not so much in U-Boot, but
for now I need whichever one I can get to work faster.
Mikhail Zaturenskiy
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>> I was wondering, is it possible to have U-Boot access a USB flash
>> drive (or use any other USB device ...) on a board using an MPC875?
>> If it is, could somebody point me in the right direction as to how to do
>> this?
>
> Assuming you put a working USB controller on your board, that should
Hi everyone,
I was wondering, is it possible to have U-Boot access a USB flash
drive (or use any other USB device ...) on a board using an MPC875?
If it is, could somebody point me in the right direction as to how to do this?
Thanks,
Mikhail Zaturenskiy
is than board_early_init_f, but
it worked for me, and defining/undefining the CONFIG_USE_CLK2 flag
allows me to easily switch between BRGCLK and CLK2 as input clock to
my BRG1 and BRG4 if I ever decide to do so.
Hope somebody finds this useful.
Mikhail Zaturenskiy
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is is hard-coded
> in the "serial.c" file to use BRG1 for everything and I think to use
> BRGCLK as the BRG clock source ("serial_setdivisor" function).
>
> My board is similar to the EP88xc by the way.
>
> Thanks,
> Mikhail Zaturenskiy
>
I decided to firs
"serial.c" file to use BRG1 for everything and I think to use
BRGCLK as the BRG clock source ("serial_setdivisor" function).
My board is similar to the EP88xc by the way.
Thanks,
Mikhail Zaturenskiy
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ly more
efficient read/write section values than what we came up with, for
those interested here is the link
http://download.micron.com/pdf/technotes/TN4812.pdf . Now RAM burst
reads/writes are finally working properly :)
Mikhail Zaturenskiy
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ize;
> }
>
> Also attached is a spreadsheet which illustrates the RAM timing.
>
> Is there something wrong with my RAM table? Am I missing any flags?
> Something else wrong?
>
> Any ideas/suggestions are appreciated. Again, sorry for the first
> poorly-formatted post.
>
> Thank you,
> Mikhail Zaturenskiy
>
Anyone?
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> Got it... thanks to
> "http://www.mail-archive.com/u-boot-us...@lists.sourceforge.net/msg05111.html";.
> I added the following to the very end of
> "u-boot-2009.03/board/ep88x/ep88x.c":
>
> #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
> void ft_board_setup(void *blob, bd_t *bd)
>> If you have CONFIG_OF_BOARD_SETUP defined (if you don't that probably is the
>> answer to your missing #define question), you can run
>> fdt boardsetup
>> and then
>> fdt print /
>> to see what the fixed up tree looks like.
> No I do not have this defined, when I include it I cannot compile
>
> The board fixup is a board-specific thing. Are you doing that in your board
> configuration?
Didn't realize it was board-specific.
> If you have CONFIG_OF_BOARD_SETUP defined (if you don't that probably is the
> answer to your missing #define question), you can run
> fdt boardsetup
> and then
Is it possible to look at a post-fixup device tree in u-boot? It looks
like u-boot is not updating my dts with the values for my RAM, cpu
frequency, etc. before loading the kernel.
Is there any obvious reason for this? Am I missing a #define of some sort?
__
0221f80] [c01a4484] pte_alloc_one_kernel+0x
Looks like it IS time to change the mailing list to linuxppc-dev :)
Mikhail Zaturenskiy
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> If this all fails and as you are way past U-Boot, change the mailing
> list to linuxppc-dev :)
Is this really "way past U-Boot"? I was under the impression that my
issue is at the hand-off point from U-Boot to the kernel and that the
kernel wasn't doing anything yet. Am I wrong?
___
m ... OK
## Flattened Device Tree blob at 0075
Booting using the fdt blob at 0x75
Uncompressing Kernel Image ... OK
Loading Ramdisk to 03daa000, end 03f6cb13 ... OK
Now the usual hang, any more suggestions for what to do next?
Thanks a lot!
Mikhail Zaturenskiy
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Hi Rahanesh,
Rahanesh wrote:
> Hello Mikhail Zaturenskiy,
>
> I am also trying to load Linux from uboot. When i try to boot Linux
> from uboot it stops at Verifying Checksum and stops there. What might be
> the reasson for this?
>
> This is my output.
>
> U-Boot
xppc-embedded/2007-August/027742.html";
but they don't follow up on the solutions so I don't know if those
issues have been resolved.
Any suggestions are appreciated. Thanks!
Mikhail Zaturenskiy
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> When I use objdump to deassemble the object file, it seems
> that "timer" is at 40108. Try "go 0x40108" and read the FAQ[1] ;)
>
> Cheers
> Detlev
>
> [1] http://www.denx.de/wiki/view/DULG/MyStandaloneProgramDoesNotWork
>
>
"go 0x40108" did it, thanks! And thanks for the FAQ reference, kn
Hello,
I am using ELDK 4.2 and U-Boot 2009.03 on an EP88xC rev1.1 board
(MPC885 cpu) and am trying to get the example apps working (the ones
that come with U-Boot) following instructions on
"http://www.denx.de/wiki/view/DULG/UBootStandalone#Section_5.12.2.";.
"examples/hello_world.bin" worked fin
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