Re: [Xen-devel] [RFC PATCH] xen/arm: Add MVEBU UART driver for Armada 3700 SoC

[Julien Grall <julien.grall@xxxxxxx>]

On 12/03/18 17:33, Amit Tomer wrote:
> Hi,
Hi,

> > This is quite useful to get output without any serial driver. I am quite
> > impressed you managed to debug your serial driver without it :).
> Actually,  we have earlycon=xenboot(suggested by Andre) enabled in
> Dom0 bootargs and it allowed us to
> debug XEN boot further.
>
> I am wondering if ealycon interface can be used in absence of > earlyprintk 
> doing same work?
earlycon=xenboot enables the early console for the hardware domain only. 
What I meant is having earlyprintk for Xen (see CONFIG_EARLY_PRINTK). 
This is used for low-level debug when booting the hypervisor.
Cheers,

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel