linux-kernel - Re: [PATCH v2 00/11] ARM: dts: zynq: Prepare Parallella

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Message-ID: <184e81f64c364675bac53dfb10c52552@BN1AFFO11FD022.protection.gbl>
Date:	Wed, 22 Oct 2014 15:22:16 +0200
From:	Michal Simek <michal.simek@...inx.com>
To:	Olof Johansson <olof@...om.net>,
	Andreas Färber <afaerber@...e.de>
CC:	Sören Brinkmann <soren.brinkmann@...inx.com>,
	Michal Simek <michal.simek@...inx.com>,
	Andreas Olofsson <andreas@...pteva.com>,
	Matteo Vit <matteo.vit@...rwaredesign.com>,
	Sean Rickerd <srickerd@...e.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Punnaiah Choudary Kalluri <punnaia@...inx.com>,
	Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH v2 00/11] ARM: dts: zynq: Prepare Parallella

On 10/21/2014 11:18 PM, Olof Johansson wrote:
> On Tue, Oct 21, 2014 at 2:07 PM, Andreas Färber <afaerber@...e.de> wrote:
>> Am 21.10.2014 um 23:01 schrieb Olof Johansson:
>>> On Tue, Oct 21, 2014 at 1:52 PM, Andreas Färber <afaerber@...e.de> wrote:
>>>> Am 18.10.2014 um 06:28 schrieb Olof Johansson:
>>>>> I did a test run with yesterday's -next It looks like networking isn't
>>>>> working there at the moment, clock related. Same happens with 3.17 and
>>>>> latest mainline, config multi_v7_defconfig:
>>>>>
>>>>> [WARN] [    7.943648] macb e000b000.ethernet eth0: unable to generate
>>>>> target frequency: 125000000 Hz
>>>>> [WARN] [   10.948681] macb e000b000.ethernet eth0: unable to generate
>>>>> target frequency: 125000000 Hz
>>>>
>>>> I am unable to reproduce this in my setup - at Linus' tip
>>>> c2661b806092d8ea2dccb7b02b65776555e0ee47 (v3.18-rc1-68-gc2661b8), make
>>>> oldconfig'ing my /proc/config.gz.
>>>>
>>>> Sören, in light of your explanations, should I be expecting problems
>>>> with 1GbE or with 100MbE? My board is connected to a 1GbE switch.
>>>
>>> My board might have old firmware/bitstream on it? It reports as:
>>>
>>> U-Boot 2012.10-00003-g792c31c (Jan 03 2014 - 12:24:08)
>>
>> Mine reports the same version.
>>
>> sha512sum of non-headless bitstream:
>> decb37222a7da0de39b1c1eb95714500cc006506cc86d85ed9c6c7b30c7cd7b91ef3592b886311f4285b5ce0079b4ffcd83f91ae275435ac15cefefe7db00b08
>>  /mnt/parallella.bit.bin
> 
> Mine is booting with whatever bitstream is flashed, and i'm not sure
> how to actually look at what that is.
> 
> 'fpga dump 0 0x10000000 0x1000000' doesn't do what I expect it to
> (target memory isn't modified).

Dumping bitstream is not supported in u-boot that's why it won't work.

I have tested the board I have here and no problem to run at 100 or 1000Mbit/s.

[  188.898563] macb e000b000.ethernet eth0: link down
[  192.898600] macb e000b000.ethernet eth0: link up (1000/Full)
[  708.898556] macb e000b000.ethernet eth0: link down
[  715.898696] macb e000b000.ethernet eth0: link up (100/Full)
[  749.909764] macb e000b000.ethernet eth0: link down
[  761.915769] macb e000b000.ethernet eth0: link up (1000/Full)

I will send you my boot.bin in private email which you can try.

Thanks,
Michal





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