[U-Boot] [PATCH 3/4] MX51: Add video support

Wolfgang Denk wd at denx.de
Tue Oct 12 13:34:09 CEST 2010


Dear Stefano Babic,

In message <1286875504-9058-4-git-send-email-sbabic at denx.de> you wrote:
> Add framebuffer driver for the MX51 processor
> working on the IPUv3 internal graphic processor.

Please add reference to original sources.


> +/*
> + * Allocates the DRAM memory for the frame buffer.      This buffer is remapped
> + * into a non-cached, non-buffered, memory region to allow palette and pixel
> + * writes to occur without flushing the cache.  Once this area is remapped,
> + * all virtual memory access to the video memory should occur at the new region.

Is this comment still valid for the U-Boot port?  

Does it work with both "dcache on" and "dcache off" settings?


Best regards,

Wolfgang Denk

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