[U-Boot-Users] Spartan FPGA patch

[Aggelos Manousarides <amanous@inaccessnetworks.com>]

The following patch fixes a bug in the slave serial programming mode for 
the xilinx spartan2 FPGA. A "char val" is declared, but it is used as a 
signed char. The check for negative value (<0) is always true on arm, or 
any other platform in which the char is not signed by default. As a 
result the FPGA cannot be programmed.

By the way, I have tested this code and it works fine, apart from this 
error. I am using it in ARM platforms in both slave parallel and slave 
serial modes. I am this because I don't see any other platforms using it.

This is a patch against 1.2.0, but I saw that the same code exists in 
1.3.0-rc3 as well.

--
Angelos Manousarides

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