[PATCH v2] FB driver for Cirrus GD5446 graphic hardware.

Joel Sherrill joel.sherrill at OARcorp.com
Fri Sep 28 21:40:14 UTC 2012


I did the Makefile.am and configure.ac magic.
When you configure add USE_CIRRUS_GD5446=1
to the configure command line.

This should all be committed now. Please let me
know that this works for you and then we can
move on to the graphics toolkit.


On 09/27/2012 05:26 PM, Pavel Pisa wrote:
> From: Alexandru-Sever Horin<alex.sever.h at gmail.com>
> Subject: FB driver for Cirrus GD5446 graphic hardware.
> Implementation is tested to work on QEMU simulator only.
> QEMU offers this hardware by default for PC platform but
> it can be requested by "-vga cirrus" option for other PCI
> aware systems in development/next QEMU releases as well.
> Next sources have been used for driver implementation:
>    - RTEMS fb_vga.c - Rosimildo da Silva ( rdasilva at connecttel.com )
>    - Cirrus xf86 driver - used as VGA hardware setup documentation
>    - CL-GD5446 Technical Reference Manual, 1996, Second Edition
> fb_vga.c has to be replaced by fb_cirrus.c in
>    rtems/c/src/lib/libbsp/i386/pc386/Makefile.am
> to test the driver now. We expect to discus and include driver
> section mechanism after driver testing.
> Patch version 2:
>    - comments style updated according to Joel Sherrill review
>    - use static for variables and functions to compile without warnings
> Signed-off-by: Alexandru-Sever Horin<alex.sever.h at gmail.com>
> Signed-off-by: Pavel Pisa<pisa at cmp.felk.cvut.cz>

Joel Sherrill, Ph.D.             Director of Research&   Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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