linux-kernel - Re: [RFC 3/4] MIPS: Ingenic: Initial X1000 SoC support

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Date:   Wed, 7 Mar 2018 19:13:35 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>
Cc:     Jiaxun Yang <jiaxun.yang@...goat.com>,
        James Hogan <jhogan@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Michael Turquette <mturquette@...libre.com>,
        sboyd@...eaurora.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux-MIPS <linux-mips@...ux-mips.org>,
        linux-clk@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Dominik Peklo <dom.peklo@...il.com>
Subject: Re: [RFC 3/4] MIPS: Ingenic: Initial X1000 SoC support

On Wed, Mar 7, 2018 at 5:25 PM, PrasannaKumar Muralidharan
<prasannatsmkumar@...il.com> wrote:
> On 7 March 2018 at 21:22, Jiaxun Yang <jiaxun.yang@...goat.com> wrote:
>> 在 2018-03-07三的 20:35 +0530，PrasannaKumar Muralidharan写道：
>>> Hi James,
>>>
>>> Seems Jiaxun is interested in the board and is willing to help.
>>>
>>> I have been told that Ingenic is focusing on IoT market and X1000 is
>>> intended for IoT segment. I think that they would be selling several
>>> 100Ks of chip over the coming years. But I feel Ingenic spends time
>>> only on maintaining their Linux port which is usually based on very
>>> old kernel version.
>>
>> Ingenic is going to release their XBrust2 core with it's products such
>> as X2000 a few days later. Witch is a pure MIPS64r5 with MXU2(A
>> superset of MIPS's MSA SIMD instruction set). The newest kernel port of
>> X1000 maintain by Ingenic is based on Linux-4.4 [1]. After communicated
>> with Ingenic, they said they are forcusing on China domestic market.
>> But they're looking for partners to enter foriegn market.
>>
>> [1] https://pan.baidu.com/s/1o8MeYts (Well you can download from this
>> Chinese website, ingenic have a gerrit but I don't have access to it.
>> As my experience, it's hard to develop on Chinese-made chips wihout
>> reading Chinese documents.)
>
> Can you take a diff and upload it somewhere else? Download speed is a
> couple of bytes per second. Can you put the diff in github or similar
> other service?
> I would like to see if the port uses DT.

Technically this was documented here:

ftp://ftp.ingenic.cn/DevSupport/Linux/Linux-3.0.8/JZ4780/JZ4780_linux_development_guide_EN.pdf

Go to §2.1 Download Source Code:

1) Download repo a) $ mkdir b) $ cd c) $ wget
http://git.ingenic.cn:8082/bj/repo d) $ chmod +x repo

However everything seems to be gone (including the gerrit page).

2ctc