Hello again, I am porting the Davinci Linux kernel to a new and similar TI device, called Jacinto2. I am at the point where the init program passed to the kernel by the bootloader is initialized. The problem that I am experiencing is that, whichever init program I pass, it can display text, but it cannot receive characters from the keyboard.
I know the serial interface is ok, because I inserted prinktk's and it both issues a serial interrupt when I press any key, as well as retrieves the correct character from the UART buffer. However, the characters I type do not show up in the shell, and it doesn't seem to react to keyboard signals. When one passes /bin/sh as the init program, it will display the '# /' of the shell prompt, but the keyboard has no effect. When I wrote a simple 'hello world' program to print text, receive text from the user, and then print another line, it will print but not receive the keystrokes. Passing /bin/ls (which redirects to busybox) will display my file system as I expect, so I don't think that my busybox is broken. Is anyone familiar with how this is initialized when the kernel is booting? Does anyone have a clue what I could be missing so that the serial interface would record keystrokes but not pass it to the tty interface or shell? Thanks for your time, Joe
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