From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark.rutland@arm.com (Mark Rutland) Date: Wed, 3 Feb 2016 17:05:07 +0000 Subject: [PATCH 01/10] serial: mvebu-uart: initial support for Armada-3700 serial port In-Reply-To: <87egct4trb.fsf@free-electrons.com> References: <1454436468-4241-1-git-send-email-gregory.clement@free-electrons.com> <1454436468-4241-2-git-send-email-gregory.clement@free-electrons.com> <20160202182842.GD29778@leverpostej> <87egct4trb.fsf@free-electrons.com> Message-ID: <20160203170506.GE1234@leverpostej> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Feb 03, 2016 at 05:56:56PM +0100, Gregory CLEMENT wrote: > Hi Mark, > > On mar., f?vr. 02 2016, Mark Rutland wrote: > >> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt > >> index 87d40a72f6a1..198f6bd56e84 100644 > >> --- a/Documentation/kernel-parameters.txt > >> +++ b/Documentation/kernel-parameters.txt > >> @@ -1058,6 +1058,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. > >> A valid base address must be provided, and the serial > >> port must already be setup and configured. > >> > >> + mvebu_uart, > >> + Start an early, polled-mode console on an some mvebu > >> + SoC (as the Armada-3700) serial port at the specified > >> + address. The serial port must already be setup and > >> + configured. Options are not yet supported. > >> + > > > > Does the the mvebu UART vary between platforms at all? > > I am not sure to undersatnd your question. > > If you asked about the UART used on the other mvebu SoCs then my answer > is: on all the other mvebu SoC until now third party IPs were used. Ah, I hadn't realised that. > This one is the first one dedicated to an mevbu SoC and currently only > used on Armada 3700 but I don't know what are the plan for the future > mvebu SoCs. Given that, I think it would be better to use "armada3700_uart=" for now, given it doesn't cover all mvebu SoCs. Thanks, Mark.