[ECOS] Re: Redboot for Kinetis TWR-K70F120M
Sat Jan 7 03:06:00 GMT 2012
Hi Kocho, Morris and all,
Firstly thanks Kocho for your guide. I have initialized SDRAM
controller & add SDRAM region into linker script. Currently, I can
Now I have one question. Why my Redboot does not contain "go" & "exec"
commands? Which component of eCos implements these commands?
Have a nice weekend.
Thanks & Regards,
On Fri, Jan 6, 2012 at 7:29 PM, Ilija Kocho <email@example.com> wrote:
> On 05.01.2012 11:38, Linh Nguyễn wrote:
>> 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
> 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.
> Little technical note: eCos mailing list filter permits only plain text so
> your HTML formatted mail has been rejected. In order to pass through
> instruct your e-mail client for plain text format when sending to eCos
> mailing list.
>> 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 Nguyễn wrote:
>>>> 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
>>> Before posting, please read the FAQ:
>>> and search the list archive:
>> Richard Morris
>> *Senior Staff Firmware Engineer*
>> *T* 650.638.6883
>> 850 Lincoln Centre Dr
>> MS 407-1
>> Foster City, CA 94404
>> http://www.lifetechnologies.com <http://www.lifetechnologies.com/>
>> This email and its attachments are confidential. If you received
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