From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marc Zyngier <marc.zyngier@arm.com>
Subject: Re: [PATCH] Extract initrd free logic from arch-specific code.
Date: Thu, 29 Mar 2018 18:53:43 +0100
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To: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: Linux MIPS Mailing List <linux-mips@linux-mips.org>, Linux-sh list <linux-sh@vger.kernel.org>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Linus Walleij <linus.walleij@linaro.org>, Will Deacon <will.deacon@arm.com>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, "James E.J. Bottomley" <jejb@parisc-linux.org>, Christoph Hellwig <hch@infradead.org>, Geert Uytterhoeven <geert@linux-m68k.org>, Catalin Marinas <catalin.marinas@arm.com>, Matt Turner <mattst88@gmail.com>, Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>, "moderated list:H8/300 ARCHITECTURE" <uclinux-h8-devel@lists.sourceforge.jp>, Vladimir Murzin <vladimir.murzin@arm.com>, adi-buildroot-devel@lists.sourceforge.net, Nicholas Piggin <npiggin@gmail.com>, Al Viro <viro@zeniv.linux.org.uk>, Thomas Gleixner <tglx@linutronix.de>, Richard Henderson <rth@twiddle.net>, Cris <linux-cris-ke>

On Thu, 29 Mar 2018 18:32:47 +0100,
Russell King - ARM Linux wrote:
> 
> On Thu, Mar 29, 2018 at 05:53:14PM +0100, Marc Zyngier wrote:
> > On Thu, 29 Mar 2018 16:58:27 +0100,
> > Russell King - ARM Linux wrote:

[...]

> > > I'm not aware of there being an emulated UART in the guest's address
> > > space, so serial based stuff doesn't work.
> > 
> > "earlycon=uart,mmio,0x3f8" is what you're looking for:
> 
> Does that also mean that we have a RTC at the standard PC IO addresses
> as well, but in mmio space?

There is one, together with an i8042. Not exposed in the DT though.

	M.

-- 
Jazz is not dead, it just smell funny.