Provide support for MIPS32 based mini notebooks like Letux400. ()

headers Ruben Viets | 3 Sep 2009 21:20 · /m/

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Hi Ruben,
great! Your success made me invest an hour to try myself...

Am 03.09.2009 um 21:20 schrieb Ruben Viets:

> - Found out to svn checkout the minibook-kernel files from the mips- 
> devel project in linuxtogo, very nice.

I  checked out the repos through

svn co svn://projects.linuxtogo.org/svn/minibook-kernel/linux-2.6.24.3

but that appears to be incomplete. And make simply says make: *** No  
rule to make target `zImage'.  Stop.

What am I missing?

BR,
Nikolaus

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--------
[mipsbook-devel-request@... writes:]

> I use the files from linux-2.6.24.3-minibook directory. 

> Copy the CONFIG_ARD to .config, fix the cross-compiler in the Makefile to mipsel-linux-gnu-
> (I use ubuntu hardy mipsel-linux-4.3 one)
> 
> make oldconfig or make xconfig to add modules yourself.
> 
> make modules 
> 
> make uImage

Thanks for all the great starting points!  Now you've got me motivated.
Do I understand that I have to build my own MIPS GCC tool chain?  Which
sources did you grab?  It looks like Ubuntu doesn't have a standard
package for this....

Andy

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Hi Ruben and all,
now I came much farther but still not to a kernel...

Firstly, it turned out that my build-system has a cache that tried to  
checkout to a case-insensitive file system (I am doing this on MacOS  
X) and therefore I did not get the complete sources (and missed the  
error message). After fixing this, fetching sources now works with the  
co command I had tried before. But you get in total three kernel  
source trees (there is also a vanilla kernel and the original  
jz-20080530 in the main SVN).

To get only the right one, I now just fetch the kernel by:

svn co svn://projects.linuxtogo.org/svn/minibook-kernel/linux-2.6.24.3- 
minibook

With this I got:

Checked out revision 33.

Then I did:

$ cd linux-2.6.24.3-minibook
$ export PATH=<path to toolchain>:$PATH
$ export TARGET=mipsel-debianetch-linux-gnu            (this is my  
toolchain - working well in user space but never tested for kernels)
$ cp CONFIG_ARD .config
$ make V=2 ARCH=mips CROSS_COMPILE=${TARGET}- zImage uImage

But I got:

scripts/kconfig/conf -s arch/mips/Kconfig
.config:1173:warning: trying to assign nonexistent symbol  
YAFFS_DISABLE_CHUNK_ERASED_CHECK
.config:1175:warning: trying to assign nonexistent symbol  
YAFFS_CHECKPOINT_RESERVED_BLOCKS
*
* Restart config...
*
*
* File systems
*
Second extended fs support (EXT2_FS) [Y/n/m/?] y
   Ext2 extended attributes (EXT2_FS_XATTR) [Y/n/?] y
     Ext2 POSIX Access Control Lists (EXT2_FS_POSIX_ACL) [N/y/?] n
     Ext2 Security Labels (EXT2_FS_SECURITY) [N/y/?] n
   Ext2 execute in place support (EXT2_FS_XIP) [N/y/?] n
Ext3 journalling file system support (EXT3_FS) [Y/n/m/?] y
   Ext3 extended attributes (EXT3_FS_XATTR) [Y/n/?] y
     Ext3 POSIX Access Control Lists (EXT3_FS_POSIX_ACL) [N/y/?] n
     Ext3 Security Labels (EXT3_FS_SECURITY) [N/y/?] n
Ext4dev/ext4 extended fs support development (EXPERIMENTAL)  
(EXT4DEV_FS) [N/m/y/?] n
Reiserfs support (REISERFS_FS) [N/m/y/?] n
JFS filesystem support (JFS_FS) [N/m/y/?] n
XFS filesystem support (XFS_FS) [N/m/y/?] n
GFS2 file system support (GFS2_FS) [N/m/y/?] n
OCFS2 file system support (OCFS2_FS) [N/m/y/?] n
Minix fs support (MINIX_FS) [Y/n/m/?] y
ROM file system support (ROMFS_FS) [N/m/y/?] n
Inotify file change notification support (INOTIFY) [Y/n/?] y
   Inotify support for userspace (INOTIFY_USER) [Y/n/?] y
Quota support (QUOTA) [N/y/?] n
Dnotify support (DNOTIFY) [Y/n/?] y
Kernel automounter support (AUTOFS_FS) [N/m/y/?] n
Kernel automounter version 4 support (also supports v3) (AUTOFS4_FS)  
[N/m/y/?] n
Filesystem in Userspace support (FUSE_FS) [N/m/y/?] n
YAFFS2 file system support (YAFFS_FS) [Y/n/m/?] y
   512 byte / page devices (YAFFS_YAFFS1) [Y/?] y
     Use older-style on-NAND data format with pageStatus byte  
(YAFFS_9BYTE_TAGS) [N/y/?] (NEW) aborted!

Console input/output is redirected. Run 'make oldconfig' to update  
configuration.

make[2]: *** [silentoldconfig] Error 1
make[1]: *** [silentoldconfig] Error 2
make[2]: *** No rule to make target `vmlinux', needed by `arch/mips/ 
boot/compressed/vmlinux.bin.gz'.  Stop.
make[1]: *** [zImage] Error 2
make: *** [zImage] Error 2

It looks as if the predefined configure script does not match the  
kernel code and has no YAFFS configure option.

