On Tue, 11 Mar 2008 09:04:27 -0600 "John Linn" <[EMAIL PROTECTED]> wrote:
> I've searched and found some threads, but it's still not clear to me. > I'm working on 405 with powerpc and trying to get UART550 working. Walnut works. So do Halakeau and Kilauea. Is your serial port significantly different from those? > I know that I need speed, freq, and reg-shift properties in the device > tree and I have found patches for of_serial.c. Patches for of_serial.c for what? > I still don't understand when to use of_serial.c (SERIAL_OF_PLATFORM) vs > the legacy support for serial ports. Is there any docs that I'm not > finding that I should read? There are no docs. At one time, of_serial was declared as the one true serial driver, but these days either will do. The benefit of legacy_serial is that output is enabled earlier in the boot. > I don't see a way to configure in the legacy support, but I'm using > SERIAL_OF and having problems. I don't see the console getting enabled > even though it found the serial port driver. You need to have CONFIG_PPC_UDBG_16550 set to bring in legacy_serial. josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
