[ECOS] Re: Redboot for Kinetis TWR-K70F120M

[Ilija Kocho]

On 02.02.2012 09:55, Linh Nguyá»
n wrote:
> Dear all,
> Good news. I have found and downloaded the Linux 2.6 kernel for
> Cortex-M (currently is M3 for STM32F2, LPC1788, ARM fusion A2F) and
> built successfully. I can porting to Cortex-M4 based on this kernel.
> This is the link:
> http://www.emcraft.com/index.php/component/jdownloads/view.download/6/8
> or
> http://www.emcraft.com/index.php/technology/98    (file name:
> a2f-linux-linux-2.6.tar.bz2)

Thank you for pointing this out Linh.

Ilija


>
> Thanks&  Regards,
> Linh Nguyen
>
> On Tue, Jan 10, 2012 at 3:03 PM, Ilija Kocho<ilijak@siva.com.mk>  wrote:
>> Linh
>>
>> Thank you for references.oreo
>>
>>
>> On 10.01.2012 03:38, Linh Nguyá»
n wrote:
>>> http://www.linux-arm.org/LinuxKernel/LinuxM3 this is the link about
>>> Linux kernel for Cortex M3. I don't know much about ARM but I think
>>> Cortex M3 and M4 is not much different.
>>
>> Something being ported to Cortex-M architecture is a big step but it does
>> not mean that it is ported to some hardware, being it  Kinetis, STM32, LPC,
>> etc. There's still some work (although not too much) such as basic hw
>> initialization, clocking, some serial driver, etc.
>>
>>
>>>
>>> http://www.cnx-software.com/2011/12/30/linux-for-cortex-m3-m4-microcontrollers/
>>> this link said that "EmCraft also sells Linux BSP (for 99 USD –
>>> software only) for STMicroelectronics STM32F2, NXP NXP LPC1788
>>> (Cortex M3) and Freescale Kinetis (Cortex M4) development boards.".
>>
>> This looks promising although information is incomplete, they don't mention
>> on what hardware to run uClinux for Kinetis and I guess TWR-K60N512 has too
>> little memory. Of course TWR-K70 has more than enough.
>>
>>
>>> So why uClinux can not port to Kinetis K70?
>> I haven't stated that. I merely asked for information on such port. Thanks
>> again for information.
>>
>> Ilija
>>
>>
>> On Tue, Jan 10, 2012 at 4:37 AM, Ilija Kocho<ilijak@siva.com.mk>  wrote:
>>>> On 07.01.2012 11:35, Linh Nguyá»
n wrote:
>>>>> Opps, my fail. "go" command occurs ^^!.
>>>>>
>>>>> About "exec" command. Does it require MMU to load Linux kernel?
>>>>> http://www.arm.com/community/software-enablement/linux.php?tab=uClinux
>>>>> this link said that uClinux&      u-boot can run with *NON MMU* ARM
>>>>>
>>>>> processors. Do you have any ways to run bootloader and Linux kernel
>>>>> (uClinux) on *NON MMU* ARM??? Thanks so much.
>>>> Not at the moment.
>>>> I wonder if uClinux has being ported to Kinetis? Any reference?
>>>>
>>>>
>>>> Ilija
>>>>
>>>>
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>>
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