Planet maemo: category "feed:c375eca130e9b3972cb48d0355b2980a"

Marcin Juszkiewicz

It is 10 years of Linux on ARM for me

2014-02-11 21:19 UTC  by  Marcin Juszkiewicz
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It was somewhere between 7th and 11th February 2004 when I got package with my first Linux/ARM device. It was Sharp Zaurus SL-5500 (also named “collie”) and all started…

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Marcin Juszkiewicz

ARMology

2013-06-08 15:30 UTC  by  Marcin Juszkiewicz
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When last time I was in Cambridge we had a discussion about ARM processors. Paweł used term “ARMology” then. And with recent announcement of Cortex-A12 cpu core I thought that it may be a good idea to write a blog post about it.

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Marcin Juszkiewicz

Cookies blabla…

2013-03-22 21:25 UTC  by  Marcin Juszkiewicz
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This site is using cookies. Some of them are to track you as I use Google Analytics. Other may keep your name/email/website when you write comments on my blog.

We have new law here in European Union that visitors should get notification when website is using cookies. You know — privacy stuff etc. Lot of people does not even have any idea what this whole noise is about. There are websites for them with all that not even needed information — your search engine will point you there (and use few cookies in meantime).

I do not plan to add any of those annoying popups which will tell that there are cookies in use. Once you see such one you get cookie — cause website needs a way to remember that you clicked “yes, I know, get off my screen” button. You will not see such one here.

There is a text box in right column about cookies — go, read, decide would you read my blog or not. It is your choice and always was.

PS. I added tags into post just to get this post shown on each RSS aggregator I am/was listed.

UPDATE: added small header.


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Cookies blabla… was originally posted on Marcin Juszkiewicz website

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Marcin Juszkiewicz

FOSDEM 2013

2013-02-05 10:30 UTC  by  Marcin Juszkiewicz
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Year ago we had Linaro Connect right after FOSDEM so I decided to skip and walk to Golden Gate instead. But this year there were no conflicts!

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Marcin Juszkiewicz

Half year ago I got Tizen development platform device. Played a bit with it and then put in a drawer due to other things to do.

Today I looked again at Tizen. Nothing changed. Git repositories still scream “****@#$!$ *** *** you developers!” due to lack of any commits other than code drop bombs.

So if someone (from Europe) wants this device — be first to comment. Sending with DHL and you pay for posting.


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Does someone wants Tizen development platform device? was originally posted on Marcin Juszkiewicz website

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Marcin Juszkiewicz

Complaining

2012-11-19 21:43 UTC  by  Marcin Juszkiewicz
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People told me many times that I complain a lot (maybe even too much sometimes). But this is who I am and you have to live with it.

When I get new device I usually blog about it — like I told during recent conferences: “give me a device and I will find something to complain about, but also will usually tell something positive as well”. Sometimes those posts even got presented by other people at management meetings as an example of what is good/wrong in described products.

But so far I never got an email with ask to remove any blog post — there were comments outside of blog sometimes but never request to take my opinion down. I edited two posts — first one was before publication because I sent it for review (it was not requested by company), second time when I got some information about product in public space but device had to be announced week later at big event during one of trade shows.

What do you think? Should I write more about devices or rather not?


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Complaining was originally posted on Marcin Juszkiewicz website

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Marcin Juszkiewicz

What interest me in ARM world

2012-09-29 20:04 UTC  by  Marcin Juszkiewicz
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When I published my last post about ARM boards there were many questions and suggestions with interesting devices. Thank You all for it.

But there were also suggestions about ARM9 or ARM11 based devices. So I decided that it is good time to write what interest me now in ARM world.

