[PATCH v2] arm: Add basic support for new Marvell Armada 370 and Armada XP SoC

[Gregory CLEMENT]

On 06/12/2012 03:49 PM, Arnd Bergmann wrote:
> On Monday 11 June 2012, Gregory CLEMENT wrote:
>> You'll find in this patch set the new version of the initial support for a
>> new family of ARMv7-compatible Marvell SoCs initially submitted by my
>> colleague Thomas Petazzoni. Following the conclusion of the discussion when
>> we submitted our first version we have chosen to add this support for this
>> SoC family in the to support in the arch/arm/mach-mvebu/ directory.
>>
>> As for the previous release, both the Armada 370 and the Armada XP SoCs are
>> supported in this directory, and we are able to build a single kernel image
>> that boots on both SoCs. Both SoCs use the PJ4B processor, a
>> Marvell-developed ARM core that implements the ARMv7 instruction set. We are
>> currently using Marvell evaluation boards for both of those SoCs, and the
>> support for those boards is added in this patch set.
> 
> Ok, very good.
> 
>> Andrew Lunn asked for refactoring the _restart() function to being used by
>> any MVEBU SOC, but we didn't find a nice way to do it. Indeed the registers
>> mapping differs between the SOC and the bit mask too. A solution could be to
>> get this mapping through the device tree, but we are not sure it was a good
>> usage of the device tree.
> 
> As I suggested in my reply to patch 4/8, I think this can be encapsulated
> in one file that acts as a driver for the generic ("bridge regs") registers
> and provides functions for that based on the "compatible" property.
> 
> On a more general note, I'd prefer to have the patches renaming the existing
> files first for the mach-mvebu directory first, and then adding your patches
> on top.
> 
> I can provide a new version of the patch I did once we have agreement on what
> goes where. I've put some more thought into it and the best I could come up
> with is now.

OK we wait for your new version of this patch to rebase our work on top of it.

> 
> arch/arm/mach-{orion5x,dove,kirkwood,mv78xx0}/include/mach/*
> 	-> arch/arm/mach-mvebu/include/mach/
> arch/arm/plat-orion/include/plat/*
> 	-> arch/arm/mach-mvebu/include/mach/
> arch/arm/plat-orion/*
> 	-> arch/arm/mach-mvebu/
> arch/arm/mach-{orion5x,dove,kirkwood,mv78xx0}/{add-map,common,irq,mpp,pci}.*
> 	-> arch/arm/mach-mvebu/
> arch/arm/mach-kirkwood/board-* (DT files)
> 	-> arch/arm/mach-mvebu/
> 
> This is basically the same as the patch I sent out before, but with the
> new machine name, and leaving all the *-setup.c files in their existing
> locations, where they can either get removed after being converted to DT
> or after being assumed dead.
> 
> 	Arnd


-- 
Gregory Clement, Free Electrons
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development, consulting, training and support.
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