I'm trying to follow the directions on the linux4sam site to compile u-boot for a sam9x25-ek board ( linux4sam/bin/view/Linux4SAM/SAM9x5Page#Building_U_Boot ). When I compile, it gives the error: "AT91_ASM_MATRIX_CSA0 is not definied for current CPU". I looked into it, and it's defined in at91_matrix.h for several other CPUs, but not for 9x25. I also looked at the Atmel U-boot custodian tree at http://git.denx.de/?p=u-boot/u-boot-atmel.git;a=summary. It also doesn't have a definition for 9x25.
Am I doing something wrong? I've looked into what includes at91_matrix.h, and that's at91/lowlevel_init.S, which is called by arm926ejs/start.S, so it's pretty baked in there; it's not some config option to turn off.
Discussions about all user software around SAM Series.
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