Thread (2 messages) 2 messages, 2 authors, 2016-02-03

Re: [PATCH 01/10] serial: mvebu-uart: initial support for Armada-3700 serial port

From: Mark Rutland <hidden>
Date: 2016-02-03 17:05:39
Also in: linux-arm-kernel, linux-devicetree, linux-serial, lkml

Possibly related (same subject, not in this thread)

On Wed, Feb 03, 2016 at 05:56:56PM +0100, Gregory CLEMENT wrote:
Hi Mark,
 
 On mar., févr. 02 2016, Mark Rutland [off-list ref] wrote:
quoted
quoted
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,<addr>
+			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.
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