[U-Boot] Beagleboard: SPL hangs on serial init

Manfred Huber
2013-03-16T13:13:54Z

I'm surprised that no one is interested in a functioning Beagleboard.
Has no one tested the Beagleboard since 2012-09-19?

Best regards,
Manfred Huber

On 2013-02-27 14:09, man.huber at arcor.de wrote:
> SPL hangs on a beagleboard during the serial initialization (line 40 of drivers/serial/ns16550.c). The reason is the non-empty shift register of TX (transmit FIFO is empty). To avoid the hangup include/configs/omap3_beagle.h has to be changed like in include/configs/igep00x0.h:
>
> diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
> index 59255c4..63cd30b 100644
> --- a/include/configs/omap3_beagle.h
> +++ b/include/configs/omap3_beagle.h
> @@ -81,6 +81,9 @@
> #define CONFIG_SYS_NS16550_REG_SIZE (-4)
> #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
>
> +/* define to avoid U-Boot to hang while waiting for TEMT */
> +#define CONFIG_SYS_NS16550_BROKEN_TEMT
> +
> /*
> * select serial console configuration
> */
>
> Best regards,
> Manfred Huber
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