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Re: [PATCH 0/3] XBurst JZ4730 support

To: Graham Gower <>
Subject: Re: [PATCH 0/3] XBurst JZ4730 support
From: Lars-Peter Clausen <>
Date: Fri, 26 Feb 2010 02:51:00 +0100
Cc: Florian Fainelli <>, Mirko Vogt <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
User-agent: Mozilla-Thunderbird (X11/20090707)
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Graham Gower wrote:
> On 25 February 2010 18:22, Florian Fainelli <> wrote:
>> Maybe you should work with the OpenWrt and qi-hardware guys to get the
>> also merged in the same time?
> I've not seen any active attempt to get xburst code merged before and
> assumed there was no interest from others. I'm happy to be wrong on
> this.
I'm currently working on linux support for a few jz4740 hbased devices.
And it's definitely a goal get the code merged upstream once it is in
proper shape, but there is still some stuff that needs to be done.
Mostly documentation and smaller cleanups.
> My patch does not preclude adding jz4740 support. I don't have any of
> these devices however, so have only included code for the jz4730.
Unfortunately I don't have a jz4730 programmers manual to check so I
can't say for sure, but I guess there is quite some code that could be
shared between between both SoCS(and other jz47xx). I think we don't
want to do what Ingenic did with their codebase and copy 'n paste the
same file with minor modifications for each soc type.

You can find the patches (and files) adding jz4740 support to the
linux kernel at [1] and [2].
I suggest you take a look at it and see if we could use some of the
files(irq, gpio, dma, ...) for a common base between all jz47xx SoCs.
> -Graham
- - Lars

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