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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] PPC405 with XMD boot
Date: Wed, 06 Feb 2013 15:08:41 +0100	[thread overview]
Message-ID: <511263E9.7060306@denx.de> (raw)
In-Reply-To: <20130206111311.GA32098@crg>

On 02/06/2013 12:13 PM, Rommel G Custodio wrote:
>> If I define CONFIG_SYS_NS16550_BROKEN_TEMT, it gets stuck in the while loop
>> in NS16550_putc:
>>
>>     while ((serial_in(&com_port->lsr) & UART_LSR_THRE) == 0)
>>         ;
>>     serial_out(c, &com_port->thr);
>>
>> From the GDB output, I can see it is using the correct address for the the
>> serial port (0x84000000)
> 
> Hmmn. I've seen that before, I think.
> Don't define CONFIG_SYS_NS16550_BROKEN_TEMT.

That should not be necessary.

> Make sure you use CTS/RTS (h/w flow) control with your terminal
> application.

Are you sure that all clocks, especially those related with the UART
controller, are configured correctly?

Thanks,
Stefan

  reply	other threads:[~2013-02-06 14:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-06  0:51 [U-Boot] PPC405 with XMD boot Frank Lombardo
2013-02-06 11:13 ` Rommel G Custodio
2013-02-06 14:08   ` Stefan Roese [this message]
2013-02-07  3:20     ` Frank Lombardo
2013-02-07  7:12       ` Stefan Roese
2013-02-07  9:21         ` Rommel Custodio

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