转发: Re: Linux booting problem on Xilinx ppc

["keng_629" <keng_629@126.com>]

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On  10/17/07,  aauer1   <aauer1@gmx.at >  wrote:
>
>
>  Grant  Likely-2  wrote:
>   >
>   >  On  10/17/07,  aauer1   <aauer1@gmx.at >  wrote:
>   > >  Now,  I  know  that  the  kernel  boots  but  I  don't  get  an  output  with  my
>   > >  Xilinx
>   > >  UartLite  module.  Are  there  some  kernel  modules  which  must  be  activated??
>   > >  Btw.  I  have  used  the  Linux-2.6-virtex  kernel  from
>   > >  http://git.secretlab.ca/git/  and  another  Kernel  (2.6.23  from  kernel.org)
>   > >  -
>   > >  both  with  the  same  result.
>   >
>   >  Post  the  output  of  __log_buf  here  please.
>   >
>   >
>
>  Here  is  my  dump  of  the  __log_buf:
>  ======================
>   <5 >[        0.000000]  Linux  version  2.6.23-rc2
>  (aauer@servitus.student.iaik.tugraz.at)  (gcc  version  4.0.0  (DENX  ELDK  4.1
>  4.0
>  .0))  #8  Wed  Oct  17  20:05:28  CEST  2007
>   <6 >[        0.000000]  Xilinx  ML403  Reference  System  (Virtex-4  FX)
>   <7 >[        0.000000]  Entering  add_active_range(0,  0,  16384)  0  entries  of  256
>  used
>   <4 >[        0.000000]  Zone  PFN  ranges:
>   <4 >[        0.000000]      DMA                          0  - >        16384
>   <4 >[        0.000000]      Normal            16384  - >        16384
>   <4 >[        0.000000]  Movable  zone  start  PFN  for  each  node
>   <4 >[        0.000000]  early_node_map[1]  active  PFN  ranges
>   <4 >[        0.000000]          0:                0  - >        16384
>   <7 >[        0.000000]  On  node  0  totalpages:  16384
>   <7 >[        0.000000]      DMA  zone:  128  pages  used  for  memmap
>   <7 >[        0.000000]      DMA  zone:  0  pages  reserved
>   <7 >[        0.000000]      DMA  zone:  16256  pages,  LIFO  batch:3
>   <7 >[        0.000000]      Normal  zone:  0  pages  used  for  memmap
>   <7 >[        0.000000]      Movable  zone:  0  pages  used  for  memmap
>   <4 >[        0.000000]  Built  1  zonelists  in  Zone  order.    Total  pages:  16256
>   <5 >[        0.000000]  Kernel  command  line:  console=ttUL0  root=/dev/xsysace2  rw

try the command line bootargs console=ttyUL0,boardrate root=/dev/xsysace2 rw 
you must make sure that you have the xsysace2 device, or you can take a test using ramdisk.i think it will run well

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