[U-Boot] u-boot-imx on Freescale MX28EVK

[U-Boot] u-boot-imx on Freescale MX28EVK

[Matthias Fuchs]

Hi Fabio,

can you confirm that the current u-boot-imx tree runs fine
on the MX28EVK? I tried it but the debug console stays dead.

This is what I did:

1) make mx28evk
2) make u-boot.sb
3) ./tools/mxsboot sd u-boot.sb u-boot-sd.sb
4) prepare an SD card as described in doc/README.m28 (only one partition
of type 53)
5) dd u-boot-sd.sb to above partition
6) install SD and press power button

BTW: Did you ever try Freescales sd_loader to download u-boot
into RAM?

FYI: There also seems to be a Linux version of the USB loader
(http://svn.rockbox.org/viewvc.cgi/trunk/utils/imxtools/).

Best regards,
Matthias

[U-Boot] u-boot-imx on Freescale MX28EVK

[Fabio Estevam]

Hi Matthias,

On Wed, Jan 11, 2012 at 12:41 PM, Matthias Fuchs <matthias.fuchs@esd.eu> wrote:
> Hi Fabio,
>
> can you confirm that the current u-boot-imx tree runs fine
> on the MX28EVK? I tried it but the debug console stays dead.

Yes, it works fine.

> This is what I did:
>
> 1) make mx28evk

I think you meant  "mx28evk_config"

> 2) make u-boot.sb
> 3) ./tools/mxsboot sd u-boot.sb u-boot-sd.sb
> 4) prepare an SD card as described in doc/README.m28 (only one partition
> of type 53)
> 5) dd u-boot-sd.sb to above partition
> 6) install SD and press power button

On my board I don't have to press the power button in order to get the
console output.

Please check your MX28EVK settings:

- Boot Mode Select: 1 0 0 1

- JTAG PSWITCH RESET: To the left (reset enabled)

- Battery Source: Down

- Wall 5V: Up

- VDD 5V: To the left (off)

- Hold Button: Down (off)

Also, I have only tested this on a MX28EVK rev.D board.

>
> BTW: Did you ever try Freescales sd_loader to download u-boot
> into RAM?
>
> FYI: There also seems to be a Linux version of the USB loader
> (http://svn.rockbox.org/viewvc.cgi/trunk/utils/imxtools/).

I haven't tried this yet.

Regards,

Fabio Estevam

[U-Boot] u-boot-imx on Freescale MX28EVK

[Wolfgang Denk]

Dear Fabio,

In message <CAOMZO5C-dUk93S_zptECLKWH=Csod3ETGvcX5TxO5dhUSkU8yA@mail.gmail.com> you wrote:
> 
> On my board I don't have to press the power button in order to get the
> console output.
...
> Also, I have only tested this on a MX28EVK rev.D board.

Our Rev. A board also starts only after pressing the power button.

Best regards,

Wolfgang Denk

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[U-Boot] u-boot-imx on Freescale MX28EVK

[Fabio Estevam]

Hi Wolfgang,

On Wed, Jan 11, 2012 at 3:55 PM, Wolfgang Denk <wd@denx.de> wrote:
> Dear Fabio,
>
> In message <CAOMZO5C-dUk93S_zptECLKWH=Csod3ETGvcX5TxO5dhUSkU8yA@mail.gmail.com> you wrote:
>>
>> On my board I don't have to press the power button in order to get the
>> console output.
> ...
>> Also, I have only tested this on a MX28EVK rev.D board.
>
> Our Rev. A board also starts only after pressing the power button.

Does this patch help with this issue?
http://git.denx.de/?p=u-boot/u-boot-imx.git;a=commit;h=1b5f9c2bbef7f61d19feadb48bf9535268425858

Regards,

Fabio Estevam

[U-Boot] u-boot-imx on Freescale MX28EVK

[Matthias Fuchs]

Hi Fabio,

thanks for your details. Some of the discrete switches where messed up.
Boot Mode was fine. So now it's working fine.

Even the power button is not needed ;-)

I still have to investigate a little to get USB recovery working. This
does not work out of the box as with Freescale'S initial 2009.08 u-boot
for this CPU.

Matthias

On 11.01.2012 16:12, Fabio Estevam wrote:
> Hi Matthias,
> 
> On Wed, Jan 11, 2012 at 12:41 PM, Matthias Fuchs <matthias.fuchs@esd.eu> wrote:
>> Hi Fabio,
>>
>> can you confirm that the current u-boot-imx tree runs fine
>> on the MX28EVK? I tried it but the debug console stays dead.
> 
> Yes, it works fine.
> 
>> This is what I did:
>>
>> 1) make mx28evk
> 
> I think you meant  "mx28evk_config"
> 
>> 2) make u-boot.sb
>> 3) ./tools/mxsboot sd u-boot.sb u-boot-sd.sb
>> 4) prepare an SD card as described in doc/README.m28 (only one partition
>> of type 53)
>> 5) dd u-boot-sd.sb to above partition
>> 6) install SD and press power button
> 
> On my board I don't have to press the power button in order to get the
> console output.
> 
> Please check your MX28EVK settings:
> 
> - Boot Mode Select: 1 0 0 1
> 
> - JTAG PSWITCH RESET: To the left (reset enabled)
> 
> - Battery Source: Down
> 
> - Wall 5V: Up
> 
> - VDD 5V: To the left (off)
> 
> - Hold Button: Down (off)
> 
> Also, I have only tested this on a MX28EVK rev.D board.
> 
>>
>> BTW: Did you ever try Freescales sd_loader to download u-boot
>> into RAM?
>>
>> FYI: There also seems to be a Linux version of the USB loader
>> (http://svn.rockbox.org/viewvc.cgi/trunk/utils/imxtools/).
> 
> I haven't tried this yet.
> 
> Regards,
> 
> Fabio Estevam
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
> 

[U-Boot] u-boot-imx on Freescale MX28EVK

[Fabio Estevam]

Hi Matthias,

On Thu, Jan 12, 2012 at 8:07 AM, Matthias Fuchs <matthias.fuchs@esd.eu> wrote:
> Hi Fabio,
>
> thanks for your details. Some of the discrete switches where messed up.
> Boot Mode was fine. So now it's working fine.
>
> Even the power button is not needed ;-)

I am glad to know it is working now.

I will create a README file with these jumper settings.

Also, can you please let me know what is your board version? Is it
also mx28evk revD?

> I still have to investigate a little to get USB recovery working. This
> does not work out of the box as with Freescale'S initial 2009.08 u-boot
> for this CPU.

Ok, good. m28evk has USB support as far as I know, so maybe you can
look at it for reference.

Regards,

Fabio Estevam

[U-Boot] u-boot-imx on Freescale MX28EVK

[Matthias Fuchs]

On 12.01.2012 11:15, Fabio Estevam wrote:
> Hi Matthias,
> 
> On Thu, Jan 12, 2012 at 8:07 AM, Matthias Fuchs <matthias.fuchs@esd.eu> wrote:
>> Hi Fabio,
>>
>> thanks for your details. Some of the discrete switches where messed up.
>> Boot Mode was fine. So now it's working fine.
>>
>> Even the power button is not needed ;-)
> 
> I am glad to know it is working now.
> 
> I will create a README file with these jumper settings.
> 
> Also, can you please let me know what is your board version? Is it
> also mx28evk revD?
Yes, revD.

> 
>> I still have to investigate a little to get USB recovery working. This
>> does not work out of the box as with Freescale'S initial 2009.08 u-boot
>> for this CPU.
> 
> Ok, good. m28evk has USB support as far as I know, so maybe you can
> look at it for reference.
You did not really understand what I mean. I am not talking about using
the USBs host/device from u-boot. The i.MX28 is capable to boot via USB.
In this case the SOC's ROM implementes a HID device and you can use
some tools on your PC (see previous posting) to download the code (boot
jumper setting 0-0-0-0. I tried it with Freescale's sb_loader (Wind**s).
This works fine when downloading a u-boot (imx28_ivt_uboot.sb) based on
Freescale's 2009.08 source + imx-bootlets-src-10.12.01. But it does not
work when using sb_loader with u-boot.sb build from the u-boot-imx repo.

I can can imagine that the SPL code somehow breaks the internal download
code.

Matthias
> 
> Regards,
> 
> Fabio Estevam
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
> 

[U-Boot] u-boot-imx on Freescale MX28EVK

[Robert Deliën]

Hi Matthias,

I have a fully functional U-Boot for the mx28evk board:
- Both Ethernet ports work
- Both MMC slots work
- NAND works (if configure in, one MMC slot will be configured out, due to shared pins)
- USB works
- I2C works
- Currently working on SPI

It's basically an integration of u-boot-imx and Marek's work on m28evk_config in the
mainline. I'm still working on making a posting-quality patch, but I'll be happy to help
you out with a patch or a tar-ball, so feel free to drop me an email.

Freescale's 2009.08 works too, but their script to get it on an sd-card is broken. I can
get you a replacement for that one as well, but you'd better step up to a more recent
version, because the MMC driver in the FreeScale version has a nasty bug in the
MMC driver. This bug prevents you from loading files from a file system on an SD-Card.

Robert.

[U-Boot] u-boot-imx on Freescale MX28EVK

[Matthias Fuchs]

Hi Robert,

I a patch would be welcome. I only need USB and SPI flash for my
application. And USB was easy to setup. Currently I am also jiggling
around the SPI / SPI flash support.

I only mentioned the 2009.08 u-boot for reference in my initial posting.
There was no plan to stay with it - of course :-)

But there is still the difference that I can download 2009.08 +
imx-bootlets via USB (sb_loader). This does not work with the recent
u-boot-imx repo and the generated u-boot.sb target.

Matthias

On 12.01.2012 22:52, Robert Deli?n wrote:
> Hi Matthias,
> 
> I have a fully functional U-Boot for the mx28evk board:
> - Both Ethernet ports work
> - Both MMC slots work
> - NAND works (if configure in, one MMC slot will be configured out, due to shared pins)
> - USB works
> - I2C works
> - Currently working on SPI
> 
> It's basically an integration of u-boot-imx and Marek's work on m28evk_config in the
> mainline. I'm still working on making a posting-quality patch, but I'll be happy to help
> you out with a patch or a tar-ball, so feel free to drop me an email.
> 
> Freescale's 2009.08 works too, but their script to get it on an sd-card is broken. I can
> get you a replacement for that one as well, but you'd better step up to a more recent
> version, because the MMC driver in the FreeScale version has a nasty bug in the
> MMC driver. This bug prevents you from loading files from a file system on an SD-Card.
> 
> Robert.
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
> 


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[U-Boot] u-boot-imx on Freescale MX28EVK

[Robert Deliën]

Hi Matthias,

> I a patch would be welcome. I only need USB and SPI flash for my
> application. And USB was easy to setup. Currently I am also jiggling
> around the SPI / SPI flash support.

For USB, all you need to do is to configure it in and to copy Marek's clock
setup in board_early_init_f for m28evk_config into your own config. Make
sure you change SSP2 into SSP1, because the m28evk module uses a
different SSP2 for it's second MMC controller, whereas the FreeScale
mx28evk board uses SSP1.

To store your environment in MMC, you still need to patch
board/freescale/common/sdhc_boot.c to make sure it's stored at the correct
offset. You can find this patch on this mailing list. Without it, saving your
environment will overwrite the MBR/ptable and you board won't boot next time.

> But there is still the difference that I can download 2009.08 +
> imx-bootlets via USB (sb_loader). This does not work with the recent
> u-boot-imx repo and the generated u-boot.sb target.

I don't know why that doesn't work, but I don't have any experience there.
Early this year I rewrote the broken FreeScale scripts to create boot streams,
so I know a little about the way it works, but I no longer use those since the
U-Boot tools do such a good job. You can have the scripts though.

Cheers,

        Robert.

[U-Boot] u-boot-imx on Freescale MX28EVK

[Matthias Fuchs]

Robert,

On 13.01.2012 11:33, Robert Deli?n wrote:
> Hi Matthias,
> 
>> I a patch would be welcome. I only need USB and SPI flash for my
>> application. And USB was easy to setup. Currently I am also jiggling
>> around the SPI / SPI flash support.
> 
> For USB, all you need to do is to configure it in and to copy Marek's clock
> setup in board_early_init_f for m28evk_config into your own config. Make
> sure you change SSP2 into SSP1, because the m28evk module uses a
> different SSP2 for it's second MMC controller, whereas the FreeScale
> mx28evk board uses SSP1.
> 
> To store your environment in MMC, you still need to patch
> board/freescale/common/sdhc_boot.c to make sure it's stored at the correct
> offset. You can find this patch on this mailing list. Without it, saving your
> environment will overwrite the MBR/ptable and you board won't boot next time.
yes, this was all easy to integrate.
> 
>> But there is still the difference that I can download 2009.08 +
>> imx-bootlets via USB (sb_loader). This does not work with the recent
>> u-boot-imx repo and the generated u-boot.sb target.
> 
> I don't know why that doesn't work, but I don't have any experience there.
> Early this year I rewrote the broken FreeScale scripts to create boot streams,
> so I know a little about the way it works, but I no longer use those since the
> U-Boot tools do such a good job. You can have the scripts though.
thanks, but the USB download and booting from an SPI flash I expect the
u-boot.sb as generated by the u-boot build system should work fine.
MMC/SD does not bring me any further :-(

Matthias