SMC Console not responding

SMC Console not responding

[Daris A Nevil]

Hello All,

I just finished porting Linux 2.4.18 to a custom MPC860-based board.
Everything works fine except input to the console.

I have setup the console on the SMC1 port.  I use PPCBoot as the
bootloader. PPCBoot works fine for both console input and output on SMC1.
I can see the kernel boot messages, and I can even see the prompt from SASH
(but not BASH).  However, any typed characters (input) are not seen by the
console.

Is there a known problem with the 8xx_io/uart.c file in 2.4.18, or has
something changed in linux/init/main.c?

Just to answer the obvious, I have performed the following:

1. Compiled with CONFIG_CONS_SMC1 and CONFIG_SERIAL_CONSOLE
2. mknod /dev/ttyS0 c 4 64
3. cd /dev, ln -sfn ttyS0 console
4. The linux/init/main.c file seems to open the device "/dev/console" just
fine.  It also finds the initial application (either SASH or BASH).


Thanks,
Daris Nevil
SNMC

--


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

RE: SMC Console not responding

[Navin Boppuri]

Check and see if you've disabled the flow control in your terminal program. I've noticed this happen if you have the flow control enabled.

Navin.

-----Original Message-----
From: Daris A Nevil [mailto:dnevil@snmc.com]
Sent: Monday, April 15, 2002 4:10 PM
To: linuxppc-embedded@lists.linuxppc.org
Subject: SMC Console not responding



Hello All,

I just finished porting Linux 2.4.18 to a custom MPC860-based board.
Everything works fine except input to the console.

I have setup the console on the SMC1 port.  I use PPCBoot as the
bootloader. PPCBoot works fine for both console input and output on SMC1.
I can see the kernel boot messages, and I can even see the prompt from SASH
(but not BASH).  However, any typed characters (input) are not seen by the
console.

Is there a known problem with the 8xx_io/uart.c file in 2.4.18, or has
something changed in linux/init/main.c?

Just to answer the obvious, I have performed the following:

1. Compiled with CONFIG_CONS_SMC1 and CONFIG_SERIAL_CONSOLE
2. mknod /dev/ttyS0 c 4 64
3. cd /dev, ln -sfn ttyS0 console
4. The linux/init/main.c file seems to open the device "/dev/console" just
fine.  It also finds the initial application (either SASH or BASH).


Thanks,
Daris Nevil
SNMC

--


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

Re: SMC Console not responding

[Wolfgang Denk]

In message <1079.206.104.177.96.1018904994.squirrel@nevil.org> you wrote:
>
> I just finished porting Linux 2.4.18 to a custom MPC860-based board.
> Everything works fine except input to the console.
...
> Just to answer the obvious, I have performed the following:
...
> 3. cd /dev, ln -sfn ttyS0 console

This is your problem. Instead, run:

	mknod /dev/console c 5 1

Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd@denx.de
The one who says it cannot be done should never interrupt the one who
is doing it.

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/