May be console=ttyCPM0,115200 helps?
2008/6/7 Detlev Zundel <[EMAIL PROTECTED]>:
> Hi Mike,
>
>> Sorry for the confusing. I just figured out my problem is not for the
>> Uboot version...
>>
>> As you suggested, I debuged the hw action related to serial driver
>> today. I add the "console=ttyS2" in
Hi Mike,
> Sorry for the confusing. I just figured out my problem is not for the
> Uboot version...
>
> As you suggested, I debuged the hw action related to serial driver
> today. I add the "console=ttyS2" in my uboot bootargs and corrected some
> part, but still no output yet. Is there other fact
affect the
console output, except the serial driver?
BestRegards,
Mike Qin
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of Detlev Zundel
Sent: Thursday, June 05, 2008 10:22 PM
To: linuxppc-embedded@ozlabs.org
Subject: Re: No console output when booting
Hi Mike,
> Thanks. Now I am confusing with the way uboot passing parameters to
> linux kernel:
>
> in Uboot 1.2.0: Kernel is entered through the following calling
> theKernel (linux_argc, linux_argv, linux_env, 0);
> while in Uboot 1.3.0:
> (*kernel) (kbd, initrd_start, initrd_end,
-embedded@ozlabs.org
Subject: Re: No console output when booting linux from uboot
Hi Mike,
> I am trying to boot linux kernel (2.6.23) from uboot (1.3.2) for my
> custom board. The uboot works well, the kernel booting hit the
> start_kernel(). But there is nothing output from console.
Do yo
Hi Mike,
> I am trying to boot linux kernel (2.6.23) from uboot (1.3.2) for my custom
> board. The uboot works well, the kernel booting hit the start_kernel(). But
> there is nothing output from console.
Do you provide a correct "console=..." parameter?
> With debugger, I saw that the printk() f