[microblaze-uclinux] EDK 10.1 and Spartan3E1600

[Jean Richard <jean@xxxxxxxxx>]

I'm working on a custom board that is similiar to the Spartan3E1600 and 
has a pinout which is identical in terms of the DDR connections.  We 
were previously using EDK8.2 to develop our image and things were all 
working properly.   I've recently had to upgrade to 10.1 and now I'm 
running into problems.  I can successfully build my FPGA config, and a 
petalinux u-boot and linux image.  However, when I get to the step where 
I "cat /tftpboot/u-boot.srec > /dev/ttyS0", the image uploads and loads 
into RAM but after downloading, it fails to run with no error.

I can connect to the JTAG via xmd and I can write and readback values to 
 the DDR, so I know that the RAM is connected and working properly, 
however, when I read the block of memory where the u-boot.srec loads 
into, the contents don't match a hexdump of the u-boot binary, and a 
disassemble of the contents shows every word written 4 times in a row.

I do note that my memory map is changed after building with 10.1, but 
u-boot does load into an upper section of the memory, similiar to how it 
did before.  Could this be the problem?

Is there anything I need to do differently to get petalinux running on a 
10.1 design?  Anyone have ideas as to what my problems may be?

--
Jean Richard
Embedded Software Developper
thinkRF

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