[ECOS] Re: Redboot for Kinetis TWR-K70F120M
Fri Jan 6 12:30:00 GMT 2012
On 05.01.2012 11:38, Linh Nguyá»
> Hi all,
> Thanks for your replies. Currently, I don't understand about DDRAM of
> K70. Do I need configure DDRAM session in linker file, or doing
> somethings with DDRAM? K60 board does not have DDRAM, so where kernel
> will be loaded when booting?ote
You shall need linker script with a region and section for DDRAM indeed.
Also you will need some code for initialization of DDR controller and
possibly DDRAM chip.
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> 2012/1/4 Morris, Richard <Richard.Morris@lifetech.com
> Hi All,
> Regarding using J-Link and Ecos.
> I use J-Link with eCos and ARM processors. I have used it with
> the Kinetis K60, the NXP LPC2xxx family, Atmel AT91SAM family.
> My configuration is:
> Ubuntu Host 10.04
> Eclipse 3.6
> Zylin CDT Plugin (http://opensource.zylin.com/embeddedcdt.html)
> GCC compiler: provided with eCos or CodeSourcery's
> Segger's GDB Server (running on Linux or Windows)
> Segger's J-Link and/or J-Link Pro
> On Jan 3, 2012, at 6:01 AM, Ilija Kocho wrote:
>> Hello Linh
>> Thank you for your interest in eCos for Kinetis. First I would invite
>> you to post your comments and questions to some of eCos mailing
>> http://ecos.sourceware.org/intouch.html The benefit is both for
>> community and you, for instance I have no experience with J-Link, but
>> somebody else may have.
>> Regarding your attempt to run eCos on K70, apparently you are luckier
>> than me :) as you already got a K70 tower.
>> I am waiting for my K70 tower so I haven't been able to play with
>> K70 so
>> far, but from K70 RM I can assume that variant HAL may need some
>> (Clocking, etc.) in order to become compatible with K70.
>> Regarding your code: I would avoid changing variant default settings,
>> you can achieve similar effect by stating requirements in
>> platform HAL,
>> Please look at K40 CDL.
>> On 03.01.2012 09:00, Linh Nguyá»
>>> Dear Kocho,
>>> Currently, I porting Redboot from TWR K60 to K70. I have used source
>>> code from http://hg-pub.ecoscentric.com/ecos/. The attach files are
>>> patch for TWR K70 and eCos config file for k70-redboot. Redboot for
>>> K70 can build, but it can not run after download by IAR workbench
>>> through J-Link. Can you spend some free times to get overview on it,
>>> then give me your comments please. Thanks so much and have nice
>>> I'm looking forward to hearing from you.
>>> Thanks & Regards,
>>> Linh Nguyen
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> Richard Morris
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