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From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: James Hogan <jhogan@kernel.org>
Cc: Paul Burton <paul.burton@mips.com>,
	Ralf Baechle <ralf@linux-mips.org>,
	linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 09/13] MIPS: mscc: Add initial support for Microsemi MIPS SoCs
Date: Fri, 2 Mar 2018 16:22:24 +0100
Message-ID: <20180302152224.GD1479@piout.net> (raw)
In-Reply-To: <20180117235846.GA25314@saruman>

Hi,

On 17/01/2018 at 23:58:47 +0000, James Hogan wrote:
> Poking at random I/O always feels a bit risky.
> 
> Some safety checked environment checking (Paul says modetty0 should
> always be in there for YAMON) might work.
> 
> Does Ocelot have a read-only ID register with a specific value? We'd
> have to add prioritisation of the legacy board detection to rely on
> that.
> 

There is an ID register at 0x71070000.

> If all else fails, we could still make them mutually exclusive,
> something roughly like below would work but its a bit clumsy as all the
> ocelot config options would still get enabled when sead3 is enabled,
> even though some of the drivers may not be useful. The detection &
> co-existence can always be improved later. What do you think?
> 

I now have something working based on what you suggested. I'm cleaning
that up and I'll resubmit soon.


-- 
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

  reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-28 15:26 [PATCH 00/13] MIPS: add support for the " Alexandre Belloni
2017-11-28 15:26 ` [PATCH 01/13] dt-bindings: Add vendor prefix for Microsemi Corporation Alexandre Belloni
2017-11-28 16:10   ` James Hogan
2017-11-28 16:22     ` Alexandre Belloni
2017-12-01  1:14       ` Rob Herring
2017-11-28 15:26 ` [PATCH 02/13] dt-bindings: interrupt-controller: Add binding for the Microsemi Ocelot interrupt controller Alexandre Belloni
2017-12-01  1:15   ` Rob Herring
2017-11-28 15:26 ` [PATCH 03/13] irqchip: Add a driver for the Microsemi Ocelot controller Alexandre Belloni
2017-11-28 15:26 ` [PATCH 04/13] dt-bindings: pinctrl: Add bindings for Microsemi Ocelot Alexandre Belloni
2017-12-01  1:16   ` Rob Herring
2017-11-28 15:26 ` [PATCH 05/13] pinctrl: Add Microsemi Ocelot SoC driver Alexandre Belloni
2017-11-28 15:26 ` [PATCH 06/13] dt-bindings: power: reset: Document ocelot-reset binding Alexandre Belloni
2017-12-01  1:54   ` Rob Herring
2017-11-28 15:26 ` [PATCH 07/13] power: reset: Add a driver for the Microsemi Ocelot reset Alexandre Belloni
2017-11-28 15:26 ` [PATCH 08/13] dt-bindings: mips: Add bindings for Microsemi SoCs Alexandre Belloni
2017-11-28 19:14   ` Florian Fainelli
2017-11-28 15:26 ` [PATCH 09/13] MIPS: mscc: Add initial support for Microsemi MIPS SoCs Alexandre Belloni
2017-11-28 16:01   ` James Hogan
2017-11-28 16:53     ` Alexandre Belloni
2017-11-28 17:31       ` James Hogan
2017-11-28 19:50         ` Paul Burton
2017-11-29 16:38           ` Alexandre Belloni
2018-01-17 23:58             ` James Hogan
2018-03-02 15:22               ` Alexandre Belloni [this message]
2017-11-28 15:26 ` [PATCH 10/13] MIPS: mscc: add ocelot dtsi Alexandre Belloni
2017-11-28 18:40   ` Florian Fainelli
2017-11-28 15:26 ` [PATCH 11/13] MIPS: mscc: add ocelot PCB123 device tree Alexandre Belloni
2017-11-28 15:26 ` [PATCH 12/13] MIPS: defconfigs: add a defconfig for Microsemi SoCs Alexandre Belloni
2017-11-28 15:26 ` [PATCH 13/13] MAINTAINERS: Add entry for Microsemi MIPS SoCs Alexandre Belloni
2017-11-28 15:34   ` Joe Perches
2017-11-28 15:44     ` Alexandre Belloni

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