Is there an updated CONFIGURE file? And any more hints?

BR,
Nikolaus

Am 04.09.2009 um 21:49 schrieb Ruben Viets:

> Hi Nikolaus,
>
> I use the files from linux-2.6.24.3-minibook directory.
> Copy the CONFIG_ARD to .config, fix the cross-compiler in the  
> Makefile to mipsel-linux-gnu- (I use ubuntu hardy mipsel-linux-4.3  
> one)

> make oldconfig or make xconfig to add modules yourself.
> make modules
> make uImage
>
> Grt Ruben.
>
> > From: hns@...
> > To: mipsbook-devel@...
> > Date: Fri, 4 Sep 2009 12:31:11 +0200
> > Subject: Re: [Mipsbook-devel] lenny and mipsandroid with softfloat  
> kernel 2.6 uImage
> >
> > Hi Ruben,
> > great! Your success made me invest an hour to try myself...
> >
> > Am 03.09.2009 um 21:20 schrieb Ruben Viets:
> >
> > > - Found out to svn checkout the minibook-kernel files from the  
> mips-
> > > devel project in linuxtogo, very nice.
> >
> > I checked out the repos through
> >
> > svn co svn://projects.linuxtogo.org/svn/minibook-kernel/ 
> linux-2.6.24.3
> >
> > but that appears to be incomplete. And make simply says make: *** No
> > rule to make target `zImage'. Stop.
> >
> > What am I missing?
> >
> > BR,
> > Nikolaus
> >
> > _______________________________________________
> > Mipsbook-devel mailing list
> > Mipsbook-devel@...
> > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/mipsbook-devel
>
> What can you do with the new Windows Live? Find out  
> _______________________________________________
> Mipsbook-devel mailing list
> Mipsbook-devel@...
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Something to remember to change in future...

Am 05.09.2009 um 21:56 schrieb Dr. H. Nikolaus Schaller:

> $ cp CONFIG_ARD .config

I just found out that it would be good practice to store this default  
config file in

	arch/mips/configs/minibook_defconfig

BR,
Nikolaus

On Fri, 4 Sep 2009 19:49:28 +0000
Ruben Viets <r_viets@...> wrote:

> 
> Hi Nikolaus,
> 
>  
> 
> I use the files from linux-2.6.24.3-minibook directory. 
> 
> Copy the CONFIG_ARD to .config, fix the cross-compiler in the
> Makefile to mipsel-linux-gnu- (I use ubuntu hardy mipsel-linux-4.3
> one)
> 
> make oldconfig or make xconfig to add modules yourself.
> 
> make modules 
> 
> make uImage

I did so using the mipseltools-gcc412-glibc261 provided by Ingenic, I
get a uImage, but when I flash it to my mipsbook, there is only Tux in
the upper right corner and Caps Lock LED on - seems to be stuck there.
rootfs is Debian etch.

regards
benjamin

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Hello,

Previously I wrote that the source for my kernel, Iris, would be put on
savannah.nongnu.org.  However, they still haven't responded to my
request.  Furthermore, I decided to target not only the Trendtac, but
also the NanoNote.  That made it logical to host the sources on the
server of the makers of that device, http://www.qi-hardware.com.

The sources can be found under the projects link from the menu bar at
the top.  Under the report directory there is a full explanation for how
to build them, including how to set up a cross-compiler.  I tried to
make it all as simple as possible, but suggestions for improvement are
very welcome.[0]

The current sources build an uimage which can run on the Trendtac.
Porting to the NanoNote will be done when I receive that device.  It has
a working lcd framebuffer driver, leds, keyboard and touchpad buttons.
The current system sets up the drivers and waits for events.  Key
presses are signaled by sending a character to the screen; touchpad
button events by changing the leds.  In other words, it demonstrates
that the device drivers are working.

I defined several interfaces for device types.  Any program can provide
such an interface, and behave as such a device.

Next steps are to make the current drivers follow the interfaces (as
far as they don't yet), to make more drivers, in particular something
with a filesystem, and to allow the user to start programs.

Comments (and help) are much appreciated.

Thanks,
Bas

[0] I realize that the build process would be much easier if I would
    package libshevek and pypp, which are build-dependencies.  However,
    I don't currently want to invest the time that would be required for
    making sure the packaging is done right (especially for libshevek).

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Re: lenny and mipsandroid with softfloat kernel 2.6 uImage

Re: lenny and mipsandroid with softfloat kernel 2.6 uImage

Re: lenny and mipsandroid with softfloat kernel 2.6 uImage

Re: lenny and mipsandroid with softfloat kernel 2.6 uImage

Re: Mipsbook-devel Digest, Vol 10, Issue 2

Re: Mipsbook-devel Digest, Vol 10, Issue 2

Re: lenny and mipsandroid with softfloat kernel 2.6 uImage

Re: lenny and mipsandroid with softfloat kernel 2.6 uImage

Re: lenny and mipsandroid with softfloat kernel 2.6 uImage

Iris source is online