From: James Hogan <jhogan@kernel.org>
To: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Ralf Baechle <ralf@linux-mips.org>,
Michael Turquette <mturquette@baylibre.com>,
sboyd@codeaurora.org,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
Linux-MIPS <linux-mips@linux-mips.org>,
linux-clk@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>,
Paul Cercueil <paul@crapouillou.net>,
Mathieu Malaterre <malat@debian.org>,
Dominik Peklo <dom.peklo@gmail.com>
Subject: Re: [RFC 3/4] MIPS: Ingenic: Initial X1000 SoC support
Date: Wed, 7 Mar 2018 15:10:25 +0000 [thread overview]
Message-ID: <20180307151025.GP4197@saruman> (raw)
In-Reply-To: <CANc+2y5wsvGWszu3pePYhs2wb1_AgPdjG+ugfOCzbZVfVHDMvw@mail.gmail.com>
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On Wed, Mar 07, 2018 at 08:35:00PM +0530, PrasannaKumar Muralidharan wrote:
> On 7 March 2018 at 20:05, James Hogan <jhogan@kernel.org> wrote:
> > On Wed, Mar 07, 2018 at 07:14:49PM +0530, PrasannaKumar Muralidharan wrote:
> >> > Does X1000 use a different PRID, or is it basically just a JZ4780 core
> >> > with different SoC peripherals?
> >>
> >> Yes X1000 does have a different PRID (PRID = 0x2ed1024f). X1000 has
> >
> > Right, so thats 0x2e000000 | PRID_COMP_INGENIC_D1 | PRID_IMP_JZRISC |
> > 0x4f, which cpu-probe.c already handles (apparently the D1 company code
> > is used for JZ4770 & JZ4775 too).
>
> Okay. Does this mean I need not modify get_board_mach_type() and
> get_system_type()?
You still need to modify them, otherwise it won't understand
"ingenic,x1000" compatible string, and will call it a JZ4740 in
/proc/cpuinfo.
> >> I used to get my code tested from Domink but I could not reach him for
> >> quite some time. Before buying the development board myself I would
> >> like to see if anyone can help me in testing. Do you have any contact
> >> with Ingenic who can help in testing this?
> >
> > Not personally, but I'll ask around. Of course if nobody much cares
> > about it in practice and nobody has the hardware, there may be little
> > value in supporting it upstream.
>
> Seems Jiaxun is interested in the board and is willing to help.
Okay, cool.
Cheers
James
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next prev parent reply other threads:[~2018-03-07 15:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-27 15:15 [RFC 0/4] Add Ingenic X1000 SoC Support PrasannaKumar Muralidharan
2017-09-27 15:15 ` [RFC 1/4] dt-bindings: Add Ingenic X1000 SoC clock define PrasannaKumar Muralidharan
2017-09-27 15:15 ` [RFC 2/4] clk: Add Ingenic X1000 CGU driver PrasannaKumar Muralidharan
2017-10-25 9:23 ` Stephen Boyd
2017-09-27 15:15 ` [RFC 3/4] MIPS: Ingenic: Initial X1000 SoC support PrasannaKumar Muralidharan
2018-03-06 0:08 ` James Hogan
2018-03-07 13:44 ` PrasannaKumar Muralidharan
2018-03-07 14:19 ` Jiaxun Yang
2018-03-07 15:21 ` PrasannaKumar Muralidharan
2018-03-07 14:35 ` James Hogan
2018-03-07 15:05 ` PrasannaKumar Muralidharan
2018-03-07 15:10 ` James Hogan [this message]
2018-03-07 15:22 ` PrasannaKumar Muralidharan
2018-03-07 15:52 ` Jiaxun Yang
2018-03-07 16:25 ` PrasannaKumar Muralidharan
2018-03-07 18:13 ` Mathieu Malaterre
2018-03-10 19:05 ` Jiaxun Yang
2018-03-09 0:52 ` Jiaxun Yang
2017-09-27 15:15 ` [RFC 4/4] MIPS: Ingenic: Add Halley2 development board support PrasannaKumar Muralidharan
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