From: Alex Zeffertt <ajz@cambridgebroadband•com>
To: Joakim Tjernlund <joakim.tjernlund@transmode•se>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: No ttyS device at I/O port 0xfe004500 for console
Date: Wed, 14 Jun 2006 09:51:45 +0100 [thread overview]
Message-ID: <448FCE21.5030005@cambridgebroadband.com> (raw)
In-Reply-To: <001001c68f2f$42f6e730$0e67a8c0@Jocke>
[-- Attachment #1: Type: text/plain, Size: 1095 bytes --]
Joakim Tjernlund wrote:
>
>
>> -----Original Message-----
>> From:
>> linuxppc-embedded-bounces+joakim.tjernlund=lumentis.se@ozlabs.
>> org
>> [mailto:linuxppc-embedded-bounces+joakim.tjernlund=lumentis.se
>> @ozlabs.org] On Behalf Of Alex Zeffertt
>> Sent: den 13 juni 2006 18:48
>> To: linuxppc-embedded@ozlabs•org
>> Subject: No ttyS device at I/O port 0xfe004500 for console
>>
>> Hi list,
>>
>> I'm trying to boot a linux-2.6.11 kernel on a MPC83xx based
>> board. Through some experimentation I have found I need
>> "console=uart,io,0xfe004500"
>> in the kernel command line in order to get any output over
>> the serial port.
>
> Alex, can you post your complete u-boot env(printenv). I am trying to do
> the same as you but I havn't gotten any output yet. I managed to wipe my
> u-boot & u-boot env and the docs arent that great :(
>
> Jocke
>
No problem.
I just had to try absolutely *every* possible option for the console parameter.
Eventually this worked (for the early serial output only, not for /dev/console
output.)
See attached for my u-boot environment
Alex
[-- Attachment #2: u-boot.log --]
[-- Type: text/plain, Size: 1470 bytes --]
U-Boot 1.1.3 (FSL Development) (Jun 13 2006 - 14:01:25) MPC83XX
Clock configuration:
Coherent System Bus: 132 MHz
Core: 264 MHz
QE: 198 MHz
Local Bus Controller: 132 MHz
Local Bus: 66 MHz
DDR: 264 MHz
SEC: 132 MHz
I2C1: 132 MHz
CPU: MPC8323E, Rev: 10 at 264 MHz
Board: Freescale MPC832XEPB
I2C: ready
DRAM:
DDR RAM: 128 MB
FLASH: 16 MB
In: serial
Out: serial
Err: serial
Net: FSL GETH0
Hit any key to stop autoboot: 0
=> printenv
ramboot=setenv bootargs root=/dev/ram rw console=$consoledev,$baudrate $othbootargs;tftp $ramdiskaddr $ramdiskfile;tftp $loadaddr $bootfile;bootm $loadaddr $ramdiskaddr
bootdelay=6
loads_echo=1
loadaddr=200000
netdev=eth0
ramdiskaddr=400000
ramdiskfile=ramfs.83xx
ethact=FSL GETH0
ethaddr=00:04:9f:00:00:00
ipaddr=10.0.6.65
netmask=255.255.0.0
serverip=10.0.0.107
gatewayip=10.0.0.1
rootpath=/opt/eldk/ppc_6xx
bootfile=uImage
baudrate=9600
consoledev=uart,io,0xfe004500
bootargs=root=/dev/nfs rw nfsroot=10.0.0.107:/opt/eldk/ppc_6xx ip=10.0.6.65:10.0.0.107:10.0.0.1:255.255.0.0:eth0:off console=uart,io,0xfe004500
nfsboot=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath ip=$ipaddr:$serverip:$gatewayip:$netmask:$netdev:off console=$consoledev $othbootargs;tftp $loadaddr $bootfile;bootm $loadaddr
bootcmd=run nfsboot
stdin=serial
stdout=serial
stderr=serial
Environment size: 871/8188 bytes
=>
next prev parent reply other threads:[~2006-06-14 8:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-13 16:48 No ttyS device at I/O port 0xfe004500 for console Alex Zeffertt
2006-06-13 19:55 ` Kumar Gala
2006-06-13 20:46 ` Joakim Tjernlund
2006-06-13 21:25 ` Chuck Meade
2006-06-13 21:39 ` Joakim Tjernlund
2006-06-13 22:01 ` Chuck Meade
2006-06-13 22:32 ` Kumar Gala
2006-06-14 9:00 ` Alex Zeffertt
2006-06-13 23:53 ` Joakim Tjernlund
2006-06-14 0:19 ` Joakim Tjernlund
2006-06-14 2:27 ` Chuck Meade
2006-06-14 8:47 ` Alex Zeffertt
2006-06-13 21:20 ` Joakim Tjernlund
2006-06-14 8:51 ` Alex Zeffertt [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-06-14 12:37 Joakim Tjernlund
2006-06-14 14:04 ` Chuck Meade
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