From: Andrei Konovalov <akonovalov@ru.mvista.com>
To: Qichen Huang <jasonal00@googlemail.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Problem with Xilinx Uart Lite
Date: Thu, 29 Jun 2006 19:32:47 +0400 [thread overview]
Message-ID: <44A3F29F.8020507@ru.mvista.com> (raw)
In-Reply-To: <b4ebaa9d0606290820y4dce2ce2x8d28007b1d591eef@mail.gmail.com>
Qichen Huang wrote:
> Hi all,
>
> I'm trying to port linuxppc_2_4_devel to Xilinx ML403. I want to use
> UartLite instead of Uart 16550. What changes should I do?
>
> I have disabled "Standard/generic (8250/16550 and compatible UARTs)
> serial support"
> and enabled "Xilinx UART Lite" & "Console on UART Lite port" in
> character devices.
> And the initial kernel command string is changed to "console=ttl0
> console=ttyS0,9600 ip=off root=/dev/xsysace/disc0/part3 rw".
This command line sets default console to ttyS0.
Please remove "console=ttyS0,9600".
> The kernel boot log dosen't mention any serial device and it hangs up
> until "System started." There is no login prompt.
Are you using the correct xparameters_*.h - the one having the
#defines for UartLite?
> My /etc/inittab is :
>
> ::sysinit:/etc/init.d/rcS
> #::askfirst:-/bin/sh
> ::ctrlaltdel:/sbin/reboot
> ::shutdown:/sbin/swapoff -a
> ::shutdown:/bin/umount -a -r
> ::restart:/sbin/init
> ::respawn:/sbin/getty 9600 tts/0
>
>
> What else should I do?
> Thank you!
>
> Qichen
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
next prev parent reply other threads:[~2006-06-29 15:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-29 15:20 Problem with Xilinx Uart Lite Qichen Huang
2006-06-29 15:32 ` Andrei Konovalov [this message]
[not found] ` <b4ebaa9d0606290959w528cac73qd0674c3b1de33a15@mail.gmail.com>
[not found] ` <44A41C6B.4080701@ru.mvista.com>
[not found] ` <b4ebaa9d0606291210p5c8284b9mec6ee8d3ed4b0ad8@mail.gmail.com>
[not found] ` <44A5040B.8020508@ru.mvista.com>
[not found] ` <b4ebaa9d0606300426v2a0b47d4mc49232dcacec19e3@mail.gmail.com>
[not found] ` <44A5178A.5050808@ru.mvista.com>
2006-07-03 10:59 ` Qichen Huang
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