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List:       netbsd-port-arm
Subject:    Re: AARCH64 booting
From:       Jared McNeill <jmcneill () invisible ! ca>
Date:       2018-05-23 21:08:35
Message-ID: alpine.NEB.2.20.1805231806210.1246 () silky ! lan ! invisible ! ca
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On Wed, 23 May 2018, Robert Swindells wrote:

> I now get the following, not sure yet what is causing the garbage output
> from locore:

I would guess you either have a misconfigured clock / baud rate, or you 
are not properly checking TX FIFO status before writing in your platform 
early_putchar impl.

For the latter, have a look at the meson8b code, I expect it is similar 
to your SoC in this regard:

https://nxr.netbsd.org/xref/src/sys/arch/evbarm/amlogic/amlogic_machdep.c#267
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