But first some inventory. I had/used/have several devices with ARM cpu:

  • StrongARM (armv4) one:

    • Sharp Zaurus SL-5500 (which took me to ARM world)
  • ARM920 (armv4t) ones:

    • Openmoko GTA01 bv3, bv4 (s3c2410)
    • EDB9301 (EP9301 cpu)
    • Sim-One (EP9307)
  • ARM926 (armv5te) ones:

    • Sharp Zaurus sl-5600 (pxa250)
    • Sharp Zaurus c760/sl-6000 (pxa255)
    • Sharp Zaurus sl-c3000 (pxa272)
    • Sheevaplug (kirkwood)
    • Atmel devboards (at91sam9263, at91sam9m10)
    • ST-Microelectronics/ST-Ericsson NDK-15, NHK-15 (st88n15)
    • Nokia 770 (omap1710)
    • Linksys NSLU2 (ixp425 iirc)
  • ARM1136 (armv6) ones:

    • Nokia N810 (omap2430)
    • Bug r1.0, r1.2 (i.mx31)
  • Cortex-A8 (armv7a) ones:

    • Beagleboard B7, B7, C3 (omap3430)
    • Nokia N900 (omap3430)
    • Nexus S (exynos3)
    • Genesi Efika MX Smartbook (i.mx51)
    • Freescale Quickstart (i.mx53)
  • Cortex-A9 (armv7a) ones:

    • Pandaboard EA1, A1 (omap4430)
    • Archos G9 80 (omap4430)

All of that during last 8 years. Most of my ARM live so far was around ARM926 based devices (some of them still can not be listed here) and I do not want to go there again. Kirkwood core was fastest one with 1.2GHz clock and 512MB of RAM it was really fast machine. I only missed Serial ATA in my Sheevaplug (rev 1.0) but even with hard drive on USB it was nice improvement.

Then I played a bit with ARM11 processors. Ok, they were faster than most of ARM9 cpus but I already had experience with Sheevaplug. And after few months first Cortex-a8 board landed on my desk — I got Beagleboard B7 from Bug labs as test platform for their new device. This was improvement!

I still remember my reaction when connected it to normal LCD monitor and saw it used at 720p resolution (1680×1050 was a bit hard for omap3). Moved to Nokia N900 few months later and found that fast cpu means nothing when paired with slow storage and not enough memory for system.

So today I prefer to not look below Cortex-A9 (or comparable cores like ones from Qualcomm or Marvell). Hope to play one day with Cortex-A5 (which should replace ARM926 one day) just to see how low-end armv7a cpu behave.

And wait for ARMv8 to hit market.


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What interest me in ARM world was originally posted on Marcin Juszkiewicz website

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Marcin Juszkiewicz

Tizen: first impressions

2012-05-10 01:17 UTC  by  Marcin Juszkiewicz
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During my stay in Oakland, CA (due to Ubuntu Developer Summit) I decided to attend also Tizen Developers Conference. Not that I have any relations with this platform — just wanted to meet some friends from Maemo times. And I did not had plans for Tuesday evening while Tizen visitors had social event planned in The California Academy of Sciences.

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Marcin Juszkiewicz

UDS-Q

2012-05-08 13:14 UTC  by  Marcin Juszkiewicz
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Another May, another Ubuntu Developers Summit. This time I am in Oakland, California, USA (even if my tweets shows Dallas, Texas as geolocation).

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Marcin Juszkiewicz

Bought Archos 80 G9 Turbo tablet

2012-02-20 13:19 UTC  by  Marcin Juszkiewicz
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During last Linaro Connect I bought myself an Android tablet. After checking what is on market decided to buy Archos 80 G9 Turbo. According to Amazon product page it had to have 1.5GHz OMAP4460 cpu and 1GB of memory. But it did not…

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Marcin Juszkiewicz

I got interviewed during Linaro Connect

2011-11-04 10:36 UTC  by  Marcin Juszkiewicz
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Half year ago at UDS-O in Budapest Michael Opdenacker interviewed some people from Linaro. I remember that at the end of event Kiko asked him did he talked with me cause he thought that it could be interesting for someone.

Then we had another Linaro Connect (in Cambourne) and nothing happened. But in previous week I got an email that there will be interview with me in Orlando and that I should choose time slot for it. So I did and here is the result:

httpv://www.youtube.com/watch?v=ajNSrQfFcPA

What we were talking about? Check it yourself. And please comment did you enjoyed.


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I got interviewed during Linaro Connect was originally posted on Marcin Juszkiewicz website

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Marcin Juszkiewicz

Dublin: Ubuntu sprint and more

2011-07-08 15:16 UTC  by  Marcin Juszkiewicz
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Last week there was Ubuntu platform sprint in Dublin, Ireland. I was there as one of invited Linaro guys (we got own room). What for we went there?

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