[U-Boot-Users] Regarding the U-boot and Linux porting on the Xilinx xupv2pro board.

[Shantanu Nalage]

Hi all,
I am presently working with the Linux porting on Xilinx xupv2pro project.
This board is very much similar to the xilinx ml300 board except some
changes as
1) No. of UARTs supported 1
2) PCI bus not supported, so the xilinx tool generated header file has
parameter XPAR_PCI_FREQ set to 0
3) System Compact Flash of 256 MB
4) DDR SDRAM of 256 MB
As an initial start we have downloaded the u-boot-1.1.1 source code that
comes along with the xapp542.zip folder from xilinx folder.
We also followed all the steps required to introduce the board specific
options in the source code. But when we compiled the u-boot, it gave us
error that "redefinition of get_sys_info in xupv2pro.c(i.e. our board
specific file); first defined in cpu/ppc4xx/". So we commented the function
"get_sys_info" in the file "xupv2pro.c". The compiled u-boot.elf file was
then downloaded in the compact flash in the .ace format. A compiled linux
kernel u-boot compatible image was also stored on the compact flash. But the
booting of the kernel process would suddenly hang after uncompressing the
image. The output was obtained on the serial console and it would typically
look like:
Image Name : Linux Kernel Image
Image Type : PowerPC Linux Kernel Image (gzip compressed)
Data Size : 678 KB
Load Address: 00000000
Entry Point : 00000000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
After this point the system would simply hang not giving any output as well
as not responding to any keystrokes. What could be the reason?
The board description file xupv2pro.c is exactly identical to the
ml300.cfile. The kernel source used was "Montavista Previewkit kernel
source code".

With regards,
Shantanu.
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