able to enter any command, it > just hangs there. I am using ttyCPM0 terminal. > > I suspected if there was any problem in CPM driver interrupts > generation and put some printk's in the interrupt handler and could > see interrupts are raised and data is read, but shell is not taking > the input. > > I wrote an init.c and opened the ttyCPM0 and tried to read from it, > but couldn't. I am able to write to ttyCPM0 and see it on the host > minicom. > > Please some one help me. Check your pin and clock setup -- perhaps tx is set up correctly but rx isn't. -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev