Re: U-Boot improvements? (Was: Qi - why only 3 partitions on SD card?)

2009-09-25 Thread Jose Luis Perez Diez
El Friday, 25 de September de 2009 06:37:19 Dr. H. Nikolaus Schaller va 
escriure:
 Am 24.09.2009 um 22:44 schrieb Rask Ingemann Lambertsen:
 
I tried to merge the two trees a couple of months ago, but the
  NAND flash
  code has changed so much that merging in the 2442 support requires
  knowledge
  of how the NAND flash interface works. I don't have that knowledge.

 Is this code somewhere available?
 I personally don't have the experience for the 2442 you mention, but
 others could be interested as well.

http://git.openmoko.org/?p=u-boot.git;a=summary

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Re: U-Boot improvements? (Was: Qi - why only 3 partitions on SD card?)

2009-09-25 Thread Dr. H. Nikolaus Schaller

Am 25.09.2009 um 08:46 schrieb Jose Luis Perez Diez:

 El Friday, 25 de September de 2009 06:37:19 Dr. H. Nikolaus Schaller  
 va
 escriure:
 Am 24.09.2009 um 22:44 schrieb Rask Ingemann Lambertsen:

  I tried to merge the two trees a couple of months ago, but the
 NAND flash
 code has changed so much that merging in the 2442 support requires
 knowledge
 of how the NAND flash interface works. I don't have that knowledge.

 Is this code somewhere available?
 I personally don't have the experience for the 2442 you mention, but
 others could be interested as well.

 http://git.openmoko.org/?p=u-boot.git;a=summary

Is there the merged tree Rask did mention?
As far as I can see it is the OM fork and miles away from the 2009.08  
u-boot.

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U-Boot improvements? (Was: Qi - why only 3 partitions on SD card?)

2009-09-24 Thread Rask Ingemann Lambertsen
On Thu, Sep 24, 2009 at 04:18:30PM +0200, Torfinn Ingolfsen wrote:
 On Thu, Sep 24, 2009 at 4:02 PM, Rask Ingemann Lambertsen 
 ccc94...@vip.cybercity.dk wrote:
 
  On Tue, Sep 22, 2009 at 11:11:04PM +, Niels Heyvaert wrote:
 
   The idea of having a simple GUI boot loader could be very useful...
 
 We have one. It's called U-Boot. Or am I missing something?
 
 Apart for a fact that it has problem loading kernels over a certain size?

   Not as such, but it does lack kernel size detection when reading from
NAND flash. The config shipped by OM limits NAND flash kernels to 2 MB. Does
anybody actually (want to) ship kernels larger than that? Andy-tracking's
packaging config comes out to around 1.7 MB. NAND flash kernel size
detection wouldn't be all that difficult to add, though. Around 10-20 lines
of code.

 Or that it requires the kernel on a separate partition (which must be
 fat?)?

   It doesn't. I have the kernel on the Debian rootfs, which is ext2. I also
have an old SHR installation, also with the kernel on the ext2 rootfs.

 But this begs the question: could U-boot be improved to deal with the
 current requirements of the users?

   Probably. The first step is to list the requirements.

-- 
Rask Ingemann Lambertsen
Danish law requires addresses in e-mail to be logged and stored for a year

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Re: U-Boot improvements? (Was: Qi - why only 3 partitions on SD card?)

2009-09-24 Thread Dr. H. Nikolaus Schaller

Am 24.09.2009 um 19:36 schrieb Rask Ingemann Lambertsen:

 On Thu, Sep 24, 2009 at 04:18:30PM +0200, Torfinn Ingolfsen wrote:
 On Thu, Sep 24, 2009 at 4:02 PM, Rask Ingemann Lambertsen 
 ccc94...@vip.cybercity.dk wrote:

 On Tue, Sep 22, 2009 at 11:11:04PM +, Niels Heyvaert wrote:

 The idea of having a simple GUI boot loader could be very useful...

   We have one. It's called U-Boot. Or am I missing something?

No, except that it is not really u-boot but a 2 years old fork that  
is now no longer maintained.

u-boot 2009.08 has improved many things that could be nice to have on  
a GTA02 as well.


 Apart for a fact that it has problem loading kernels over a certain  
 size?

   Not as such, but it does lack kernel size detection when reading  
 from
 NAND flash. The config shipped by OM limits NAND flash kernels to 2  
 MB. Does
 anybody actually (want to) ship kernels larger than that? Andy- 
 tracking's
 packaging config comes out to around 1.7 MB. NAND flash kernel size
 detection wouldn't be all that difficult to add, though. Around  
 10-20 lines
 of code.

 Or that it requires the kernel on a separate partition (which must be
 fat?)?

   It doesn't. I have the kernel on the Debian rootfs, which is ext2.  
 I also
 have an old SHR installation, also with the kernel on the ext2 rootfs.

 But this begs the question: could U-boot be improved to deal with the
 current requirements of the users?

   Probably. The first step is to list the requirements.

 -- 
 Rask Ingemann Lambertsen
 Danish law requires addresses in e-mail to be logged and stored for  
 a year

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Re: U-Boot improvements? (Was: Qi - why only 3 partitions on SD card?)

2009-09-24 Thread Rask Ingemann Lambertsen
On Thu, Sep 24, 2009 at 08:08:53PM +0200, Dr. H. Nikolaus Schaller wrote:

 No, except that it is not really u-boot but a 2 years old fork that  
 is now no longer maintained.

   I tried to merge the two trees a couple of months ago, but the NAND flash
code has changed so much that merging in the 2442 support requires knowledge
of how the NAND flash interface works. I don't have that knowledge.

 u-boot 2009.08 has improved many things that could be nice to have on  
 a GTA02 as well.

   You say many things but don't mention even one thing.

-- 
Rask Ingemann Lambertsen
Danish law requires addresses in e-mail to be logged and stored for a year

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Re: U-Boot improvements? (Was: Qi - why only 3 partitions on SD card?)

2009-09-24 Thread Dr. H. Nikolaus Schaller

Am 24.09.2009 um 22:44 schrieb Rask Ingemann Lambertsen:

 On Thu, Sep 24, 2009 at 08:08:53PM +0200, Dr. H. Nikolaus Schaller  
 wrote:

 No, except that it is not really u-boot but a 2 years old fork that
 is now no longer maintained.

   I tried to merge the two trees a couple of months ago, but the  
 NAND flash
 code has changed so much that merging in the 2442 support requires  
 knowledge
 of how the NAND flash interface works. I don't have that knowledge.

Is this code somewhere available?
I personally don't have the experience for the 2442 you mention, but  
others could be interested as well.


 u-boot 2009.08 has improved many things that could be nice to have on
 a GTA02 as well.

   You say many things but don't mention even one thing.


 -- 
 Rask Ingemann Lambertsen
 Danish law requires addresses in e-mail to be logged and stored for  
 a year

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