[ECOS]Redboot for FSL TWRK70F120M with Linux kernel booting

Linh Nguyễn nvl1109@gmail.com
Fri Mar 16 17:25:00 GMT 2012

On Fri, Mar 16, 2012 at 6:08 PM, Ilija Kocho <ilijak@siva.com.mk> wrote:
> On 15.03.2012 18:01, Linh Nguyễn wrote:
>> Hi Ilija & all,
>> On Thu, Mar 15, 2012 at 10:56 PM, Ilija Kocho <ilijak@siva.com.mk> wrote:
>>> Hi Linh
>>> Thank you for the files. Now it works (I had errors in MCG structure).
>>> On 15.03.2012 05:04, Linh Nguyễn wrote:
>>>> On Wed, Mar 14, 2012 at 4:27 PM, Ilija Kocho <ilijak@siva.com.mk> wrote:
>>>>> I think you don't need to add dram region but simply declare dram as
>>>>> main ram.
>>>>> I think it will be easiest for you if you use TWR-K60N512-FXM target as
>>>>> example. (added recently so you may need to update/checkout eCos). It is
>>>>> very similar to what you probably need - only with FlexBus external
>>>>> memory instead of DDR. Probably in addition to initialization code you
>>>>> only need to change base address and size of RAM and it should work.
>>>>> I hope this helps. Looking forward to your feedback.
>>>> Hi Ilija and all,
>>>> I have replace DRAM as main RAM as your K60 fxm and it is OK
>>>> currently. But I have another problem about ether net :).
>>>> With the same situation, when I use internal RAM the ethernet can get
>>>> BOOTP with DHCP ip immediately with booting, but when I use DRAM as
>>>> main RAM the board can't get BOOTP information, it said "networking is
>>>> not available". Do you know where is the reason? Thanks so much.
>>> On my Tower RedBoot works with Ethernet and DDR that would exclude
>>> hardware incompatibility. I would suggest you to try if you have
>>> forgotten to add Common Ethernet Support.
>>> If yes, then please describe your current software configuration of eCos
>>> and FS modules.
>> In my situation, Common Ethernet Support added, and ethernet work well
>> when I use internal ram as main ram. But when I use external dram as
>> main ram, ethernet does not work :).
>> Although my eCos work with K70 but it does not work with other boards
> So Ethernet works with DDRAM with eCos but not with RedBoot?
No, ethernet works with internal ram as main ram, and does not work
with dram as main ram.
>> & many hard-code for K70 only :). On the other hand, my main purpose
>> when using Redboot for K70 is booting Linux kernel for it.
> Have you tried the Linux on K70?
I can't try because I didn't have bootloader yet. I'm trying to make
redboot can load linux kernel for K70.
>> So if you
>> have done Redboot for K70 and it works well, please share it soon ^^!
>> I think it better than mine.
> I would like it to happen asap but I'm afraid it will take a while, as
> there are several features to add.
Can you share me your currently package for K70. I just need ethernet
& dram to try loading linux kernel:(.
> Ilija

Thanks & Regards,
Linh Nguyen

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