ISA SIO Problems

Tom Rini trini at
Sun Jul 29 10:09:36 EST 2001

On Sat, Jul 28, 2001 at 04:54:19PM -0700, James F Dougherty wrote:

> I am trying to use the serial.c driver with HHL-2.4 and modified it

hhl-2.0 you mean. :)

> by adding the following entry to rs_table[] :

Okay, the more portable way would be to:
1) edit include/asm-ppc/serial.h, and Yet Another #elif
2) Make include/asm-ppc/mousse_serial.h, which has something like:
 {0, 9600, MOUSSE_SERIAL_0, 4, STD_COM_FLAGS, PORT_8250, \
 	io_base: (u8 *) SERIAL_MOUSE_0 \
	io_type: SERIAL_IO_MEM

> The problem is that when I finally do boot up and mount the root filesystem,
> the console no longer works, and when I try to exit from my tip console
> session, the serial port on my sun box gets wedged.
> My serial port does not have H/W flow control, is there some other
> options I need to configure (tty terminal ios flags?) in order to
> get my serial port to work without HW flow control?

Look at Documentation/serial.txt I think it is, for what options to pass
linux for console= bits.

Tom Rini (TR1265)

** Sent via the linuxppc-embedded mail list. See

More information about the Linuxppc-embedded mailing list