SystemAce and mb-uClinux (was RE: [microblaze-uclinux] Problems with networking)

["Hansen Eric" <hansen@shf-communication.de>]

Hello fellow developers,

Peter thanks for for your hint. I would not have checked that.
Nevertheless the soures from penguinppc already had
XSA_ADDR_ALIGN 1 set, so everything should be ok.
By now I have modified the Makefiles and Config.in.
I did some little changes in adapter.c. Linux is now
booting with the SystemAce driver enabled.

After some fiddling around with kernel configurations,
I finally made up a kernel which seems to work ok.

Afterwards I had to find a way to mount the CompactFlash.
As I understood from the uClinux distribution I have to
generate the device files. I did so by adding 
a couple of entries like xsysacea,b,254,0 ...
to the vendors/Insight/XC../Makefile. This
generates the devices in the romfs.
Is this the right way to generate the devices?
Do I have to take care about anything else?
(Btw. I have got the major number the sysace from 
/proc/devices)

My bootlog shows something like:
<snip>
  Partition check:
   xsysacea: xsysacea1
  System ACE at 0xCF000000 mapped to 0xCF000000, irq=4, 125440KB
</snip>

Unfortunatly I am still not able to mount the CFCard.
When trying to mount with -t msdos or -t vfat 
I receive the following message:

<snip>
FAT: bogus logical sector size 20487
VFS: Can't find a valid FAT filesystem on dev fe:00.
</snip>

The CFCard is formatted according the xilinx's SystemAce
manual with format [...] /a:2048. I am not quite shure whether 
this might cause problems? 
To be shure I formatted another CFCard with windows.
With this card I get an error stating that the JTAG Contoller 
can not read the configuration. XSA_ERR_CFG_READ. This
comes not suprising as I do not have a configuration
file on the CompactFlash card. Nevertheless it should
be posibble to use the card as block device or am
I wrong?

Thanks
Erik

-----Original Message-----
From: Peter Ryser [mailto:Peter.Ryser@xilinx.com] 
Sent: Wednesday, November 12, 2003 2:53 AM
To: microblaze-uclinux@itee.uq.edu.au
Subject: Re: [microblaze-uclinux] Problems with networking


Erik,

on System ACE CF please check that in xsysace_l.h you see
#define XSA_ADDR_ALIGN      1
and not
#define XSA_ADDR_ALIGN      4
when you use System ACE CF in an EDK design.

- Peter



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