or what
I'm doing differently...
Can somebody help me figure out what's missing?
Thanks,
Mikhail Zaturenskiy
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colors and I'm using
HyperTerminal which doesn't support them.
I hope somebody will find this useful.
Mikhail Zaturenskiy
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,
fs/ext2/Kconfig and init/Kconfig to get make ep88x_defconfig; make
uImage to create a properly configured image, but this really doesn't
feel right. What's the proper way to set up a defconfig?
Thanks,
Mikhail Zaturenskiy
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After doing this testing I have a side question:
If I modify just arch/powerpc/configs/ep88x_defconfig, not all changes
are reflected in the resulting .config when i do make
ep88x_defconfig; make uImage. I ended up having to modify
arch/powerpc/Kconfig, arch/powerpc/configs/ep88xc_defconfig,
On Mon, Jul 6, 2009 at 3:18 PM, Scott Woodscottw...@freescale.com wrote:
Try omitting the spaces around the equal sign.
AHA! Lesson learned :) thanks Scott! That did it.
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I haven't tried CONFIG_BLK_DEV or CONFIG_BLK_DEV_LOOP and am still
playing around with the values for CONFIG_BLK_DEV_RAM_COUNT and
CONFIG_BLK_DEV_RAM_SIZE. Strangely, the DEV_RAM defines are completely
missing from my config so I have to put them in manually... (as
opposed to via menuconfig).
Just as an intermediate update on the issue, I've made progress and it
hangs later down the line, see below:
Using Embedded Planet EP88xC machine description
Linux version 2.6.30-rc2-01402-gd4e2f68-dirty
Here is what's happening:
*
RAMDISK: gzip image found at block 0
VFS: Mounted root (ext2 filesystem) on device 1:0.
Freeing unused kernel memory: 112k init
4 minutes pass
init started: BusyBox v1.7.1 (2008-04-02
This is very interesting. I recently experienced a similar problem when
upgrading from 2.6.26-rc6 to 2.6.31-rc1 (torvalds mainline kernel).
I didn't had the time to figure out what was happening, so I went back to
2.6.26-rc6. Just for the test, could you try to go back to 2.6.26 and see if
Frank! That worked like a charm! I downloaded linux-2.6.26 source from
git.kernel.org, inserted the config options previously mentioned,
compiled ok, keeping U-Boot ramdisk and my DTS same it booted right up
and no more slow motion issue.
If you have time, could you bisect to see when the
As for my device tree, I reverted back to the original version with
nothing filled in and just replaced 0xfa20 with 0xf000 as Gary
suggested earlier.
Would it be a problem to also dynamically fixup IMMR in the device tree
from U-Boot?
Cheers
Detlev
Hi Detlev, it would be nice but
Hi Mikhail,
Try setting CONFIG_EXT2_FS=y, then recompile your kernel and reboot.
Hi Frank, just tried that but still getting the same Unpacking
initramfs... failed! output
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I'll still try to figure out how to get u-boot to fill all this in.
Got it... thanks to
http://www.mail-archive.com/u-boot-us...@lists.sourceforge.net/msg05111.html;
I made sure that CONFIG_OF_LIBFDT and CONFIG_OF_BOARD_SETUP were both
present in u-boot-2009.03/include/configs/EP88x.h. Then
Check the clock-frequency of the CPM BRG node. If u-boot isn't setting the
memory, it's probably not setting this either.
I set the CPM BRG clock-frequency = 153609 (value obtained from
u-boot's 'brginfo' command), set my CPU clock-frequency =
1 (down from 13000) to match what
section to my DTS, but still no output.
Anyone have suggestions about this? Is something else messed up in my
DTS?
Thanks,
Mikhail Zaturenskiy
ep88xc.dts
Description: Binary data
EP88x.h
Description: Binary data
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Hi Gary
Did you try 'root=ttyCPM0,9600'?
Gave that a shot just now, doesn't seem to have changed anything other
than that it now says VFS: Cannot open root device ttyCMP0,9600 or
unknown-block(2,0). But thanks for the suggestion though.
What exactly was this supposed to do? I thought that the
Hi Scott,
s/root=/console=/
I'm not quite sure what you mean by this.
Alternatively, you can set /chosen/linux,stdout-path to poin to the serial
node you want to use for the console.
If you look at the bottom of ep88xc.dts that I attached with my
previous post, I added the following:
chosen {
Change root= to console=.
Thank you for clarifying.
I tried this but I get the following in my memory dump:
6Using Embedded Planet EP88xC ??achine description?
5Linux ver??ion 2.6.30-rc2-01402-gd4e2f68-d??rty
(dev...@localhost.localdoma??n) (gcc version 4.2.2) #1 Mon J??n 29
11:35:28 CDT 2009?
] pte_alloc_one_kernel+0x
I'm not quite sure where to go from here to get linux working. Anybody
have any suggestions?
Thank you,
Mikhail Zaturenskiy
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occurred to me, thank you for pointing it out.
Also, make sure u-boot is properly updating the memory size in the device
tree. Can you dump the post-fixup device tree in u-boot?
Not sure, but I'll try to find out if that's possible. It'd certainly
answer a lot of questions...
Thanks,
Mikhail
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